CN217966772U

CN217966772U - Wrench device

Info

Publication number: CN217966772U
Application number: CN202221214236.1U
Authority: CN
Inventors: 索瑞; 陈彦; 李勇堂; 韩少杰; 何鸿
Original assignee: China Huaye Group Co Ltd; North China Metallurgical Construction Engineering Construction Co Ltd
Current assignee: China Huaye Group Co Ltd; North China Metallurgical Construction Engineering Construction Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-12-06
Anticipated expiration: 2032-05-20

Abstract

The utility model provides a wrench device belongs to assembling tool technical field, through setting up the front end into triangle-shaped, when using in some comparatively narrow and small spaces, will most advanced deep into narrow and small spaces to press from both sides the bush back on the bolt with the triangle of tip department, can rotate handheld pole, pole rotates in handheld pole drives, and interior pole passes the through-hole and removes to the center of joint portion, and interior pole front end butt of pole is on treating the operation bolt up to interior pole, will treat that the operation bolt restriction is in joint portion. The device is suitable for narrow spaces with more obstacles, and achieves the technical effects of rapidness, high efficiency, time saving and labor saving for bolt tightening operation.

Description

Wrench device

Technical Field

The utility model relates to an assembly tool technical field specifically says, relates to a wrench device.

Background

In a construction scenario, the bolted connections are all over the square. During the bolting process, various wrench tools, such as an electric wrench, a manual wrench or a combination wrench, are used to perform the bolt tightening operation. But has the following disadvantages:

1) In narrow operation scene, the moment of rotation of spanner is little and sheltering from of various operation cabinets leads to having the vision blind area and unable accurate positioning operation position, improves the degree of difficulty for staff's bolt elasticity operation.

2) Bolts of different specifications need to be replaced by different wrench tools, and the workload of workers is further increased.

Therefore, a wrench device which is convenient to operate is needed.

Disclosure of Invention

An object of the utility model is to provide a wrench device has reached the technological effect who promotes bolt elasticity operating efficiency.

A wrench device comprises a clamping part for tightly holding a bolt to be operated and a handheld part connected to the rear end of the clamping part;

the clamping part comprises a triangular opening clamping end and an inner hexagonal opening clamping end; the cross section of the triangular clamping opening is an isosceles triangle; the clamping part is formed by surrounding a clamping frame;

and a hand-held part extends backwards from the rear side wall of the clamping frame.

Further, the preferred structure is that the hand-held part comprises an outer sleeve which is sleeved inside and outside and an inner rod which can be mutually locked with the outer sleeve; the inner rod is movably connected with the outer sleeve;

the inner rod comprises an inner rod front end used for abutting against a bolt to be operated and an inner rod tail end used for being held by hands; the joint of the clamping frame and the handheld part is provided with a through hole, and the front end of the inner rod penetrates through the through hole and extends to the center of the clamping part.

Further, the preferable structure is that an external thread is provided on the outer wall of the inner rod, and an internal thread corresponding to the external thread is provided on the inner wall of the outer sleeve.

Further, it is preferable that a friction portion is provided at the tip of the inner lever.

Further, it is preferable that a hand-held lever is provided at a distal end of the inner lever, and the hand-held lever is provided perpendicular to the inner lever.

Further, it is preferable that the hand-held lever is provided with an anti-slip structure.

Further, the preferred structure is that the cross section of the triangular clamping opening is an isosceles triangle with an included angle of 60 degrees.

Further, the preferred structure is that a rubber pad is arranged on the inner wall of the clamping frame.

As mentioned above, the wrench device of the utility model has reasonable structure, low cost and convenient use; set up to triangle-shaped through setting up the front end, when using in some comparatively narrow and small spaces, will most advanced deep into narrow and small spaces to back on the bolt with the triangle jacket of tip department, can rotate handheld pole, pole rotates in handheld pole drive, and interior pole passes the through-hole and removes to the center of joint portion, and interior pole front end butt up to interior pole will treat the restriction of operation bolt in joint portion on treating the operation bolt. The device is suitable for narrow spaces with more obstacles, and achieves the technical effects of rapidness, high efficiency, time saving and labor saving for bolt tightening operation.

Drawings

Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:

fig. 1 is a schematic structural view of a wrench device according to an embodiment of the present invention;

fig. 2 is a schematic view of an installation scenario of a wrench device according to an embodiment of the present invention;

fig. 3 is a schematic view of another installation scenario of the wrench device according to an embodiment of the present invention.

