CN220348265U

CN220348265U - Multifunctional combined wrench

Info

Publication number: CN220348265U
Application number: CN202321425682.1U
Authority: CN
Inventors: 邱新华; 高中义; 刘爱东; 邱慧敏
Original assignee: Nanjing United University Machinery Technology Co ltd
Current assignee: Nanjing United University Machinery Technology Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-01-16
Anticipated expiration: 2033-06-06

Abstract

The utility model provides a multifunctional combined wrench, which solves the problem that a conventional wrench is difficult to meet the requirements of disassembly and assembly of a needle beating machine and unscrewing of a fuze, and mainly adopts the following scheme: the handle of screwing pull mouth and square form, handle one end links as an organic wholely with pull mouth after the chamfer is handled, and the slotted formation of the other end is got and is put the pull mouth, it is rotatory that the pull mouth of screwing is used for the fuse centre gripping, and it is slotted into U type external opening with handle axis symmetry, U type external opening inner wall is protruding to have relative clamping piece at both ends, U type opening inner bottom center indent has the arc mouth, the arc mouth with handle axis symmetry, it is used for hitting the needle machine to get to put to get the pull mouth, and it is kept away from the one end top surface indent of screwing the pull mouth by the handle and is formed with U type internal opening, U type internal opening inner bottom has seted up the channel along the handle axis, the handle still has seted up round form through-hole in the below of corresponding U type internal opening inner bottom, the through-hole passes through channel and U type internal opening and links as an organic wholely.

Description

Multifunctional combined wrench

Technical Field

The utility model relates to the technical field of auxiliary tools for dismounting and mounting a gun tail, in particular to a multifunctional combined wrench.

Background

In the existing similar gun equipment in China, a firing mechanism is usually mechanically fired, energy is transmitted to primer by utilizing mechanical impact to enable the primer to be ignited, and for disassembly of a fuze and a needle striking machine in a gun tail, the fuze can correspondingly clamp and rotate or loosen through an external wrench, and the needle striking machine is inconvenient in a conventional manual disassembly mode because the fuze is arranged in the gun tail, and in the army operation, high efficiency is always a requirement.

Therefore, we propose a kind of portable to can satisfy the many function combination spanner that the needle beating machine dismouting and fuse unscrewed simultaneously, in order to deal with the demand to high-efficient operation not.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides xx and xxx.

In order to solve the technical problems, the utility model adopts the following technical scheme: a multi-functional composite wrench, comprising: the handle of screwing pull mouth and square form, handle one end links as an organic wholely with pull mouth after the chamfer is handled, and the slotted formation of the other end is got and is put the pull mouth, it is rotatory that the pull mouth of screwing is used for the fuse centre gripping, and it is slotted into U type external opening with handle axis symmetry, U type external opening inner wall is protruding to have relative clamping piece at both ends, U type opening inner bottom center indent has the arc mouth, the arc mouth with handle axis symmetry, it is used for hitting the needle machine to get to put to get the pull mouth, and it is kept away from the one end top surface indent of screwing the pull mouth by the handle and is formed with U type internal opening, U type internal opening inner bottom has seted up the channel along the handle axis, the handle still has seted up round form through-hole in the below of corresponding U type internal opening inner bottom, the through-hole passes through channel and U type internal opening and links as an organic wholely.

Further, the wall thickness of the screwing spanner opening is 9mm, the space between the inner walls of the U-shaped outer opening is 60mm, and the width of the clamping piece is 27mm and the height of the clamping piece is 3.4mm.

Further, the distances from the two ends of the arc opening to the inner bottom of the U-shaped outer opening are 12.5mm, and the arc opening is a minor arc with the diameter of 40mm.

Further, the wall thickness of the pick-and-place spanner opening is 8.2mm, the distance between the inner walls of the U-shaped inner openings is 7.6mm, the depth of a channel is 14.4mm, the width of the channel is 2mm, the diameter of a through hole is 14mm, and the distance between the top surface of one end of the handle far away from the spanner and the center of the circle of the through hole is 43.5mm.

Further, inclined planes are recessed at two ends of the handle at the position corresponding to the picking and placing spanner opening, and slopes are arranged at two ends of the top of the U-shaped inner opening.

Further, the width of the handle is not less than 24mm, and the length of the handle is not less than 147mm.

Compared with the prior art, the utility model has the beneficial effects that: through getting the firing pin machine and putting and pulling the mouth and screw the mouth and integrate on same spanner, when having guaranteed spanner self function and not influenced, the dismouting process of will two is light and handy, carries more conveniently in the operation of army, and assembly process efficiency is higher, accords with the management theory of the high-efficient operation of army.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 schematically illustrates a front view according to one embodiment of the present utility model;

FIG. 2 schematically shows a left side view according to an embodiment of the utility model;

FIG. 3 schematically shows the cross-sectional view of FIGS. 1A-A according to one embodiment of the present utility model;

FIG. 4 schematically illustrates a cross-sectional view of FIGS. 1B-B in accordance with one embodiment of the present utility model;

fig. 5 schematically shows a process for assembling and disassembling the needle beating machine according to an embodiment of the present utility model.

Reference numerals in the drawings: 1. screwing the spanner opening; 2. a handle; 3. taking and placing a spanner opening; 4. a U-shaped outer opening; 5. a clamping piece; 6. an arc opening; 7. a U-shaped inner opening; 8. a channel; 9. a through hole; 10. an inclined plane; 11. a ramp; 12. a tail; 13. a needle beating machine; 14. and (5) a spanner.

