CN217872325U

CN217872325U - Lockset with pick-proof structure

Info

Publication number: CN217872325U
Application number: CN202121695883.4U
Authority: CN
Inventors: 陈福顺
Original assignee: NANTONG KOUMU CAR PARTS CO Ltd
Current assignee: NANTONG KOUMU CAR PARTS CO Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-11-22
Anticipated expiration: 2031-07-23

Abstract

The application provides a tool to lock of utensil pick-proof structure, it can be used to the lock solid article, and the tool to lock of utensil pick-proof structure includes casing, lock core and spring bolt. The shell is provided with an accommodating space and a sliding space; the lock core is rotatably arranged in the accommodating space and is provided with a clamping part which is arranged at one end of the lock core close to the sliding space, and the lock core can selectively rotate among an unlocking position, a locking position and a prying-resistant position; the spring bolt is slidingly arranged in the sliding space, the spring bolt can selectively slide between a first position and a second position, the spring bolt is provided with a clamping groove, the clamping groove is arranged on one side of the spring bolt and corresponds to the clamping part, and when the lock cylinder is positioned at the anti-prying position, the clamping part is stably clamped in the clamping groove. Therefore, when the lock core is positioned at the anti-prying position, the lock tongue can not be pushed, and the real anti-prying function is achieved.

Description

Lockset with pick-proof structure

Technical Field

The present disclosure relates to locks, and particularly to a lock with a prying-resistant structure.

Background

Transportation vehicles are known, for example: generally, a vehicle body of a vehicle or an electric vehicle is provided with an oil tank or a battery tank, respectively, and the oil tank or the battery tank is arranged on an original tank cover and has no anti-theft measures, so that a lock is usually arranged outside the tank cover to protect articles in the tank in order to prevent a malicious person from opening the tank cover and stealing or damaging the articles in the tank.

However, when the lock is in the locked position, the bolt of the lock and the object to be locked are not completely abutted, and a certain gap is still formed between the bolt and the object to be locked, so that a conscious person can insert the gap and withdraw the bolt by using a tool, and the object to be locked is opened, thereby achieving the purpose of stealing or destroying the objects in the box.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application discloses a lock with an anti-prying structure, wherein when the lock cylinder is in the anti-prying position, the locking portion can be completely fastened in the locking groove, so that the lock tongue can be completely fixed in the second position without loosening, thereby achieving the real anti-prying and anti-theft function.

To achieve the above objective, an embodiment of the present application provides a lock with a prying-resistant structure, which includes a housing, a lock cylinder, and a lock tongue. The shell is provided with an accommodating space and a sliding space, and the accommodating space and the sliding space are mutually perpendicular and communicated; the lock core is rotatably arranged in the accommodating space and is provided with a clamping part which is arranged at one end of the lock core close to the sliding space, and the lock core can selectively rotate among an unlocking position, a locking position and a prying-resistant position; the lock bolt slides and is arranged in the sliding space, the lock bolt can selectively slide between a first position and a second position, the lock bolt is provided with a clamping groove, the clamping groove is arranged on one side of the lock bolt and corresponds to the clamping part, when the lock cylinder is positioned at an unlocking position, the lock bolt slides to the first position to open an article, when the lock cylinder is positioned at a locking position, the lock bolt slides to the second position to close the article, when the lock cylinder is positioned at a pick-proof position, two ends of the clamping part can be clamped and fixed on the inner side of the clamping groove to fix the lock bolt at the second position.

In another embodiment of the present application, the housing has a housing cover, the housing cover is disposed at the other end of the lock cylinder away from the sliding space, the housing cover has a plurality of marks, and the plurality of marks can correspondingly display that the lock cylinder is located at one of the unlocking position, the locking position and the anti-prying position.

In another embodiment of the present application, the lock cylinder has an operation hole, the operation hole is disposed at the other end of the lock cylinder away from the sliding space, the operation hole can be used for inserting a key, and the key can control the rotation angle of the lock cylinder through the operation hole to control the position of the detent portion.

In another embodiment of the present application, the latch has a groove, the groove is disposed on a top surface of the latch, the groove is provided for the elastic member to be disposed therein, two ends of the elastic member abut against between the groove and an inner wall of the housing, and the elastic member normally positions the latch at the second position.

