TW201821223A - Quick release structure for ratchet wrench consisting of a drive head, a sleeve, an axial push rod, a radial hole and a bead groove - Google Patents

Abstract

Provided is a quick release structure for a ratchet wrench. A ratchet wheel of a ratchet wrench is provided with a drive head, an axial push rod is disposed at the center of the drive head, and a radial hole and a bead groove are respectively arranged at the drive head and the corresponding location of the axial push rod. The bead groove is provided with an pushing bevel and contains a steel ball, an elastic member is arranged between the ratchet wheel and the axial push rod so as to elastically lift the axial push rod upwards, and then the pushing bevel outwardly pushes the steel ball to expose same outside the radial hole, which is used for positioning purpose with the positioning groove of the sleeve. The device is characterized in that: the main body is provided with an upper cover, and the bottom surface of the upper cover is provided with two rail grooves and two rails at positions corresponding to the two sides of the axial push rod for accommodating a release button. An elastic member is disposed between the upper cover and the release button, and the elastic member outwardly ejects the release button. A corresponding conical surface and a pushing bevel are arranged between the axial push rod and the release button, The user only needs to press the release button inwardly, to allow the pushing bevel to press the conical surface of the axial push rod downwardly to displace the axial push rod downwards so that the steel ball can settle in the bead groove and quickly disengage from the positioning groove of the sleeve.

Description

   Quick release structure of ratchet wrench   

The quick-release structure of the ratchet wrench of the present invention is mainly applied to the technology that the driving head of the ratchet wrench can be quickly detached from the sleeve.

In general, when using a ratchet wrench, you must select a suitable sleeve according to the size of the screw or nut to be disassembled and assembled, and then insert the sleeve into the drive head of the ratchet wrench. The steel ball is integrated with the positioning groove inside the sleeve, so that the user only needs to hold the handle of the ratchet wrench, and swinging the handle of the ratchet wrench to drive the sleeve to rotate forward or reverse, which can achieve The purpose of disassembly and assembly.

In order to allow the steel ball of the drive head to quickly disengage from the clamping and fixing relationship with the positioning groove of the sleeve, a ratchet wrench quick release structure has been developed. For example, the ratchet wrench was previously approved and announced by the public, announcement number: 525558 "Ratchet wrench quick "Destructuring" new patent case, which mainly consists of a body, a driving group, a detent body, a control body, a pushing group and a cover body, wherein the body is provided with a receiving chamber recessed inward to pass the cover body It is fixed above the accommodating chamber of the body, and the driving group, the actuating body, the control body and the pushing group can be accommodated therein, and the teeth of the driving body of the driving group can be engaged with the teeth of the actuating body. The proper position of the actuating body and the control body can be pivoted to each other; and the proper position of the driving body is provided with at least a driving part and a shaft hole penetrating through the class, and the driving part is provided with an appropriate place. A radial hole, and the radial hole is communicated with the shaft hole, so that the abutment portion and the recessed portion of the pressure rod can penetrate into the shaft hole of the driving body and slide, and can make the convex ring portion of the pressure rod and the driving body There is an elastic body between the shaft holes, and the balls that are already in the radial holes The end can be located in the abutment or depression of the pressure rod; in addition, a guide groove and a plurality of limiting holes are respectively provided at appropriate places in the accommodation room for the push rod and the pressing body of the push group to be respectively located in the guide groove and the guide body. The limiting hole slides, and the guide of the pressing body can be directly or indirectly pivoted with the limiting portion of the push rod, and the push top of the other end of the push rod can be located at the top of the push rod.

However, the above-mentioned new patent for the "ratchet wrench quick release structure" has a large number of components, and the structure of the component components is complicated. It is very troublesome and inconvenient in manufacturing, assembly, and maintenance, and the production cost High, non-competitive, unsatisfactory and impractical in operation. It is the existing problems and shortcomings that need to be resolved.

