CN212419861U

CN212419861U - Hole cutting pliers for hole changing of security door

Info

Publication number: CN212419861U
Application number: CN202021041431.XU
Authority: CN
Inventors: 李�浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-29
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to the technical field of mechanical tools, in particular to a hole shearing pliers for hole shearing of a security door, which comprises a handle and a connecting rod, wherein the inner side of the handle is rotationally connected with the connecting rod, the other end of the connecting rod is rotationally connected with a fixed seat, the right end of the fixed seat is fixedly connected with a guide rod, the middle part of the outer side of the guide rod is slidably connected with a base, the left end of the base is rotationally connected with the handle, the inner side of the right end of the base is fixedly connected with a fixed shearing tool bit through threads, and the right end of the fixed shearing tool bit is detachably connected with a circular; the utility model discloses in, through the circular knife shearing mechanism, special-shaped knife shearing mechanism, handle, connecting rod and the base that set up, be convenient for carry out the trompil to the burglary-resisting door as required, the hand only needs to exert very little power simultaneously and can accomplish the hole cutting operation, is convenient for use when the construction.

Description

Hole cutting pliers for hole changing of security door

Technical Field

The utility model relates to a mechanical tool technical field specifically is a cut hole pincers that is used for burglary-resisting door trompil to change hole.

Background

When a lockset is replaced, the positions of mounting holes are often inconsistent, so that the antitheft door needs to be opened and changed regularly, the conventional method is to use an electric hand drill to mount a drill bit, a step drill, a hole puncher and the like to change the holes, then use wire cutters, files and the like to repair the holes, not only is the noise high, but also the time and labor are wasted, the efficiency is low, especially, the edge of a steel plate cannot be operated by using the drill bit or the hole puncher, only the edge of the steel plate can be ground slowly, or the hole is expanded at a place slightly far away from the edge, so that the opening amount is increased, the strength of the antitheft door is reduced, and the antitheft door is not attractive.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cut hole pincers for burglary-resisting door trompil changes hole to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a cut hole pincers for burglary-resisting door trompil changes hole, includes handle and connecting rod, the handle inboard is rotated with the connecting rod and is connected, the connecting rod other end is rotated and is connected with the fixing base, fixing base right-hand member fixedly connected with guide bar, guide bar outside middle part sliding connection has the base, the base left end is rotated with the handle and is connected, the inboard fixed shearing tool bit that has through screw thread fixedly connected with of base right-hand member, fixed shearing tool bit right-hand member can be dismantled and be connected with circular knife shearing mechanism or special-shaped knife shearing mechanism.

Preferably, circular knife shearing mechanism includes first tool connector and circular knife shearing head, first tool connector left end inboard is through screw thread and guide bar fixed connection, first tool connector right end inboard is through screw thread and circular knife shearing head fixed connection, the first tool connector outside with fixed shearing tool bit sliding connection.

Preferably, the special-shaped cutter shearing device comprises a second cutter connector and a special-shaped cutter shearing head, the inner side of the left end of the second cutter connector is fixedly intercepted with the guide rod through threads, and the outer side of the second cutter connector is in sliding connection with the fixed shearing cutter head.

Preferably, the inner side of the right end of the second cutter connector is fixedly connected with a screw through threads, the screw penetrates through the special-shaped cutter shearing head, the outer side of the special-shaped cutter shearing head is slidably connected with an intermediate shearing head, and the inner side of the left end of the intermediate shearing head is fixedly connected with the fixed shearing tool bit through threads.

