CN212645506U

CN212645506U - Explosion-proof fork for security protection

Info

Publication number: CN212645506U
Application number: CN202021267339.5U
Authority: CN
Inventors: 赵媛; 席嘉良; 张旭冉; 黄兆赫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-03-02
Anticipated expiration: 2030-07-01

Abstract

The utility model belongs to the technical field of the security protection instrument technique and specifically relates to a disclose explosion-proof fork for security protection, including fork head, scalable handle pole, the outside welding in fork head middle part has connecting portion, install through the screw thread in the connecting portion scalable handle pole, the fork head includes wherein two arcs of one end welding as an organic whole, fork head opening one end is fixed with the fixed pin, be fixed with the portion of circling round through the bearing on the fixed pin, the shaping has the zigzag alveolus on the tip outer wall of the portion of circling round, fork head welding one end as an organic whole is inside to have the fixed plate through the fix with screw, the fixed plate is U type structure, one end has the buckle piece through the round pin hub fixation in the recess of fixed plate, the other end pin joint has the lock core in the recess of fixed plate. Has the advantages that: the openable circular ring is adopted to capture lawless persons, so that the lawless persons can be effectively prevented from escaping, and the capture effect is improved.

Description

Explosion-proof fork for security protection

Technical Field

The utility model belongs to the technical field of security protection instrument technique and specifically relates to an explosion-proof fork is used in security protection.

Background

An explosion-proof steel fork is invented for preventing violence, and comprises a rod part and a fork head part, wherein the fork head part is in a semicircular ring shape and is commonly used in public places such as schools, kindergartens, railway stations and the like for controlling lawless persons who will infringe other people or are infringed other people. However, the traditional anti-riot steel fork plays roles of charging, abutting and isolating when the body of a riot is forked, but the head part of the fork is in a semicircular shape, so that a lawbreaker can escape from the opening side.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof fork for security protection just in order to solve above-mentioned problem.

The technical scheme of the utility model is realized like this:

an explosion-proof fork for security protection comprises a fork head part and a telescopic handle rod, wherein a connecting part is welded at the outer side of the middle part of the fork head part, the telescopic handle rod is arranged on the connecting part through threads, the fork head part comprises two arc-shaped plates one end of which is welded into a whole, a fixed pin is fixed at one end of the opening of the fork head part, a rotary part is fixed on the fixed pin through a bearing, the outer wall of the end part of the rotary part is provided with a sawtooth-shaped tooth socket, the inside of one end of the fork head part which is welded into a whole is fixed with a fixing plate through a screw, the fixing plate is of a U-shaped structure, a buckling piece is fixed at one end in the groove of the fixing plate through a pin shaft, the other end pin joint has the lock core in the recess of fixed plate, the bottom has the spacing piece of spring through the fix with screw in the recess of fixed plate, the spacing piece of spring with the joint has reset spring between the buckle piece.

Further, the shaping has the internal thread hole in the connecting portion, scalable handle rod tip shaping have with the external screw thread that the internal thread hole matches, scalable handle rod afterbody nestification has afterbody handle cover.

Furthermore, a key hole matched with the lock cylinder is formed in the outer wall of one side of the fork head.

Further, the buckle piece includes the swing arm, swing arm one end shaping has the spring clamping groove, swing arm tip shaping has the tip shifting block, swing arm tip one side shaping has locking tooth, swing arm tip opposite side shaping has lower dop.

Furthermore, the locking teeth are matched with the sawtooth-shaped tooth sockets.

Furthermore, the end part of the end shifting block is positioned in the turning radius of the lock cylinder, a baffle is formed at one end of the fixing plate close to the lock cylinder, and the end part shifting block abuts against the baffle of the fixing plate.

Furthermore, the reset spring is of a V-shaped structure, one end of the reset spring is clamped on the spring limiting sheet, and the other end of the reset spring is clamped inside the spring clamping groove.

By adopting the technical scheme, the beneficial effects of the utility model are that: the openable circular ring is adopted to capture lawless persons, so that the lawless persons can be effectively prevented from escaping, and the capture effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a first usage state reference diagram of the present invention;

fig. 2 is a second usage state reference diagram of the present invention;

fig. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is a simplified structure of the buckle sheet of the present invention;

fig. 5 is a top view of the fork head of the present invention;

fig. 6 is a cross-sectional view of the fork head of the present invention.

The reference numerals are explained below:

1. a fork head portion; 2. a retractable handle bar; 3. a tail handle sleeve; 4. a connecting portion; 5. a fixing pin; 6. a turning part; 7. a serrated alveolus; 8. a key hole; 9. an internally threaded bore; 10. a fixing plate; 11. a spring limiting sheet; 12. a lock cylinder; 13. a return spring; 14. a buckling piece; 15. swinging arms; 16. a spring clamp groove; 17. a lower chuck; 18. an end shifting block; 19. and locking the teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1-6, an explosion-proof fork for security protection comprises a fork head part 1 and a telescopic handle bar 2, wherein a connecting part 4 is welded on the outer side of the middle part of the fork head part 1, the telescopic handle bar 2 is installed on the connecting part 4 through threads, the length can be adjusted according to requirements, the connecting part 4 is of a U-shaped structure, an internal thread hole 9 is formed in the connecting part 4, an external thread matched with the internal thread hole 9 is formed at the end part of the telescopic handle bar 2, the telescopic handle bar 2 is convenient to fix, a tail handle sleeve 3 is nested at the tail part of the telescopic handle bar 2, the fork head part 1 is convenient to hold by hands, one end of the fork head part 1 is welded into a whole by two arc plates, a fixed pin 5 is fixed at one open end of the fork head part 1, a convolution part 6 is fixed on the fixed pin 5 through a bearing, the convolution part 6 is positioned between the two arc plates of, fork head 1 welding as an organic whole one end is inside to be had fixed plate 10 through the fix with screw, fixed plate 10 is U type structure, one end has buckle piece 14 through the round pin hub fixation in the recess of fixed plate 10, be used for fixing the portion of circling round 6, other end pin joint has lock core 12 in the recess of fixed plate 10, the bottom has spacing piece 11 of spring through the fix with screw in the recess of fixed plate 10, the joint has reset spring 13 between spacing piece 11 of spring and the buckle piece 14, utilize reset spring 13 to keep buckle piece 14 outwards rotatory all the time, it is convenient to fix with zigzag alveolus 7.

