CN212170223U - One-way ratchet wrench - Google Patents

Abstract

The utility model provides an one-way ratchet spanner belongs to spanner technical field. It has solved the problem that current spanner assembly efficiency is low. The one-way ratchet wrench comprises a wrench body, a ratchet wheel, a tooth block, a spring, a top block and a pressing plate, wherein a containing hole is formed in the head of the wrench body, the ratchet wheel is arranged in the containing hole, a containing groove communicated with the containing hole is formed in the upper surface or the lower surface of the head of the wrench body, the tooth block and the top block are respectively arranged at two ends of the containing groove, the pressing plate is arranged in the containing groove and located above the top block and the pressing plate, the pressing plate is positioned on the wrench body and integrally formed with the pressing plate and the top block, the spring is arranged between the top block and the tooth block, and the tooth block is meshed with and separable from the ratchet wheel. This structure is showing the assembly efficiency who has improved one-way ratchet spanner.

Description

One-way ratchet wrench

Technical Field

The utility model belongs to the technical field of the spanner, a one-way ratchet spanner is related to.

Background

When the ordinary wrench is used for wrenching the screw, the ordinary wrench is influenced by the position of the screw or the nut, and after the ordinary wrench is wrenched for a certain angle, the interference effect of other parts or objects can be caused, so that the wrench cannot be wrenched continuously, the wrench can only be taken down from the screw or the nut firstly, and then the wrench is sleeved on the screw or the nut again by adjusting the angle, so that the screw or the nut can be screwed or unscrewed repeatedly, and particularly under the condition that the rotatable angle is very small, the efficiency is very slow, and the operation is very complicated.

At present, the one-way ratchet wrench in the existing market greatly improves the convenience of assembling and disassembling the screw or the nut, for example, the chinese patent network discloses a one-way ratchet wrench [ grant bulletin number: CN200974205Y, the package rubbing board body, the ratchet props tooth and magnetic coordination piece, plate body one end is equipped with the head, be formed with one on the head and put into the groove and with put into the alcove groove that the groove is linked together, put into the inslot and still inlay to be equipped with circular opening and detain, ratchet props tooth one side and has a tooth portion, the ratchet props the tooth setting in one side of alcove inslot, and support and lean on the lateral wall in alcove groove, the tooth portion that the ratchet propped the tooth meshes with the tooth portion of ratchet with separable mode, the magnetic coordination piece sets up and is equipped with the spring between the one side in alcove inslot and the ratchet props the tooth, the one end and the magnetic coordination piece magnetism fixed connection of spring.

The concave chamber groove of the one-way ratchet wrench is formed in the inner wall of the placing groove, the concave chamber groove is only open towards one end of the placing groove, when the one-way ratchet wrench is assembled, the ratchet support tooth, the magnetic matching block and the spring are sequentially arranged in the placing groove and are arranged in the concave chamber groove through the opening, and due to the fact that the space of the placing groove is small, operation of arranging the ratchet support tooth, the magnetic matching block and the spring in the concave chamber groove is difficult and inconvenient greatly, and the assembling efficiency of the one-way ratchet wrench is greatly influenced; in addition, when the concave chamber groove is machined, holes are required to be formed in the inner wall of the placing groove along the radial direction of the placing groove, and the machining of the concave chamber groove is also difficult due to the fact that the space of the placing groove is small.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an one-way ratchet spanner, the utility model aims to solve the technical problem that: how to improve the assembly efficiency of the one-way ratchet wrench.

The purpose of the utility model can be realized by the following technical proposal:

the one-way ratchet wrench is characterized in that a containing groove communicated with the containing hole is formed in the upper surface or the lower surface of the head of the wrench body, the tooth block and the top block are respectively arranged at two ends of the containing groove, the pressing plate is arranged in the containing groove and located above the top block and the pressing plate, the pressing plate is located on the wrench body and integrally formed with the pressing plate and the top block, the spring is arranged between the top block and the tooth block, and the tooth block is meshed with and separable from the ratchet wheel.