The present inventor is currently engaged in the manufacture and design of related products, and has accumulated many years of practical experience and experience. In view of the existing problems and deficiencies in the new patent case of the "ratchet wrench quick release structure", he actively invested in the spirit of innovation and improvement. Ratchet wrench quick release structure.

The technical means applied to solve the problem of the invention and the effect compared with the prior art are: the head of the body is provided with a ratchet, and a driving head is arranged below the ratchet, and the driving head can be sleeved with a sleeve, and the center of the ratchet An axial push rod is provided, and a radial hole and a bead slot are provided at the corresponding position of the driving head and the axial push rod. The bead slot contains a steel ball and a push-up inclined surface, and the ratchet wheel and the axial push rod are provided. An elastic member is provided for rebounding the axial push rod upwards, and the push-up steel ball is pushed out from the push-up oblique surface to expose the radial hole for positioning with the positioning groove of the sleeve; it is characterized by: the body An upper cover is provided, and the bottom surface of the upper cover is provided with two rail grooves or two rails at two sides corresponding to the axial push rod for receiving a release button. An elastic member is provided between the upper cover and the release button. The ejection button is ejected outwards, and the corresponding conical surface and ejection inclined surface are provided between the axial push rod and the release button. The user only needs to press the release button inward, and the ejection inclined surface can be used to suppress the shaft downward. The tapered surface of the pusher Position, so that the steel ball can settle in the bead groove and quickly disengage from the positioning relationship with the positioning groove of the sleeve. The ratchet wrench quick release structure provided in this creation not only has fewer components, but also the structure of the component is simple. It is very easy and convenient to manufacture, assemble or repair. At the same time, the production cost is low, it is competitive, the operation is easy to use, it is very practical, and it has improved efficiency. Its main purpose is achieved.

10‧‧‧ Ontology

11‧‧‧ rubber sleeve

12‧‧‧ stopper

13‧‧‧ Hole

131‧‧‧shaft hole

14‧‧‧ Hole

141‧‧‧perforation

142‧‧‧Dent

15‧‧‧through hole

16‧‧‧ track

17‧‧‧ Inner margin

20‧‧‧ Ratchet

21‧‧‧ Ratchet

22‧‧‧Driver

23‧‧‧Axial hole

231‧‧‧Spring slot

24‧‧‧Radial hole

25‧‧‧Axial push rod

251‧‧‧Expansion Department

252‧‧‧conical surface

253‧‧‧bead trough

254‧‧‧Pushing bevel

26‧‧‧ Burst

27‧‧‧Trench

28‧‧‧ buckle

30‧‧‧ detent block

31‧‧‧Combination slot

32‧‧‧Pick

321‧‧‧ Dial

322‧‧‧Combination block

33‧‧‧Locking teeth

34‧‧‧Positioning bead groove

40‧‧‧ lower cover

41‧‧‧ round hole

42‧‧‧through hole

50‧‧‧ Upper cover

51‧‧‧Screw holes

52‧‧‧shaft hole

53‧‧‧ rail slot

54‧‧‧Top Arrival Department

55‧‧‧Limiting Department

56‧‧‧ opening

57‧‧‧Receiving slot

571‧‧‧track

58‧‧‧Spring Mount

581‧‧‧Ditch

59‧‧‧Positioning edge

60‧‧‧ Cancel button

61‧‧‧Pressing section

62‧‧‧Ejection bevel

63‧‧‧action slot

64‧‧‧Positioning Department

65‧‧‧Dodge

66‧‧‧Arc groove

67‧‧‧Positioning flange

70‧‧‧ sleeve

71‧‧‧ positioning groove

P‧‧‧Screw

S1‧‧‧Elastic piece

S2‧‧‧Elastic piece

S3‧‧‧Elastic piece

C‧‧‧C type elastic parts

C1‧‧‧Terminal

C2‧‧‧Terminal

R1‧‧‧steel ball

R2‧‧‧steel ball

The first figure is a schematic diagram of a three-dimensional combination of the first embodiment of the present invention.