In this embodiment, a key hole 8 matched with the lock cylinder 12 is formed in the outer wall of one side of the fork head portion 1, and a key is inserted into the key hole 8 to drive the lock cylinder 12 to rotate, so that the buckle piece 14 is pulled, the locking teeth 19 on the buckle piece 14 are separated from the sawtooth-shaped tooth grooves 7, and the rotary portion 6 is conveniently pulled out.

In this embodiment, the buckle piece 14 includes swing arm 15, and swing arm 15 one end shaping has spring slot 16, and swing arm 15 tip shaping has tip shifting block 18, conveniently blocks it on fixed plate 10, and swing arm 15 tip one side shaping has locking tooth 19, and swing arm 15 tip opposite side shaping has lower dop 17.

In this embodiment, the locking teeth 19 are matched with the sawtooth-shaped tooth sockets 7, and the sawtooth-shaped tooth sockets 7 are right-angled teeth, so that the convolution part 6 can only be retracted inwards and cannot be pulled out outwards.

In this embodiment, the end of the end dial 18 is located within the turning radius of the lock cylinder 12, so as to ensure that the lock cylinder 12 can drive the buckling piece 14 to rotate when rotating, a baffle is formed at one end of the fixing plate 10 close to the lock cylinder 12, and the end dial 18 abuts against the baffle of the fixing plate 10, so that the limit position of the buckling piece 14 is limited, and the normal use of the fixing plate is ensured.

In this embodiment, the return spring 13 is a "V" shaped structure, one end of the return spring 13 is clamped on the spring limiting plate 11, and the other end of the return spring 13 is clamped inside the spring clamping groove 16.

The utility model discloses a theory of operation does: when the hand-held telescopic handle rod 2 is inserted to a lawbreaker by using the fork head 1, the convolution part 6 is driven to convolute for 360 degrees by using the reaction force and inertia generated by the contact of the convolution part 6 and a human body to realize the automatic convolution buckling of the convolution part 6 and the fork head 1, and the capture of the lawbreaker is finished.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof fork is used in security protection which characterized in that: the handle comprises a fork head part (1) and a telescopic handle rod (2), wherein the outer side of the middle part of the fork head part (1) is welded with a connecting part (4), the telescopic handle rod (2) is installed on the connecting part (4) through threads, the fork head part (1) comprises two arc-shaped plates with one ends welded into a whole, one end of an opening of the fork head part (1) is fixed with a fixed pin (5), a rotary part (6) is fixed on the fixed pin (5) through a bearing, a sawtooth-shaped tooth socket (7) is formed on the outer wall of the end part of the rotary part (6), a fixed plate (10) is fixed inside one end of the fork head part (1) welded into a whole through a screw, the fixed plate (10) is of a U-shaped structure, a clamping piece (14) is fixed at one end in a groove of the fixed plate (10) through a pin, and a lock cylinder, the bottom has spring spacing piece (11) through the fix with screw in the recess of fixed plate (10), spring spacing piece (11) with the joint has reset spring (13) between buckle piece (14).

2. The explosion-proof fork for security and protection according to claim 1, characterized in that: the shaping has internal thread hole (9) in connecting portion (4), scalable handle bar (2) tip shaping have with the external screw thread that internal thread hole (9) match, scalable handle bar (2) afterbody nestification has afterbody handle cover (3).

3. The explosion-proof fork for security and protection according to claim 1, characterized in that: and a key hole (8) matched with the lock cylinder (12) is formed in the outer wall of one side of the fork head part (1).

4. The explosion-proof fork for security and protection according to claim 1, characterized in that: the buckle piece (14) includes swing arm (15), swing arm (15) one end shaping has spring card groove (16), swing arm (15) tip shaping has tip shifting block (18), swing arm (15) tip one side shaping has locking tooth (19), swing arm (15) tip opposite side shaping has lower dop (17).

5. The explosion-proof fork for security and protection according to claim 4, characterized in that: the locking teeth (19) are matched with the sawtooth-shaped tooth sockets (7).

6. The explosion-proof fork for security and protection according to claim 4, characterized in that: the end part of the end part shifting block (18) is arranged in the turning radius of the lock cylinder (12), a baffle is formed at one end, close to the lock cylinder (12), of the fixing plate (10), and the end part shifting block (18) abuts against the baffle of the fixing plate (10).

7. The explosion-proof fork for security and protection according to claim 4, characterized in that: the reset spring (13) is of a V-shaped structure, one end of the reset spring (13) is clamped on the spring limiting sheet (11), and the other end of the reset spring (13) is clamped inside the spring clamping groove (16).