In another embodiment of the present application, the locking slot has a first abutting surface and a second abutting surface, the first abutting surface is disposed on one side of the locking slot close to the top surface of the lock tongue, the second abutting surface is disposed on the other side of the locking slot away from the top surface of the lock tongue, and when the lock core is located at the anti-picking position, two ends of the locking portion completely abut against the first abutting surface and the second abutting surface, so that the locking portion is stably locked in the locking slot.

In another embodiment of the present application, the lock tongue has a clamping portion, the clamping portion is disposed at the other end of the lock tongue away from the groove, and when the lock tongue is at the second position, the clamping portion can be clamped on the object.

In another embodiment of the present application, the locking slot has an inclined surface, the inclined surface is disposed on one side of the second abutting surface, and when the lock cylinder is rotated from the locking position to the anti-prying position, the inclined surface enables the locking portion to be smoothly locked in the locking slot.

In another embodiment of the present application, the latching portion is a bar-shaped protrusion.

In another embodiment of the present application, the length of the catch is less than the diameter of the lock cylinder.

Therefore, when the lock core is in the anti-prying position, the clamping part can be completely clamped in the clamping groove, so that the lock tongue can be completely fixed at the second position and cannot be loosened. Compared with the prior art that the lock core can only be rotated to the locking position, the lock core can be further rotated to the anti-prying position and is firmly clamped in the clamping groove through the clamping part, and the real anti-prying and anti-theft function is achieved.

Drawings

Fig. 1 is a perspective view of the lock with an anti-picking structure according to the present application.

Fig. 2 is an exploded view of the lock with anti-picking structure according to the present application.

Fig. 3 is a front view of the lock device with anti-picking structure of the present application, showing the lock cylinder being rotatable.

Fig. 4 isbase:Sub>A schematic sectional view taken along the linebase:Sub>A-base:Sub>A of fig. 3 for illustrating the sectional structure of the present application.

Fig. 5 is a schematic view of an embodiment of the lock cylinder of the present application in a cross-section taken along line B-B of fig. 4, which is normally in a locked position.

Fig. 6 is a schematic view of an embodiment of the lock cylinder of the present application shown in a cross-section taken along line B-B of fig. 4, illustrating the lock cylinder rotated to an unlocked position.

Fig. 7 is a schematic view of an embodiment of the lock cylinder of the present application shown rotated to a picking position, taken along line B-B of fig. 4.

Detailed Description

For the purpose of illustrating the subject matter of the present application, the following detailed description is provided for illustrative purposes. It should be understood that the various objects of the embodiments are drawn to scale as appropriate for the illustrations described, and not to scale as actual components.

Referring to fig. 1 to 7, a lock 100 with an anti-picking structure for locking an object (not shown) according to an embodiment of the present invention is shown, and the lock 100 with the anti-picking structure includes a housing 10, a key cylinder 20 and a latch 30.

The housing 10 has an accommodating space 11 and a sliding space 12, wherein the accommodating space 11 and the sliding space 12 are perpendicular to each other and are communicated with each other. The accommodating space 11 is provided for the lock cylinder 20 to be arranged therein, and the sliding space 12 is provided for the lock tongue 30 to be arranged therein. As shown in fig. 1 to 7, in the embodiment of the present application, the housing 10 has a housing cover 13, the housing cover 13 is disposed at an end of the accommodating space 11 away from the sliding space 12, the housing cover 13 has a plurality of marks 131, and the plurality of marks 131 can correspondingly display the rotation angle of the key cylinder 20.

The lock core 20 is rotatably disposed in the accommodating space 11, and the lock core 20 has a locking portion 21. The latch 21 is disposed at an end of the lock cylinder 20 close to the sliding space 12, and the lock cylinder 20 can selectively rotate between an unlocking position P1, a locking position P2 and a prying-resistant position P3. As shown in fig. 1 to 7, in the embodiment of the present application, the key cylinder 20 has an operation hole 22 and a dust-proof piece 23, and the latch portion 21 has a first end 211 and a second end 212. The operation hole 22 is disposed at the other end of the key cylinder 20 away from the sliding space 12, the operation hole 22 is used for inserting a key (not shown), and the key can control the rotation angle of the key cylinder 20 through the operation hole 22 to control the position of the latch part 21; the dust-proof member 23 is disposed on a side of the operation hole 22 away from the sliding space 12, and the dust-proof member 23 can selectively open the operation hole 22. Wherein, the operation hole 22 is normally closed by the dustproof piece 23 to achieve the effects of sand prevention and dust prevention; the latch portion 21 is a long protrusion, but not limited thereto, and the length of the latch portion 21 is smaller than the diameter of the lock core 20.

