TWM465244U - Ratchet structure for ratchet wrench - Google Patents

Description

Ratchet wrench ratchet structure

The present invention relates to a ratchet structure of a ratchet wrench, in particular, the ratchet of the ratchet is formed in a concave arc shape, and the brake teeth of the brake member are arranged in an outer arc convex shape, and the ratchet and the brake are braked by the ratchet The teeth mesh with each other to achieve the best jamming effect and stability during transmission.

Pressing, generally for the locking and dismounting of different types of bolts or nuts, most of them are used with ratchet wrenches and different sleeves. For the general ratchet wrench 1, please refer to the first figure, the main system The ejector body 10 is provided with a receiving slot 100 and a receiving slot 101. The receiving slot 100 is provided with a through hole 102. The receiving slot 101 is provided with a control handle hole 103. A recessed hole 104 is defined in the wall of the slot body 101. A driving wheel 11 is disposed in the receiving slot 100 of the wrench body 10. An adjusting block 12 is disposed in the receiving slot 101 of the wrench body 10, and the active The gear teeth 110 of the wheel 11 are in mesh with the teeth 120 of the adjusting block 12, the driving wheel 11 is provided with a sleeve column 111, and the middle portion of the other side of the adjusting block 12 is provided with a convex body 121. A concave arc surface 122 is formed on both sides of the convex body 121, and a positioning steel ball 13 and a spring 14 are disposed in the recessed hole 104 of the wrench body 10. The positioning steel ball 13 is disposed on one of the concave blocks of the adjusting block 12. On the curved surface 122, a control handle 15 is disposed on the outer side of the wrench body 10, and the control handle 15 is provided by a shaft 16 The adjusting block 12 is connected to each other, and a blocking piece 17 is disposed on the wrench body 10, and the blocking piece 17 is fixed on the wrench body 10 by a screwing member 18, and the blocking piece 17 is provided with a driving wheel a sleeve hole 170 through which the sleeve post 111 is inserted, and a shaft hole 171 through which the shaft 16 is inserted. Thus, the adjustment lever 12 is rotated by the toggle lever 15 to transfer one end of the adjustment block 12 To abut against the side wall surface of the receiving groove 101 of the wrench body 10, the braking force of the adjusting block 12 is used to achieve the one-way transmission of the driving wheel 11. However, the driving wheel 11 of the ratchet wrench 1 is generally The teeth 120 of the adjusting block 12 are in point or straight line contact when meshing, and cannot be stably meshed and transmitted, so that there is a situation that the jumping teeth and the transmission are not sure, and the effect of the jam braking cannot be surely achieved, and the operation is performed. When the teeth are skipped, a large noise is generated.

This creation department can effectively solve the defects in the use of the conventional ratchet wrench.

The main purpose of this creation is to provide a ratchet wrench ratchet structure, which can provide more stable transmission, and can easily switch the braking direction of the ratchet to achieve the best card braking effect.

The ratchet structure of the ratchet wrench is mainly provided with a body, and one end of the body is provided with a handle, the body is provided with a chamber and a receiving groove, and the receiving slot is connected with the chamber, and the receiving portion is A receiving groove is defined in each of the wall surfaces of the groove, and a through hole penetrating through the cavity is further disposed on the outer wall surface of the body, and a groove is formed on the front surface of the body at the periphery of the receiving chamber and the receiving groove The inner surface of the groove is provided with at least two screw holes; a steering member is disposed in the receiving groove of the body, and the steering member is pivotally disposed in the receiving groove by a control member, the control member The utility model is disposed on the outer wall surface of the body, the steering member is provided with a screw hole; a ratchet is disposed in the housing of the body, the ratchet is provided with a ratchet, one end of the ratchet is provided with a positioning convex body, and the other end is provided The sleeve is provided with a sleeve; the second brake member is disposed opposite to the receiving groove of the body, and the brake member is provided with a brake tooth, and the brake tooth of the brake member is engaged with the ratchet of the ratchet, a spring is disposed on each of the opposite outer sides of the brake member, and the springs are respectively disposed on the spring a cover plate is disposed on the groove of the body, and the cover plate is provided with a through hole corresponding to the screw hole on the groove of the body and The position of the screw hole on the steering member is provided with a through hole, and each of the through holes is provided with a screw, and the screws are respectively screwed on the screw hole of the body and the screw hole of the steering member; the characteristics are: The ratcheting of the ratchet is in a concave arc shape, and the braking teeth of the braking member are arranged in an arc-shaped convex shape with the ratchet in a concave arc shape.

The ratchet structure of the ratchet wrench is characterized in that: the wall surface of the receiving groove of the body is oppositely provided with a fitting groove, and one end of the braking member is provided with a positioning convex body, and the other end of the braking member is provided with a braking device. The positioning convex system of the braking member is embedded in the groove of the body, and the braking gear of the braking member meshes with the ratchet of the ratchet.

