TW201821222A - Ratchet wrench structure including a main body, a ratchet, an engagement tooth and a steering assembly - Google Patents

Abstract

The present invention relates to a ratchet wrench structure, which includes a main body arranged with a first receiving groove, a second receiving groove, a third receiving groove, a first circle center, a recessed groove, a first abutment surface, a second abutment surface, and a first end surface; a ratchet pivotally arranged in the first receiving groove, wherein the outer edge of the ratchet is arranged with a ratchet part and a sleeve part; an engagement tooth accommodated at one side of the second receiving groove, wherein the engagement tooth is configured to be controlled to move left and right in the second receiving groove, the front side of the tooth is arranged with an engagement part and a recessed arc groove, the recessed arc groove includes two first corners, an upper section of the recessed arc groove is convexly arranged with a bump; a steering assembly pivotally arranged in the third receiving groove of the main body, wherein the steering assembly is configured to rotate to control the engagement tooth to move left and right in the second receiving groove so as to control forward and backward rotation of the ratchet wrench, the steering assembly includes a steering part, a top cap and an elastic element.

Description

   Ratchet wrench structure   

The invention relates to a ratchet wrench structure, in particular a ratchet wrench structure is provided with a concave arc groove and a first corner. The top cap of the steering group is resisted by the elastic force of the elastic element and abuts against the system. At the concave arc groove of the tooth, the top cap is accommodated at the first corner. When the steering member is rotated, the top cap automatically enters the first corner when rotating, and has an automatic positioning effect.

According to my previous knowledge, the conventional ratchet wrench structure is a pre-patent case filed by the inventor, such as U.S. Patent No .: 8929782, Taiwan Patent Application No .: 099135858, Certificate No .: I393607, Patent Name: Ratchet Wrench The patent structure of the structure is: a ratchet wrench structure, comprising: a body 10, one end of which is provided with a handle, and the active end of the body 10 is provided with a first receiving slot 11, which penetrates through, the first A second receiving tank 12 with a smaller diameter is arranged near the handle on one side of the receiving tank 11. The center of the second receiving tank 12 is located in the range of the first receiving tank 11, and the second receiving tank 12 has upper and lower sides. The first receiving groove 11 and the second receiving groove 12 are in communication. The bottom end of the opening of the first receiving groove 11 is provided with a small-diameter abutment edge 14; a ratchet 20, the ratchet 20 is pivoted in the first receiving groove 11, a ratchet portion 21 with annularly arranged teeth is provided on the outer periphery of the ratchet 20, a sleeve portion 22 is provided in the center of the ratchet 20, and a smaller diameter is provided below the ratchet 20 An abutment portion 24 which abuts on the abutment edge 14; a tooth making 30 which is housed in the first On the inner side of the receiving groove 12, a plurality of engaging teeth 31 and a plurality of convex arc teeth 32 are provided on the front side of the teeth 30. The engaging teeth 31 are engaged with the ratchet portion 21, and the valleys connecting the engaging teeth 31 are one. The arc A is the same diameter as the ratchet wheel 20 and the first receiving groove 11. The arc A is provided with a center A1 and a center line A2. The center line A2 is also the center line of the body 10. The bite A plurality of convex arc teeth 32 are provided on one side of the tooth 31, and each convex arc tooth 32 is accommodated in each tooth of the ratchet portion 21, and the peaks of the teeth connecting the bite teeth 31 are an arc C and an arc A An arc D is provided between the arc C and the arc D. The radius of the arc D is between the arc A and the arc C. The arc of the convex tooth 32 is tangent to the arc D and the tooth of the ratchet 21 The sides are tangent. The rear side of the tooth 30 is provided with an arc abutment surface 34 and a ball-receiving groove 35. A distance H1 is formed between the second receptacle 12 and the end of the arc-abutment surface 34. The distance of H1 is greater than the bite 31 The tooth depth is used for the retracting distance. The elastic receiving groove 35 is located at the rear side of the convex arc tooth 32. The elastic receiving groove 35 has an angle N3 between the central axis and the center line A; an elastic element 40, the elastic element. 40 is provided with a first end 41 and a second end 42, the first end 41 is abutted on the wall surface of the second receiving groove 12, and the second end 42 is abutted in the elastic receiving groove 35 of the tooth making 30, and the elastic receiving groove 35 has an angle N3, so that the elastic element The series 40 abuts against the rear side of the teeth 30 at an N3 angle, and the curved surface 341 of the teeth 30 abuts against the wall surface of the second receiving groove 12. The teeth 31 mesh with the ratchet portion 21.

