CN218061909U

CN218061909U - High-strength security lock for door of caravan

Info

Publication number: CN218061909U
Application number: CN202221194458.1U
Authority: CN
Inventors: 杨松桥; 张宁华
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: 2022-12-16
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a high-strength security lock for a motor home door, which comprises a body, a front turning plate, a lock core, a connecting piece, a blocking piece, a lock tongue and a rear turning plate, wherein the front turning plate is pivoted on the front side of the body; the body is internally provided with a clamping part, and the blocking piece can be clamped with or separated from the clamping part; the lock tongue is arranged on the body in a sliding and telescopic manner; the front turning plate is provided with a first pushing part, and the first pushing part is abutted against the lock tongue so as to push the lock tongue to slide; the rear turning plate is pivoted to the rear side of the body and provided with a second pushing portion, and the second pushing portion is abutted to the lock tongue to push the lock tongue to slide. The utility model discloses car as a house door high strength security lock has simple structure, stability is good, long service life's advantage.

Description

High-strength security lock for door of caravan

Technical Field

The utility model relates to a security lock especially relates to a car as a house door high strength security lock.

Background

The existing security lock for the caravan door has more types, more complex locking structure, poor stability and high cost; and through a connecting piece between lock core and the locking plate, the one end of the connecting piece is arranged into a square hole to be inserted with the square output end of the lock core, the other end of the connecting piece is arranged into a square column, the locking plate is provided with a square hole, the square column is inserted in the square hole, and the square column is just clamped with the square hole to be circumferentially positioned, so that when the lock core is rotated, the lock core can drive the connecting piece, and the connecting piece can drive the locking plate to rotate to release or lock. However, if the automobile runs on a bumpy road for a long time, the blocking piece and the square column of the connecting piece are easy to fall off under long-term vibration, so that the lock cylinder is locked and loses efficacy, and the overall strength and stability are affected. In addition, the strength of the locking plate of the existing security lock is not high, and if an overlarge pulling force is applied, the locking plate is easy to deform, so that unlocking and unlocking are influenced, and the stability of the security lock is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, good, the long service life's of stability door high strength security lock.

In order to achieve the purpose, the high-strength security lock for the car home door provided by the utility model comprises a body, a front turning plate, a lock cylinder, a connecting piece, a blocking piece, a lock tongue and a rear turning plate, wherein the front turning plate is pivoted on the front side of the body, the lock cylinder is arranged on the front turning plate and is fixedly connected with one end of the connecting piece, and the other end of the connecting piece is fixedly riveted with the blocking piece; the body is internally provided with a clamping part, and the blocking piece can be clamped with or separated from the clamping part; the lock tongue is arranged on the body in a sliding and telescopic manner; the front turning plate is provided with a first pushing part, and the first pushing part is abutted against the lock tongue so as to push the lock tongue to slide; the rear turning plate is pivoted to the rear side of the body and provided with a second pushing portion, and the second pushing portion is abutted to the lock tongue to push the lock tongue to slide.

Compared with the prior art, the utility model discloses will the lock core turns over the board before arranging in, makes the one end of connecting piece be connected with the lock core, and the other end and the separation blade of connecting piece are fixed, through set up block portion on the body, make the separation blade rotate the back along with the lock core can with block portion block or separation, after both blocks, preceding board that turns over can't drive the spring bolt unblock promptly, after both separate, preceding board that turns over can drive the spring bolt unblock promptly to realize the purpose of locking or unblock of door, its simple structure, it is convenient to lock or unblock. In addition, through will the connecting piece with separation blade riveting fixed can make be connected between separation blade and the connecting piece more firmly reliable, avoid going the in-process and take place not hard up or the condition that drops because of vibrations takes place to effectively improve the structural strength of security protection lock, improve structural stability, effective increase of service life.

Preferably, the bolt further comprises an elastic resetting piece, wherein the elastic resetting piece is arranged between the body and the bolt, so that the bolt always has a tendency of extending out of the body. Through setting up elasticity resets, can make the spring bolt can stretch out automatically the body to realize locking automatically, improve the convenience of using.

Preferably, the body includes pedestal and bottom plate, the pedestal is seted up the spring bolt slip ground groove body that supplies, the bottom plate covers in the groove body, the bottom plate with pass through screw fixed connection between the pedestal. The body is arranged into the combination of the seat body and the bottom plate, and the seat body and the bottom plate are fixedly connected by screws, so that the assembly and the maintenance are more convenient and faster.

Specifically, the body further comprises a rear cover plate, and the rear cover plate is arranged on the rear side of the seat body and fixedly connected with the seat body through screws.

Preferably, the baffle plate and the body are made of zinc alloy materials. Therefore, the strength of the separation blade is further improved, the separation blade is guaranteed not to deform, the stability of the structure is further improved, and the service life is prolonged.