The ratchet structure of the ratchet wrench is characterized in that one end of the steering member is a circular arc surface, and the other end of the steering member is a plane in which the two side surfaces are relatively tapered.

The ratchet structure of the ratchet wrench has the advantages of stable switching of the braking direction of the ratchet, and the best card braking effect, and the transmission is extremely stable, and the noise generated during operation can be reduced. .

1‧‧‧ Ratchet Wrench
10‧‧‧Wrench body
100‧‧‧ accommodating slots
101‧‧‧ socket
102‧‧‧through hole
103‧‧‧Control handle hole
104‧‧‧ recessed hole
11‧‧‧Drive wheel
110‧‧‧ teeth
111‧‧‧Sleeve column
12‧‧‧Adjustment block
120‧‧‧ teeth
121‧‧‧ convex
122‧‧‧ concave curved surface
13‧‧‧ Positioning steel balls
14‧‧‧ Spring
15‧‧‧Control handle
16‧‧‧ shaft
17‧‧‧Block
170‧‧‧Sleeve hole
171‧‧‧ shaft hole
18‧‧‧ Screw components
2‧‧‧ Ontology
20‧‧‧Handle
21‧‧ ‧ room
22‧‧‧ accommodating slots
23‧‧‧Support slot
24‧‧‧Inlay
25‧‧‧through hole
26‧‧‧ Groove
27‧‧‧ screw holes
3‧‧‧Steering parts
30‧‧‧Controls
31‧‧‧Arc face
32‧‧‧ plane
33‧‧‧ screw holes
4‧‧‧ratchet
40‧‧‧ ratchet
41‧‧‧ positioning convex
42‧‧‧Sleeve Posts
5‧‧‧Brakes
50‧‧‧ positioning convex
51‧‧‧ brake teeth
52‧‧‧ Spring
6‧‧‧Brakes
60‧‧‧ positioning convex
61‧‧‧ brake teeth
62‧‧‧ Spring
7‧‧‧ Cover
70‧‧‧through hole
71‧‧‧First perforation
72‧‧‧Second perforation
73‧‧‧First screw
74‧‧‧Second screw

The first figure shows an exploded perspective view of a conventional ratchet wrench.
The second figure is a perspective exploded view of the present embodiment.
The third figure is a combined cross-sectional view of the present embodiment.
The fourth figure shows a schematic diagram of switching the braking direction of the ratchet cassette for the present embodiment.
The fifth figure is a schematic diagram of the use of the creative embodiment when it is idling.
The sixth figure shows a schematic diagram of switching the ratchet to the braking direction of another cassette for the present embodiment.

For the purpose of achieving the above-mentioned purpose and effect of the above-mentioned use, a preferred and feasible embodiment will be described, and the details are as follows:

For the embodiment of the present invention, as shown in the second to fourth embodiments, a main body 2 is disposed, and one end of the main body 2 is provided with a handle 20, and the main body 2 is provided with a chamber 21 and a receiving groove 22, The accommodating groove 22 is connected to the accommodating chamber 21, and a receiving groove 23 is formed on the wall surface of the accommodating groove 22, and a wall 24 is disposed on the wall surface of the accommodating groove 22, and the body 2 is provided. The outer side wall surface is further provided with a through hole 25 extending through the chamber 21, and a front surface of the main body 2 is disposed at a periphery of the receiving chamber 21 and the receiving groove 22, and a groove 26 is formed on the outer surface of the receiving portion The at least two screw holes 27 are disposed in the accommodating groove 22 of the main body 2, and the steering member 3 is pivotally disposed in the accommodating groove 22 by a control member 30. 30 is disposed on the outer wall surface of the body 2, one end of the steering member 3 is a circular arc surface 31, and the other end of the steering member 3 is a plane 32 having a relatively tapered shape on both sides, the steering member 3 is provided with a screw hole 33; a ratchet wheel 4 is disposed in the chamber 21 of the body 2, the ratchet 40 of the ratchet wheel 4 is formed in a concave arc shape, and one end of the ratchet wheel 4 is provided with a positioning convex body 41. , One end is provided with a sleeve rod 42; the two brake members 5, 6 are oppositely disposed in the receiving groove 22 of the body 2, and one of the braking members 5, 6 is provided with a positioning protrusion 50, 60, The other ends of the brake members 5, 6 are provided with brake teeth 51, 61, and the brake teeth 51, 61 are engaged with the ratchet teeth 40 of the ratchet 4, and the brake teeth 51, 61 of the brake members 5, 6 The ratchets 40 which are in a concave arc shape are arranged in an outer arc convex shape, and the springs 52 and 62 are respectively disposed on the opposite outer sides of the braking members 5 and 6, and the springs 52 and 62 are respectively arranged. The cover plate 7 is disposed on the recess 26 of the main body 2, and the cover plate 7 is provided with a through hole 70 corresponding to the cover plate 7 A first through hole 71 is defined in the position of the screw hole 27 of the recess 26 of the body 2. The second hole 72 is disposed on the cover plate 7 corresponding to the screw hole 33 of the steering member 3. The first hole is formed. The first screw 73 is disposed in the inner hole 71, and the second screw 74 is disposed in the second through hole 72. Thus, the structure is a ratchet wrench.

