CN214352057U

CN214352057U - Novel single-end solid wrench for explosion prevention

Info

Publication number: CN214352057U
Application number: CN202120412674.8U
Authority: CN
Inventors: 付安; 何胜起; 陈帅
Original assignee: Cangzhou Dean Explosion Proof Special Tool Manufacturing Co ltd
Current assignee: Cangzhou Dean Explosion Proof Special Tool Manufacturing Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-08
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to the technical field of wrenches, in particular to a novel explosion-proof single-head solid wrench, which comprises a wrench head and a handle, wherein the wrench head is connected with the handle through a connecting block, the wrench head is sequentially provided with a second-level solid mouth, a first-level solid mouth and a third-level solid mouth from top to bottom, the openings and the size depth of the first-level solid mouth, the second-level solid mouth and the third-level solid mouth are sequentially increased, the handle is connected with a square block, the square block is provided with a through groove, an elastic bracelet is arranged inside the through groove, the top end and the bottom end of the wrench head are both provided with air grooves, the wrench head is provided with a safety chamfer, the handle is provided with an insulating anti-skid sleeve, the bottom end and the bottom end of the connecting block are respectively provided with a forward mark and a reverse mark, the square block is provided with an arc chamfer, the material of the wrench head is a mixed material of aluminum bronze and beryllium bronze, the wrench head is convenient for using nuts with different specifications, the practicability is higher, and the possibility of accidentally injuring oneself or others due to the hand-off is reduced, the use reliability is higher.

Description

Novel single-end solid wrench for explosion prevention

Technical Field

The utility model relates to a spanner technical field specifically is explosion-proof novel single-end solid wrench.

Background

As is well known, a wrench is a common mounting and dismounting tool, a lever principle is utilized to turn a bolt, a screw, a nut and other hand tools for tightly clamping an opening or trepanning firmware of the bolt or the nut through threads, and a novel explosion-proof single-end solid wrench needs to be designed for increasing flexibility and convenience.

Through the retrieval, chinese patent is CN 109807783A's utility model patent discloses a single-end solid wrench, its spanner and handle that roughly includes fixed connection, the external member and the handle fixed connection of spanner through its bottom, the external member is the sleeve pipe, the external member passes through positioning bolt and handle fixed connection, and it is when using, realizes adjustably through the spanner by sleeve pipe swing joint, utilizes positioning bolt locking to fix after adjusting.

The above prior art solutions still have the following drawbacks: the nut is inconvenient to use for nuts of different specifications, the practicability is low, and when the nut is used, the nut or other people are easily injured by mistake if the nut is taken off the hand, and the use reliability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an explosion-proof novel single-end solid wrench for use, it is convenient for use the nut of different specifications, and the practicality is higher to it is convenient for reduce because of taking off the hand and accidentally injure oneself or other people's possibility, uses the reliability higher.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: explosion-proof novel single-end solid wrench of using, including wrench and handle, connect through the connecting block between wrench and the handle, the wrench from last to having set gradually second grade staying mouthful, one-level staying mouthful and tertiary staying mouthful down, the opening and the size depth degree that one-level staying mouthful, second grade staying mouthful and tertiary staying mouthful increase gradually in proper order, be connected with the square block on the handle, seted up logical groove on the square block, the inside that leads to the groove is provided with the elasticity bracelet.

Preferably, the top end and the bottom end of the wrench head are both provided with air grooves.

Preferably, the wrench head is provided with a safety chamfer.

Preferably, the handle is provided with an insulating anti-skid sleeve.

Preferably, the bottom end and the bottom end of the connecting block are respectively provided with a forward mark and a reverse mark.

Preferably, an arc-shaped chamfer is arranged on the square block.

Preferably, the top end surface and the bottom end surface of the square block are respectively flush with the top end surface and the bottom end surface of the wrench head.

Preferably, the material of the wrench head is a mixed material of aluminum bronze and beryllium bronze.

(III) advantageous effects

Compared with the prior art, the utility model provides an explosion-proof novel single-end solid wrench that uses possesses following beneficial effect:

1. this explosion-proof novel single-end solid wrench for use through setting up second grade solid mouthful, one-level solid mouthful and tertiary solid mouthful, through setting up the solid mouthful of three kinds of differences, is convenient for use the nut of three kinds of different specifications, consequently, this explosion-proof novel single-end solid wrench for use is convenient for reduce the number of times of changing the spanner, and the practicality is higher.

2. This explosion-proof novel single-end solid wrench that uses, through setting up square piece and elasticity bracelet, when using, operating personnel holds the handle through passing elasticity bracelet with the hand again, consequently, this explosion-proof novel single-end solid wrench that uses is convenient for reduce because of the possibility of the hand-off injure oneself or other people by mistake, and the use reliability is higher.

Drawings

Fig. 1 is a schematic view of a partially cut-away three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is a schematic top plan view of the present invention.

