Simple double-sided nylon lock

Abstract

The utility model discloses a simple two -sided nylon lock, its characterized in that: two -sided lock body including installing one side of door through press and open lock and open door's lock body no.

Description

Technical Field

[0001] This utility model relates to the field of lock technology, specifically a simple double-sided nylon lock. Background Technology

[0002] Traditional locks require additional pushing or pulling force to unlock, making operation cumbersome and inconvenient. Furthermore, some locks only support one-sided unlocking, requiring users to go to the other side of the door in certain situations, which is extremely inconvenient. Additionally, existing locks have complex structures and numerous parts, increasing production costs, making them prone to malfunctions and difficult to repair. They also tend to automatically lock when accidentally touched, creating instability. Therefore, a simplified double-sided nylon lock is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a simple double-sided nylon lock to solve the above problems.

[0004] To achieve the above objectives, the following technical solution is provided: a simple double-sided nylon lock, comprising a double-sided lock body installed on a door and a lever installed on a door frame that cooperates with the double-sided lock body, characterized in that: the double-sided lock body comprises a lock body one installed on one side of the door for unlocking and opening by pressing, a lock body two installed on the other side of the door for unlocking and opening by pulling, and a connecting rod that passes through the door, connecting one end to the lock body one and the other end to the lock body two; both the lock body one and the lock body two are provided with a detachable mounting base connected to the door, a lock cylinder seat movably connected to the lock body one and the lock body two, a lock cylinder connected to the lock cylinder seat, a transmission rod connected at one end to the lock cylinder and the other end to the connecting rod, and a spring sleeved on the transmission rod for the lock cylinder seat to move.

[0005] Preferably, the lock body further includes a lock housing connected to the mounting base, a sliding groove provided on the lock housing, a fixed slider that passes through the transmission rod and is connected to the lock cylinder seat and is also slidably connected to the sliding groove, and a cover plate connected to the lock housing and connected to the other end of the spring for the transmission rod to pass through; the lock housing is provided with a mounting post for fixing the cover plate.

[0006] Preferably, the second lock body includes a second lock shell connected to the mounting base, a slot on the second lock shell, a latch connected to the slot, a drive plate installed inside the second lock shell and passing through the transmission rod to connect to the lock cylinder seat and capable of driving the latch to move via a compression spring, a baffle on the second lock shell that passes through the lock cylinder and connects to one end of the spring and the other end to the lock cylinder seat, a retaining spring connected to the transmission rod and located above the drive plate, and a limiting ring connected to the transmission rod and located below the drive plate for limiting the rotation of the lock hook.

[0007] Preferably, the limiting ring is provided with a limiting groove along the circumferential direction to limit the rotation of the locking hook.

[0008] Preferably, the latch includes a concave block adapted to the slot, a rotating shaft disposed on the concave block, and a locking hook disposed on the rotating shaft.

[0009] Preferably, one end of the locking hook is provided with a limiting rod.

[0010] Preferably, one end of the transmission rod is provided with a groove that matches the lock cylinder, and the other end is provided with a groove that matches the connecting rod.

[0011] Preferably, the lock housing 1 and lock housing 2 are provided with guide grooves for connecting to the mounting base and mounting holes for fixing to the mounting base.

[0012] Preferably, the actuating element is provided with a fixed seat connected to the door frame and a locking rod connected to the lock hook.

[0013] Preferably, the mounting base and the fixing base are also provided with a number of mounting holes for connecting with the door and lock housing 1 and lock housing 2.

[0014] The beneficial effects of this utility model are as follows: By setting up lock body one and lock body two, different unlocking and opening methods are realized on both sides of the door, that is, pressing to unlock on one side and pulling to unlock on the other side, which greatly improves the convenience of use. At the same time, the door can be opened directly by pulling or pressing, using the same force to achieve unlocking and opening, which is simple to operate; by setting up a connecting rod, one end of the connecting rod is connected to lock body one and the other end is connected to lock body two, a bridge is built between the lock bodies on both sides of the door. When pressing to unlock from the side where lock body one is installed or pulling to unlock from the side where lock body two is installed, the connecting rod can accurately and timely transmit power between the two lock bodies, so that the lock body The lock body 1 and lock body 2 operate synchronously, enabling the door to be unlocked and opened from both sides. This dual-sided linkage design breaks the limitations of traditional single-sided door lock operation, meeting the needs of convenient entry and exit from both sides of the door in different scenarios and greatly improving user convenience. At the same time, it simplifies the transmission structure of the dual-sided lock body, facilitates door lock installation, reduces structural complexity and cost, facilitates maintenance, and improves the product's economy and applicability. The mounting base facilitates the connection of lock body 1 and lock body 2 to the door. The mounting base can be connected to the door first, or it can be connected to either lock body 1 or lock body 2 first and then to the door.