The second figure is a three-dimensional exploded view and an enlarged schematic diagram of the F part and the M part according to the first embodiment of the present invention.

FIG. 3 is a schematic side sectional view of Embodiment 1 of the present invention.

The fourth figure: a schematic plan view of a sectional view of the first embodiment of the present invention.

Fig. 5 is a schematic sectional view of a three-dimensional assembly according to the first embodiment of the present invention.

FIG. 6 is a schematic diagram of a disengaged state operation according to the first embodiment of the present invention.

FIG. 7 is a schematic diagram of a combined state operation according to the first embodiment of the present invention.

FIG. 8 is a three-dimensional exploded view and an enlarged view of the K part and the S part according to the second embodiment of the present invention.

The ninth figure is a schematic diagram of an operation in a disengaged state according to the second embodiment of the present invention.

The tenth diagram: a schematic diagram of the E-E section of the ninth diagram.

FIG. 11 is a schematic diagram of the combined state operation according to the second embodiment of the present invention.

Figure 12: Schematic diagram of section R-R in Figure 11.

In order to make it easy for people who are familiar with this technology to understand the structure of the present invention and the functional benefits that can be achieved, two specific embodiments are listed below, and they are described in detail with the drawings as follows: A ratchet wrench quick release structure Please refer to the first and second figures: the three-dimensional combination, the three-dimensional decomposition, and the enlarged view of the F and M sections of the first embodiment of the present invention. It is shown in the third and fourth figures: it is a schematic combination view of a side view and a plan view of a first embodiment of the present invention. And the fifth figure is a schematic diagram of a three-dimensional combined cross-section of the first embodiment of the present invention. It mainly includes: a body 10, a ratchet wheel 20, a detent block 30, a lower cover 40, an upper cover 50, and a release button 60; wherein: the tail of the body 10 is fixed with a rubber sleeve 11 by a screw P lock, and A screw 12 on the rubber sleeve 11 is plugged by a plug 12, and a gourd hole is provided at the bottom surface of the head of the body 10. The gourd hole includes two interconnected holes 13, 14 which are connected to each other. The opening faces downward, one of the holes 13 can accommodate a ratchet wheel 20, and the other hole 14 can accommodate a latch block 30. The center of the two holes 13, 14 is provided with a shaft hole 131 and a perforation 141. A wall 142 is provided with a recess 142 for receiving an elastic member S1 and a steel ball R1. The bottom surface of the head of the body 10 is provided with two through holes 15 which can be used for two screws. The upper cover 50 is fixed through the lower cover 40 and the upper cover 50 by a locking knot. The top surface of the head of the body 10 is provided with U-shaped rails 16 at both sides of the shaft hole 131 so as to be integrated with the upper cover 50; A plurality of ratchet teeth 21 are provided on a circumferential surface of 20, and a square-shaped driving head 2 is provided below the ratchet head 20 2. An axial hole 23 is provided in the center of the ratchet wheel 20, and a spring groove 231 is provided above the axial hole 23. The spring groove 231 can accommodate an elastic member S2. The axial hole 23 below corresponds to the driving head 22 A radial hole 24 is provided at the radial direction. The radial hole 24 can be provided with a steel ball R2. The axial hole 23 can be provided with an axial push rod 25. The upper end of the axial push rod 25 is provided with an expansion. The bottom surface of the enlarged portion 251 can be abutted by the elastic member S2. The top surface of the enlarged portion 251 is provided with a conical surface 252. Below the axial push rod 25, a bead groove 253 is provided corresponding to the steel ball R2. The depth of the groove 253 can allow the steel ball R2 to sink completely into the radial hole 24. A push-up bevel 254 is provided below the bead groove 253, and the push-up bevel 254 can be used to push the steel ball R2 outward to expose the radial hole. 24. A bottom edge 26 is provided on the bottom surface of the ratchet wheel 20 for positioning of the lower cover 40. A square-shaped coupling groove 31 is provided in the middle of the latching block 30 as a combination with the paddle 32. The paddle 32 is arranged outside the head 11 of the main body 