The locking tongue 30 is slidably disposed in the sliding space 12, the locking tongue 30 can selectively slide between a first position S1 and a second position S2, the locking tongue 30 has a slot 31, and the slot 31 is disposed corresponding to the detent portion 21 and located on one side of the locking tongue 30. When the lock cylinder 20 is located at the unlocking position P1, the lock tongue 30 slides to the first position S1, so that the article is unlocked; when the lock core 20 is located at the locking position P2 and the anti-picking position P3, the latch 30 slides to the second position S2, so that the article is closed.

As shown in fig. 1 to 7, in the embodiment of the present application, the locking tongue 30 has a groove 32, an elastic element 33 and a fastening portion 34, and the locking slot 31 has a first abutting surface 311, a second abutting surface 312 and an inclined surface 313. The groove 32 is arranged on the top surface of the lock tongue 30, the groove 32 can be provided for the elastic element 33 to be arranged therein, two ends of the elastic element 33 are abutted between the groove 32 and the inner wall of the shell 10, and the elastic element 33 enables the lock tongue 30 to be normally located at the second position S2; the fastening portion 34 is disposed at an end of the locking tongue 30 away from the groove 32, and when the locking tongue 30 is located at the second position S2, the fastening portion 34 can be fastened to a fastened portion (not shown) of the article. The elastic member 33 is a return spring, but not limited thereto.

The first abutting surface 311 is arranged on one side of the slot 31 close to the top surface of the bolt 30; the second abutting surface 312 is disposed on the other side of the slot 31 away from the top surface of the latch 30, the first end 211 of the detent portion 21 can completely abut against the first abutting surface 311, and the second end 212 of the detent portion 21 can completely abut against the second abutting surface 312, so that the detent portion 21 can be firmly clamped in the slot 31; the inclined surface 313 is disposed on one side of the second abutting surface 312, and when the lock core 20 rotates from the locking position P2 to the anti-picking position P3, the inclined surface 313 enables the locking portion 21 to be smoothly locked in the locking slot 31, so as to be completely locked in the locking slot 31.

Referring to fig. 5 to 7 and fig. 2 and 3, the following is a description of the practical operation of the present application:

as shown in fig. 3 and fig. 5, the locking portion 21 abuts against the first abutting surface 311, and the elastic member 33 is in an extended state, so that the lock cylinder 20 is normally located at the locking position P2, and the lock tongue 30 is normally located at the second position S2, so as to lock the locking portion 34 in the locked portion of the object, thereby achieving the purpose of closing the object.

As shown in fig. 3 and 6, the user can insert the key into the operation hole 22 to rotate the lock cylinder 20 clockwise, the lock cylinder 20 rotates from the locking position P2 to the unlocking position P1, the second end 212 of the locking portion 21 abuts against the first abutting surface 311, the lock tongue 30 slides from the second position S2 to the first position S1, and the elastic member 33 is compressed to separate the locking portion 34 from the locked portion, so as to open the article. When the key cylinder 20 is located at the unlocking position P1, the locking portion 21 is not stably locked in the locking groove 31, so that when the user exits the key from the operation hole 22, the elastic member 33 is stretched, so as to restore the key cylinder 20 from the unlocking position P1 to the locking position P2, and restore the locking bolt 30 from the first position S1 to the second position S2, thereby normally closing the article.

As shown in fig. 3 and 7, a user can insert the key into the operation hole 22 to rotate the lock core 20 in a counterclockwise direction, the lock core 20 rotates from a locking position P2 to a prying-resistant position P3, the first end 211 of the locking portion 21 abuts against the first abutting surface 311, the second end 212 of the locking portion 21 abuts against the second abutting surface 312, the locking portion 21 is completely clamped in the clamping groove 31, and the locking tongue 30 can be stably locked at the second position S2, so that a malicious person is prevented from inserting into the gap between the clamping portion 34 and the clamped portion, and the locking tongue 30 is pushed from the second position S2 to the first position S1, thereby achieving the purpose of prying resistance.