Wherein,

1. a clamping part; 2. a hand-held portion; 3. a bolt to be operated; 11. clamping the frame; 21. an outer sleeve; 22. an inner rod; 23. the rod is held in the hand.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

It is to be understood that the terms "horizontal," "vertical," "upper," "lower," "top," "middle," "length," "inner," "bottom," and the like are used merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the components or elements so referred to must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, being fixedly connected, releasably connected, or integral to one another; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the prior art, in a narrow operation scene, the operation position cannot be accurately positioned due to the fact that a visual blind area exists due to small rotation torque of a wrench and shielding of various operation cabinets, and the difficulty is improved for bolt tightening and loosening operation of workers; bolts of different specifications need to be replaced by different wrench tools, so that the workload of workers is further increased; the utility model provides a wrench device, through setting up the front end into triangle-shaped, when using in some comparatively narrow and small spaces, will most advanced deep into narrow and small spaces to back on the bolt with the triangle jacket of tip department can rotate handheld pole, and pole rotates in handheld pole drives, and interior pole passes the through-hole and removes to the center of joint portion, and interior pole front end butt of pole is on treating the operation bolt up to, will treat that the operation bolt restriction is in joint portion. The device is suitable for narrow spaces with more obstacles, and achieves the technical effects of rapidness, high efficiency, time saving and labor saving for bolt tightening operation.

Example 1

Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 illustrates the structure of the wrench device as a whole. Specifically, fig. 1 is a schematic structural diagram of a wrench device according to an embodiment of the present invention.

A spanner device comprises a clamping part 1 for tightly holding a bolt 3 to be operated and a handheld part 2 connected to the rear end of the clamping part 1; the clamping part 1 comprises a triangular opening clamping end and an inner hexagonal opening clamping end; the cross section of the triangular clamping opening is an isosceles triangle; the clamping portion 1 is formed by enclosing a clamping frame 11 and extends backwards on the rear side wall of the clamping frame 11 to form a handheld portion 2. That is, the hollow portion of the engaging portion is integrally formed in a diamond shape. It should be noted that the clamping portion 1 is obtained by modifying a clamping portion of a socket head wrench which is commonly used in the prior art, and only the socket head shape of the rear half portion is retained. Wherein, the tip is used as the front end, and the inner hexagonal clamp mouth is arranged at the rear end; the operation space is saved to the maximum extent, and the operation can be conveniently carried out on the position with narrow space; the front end special-shaped design is applicable to bolt connection of different specifications, so that the practicability of the device is greatly improved.

The hand-held part 2 comprises an outer sleeve 21 which is sleeved inside and outside and an inner rod 22 which can be mutually locked with the outer sleeve 21; the inner rod 22 is movably connected with the outer sleeve 21; the inner rod 22 comprises an inner rod front end for abutting against the bolt 3 to be operated and an inner rod tail end for holding; the joint of the clamping frame 11 and the handheld part 2 is provided with a through hole, and the front end of the inner rod penetrates through the through hole and extends to the center of the clamping part.

In a specific embodiment, an external thread is provided on the outer wall of the inner rod 22 and an internal thread corresponding to the external thread is provided on the inner wall of the outer sleeve 21.

It should be noted that the hand-held part and the clamping part provided with the special-shaped end are connected by welding. In the specific operation process, the handheld part plays a role in rotating force; when the inner rod is used for operating nuts of different specifications, the nuts of different specifications are fixed by rotating the length of the inner rod, so that subsequent construction is ensured.

As an improvement of the present embodiment, in order to further improve the convenience of the operation of the hand-held portion, a hand-held lever 23 is provided at the end of the inner lever, and the hand-held lever is disposed perpendicular to the inner lever 22. Specifically, the hand-held lever and the inner lever may be formed integrally with each other in an L-shaped cross section or in a T-shaped cross section. Or the hand-held rod is fixed with the inner rod through welding. The specific connection method is not limited herein. And the design of interior pole and handheld pole has been ensured to different specification bolted connection in-processes for the joint portion of centre gripping is to the fastening degree of nut to the high efficiency of construction has been ensured.

Fig. 2 and 3 are views illustrating an installation scene of the wrench apparatus as a whole. Wherein, fig. 2 is an installation scene of a bolt to be operated which is matched with the inner hexagonal clamp mouth; fig. 3 is an installation scene of a bolt to be operated which is far smaller than the inner hexagonal clamp opening.

As shown in fig. 2, when the tool is used in some narrow spaces, the tip end is inserted into the narrow space, and the triangular clamp at the tip end is sleeved on the bolt, so that the inner hexagonal clamp is matched with the bolt to be operated, and no more moving space exists; the inner rod 22 can be rotated, the inner rod 22 passes through the through hole and moves towards the center of the clamping portion until the front end of the inner rod 22 abuts against the bolt 3 to be operated, and the bolt 3 to be operated is limited in the clamping portion. Then, the hand-held portion 2 is gripped to tighten or loosen the bolt to be operated.

