CN216043146U

CN216043146U - Anti-prizing lock

Info

Publication number: CN216043146U
Application number: CN202121979470.9U
Authority: CN
Inventors: 吴直超
Original assignee: Wenzhou Dongfang Lock Factory
Current assignee: Wenzhou Dongfang Lock Factory
Priority date: 2021-08-22
Filing date: 2021-08-22
Publication date: 2022-03-15
Anticipated expiration: 2031-08-22

Abstract

The utility model relates to the technical field of lock processing, and discloses a pick-proof lock, which comprises a protective sleeve, wherein a lock shell is arranged on the inner side of the protective sleeve, the lock shell is arranged at the front position of a lock body, a lock hole is formed in the front end wall surface of the lock shell, the lock hole penetrates through the front end wall surface of the lock shell and is communicated with the inner side area of the lock shell, the size of the lock hole is matched with the width of a key, and a protective baffle is arranged on the inner side of the lock shell corresponding to the position of the lock hole. Thereby improving the difficulty of picking the lock.

Description

Anti-prizing lock

Technical Field

The utility model relates to the technical field of lock processing, in particular to a prying-resistant lock.

Background

At present theftproof measure commonly used can adopt the lock to lock objects such as door and handle, thereby make the external world unable to adopt non-appointed key to open, but, the illegal molecule of part can also carry out the operation of picking the lock through objects such as iron wire, though, partial lock body can adopt the baffle to carry out elasticity to the fore shaft and shelter from, improve the protectiveness to the fore shaft, but present baffle is in whole active state, can wholly open after touching single position, can't carry out effectual interference hindrance to objects such as iron wire, can't reach effectual protection treatment effect, for this reason, we propose a pick-proof tapered end.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a pick-proof lock head.

In order to achieve the aim, the utility model adopts the following technical scheme that the anti-prying lock head comprises a protective sleeve, a lock shell is arranged on the inner side of the protective sleeve, the lock shell is arranged at the front end of the lock body, a lock hole is arranged on the front end wall surface of the lock shell, the lock hole penetrates through the front end wall surface of the lock shell and is communicated with the inner side area of the lock shell, the size of the lock hole is matched with the width of a key, a protective baffle is arranged on the inner side of the lock shell corresponding to the position of the lock hole, the protective baffle comprises a fixed block and an adjusting plate, the fixed block is fixedly arranged on the wall surface of the front end of the inner side of the lock shell, the fixed block is positioned above the lock hole, the top wall of the fixed block is provided with adjusting movable grooves at intervals, the adjusting movable grooves penetrate through the bottom wall of the fixed block and are communicated with the bottom area of the fixed block, and the adjusting plate is arranged inside the adjusting movable grooves.

As preferred, the regulating plate is including adjusting the movable block and restricting the bumping post, adjust the movable block setting on the inboard position of adjusting the movable groove, adjust the movable block through torsional spring and mounting movable mounting on the inboard position that corresponds position control movable groove on the fixed block, restriction bumping post fixed mounting is on the bottom wall of adjusting the movable block.

Preferably, an elastic baffle is arranged between two adjacent groups of limiting stop pillars, the size of the elastic baffle is matched with the size of a gap between the two adjacent groups of limiting stop pillars, and the side wall of the elastic baffle is fixedly installed on the wall surface of the corresponding position of one side, close to each other, of the two adjacent groups of limiting stop pillars.

Preferably, the front end wall surface of the elastic baffle is provided with limiting buckling grooves at intervals, the limiting buckling grooves are gradually narrowed from the front to the back, and the limiting buckling grooves penetrate through the rear side wall of the elastic baffle and are communicated with the corresponding position area of the rear side of the elastic baffle.

Preferably, main pressing blocks are fixedly mounted on the side walls of the corresponding positions on the two sides of the inner portion of the limiting buckle groove at intervals in a staggered mode.

Preferably, the auxiliary pressing blocks are fixedly mounted on the wall surfaces of the corresponding positions on the two sides of the inner portion of the limiting buckle groove at intervals in a staggered mode, the main pressing blocks and the auxiliary pressing blocks are arranged in a staggered mode, and the positions of the main pressing blocks and the positions of the auxiliary pressing blocks correspond to each other.

Advantageous effects

The utility model provides a pick-proof lock head. The method has the following beneficial effects:

(1) this pick-proof tapered end, when taking place external thief's attempt to unblank the lock body, when carrying out the picklock operation through iron wire or similar article, when the iron wire inserted the inside promotion guard flap of lockhole and pick the lock operation, the iron wire can promote single restriction bumping post or elastic baffle to the inside extension of lock body, through free restriction bumping post and elastic baffle, thereby make the iron wire can't carry out whole jack-up with guard flap, and all the other restriction bumping posts and elastic baffle can restrict the iron wire, thereby improve the iron wire position control degree of difficulty, thereby improve the picklock degree of difficulty.

