CN211940761U

CN211940761U - Portable spanner for mechanical engineering

Info

Publication number: CN211940761U
Application number: CN202020666874.1U
Authority: CN
Inventors: 成茹; 胡江伟; 张道更; 刘静
Original assignee: HEBEI COLLEGE OF SCIENCE AND TECHNOLOGY
Current assignee: HEBEI COLLEGE OF SCIENCE AND TECHNOLOGY
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-11-17
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a portable wrench for mechanical engineering, which comprises a grab handle, a gear assembly at one end of the grab handle and a driving rod at the other end, wherein the driving rod is in transmission connection with the gear assembly, and the gear assembly is provided with a bolt sleeve for clamping a bolt; the gear assembly includes: the driving gear is rotationally connected with the grab handle; the driven gear is meshed with the driving gear, and the grab handle is provided with a fixing block fixedly connected with one end of the gear assembly. The utility model discloses in, set up the gear assembly on the grab handle, the gear assembly comprises drive gear and driven gear, and the other end of grab handle has set up the actuating lever, and it is rotatory to drive gear through rotatory actuating lever, and it is rotatory to further drive driven gear to make the bolt housing rotatory, this design grab handle need not to carry out the rotation of wide angle when handling the bolt, can carry out the rotation of bolt in narrow and small space, thereby make things convenient for the dismouting of bolt.

Description

Portable spanner for mechanical engineering

Technical Field

The utility model relates to a mechanical engineering technical field especially relates to a mechanical engineering is with portable spanner.

Background

Mechanical engineering is an engineering subject which uses the physical law as a mechanical system for analysis, design, manufacture and maintenance, and is an application subject which uses related natural science and technical science as theoretical bases and combines technical experiences in production practice to research and solve all theoretical and practical problems in the development, design, manufacture, installation, application and maintenance of various machines, and in the application of mechanical engineering, a wrench is needed.

The existing spanner still has the weak point when using, and the existing spanner comprises the grab handle and the trepanning that is used for the centre gripping bolt, because the length of grab handle is longer, and mechanical equipment's inner space is most less, can supply grab handle pivoted angle less when the dismouting bolt, so need constantly repeated take off the spanner and sheathe the step of spanner again, lead to the operation inconvenient, bolt installation effectiveness is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, a portable wrench for mechanical engineering is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable wrench for mechanical engineering comprises a grab handle, a gear assembly at one end of the grab handle and a driving rod at the other end of the grab handle, wherein the driving rod is in transmission connection with the gear assembly, and a bolt sleeve for clamping a bolt is arranged on the gear assembly;

the gear assembly includes:

the driving gear is rotationally connected with the grab handle;

the driven gear, driven gear is connected with the drive gear meshing, the grab handle is equipped with the one end fixedly connected with fixed block of gear assembly, and driven gear rotates with the fixed block to be connected.

As a further description of the above technical solution:

the inside of grab handle has the cavity to the axle sleeve is all inlayed at the axial both ends of grab handle, two the same drive shaft has all been run through to the inside of axle sleeve, the axial both ends of drive shaft respectively with drive gear and actuating lever fixed connection.

As a further description of the above technical solution:

the driving gear and the driven gear are both bevel gears.

As a further description of the above technical solution:

the surface of the driving rod is provided with a plurality of lugs which are distributed at equal intervals along the axial direction.

As a further description of the above technical solution:

the bolt sleeve is internally provided with a groove for clamping a bolt.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, set up the gear assembly on the grab handle, the gear assembly comprises drive gear and driven gear, and the other end of grab handle has set up the actuating lever, and it is rotatory to drive gear through rotatory actuating lever, and it is rotatory to further drive driven gear to make the bolt housing rotatory, this design grab handle need not to carry out the rotation of wide angle when handling the bolt, can carry out the rotation of bolt in narrow and small space, thereby make things convenient for the dismouting of bolt.

Drawings

Fig. 1 is a schematic view illustrating an overall structure of a wrench according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating another perspective overall structure of a wrench according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a handle according to an embodiment of the present invention; .

