TWM520963U - Structure of ratchet spanner - Google Patents

Description

Ratchet wrench structure

This creation is about a "ratchet wrench structure", especially a ratchet wrench that is easy to adjust for different operating sizes.

According to the conventional wrench structure, there are many kinds of common wrenches; common open-end wrenches are used for users to loosen or tighten the hexagonal screw heads. However, if the hexagonal screw heads are of different sizes, they need to be replaced. It is very troublesome to use different sizes of open-ended wrenches; or the user will use a vise to loosen or tighten the hexagonal screw heads. However, these vises are not only heavier, but they cannot be as simple as a ratchet wrench. The operation is reversed and repetitive, so it is not suitable for ergonomic operation.

Moreover, in order to achieve an easy and labor-saving operation mode, the user mostly uses a ratchet wrench tool, which has a grip, one end of the grip has a ratchet head, and the ratchet head is internally provided with a ratchet structure, and the ratchet wheel The top surface of the head is provided with a rafter, and the rafter can switch the ratchet structure to enable the ratchet structure to interlock with the operating portion; however, the conventional ratchet wrench must be fitted with a sleeve on the operating portion when in use. In this way, the user can loosen or tighten the hexagonal screw head. However, if the hexagonal screw head of different sizes is to be loosened or tightened, the original sleeve needs to be removed and then reinstalled. Into the sleeves of different sizes, such repeated operation is very inconvenient; The lack of a well-known structure is necessary to further improve it.

In view of the fact that there are still some improvements in the current structure, the creator has been engaged in the multi-year production and sales experience of related products, and has been thinking about the existing problems and pondering the improvement methods. After many improvements and tests, he finally created a ratchet. Wrench structure.

Therefore, the main purpose of the present invention is to provide a ratchet wrench structure that is convenient for the user to operate and saves time and effort.

Another object of the present invention is to provide a ratchet wrench structure that can be fastened during operation to avoid loosening.

In order to achieve the above object, the present invention provides a ratchet wrench structure, comprising: a handle, one end of the handle has a head having a bore and a receiving hole, and a positioning component is disposed in the receiving hole; a raft having one side having two recesses, and the raft has two jaws on one side of the two recesses, and the raft is mounted in the head of the handle, and is dialed a hollow cover body, the cover system is installed in the bore of the handle, and the bottom surface of the cover body is respectively provided with two notches, and the inner edge of the cover body has a curved guide groove Each of the adjacent sides of the guide groove has a row of teeth, and the guide groove is provided for a fixing component, and the fixing component is composed of a perforated displacement column and a grooved pressing handle, The set position of the displacement column has a hook tooth, and the displacement column is disposed in the guide groove, and the piercing end is pivotally disposed in the slot of the pressure handle; an external ratchet head of the ratchet head There is a hollow in the center, The hollow portion is provided with two convex abutting portions, and the set position of the ratchet head is provided with a hole for receiving the displacement column, and the top and bottom surfaces of the ratchet head are respectively provided with two curved guiding grooves, and The ratchet head is mounted in the cover body; and the opposite sides of the two clamping members respectively have two extending pieces, and the opposite sides of the two extending pieces respectively have a biasing guide column, and the opposite side The two clamping members are respectively disposed in the hollow portion of the ratchet head, so that the biasing guide columns are respectively received in the guiding grooves of the ratchet head; a locking plate of the pupil, the locking plate is locked on the The head of the handle is such that the ratchet head does not come out.

Wherein, the positioning component is composed of a spring and a steel ball.

Wherein, a cover edge is provided on one side of the outer periphery of the cover body, and the cover body is installed in the head of the handle.

Wherein, the outer periphery of the cover body is provided with a slip preventing pattern.

Wherein, the two clamping members are in the shape of a dome.

The following description of the preferred embodiment of the present invention is further described below in order to enable those skilled in the art to practice the present invention to be implemented in accordance with the present specification.