However, the lack of the conventional ratchet wrench structure lies in:

The important feature of the pre-patent case that I applied for is the tooth-making 30. Please supplement the second figure of the bulletin. The tooth-making 30 is provided with a plurality of bite teeth 31 and a plurality of convex arc teeth 32. Is engaged with the ratchet part 21 of the ratchet 20, the plurality of convex arc teeth 32 are provided on the side of the plurality of occlusal teeth 31, and the plurality of convex arc teeth 32 make the ratchet wrench structure only have one-way rotation and cannot have two-way rotation Action effect.

In view of the lack of the above-mentioned conventional ratchet wrench structure, the present inventor finally came to the market with a ratchet wrench structure which can solve the shortcomings of the conventional borrowing through years of manufacturing, production and design experience in related industries.

The multiple convex arc teeth of the conventional tooth-making are provided at one side of the tooth-making and have only one-way rotation effect. The top cap of the ratchet wrench structure of the present invention is resisted by the elastic force of the elastic element and abuts against At the concave arc groove of the tooth-making, the top cap is accommodated at the first corner. When the steering member is rotated, the top cap automatically enters the first corner and has an automatic positioning effect.

A ratchet wrench structure includes: a first receiving groove, a second receiving groove, a third receiving groove, a first center, a groove, a first abutting surface, a second abutting surface, and a first end surface; A ratchet wheel system is pivoted in the first receiving groove, and a ratchet portion and a fitting portion are provided on the outer periphery of the ratchet wheel. A tooth system is accommodated on one side of the second receiving groove, and the tooth system can be controlled. The left and right displacements of the second receiving groove are provided with an engaging portion and a concave arc groove on the front side of the tooth-making groove, the concave arc groove includes two first corners, and a convex block is convexly arranged on the upper portion of the concave arc groove; A steering group is pivotally arranged at the third receiving slot of the body. The steering group is rotatable to control the left and right displacement of the teeth in the second receiving slot to control the forward and reverse rotation of the ratchet wrench. The system includes a steering element, a top cap and an elastic element.

The toothed concave arc groove is provided with two first corners, and the top cap of the steering group is pressed against the concave arc groove of the toothed gear by the elastic force of the elastic element, and the top hat is It is accommodated in the first corner, and when the steering member is rotated, the top cap automatically enters the first corner when rotating, and has an automatic positioning effect. The top cap is abutted by the elastic element to abut the range of the concave arc groove, the peripheral surface of the top cap is abutted against the abutting surface of the teeth, and the top cap is restricted to the abutting surface. , So that the steering system is pivoted at the third groove without being disengaged, and the top cap is limited by the second height of the projection, so that the top cap is aligned with the center of the tooth, and That is, the top cap is aligned with the middle of the first height, so that the teeth can have the best meshing state with the ratchet.

In order to fully understand the effects of the present invention by members of the Bureau and those skilled in the art, the structure and composition of the present invention are explained in conjunction with the drawings and figures, but the following are only used to explain the implementation of the present invention. For example, it is not intended to limit the present invention in any form, and any modification made under the spirit of the present invention should still fall within the protection scope of the present invention.

