TWM628192U - ratchet wrench - Google Patents

Abstract

This creation relates to a ratchet wrench, which includes a main body, a rotating seat, two first ratchet blocks, two second ratchet blocks, an adjusting component and a fixing piece. The body includes an accommodating hole and a mandrel. One end of the rotating seat is provided with a driving head, the rotating seat is rotatably arranged in the receiving hole around a first axis, the mandrel rotates around a second axis transverse to the first axis, and one end of the rotating seat A blocking portion is provided, and the two first ratchet blocks are pivoted on the rotating seat. The two second ratchet blocks are pivoted on the rotating seat. The adjusting assembly is rotatably arranged on the rotating base. The fixing piece is detachably mounted on the rotating base, and the blocking portion and the fixing piece are clamped against the main body.

Description

ratchet wrench

This creation is about a ratchet wrench.

Press, generally during the locking operation, hand tools will be used to lock the fasteners to achieve the effect of saving labor. In addition, in order to increase the practicability, there is a ratchet wrench with a ratchet function added on the market, so that the driving head can have the function of one-way idling.

However, due to the relatively complex internal structure of such ratchet wrenches, the failure rate is high, and there are disadvantages that need to be improved urgently.

Therefore, it is necessary to provide a novel and progressive ratchet wrench to solve the above problems.

The main purpose of this creation is to provide a ratchet wrench that can be easily disassembled for maintenance or repair.

In order to achieve the above purpose, the present invention provides a ratchet wrench, which includes a main body, a rotating seat, two first ratchet blocks, two second ratchet blocks, an adjusting component and a fixing member. The main body includes an accommodating hole and a mandrel, the accommodating hole is provided with a first inner ring tooth, and the mandrel is provided with a first outer ring tooth. One end of the rotating seat is provided with a driving head, the rotating seat is rotatably arranged in the receiving hole around a first axis, the mandrel rotates around a second axis transverse to the first axis, and the rotating seat is provided with another There are two second inner ring teeth and two oblique ring teeth, one end of the rotating seat away from the driving head is provided with a blocking part, and the two oblique ring teeth are engaged with the first outer ring teeth. The two first ratchet blocks are symmetrically pivoted on both sides of the rotating seat and abut against the first inner ring teeth. The two second ratchet blocks are pivoted on the rotating seat and are respectively located at two ends of the two first ratchet blocks along the first axial direction, and the two second ratchet blocks are respectively abutted against the two second inner rings tooth. The adjusting assembly is rotatably arranged on the rotating base, and is provided with a first abutting member and two second abutting members. The first abutting member is protruded on two radial sides of the adjusting assembly and springs against the two abutting members. The first ratchet block, and the two second abutting pieces are respectively rebounded against the two second ratchet blocks. The fixing member is detachably installed on an end of the rotating base opposite to the blocking portion, so that the blocking portion and the fixing member are clamped against the main body; wherein, an end of the rotating base away from the blocking portion is further provided with a flange , the outer diameter of the flange is smaller than the minimum inner diameter of the accommodating hole, an accommodating part is formed between the flange and the blocking part, and the two first ratchet blocks and the two second ratchet blocks are pivoted In the accommodating portion, the fixing member is detachably arranged on the flange.

The following examples only illustrate the possible implementation of this creation, but are not intended to limit the scope of protection of this creation, and will be described first.

Please refer to FIGS. 1 to 6 , which show a preferred embodiment of the present invention. The ratchet wrench of the present invention includes a main body 1 , a rotating seat 2 , two first ratchet blocks 3 , two second ratchet blocks 4 , a Adjusting component 5 and a fixing member 6 .

The body 1 includes an accommodating hole 11 and a mandrel 12 . The accommodating hole 11 is provided with a first inner ring tooth 13 , and the mandrel 12 is provided with a first outer ring tooth 14 .

One end of the rotating base 2 is provided with a driving head 21 , the rotating base 2 is rotatably disposed in the receiving hole 11 around a first axial direction L1 , and the spindle 12 rotates around a second axial direction transverse to the first axial direction L1 L2 (ie the extension direction of the main body handle) rotates, the rotating base 2 is further provided with two second inner ring teeth 22 and two inclined ring teeth 23, and one end of the rotating base 2 away from the driving head 21 is provided with a blocking part 24, The two inclined ring teeth 23 mesh with the first outer ring teeth 14 . The driving head 21 is for assembling with a locking tool (such as a bolt or a sleeve).

The two first ratchet blocks 3 are symmetrically pivoted on both sides of the rotating base 2 and abut against the first inner ring teeth 13 .

The two second ratchet blocks 4 are pivoted on the rotating base 2 and are respectively located at two ends of the two first ratchet blocks 3 along the first axial direction L1 , and the two second ratchet blocks 4 abut against the Two second inner ring teeth 22 .