[0015] The snap ring is used to fix the installation position of the transmission rod, which is then fixed to the drive plate. The drive plate connects to the lock cylinder seat through the transmission rod. During unlocking, it accurately receives the power transmitted from the lock cylinder seat via the transmission rod. Whether the lock cylinder seat is pressed from one side of the lock body or pulled from the other side, the drive plate efficiently and stably transmits this power to the lock hook, pushing it to unlock from both sides of the door. This efficient power transmission mechanism ensures smooth operation of the double-sided lock body, allowing users to easily unlock from either side of the door, greatly improving convenience. A limiting groove is set on the limiting ring, and a limiting rod is set on the lock hook. Rotating the lock cylinder causes the transmission rod and limiting ring to rotate. Once the limiting rod enters the limiting groove, the lock body cannot be unlocked by pulling or pressing, ensuring security. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the lock body structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the lock body of this utility model from another perspective.

[0019] Figure 4 This is a process diagram of assembling the lock body of this utility model;

[0020] Figure 5 This is a process diagram of assembling the lock body of this utility model;

[0021] Figure 6 This is a schematic diagram of the lock body structure of this utility model;

[0022] Figure 7 This is a schematic diagram of the lock body of this utility model from another perspective;

[0023] Figure 8 This is a diagram illustrating the assembly process of the lock body of this utility model.

[0024] Figure 9 This is a schematic diagram of the second structure of the lock shell of this utility model;

[0025] Figure 10 This is a process diagram of assembling the lock body of this utility model.

[0026] Figure 11 This is a schematic diagram of the drive board structure of this utility model;

[0027] Figure 12 This is a schematic diagram of the drive board structure from another perspective of this utility model;

[0028] Figure 13 This is a schematic diagram of the locking structure of this utility model;

[0029] Figure 14 This is a schematic diagram of the mounting base structure of this utility model.

[0030] Legend: 1. Double-sided lock body; 11. Lock body one; 111. Lock shell one; 1111. Mounting post; 112. Slide groove; 113. Fixed slider; 114. Cover plate; 12. Lock body two; 121. Lock shell two; 1211. Slot; 122. Lock buckle; 1221. Concave block; 1222. Rotating shaft; 1223. Lock hook; 1224. Limiting rod; 123. Drive plate; 124. Baffle; 125. Snap ring; 126. Limiting ring; 1261. Limiting groove; 13. Connecting rod; 14. Mounting seat; 15. Lock cylinder seat; 16. Lock cylinder; 17. Transmission rod; 171. Slot one; 172. Slot two; 18. Spring; 19. Guide groove; 20. Mounting hole; 2. Actuating element; 21. Fixed seat; 22. Lock rod. Detailed Implementation

[0031] The following description, in conjunction with the accompanying drawings, further illustrates a simple double-sided nylon lock according to this utility model.