Preferably, the number of the connecting rods is 2, and the connecting rods are symmetrically distributed on the upper side and the lower side of the guide rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the circular knife shearing device and the special-shaped knife shearing device, when a circular hole needs to be sheared, the circular knife shearing device is installed, the handle is pressed, the handle pushes the connecting rod downwards, the connecting rod pushes the fixed seat to move towards the left side, the fixed seat pulls the guide rod, the guide rod pulls the first knife connector, the first knife connector pulls the circular knife shearing head to move towards the left side, so that the circular knife shearing head is contacted with the left end of the fixed shearing knife head, thereby shearing the steel plate between the two, when the special-shaped hole needs to be sheared, the special-shaped knife shearing device is installed, the handle pushes the connecting rod downwards, the connecting rod pushes the fixed seat to move towards the left side, the fixed seat pulls the guide rod, the guide rod pulls the second knife connector to move towards the left side, the second knife connector pulls the screw rod, the screw rod pulls the special-shaped knife shearing head, the special-shaped knife shearing head, the steel plate between the two is cut, so that the anti-theft door can be conveniently holed according to the requirement;

2. the utility model discloses in, through handle, connecting rod and the base that sets up, during the cut hole, press the handle, the handle right-hand member rotates with the base to be connected, makes the handle left end be lever structure's the arm of force, and this kind of setting can make the increase shearing force, and the hand only needs to exert very little power simultaneously and can accomplish the cut hole operation, is convenient for use when the construction.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the circular knife shearing device of the present invention;

FIG. 3 is a schematic view of the mounting structure of the special-shaped knife shearing device of the present invention;

FIG. 4 is a schematic view of the overall structure of the circular knife cutting head of the present invention;

FIG. 5 is a schematic cross-sectional view of the intermediate shearing head of the present invention;

fig. 6 is a schematic view of the cross-sectional structure of the special-shaped knife shearing head of the present invention.

In the figure: 1-handle, 2-connecting rod, 3-fixing seat, 4-guide rod, 5-base, 6-fixed shearing tool bit, 7-circular knife shearing device, 701-first tool connector, 702-circular knife shearing head, 8-special-shaped knife shearing device, 801-second tool connector, 802-special-shaped knife shearing head, 803-screw rod and 804-middle shearing head.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a cut hole pincers for burglary-resisting door trompil changes hole, including handle 1 and connecting

rod

2, 1 inboard and the connecting rod 2 of handle rotate to be connected, 2 other end rotations of connecting rod are connected with

fixing base

3, 3 right-hand member fixedly connected with guide bar 4 of fixing base, 4 outside middle part sliding connection of guide bar have

base

5, 5 left ends of base are rotated with handle 1 and are connected, 5 right-hand member inboards of base are through the fixed shearing tool bit 6 of screw thread fixedly connected with, 6 right-hand members of fixed shearing tool bit can be dismantled and be connected with circular knife shearing mechanism 7 or special-shaped knife.

The circular knife shearing device 7 comprises a first knife connector 701 and a circular knife shearing head 702, the inner side of the left end of the first knife connector 701 is fixedly connected with a guide rod 4 through threads, the inner side of the right end of the first knife connector 701 is fixedly connected with the circular knife shearing head 702 through threads, the outer side of the first knife connector 701 is connected with a fixed shearing knife head 6 in a sliding mode, the circular knife shearing device 7 can cut round holes on the edge of a steel plate, a handle 1 is pressed, the handle 1 pushes a connecting rod 2 downwards, the connecting rod 2 pushes a fixed seat 3 to move towards the left side, the fixed seat 3 pulls the guide rod 4, the guide rod 4 pulls the first knife connector 701, the first knife connector 701 pulls the circular knife shearing head 702 to move towards the left, the circular knife shearing head 702 is made to be in contact with the left end of the fixed shearing knife head 6, so that the steel plate between the circular knife shearing device and the fixed shearing head is sheared, the special-shaped knife shearing device 8 comprises a, the inner side of the left end of the second cutter connector 801 is fixedly intercepted by a guide rod 4 through threads, the outer side of the second cutter connector 801 is slidably connected with a fixed shearing tool bit 6, the inner side of the right end of the second cutter connector 801 is fixedly connected with a screw rod 803 through threads, the screw rod 803 penetrates through a profiled cutter shearing head 802, the outer side of the profiled cutter shearing head 802 is slidably connected with an intermediate shearing head 804, the inner side of the left end of the intermediate shearing head 804 is fixedly connected with the fixed shearing tool bit 6 through threads, a handle 1 is pressed, the handle 1 pushes a connecting rod 2 downwards, the connecting rod 2 pushes a fixed seat 3 to move towards the left side, the fixed seat 3 pulls the guide rod 4, the guide rod 4 pulls the second cutter connector 801 to move towards the left side, the second cutter connector 801 pulls the screw rod 803, the screw rod 803 pulls the profiled cutter shearing head 802, the profiled cutter shearing head 802 moves towards the left side and is contacted with, the connecting rods 2 are 2 in number, and the connecting rods 2 are symmetrically distributed on the upper side and the lower side of the guide rod 4.