Therefore, when the lock core 20 is located at the anti-prying position P3, the locking portion 21 can be completely clamped in the locking groove 31, so that the locking tongue 30 can be stably fixed at the second position S2 without loosening. Compared with the conventional lock cylinder 20 which can only rotate to the locking position P2, the lock cylinder 20 of the present application can further rotate to the anti-prying position P3 and is firmly clamped in the clamping groove 31 through the clamping portion 21, so as to achieve the real anti-prying and anti-theft function.

Although the present application has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the application. The above-mentioned embodiments are merely illustrative of the present application and are not intended to limit the scope of the present application. It will be understood that various modifications and changes may be made without departing from the spirit of the invention as set forth in the claims below.

[ description of reference ]

100, a lockset. 10, a shell.

11, an accommodating space. 12: sliding space.

And 13, a shell cover. And 131, marking.

20, a lock cylinder. 21, a clamping part.

211: a first end. 212, a second end.

22, operating hole. And 23, dust prevention parts.

30, a bolt. 31, a card slot.

311, a first abutting surface. 312, second abutting surface.

313 is an inclined plane. 32, grooves.

33, an elastic piece. 34, a clamping part.

P1 is the unlocking position. P2, locking position.

P3 is the anti-picking position. S1, a first position.

And S2, a second position.

Claims

1. A lock with an anti-pry structure is characterized by comprising:

the shell is provided with an accommodating space and a sliding space, and the accommodating space and the sliding space are mutually vertically arranged and mutually communicated;

the lock cylinder is rotationally arranged in the accommodating space and is provided with a clamping part, the clamping part is arranged at one end of the lock cylinder close to the sliding space, and the lock cylinder can selectively rotate among an unlocking position, a locking position and a prying-resistant position; and

the lock core is arranged in the unlocking position, the lock bolt slides to the first position to open an article, when the lock core is arranged in the locking position, the lock bolt slides to the second position to close the article, and when the lock core is arranged in the pick-proof position, two ends of the clamping part can be clamped inside the clamping groove to fix the lock bolt at the second position.

2. The lock with anti-pry structure according to claim 1, wherein said housing has a cover, said cover is disposed at an end of said accommodating space away from said sliding space, said cover has a plurality of marks, said plurality of marks can correspondingly indicate that said lock cylinder is located at one of said unlocking position, said locking position and said anti-pry position.

3. The lock with anti-pry structure according to claim 1, wherein the key cylinder has an operation hole, the operation hole is disposed at the other end of the key cylinder away from the sliding space, a key is inserted into the operation hole, and the key can control the rotation angle of the key cylinder through the operation hole to control the position of the detent portion.

4. The lock with anti-pry structure according to claim 1, wherein said latch has a recess, said recess is disposed on a top surface of said latch, said recess is for an elastic member to be disposed therein, two ends of said elastic member abut between said recess and an inner wall of said housing, said elastic member normally positions said latch at said second position.

5. The lock according to claim 1, wherein the locking slot has a first abutting surface and a second abutting surface, the first abutting surface is disposed on one side of the locking slot close to the top surface of the lock tongue, the second abutting surface is disposed on the other side of the locking slot away from the top surface of the lock tongue, and when the lock cylinder is located at the anti-picking position, two ends of the detent portion completely abut against the first abutting surface and the second abutting surface, so that the detent portion is stably locked in the locking slot.

6. The lock with anti-pry structure according to claim 4, wherein said bolt has a locking portion, said locking portion is disposed at an end of said bolt away from said recess, and when said bolt is in said second position, said locking portion is locked to said locked portion of said article.

7. The lock with anti-picking structure according to claim 5, wherein said slot has an inclined surface, said inclined surface is disposed on one side of said second abutting surface, when said lock core rotates from said locking position to said anti-picking position, said inclined surface makes said latch portion smoothly locked in said slot.

8. The lock with anti-pry structure of claim 7, wherein said latch portion is a elongated projection.

9. The lock with anti-pry structure of claim 8, wherein said latch portion has a length less than a diameter of said plug.