[0032] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indication will also change accordingly.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Participation Figure 1-14As shown, this embodiment of a simple double-sided nylon lock includes a double-sided lock body 1 installed on a door and an actuating element 2 installed on the door frame and cooperating with the double-sided lock body 1. The double-sided lock body 1 includes a lock body 11 installed on one side of the door for unlocking and opening by pressing, a lock body 12 installed on the other side of the door for unlocking and opening by pulling, and a connecting rod 13 that passes through the door, connecting one end to the lock body 11 and the other end to the lock body 12; both the lock body 11 and the lock body 12 are provided with a detachable mounting bracket for connection to the door. The lock cylinder seat 15 is movably connected to lock body 11 and lock body 2 12; the lock cylinder 16 is connected to the lock cylinder seat 15; the transmission rod 17 is connected to the lock cylinder 16 at one end and to the connecting rod 13 at the other end; and the spring 18 is sleeved on the transmission rod 17 to allow the lock cylinder seat 15 to move. Through the arrangement of lock body 11 and lock body 2 12, different unlocking and opening methods are achieved on both sides of the door, i.e., pressing one side to unlock and pulling the other side to unlock, greatly improving the convenience of use. At the same time, the door can be opened directly after unlocking by pulling or pressing. Using the same force, both locking and unlocking are achieved, making operation simple. Through the linkage 13, one end connects to lock body 11 and the other end connects to lock body 12, creating a bridge between the lock bodies on both sides of the door. When pressing to unlock from the side where lock body 11 is installed or pulling to unlock from the side where lock body 12 is installed, the linkage 13 accurately and promptly transmits power between the two lock bodies, causing lock body 11 and lock body 12 to move synchronously. This allows for locking and unlocking from both sides of the door. This double-sided linkage design breaks with traditional door... The limitation of single-sided operation of the lock meets the needs of convenient entry and exit from both sides of the door in different scenarios, greatly improving the convenience of use for users; at the same time, it simplifies the transmission structure of the double-sided lock body 1, facilitates the installation of the door lock, reduces the complexity and cost of the structure, facilitates maintenance, and improves the economy and applicability of the product; the setting of the mounting base 14 facilitates the connection of lock body 11 and lock body 2 12 to the door. The mounting base 14 can be connected to the door first, or the mounting base 14 can be connected to lock body 11 or lock body 2 12 first and then connected to the door.

[0035] In one embodiment, the lock body 11 further includes a lock shell 111 connected to the mounting base 14, a slide groove 112 disposed on the lock shell 111, a fixed slider 113 passing through the transmission rod 17 and connected to the lock cylinder seat 15 and also slidably connected to the slide groove 112, and a cover plate 114 connected to the lock shell 111 and connected to the other end of the spring 18 for the transmission rod 17 to pass through; the lock shell 111 is provided with a mounting post 1111 for fixing the cover plate 114; one end of the spring 18 is connected to the fixed slider 113 and sleeved on the transmission rod 17 on the fixed slider 113, and the other end is connected to the cover plate 114. When pressure is applied to the lock cylinder seat 15 on the lock body 11, the lock cylinder seat 15, along with the lock cylinder 16 and the fixed slider 113, pushes the transmission rod 17 along the slide groove 112, the fixed slider 113 squeezes the spring 18 towards the cover plate 114, and the transmission rod 17 drives the connecting rod 13 to move towards the lock body 12.