10‧‧‧Handle

11‧‧‧ head

111‧‧‧镂孔

112‧‧‧ accommodating holes

20‧‧‧ Positioning components

21‧‧‧ Spring

22‧‧‧ steel balls

30‧‧‧掣子

31‧‧‧ recess

32‧‧‧claw

33‧‧‧

40‧‧‧ cover

41‧‧‧ gap

42‧‧‧Guide

43‧‧‧ teeth

44‧‧‧ 挡缘

45‧‧‧Slip

50‧‧‧Fixed components

51‧‧‧ Displacement column

511‧‧‧Perforation

512‧‧‧ hook teeth

52‧‧‧pressure handle

521‧‧‧ slotting

60‧‧‧ ratchet head

61‧‧‧ external ratchet

62‧‧‧镂空部

63‧‧‧Protruding

64‧‧‧ hole

65‧‧‧Guide

70‧‧‧Clip components

71‧‧‧Extension

711‧‧‧ biased guide column

80‧‧‧ lock plate

81‧‧‧镂孔

The first picture is a three-dimensional appearance of the creation.

The second figure is a three-dimensional exploded view of the creation.

The third figure is a schematic diagram of the partial components of this creation.

The fourth picture is a partial enlarged view of the creation.

The fifth figure is a schematic view of the 4-4 section of the fourth figure.

The sixth figure is a schematic diagram of a partial combination of the creation.

The seventh figure is a schematic view showing the appearance of the operation fixing component of the embodiment of the present creation.

The eighth figure is a schematic diagram of the operation of the embodiment of the present creation (1).

The ninth figure is a schematic diagram of the operation of the embodiment of the present creation (2).

First, with reference to the first to ninth drawings, the present invention is a ratchet wrench structure, comprising: a handle 10 having a bore 111 and a receiving hole 112 at one end of the handle 10. a positioning member 20 is disposed in the receiving hole 112; a latch 30 having a recess 31 on one side of the latch 30, and the latch 30 having two clips on one side of the recess 31 The claw 32 is disposed in the head 11 of the handle 10 and is connected with a lever 33. By the switching of the lever 33, the positioning component 20 is allowed to be different. In the recessed portion 31, the switching effect of the latch 30 is achieved; a hollow cover 40 is mounted in the bore 111 of the handle 10, and the bottom positions of the cover 40 are respectively set. There are two notches 41, and the inner edge of the cover 40 has an arcuate guide groove 42. The guide groove 42 has a row of teeth 43 adjacent to each other, and the guide groove 42 is provided for a fixing component 50. The fixing assembly 50 is composed of a displacement post 51 having a through hole 511 and a pressing handle 52 having a slot 521. The position of the displacement post 51 has a hook tooth 512, and the displacement post 51 is worn. 42 to the guide groove, and in that perforated end 511 is pivotally disposed within the slots 521 of the pressing lever 52; an outer ratchet teeth 61 of the ratchet head 60, the head 60 of the ratchet wheel is provided at the center a hollow portion 62, the hollow portion 62 is convexly provided with two convex abutting portions 63, and the ratchet head 60 is disposed at a set position with a hole 64 for receiving the displacement column 51, and the top of the ratchet head 60 The bottom surface is respectively provided with two curved guiding grooves 65, and the ratchet head 60 is installed in the cover body 40; opposite to the clamping member 70, the opposite sides of the two clamping members 70 respectively have two extending pieces 71. The opposite faces of the two extending pieces 71 respectively have a biasing guide post 711, and the two clamping jaws 70 are respectively installed in the hollow portion 62 of the ratchet head 60, so that the biasing guide columns 711 are respectively accommodated. It is placed in the guide groove 65 of the ratchet head 60; a lock plate 80 having a bore 81 which is locked to the head 11 of the handle 10 so that the ratchet head 60 does not come out.

The positioning component 20 is composed of a spring 21 and a steel ball 22.

The cover 40 has a retaining edge 44 on the outer peripheral side of the cover 40, and the cover 40 is mounted in the head 11 of the handle 10, and is prevented from coming off by the retaining edge 44. The head 10 of the handle 10 is outside.

The outer periphery of the cover 40 is provided with a slip preventing pattern 45.

Wherein, the two clamping jaws 70 are in the shape of a dome.