Preferably, one side of the lock tongue is provided with a first accommodating groove for the first pushing part to extend out, and the other side of the lock tongue is provided with a second accommodating groove for the second pushing part to extend out. Through setting up first storage tank and second storage tank, can make first promotion portion and second promotion portion can be fast with spring bolt location and equipment to guarantee the stability of structure.

Specifically, a containing hole is formed in one end face, close to the body, of the lock tongue, and elastic reset pieces which respectively abut against the lock tongue and the body are arranged in the containing hole. Through setting up the holding hole can be right the elasticity is compound fixes a position, both can improve the convenience of equipment, can make again elasticity resets the piece and can not shift, guarantees the stability of structure.

Preferably, 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 and is connected with the separation blade through riveting.

Drawings

Fig. 1 is a front perspective view of the high-strength security lock of the caravan door.

Fig. 2 is a back perspective view of the high-strength security lock of the caravan door of the present invention.

Fig. 3 is the exploded view of the high-strength security lock of the caravan door.

Fig. 4 is a structural diagram of the lock core, the connecting piece and the catch of the high-strength security lock of the caravan door.

Fig. 5 is a structural diagram of the lock tongue of the high-strength security lock of the caravan door.

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 5, the utility model discloses a car as a house door high strength security lock 100 includes body 1, preceding board 2, lock core 3, connecting piece 4, separation blade 5, spring bolt 6 and the back board 7 that turns over, the front side of body 1 is equipped with cavity 1a to inwards caving in, preceding board 2 pin joint that turns over in the front side of body 1, and be located on the cavity 1 a. The lock cylinder 3 is arranged on the front turning plate 2 and is fixedly connected with one end of the connecting piece 4, and the other end of the connecting piece 4 is fixedly riveted with the blocking piece 5. The body 1 is provided with a clamping part 1b at the inner bottom of the cavity 1a, and the blocking piece 5 can be clamped with or separated from the clamping part 1 b. Specifically, a first groove body 1c and a second groove body 1d connected with the first groove body 1c are arranged at the inner bottom of the cavity 1a, and when the baffle 5 is located in the first groove body 1c, the baffle 5 is clamped with the clamping part 1 b; when the blocking piece 5 is positioned in the second slot body 1d, the blocking piece 5 is separated from the clamping part 1 b. The bolt 6 is arranged on the body 1 in a sliding and telescopic manner; the front turning plate 2 is provided with a first pushing part 21 extending towards the inside of the body 1, and the first pushing part 21 is abutted against the lock tongue 6 to push the lock tongue 6 to slide; the rear turning plate 7 is pivoted to the rear side of the body 1, the rear turning plate 7 is provided with a second pushing portion 71 extending towards the inside of the body 1, and the second pushing portion 71 abuts against the lock tongue 6 to push the lock tongue 6 to slide.

Referring to fig. 4, one end of the connecting member 4 is a cylindrical structure 41, and an end surface thereof is provided with a square connecting hole 411, and the output end of the lock cylinder 3 is inserted into the connecting hole 411 and is circumferentially positioned with respect to the connecting member 4. The other end of the connecting piece 4 is of a square column structure 42, a square hole 51 is formed in the middle of the blocking piece 5, and the square column penetrates through the square hole 51 and is connected with the blocking piece 5 through riveting.

As shown in fig. 3, the high-strength security lock 100 for the caravan door further comprises an elastic resetting piece 8, wherein the elastic resetting piece 8 is arranged between the body 1 and the bolt 6, so that the bolt 6 always has a tendency of extending out of the body 1; the elastic reset piece 8 is a compression spring. Through setting up elasticity resets 8, can make the spring bolt 6 can stretch out automatically body 1 to realize locking automatically, improve the convenience of using.

Referring to fig. 3 again, the body 1 includes a seat body 11 and a bottom plate 12, a rear cover plate 13, the seat body 11 is provided with a floor groove body for the bolt 6 to slide, and one side of the groove body is an open structure communicated with the outside; the bottom plate 12 covers the groove body, and four corners of the bottom plate 12 are fixedly connected with the seat body 11 through screws 121. The rear cover plate 13 is disposed at the rear side of the seat body 11 and is fixedly connected to the seat body 11 through screws 131. The body 1 is arranged to be the combination of the seat body 11 and the bottom plate 12, and the seat body and the bottom plate are fixedly connected through screws, so that the assembly and the maintenance are more convenient and faster.