[0036] In one embodiment, the lock body 2 12 includes a lock shell 2 121 connected to the mounting base 14, a slot 1211 disposed on the lock shell 2 121, a latch 122 connected to the slot 1211, a drive plate 123 installed inside the lock shell 2 121 and passing through the transmission rod 17 to connect with the lock cylinder seat 15 and being able to drive the latch 122 to move via a compression spring 18, a baffle 124 disposed on the lock shell 2 121, passing through the lock cylinder 16 and connected to one end of the spring 18 and the other end connected to the lock cylinder seat 16, a retaining spring 125 connected to the transmission rod 17 and located above the drive plate 123, and a limiting ring 126 connected to the transmission rod 17 and located below the drive plate 123 for limiting the rotation of the lock hook 1223; the limiting ring 126 has A limiting groove 1261 is provided circumferentially to restrict the rotation of the lock hook 1223; the lock buckle 122 includes a concave block 1221 adapted to the slot 1211, a rotating shaft 1222 provided on the concave block 1221, and a lock hook 1223 provided on the rotating shaft 1222; one end of the lock hook 1223 is provided with a limiting rod 1224; one end of the spring 18 is connected to the baffle 124 and sleeved on the lock cylinder 16, and the other end is sleeved on the transmission rod 17 and connected to the limiting ring 126. When the lock cylinder 16 on the second lock body 12 is rotated by the key, the lock cylinder 16 on the second lock body 12 drives the transmission rod 17 on the second lock body 12 to rotate; or when the lock cylinder 16 on the first lock body 11 is rotated by the key, the lock cylinder 16 on the first lock body 11 drives the first lock body 11 to rotate. The upper transmission rod 17 drives the connecting rod 13 to rotate. The connecting rod 13 drives the transmission rod 17 on the lock body 12 to rotate. The transmission rod 17 drives the limiting ring 126 to rotate. When the limiting groove 1261 on the limiting ring 126 separates from the limiting rod 1224 on the lock hook 1223, the lock cylinder seat 15 is pulled out. The lock cylinder seat 15, along with the lock cylinder 16 and the drive plate 123 connected to the lock cylinder seat 15, moves outward. The drive plate 123 drives the transmission rod 17 and the limiting ring 126 to compress the spring 18. When the drive plate 123 moves outward, it presses the lock hook 1223 upward and downward, causing the lock hook 1223 to rotate around the rotating shaft 1222 on the concave block 1221. When the drive plate 123 is pressed to the bottom, the lock hook 1223 rotates into the lock body 12 to unlock. The pulling force can directly pull open the unlocked door; when the key is used to turn the lock cylinder 16 on lock body 11 or lock body 2 12, the lock cylinder 16 drives the transmission rod 17 to rotate, and the transmission rod 17 drives the limiting ring 126 to rotate, so that the limiting rod 1224 on the lock hook 1223 rotates into the limiting groove 1261 on the limiting ring 126. When lock body 11 is pressed or lock body 2 12 is pulled, the drive plate 123 and the limiting ring 126 press the lock hook 1223 downward, so that the lock hook 1223, with the concave groove 1221, slides along the groove 1211 to the bottom of the groove 1211, and cannot be turned to unlock; the snap ring 125 is used to fix the installation position of the transmission rod 17; the transmission rod 17 is fixed on the drive plate 123;Through the configuration of the drive plate 123, it can be connected to the lock cylinder seat 15 via the transmission rod 17. During the unlocking process, it can accurately receive the power transmitted from the lock cylinder seat 15. Whether the lock cylinder seat 15 is pressed from the side of lock body 11 or pulled from the side of lock body 2 12, the drive plate 123 can efficiently and stably transmit this power to the lock hook 1223, pushing the lock hook 1223 to move and realize the unlocking function on both sides of the door. At the same time, this efficient power transmission The mechanism ensures smooth operation of the double-sided lock body 1, allowing users to easily unlock the door from either side, greatly improving convenience. By using a limiting groove 1261 on the limiting ring 126 and a limiting rod 1224 on the lock hook 1223, rotating the lock cylinder 16 causes the transmission rod 17 and the limiting ring 1261 to rotate. Once the limiting rod 1224 enters the limiting groove 1261, the lock body cannot be unlocked by pulling or pressing, increasing security.

[0037] In one embodiment, the transmission rod 17 has a slot 171 at one end that is adapted to the lock cylinder 16 and a slot 172 at the other end that is adapted to the connecting rod 13. The slot 171 is adapted to the transmission component on the lock cylinder 16. When the lock cylinder 16 rotates, the transmission rod 17 rotates accordingly and drives the connecting rod 13 to rotate. The slot 172 needs to be adapted to the transmission rod 17 to accurately transmit force and realize unlocking.

[0038] In one embodiment, the lock housing 111 and the lock housing 121 are provided with guide grooves 19 for connecting to the mounting base 14 and mounting holes 20 for fixing to the mounting base 14; the mounting base 14 is slidably connected to the lock housing 111 and the lock housing 121 along the guide grooves 19.

[0039] In one embodiment, the actuating member 2 is provided with a fixed seat 21 connected to the door frame and a locking rod 22 connected to the locking hook 1223; when unlocking, the locking hook 1223 separates from the locking rod 22, and when the door is locked, the locking hook 1223 hooks the locking rod 22.

[0040] In one embodiment, the mounting base 14 and the fixing base 21 are also provided with a plurality of mounting holes 20 for connecting to the door and lock housing 111 and lock housing 221; the mounting base 14 is connected to both sides of the door by screws, and the fixing base 21 is connected to the door frame by screws.

[0041] When using this utility model, to install the lock body 11, first install the lock cylinder 16 into the lock cylinder seat 15, and then install the lock cylinder seat 15 with the lock cylinder 16 installed onto the lock shell 111. Next, connect the slot 171 on the transmission rod 17 to the lock cylinder 16. The fixed slider 113 passes through the transmission rod 17 and is connected to the lock cylinder seat 15 with screws. The fixed slider 113 is also inserted into the slide groove 112 on the lock shell 111. Then, the spring 18 is sleeved on the transmission rod 17 that passes through the fixed slider 113. One end of the spring 18 is connected to the fixed slider 113. Then, the cover plate 114 is connected to the mounting post 1111 on the lock shell 111 with screws. The other end of the spring 18 presses against the cover plate 114. When the lock cylinder seat 15 is pressed, the transmission rod 17 can pass through the cover plate 114. The mounting seat 14 is connected to the lock shell 111 through the guide groove 19 on the lock shell 111. Finally, the lock shell 111 and the mounting seat 14 are fixedly connected with bolts.