10, and the dial 32 is provided with a dial 321 for the user to move left and right. The dial 32 corresponds to A coupling block 322 is provided at the coupling groove 31 of the latching block 30, so that the coupling block 322 of the paddle 32 can be fixed and fixed in the coupling groove 31 of the latching block 30, and the paddle 32 can swing to the left or right. The latching block 30 is provided with a plurality of latching teeth 33 on both sides of the latching block 30. The latching teeth 33 on the one side or the other side generate a one-way card for the ratchet teeth 21 of the ratchet 20. Two positioning bead grooves 34 are provided on the two sides of the latching block 20 corresponding to the steel ball R1. When the latching block 30 swings left or right, the steel ball R1 is positioned in one of the positioning bead grooves 34; the lower cover A circular hole 41 is provided at 40 corresponding to the ratchet wheel 20, and the inner diameter of the circular hole 41 is equivalent to the outer diameter of the flange 26 of the ratchet wheel 20, so that the circular hole 41 of the lower cover 40 can be nested in the flange 26 of the ratchet wheel 20. The lower cover 40 is provided with two through holes 42 corresponding to the two through holes 15 of the body 10, and the two screws P pass through the two through holes 42 and the two through holes 15 and are directly locked and fixed to the upper cover 50; the bottom surface of the upper cover 50 corresponds to Two screw holes 51 are provided at the two through holes 15 of the body 10 for two screws P locking. The bottom surface of the upper cover 50 corresponds to the shaft hole 131 of the body 10 and the rail 16 is also provided with a shaft hole 52. A U-shaped rail groove 53 is provided for exposing the conical surface 252 of the axial push rod 25. A middle abutment portion 54 is provided in the middle of the rail groove 53 for the abutment of the elastic member S3. The two sides of the groove 53 are provided with two limiting portions 55 for limiting the time when the release button 60 is pressed. The upper cover 50 is provided with an opening 56 corresponding to the release button 60, so that the release button 60 can be exposed at the opening 56, and the opening A receiving groove 57 is provided inside 56 for receiving a release button 60; a pressing portion 61 is provided on the outside of the release button 60, and a release button 60 corresponding to the conical surface 252 of the axial push rod 25 is provided. Pushing the inclined surface 62, the release button 60 is provided with an actuating groove 63 corresponding to the abutting portion 54 of the upper cover 50. The actuating groove 63 is provided with an elastic member S3, and the release button 60 is ejected outward by the elastic force of the elastic member S3. On both sides of the button 60, two positioning portions 64 are provided corresponding to the two limiting portions 55, so as to limit the maximum displacement when the release button 60 is pressed. The release button 60 is provided with a dodge slot 65 corresponding to the paddle 32, so that The sheet 32 can be turned left or right in the dodge slot 65.

The present invention, which is formed by combining the above-mentioned various element structures, is to provide a ratchet wrench quick release structure. In actual operation and application: please refer to the sixth figure, which is a schematic diagram of the disengaged state of the first embodiment of the present invention. . The user only needs to press the release button 60 inward, and the conical surface 252 of the axial push rod 25 can be pressed down by the push-up inclined surface 62, so that the axial push rod 25 is shifted downward, so that the steel ball R2 can settle on In the bead groove 253, the depth of the bead groove 253 can allow the steel ball R2 to sink completely into the radial hole 24, and quickly disengage from the positioning relationship with the positioning groove 71 of the sleeve 70.

Please refer to the seventh figure, which is a schematic diagram of a disengaged state operation according to the first embodiment of the present invention. When the user releases the release button 60, the release button 60 can be ejected outwards by using the elastic force of the elastic member S3. At this time, the conical surface 252 of the axial push rod 25 is no longer pressed downward by the push-up inclined surface 62 of the release button 60. Function, that is, the axial push rod 25 can be ejected upward by the elastic force of the elastic member S2, and the steel ball R2 is pushed out from the push-up inclined surface 254 to expose the radial hole 24, so that the positioning groove 71 of the sleeve 70 can be positioned In the steel ball R2.

