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Custom Entrance Room Door Locks

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Entrance Room Door Locks Factory

Door locks are used to lock doors to prevent others from opening the door. There are many types of door locks, and the requirements for door locks are different on different occasions. Ordinary families generally use anti-theft door locks, which are highly secure and relatively cheap. Door locks are divided into mechanical locks and electronic smart locks. Mechanical locks are further divided into split locks and conjoined locks. There are many product materials, including zinc alloy, stainless steel, copper, and aluminum alloy. In terms of style, there are three types of indoor door locks: European, Chinese, and modern simplicity. In order to match various styles of furniture, the shapes and colors of the handles are even more varied and colorful. The product is relatively safe and is often used for entrance doors and room doors. It can be used in residences, office buildings, hotels, etc. The handles that have been electroplated and electrostatically sprayed are wear-resistant and corrosion-resistant.

Type Split lock, siamese lock, electronic smart lock
Material Zinc alloy, stainless steel, copper
Color Elegant black, gun gray, brushed copper, yellow antique, green antique, black and red antique, bright chrome, coffee antique, French bronze, PVD gold, mocha gold, bronze black, European gold, 24K real gold, rose gold, elegant white, brushed gold, antique
Lock body hole 72mm-55mm, 72mm-50mm, 58mm-45mm, 50mm-45mm
Lock head 70mm、80mm
Material of lock Aluminum shell zinc core, aluminum shell copper core, zinc shell copper core, all copper
Key blade All copper, iron


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If you have other needs and support customization, please contact us.

  • Basic functions of door locks

    The door lock is a device used to lock the door to prevent others from opening the door.

  • The difference between mechanical locks and electronic smart locks

    There are some differences between mechanical locks and electronic smart locks in terms of functions, usage, and features. Let me explain it to you in detail:

    Mechanical locks:

    Drive mode: Unlocking and locking are achieved through physical-mechanical structures, which usually require manual operation.

    No power supply required: It does not rely on electricity, so no battery or power supply is required.

    Applicable scenarios: It is suitable for some specific scenarios, such as warehouse doors, underground mechanisms, etc., as well as environments that do not require electronic products.

    Safety: Security mainly depends on its structure and materials, but it does not have the advanced functions of electronic locks.

    Electronic smart locks:

    Drive mode: The lock tongue is recovered by the motor, and a variety of unlocking methods can be used, such as face recognition, fingerprint, temporary password, and mobile phone remote unlocking.

    Convenience: It is more convenient, and can be unlocked remotely, locked at a fixed time, etc., which is suitable for scenes such as home and office.

    Safety: It has active defense functions, such as smart cat eyes, remote alarms, etc., which improve security.

    Password reset: Reset is relatively simple, but it may not be applicable for situations with more family members.

  • How to install

    1. Split lock
    (1) Open the lock body hole and the connecting pipe through hole on the door leaf, and open the buckle plate buckle box hole on the door frame.
    (2) Install the lock body into the door leaf and fix it with the lock body screws; embed the plastic buckle box and stainless steel buckle plate into the door frame in turn and fix them with the lock body screws.
    (3) Fix the connecting pipe to the lining with the matching short screws, and fix the four linings to the door leaf with the matching connecting pipe long screws. (Or fix them to the door leaf with small self-tapping screws)
    (4) Insert the square bar into a handle ring, align the groove of the square bar with the handle top screw hole, and fix one side of the square bar to the handle with the handle top screw.
    (5) Insert the handle ring with the fixed square bar into the square center hole of the lock body, cover the lining, insert the other side of the handle ring into the other end of the square bar, cover the lining, tighten the handle top screw, and tighten the handle ring neck screw.
    (6) Cover the two lower liners with two gourd hole rings, pass the lock core through the gourd ring, lock body, and gourd ring from the room in turn, and fix the lock core screws and tighten the two gourd ring neck wires. (Make sure the two are linked and there is no gap)

    2. One-piece lock

    (1) Install this after the door and door frame have been painted and dried

    (2) Drill holes in the door according to the product size

    (3) Adjust the direction of the lock body tongue according to the door opening direction, and install the lock body on the door

    (4) Insert the handle into the panel, adjust the matching gap, determine the direction of the handle rotation according to the door opening direction, install the inner and outer panels on the door, and tighten them with the panel connection screws (M4X40).

    (5) Install the lock head and tighten it with the lock head screws (M5X50).

    (6) Drill holes in the door frame according to the height of the lock body, and install the lock box and lock plate.

    (7) Do not use any corrosive solvents for cleaning. It is advisable to gently wipe with a dry or wet soft cloth to maintain a permanent gloss.