[0042] To install lock body 2 12, first install lock cylinder 16 onto lock cylinder seat 15, then install lock cylinder seat 15 with lock cylinder 16 installed onto lock shell 1 111 and connect it to baffle 124. Lock cylinder 16 can pass through baffle 124. Next, insert one end of lock hook 1223 with a hole into the groove of concave block 1221. Use rotating shaft 1222 to insert into concave block 1221 to fix lock hook 1223 onto concave block 1221. Then, insert the installed lock buckle 122 into slot 1211. Finally, pass transmission rod 17 through drive plate 123 and drive... The transmission rod 17 is fixed above the plate 123 with a retaining ring 125, and the drive plate 123 is fixed to the transmission rod 17 below with a limiting ring 126. The spring 18 is then put on the lock cylinder 16 and one end is connected to the baffle 124. The drive plate 123 with the transmission rod 17 installed is then connected to the lock cylinder seat 15 with screws, and the other end of the spring 18 is put on the transmission rod 17 and connected to the limiting ring 126. The mounting base 14 is connected to the lock housing 121 through the guide groove 19 on the lock housing 121, and the lock housing 121 and the mounting base 14 are then fixedly connected by bolts.

[0043] The assembled lock body 11 is fixed to one side of the door with the mounting base 14 by bolts. Then, the connecting rod 13 is passed through the other side of the door and connected to the groove 172 of the transmission rod 17 on the lock body 11. Then, the groove 172 of the transmission rod 17 on the assembled lock body 12 is connected to the other end of the connecting rod 13. After the connection is completed, the lock body 12 is fixed to the other side of the door with bolts. The fixing base 21 of the actuating part 2 is connected to the door frame with bolts. When connecting, the lock rod 22 is vertically aligned with the position of the lock hook 1223 on the lock body 12.

[0044] When unlocking, the key is used to turn the lock cylinder 16 on lock body 2 12. The lock cylinder 16 on lock body 2 12 drives the transmission rod 17 on lock body 2 12 to rotate. Alternatively, when the key is used to turn the lock cylinder 16 on lock body 1 11, the lock cylinder 16 on lock body 1 11 drives the transmission rod 17 on lock body 1 11, which in turn drives the connecting rod 13 to rotate. The connecting rod 13 drives the transmission rod 17 on lock body 2 12 to rotate. The transmission rod 17 drives the limiting ring 126 to rotate. When the limiting groove 1261 on the limiting ring 126 separates from the limiting rod 1224 on the lock hook 1223, the lock cylinder seat 15 on lock body 1 11 can be pressed to release the lock cylinder seat 15 and the lock cylinder 16. The movable fixed slider 113 presses the spring 18 along the slide groove 112 toward the door. At the same time, the transmission rod 17 drives the connecting rod 13 to push toward the other side of the door. The connecting rod 13 pushes the transmission rod 17 on the lock body 2 12 to move. The transmission rod 17 drives the drive plate 123 to press the spring 18. The drive plate 123 moves toward the lock cylinder seat 15 of the lock body 2 12 and drives the lock cylinder seat 15 and lock cylinder 16 to move. When the drive plate 123 moves, it presses the limit rod 1224 on the lock hook 1223 to rotate around the rotating shaft 1222, turning the lock hook 1222 into the lock case 2 121 to unlock. At the same time, the pressing force can directly push open the door after unlocking.

[0045] Alternatively, the lock cylinder seat 15 on the lock body 12 can be pulled directly, causing the lock cylinder seat 15 to drive the drive plate 123 to move. The drive plate 123 drives the transmission rod 17 and the limiting ring 126 to compress the spring 18. When the drive plate 123 moves outward, it presses the limiting rod 1224 on the lock hook 1223 to rotate around the rotating shaft 1222, turning the lock hook 1223 into the lock shell 121 to unlock. At the same time, the pulling force can directly pull open the door after unlocking. The transmission rod 17, lock cylinder seat 15, and lock cylinder 16 on the lock body 11 move synchronously with the lock body 12 through the transmission of the connecting rod 13.

