CN214135771U

CN214135771U - Double-end ratchet dual-purpose wrench

Info

Publication number: CN214135771U
Application number: CN202120050474.2U
Authority: CN
Inventors: 汤叶勇
Original assignee: Shanghai Laoai Tools Co ltd
Current assignee: SHANGHAI XINGOU INDUSTRIAL Co.,Ltd.
Priority date: 2021-01-10
Filing date: 2021-01-10
Publication date: 2021-09-07
Anticipated expiration: 2031-01-10

Abstract

The utility model discloses a dual-purpose spanner of double-end ratchet, including shifting wrench, handle, ratchet spanner and ratchet main part, the one end of handle is provided with the shifting wrench, and the central position department of the inside of shifting wrench forms first operation chamber, the inner wall of shifting wrench is provided with open ratchet structure, the other end of handle is provided with the ratchet spanner, and the central position department of ratchet spanner is provided with the plum blossom ratchet and turns round, the inside central position department of plum blossom ratchet turns round forms second operation chamber. The utility model discloses an install the handle, the one end of handle is provided with shifting wrench, and the other end is provided with ratchet spanner, the structural style of double-end for do benefit to and install and dismantle the operation to the nut or the fastener of two kinds of specifications, convenient operation, it is quick laborsaving, be provided with the plum blossom ratchet in the ratchet spanner and turn round, adopt 72 tooth ratchet, the angle is littleer, rotate only need 5 degrees, be fit for the operation in narrow and small space.

Description

Double-end ratchet dual-purpose wrench

Technical Field

The utility model relates to a spanner instrument technical field specifically is a dual-purpose spanner of double-end ratchet.

Background

The ratchet wrench is a manual screw tightening tool, is used for disassembling and assembling parts, is widely applied, has the working efficiency far higher than that of a common wrench, and has the following problems that along with the rapid development of science and technology, the equipment is continuously upgraded, the industry is continuously innovated, the application of the ratchet wrench is particularly obvious for improving the working efficiency, most of the existing ratchet wrenches have simple structures and single functions;

1. most of the existing ratchet wrenches are of single-head structures, and only nuts of single specification can be operated when the ratchet wrenches are used, so that the ratchet wrenches are inconvenient to use;

2. the double offset ring ratchet wheel rotating head of the existing ratchet wrench is not easy to disassemble and replace, and has limitation in use;

3. the existing ratchet wrench has lower structural strength, is easy to wear after long-time use, and does not have an anti-skid and anti-falling structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual-purpose spanner of double-end ratchet to solve the simple structure who proposes in the above-mentioned background art, use inconvenient, be unfavorable for changing the problem that the plum blossom ratchet turned round and easily worn and torn.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dual-purpose spanner of double-end ratchet, includes shifting wrench, handle, ratchet spanner and ratchet main part, the one end of handle is provided with the shifting wrench, and the central position department of the inside of shifting wrench forms first operation chamber, the inner wall of shifting wrench is provided with opening ratchet structure, the other end of handle is provided with the ratchet spanner, and the central position department of ratchet spanner is provided with the plum blossom ratchet and turns round, the inside central position department of plum blossom ratchet turns round forms second operation chamber.

Preferably, the corrosion-resistant layer is uniformly coated on the outer side of the handle and made of polytetrafluoroethylene, so that the service life is prolonged.

Preferably, a circular through groove is formed in the central position inside the ratchet wrench, and the plum blossom ratchet rotor is inserted into the circular through groove, so that the disassembly and replacement of the plum blossom ratchet rotor are facilitated.

Preferably, the inner wall of the plum blossom ratchet head is provided with a ratchet main body, and the ratchet main body is a 72-tooth ratchet, so that the ratchet is suitable for operation in narrow space.

Preferably, four corners inside the circular through groove are all provided with the groove of ending, the outside that the plum blossom ratchet turned round evenly is provided with and ends the rotation block that groove phase-match, avoids appearing relative rotation between plum blossom ratchet turned round and the ratchet spanner, stability and compactness when increasing the connection.

Preferably, the ratchet wheel main body and the open ratchet wheel structure are both forged from CR-V chrome vanadium steel, and have stable chemical properties, high strength, good torque and toughness and low possibility of abrasion.

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

(1) this dual-purpose spanner of double-end ratchet is through installing the handle, and the one end of handle is provided with shifting wrench, and the other end is provided with ratchet spanner, the double-end structural style for do benefit to and install and dismantle the operation to the nut or the fastener of two kinds of specifications, convenient operation, it is quick laborsaving, be provided with the plum blossom ratchet in the ratchet spanner and turn round, adopt 72 tooth ratchet, the angle is littleer, rotate only need 5 degrees, be fit for the operation in narrow and small space.

(2) This dual-purpose spanner of double-end ratchet is through installing circular logical groove, the plum blossom ratchet is turned round, only changes the groove, only changes the piece and ratchet main part for insert the circular logical groove with the plum blossom ratchet is turned round, do benefit to the dismantlement and the change that the plum blossom ratchet was turned round, in addition, only changes the piece and only changes groove hookup block when connecting, avoids the relative rotation to appear between plum blossom ratchet is turned round and the ratchet spanner, stability and compactness when increasing the connection.

(3) This dual-purpose spanner of double-end ratchet is through being provided with opening ratchet structure in the shifting wrench inner wall for shifting wrench possesses the anti-skidding function of taking off of stopping, and is injured when preventing that the staff from using, can increase the power of stinging simultaneously, promotes torsion, and in addition, opening ratchet structure and ratchet main part are CR-V chromium vanadium steel and forge and form, have stable chemical properties, and intensity is higher, and moment of torsion and toughness are better, are difficult to wearing and tearing.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the partially enlarged cross-sectional structure of the present invention;

fig. 4 is a schematic view of the structure of the plum blossom ratchet rotary head of the present invention.