A quick release structure of a ratchet wrench. Please refer to FIG. 8 for a three-dimensional exploded view and an enlarged schematic view of the K part and the S part in the second embodiment of the present invention. It mainly includes: a body 10, a ratchet wheel 20, a latching block 30, an upper cover 50, and a release button 60; wherein: a tail of the body 10 is provided with a rubber sleeve 11, and a top surface of the head of the body 10 is provided with a Gourd hole, which contains two interconnected two holes 13, 14 with the openings facing upwards, one of which can accommodate a ratchet wheel 20 and the other of which can accommodate a card The stopper block 30 is provided with a recess 142 on the wall surface of the hole 14, and the recess 142 can be provided with an elastic member S1 and a steel ball R 1. Two through holes 15 are provided at the bottom surface of the head of the body 10. The through hole 15 can be used for two screws P to lock an upper cover 50. The head of the body 10 is provided with an inner step edge 17 at the periphery of the top surface of the gourd hole for receiving an upper cover 50; the circumference of the ratchet 20 A plurality of ratchet teeth 21 are provided on the surface, and a square-shaped driving head 22 is provided below the ratchet head 20. An axial hole 23 is provided in the center of the ratchet 20, and a spring groove 231 is provided above the axial hole 23. The spring groove 231 can be used to accommodate an elastic member S2, and the lower part of the axial hole 23 corresponds to the driving head 22 A radial hole 24 is provided in the radial direction. The radial hole 24 can be provided with a steel ball R2. The axial hole 23 can be provided with an axial push rod 25. The upper end of the axial push rod 25 is provided with an enlarged portion 251. The bottom surface of the enlarged portion 251 can be abutted by the elastic member S2. The top surface of the enlarged portion 251 is provided with a conical surface 252. Below the axial push rod 25, a bead groove 253 is provided corresponding to the steel ball R2. The bead groove 253 The depth of the steel ball R2 can be completely sunk into the radial hole 24, and a push-up bevel 254 is provided below the bead groove 253, and the push-up bevel 254 can be used to push the steel ball R2 outward to expose the radial hole 24. The bottom surface of the ratchet wheel 20 is provided with a flange 26, and a ring of groove 27 is provided on the periphery of the flange 26 for fastening and fixing a buckle 28, and the ratchet 20 is fastened and fixed to the head of the body 10 by the buckle 28 The bottom surface of the latch block 30 does not need to be fixed by the lower cover 40. A square-shaped coupling groove 31 is provided in the middle of the latch block 30 for combining with the dial 32. The dial 32 is provided with a dial 321. The portion 321 is exposed to the outside of the opening 56 of the upper cover 50 and is used by a user to move left and right. The paddle 32 is provided at a position corresponding to the coupling groove 31 of the latch block 30. A combination block 322 allows the combination block 322 of the paddle 32 to be fixed in the combination groove 31 of the catch block 30. The paddle 32 swings the catch block 30 to the left or right. A plurality of latching teeth 33 are provided on the side, and the latching teeth 33 of the one side or the other side generate a one-way card for the ratchet teeth 21 of the ratchet wheel 20, and the two sides of the latching block 20 correspond to the steel ball R1 Two positioning bead grooves 34 are provided. When the locking block 30 is swung to the left or right, the steel ball R1 is positioned in one of the positioning bead grooves 34. The bottom surface of the upper cover 50 corresponds to two through holes 15 of the body 10. There are two screw holes 51 for two screws P for locking and fixing. The upper cover 50 is provided with an opening 56 corresponding to the release button 60, so that the release button 60 can be exposed outside the opening 56, and the inside of the opening 56 is provided with a container. The receiving groove 57 is used for accommodating the release button 60. The receiving groove 57 is provided with two rails 571 at both sides corresponding to the axial push rod 25, and the bottom surface of the upper cover 50 corresponds to the left and right sides in front of the rail 571. There are two spring fixing bases 58. The two spring fixing bases 58 are provided with two inverted L-shaped grooves 581 corresponding to the two ends C1 and C2 of the C-shaped elastic member C. The C-shaped elastic member C's two-end feet C1 and C2 can be snapped and fixed in the second groove 581. When the release button 60 is pushed forward, the C-shaped elastic member C will act from the left and right sides to achieve compression. Effectively, a positioning stop edge 59 is provided on the outside of the opening 56 for ejecting positioning of the release button 60; a pressing portion 61 is provided on the outside of the release button 60, and the release button 60 corresponds to the conical surface of the axial push rod 25 A push-up bevel 62 is provided at 252, and the release button 60 corresponds to a C-shaped elastic member C provided with an arc-shaped groove 66. The arc-shaped groove 66 is provided with a C-shaped elastic member C. The release button 60 is ejected outwards, and the release button 60 is provided with a positioning flange 67 at a position corresponding to the positioning stop edge 59 of the upper cover 50, so that the positioning button 67 can be used to position the positioning stop edge of the upper cover 50 when the release button 60 is ejected. 59. The release button 60 is prevented from coming out. The release button 60 is provided with a dodge slot 65 corresponding to the paddle 32, so that the paddle 32 can be moved to the left or right in the dodge slot 65.