In the process of processing and manufacturing the plate body, the wrench body can be placed on a machine tool, the accommodating groove is formed by processing the upper surface or the lower surface of the wrench body, and a cutter on the machine tool has a large processing space in the processing process, so that the accommodating groove can be conveniently processed on the wrench body; this storage tank is uncovered design towards the one end of spanner upper surface or lower surface, can be directly with the tooth piece, kicking block and spring are directly put into in the storage tank, and integrated into one piece when owing to clamp plate and kicking block, after the kicking block is put into in the storage tank, the clamp plate is located the storage tank and is fixed a position on the spanner body this moment, the clamp plate is spacing from top to bottom to the tooth piece, guarantee that one-way ratchet spanner is located the storage tank all the time in the use tooth piece, at the installation tooth piece, the kicking block, can not receive the holding hole during spring and clamp plate and interfere, very big operating space has when the installation, the assembly efficiency who has showing one-way ratchet spanner has been improved.

In foretell one-way ratchet spanner, the step face has all been seted up on the inner wall in holding hole and the inner wall of storage tank, and two step faces flush mutually, the clamp plate leans on with the step face counterbalance of storage tank, be provided with the holding ring on the step face in holding hole, holding ring and clamp plate integrated into one piece, the ring channel has been seted up to the outer peripheral face of ratchet one end, be provided with the jump ring in the ring channel, the jump ring is located the top of holding ring and leans on with the holding ring counterbalance. Through the setting of this structure, the holding ring is spacing between step face and jump ring, because the holding ring is integrative with the clamp plate for clamp plate and holding ring are fixed a position on spanner together.

In the above one-way ratchet wrench, the pressing plate, the top block and the positioning ring are integrally formed by injection molding. Through the setting of this structure, clamp plate, kicking block and holding ring are the working of plastics to clamp plate, kicking block and the integrative injection moulding's of holding ring structure have greatly made things convenient for the manufacturing of clamp plate, kicking block and holding ring, make one-way ratchet spanner's weight lighter after assembling on pulling the body, improve the convenience that one-way ratchet spanner used.

In the above one-way ratchet wrench, a flange is provided at an end of the ratchet wheel away from the clamp spring, and the flange abuts against the upper surface or the lower surface of the wrench body. Through the arrangement of the structure, when the ratchet wheel is installed, one end of the ratchet wheel without the flanging is inserted into the accommodating hole, the flanging is abutted against the surface of the ratchet wheel, the clamp spring is sleeved in the annular groove at the other end of the ratchet wheel, the clamp spring and the flanging enable the ratchet wheel to be connected to the wrench body, and the ratchet wheel can rotate relative to the wrench body.

In the above one-way ratchet wrench, a mounting hole is formed in an end surface of the top block facing the tooth block, one end of the spring is located in the mounting hole, and the other end of the spring abuts against the tooth block. Through the arrangement of the structure, the spring is convenient to install and position.

Compared with the prior art, the utility model discloses an one-way ratchet spanner has following advantage:

1. this storage tank is uncovered design towards the one end of spanner upper surface or lower surface, can be directly with the tooth piece, kicking block and spring are directly put into in the storage tank, and integrated into one piece when owing to clamp plate and kicking block, after the kicking block is put into in the storage tank, the clamp plate is located the storage tank and is fixed a position on the spanner body this moment, the clamp plate is spacing from top to bottom to the tooth piece, guarantee that one-way ratchet spanner is located the storage tank all the time in the use tooth piece, at the installation tooth piece, the kicking block, can not receive the holding hole during spring and clamp plate and interfere, very big operating space has when the installation, the assembly efficiency who has showing one-way ratchet spanner has been improved.

2. This plate body processing manufacturing's in-process can place the spanner body on the lathe, and the storage tank is processed through at spanner body upper surface or lower surface and is realized, and the sword on the lathe has very big process space in the course of working, and then makes things convenient for the processing of storage tank on the spanner body.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is one of the schematic sectional structural diagrams of the present invention.

Fig. 3 is a second schematic cross-sectional view of the present invention.

Fig. 4 is a schematic diagram of the explosion structure of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the pressing plate, the positioning ring and the top block of the present invention.