In the figure: 1. a shifting wrench; 2. a handle; 3. a ratchet wrench; 4. rotating a plum blossom ratchet wheel; 5. a corrosion-resistant layer; 6. a first operating chamber; 7. an open ratchet structure; 8. a circular through groove; 9. a rotation stopping groove; 10. a rotation stopping block; 11. a second operating chamber; 12. a ratchet body.

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. 1-4, the present invention provides an embodiment: a double-end ratchet dual-purpose wrench comprises a shifting wrench 1, a handle 2, a ratchet wrench 3 and a ratchet main body 12, wherein the shifting wrench 1 is arranged at one end of the handle 2, a first operation cavity 6 is formed in the center of the interior of the shifting wrench 1, an opening ratchet structure 7 is arranged on the inner wall of the shifting wrench 1, the ratchet wrench 3 is arranged at the other end of the handle 2, a double offset ring ratchet rotary head 4 is arranged at the center of the ratchet wrench 3, a second operation cavity 11 is formed in the center of the interior of the double offset ring ratchet rotary head 4, the ratchet main body 12 is arranged on the inner wall of the double offset ring ratchet rotary head 4, the ratchet main body 12 is a 72-tooth ratchet, the angle is smaller, the rotation is only 5 degrees, and the double offset ring ratchet dual-purpose wrench is suitable for operation in a narrow space;

a circular through groove 8 is formed in the center of the interior of the ratchet wrench 3, and the plum blossom ratchet rotor 4 is inserted into the circular through groove 8, so that the disassembly and replacement of the plum blossom ratchet rotor 4 are facilitated;

the four corners inside the circular through groove 8 are provided with the rotation stopping grooves 9, the outer side of the plum blossom ratchet rotary head 4 is uniformly provided with the rotation stopping blocks 10 matched with the rotation stopping grooves 9, so that the relative rotation between the plum blossom ratchet rotary head 4 and the ratchet wrench 3 is avoided, and the stability and the tightness during connection are improved;

the corrosion-resistant layer 5 is evenly coated on the outer side of the handle 2, the corrosion-resistant layer 5 is made of polytetrafluoroethylene, the service life is prolonged, and the ratchet wheel main body 12 and the opening ratchet wheel structure 7 are both formed by forging CR-V chromium vanadium steel, so that the ratchet wheel has stable chemical properties, high strength, better torque and toughness and low possibility of abrasion.

The working principle is as follows: when in use, one end of the handle 2 is provided with the shifting wrench 1, the other end is provided with the ratchet wrench 3, the double-end structure is convenient to operate and labor-saving, the double-end structure is convenient to install and disassemble nuts or fasteners with two specifications, the double-end structure is convenient to operate and quick and convenient to save, the double-end ratchet head 4 is inserted into the circular through groove 8 on the ratchet wrench 3 to be convenient to disassemble and replace the double-end ratchet head 4, the rotation stopping block 10 is connected and clamped with the rotation stopping groove 9 during connection, the relative rotation between the double-end ratchet head 4 and the ratchet wrench 3 is avoided, the stability and the tightness during connection are improved, the double-end ratchet head 4 is arranged in the ratchet wrench 3, a 72-tooth ratchet is adopted, the angle is smaller, the rotation is only 5 degrees, the double-end ratchet wrench is suitable for the operation in a narrow space, the opening ratchet structure 7 is arranged in the inner wall of the shifting wrench 1, so that the shifting wrench 1 has the functions of preventing falling off and skid and preventing workers from being injured when in use, and meanwhile, the gripping force can be increased, the torsion is improved, and in addition, the opening ratchet wheel structure 7 and the ratchet wheel main body 12 are both formed by forging CR-V chrome vanadium steel, so that the ratchet wheel has stable chemical properties, higher strength, better torque and toughness and difficult abrasion.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dual-purpose spanner of double-end ratchet, includes shifting wrench (1), handle (2), ratchet spanner (3) and ratchet main part (12), its characterized in that: the one end of handle (2) is provided with shifting wrench (1), and the central position department of the inside of shifting wrench (1) forms first operation chamber (6), the inner wall of shifting wrench (1) is provided with opening ratchet structure (7), the other end of handle (2) is provided with ratchet wrench (3), and the central position department of ratchet wrench (3) is provided with double offset ring ratchet head (4), the central position department of the inside of double offset ring ratchet head (4) forms second operation chamber (11).

2. The dual-head ratchet wrench as claimed in claim 1, wherein: the corrosion-resistant layer (5) is evenly coated on the outer side of the handle (2), and the corrosion-resistant layer (5) is made of polytetrafluoroethylene.

3. The dual-head ratchet wrench as claimed in claim 1, wherein: a circular through groove (8) is formed in the center of the interior of the ratchet wrench (3), and the plum blossom ratchet rotary head (4) is inserted into the circular through groove (8).

4. The dual-head ratchet wrench as claimed in claim 1, wherein: the inner wall of the plum blossom ratchet rotary head (4) is provided with a ratchet main body (12), and the ratchet main body (12) is a 72-tooth ratchet.

5. The double-ended ratcheting wrench of claim 3, wherein: four corners inside the circular through groove (8) are provided with rotation stopping grooves (9), and rotation stopping blocks (10) matched with the rotation stopping grooves (9) are uniformly arranged on the outer side of the plum blossom ratchet wheel rotating head (4).

6. The double-ended ratcheting wrench of claim 4, wherein: the ratchet wheel main body (12) and the open ratchet wheel structure (7) are both forged by CR-V chromium vanadium steel.