CN212978128U

CN212978128U - Four-in-one ratchet wrench

Info

Publication number: CN212978128U
Application number: CN202021570817.XU
Authority: CN
Inventors: 邹家平; 胡玮玮
Original assignee: Jiangsu Sainty International Group Jiangdu Tool Co ltd
Current assignee: Jiangsu Sainty International Group Jiangdu Tool Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-16
Anticipated expiration: 2030-07-31

Abstract

Four-in-one ratchet wrench. The utility model relates to a spanner instrument especially relates to four unification ratchet wrenches. Provides a four-in-one ratchet wrench which has compact structure, convenient carrying and simple and convenient operation. The technical scheme of the utility model is that: comprises a spanner shell, a spring and a first small spanner; the utility model comprises a spanner shell, a spring and a first small spanner; the first small wrench head is matched with the first quincuncial hole, and one end of the spring in the wrench head shell stretches out and draws back, so that the first quincuncial hole and the quincuncial hole are switched to be used according to requirements. In the scheme, four specifications of hole pulling designs are combined together; when the first quincuncial hole or the second quincuncial hole is used, the first small spanner head or the second small spanner head is pushed through the bolt to compress the spring in the direction of the spring, the bolt is clamped into the first quincuncial hole or the second quincuncial hole, and the screwing or disassembling function of the bolt can be realized by pulling the rotary spanner head shell. The utility model has the characteristics of compact structure, carry conveniently, easy and simple to handle etc.

Description

Four-in-one ratchet wrench

Technical Field

The utility model relates to a spanner instrument especially relates to four unification ratchet wrenches.

Background

A wrench is a common installation and removal tool. Hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage.

The types of wrenches are many, but many wrenches are only suitable for bolts or nuts with fixed specifications, and the functions are too single, taking a fixed wrench as an example, a currently used ratchet double offset ring spanner or double offset ring spanner is generally provided with a wrench hole with one specification at each of two ends of a wrench body plane, and one wrench only has two specifications; when people go on a business trip, a plurality of wrenches have to be carried about, and the operators are inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above problem, provide compact structure, carry convenient, easy and simple to handle four unification ratchet wrenches.

The technical scheme of the utility model is that: comprises a spanner shell, a spring and a first small spanner;

one end of the wrench head shell is provided with a first quincuncial hole;

the first small spanner head is provided with a quincuncial hole I;

the first small wrench head is matched with the first quincuncial hole, and one end of the spring in the wrench shell stretches out and draws back, so that the first quincuncial hole and the quincuncial hole are switched to be used according to requirements.

The other end of the wrench head shell is provided with a second plum blossom hole;

a second small spanner head which is matched with the second plum blossom hole is arranged in the second plum blossom hole;

a second quincuncial hole is formed in the second small spanner head;

the second small wrench head is telescopic at the other end in the wrench head shell through the spring, so that the second plum blossom hole and the second plum blossom hole are switched to be used according to requirements.

The first small wrench head is limited in the wrench head shell through a limiting mechanism.

The limiting mechanism comprises a clamp spring I;

the tail part of the first small spanner head is provided with a clamp spring groove I matched with the clamp spring I;

and a first limiting groove matched with the first clamp spring is formed in the wrench head shell, and the first clamp spring slides in the first limiting groove through the spring.

The tail part of the second small spanner head is provided with a clamp spring groove II;

the clamp spring groove II is provided with a clamp spring II which is matched with the clamp spring groove II;

and a second limiting groove matched with the second clamp spring is formed in the wrench head shell, and the second clamp spring slides in the second limiting groove through the spring.

The outer side surface of the wrench head shell is provided with a connecting part which is convenient for wrenching by a wrench.

The connecting part is an outer gear ring matched with the wrench.

The connecting part is a bayonet matched with the open spanner.

The utility model comprises a spanner shell, a spring and a first small spanner; the first small wrench head is matched with the first quincuncial hole, and one end of the spring in the wrench head shell stretches out and draws back, so that the first quincuncial hole and the quincuncial hole are switched to be used according to requirements. In the scheme, four specifications of hole pulling designs are combined together; when the first quincuncial hole or the second quincuncial hole is used, the first small spanner head or the second small spanner head is pushed through the bolt to compress the spring in the direction of the spring, the bolt is clamped into the first quincuncial hole or the second quincuncial hole, and the screwing or disassembling function of the bolt can be realized by pulling the rotary spanner head shell. The utility model has the characteristics of compact structure, carry conveniently, easy and simple to handle etc.

Drawings

FIG. 1 is a schematic view of the utility model in a partially cut-away three-dimensional structure when in use,

figure 2 is a schematic sectional perspective view of a ratchet wrench used with a wrench head housing,

FIG. 3 is a schematic view of the structure of the utility model in a normal state, partially cut open,

FIG. 4 is a schematic view of a partially cut-away perspective structure of the first quincuncial hole in use,

FIG. 5 is a schematic view of a partially cut-away perspective structure of the second plum blossom hole in use,

in the drawing, 1 is a wrench head shell, 11 is a first quincuncial hole, 12 is a second quincuncial hole, 2 is a spring, 3 is a first small wrench head, 31 is a first quincuncial hole, 4 is a second small wrench head, 41 is a second quincuncial hole, 5 is a limiting mechanism, 51 is a first snap spring, 52 is a second snap spring, 6 is an outer gear ring, 71 is a wrench body, 72 is a shifting block, 73 is a pawl, 74 is a sleeve, and 75 is a small spring.