In the figure: 1. a wrench head; 2. a handle; 3. connecting blocks; 4. a second-level dead mouth; 5. a first-level dead mouth; 6. a third-stage mouth is remained; 7. a square block; 8. an elastic bracelet; 9. an air tank; 10. safe chamfering; 11. an insulating anti-slip sleeve; 12. forward identification; 13. reverse identification; 14. and (6) arc chamfering.

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.

Examples

Referring to fig. 1-4, the novel single-head solid wrench for explosion protection comprises a wrench head 1 and a handle 2, the wrench head 1 and the handle 2 are connected through a connecting block 3 for convenient connection, the wrench head 1 is sequentially provided with a second-level solid opening 4, a first-level solid opening 5 and a third-level solid opening 6 from top to bottom, through setting three different solid openings, nuts of three different specifications can be conveniently used, the number of times for replacing the wrench is convenient to reduce, the practicability is high, the openings and the dimension depth of the first-level solid opening 5, the second-level solid opening 4 and the third-level solid opening 6 are sequentially increased, the nuts can be deeply embedded into the wrench openings, the nuts are not easy to slip and fall off when the nuts are applied with force, the handle 2 is connected with a square block 7 for convenient use as a hammer head and convenient to press with a hand for twisting the nuts, the square block 7 is provided with a through groove, an elastic bracelet 8 is arranged inside the through groove, an operator can pass the elastic bracelet 8 and then hold the handle 2, the possibility of accidentally injuring the user or others due to the hand falling off is reduced, and the use reliability is high.

It should be further noted that the top end and the bottom end of the wrench head 1 are both provided with air grooves 9 to reduce the impact and damage of the wrench head 1 on other objects, the handle 2 is provided with an insulating anti-slip sleeve 11 for insulation, providing safety for operators and comfort for holding the handle 2, the bottom end and the bottom end of the connecting block 3 are respectively provided with a forward mark 12 and a reverse mark 13 to increase the forward and reverse recognition function and provide convenience for operators to recognize, the square block 7 is provided with an arc-shaped chamfer 14 for protection, the top end face and the bottom end face of the square block 7 are respectively flush with the top end face and the bottom end face of the wrench head 1 to facilitate flushing, the smoothness of the device is increased, the wrench head 1 is made of a mixed material of aluminum bronze and beryllium bronze, and has a low price, the material is lighter, portable, and the price/performance ratio is higher.

To sum up, this explosion-proof is with novel single-end solid wrench's theory of operation and working process do, when using, at first operating personnel through passing elasticity bracelet 8 with the hand and holding handle 2 again, be convenient for reduce because of taking off the hand and accidentally injure oneself or other people's possibility, use the reliability higher, then the nut model of twisting as required, through one-level staying mouthful 5, second grade staying mouthful 4 and tertiary staying mouthful 6 discerns the nut type number, then will correspond staying mouthful the nut that corresponds of card, then through peaceful kinetic energy handle 2 can, be convenient for reduce the number of times of changing the spanner, the practicality is higher, if twist and get up when comparatively hard, conveniently twist through hand according to square block 7.

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. Explosion-proof novel single-end solid wrench of using, including wrench (1) and handle (2), its characterized in that: connect through connecting block (3) between wrench (1) and handle (2), wrench (1) is from last to having set gradually down second grade and staying mouthful (4), one-level and staying mouthful (5) and tertiary and staying mouthful (6), and the one-level is stayed mouthful (5), the opening and the size depth degree that mouthful (6) were stayed to second grade and tertiary are stayed in proper order, is connected with square piece (7) on handle (2), has seted up logical groove on square piece (7), and the inside that leads to the groove is provided with elasticity bracelet (8).

2. The novel single-end solid wrench for explosion prevention according to claim 1, which is characterized in that: the top end and the bottom end of the wrench head (1) are both provided with air grooves (9).

3. The novel single-end solid wrench for explosion prevention according to claim 2, characterized in that: the wrench head (1) is provided with a safety chamfer (10).

4. The novel single-end solid wrench for explosion prevention according to claim 3, characterized in that: the handle (2) is provided with an insulating anti-skid sleeve (11).

5. The novel single-end solid wrench for explosion prevention according to claim 4, characterized in that: the bottom and the bottom of connecting block (3) are provided with forward sign (12) and reverse sign (13) respectively.

6. The novel single-end solid wrench for explosion prevention according to claim 5, characterized in that: an arc-shaped chamfer (14) is arranged on the square block (7).

7. The novel single-end solid wrench for explosion prevention according to claim 6, characterized in that: the top end surface and the bottom end surface of the square block (7) are respectively flush with the top end surface and the bottom end surface of the wrench head (1).

8. The novel explosion-proof single-end solid wrench as claimed in claim 7, characterized in that: the wrench head (1) is made of a mixed material of aluminum bronze and beryllium bronze.