The working process is as follows: when a circular hole needs to be cut, a circular knife cutting device 7 is installed, a handle 1 is pressed, the handle 1 pushes a connecting rod 2 downwards, the connecting rod 2 pushes a fixed seat 3 to move towards the left side, the fixed seat 3 pulls a guide rod 4, the guide rod 4 pulls a first knife connector 701, the first knife connector 701 pulls a circular knife cutting head 702 to move towards the left side, so that the circular knife cutting head 702 is contacted with the left end of a fixed cutting knife head 6, a steel plate between the two is cut, when a special-shaped hole needs to be cut, a special-shaped knife cutting device 8 is installed, the handle 1 is pressed, the handle 1 pushes the connecting rod 2 downwards, the connecting rod 2 pushes the fixed seat 3 to move towards the left side, the fixed seat 3 pulls the guide rod 4, the guide rod 4 pulls a second knife connector 801 to move towards the left side, the second knife connector 801 pulls a screw rod 803, the screw rod 803 pulls the special-shaped knife cutting head 802, the special-shaped knife cutting, the steel plate can be sheared.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cut hole pincers for burglary-resisting door trompil changes hole, includes handle (1) and connecting rod (2), its characterized in that: handle (1) inboard is rotated with connecting rod (2) and is connected, connecting rod (2) other end is rotated and is connected with fixing base (3), fixing base (3) right-hand member fixedly connected with guide bar (4), guide bar (4) outside middle part sliding connection has base (5), base (5) left end is rotated with handle (1) and is connected, base (5) right-hand member inboard is through the fixed cutter head of cuting (6) of screw thread fixedly connected with, fixed cutter head of cuting (6) right-hand member can be dismantled and be connected with circular knife shearing mechanism (7) or special-shaped knife shearing mechanism (8).

2. A hole cutting pliers according to claim 1 for modifying a hole in a security door, wherein: circle sword shearing mechanism (7) are including first cutter connector (701) and circle sword cutting head (702), first cutter connector (701) left end inboard is through screw thread and guide bar (4) fixed connection, first cutter connector (701) right-hand member inboard is through screw thread and circle sword cutting head (702) fixed connection, first cutter connector (701) outside and fixed cutting head (6) sliding connection.

3. A hole cutting pliers according to claim 1 for modifying a hole in a security door, wherein: the special-shaped cutter shearing device (8) comprises a second cutter connector (801) and a special-shaped cutter shearing head (802), the inner side of the left end of the second cutter connector (801) is fixedly intercepted with the guide rod (4) through threads, and the outer side of the second cutter connector (801) is in sliding connection with the fixed shearing cutter head (6).

4. A hole cutting pliers according to claim 3 for modifying a hole in a security door, wherein: the inner side of the right end of the second cutter connector (801) is fixedly connected with a screw rod (803) through threads, the screw rod (803) penetrates through the special-shaped cutter shearing head (802), the outer side of the special-shaped cutter shearing head (802) is slidably connected with an intermediate shearing head (804), and the inner side of the left end of the intermediate shearing head (804) is fixedly connected with the fixed shearing cutter head (6) through threads.

5. A hole cutting pliers according to claim 1 for modifying a hole in a security door, wherein: the number of the connecting rods (2) is 2, and the connecting rods (2) are symmetrically distributed on the upper side and the lower side of the guide rod (4).