    3. Electronic smart lock
    (1) Connect the lock body hooks to the top and bottom rods on the stainless steel door, and then fix the lock body to the door panel with screws.
    (2) First screw the two fixing columns to the front panel, connect the power cord, insert the square shaft, and pass the fixing screws through the positioning spring to lock the front panel, align the screws and tighten the rear panel fixing block.
    (3) Connect the rear panel, insert the square shaft and fix the rear panel with the fixing screws, tighten the fixing screws, and cover the battery cover.
    (4) Install the door strike box on the door frame, install the door strike plate, fix it with screws, and finally check whether the lock body moves smoothly. For wooden doors, use the special door strike plate for wooden doors and fix it with self-tapping screws. For stainless steel doors, use the special door strike plate for stainless steel doors and fix it with metric screws.

About Us

Hangzhou Hengli Metal Products Co., Ltd is China Custom Entrance Door Locks Suppliers and Room Door Locks Factory. After more than 20 years of hard work, Hengli Hardware has become a pioneer in the industry. Many products produced by the company have gradually become popular among the public, such as cabinet shakers, bathroom shakers, etc. This shows that Hengli metal products have wide recognition and influence in the market. Regarding product quality and innovation, Hengli Metal has always adhered to the tenet of "quality, service, and credibility". While focusing on product quality and technology, Hengli also continues to maintain its corporate innovation vitality, create value for customers, and drive industry development. This shows that Hengli has performance in product quality and innovation and can promote the development direction of the industry. Product design and style remain unchanged. Product design is refined, performance is optimized, and quality is guaranteed. Hengli has launched in-depth cooperation with a number of well-known customized furniture brands, such as OrangeBox, Viccarbe, Spain, AndreuWorld, Denmark Bolia, Italy laVicidina, Finland Taiga, Abstracta, Sweden, Turnstone,m.a.d, Japan Okamura and other brands. The recognition and market influence of these brands have been widely recognized. This shows that Hengli's products and services have been widely recognized by the market and become a pioneer in the industry. We offer OEM/ODM Door Locks.

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Door Lock Industry knowledge

Smart door locks: security and technological innovation go hand in hand, isn’t this the future of smart homes?

In the wave of smart home, smart door locks, as the first line of defense for home security, are leading the industry's transformation with their excellent security and continuous technological innovation. With the continuous advancement of technology, smart door locks are not only more beautiful in appearance, but also have achieved a qualitative leap in function and security, providing users with a more convenient and safe life experience.
The security of smart door locks is one of its core competitiveness. Compared with traditional mechanical locks, smart door locks have built a more rigorous security protection system by integrating a variety of advanced technologies and mechanisms.
Biometric technology is a highlight of smart door locks. Biometric technologies such as fingerprint recognition and facial recognition use the unique biological characteristics of the human body for identity authentication, with extremely high accuracy and difficulty to replicate. These technologies not only improve the efficiency of unlocking, but also greatly enhance the security of door locks. Fingerprint recognition confirms identity by identifying the subtle features of the user's fingerprint, while facial recognition uses advanced image processing technology and deep learning algorithms to accurately identify the user's facial features even under complex light and angles, effectively preventing illegal intrusion.
Encrypted communication technology is also an important guarantee for the security of smart door locks. Smart door locks usually use encrypted communication technology to ensure the security of data transmission. Whether it is connected to a mobile phone APP or smart home system through Bluetooth, Wi-Fi or other wireless methods, smart door locks can ensure the encrypted transmission of user information and instructions to prevent malicious interception or tampering.
Multiple security protection mechanisms are also an indispensable part of smart door locks. Smart door locks have built-in anti-pry alarms, anti-trial locks, abnormal door opening alarms and other security protection mechanisms. Once an illegal intrusion or abnormal operation is detected, the smart door lock will immediately trigger an alarm and notify the user, and record the relevant events for subsequent verification. These mechanisms not only improve the security of the door lock, but also provide users with timely security protection.
Technological innovation of smart door locks is an important driving force for its continuous development. With the continuous development of technologies such as artificial intelligence, the Internet of Things, and big data, smart door locks have made significant progress in functions, performance, and user experience.
Intelligent management is one of the important directions of technological innovation of smart door locks. By connecting to the Internet and smart home systems, smart door locks achieve remote control and intelligent management. Users can check the status of their home doors, receive abnormal alarms, and remotely control door lock switches anytime and anywhere through mobile phone APPs. This intelligent management method not only improves the convenience of users, but also enhances the security protection capabilities of the family.
Personalized customization is also an important manifestation of the technological innovation of smart door locks. With the diversification of consumer demand, the smart door lock market has also paid more and more attention to personalized customization. Manufacturers can provide smart door lock products of different colors, materials, and functions according to the actual needs of users. At the same time, users can also customize the door lock's password, fingerprint, facial recognition and other verification methods through the mobile phone APP to achieve personalized security protection.
Smart door locks have occupied an important position in the field of smart homes with their excellent security and continuous technological innovation. With the continuous development of science and technology and the continuous expansion of the market, smart door locks will play an important role in more fields and bring more convenience and security to people's lives.