The adjusting assembly 5 is rotatably disposed on the rotating base 2 , and is provided with a first abutting member 51 and two second abutting members 52 , and the first abutting member 51 is protruding from two radial sides of the adjusting assembly 5 . The two second resilient pieces 52 are resilient against the two second ratchet blocks 4 respectively.

A flange 27 is further provided at one end of the rotating base 2 away from the blocking portion 24. The outer diameter of the flange 27 is smaller than the minimum inner diameter of the receiving hole 11, so as to prevent the flange 27 from moving along the first axial direction L1. Interfering with the hole wall of the accommodating hole 11 , an accommodating portion 28 is formed between the flange 27 and the blocking portion 24 , and the two first ratchet blocks 3 and the two second ratchet blocks 4 are pivoted In the accommodating portion 28 , the fixing member 6 is detachably disposed on the flange 27 .

Therefore, when the adjusting component 5 is rotated, the two first abutting members 51 and the two second abutting members 52 can be controlled to drive the two first ratchet blocks 3 and the two second ratchet blocks 4 to swing. The two ends of the two first ratchet blocks 3 are selectively controlled against the first inner ring teeth 13 to control the idling direction of the driving head 21 relative to the main body 1, so that the present invention has the function of one-way idling In addition, by selectively controlling the two second ratchet blocks 4 to abut against the first outer ring teeth 14, the rotation direction of the driving head 21 relative to the rotating spindle is controlled.

The fixing member 6 is detachably mounted on one end of the rotating base 2 opposite to the blocking portion 24 , so that the blocking portion 24 and the fixing member 6 are clamped against the main body 1 . In this embodiment, the fixing member 6 is provided with a through hole 61 , and the driving head 21 is inserted through the through hole 61 . Therefore, when assembling, first insert the rotating base into the main body 1 and the fixing member 6 from the driving head 21 , and then install the fixing member 6 on the rotating base 2 , the fixing member 6 and the blocking portion 24 . The rotating base 2 can be positioned on the main body 1. When maintenance and repairs are required, the fixing member 6 can be disassembled. The rotating base 2 is not restricted by the fixing member 6 and can be attached to the rotating base 2. The two first ratchet blocks 3 and the two second ratchet blocks 4 are taken out for maintenance and repair, which can prolong the service life of the present invention.

Specifically, the hole wall of the receiving hole 11 is further provided with an inner convex ring 15, the first inner ring tooth 13 is disposed on the inner convex ring 15, and the two inclined ring teeth 23 abut against the first axial direction L1. Two opposite end faces of the inner convex ring 15 . Further, one of the second inner ring teeth 22 and one of the oblique ring teeth 23 are disposed on a side of the blocking portion 24 facing the driving head 21 , and a set of rings is detachably sleeved on the rotating base 2 . 26. The collar 26 is provided with another second inner ring tooth 22 and another inclined ring tooth 23. The collar 26 can be disassembled from the rotating seat 2 so that the rotating seat 2 can be disassembled from the main body 1 Pack. In this embodiment, the collar 26 is clamped between the inner convex ring 15 and the fixing member 6 to prevent the collar 26 from being arbitrarily separated from the inner convex ring 15 .

In this embodiment, the flange 27 is provided with a ring groove 271 , the fixing member 6 is an elastic buckle, and the fixing member 6 is detachably sleeved on the ring groove 271 to smoothly remove the fixing member 6 .

Preferably, the adjusting assembly 5 includes a rotating cover 53 and an adjusting piece 54 , the adjusting piece 54 is inserted into the rotating base 2 and can rotate around the first axis L1 , the first abutting piece 51 and the adjusting piece 54 . Two second abutting members 52 are disposed on the adjusting member 54 , the rotating cover 53 is non-rotatably assembled with the adjusting member 54 , and the rotating cover can have a dustproof function and can easily rotate the adjusting member 54 .

The adjustment component 5 is further provided with a return spring 55 , the adjustment piece 54 can slide along the first axis L1 , and the return spring 55 springs against the rotating cover 53 and the adjustment piece 54 to adjust the adjustment The member 54 is normally pushed in a direction away from the driving head 21 .

As shown in FIGS. 7 to 9 , in another embodiment, the flange 27 of the rotating base 2A is provided with an external thread portion 272A, and the fixing member 6A is provided with an internal thread portion screwed with the external thread portion 272A 62A, the fixing member 6 can be disassembled and assembled smoothly in the same way, and the rest of the structure is the same as that of the above-mentioned embodiment, so it will not be described further.