Detailed Description

It is to be understood that, according to the technical solution of the present utility model, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

An embodiment according to the present utility model is shown in connection with fig. 1-5.

For the specific structure of the wrench 14 of the present application, as shown in fig. 1, a multifunctional composite wrench 14 includes: the handle 2 of screwing and pulling mouth 1 and square form, handle 2 one end links as an organic wholely with pulling mouth after the chamfer handles, and the slotted formation of the other end is got and is put and pull mouth 3, screwing and pulling mouth 1 is used for the fuse centre gripping rotation, and it is U type outer opening 4 with handle 2 axisymmetric slotting, U type outer opening 4 inner wall opposite both ends arch has relative clamping piece 5, U type opening inner bottom center indent has arc mouth 6, arc mouth 6 with handle 2 axisymmetric, it is used for the needle breaker 13 to get to put to pull mouth 3, it is kept away from the one end top surface indent of screwing and pulls mouth 1 by handle 2 and is formed with U type inner opening 7, U type inner opening 7 inner bottom has seted up along handle 2 axis corridor 8, handle 2 still has seted up circular form through-hole 9 in the below of corresponding U type inner opening 7 inner bottom, through-hole 9 links as an organic wholely with U type inner opening 7 through corridor 8.

In this embodiment, the structure of the detached tail 12 corresponds to the structure of the wrench opening corresponding to the wrench 14, and the dimensions thereof are as follows:

the wall thickness of the screwing spanner opening 1 is 9mm, the inner wall interval of the U-shaped outer opening 4 is 60mm, and the width of the clamping piece 5 is 27mm and the height of the clamping piece is 3.4mm.

The distance from the two ends of the arc opening 6 to the inner bottom of the U-shaped outer opening 4 is 12.5mm, and the arc opening 6 is a minor arc with the diameter of 40mm.

The wall thickness of the picking and placing spanner opening 3 is 8.2mm, the distance between the inner walls of the U-shaped inner opening 7 is 7.6mm, the depth of the channel 8 is 14.4mm, the width of the channel is 2mm, the diameter of the through hole 9 is 14mm, and the top surface of one end of the handle 2 far away from the spanner 14 is 43.5mm away from the center of the circle of the through hole 9.

The handle 2 is provided with inclined planes 10 at two ends corresponding to the picking and placing spanner opening 3 in a recessed mode, and slopes 11 are arranged at two ends of the top of the U-shaped inner opening 7.

The width of the handle 2 is not smaller than 24mm, the length of the handle 2 is not smaller than 147mm, and the handle 2 is sized to ensure enough grasping strength when the handle 2 is held.

As shown in fig. 5, taking the disassembly of the needle striking machine 13 as an example, the needle striking machine 13 of the combination wrench 14 is inserted into the annular groove at the tail part of the needle striking machine 13 by using the taking and placing wrench opening 3, the needle striking machine 13 can be disassembled by lifting after clamping and outward moving, and the needle striking machine 13 is installed in the opposite direction of fig. 5.

Similarly, when the fuze is screwed, the fuze screwing wrench opening 1 of the wrench 14 is clamped on the corresponding surface of the fuze and then rotates clockwise, so that the fuze can be screwed.

The technical scope of the present utility model is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present utility model, and these changes and modifications should be included in the scope of the present utility model.

Claims

1. A multi-functional composite wrench, comprising: the handle of screwing pull mouth and square form, handle one end links as an organic wholely with pull mouth after the chamfer is handled, and the slotted formation of the other end is got and is put the pull mouth, it is rotatory that the pull mouth of screwing is used for the fuse centre gripping, and it is slotted into U type external opening with handle axis symmetry, U type external opening inner wall is protruding to have relative clamping piece at both ends, U type opening inner bottom center indent has the arc mouth, the arc mouth with handle axis symmetry, it is used for hitting the needle machine to get to put to get the pull mouth, and it is kept away from the one end top surface indent of screwing the pull mouth by the handle and is formed with U type internal opening, U type internal opening inner bottom has seted up the channel along the handle axis, the handle still has seted up round form through-hole in the below of corresponding U type internal opening inner bottom, the through-hole passes through channel and U type internal opening and links as an organic wholely.

2. The multi-functional composite wrench of claim 1, wherein: the wall thickness of the screwing spanner opening is 9mm, the distance between the inner walls of the U-shaped outer openings is 60mm, and the width and the height of the clamping piece are 27mm and 3.4mm.

3. The multi-functional composite wrench of claim 1, wherein: the distance from the two ends of the arc opening to the inner bottom of the U-shaped outer opening is 12.5mm, the arc opening is a minor arc, and the diameter of the arc opening is 40mm.

4. The multi-functional composite wrench of claim 1, wherein: the wall thickness of the pulling opening is 8.2mm, the distance between the inner walls of the U-shaped inner openings is 7.6mm, the channel is 14.4mm deep and 2mm wide, the diameter of the through hole is 14mm, and the top surface of one end of the handle far away from the wrench is 43.5mm away from the center of the circle of the through hole.

5. The multi-functional composite wrench of claim 1, wherein: the handle is provided with slopes in a concave mode at two ends of the position corresponding to the picking and placing spanner opening, and inclined planes are arranged at two ends of the top of the U-shaped inner opening.

6. The multi-functional composite wrench of claim 1, wherein: the width of the handle is not less than 24mm, and the length of the handle is not less than 147mm.