(2) This pick-proof tapered end, when the iron wire passes through on the elastic baffle restriction buckle groove and extends to lock body inside, through the structure that narrows down gradually in restriction buckle groove to elastic deformation regulating power through elastic baffle, thereby make the iron wire extend to the inside degree of difficulty of lock body and increase gradually, thereby further improve the pick-proof degree of difficulty.

(3) This pick-proof tapered end, when the iron wire extends to lock body inside through restriction buckle groove, through the main briquetting of restriction buckle inslot side and assistance briquetting, thereby make when extending the iron wire to lock body inside, the wriggling through the iron wire and the restriction of the deformation power that iron wire reaction elastic baffle produced, thereby make the iron wire can receive main briquetting and assist the briquetting and extrude, make the iron wire all can take place the bending deformation of different angles when extending the operation at every turn, make the iron wire can't reach appointed deformation effect, thereby further improve the degree of difficulty of prying the lock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure of the anti-prying lock head of the present invention;

FIG. 2 is a partial schematic view of the lock housing of the present invention;

FIG. 3 is a schematic view of a partial structure of the protective shield of the present invention;

FIG. 4 is a partial structural view of the restraining clip groove of the present invention.

Illustration of the drawings:

1. a protective sleeve; 2. a lock case; 3. a lock hole; 4. a protective baffle; 5. a fixed block; 6. an adjusting plate; 7. adjusting the movable groove; 8. adjusting the movable block; 9. a restraining stop post; 10. an elastic baffle plate; 11. a limiting snap groove; 12. a main pressing block; 13. and (5) auxiliary pressing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): a pick-proof lock head is shown in figures 1-4 and comprises a protective sleeve 1, wherein a lock shell 2 is arranged on the inner side of the protective sleeve 1, the lock shell 2 is arranged at the front end of a lock body, a lock hole 3 is formed in the front end wall surface of the lock shell 2, the lock hole 3 is a rectangular slotted hole, the lock hole 3 penetrates through the front end wall surface of the lock shell 2 and is communicated with the inner side area of the lock shell 2, the size of the lock hole 3 is matched with the width of a key, a protective baffle 4 is arranged on the inner side of the lock shell 2 corresponding to the position of the lock hole 3, and non-key objects can be prevented from entering the lock body through the protective baffle 4;

the protective baffle 4 comprises a fixed block 5 and an adjusting plate 6, the fixed block 5 is fixedly installed on the wall surface of the front end of the inner side of the lock shell 2, the fixed block 5 is located above the lock hole 3, adjusting movable grooves 7 are formed in the wall surface of the top of the fixed block 5 at intervals, the adjusting movable grooves 7 are rectangular groove holes, the adjusting movable grooves 7 penetrate through the wall surface of the bottom of the fixed block 5 and are communicated with the bottom area of the fixed block 5, and the adjusting plate 6 is arranged inside the adjusting movable grooves 7;

the adjusting plate 6 comprises an adjusting movable block 8 and a limiting stop pillar 9, the adjusting movable block 8 is arranged at the inner side position of the adjusting movable groove 7, the adjusting movable block 8 is movably arranged on the fixed block 5 at the inner side position of the adjusting movable groove 7 corresponding to the position through a torsion spring and a fixing piece, the limiting stop pillar 9 is fixedly arranged on the bottom wall surface of the adjusting movable block 8, and the length of the limiting stop pillar 9 is larger than the height of the lock hole 3;

an elastic baffle 10 is arranged between two adjacent groups of limiting stop posts 9, the size of the elastic baffle 10 is matched with the size of a gap between the two adjacent groups of limiting stop posts 9, the side wall of the elastic baffle 10 is fixedly arranged on the wall surface of the corresponding position of one side, close to each other, of the two adjacent groups of limiting stop posts 9, the elastic baffle 10 can elastically deform, limiting buckling grooves 11 are formed in the front end wall surface of the elastic baffle 10 at intervals, the limiting buckling grooves 11 are trapezoidal slotted holes, the limiting buckling grooves 11 gradually narrow from front to back, and the limiting buckling grooves 11 penetrate through the side wall of the back side of the elastic baffle 10 and are communicated with the corresponding position area of the back side of the elastic baffle 10;

the inside both sides of restriction buckle groove 11 correspond on the position lateral wall all the crisscross fixed mounting in interval have main briquetting 12, and main briquetting 12 is spherical cubic, and the inside both sides of restriction buckle groove 11 correspond on the position wall all the crisscross fixed mounting in interval have supplementary briquetting 13, and supplementary briquetting 13 is convex cubic, and main briquetting 12 and supplementary briquetting 13 are crisscross each other to be arranged, and main briquetting 12 and supplementary briquetting 13 position correspond each other.