1: Ontology 11: accommodating hole 12: Mandrel 13: The first inner ring tooth 14: The first outer ring tooth 15: Inner convex ring 2, 2A: Rotary base 21: drive head 22: Second inner ring tooth 23: inclined ring teeth 24: Stopper 26: Collar 27: Flange 271: Ring Groove 272A: External thread part 28: accommodating part 3: The first ratchet block 4: The second ratchet block 5: Adjust components 51: The first bounce piece 52: The second spring contact 53: Swivel cover 54: Adjustment pieces 55: Return spring 6, 6A: Fasteners 61: Perforation 62A: Internal thread part L1: the first axis L2: The second axis

FIG. 1 is a perspective view of a preferred embodiment of the creation. 2 and 3 are exploded views of a preferred embodiment of the creation. FIG. 4 is a side sectional view of a preferred embodiment of the invention. FIG. 5 is a top sectional view of a preferred embodiment of the invention. FIG. 6 is another top sectional view of a preferred embodiment of the invention. FIG. 7 is a perspective view of a preferred embodiment of the creation. FIG. 8 is an exploded view of a preferred embodiment of the invention. FIG. 9 is a side sectional view of a preferred embodiment of the invention.

1: Ontology

2: Turning seat

21: drive head

5: Adjust components

53: Swivel cover

6: Fasteners

Claims (9)

A ratchet wrench, comprising: a body, including an accommodating hole and a mandrel, the accommodating hole is provided with a first inner ring tooth, the mandrel is provided with a first outer ring tooth; a rotating seat, one end is provided with a driving head, the The rotating seat is rotatably arranged in the accommodating hole around a first axis, the mandrel rotates around a second axis transverse to the first axis, and the rotating seat is further provided with two second inner ring teeth and two inclined Ring teeth, one end of the rotating seat away from the driving head is provided with a blocking part, the two inclined ring teeth are engaged with the first outer ring teeth; two first ratchet blocks are symmetrically pivoted on two sides of the rotating seat side and abut against the first inner ring tooth; two second ratchet blocks are pivoted on the rotating seat and are respectively located at the two ends of the two first ratchet blocks along the first axial direction, the two second ratchet blocks The tooth blocks are respectively abutted against the two second inner ring teeth; an adjusting component is rotatably arranged on the rotating seat, and is provided with a first abutting piece and two second abutting pieces, and the first abutting piece protrudes on two radial sides of the adjusting component and spring against the two first ratchet blocks, the two second abutting pieces respectively spring against the two second ratchet blocks; a fixing piece is detachably installed on the One end of the rotating seat opposite to the blocking portion, so that the blocking portion and the fixing member are clamped against the main body; wherein, an end of the rotating seat away from the blocking portion is further provided with a flange, and the outer diameter of the flange is smaller than that of the The minimum inner diameter of the accommodating hole, an accommodating portion is formed between the flange and the blocking portion, the two first ratchet blocks and the two second ratchet blocks are pivoted in the accommodating portion, and the fixing member Removably installed on the flange. The ratchet wrench as claimed in claim 1, wherein the hole wall of the receiving hole is further provided with an inner convex ring, the first inner ring teeth are arranged on the inner convex ring, and the two inclined ring teeth abut against the first axial direction on two opposite end faces of the inner convex ring. The ratchet wrench as claimed in claim 2, wherein one of the inner ring teeth and one of the inclined ring gears are provided on a side of the blocking portion facing the driving head, and a set of rings is detachably sleeved on the rotating seat, The collar is provided with another inner ring tooth and another inclined ring tooth. The ratchet wrench of claim 3, wherein the collar is clamped between the inner convex ring and the fixing member. The ratchet wrench according to claim 1, wherein the flange ring is provided with a ring groove, the fixing member is an elastic retaining ring, and the fixing member is detachably sleeved on the ring groove. The ratchet wrench according to claim 5, wherein the flange is provided with an external thread portion, and the fixing member is provided with an internal thread portion screwed with the external thread portion. The ratchet wrench according to claim 1, wherein the fixing member is provided with a through hole, and the driving head is passed through the through hole. The ratchet wrench as claimed in claim 1, wherein the adjustment component comprises a rotating cover and an adjustment piece, the adjustment piece is inserted into the rotating seat and can be rotated around the first axial direction, the first elastic piece and the adjustment piece Two second abutting pieces are arranged on the adjusting piece, and the rotating cover is assembled with the adjusting piece in a non-rotatable manner. The ratchet wrench according to claim 3, wherein the collar is clamped between the inner convex ring and the fixing member; the flange ring is provided with a ring groove, the fixing member is an elastic retaining ring, and the fixing member can be Removably sleeved on the ring groove; the flange is provided with an external thread portion, the fixing member is provided with an internal thread portion screwed with the external thread portion; the fixing member is provided with a through hole through which the driving head passes in the through hole; the adjustment component includes a rotating cover and an adjustment piece, the adjustment piece is inserted into the rotating seat and can rotate around the first axial direction, the first elastic piece and the two second elastic pieces are provided In the adjusting piece, the rotating cover is non-rotatably assembled with the adjusting piece; the adjusting component is further provided with a return spring, the adjusting piece can slide along the first axial direction, and the return spring springs against the rotating cover and the adjustment piece.

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