With the above combination, please continue to refer to the first to the ninth figure, when the user wants to use this creation to loosen or tighten the outer square screw head or the outer hexagon screw head (not shown). Only the two clamping jaws 70 of the present invention need to be placed against the screw head, after which the cover body 40 can be rotated, and the two clamping jaws 70 are adjusted along the irregular hollow portion 62 of the ratchet head 60. The size is required (as shown in the seventh to ninth figures), that is, the clamping member 70 is pushed against the convex abutting portion 63 of the hollow portion 62, thereby clamping the screw head, which can clamp the screw heads 7 of different sizes. 0, after that, the user pivots the pressing handle 52 downward, so that the pressing handle 52 is coupled to the displacement column 51 upwardly, so that the hook teeth 512 of the displacement column 51 are engaged with the teeth 43 of the cover body 40 (as shown in the fourth to the first The five figures can prevent the reverse thrust from loosening the two clamps 70 to change the size of the clamp, so that the cover 40 cannot be rotated, so that the components can be fastened during operation to avoid loosening. The jaws 32 of the catch 30 are used to engage the ratchet teeth 61 outside the ratchet head 60. Thus, the screw head can be easily loosened or tightened, and the overall operation mode is simple and convenient, and does not need to be a conventional structure. Need to go through the complicated removal and installation of the sleeve program, and do not need to prepare sleeves of different sizes, saving time and effort, and being economically practical.

When the screw head is loosened or tightened, the user can pivot the pressing handle 52 upward, so that the pressing handle 52 links the displacement column 51 downward, so that the hook teeth 512 of the displacement column 51 and the teeth 43 of the cover body 40 are arranged. In the disengaged state, the cover body 40 can be rotated, and the cover body 40 can interlock the two clamping members 70 to make the two clamping members 70 away from the screw head, and the overall operation mode is simple and convenient.

In summary, the structure of the ratchet wrench is effective in improving the various shortcomings of the conventional structure, and the main technical means of the creation are not found in any related publications, and it is in line with the application requirements of the new patent, and the application is made according to law. , please ask the bureau to grant the patent right.

10‧‧‧Handle

11‧‧‧ head

111‧‧‧镂孔

112‧‧‧ accommodating holes

20‧‧‧ Positioning components

21‧‧‧ Spring

22‧‧‧ steel balls

30‧‧‧掣子

31‧‧‧ recess

32‧‧‧claw

33‧‧‧

40‧‧‧ cover

41‧‧‧ gap

44‧‧‧ 挡缘

51‧‧‧ Displacement column

52‧‧‧pressure handle

60‧‧‧ ratchet head

61‧‧‧ external ratchet

62‧‧‧镂空部

63‧‧‧Protruding

65‧‧‧Guide

70‧‧‧Clip components

71‧‧‧Extension

711‧‧‧ biased guide column

80‧‧‧ lock plate

81‧‧‧镂孔

Claims (5)

A ratchet wrench structure includes: a handle having a head having a bore and a receiving hole at one end thereof, wherein the receiving hole is provided with a positioning component; a latch, one of the latches The side has two recesses, and the raft has two jaws on one side of the two recesses, and the raft is installed in the head of the handle and is connected with a lever; a hollow cover body, The cover system is disposed in the boring of the handle, and the bottom surface of the cover body is respectively provided with two notches, and the inner edge of the cover body has an arcuate guide groove, and the adjacent sides of the guide groove Each has a row of teeth, and the guiding groove is provided for a fixing component, the fixing component is composed of a perforated displacement column and a grooving pressing handle, and the positioning position of the displacement column has a hook tooth And the displacement column is disposed in the guiding groove, and the perforated end is pivotally disposed in the slot of the pressing handle; an external ratchet head having a hollow portion at the center of the ratchet head, The hollow portion protrudes inwardly from the two convex portions, and the set position of the ratchet head is provided with a hole for the displacement column to be accommodated, and the spine The top and bottom surfaces of the head are respectively provided with two arc-shaped guide grooves, and the ratchet heads are installed in the cover body; and two opposite clamping members, the opposite sides of the two clamping members respectively have two extending pieces, the two The opposite sides of the extension piece respectively have a biasing guide column, and the two clamping pieces are respectively installed in the hollow portion of the ratchet head, so that the biasing guide columns are respectively accommodated in the guiding groove of the ratchet head; A locking plate with a boring plate that is locked to the head of the handle so that the ratchet head does not come out. The ratchet wrench structure of claim 1, wherein the positioning component is composed of a spring and a steel ball. The ratchet wrench structure of claim 1, wherein the outer side of the cover has a retaining edge, and the cover is mounted in the head of the handle. The ratchet wrench structure of claim 1, wherein the outer periphery of the cover body is provided with a slip preventing pattern. The ratchet wrench structure of claim 1, wherein the two jaw members are in the shape of a dome.