CN217538259U

CN217538259U - Waterproof safety lock for engineering trailer door

Info

Publication number: CN217538259U
Application number: CN202221194431.2U
Authority: CN
Inventors: 张宁华; 贺小军
Original assignee: Dongguan Huahong Metal Products Co ltd
Current assignee: Dongguan Huahong Metal Products Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-04
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a waterproof safety lock for engineering trailer doors, which comprises a handle, a first mounting seat, a second mounting seat, a lock core and a catch, wherein one end of the handle is pivoted with the first mounting seat; a first sealing ring is arranged between the handle and the first mounting seat; the second mounting seat is provided with a first mounting hole and a second mounting hole, the lock cylinder is arranged in the first mounting hole, and the output end of the lock cylinder is connected with the blocking piece; a locking plate is arranged at the other end of the handle and can be inserted into or withdrawn from the second mounting hole, and second sealing rings are arranged between the handle and the second mounting seat; one side of the locking plate, which is close to the lock cylinder, is provided with an opening, and the blocking piece is inserted into the second mounting hole and can be clamped with the opening. The utility model discloses engineering trailer door is with lock body and the lock core disconnect-type design of waterproof security lock for the equipment is simple, and it is convenient to change the lock core, and is waterproof dustproof.

Description

Waterproof safety lock for engineering trailer door

Technical Field

The utility model relates to a trailer lock especially relates to a lock body and lock core disconnect-type design for the equipment is simple, and it is convenient to change the lock core, and waterproof dirt-proof engineering trailer door is with waterproof security lock.

Background

The lock body and the lock core of the existing trailer lock are generally made into a whole, namely the lock core is arranged on the lock body, the design ensures that the lock core and the lock body are not convenient to assemble, parts cannot be replaced independently or the lock core cannot be replaced independently after the lock core is damaged, the maintenance is inconvenient, and the use cost is high. Moreover, the existing trailer lock cannot be waterproof, dustproof and shockproof, after the trailer lock is used for a period of time, moisture and dust are easy to intrude into the lock body, so that the interior of the lock body is easy to rust, a handle of the trailer lock can generate frictional noise when being pulled open, the trailer lock is unsmooth to use, and the service life is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lock body and lock core disconnect-type design for the equipment is simple, and it is convenient to change the lock core, and waterproof dirt-proof engineering trailer door is with waterproof safety protection lock.

In order to achieve the purpose, the waterproof security lock for the engineering trailer door comprises a handle, a first mounting seat, a second mounting seat, a lock cylinder and a blocking piece, wherein one end of the handle is pivoted with the first mounting seat; a first sealing ring is arranged between the handle and the first mounting seat; the second mounting seat is provided with a first mounting hole and a second mounting hole, the lock cylinder is arranged in the first mounting hole, and the output end of the lock cylinder is connected with the blocking piece; a locking plate is arranged at the other end of the handle and can be inserted into or withdrawn from the second mounting hole, and second sealing rings are arranged between the handle and the second mounting seat; one side of the locking plate, which is close to the lock cylinder, is provided with an opening, and the blocking piece is inserted into the second mounting hole and can be clamped with the opening.

Compared with the prior art, because the utility model discloses a will the first mount pad of one end pin joint of handle sets up a second mount pad again set up first mounting hole and second mounting hole on the second mount pad, install the lock core in first mounting hole, and the second mounting hole then supplies the locking plate of the other end of handle is pegged graft, utilize the lock core with block and separation between the locking plate make the lock core is right the handle realizes locking or releases the lock, consequently, the handle with be the disconnect-type installation between the lock core, mutual independence between the two, each other does not influence. Therefore, the assembly can be independently carried out during assembly, and the assembly is simple and convenient. In addition, either one of the two can not influence the other after being damaged, and can be independently replaced, so that the maintenance is very convenient, the whole trailer lock is prevented from being replaced due to the damage of any part, and the use cost is low. In addition, through setting up first sealing washer and second sealing washer, both can make the handle with certain buffering has between first mount pad and the second mount pad, reduces the friction between the two to reduce the noise that produces because of relative motion, the handle rotates and plays more smoothly, can make again first mount pad and second mount pad are enclosed state with the outside, thereby play waterproof and dirt-proof effect, avoid rustting and dust invade in the lock body, it is more smooth and easy to use, effective increase of service life.

Preferably, one end of the handle is fixedly provided with a pivot joint, and the pivot joint is pivoted to the first mounting seat through a pivot shaft.

Specifically, first sealing washer set up in the pin joint head with between the inner wall of first mount pad preferred, the other end of handle is equipped with the connector, the locking plate set up in the connector.

Specifically, the second sealing ring is arranged between the connector and the inner wall of the second mounting hole.