10‧‧‧ Ontology

11‧‧‧ the first tank

12‧‧‧ second tank

13‧‧‧Third tank

131‧‧‧ the first circle center

14‧‧‧ groove

141‧‧‧first arrival

142‧‧‧Second Arrival

143‧‧‧First Intersection

144‧‧‧first angle

15‧‧‧ Arrival

16‧‧‧first end face

20‧‧‧ Ratchet

21‧‧‧ Ratchet

22‧‧‧ Fitting Department

23‧‧‧Groove groove

30‧‧‧ Tooth

31‧‧‧Bite

32‧‧‧ concave arc groove

321‧‧‧first corner

322‧‧‧First

323‧‧‧Second Side

324‧‧‧ second angle

325‧‧‧ third side

326‧‧‧ third angle

33‧‧‧ bump

34‧‧‧ by face

35‧‧‧ first height

36‧‧‧ second height

40‧‧‧ steering group

41‧‧‧ steering

411‧‧‧Cylinder block

412‧‧‧Restriction slot

413‧‧‧Second end face

414‧‧‧Dial button

415‧‧‧ Third Arrival

416‧‧‧Fourth Arrival

42‧‧‧ Top hat

43‧‧‧Elastic element

60‧‧‧First buckle

The first figure is an exploded perspective view of the ratchet wrench structure of the present invention.

The second figure is a top view of the ratchet wrench structure body of the present invention.

The third figure is a perspective view of the teeth of the ratchet wrench structure of the present invention.

The fourth figure is an upper view of the teeth of the ratchet wrench structure of the present invention.

The fifth figure is a perspective assembled view of the ratchet wrench structure of the present invention.

The sixth figure is a side view of the ratchet wrench structure of the present invention.

The seventh figure is a cross-sectional view of the sixth figure A-A of the present invention.

The eighth figure is an enlarged view of the seventh figure D of the present invention.

The ninth figure is a sectional view of another operating state at the sixth figure A-A of the present invention.

The tenth figure is an enlarged view of the ninth figure D of the present invention.

The eleventh figure is a top view of the ratchet wrench structure of the present invention.

The twelfth figure is a cross-sectional view at the eleventh figure B-B of the present invention.