As shown in fig. 3, through setting up the front end into triangle-shaped, when using in some comparatively narrow and small spaces, with the most advanced narrow and small spaces of deepening to with the triangle of most advanced department press from both sides the mouth cover back on the bolt, because it is less to treat the operation bolt, only can not fix through joint portion waiting to operate bolt 3. Can rotate handheld pole 23, handheld pole 23 drives interior pole 22 and rotates, and interior pole 22 passes the through-hole and moves to the center of joint portion, and the interior pole front end butt of interior pole 22 will treat that operation bolt 3 firmly restricts in joint portion on treating operation bolt 3. Then, the hand-held portion 2 is gripped to tighten or loosen the bolt to be operated. The utility model discloses a spanner device is applicable to the more narrow space of barrier very much, and is applicable to the operation bolt of treating of various sizes, reaches swift high-efficient, and labour saving and time saving carries out the technological effect of bolt elasticity operation.

It should be noted that the locking structure for locking the outer sleeve 21 and the inner rod 22 with each other may be, but is not limited to, that the outer sleeve is screwed with the inner rod. The outer sleeve and the inner rod can slide and be locked with each other. For example, the outer sleeve 21 is slidably connected with the inner rod 22, the outer sleeve is provided with a positioning screw, and the front end of the positioning screw is abutted to the inner rod by screwing the positioning screw, so that the two are locked with each other; or a positioning hole can be arranged on the inner rod.

Because the front end of the inner rod is in rigid contact with the bolt to be operated, in order to further protect the inner rod and the bolt to be operated, the front end of the inner rod is provided with a friction part, and the inner wall of the clamping frame 11 is provided with a rubber pad. The friction part and the rubber pad are both resilient friction-increasing structural members. May be, but is not limited to, a rubber pad.

In order to prevent the hand from slipping and further improve the convenience of operation, a slip prevention structure is provided on the hand-held lever 23. The anti-slip structure can be, but is not limited to, a rubber pad, and can also be realized by adding patterns on the handheld rod.

In order to further improve the application range of the triangular clamping opening, the cross section of the triangular clamping opening is an isosceles triangle with an included angle of 60 degrees. That is to say, design into isosceles triangle with special-shaped end position, saved the space of operation end position promptly, can be applicable to the bolted connection of the narrow and small position in space, this triangle design is applicable to the bolted connection of different specifications simultaneously also.

To sum up, the utility model relates to a wrench device is through setting up the front end into triangle-shaped, when using in some comparatively narrow and small spaces, with the pointed end deep into narrow and small spaces to press from both sides the oral area with the triangle of tip department and overlap the back on the bolt, can rotate handheld pole, pole rotates in handheld pole drives, and interior pole passes the through-hole and removes to the center of joint portion, and interior pole front end butt of pole is on treating the operation bolt until interior pole will treat that the operation bolt restriction is in joint portion. The device is suitable for narrow spaces with more obstacles, and achieves the technical effects of rapidness, high efficiency, time saving and labor saving for bolt tightening operation.

However, it will be appreciated by those skilled in the art that various modifications may be made to the wrench device provided by the present invention without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.

Claims

1. A wrench device is characterized in that a wrench device is provided,

the bolt clamping device comprises a clamping part used for tightly holding a bolt to be operated and a handheld part connected to the rear end of the clamping part;

2. The wrench device according to claim 1, wherein the handle includes an outer sleeve that is sleeved inside and outside and an inner rod that is interlocked with the outer sleeve; the inner rod is movably connected with the outer sleeve;

the inner rod comprises an inner rod front end used for abutting against the bolt to be operated and an inner rod tail end used for being held by hands; the joint of the clamping frame and the handheld part is provided with a through hole, and the front end of the inner rod penetrates through the through hole and extends to the center of the clamping part.

3. The wrench device according to claim 2, wherein an external thread is provided on an outer wall of the inner rod, and an internal thread corresponding to the external thread is provided on an inner wall of the outer sleeve.

4. The wrench device according to claim 2, wherein a friction portion is provided at a front end of the inner rod.

5. The wrench device according to claim 2, wherein a hand-held rod is provided at a distal end of the inner rod, the hand-held rod being disposed perpendicularly to the inner rod.

6. A wrench device as claimed in claim 5, in which anti-slip formations are provided on the hand-held lever.

7. The wrench device according to claim 1, wherein the triangular clamping jaw has a cross section in the form of an isosceles triangle with an included angle of 60 °.

8. The wrench device according to claim 1, wherein a rubber pad is provided on an inner wall of the engagement frame.