Preferably, the second mounting seat includes a lock case, a back plate and a nut, the back plate is disposed between the lock case and the nut, and the nut is fixed to the lock case by a threaded connection. Therefore, the second mounting seat can be conveniently and quickly assembled or disassembled, and the lock cylinder can be conveniently maintained or replaced.

Preferably, the lock core is connected with the baffle through a connecting piece.

Specifically, the end of connecting piece is equipped with the screw and takes the tooth gasket, the screw with connecting piece threaded connection and will the separation blade support to press in the connecting piece, take the tooth gasket set up in the screw head of screw with between the separation blade. Therefore, the screw and the connecting piece can be connected more stably and firmly, and the use reliability is improved.

Specifically, one end of the connecting piece is of a cylindrical structure, a square connecting hole is formed in the end face of the connecting piece, and the output end of the lock cylinder is inserted into the connecting hole and is circumferentially positioned relative to the connecting piece; the other end of the connecting piece is of a square column structure, a square hole is formed in the middle of the separation blade, and the square column penetrates through the square hole.

Drawings

Fig. 1 is the utility model discloses engineering trailer is stereogram of waterproof security lock for door.

Fig. 2 is the utility model discloses engineering trailer is exploded view of safety and water proof lock for door.

Fig. 3 is the cross-sectional view of the utility model discloses engineering trailer door is with locking of waterproof security lock.

Fig. 4 is the cross-sectional view of the utility model discloses engineering trailer door is with the unblock of waterproof security lock.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

As shown in fig. 1 to 3, the waterproof security lock 100 for engineering trailer doors of the present invention comprises a handle 1, a first mounting seat 2, a second mounting seat 3, a lock cylinder 4 and a blocking piece 5, wherein one end of the handle 1 is pivotally connected to the first mounting seat 2; the second mounting seat 3 is provided with a first mounting hole 3a and a second mounting hole 3b, the lock cylinder 4 is arranged in the first mounting hole 3a, and the output end of the lock cylinder is connected with the baffle 5; the other end of handle 1 is equipped with locking plate 11 and can insert or withdraw from second mounting hole 3b, locking plate 11 is close to one side of lock core 4 is equipped with opening 111, separation blade 5 is in locking plate 11 inserts can during second mounting hole 3b with the opening 111 block.

Referring to fig. 2 and 3, a pivot joint 12 is fixedly disposed at one end of the handle 1, and the pivot joint 12 is pivotally connected to the first mounting base 2 through a pivot shaft 14. A first sealing ring 15 is arranged between the pivot joint 12 and the inner wall of the first mounting seat 2. Through setting up first sealing washer 15, both can make pin joint head 12 with certain buffering has between the first mount pad 2, reduces friction between the two to reduce the noise that produces because of relative motion, handle 1 rotates more smoothly, can make again 2 inside and outside of first mount pad are the encapsulated situation, thereby play waterproof and dirt-proof effect, avoid rustting and the dust invades in the lock, use more smoothly, effective increase of service life.

Referring to fig. 2 and 3, a connector 13 is disposed at the other end of the handle 1, and the locking plate 11 is disposed on the connector 13. A second sealing ring 16 is arranged between the connector 13 and the inner wall of the second mounting hole 3 b. Through setting up second sealing washer 16, both can reduce connector 13 with friction between the second mounting hole 3b reduces the noise, makes handle 1 plug more smooth, can make again when handle 1 locking state second mounting hole 3b is waterproof and dirt-proof effect, and it is more smooth and easy to use, effective increase of service life.

As shown in fig. 2 and 3, the second mounting seat 3 includes a lock housing 31, a back plate 32 and a nut 33, the back plate 32 is disposed between the lock housing 31 and the nut 33, and the nut 33 is fixed to the lock housing 31 by a screw. Therefore, the second mounting seat 3 can be conveniently and quickly assembled or disassembled, and the lock cylinder 4 can be conveniently repaired or replaced.

As shown in fig. 2 and 3, the lock cylinder 4 and the blocking piece 5 are connected by a connecting member 6. Specifically, the tail end of the connecting piece 6 is provided with a screw 7 and a toothed gasket 8, the screw 7 is in threaded connection with the connecting piece 6 and presses the blocking piece 5 against the connecting piece 6, and the toothed gasket 8 is arranged between the head of the screw 7 and the blocking piece 5. Therefore, the screw 7 and the connecting piece 6 can be connected more stably and firmly, and the use reliability is improved. Specifically, one end of the connecting piece 6 is of a cylindrical structure, a square connecting hole is formed in the end face of the connecting piece, and the output end of the lock cylinder 4 is inserted into the connecting hole and is circumferentially positioned relative to the connecting piece 6; the other end of the connecting piece 6 is of a square column structure, a square hole is formed in the middle of the separation blade 5, and the square column penetrates through the square hole.