First, please refer to the first to fourth figures. The first figure is an exploded perspective view of the ratchet wrench structure of the present invention, the second figure is a top view of the ratchet wrench structure body 10 of the present invention, and the third figure is a ratchet wrench of the present invention. A perspective view of the structure tooth 30. The fourth view is an upper view of the structure tooth 30 of the ratchet wrench structure of the present invention. The present invention relates to a ratchet wrench structure, which includes: a body 10, please supplement as shown in the second figure, the The body 10 is provided with a first receiving groove 11 penetrating therethrough. A concave ring groove is provided near the opening above the first receiving groove 11. A second diameter with a smaller diameter is provided near the handle portion on the side of the first receiving groove 11. The holding tank 12 has a circle center of the second holding tank 12 within the range of the first holding tank 11. The second holding tank 12 communicates with the first holding tank 11. The lower two sides are closed. A third receiving groove 13 is arranged near the handle on one side of the second receiving groove 12. The third receiving groove 13 is open above the third receiving groove 13. The second receiving groove 12 is connected. A center point of the third receiving groove 13 is provided with a first circle center 131, and the third receiving groove 13 is provided near the handle. The groove 14 is a groove-shaped shape near the opening of the third receiving groove 13. The left and right sides of the groove 14 are respectively provided with a first abutting surface 141 and a second abutting surface 142. The first contact surface 141 and the second contact surface 142 are both planar, and the connection line between the first contact surface 141 and the second contact surface 142 is a first intersection point 143, and the first intersection point 143 and the first intersection point 143 The first center 131 of the three receiving grooves 13 is slightly closer to the first receiving groove 11 than the first receiving grooves 11. A first angle 144 is provided between the first abutting surface 141, the second abutting surface 142 and the first intersection 143. The first angle 144 is between sixty degrees and one baidu. The bottom of the first receiving groove 11 is provided with an abutment edge 15. Above the body 10 is provided a first end surface 16. The first end surface 16 is Flat; a ratchet wheel 20, which is pivotally disposed in the first receiving groove 11 of the body 10; a ratchet portion 21 having annularly arranged teeth is arranged on the outer periphery of the ratchet wheel 20; and the ratchet wheel 20 is provided with a sleeve The joint portion 22 is a polygonal groove shape for the rotation of the threaded fitting. The ratchet wheel 20 is provided with a buckle groove 23, and a small diameter is provided below the ratchet wheel 20. Part, the abutting part is against the Abutment 15; a tooth making 30, please supplement the third and fourth figures, the tooth making 30 is accommodated on the inner side of the second receiving groove 12 of the body 10, and the tooth making 30 is It can be controlled to move left and right at the second receiving groove 12. An engaging portion 31 is provided on the front side of the tooth-making 30. The engaging portion 31 is engaged with the ratchet portion 21. A recess is provided on the rear side of the tooth-making 30. The arc groove 32 includes two first corners 321, a first face 322, two second faces 323, and two third faces 325. Each corner end of the concave arc groove 32 is provided with a first A corner 321, the first corner 321 is a concave arc surface, the first corner 321 is the two most concave parts of the concave arc groove 32, and the first surface 322 is provided in the center of the concave arc groove 32 Here, the first surface 322 is in the shape of a concave arc, and two sides of the first surface 322 are each provided with a second surface 323. The two second surfaces 323 are symmetrical with respect to the first surface 322. The two faces 323 are tangent to the first face 322, the second face 323 is tangent to the first corner 321, the second face 323 is flat, and the distance between the second face 323 and the horizontal line The angle is the second angle 324, which is the second angle 324 is preferably between fifteen and twenty-five degrees, and the second angle 324 is most preferably between twenty and twenty-four degrees. Each of the two ends of the concave arc groove 32 is provided near the opening. There is a third surface 325, the first corner 321 is disposed between the second surface 323 and the third surface 325, the third surface 325 is tangent to the first corner 321, and the third surface 325 is It is planar. The angle between the second surface 323 and the third surface 325 is a third angle 326. The third angle 326 is preferably between one hundred degrees and one hundred and twenty degrees. The best 326 is between 110 degrees and 114 degrees. The upper part of the concave arc groove 32 is convexly provided with a convex block 33, and the lower side surface of the convex block 33 is an abutting surface 34. The abutment surface 34 is flat, the teeth 30 are provided with a first height 35, the projection 33 is provided with a second height 36, and the second height 36 is slightly less than one and a half of the first height 35. That is, the projection 33 is slightly smaller than one and a half of the teeth 30; a steering group 40 is pivotally disposed at the third receiving groove 13 of the body 10, and the steering group 40 is rotatable to control the Tooth formation 30 in the second receiving groove 12 The left and right displacement controls the ratchet wrench's forward and reverse rotation. The steering group 40 includes a steering member 41, a top cap 42 and an elastic element 43. A cylindrical block 411 is provided on the steering member 41, and the cylindrical block 411 is pivoted. In the third receiving groove 13, the cylindrical block 411 is provided with a restricting groove 412. The restricting groove 412 is aligned with the concave arc groove 32 of the teeth 30. The upper side surface of the steering member 41 is a second end surface. 413, the second end surface 413 is flat, the second end surface 413 is flush with the first end surface 16, the steering member 41 is provided with a dial 414, and the dial 414 is received in the recess. In the slot 14, the dial 414 is provided with a third contact surface 415 and a fourth contact surface 416, and the third contact surface 415 and the fourth contact surface 416 are disposed on both sides of the dial 414. The third contact surface 415 is abutted against the first contact surface 141. After the steering member 41 is turned, the fourth contact surface 416 is abutted against the second contact surface 142, the third contact surface 415 and the first contact surface 415. The four abutting surfaces 416 are in a flat shape; the top cap 42 and the elastic element 43 are accommodated in the restriction groove 412 after being assembled together, and the elastic element 43 is accommodated in the top cap 42 and the restriction groove 412. Between The top cap 42 is abutted by the elastic force of the elastic element 43 and abuts against the concave arc groove 32. The peripheral surface of the top cap 42 is abutted against the abutment surface 34 of the teeth 30. The top cap 42 is limited by the second height 36 of the bump 33, so that the top cap 42 is aligned at the most center of the toothing 30, that is, the top cap 42 is aligned at the middle of the first height 35; A buckle 60 is a C-shaped ring body and is slightly elastic. The buckle 60 is accommodated in the concave ring groove and the buckle groove 23, so that the ratchet wheel 20 is pivoted on the There are 11 first receptacles.