Referring to fig. 3, a first receiving groove 61 for extending the first pushing portion 21 is formed in one side of the lock tongue 6 along the sliding direction, and the first pushing portion 21 abuts against one end of the first receiving groove 61 close to the body 1; the other side is provided with a second accommodating groove 62 along the sliding direction for the second pushing portion 71 to extend out, and the second pushing portion 71 is abutted against one end of the second accommodating groove 62 close to the body 1. By providing the first receiving groove 61 and the second receiving groove 62, the first pushing portion 21 and the second pushing portion 71 can be quickly positioned and assembled with the bolt 6, and the structural stability is ensured. An accommodating hole 63 is formed in one end face, close to the body 1, of the bolt 6, and an elastic reset piece 8 which respectively abuts against the bolt 6 and the body 1 is arranged in the accommodating hole 63. Through setting up holding hole 63 can be right elasticity resets piece 8 and fixes a position, both can improve the convenience of equipment, can make again elasticity resets piece 8 and can not shift, guarantees the stability of structure.

The baffle 5 and the body 1 are made of zinc alloy materials. In addition, the body 1 can also be made of high-strength plastic materials, such as: PA66+ 15%. Therefore, the strength of the baffle 5 is further improved, the baffle 5 is prevented from deforming, the structural stability is further improved, and the service life is prolonged.

When the lock is unlocked from the outside, a key is firstly inserted into the lock cylinder 3, then the key drives the lock cylinder 3 to rotate, the output end of the lock cylinder 3 drives the connecting piece 4 to rotate, and the connecting piece 4 drives the baffle 5 to rotate to the second groove body 1d from the first groove body 1 c. At this time, the blocking piece 5 is separated from the clamping part 1b, and the front turning plate 2 can be turned over at this time, so that the front turning plate 2 is turned over. The front turning plate 2 drives the first pushing portion 21, the first pushing portion 21 pushes the lock tongue 6, the lock tongue 6 slides towards the inside of the body 1, and the lock tongue 6 can be separated from the car body of the car as a house, so that the car as a house door can be unlocked and opened. Similarly, only need reverse the key of twisting, spring bolt 6 can stretch out under the elastic force effect of elasticity piece 8 that resets body 1 and with the automobile body block to can lock the door.

Compared with the prior art, the utility model discloses will lock core 3 turns over board 2 before arranging in, makes the one end of connecting piece 4 be connected with lock core 3, and the other end of connecting piece 4 is fixed with separation blade 5, through set up block portion 1b on the body 1, make separation blade 5 along with 3 rotations of lock core after can with block portion 1b block or separation, after both blocks, preceding board 2 that turns over can't drive spring bolt 6 unblocks promptly, after both separate, preceding board 2 that turns over can drive spring bolt 6 unblocks promptly to realize the purpose of locking or unblock of door, its simple structure, it is convenient to lock or unblock. In addition, through will connecting piece 4 with separation blade 5 riveting fixed, can make be connected between separation blade 5 and the connecting piece 4 more firmly reliable, avoid going the in-process and take place not hard up or the condition that drops because of vibrations takes place to effectively improve the structural strength of security lock, improve structural stability, effective increase of service life.

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 a car as a house door high strength security lock which characterized in that: the lock comprises a body, a front turning plate, a lock core, a connecting piece, a baffle, a lock tongue and a rear turning plate, wherein the front turning plate is pivoted on the front side of the body; the body is internally provided with a clamping part, and the blocking piece can be clamped with or separated from the clamping part; the lock tongue is arranged on the body in a sliding and telescopic manner; the front turning plate is provided with a first pushing part, and the first pushing part is abutted against the lock tongue so as to push the lock tongue to slide; the rear turning plate is pivoted to the rear side of the body and provided with a second pushing portion, and the second pushing portion is abutted to the lock tongue so as to push the lock tongue to slide.

2. The high-strength security lock for the door of the caravan of claim 1, wherein: still include elasticity piece that resets, elasticity reset set up in the body with between the spring bolt to make the spring bolt has constantly and stretches out the trend of body.

3. The high-strength security lock for the door of the caravan of claim 1, wherein: the body includes pedestal and bottom plate, the pedestal is seted up the spring bolt slip geosyncline body that supplies, the bottom plate cover in the cell body, the bottom plate with pass through screw fixed connection between the pedestal.

4. The high-strength security lock for the door of a caravan according to claim 3, characterized in that: the body still includes the back shroud, the back shroud set up in the rear side of pedestal and with pass through screw fixed connection between the pedestal.

5. The high-strength security lock for the door of the caravan of claim 1, wherein: the baffle plate and the body are made of zinc alloy materials.

6. The high-strength security lock for the door of a caravan according to claim 1, characterized in that: one side of the lock tongue is provided with a first accommodating groove for the first pushing part to extend out, and the other side of the lock tongue is provided with a second accommodating groove for the second pushing part to extend out.

7. The high-strength security lock for the door of the caravan of claim 6, wherein: an accommodating hole is formed in one end face, close to the body, of the lock tongue, and elastic reset pieces which respectively abut against the lock tongue and the body are arranged in the accommodating hole.

8. The high-strength security lock for the door of the caravan of claim 1, wherein: 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 and is connected with the separation blade through riveting.