When assembling, please refer to the second to fourth figures, the two springs 52, 62 are respectively placed in the two receiving grooves 23 of the body 2, and the two braking members 5, 6 are oppositely disposed in the body 2 In the slot 22, the positioning protrusions 50, 60 of the two brake members 5, 6 are respectively disposed in the two slots 24 of the body 2, and the two brake members 5, 6 are respectively supported by the positioning protrusions 50, 60. The two brake members 5, 6 are respectively located on the two sides of the steering member 3 disposed in the body 2, and the opposite outer sides of the two brake members 5, 6 are respectively disposed. Relying on the springs 52, 62 disposed in the two receiving slots 23 of the body 2, the ratchet 4 is disposed in the chamber 21 of the body 2, so that the positioning protrusion 41 of the ratchet 4 is disposed on the body 2. In the hole 25, the ratchet 4 is in a concave arc-shaped ratchet 40 and meshes with the brake teeth 51, 61 in which one of the brake members 5, 6 is convex, and then covers the cover 7 to the body 2. The first screw 73 and the second screw 74 are respectively disposed in the first through hole 71 and the second through hole 72 of the cover plate 7 , and the first screw 73 is screwed to the groove of the body 2 . In the screw hole 27 on the 26, the second screw 74 is screwed The steering in the screw holes 33 on the 3, 4 and the ratchet sleeve 42 of the connecting rod extending through the through hole 707 in the cover plate, thus, to complete the assembly as a whole.

When using, please refer to the fourth to sixth figures. When the body 2 is to be used with a clockwise force, the control member 30 only needs to be turned counterclockwise (as shown in the fourth figure), and the control member 30 is When the steering member 3 is rotated, the arc surface 31 of the steering member 3 is pushed outwardly by one of the braking members 5, so that the braking teeth 51 of the braking member 5 are disengaged from the ratchet teeth 40 of the ratchet 4, and the braking member 5 is The spring 52 is compressed on one side to make the spring 52 elastically compressed, and the other brake member 6 is elastically resisted by the other spring 62 against the accommodating groove 22 of the body 2 because it is not resisted by the steering member 3. The intermediate rotation is such that one side of the other brake member 6 abuts against one of the planes 32 of the steering member 3, and the brake teeth 61 of the other brake member 6 engage with the ratchet teeth 40 of the ratchet wheel 4, When the body 2 is used for clockwise rotation, the ratchet 40 of the ratchet 4 is in a locked state with the brake teeth 61 of the brake member 6, so that the ratchet 4 cannot rotate counterclockwise, and the ratchet 4 is sleeved. The sleeve tool (not shown) on the sleeve post 42 can disassemble or lock the components such as the nut or the bolt, and push the body 2 counterclockwise. When the brake teeth 61 of the brake member 6 are pushed against the ratchet teeth 40 of the ratchet wheel 4, the spring 62 of one side of the brake member 6 is slightly compressed by the brake member 6, and the ratchet teeth 40 of the ratchet wheel 4 can push against the brake member 6. The brake tooth 61 is in a state of elastic jumping, so that the ratchet wheel 4 is in a braking state when the body 2 is used in a clockwise direction, and the ratchet wheel 4 can be rotated clockwise when the body 2 is pushed in the reverse direction, so that the ratchet wrench can be facilitated. When the control member 30 is pulled to the intermediate position (as shown in FIG. 5), the control member 30 drives the steering member 3 to rotate, and the connection point between the circular arc surface 31 of the steering member 3 and the plane 32 is The two brake members 6 are moved outwardly, and the two brake members 5 and 6 are respectively elastically compressed by the two springs 52 and 62, and the two brake members 5 and 6 are not meshed with the ratchet teeth 40 of the ratchet 4, and the body is When the 2 is pulled, the ratchet 4 is formed into an idling state; in addition, when the body 2 is to be reversely biased and applied by the counterclockwise force, the control member 30 only needs to be pulled clockwise, and the control member 30 drives the steering member 3 Rotating clockwise, the arcuate surface 31 of the steering member 3 is pushed outwardly by the other brake member 6 (as shown in the sixth figure). The brake tooth 61 of the other brake member 6 is disengaged from the ratchet tooth 40 of the ratchet wheel 4, and the other brake member 6 compresses the spring 62 provided on one side, so that the spring 62 is in an elastic compression state, and the brake member 5 is not When the steering member 3 is resisted, the spring 52 is elastically biased to the middle of the receiving groove 22 of the body 2, so that one side of the braking member 5 abuts against the other plane 32 of the steering member 3, and the The brake teeth 51 of the brake member 5 are engaged with the ratchet teeth 40 of the ratchet wheel 4. When the body 2 is used counterclockwise, the ratchet teeth 40 of the ratchet wheel 4 are in a locked state with the brake teeth 51 of the brake member 5. The ratchet 4 can not be rotated clockwise, and the sleeve tool (not shown) sleeved on the sleeve post 42 of the ratchet 4 can disassemble or lock the components such as the nut or the bolt. In this way, by the ratchet teeth 40 of the ratchet wheel 4 and the braking teeth 51, 61 of the two brake members 5, 6 are respectively meshed and positioned, the effect of the jam braking can be surely achieved, and there is no possibility that the slippage can not be braked, and The concave arc-shaped ratchet 40 provided by the ratchet 4 cooperates with the arc-shaped brake teeth 51, 61 provided by the two brake members 5, 6. Contacting engagement with each other so that the area increase, so does the nip and drive more stable, and therefore do not have tooth skipping, the case where the drive does not produce, can reduce the noise generated by the operation.