In combination with the above description and fig. 3 and 4, when unlocking, the key is first inserted into the lock cylinder 4, the key is turned to drive the lock cylinder 4 to drive the connecting member 6 to rotate, the connecting member 6 drives the blocking piece 5 to rotate, the blocking piece 5 is separated from the opening 111 of the lock plate 11, and at this time, the handle 1 is unlocked relative to the second mounting seat 3. At this moment, the pulling handle 1, the tip of handle 1 reaches locking plate 11 leaves second mounting hole 3b locking plate 11 drives can drive set up in the driving plate of backplate 32, the driving plate passes through the other slide lock of steel wire pulling. When locking, the handle 1 drives the locking plate 11 to be inserted into the second mounting hole 3b, at this time, the key is twisted to rotate the lock cylinder 4, the lock cylinder 4 drives the blocking piece 5 to be driven through the connecting piece 6, and the blocking piece 5 is clamped with the opening 111. At this time, the lock cylinder 4 can lock the lock plate 11, and the handle 1 can be fixed relative to the second mounting seat 3.

Compared with the prior art, because the utility model discloses a will the first mount pad 2 of one end pin joint of handle 1 sets up a second mount pad 3 again set up first mounting hole 3a and second mounting hole 3b on the second mount pad 3, install lock core 4 in first mounting hole 3a, and second mounting hole 3b then supplies the locking plate 11 of the other end of handle 1 is pegged graft, utilize lock core 4 with block and separation between the locking plate 11 make lock core 4 is right handle 1 realizes locking or releases the lock, consequently, handle 1 with be the disconnect-type installation between the lock core 4, mutual independence between the two, each other does not influence. Therefore, the assembly can be independently carried out during assembly, and the assembly is simple and convenient. In addition, either one of the two can not influence the other after being damaged, and can be independently replaced, so that the maintenance is very convenient, the whole trailer lock is prevented from being replaced due to the damage of any part, and the use cost is low.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims

1. The utility model provides an engineering trailer door is with waterproof ann's lock which characterized in that: the lock comprises a handle, a first mounting seat, a second mounting seat, a lock cylinder and a baffle, wherein one end of the handle is pivoted with the first mounting seat; a first sealing ring is arranged between the handle and the first mounting seat; the second mounting seat is provided with a first mounting hole and a second mounting hole, the lock cylinder is arranged in the first mounting hole, and the output end of the lock cylinder is connected with the blocking piece; a locking plate is arranged at the other end of the handle and can be inserted into or withdrawn from the second mounting hole, and second sealing rings are arranged between the handle and the second mounting seat; one side of the locking plate, which is close to the lock cylinder, is provided with an opening, and the blocking piece is inserted into the second mounting hole and can be clamped with the opening.

2. The waterproof security lock for the engineering trailer door as claimed in claim 1, wherein: one end of the handle is fixedly provided with a pivoting head which is pivoted to the first mounting seat through a pivoting shaft.

3. The waterproof security lock for engineering trailer doors as claimed in claim 2, wherein: the first sealing ring is arranged between the pivot joint and the inner wall of the first mounting seat.

4. The waterproof security lock for the engineering trailer door as claimed in claim 1, wherein: the other end of handle is equipped with the connector, the locking plate set up in the connector.

5. The waterproof security lock for engineering trailer doors as claimed in claim 4, wherein: the second sealing ring is arranged between the connector and the inner wall of the second mounting hole.

6. The waterproof security lock for the engineering trailer door as claimed in claim 1, wherein: the second mounting base comprises a lock shell, a back plate and a nut, the back plate is arranged between the lock shell and the nut, and the nut is fixedly connected with the lock shell through threads.

7. The waterproof security lock for the engineering trailer door as claimed in claim 1, wherein: the lock core is connected with the blocking piece through a connecting piece.

8. The waterproof security lock for engineering trailer doors as claimed in claim 7, wherein: the end of connecting piece is equipped with the screw and takes the tooth gasket, the screw with connecting piece threaded connection just will the separation blade support press in the connecting piece, take the tooth gasket set up in the screw head of screw with between the separation blade.

9. The waterproof security lock for engineering trailer doors according to claim 8, characterized in that: one end of the connecting piece is of a cylindrical structure, a square connecting hole is formed in the end face of the connecting piece, and the output end of the lock cylinder is inserted into the connecting hole and is circumferentially positioned relative to the connecting piece; the other end of the connecting piece is of a square column structure, a square hole is formed in the middle of the separation blade, and the square column penetrates through the square hole.