Please continue to refer to the fifth figure, which is a three-dimensional combined view of the ratchet wrench structure of the present invention. The ratchet 20 is pivotally disposed in the first receiving groove 11 of the body 10, and the tooth-making 30 is received in On the side of the second receiving groove 12 of the body 10, the steering member 41 is pivotally disposed in the third receiving groove 13 of the body 10, and the second end surface 413 of the steering member 41 is connected to the body 10 of the body 10. The first end surface 16 is flush.

Please continue to refer to the sixth to eighth diagrams. The sixth diagram is a side view of the ratchet wrench structure of the present invention, the seventh diagram is a cross-sectional view at the sixth diagram AA of the present invention, and the eighth diagram is the seventh diagram D of the present invention. The enlarged view here clearly shows that the ratchet wheel 20 is pivotally disposed in the first receiving groove 11, the tooth-making gear 30 is accommodated on the inner side of the second receiving groove 12, and the steering group 40 The top cap 42 is pivotally disposed in the third receiving groove 13 of the body 10, and the top cap 42 is abutted by the elastic force of the elastic element 43 and abuts the concave arc groove 32 of the teeth 30. The top cap 42 is Accommodating at the first corner 321, the peripheral surface of the top cap 42 rests against the second surface 323, the third surface 325, and the abutting surface 34, and the top cap 42 is restricted by the first The three faces 325 prevent the top cap 42 from rotating out of the concave arc groove 32. The user can turn the steering group 40 by turning the dial 414 to control the teeth 30 on the body 10. The second receiving groove 12 is shifted left and right to control the forward and reverse rotation of the ratchet wrench, and the ratchet wrench structure can achieve the effect of two-way rotation.

Please continue to refer to the ninth and tenth diagrams. The ninth diagram is a cross-sectional view of another operating state at the sixth diagram AA of the present invention, and the tenth diagram is an enlarged view at the ninth diagram D of the present invention. It is clearly shown that the steering group 40 is rotated so that the teeth 30 are accommodated at the center of the second receiving groove 12, and the top cap 42 abuts against the first surface 322 of the concave arc groove 32, At this time, the elastic element 43 is compressed.

Please continue to refer to the eleventh and twelfth figures. The eleventh figure is an upper view of the ratchet wrench structure of the present invention, and the twelfth figure is a cross-sectional view of the eleventh figure of the present invention. As shown, the first retaining ring 60 is accommodated in the concave ring groove of the body 10 and the retaining ring groove 23 of the ratchet wheel 20, so that the ratchet wheel 20 is pivotally restricted by the first retaining ring 60. In the first receiving groove 11 of the main body 10.

According to another embodiment of the present invention, the engaging portion 22 is not in a slot shape, and the engaging portion 22 is in a shape of a protruding quadrangular head.

In another embodiment of the present invention, the second receiving tank 12 is open at one end and is provided with a cover. The cover system can close the opening of the second receiving tank 12, which is a conventional structure and will not be described in detail.

The advantages of the ratchet wrench structure of the present invention are:

1. Please supplement as shown in the eighth figure. The top cap 42 is abutted by the elastic force of the elastic element 43 and abuts the concave arc groove 32 of the teeth 30. The top cap 42 will be accommodated in At the first corner 321, when the steering member 41 is rotated, the top cap 42 automatically enters the first corner 321 and has an automatic positioning effect.

2. The peripheral surface of the top cap 42 is abutted against the second surface 323, the third surface 325, and the abutting surface 34. The top cap 42 is limited to the first corner 321 and the third surface. 325 can prevent the top cap 42 from rotating out of the concave arc groove 32, and the third surface 325 can limit the rotation position of the top cap 42 and has positioning effect.

3. Please supplement the steering group 40 as shown in the tenth figure, so that the teeth 30 are accommodated at the center of the second groove 12, and the top cap 42 is abutted against the concave arc groove 32. At the first surface 322, at this time, the elastic element 43 is compressed, that is, when the elastic element 43 is compressed, the steering member 41 is not easily rotated from the eighth figure to the tenth figure, the steering group 40 and the steering group 40. It is less likely to automatically switch forward and reverse between the teeth making 30.