The working principle of the utility model is as follows:

when the anti-theft lock is used, when an external thief tries to unlock the lock body, and lock picking operation is carried out through an iron wire or similar objects, when the iron wire is inserted into the lock hole 3 to push the protective baffle 4 to carry out lock picking operation, the iron wire can push the single limiting baffle post 9 or the elastic baffle 10 to extend towards the inside of the lock body, the iron wire cannot push the protective baffle 4 integrally through the single limiting baffle post 9 and the single elastic baffle 10, and the rest limiting baffle posts 9 and the rest elastic baffles 10 can limit the iron wire, so that the difficulty in adjusting the position of the iron wire is improved, and the difficulty in lock picking is improved;

when the iron wire extends towards the inside of the lock body through the limiting buckling groove 11 on the elastic baffle 10, the difficulty of extending the iron wire to the inside of the lock body is gradually increased through the gradually narrowing structure of the limiting buckling groove 11 and the elastic deformation adjusting capacity of the elastic baffle 10, so that the lock picking difficulty is further improved;

when the iron wire extends to lock body inside through restriction buckle groove 11, through main briquetting 12 and the assistance briquetting 13 of restriction buckle groove 11 inboard, thereby make when extending the iron wire to lock body inside, the wriggling through the iron wire and the deformation restriction that iron wire reaction elastic baffle 10 produced, thereby make the iron wire can receive main briquetting 12 and assist briquetting 13 to extrude, make the iron wire all can take place the bending deformation of different angles when extending the operation at every turn, make the iron wire can't reach appointed deformation effect, thereby further improve the degree of difficulty of sled lock.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tapered end of pick-proof, includes lag (1), the inboard of lag (1) is provided with lock shell (2), lock shell (2) installation is on the lock body front end position again, lockhole (3) have been seted up on the front end wall of lock shell (2), and lockhole (3) run through the front end wall of lock shell (2) and the inboard region of lock shell (2) and communicate each other, the size and the key width size looks adaptation of lockhole (3), its characterized in that: the position that the inboard of lock shell (2) corresponds lockhole (3) is provided with protective baffle (4), protective baffle (4) are including fixed block (5) and regulating plate (6), on the inboard front end wall of fixed block (5) fixed mounting lock shell (2), fixed block (5) are located the top position of lockhole (3), spaced apart on the top wall of fixed block (5) and be equipped with regulation movable groove (7), adjust movable groove (7) and run through the bottom wall of fixed block (5) and fixed block (5) bottom region intercommunication each other, regulating plate (6) set up the inside in regulation movable groove (7).

2. An anti-prying lock according to claim 1 further comprising: regulating plate (6) is including adjusting movable block (8) and restriction bumping post (9), adjust movable block (8) and set up on the inboard position of adjusting movable groove (7), adjust movable block (8) through torsional spring and mounting movable mounting on fixed block (5) correspond the inboard position of position control movable groove (7) on, restriction bumping post (9) fixed mounting is on the bottom wall of adjusting movable block (8).

3. An anti-prying lock according to claim 2 further comprising: and an elastic baffle (10) is arranged between every two adjacent groups of limiting stop pillars (9), the size of the elastic baffle (10) is matched with the size of a gap between every two adjacent groups of limiting stop pillars (9), and the side wall of the elastic baffle (10) is fixedly installed on the wall surface of the corresponding position of one side, close to each other, of the two adjacent groups of limiting stop pillars (9).

4. An anti-pry lock according to claim 3 further comprising: restriction buckle groove (11) have been seted up at the front end wall interval of elastic baffle (10), and restriction buckle groove (11) become narrow gradually from the past to the back, and restriction buckle groove (11) run through the rear side lateral wall of elastic baffle (10) and elastic baffle (10) rear side and correspond the position region intercommunication each other.

5. An anti-pry lock according to claim 4, further comprising: the limiting buckle slot (11) is characterized in that main pressing blocks (12) are fixedly mounted on the side walls of the corresponding positions of the two sides in the limiting buckle slot at intervals in a staggered mode.

6. An anti-pry lock according to claim 5 further comprising: the inside both sides of restriction buckle groove (11) correspond on the position wall all the interval crisscross fixed mounting have and assist briquetting (13), and main briquetting (12) and assistance briquetting (13) are crisscross each other to be arranged, and main briquetting (12) and assistance briquetting (13) position correspond to each other.