In the figure, 1, a wrench body; 11. a housing hole; 12. a containing groove; 2. a ratchet wheel; 21. an annular groove; 22. flanging; 3. a tooth block; 4. a spring; 5. a top block; 51. mounting holes; 6. pressing a plate; 7. a step surface; 8. a positioning ring; 9. and a clamp spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the unidirectional ratchet wrench includes a wrench body 1, a ratchet 2, a tooth block 3, a spring 4, a top block 5 and a pressing plate 6, wherein a containing hole 11 is formed in a head portion of the wrench body 1, the ratchet 2 is disposed in the containing hole 11, a containing groove 12 communicated with the containing hole 11 is formed in an upper surface or a lower surface of the head portion of the wrench body 1, the tooth block 3 and the top block 5 are respectively disposed at two ends of the containing groove 12, the pressing plate 6 is disposed in the containing groove 12 and located above the top block 5 and the pressing plate 6, the spring 4 is disposed between the top block 5 and the tooth block 3, a mounting hole 51 is formed in an end surface of the top block 5 facing the tooth block 3, one end of the spring 4 is disposed in the mounting hole 51, the other end of the spring 4 abuts against the tooth block 3, and the tooth block 3 is engaged with and separable.

Further, step surfaces 7 are arranged on the inner wall of the accommodating hole 11 and the inner wall of the accommodating groove 12, the two step surfaces 7 are aligned, the pressing plate 6 abuts against the step surfaces 7 of the accommodating groove 12, the positioning ring 8 is arranged on the step surfaces 7 of the accommodating hole 11, and the pressing plate 6, the top block 5 and the positioning ring 8 are integrally formed in an injection molding mode. An annular groove 21 is formed in the peripheral surface of one end of the ratchet wheel 2, a clamp spring 9 is arranged in the annular groove 21, the clamp spring 9 is located above the positioning ring 8 and is abutted against the positioning ring 8, a flanging 22 is arranged at the other end of the ratchet wheel 2, and the flanging 22 is abutted against the surface of the wrench body 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (5)

1. A one-way ratchet wrench, which comprises a wrench body (1), a ratchet (2), a tooth block (3), a spring (4), a top block (5) and a pressure plate (6), the head of the wrench body (1) is provided with an accommodating hole (11), the ratchet wheel (2) is arranged in the accommodating hole (11), it is characterized in that the upper surface or the lower surface of the head part of the wrench body (1) is provided with an accommodating groove (12) communicated with the accommodating hole (11), the tooth block (3) and the top block (5) are respectively arranged at two ends of the containing groove (12), the pressing plate (6) is arranged in the containing groove (12) and is positioned above the top block (5) and the pressing plate (6), the pressure plate (6) is positioned on the wrench body (1) and the pressure plate (6) and the top block (5) are integrally formed, the spring (4) is arranged between the top block (5) and the tooth block (3), and the tooth block (3) is meshed with the ratchet wheel (2) and can be separated.

2. The one-way ratchet wrench according to claim 1, wherein step surfaces (7) are formed on the inner wall of the accommodating hole (11) and the inner wall of the accommodating groove (12), the two step surfaces (7) are flush with each other, the pressing plate (6) abuts against the step surfaces (7) of the accommodating groove (12), a positioning ring (8) is arranged on the step surfaces (7) of the accommodating hole (11), the positioning ring (8) and the pressing plate (6) are integrally formed, an annular groove (21) is formed in the outer peripheral surface of one end of the ratchet wheel (2), a snap spring (9) is arranged in the annular groove (21), and the snap spring (9) is located above the positioning ring (8) and abuts against the positioning ring (8).

3. A one-way ratchet wrench according to claim 2, wherein the pressure plate (6), the top block (5) and the retaining ring (8) are integrally injection molded.

4. A one-way ratchet wrench according to claim 2, wherein a flange (22) is provided at the end of the ratchet wheel (2) away from the clamp spring (9), and the flange (22) abuts against the upper surface or the lower surface of the wrench body (1).

5. A one-way ratchet wrench according to claim 1, wherein a mounting hole (51) is formed in an end surface of the top block (5) facing the tooth block (3), one end of the spring (4) is located in the mounting hole (51), and the other end of the spring (4) abuts against the tooth block (3).

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