In summary, the present invention has achieved the intended use and effect, and is more desirable and practical than the prior art. However, the above embodiments are only specifically described for the preferred embodiment of the present invention. This embodiment is not intended to limit the scope of the present invention, and all other equivalents and modifications may be included in the scope of the invention covered by the present invention.

2‧‧‧ Ontology

20‧‧‧Handle

21‧‧ ‧ room

22‧‧‧ accommodating slots

23‧‧‧Support slot

24‧‧‧Inlay

25‧‧‧through hole

26‧‧‧ Groove

27‧‧‧ screw holes

3‧‧‧Steering parts

30‧‧‧Controls

31‧‧‧Arc face

32‧‧‧ plane

33‧‧‧ screw holes

4‧‧‧ratchet

40‧‧‧ ratchet

41‧‧‧ positioning convex

42‧‧‧Sleeve Posts

5‧‧‧Brakes

50‧‧‧ positioning convex

51‧‧‧ brake teeth

52‧‧‧ Spring

6‧‧‧Brakes

60‧‧‧ positioning convex

61‧‧‧ brake teeth

62‧‧‧ Spring

7‧‧‧ Cover

70‧‧‧through hole

71‧‧‧First perforation

72‧‧‧Second perforation

73‧‧‧First screw

74‧‧‧Second screw

Claims (3)

The ratchet structure of the ratchet wrench is provided with a body, and one end of the body is provided with a handle, the body is provided with a chamber and a receiving groove, and the receiving groove is connected with the chamber, and the receiving groove is A through hole is defined in each of the wall surfaces, and a through hole is formed in the outer wall surface of the body, and a groove is formed in the front surface of the body on the front surface of the body and the receiving groove. The inner surface of the groove is provided with at least two screw holes; a steering member is disposed in the receiving groove of the body, and the steering member is pivotally disposed in the receiving groove by a control member, and the control member is provided The steering member is provided with a screw hole on the outer wall surface of the body; a ratchet is disposed in the housing of the body, the ratchet is provided with a ratchet, one end of the ratchet is provided with a positioning convex body, and the other end is provided with a positioning convex body The sleeve is disposed on the receiving groove of the body, and the brake member is provided with a brake tooth, and the brake tooth of the brake member is engaged with the ratchet of the ratchet, and the brake is a spring is disposed on each of the opposite outer sides, and the springs are respectively disposed on the body a cover plate is disposed on the groove of the body, and the cover plate is provided with a through hole corresponding to the screw hole on the groove of the body and the steering Each of the holes is provided with a through hole, and each of the holes is provided with a screw, and the screws are respectively screwed on the screw hole of the body and the screw hole of the steering member;
The utility model is characterized in that: the ratchet of the ratchet is arranged in a concave arc shape, and the braking teeth of the braking member are arranged in an outward arc convex shape with the ratchet teeth having a concave arc shape. The ratchet structure of the ratchet wrench of the first aspect of the invention, wherein the wall of the receiving groove of the body is oppositely provided with a slot, and one end of the braking member is provided with a positioning protrusion, and the braking member The other end is provided with a brake tooth, and the positioning convex system of the brake member is embedded in the groove of the body, and the brake tooth of the brake member meshes with the ratchet of the ratchet. The ratchet structure of the ratchet wrench according to the first aspect of the invention, wherein one end of the steering member is a circular arc surface, and the other end of the steering member is a plane in which the two side surfaces are relatively tapered.