Illustration of the drawings:

1. a handle; 2. a drive gear; 3. a driven gear; 4. a bolt sleeve; 5. a groove; 6. a drive rod; 7. a bump; 8. a fixed block; 9. a drive shaft; 10. and a shaft sleeve.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a portable wrench for mechanical engineering comprises a grab handle 1, a gear assembly at one end of the grab handle 1 and a driving rod 6 at the other end of the grab handle, wherein the driving rod 6 is in transmission connection with the gear assembly, and a bolt sleeve 4 for clamping a bolt is arranged on the gear assembly;

the gear assembly includes: the driving gear 2 is rotationally connected with the grab handle 1; driven gear 3, driven gear 3 is connected with drive gear 2 meshing, the one end fixedly connected with fixed block 8 that grab handle 1 was equipped with the gear assembly, driven gear 3 rotates with fixed block 8 to be connected, overlaps bolt sleeve 4 on the bolt during use, then workman's one hand holds grab handle 1, the rotatory actuating lever 6 of another hand makes bolt sleeve 4 rotatory under the drive of gear assembly to carry out the dismouting of bolt, so can carry out the dismouting of bolt under the condition that grab handle 1 does not rotate.

Specifically, as shown in fig. 3, the inside of the handle 1 has a cavity, and the two axial ends of the handle 1 are respectively embedded with a shaft sleeve 10, the inside of the two shaft sleeves 10 is respectively penetrated with a driving shaft 9, the two axial ends of the driving shaft 9 are respectively fixedly connected with the driving gear 2 and the driving rod 6, and the driving rod 6 drives the driving gear 2 to rotate through the driving shaft 9, so as to further rotate the bolt sleeve 4.

Specifically, as shown in fig. 1, the driving gear 2 and the driven gear 3 both adopt bevel gears, and the bevel gears are used for transmitting motion and power between two intersecting shafts to drive the bolt sleeve 4 to rotate.

Specifically, as shown in fig. 2, the surface of the driving rod 6 is provided with a plurality of projections 7 which are distributed at equal intervals along the axial direction, and the projections 7 can increase friction when a worker grips the driving rod 6, thereby reducing the problem of slippage.

Specifically, as shown in fig. 1, the inside of the bolt sleeve 4 is provided with a groove 5 for clamping the bolt, the shape of the groove 5 is matched with the shape of the bolt, the bolt is embedded in the groove 5 by the clamping bolt, the bolt can be limited by two end faces in the vertical direction of the groove 5, and the limiting effect of the bolt sleeve 4 on the bolt is improved when the bolt is dismounted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The portable wrench for mechanical engineering comprises a grab handle (1), and is characterized by further comprising a gear assembly at one end of the grab handle (1) and a driving rod (6) at the other end of the grab handle, wherein the driving rod (6) is in transmission connection with the gear assembly, and a bolt sleeve (4) for clamping a bolt is arranged on the gear assembly;

the gear assembly includes:

the driving gear (2), the said driving gear (2) is connected with rotary of the grab handle (1);

driven gear (3), driven gear (3) are connected with drive gear (2) meshing, one end fixedly connected with fixed block (8) that grab handle (1) was equipped with the gear assembly, and driven gear (3) rotate with fixed block (8) and are connected.

2. The portable wrench for mechanical engineering according to claim 1, characterized in that the interior of the handle (1) has a cavity, and shaft sleeves (10) are embedded at both axial ends of the handle (1), the same driving shaft (9) penetrates through the interiors of the two shaft sleeves (10), and both axial ends of the driving shaft (9) are respectively fixedly connected with the driving gear (2) and the driving rod (6).

3. A portable wrench as claimed in claim 1, wherein the driving gear (2) and the driven gear (3) are bevel gears.

4. Portable wrench for mechanical engineering according to claim 1, characterised in that the driving rod (6) is provided with a plurality of projections (7) on its surface, which are equally spaced in the axial direction.

5. Portable wrench for mechanical engineering according to claim 1, characterised in that the bolt housing (4) has a recess (5) inside for holding a bolt.