Detailed Description

Example one

The embodiment is shown in figures 1-5 and comprises a wrench head shell 1, a spring and a first small wrench head 3;

one end of the wrench head shell 1 is provided with a first quincuncial hole 11 matched with a connecting piece or a nut with corresponding specification;

the first small spanner head 3 is provided with a quincuncial hole I31 matched with a bolt or a nut with corresponding specification;

the first small spanner 3 is matched with the first quincunx hole 11 (the first small spanner 3 is limited to rotate in the spanner shell 1), and one end of the spring in the spanner shell 1 stretches out and draws back, so that the first quincunx hole 11 and the first quincunx hole 31 can be switched to use as required.

The other end of the wrench head shell 1 is provided with a second plum blossom hole 12 matched with a connecting piece or a nut with corresponding specification;

a second small spanner head 4 which is matched with the second plum blossom hole 12 is arranged in the second plum blossom hole;

the second small spanner head 4 is provided with a second quincuncial hole 41 matched with a bolt or a nut with a corresponding specification;

the second small wrench head 4 is extended and contracted at the other end in the wrench head shell 1 through the spring, so that the second plum blossom hole 12 and the second plum blossom hole 41 are switched to be used according to requirements.

As shown in fig. 1 and 3, when the first and second

small wrenches

3 and 4 do not use or use a small-sized bolt (a bolt adapted to the first or second small wrench 3 or 4), the jaws of the two small wrenches (the first and second small wrenches 3 and 4) are aligned with the jaw of the wrench case 1. When the first plum blossom hole 11 or the second plum blossom hole 12 is needed to be used, the corresponding first small spanner head 3 or the second small spanner head 4 in the holes is pushed towards the spring direction.

The first small wrench head 3 is limited in the wrench head shell 1 through a limiting mechanism 5.

The limiting mechanism 5 comprises a clamp spring I51;

a first clamp spring groove matched with the first clamp spring 51 is formed in the tail part (one end close to the spring) of the first small spanner head 3;

a first limit groove matched with the first clamp spring 51 is formed in the wrench head shell 1, and the first clamp spring 51 slides in the first limit groove through the spring. The inner ring part of the clamp spring I51 is clamped on the clamp spring groove I, the outer ring part is positioned in the limiting groove I, and the jaw of the first small wrench is enabled to be flush with the jaw of the wrench head shell 1 under the normal state through the combined action of the limiting groove I and the clamp spring I51.

A second clamp spring groove is formed in the tail part (one end close to the spring) of the second small spanner head 4;

a second adaptive clamp spring 52 is arranged on the second clamp spring groove;

a second limiting groove matched with the second snap spring 52 is formed in the wrench head shell 1, and the second snap spring 52 slides in the second limiting groove through the spring. The part, close to the inner ring, of the second clamp spring 52 is clamped on the second clamp spring groove, the part, close to the inner ring, of the second clamp spring, the outer ring is located in the second limiting groove, and the wrench opening of the second small wrench is enabled to be flush with the wrench opening of the wrench head shell 1 in a normal state through the combined action of the second limiting groove and the second clamp spring 52.

During actual production and processing, the first limiting groove and the second limiting groove can be connected into a whole, so that the processing is convenient. The inner diameters of the first limiting groove and the second limiting groove are respectively larger than the inner diameter of the quincuncial hole.

The outer side surface of the wrench head shell 1 is provided with a connecting part which is convenient for wrenching by a wrench.

The connecting part is an outer gear ring 6 matched with the wrench. Here, the wrench includes a wrench body, a shifting block, a pawl, a sleeve and a small spring, which cooperate with the outer gear ring 6 to form the structure and function of the ratchet wrench, and this structure belongs to the prior art, such as the present applicant's utility model patent of the bidirectional ratchet ring spanner with application number CN200820041193.5 applied in 5 months in 2009.

The connecting part can also be made into a bayonet matched with the open spanner. The outer side surface of the wrench shell 1 is symmetrically planed or washed to be a part which is a plane, an opening wrench with a corresponding specification is clamped in a matching mode, and the wrench shell 1 is rotated.

The disclosure of the present application also includes the following points:

(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;

(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;

the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.

Claims

1. The four-in-one ratchet wrench is characterized by comprising a wrench head shell, a spring and a first small wrench head;

one end of the wrench head shell is provided with a first quincuncial hole;

the first small spanner head is provided with a quincuncial hole I;

2. The four-in-one ratchet wrench according to claim 1, wherein a second plum blossom hole is formed at the other end of the wrench head housing;

a second quincuncial hole is formed in the second small spanner head;

3. The four-in-one ratchet wrench according to claim 1, wherein the first small wrench head is limited in the wrench head housing by a limiting mechanism.

4. The four-in-one ratchet wrench according to claim 3, wherein the limiting mechanism comprises a first snap spring;

5. The four-in-one ratchet wrench according to claim 2, wherein a second clamp spring slot is formed in the tail of the second small wrench head;

6. The four-in-one ratchet wrench according to claim 1, wherein the outer side surface of the wrench shell is provided with a connecting portion for facilitating wrench movement.

7. The four-in-one ratchet wrench of claim 6, wherein the connecting portion is an external gear ring adapted to the wrench.

8. The four-in-one ratchet wrench of claim 6, wherein the connecting portion is a bayonet fitting to an open end wrench.