4. The top cap 42 is abutted by the elastic element 43 and abuts the area of the concave arc groove 32. The top surface of the top cap 42 is abutted against the abutment surface 34 of the toothing 30. The cap 42 is restricted by the abutting surface 34, so that the steering group 40 is pivotally installed at the third receiving groove 13 without being disengaged. The top cap 42 is also limited by the second height 36 of the projection 33. So that the top cap 42 is aligned at the center of the teeth 30, that is, the top cap 42 is aligned at the middle of the first height 35, so that the teeth 30 will have the best meshing state with the ratchet wheel 20. .

5. Please supplement as shown in the third figure. The upper part of the tooth-making 30 is provided with a bump 33, which is equal to the rib in the structure. The tooth-making 30 has better strength, and the tooth-making 30 The tooth-making 30 can be powder-formed or injection-molded, whether it is demoulded from the top and bottom or back and forth, and the tooth-making 30 can have at least two molding methods.

6. The steering member 41 is provided with a dial 414, which is accommodated in the groove 14, and the dial 414 is provided with the third contact surface 415 and the fourth contact surface 416. The three contact surfaces 415 and the fourth contact surface 416 are provided on both sides of the dial 414. The third contact surface 415 is contacted against the first contact surface 141. After turning the steering member 41, the first contact surface 415 The four abutment surfaces 416 are abutted against the second abutment surface 142, that is, the turning of the steering member 41 has a maximum restricted angle to prevent the top cap 42 from colliding with the second receiving groove 12 and the third The top cap 42 is damaged due to the intersection of the receiving tank 13, the side surface of the second receiving tank 12, or the side surface of the third receiving tank 13.

7. The second end surface 413 of the steering member 41 is flush with the first end surface 16, and the dial 414 of the steering member 41 is accommodated in the groove 14 of the body 10. When the ratchet wrench is turned, it is avoided that other objects collide with the knob 414 of the steering member 41 and cause the lack of automatic switching between forward and reverse rotation.

Therefore, the ratchet wrench structure of the present invention has industrial applicability, novelty, and progressability, and can meet the application requirements of the invention patent, and submit an application according to law.

Claims (14)