[0046] When the key is used to turn the lock cylinder 16 on lock body 11 or lock body 2 12, the lock cylinder 16 drives the transmission rod 17 to rotate. The transmission rod 17 drives the limiting ring 126 to rotate, causing the limiting rod 1224 on the lock hook 1223 to rotate into the limiting groove 1261 on the limiting ring 126. When the lock body 11 is pressed or the lock body 2 12 is pulled, the drive plate 123 and the limiting ring 126 press the lock hook 1223 downward, causing the lock hook 1223 to slide along the groove 1211 with the concave groove 1221 to the bottom of the groove 1211, making it impossible to rotate the lock hook 1223 to unlock; this increases the security of the lock body.

[0047] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A simple double-sided nylon lock, comprising a double-sided lock body (1) mounted on a door and a knob (2) mounted on a door frame and cooperating with the double-sided lock body (1), characterized in that: The double-sided lock body (1) includes a lock body one (11) installed on one side of the door for unlocking and opening by pressing, a lock body two (12) installed on the other side of the door for unlocking and opening by pulling, and a connecting rod (13) that passes through the door and is connected to the lock body one (11) at one end and to the lock body two (12) at the other end; the lock body one (11) and the lock body two (12) are each provided with a mounting base (14) that is connected to the door and is detachable, a lock cylinder seat (15) that is movably connected to the lock body one (11) and the lock body two (12), a lock cylinder (16) that is connected to the lock cylinder seat (15), a transmission rod (17) that is connected to the lock cylinder (16) at one end and to the connecting rod (13) at the other end, and a spring (18) that is sleeved on the transmission rod (17) and allows the lock cylinder seat (15) to move.

2. The simple double-faced nylon lock according to claim 1, characterized in that: The lock body (11) further includes a lock shell (111) connected to the mounting base (14), a slide groove (112) provided on the lock shell (111), a fixed slider (113) that passes through the transmission rod (17) and is connected to the lock cylinder seat (15) and is also slidably connected to the slide groove (112), and a cover plate (114) connected to the lock shell (111) and connected to the other end of the spring (18) for the transmission rod (17) to pass through; the lock shell (111) is provided with a mounting post (1111) for fixing the cover plate (114).

3. The simple double-faced nylon lock according to claim 2, characterized in that: The lock body 2 (12) includes a lock shell 2 (121) connected to the mounting base (14), a slot (1211) provided on the lock shell 2 (121), a latch (122) connected to the slot (1211), a drive plate (123) installed inside the lock shell 2 (121) and passing through the transmission rod (17) to connect with the lock cylinder seat (15) and can drive the latch (122) to move by the compression spring (18), a baffle (124) provided on the lock shell 2 (121) that can pass through the lock cylinder (16) and connect to one end of the spring (18) and the other end to the lock cylinder seat (15), a retaining ring (125) connected to the transmission rod (17) and located above the drive plate (123), and a limiting ring (126) connected to the transmission rod (17) and located below the drive plate (123) for limiting the rotation of the lock hook (1223).

4. The simple double-faced nylon lock according to claim 3, wherein: The limiting ring (126) is provided with a limiting groove (1261) along the circumferential direction to limit the rotation of the locking hook (1223).

5. The simple double-faced nylon lock according to claim 3, wherein: The latch (122) includes a concave block (1221) adapted to the slot (1211), a pivot (1222) disposed on the concave block (1221), and a locking hook (1223) disposed on the pivot (1222).

6. The simple double-faced nylon lock according to claim 5, wherein: The locking hook (1223) is provided with a limiting rod (1224) at one end.

7. A simplified double-sided nylon lock according to claim 1, characterized in that: The transmission rod (17) has a groove 1 (171) at one end that is adapted to the lock core (16) and a groove 2 (172) at the other end that is adapted to the connecting rod (13).

8. The simple double-faced nylon lock according to claim 3, wherein: The lock housing 1 (111) and lock housing 2 (121) are provided with guide grooves (19) for connecting to the mounting base (14) and mounting holes (20) for fixing to the mounting base (14).

9. The simple double-sided nylon lock according to claim 1, characterized in that: The said knob (2) is provided with a fixed seat (21) connected with the door frame and a lock rod (22) connected with the lock hook (1223).

10. The simple double-sided nylon lock according to claim 9, characterized in that: The said mounting seat (14) and fixed seat (21) are also provided with a plurality of mounting holes (20) connected with the door and the lock shell I (111), the lock shell II (121).

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