The present invention, which is formed by combining the above element structures, is to provide a quick release structure of a ratchet wrench. In actual operation and application: please refer to the ninth and tenth diagrams: it is the disengaged state of the second embodiment of the present invention. Schematic diagram of movement and EE cross section of the ninth figure. The user only needs to press the release button 60 inward, and the conical surface 252 of the axial push rod 25 can be pressed down by the push-up inclined surface 62, so that the axial push rod 25 is shifted downward, so that the steel ball R2 can settle on In the bead groove 253, the depth of the bead groove 253 can allow the steel ball R2 to sink completely into the radial hole 24, and quickly disengage from the positioning relationship with the positioning groove 71 of the sleeve 70.

Please refer to the eleventh and twelfth figures: the combined state action of the second embodiment of the present invention and the R-R cross-sectional schematic diagram of the eleventh figure. When the user releases the release button 60, the release button 60 can be ejected outwards by using the elastic force of the C-shaped elastic member C. At this time, the conical surface 252 of the axial push rod 25 is no longer subjected to the ejection inclined surface 62 of the release button 60. Press down, that is, the axial pusher 25 can be ejected upward by the elastic force of the elastic member S2, and the steel ball R2 is pushed out from the push-up inclined surface 254 to expose the radial hole 24, so that the positioning groove 71 of the sleeve 70 Can be positioned in the steel ball R2.

In summary, the present invention is to provide a ratchet wrench quick release structure. After the inventor's actual manufacture and repeated operation tests, it is confirmed that the expected functional benefits of the present invention can be achieved, and at the same time, there is currently no The first creation after seeing it has industrial value, and it certainly meets the essentials of practicability and advancement of invention patents. According to the provisions of the Patent Law, an application for invention patents was filed with the Bureau.

Claims (8)