    A ratchet wrench structure includes: a body, the system is provided with a first receiving slot penetrating, a second receiving slot with a smaller diameter is provided near a handle on one side of the first receiving slot, and the second receiving slot The center of the groove is located within the range of the first receiving groove, the second receiving groove is in communication with the first receiving groove, and a third receiving groove is provided near the handle on one side of the second receiving groove. The upper part of the three tanks is open, the third tank is in communication with the second tank, the center point of the third tank is provided with a first circle center, and the third tank is near the handle. A groove is provided, and the groove is formed as a notch near the third opening. The left and right sides of the groove are respectively provided with a first contact surface and a second contact surface. Above the body A first end surface is provided, and the first end surface is planar; a ratchet wheel is pivotally arranged in the first receiving groove of the body, and a ratchet portion of annularly arranged teeth is arranged on the outer periphery of the ratchet wheel, The ratchet system is provided with a fitting part; a tooth-making system is accommodated on one side of the second receiving groove of the body, and the tooth-making system can be controlled to be in the second container. The front side of the tooth-making system is provided with an engaging portion, which is engaged with the ratchet portion, and the rear side of the tooth-making system is provided with a concave arc groove. The concave arc groove system includes two first corners. A first corner is provided at each of the two corner ends of the arc groove, and the first corner is in the shape of a concave arc. The first corner is the two most concave parts of the concave arc groove, and the upper part of the concave arc groove is A convex block is provided convexly, the lower side surface of the convex block is an abutting surface, the tooth system is provided with a first height, the convex block is provided with a second height, and the second height is slightly smaller than the first height One half, that is, the convex block is slightly smaller than one and a half of the tooth; a steering group, the steering group is pivotally arranged at the third receiving groove of the body, and the steering group is rotatable to control the tooth making The left and right displacements in the second receiving slot control the positive and negative rotation of the ratchet wrench. The steering system includes a steering element, a top cap and an elastic element. A cylindrical block is arranged on the steering element, and the cylindrical block is pivoted on the steering block. In the third receiving groove, the cylindrical block is provided with a restricting groove, the restricting groove is aligned with the concave arc groove of the tooth, and the turning The upper side surface is a second end surface, the second end surface is flat, the second end surface is flush with the first end surface, the steering member is provided with a dial, and the dial is accommodated in the In the groove, the dial is provided with a third contact surface and a fourth contact surface, and the third contact surface and the fourth contact surface are provided on both sides of the dial, and the third contact surface is against the contact. At the first abutting surface, after turning the steering member, the fourth abutting surface is abutted against the second abutting surface; the top cap and the elastic element are assembled in the restricting groove after being assembled together. The elastic element is accommodated between the top cap and the restriction groove. The top cap is pressed against the concave arc groove by the elastic force of the elastic element, and the peripheral surface of the top cap is pressed against the At the abutting surface of the teeth, the top cap is limited by the second height of the projection, so that the top cap is aligned at the center of the teeth, that is, the top cap is aligned at the middle of the first height. Office.         The ratchet wrench structure according to claim 1, wherein a concave ring groove is provided near the opening above the first receiving groove, and a ratchet ring groove is provided on the ratchet wheel, and a first retaining ring is provided. The C-shaped ring body is slightly elastic, and the retaining ring system is accommodated in the concave ring groove and the retaining ring groove, so that the ratchet system is pivotally disposed at the first receiving groove.         The ratchet wrench structure according to claim 1, wherein the upper and lower sides of the second receiving groove are closed.         The ratchet wrench structure according to claim 1, wherein the first abutting surface and the second abutting surface are both planar, and a connection point between the first abutting surface and the second abutting surface has a first intersection point, The first intersection point is slightly closer to the first accommodation groove than the first center of the third accommodation groove, and a first angle is set between the first abutment surface, the second abutment surface, and the first intersection point. The first angle is between sixty degrees and one Baidu, and the third contact surface and the fourth contact surface are planar.         The ratchet wrench structure according to claim 1, wherein the bottom of the first receiving groove is provided with an abutment edge, and a lower diameter abutment portion is provided under the ratchet, and the abutment portion is abutted on the abutment edge.         The ratchet wrench structure according to claim 1, wherein the engaging portion is in the shape of a multi-angle groove for rotating the engaging screw member, or the engaging portion is in the shape of a protruding quadrangular head.         The ratchet wrench structure according to claim 1, wherein the concave arc groove is provided with a first surface, a second surface, and a second third surface, and the first surface is provided at the center of the concave arc groove. The first surface is in the shape of a concave arc, and each of the two sides of the first surface is provided with a second surface. The two second surfaces are symmetrical with respect to the first surface, and the second surface and the first surface are both symmetrical. The surface is tangent, the second surface is tangent to the first corner, and a third surface is provided near the opening at the two ends of the concave arc groove, and the first corner is provided on the second surface and Between the third faces, the third faces are tangent to the first corner.         The ratchet wrench structure according to claim 7, wherein the second surface is planar.         The ratchet wrench structure according to claim 7, wherein the angle between the second surface and the horizontal line is a second angle, and the second angle is between 15 and 25 degrees.         The ratchet wrench structure according to claim 7, wherein the angle between the second surface and the horizontal line is a second angle, and the second angle is between twenty degrees and twenty-four degrees.         The ratchet wrench structure according to claim 7, wherein the third surface is planar.         The ratchet wrench structure according to claim 7, wherein the angle between the second surface and the third surface is a third angle, and the third angle is between one hundred degrees and one hundred and twenty degrees.         The ratchet wrench structure according to claim 7, wherein the angle between the second surface and the third surface is a third angle, and the third angle is between 110 degrees and 114 degrees between.         The ratchet wrench structure according to claim 1, wherein the abutting surface is planar.