    A ratchet wrench quick release structure mainly includes: a head of the body is provided with a ratchet and a catch block, and a driving head is arranged below the ratchet, and the driving head can be sleeved with a sleeve, and the inner wall of the sleeve is provided with There are a plurality of positioning grooves. The main body is provided with a paddle corresponding to the upper part of the latching block for swinging the latching block. The latching block generates a unidirectional card for the ratchet, and the center of the ratchet is passed through. An axial push rod, the drive head is provided with a radial hole and a bead groove corresponding to the axial push rod, a push-up bevel is provided below the bead slot and a steel ball is included, between the ratchet and the axial push rod An elastic member is provided for rebounding the axial push rod upwards, and the push-up steel ball is pushed out from the push-up oblique surface to expose the radial hole for positioning with the positioning groove of the sleeve; it is characterized by: the body An upper cover is provided, and the bottom surface of the upper cover is provided with two rail grooves or two rails at two sides corresponding to the axial push rod for receiving a release button. The release button is provided with a pressing part outside the cover and the release. An elastic member is provided between the buttons, and the release button is ejected outward from the elastic member, A corresponding conical surface and a push-up inclined surface are provided between the axial push rod and the release button. The user only needs to press the release button inward to press the conical surface of the axial push rod downward with the push-up inclined surface, so that The axial push rod is shifted downward, so that the steel ball can be settled in the bead groove, and quickly disengage from the positioning relationship with the positioning groove of the sleeve.         The quick-release structure of the ratchet wrench according to claim 1, wherein the tail of the body is fixed with a rubber sleeve by a screw lock knot, and the screw on the rubber sleeve is plugged by a plug.         The quick release structure of the ratchet wrench according to claim 1, wherein: the head of the body is provided with a plurality of through holes for the plurality of screws to pass through the lower cover and lock an upper cover, the lower cover and the upper cover correspond to The body has a plurality of through holes and a plurality of through holes and a plurality of screw holes at the plurality of through holes for screwing and locking. The bottom surface of the ratchet wheel and the lower cover are provided with a flange and a round hole corresponding to the round hole. The inner diameter of the ratchet is equal to the outer diameter of the flange of the ratchet, so that the round hole of the lower cover can be nested in the flange of the ratchet.         The ratchet wrench quick release structure according to claim 1, wherein the head of the body is provided with a plurality of through holes for the plurality of screws to pass through and lock an upper cover corresponding to the plurality of through holes of the body. There are a plurality of screw holes which can be fixed by a plurality of screws. The bottom surface of the ratchet wheel is provided with a flange, and a circle of grooves is provided on the periphery of the flange for fastening and fixing a buckle. The ring fastens the ratchet to the bottom surface of the body head.         The quick release structure of the ratchet wrench according to claim 1, wherein a corresponding coupling groove and a coupling block are provided between the latching block and the paddle, so that the coupling block of the paddle can be combined with the fixing of the latching block. Those in the slot.         The quick release structure of the ratchet wrench according to claim 1, wherein: the upper cover is provided with an opening corresponding to the release button, so that the release button can be exposed through the opening, and an accommodation slot is provided inside the opening to receive the release button. A limiting portion and an actuating slot are provided at the corresponding position of the rail groove and the release button, and an elastic member is provided between the restricting portion and the actuating slot, and the release button is ejected outward by the elastic member, and both sides of the bottom surface of the upper cover There are two limiting parts. Two sides of the release button correspond to the two positioning parts. There are two positioning parts to limit the maximum displacement when the release button is pressed.         The quick release structure of the ratchet wrench according to claim 1, wherein: the upper cover is provided with an opening corresponding to the release button, so that the release button can be exposed through the opening, and an accommodation slot is provided inside the opening to receive the release button. The release button is provided with an arc-shaped groove on the inclined surface of the ejection top. The arc-shaped groove can be inserted by a C-shaped elastic member. Two spring fixing seats are provided at the left and right sides of the bottom surface of the upper cover. The fixing seat is provided with two grooves at the two ends of the C-shaped elastic member, so that the two ends of the C-shaped elastic member can be fixed in the two grooves. When the release button is pushed forward, the C-shaped elastic member The piece will act from the left and right sides as a compression release button. The upper cover is provided with a positioning stop edge outside the opening, and the release button is provided with a positioning flange corresponding to the positioning stop edge of the upper cover. The positioning flange can be used to locate the positioning stop edge of the upper cover to prevent the release button from coming out.         The ratchet wrench quick release structure according to claim 1, wherein: the release button is provided with a dodge groove corresponding to the paddle, so that the paddle can be moved to the left or right in the dodge groove.