Ratchet wrench combination structure

Abstract

The utility model provides a ratchet wrench combination structure. The ratchet wrench combination structure comprises a wrench rod, a ratchet set, a retaining ring and a control set. The wrench rod comprises a rod body with a working end and a fixed end, the working end is provided with a tool hole, and the fixed end is provided with a flange and an annular groove at intervals. The ratchet wheel set comprises a ratchet wheel seat, a ratchet wheel part and a clamping part. The ratchet wheel seat is arranged on the flange, and the ratchet wheel piece and the clamping piece are arranged in the ratchet wheel seat. The retaining ring is combined in the annular groove and abuts against the ratchet wheel seat, and the ratchet wheel seat is clamped by the retaining ring to be positioned at the fixed end. The control group is movably arranged on the ratchet wheel seat and comprises an operation key and a bolt and a spring which are combined in the operation key, and the bolt is combined with the spring to elastically abut against the clamping piece, so that the clamping piece clamps the ratchet wheel piece; therefore, the ratchet wrench easy to assemble and arrange is provided.

Description

Technical Field

[0001] The utility model relates to a manual tool, in particular to a ratchet wrench combination structure. Background Art

[0002] The ratchet wrench combination structure is a common hand tool, widely used in mechanical maintenance and assembly work. The main purpose of the ratchet wrench combination structure is to tighten or loosen bolts and nuts, and the ratchet mechanism can achieve continuous rotation in one direction, achieving fast and efficient operation.

[0003] Furthermore, the existing ratchet wrench assembly structure is provided with a ratchet member, and the assembly of the ratchet member is provided by a snap ring that is engaged between the ring groove of the wrench body and the concave ring groove of the ratchet member, and a convex abutment portion supporting the ratchet member is provided on the bottom side of the wrench body to ensure that the ratchet member does not separate from the wrench body. However, the processing procedures of the aforementioned ratchet wrench assembly structure are relatively cumbersome, resulting in inconvenience in assembly and setting.

[0004] In view of this, the applicant has conducted intensive research on the above-mentioned prior art and applied theoretical knowledge to try its best to solve the above-mentioned problems, which has become the goal of the applicant's improvement. Utility Model Content

[0005] An object of the present invention is to provide a ratchet wrench assembly structure to simplify the assembly process and method and increase the convenience of assembly.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a ratchet wrench combination structure, including a wrench rod, a ratchet assembly, a buckle and a control group. The wrench rod includes a rod body having a working end and a fixed end, the working end is provided with a tool hole, and the fixed end is provided with a flange and an annular groove at intervals. The ratchet assembly includes a ratchet seat, a ratchet member and a latch. The ratchet seat is placed on the flange, and the ratchet member and the latch are arranged in the ratchet seat. The buckle is combined in the annular groove and abuts against the ratchet seat, and the ratchet seat is clamped by the buckle and positioned on the fixed end. The control group is movably arranged on the ratchet seat and includes an operating key and a latch and a spring combined in the operating key, and the latch is combined with a spring to elastically latch the latch, so that the latch engages the ratchet member.

[0007] In one embodiment of the present invention, the ratchet wrench assembly structure further includes a T-shaped handle, which is combined with the rod body and accommodates the ratchet assembly.

[0008] In one embodiment of the present invention, the ratchet wrench assembly structure further includes a fixing ring buckled at one end of the T-shaped handle, a buckle groove is provided between the working end and the fixed end of the rod body, and the T-shaped handle is fixed to the rod body by the fixing ring being embedded in the buckle groove.

[0009] In an embodiment of the present utility model, the ratchet wrench combination structure further includes a cover plate coupled to the T-shaped grip. The T-shaped grip is provided with a chute, and an opening is formed between the cover plate and the T-shaped grip to expose the chute. One end of the operating key protrudes out of the opening and is exposed on the chute.

[0010] In an embodiment of the present utility model, the T-shaped grip has a receiving space which includes a first cavity and a second cavity that are connected and communicate with each other. The first cavity has a bottom plate and houses a ratchet seat, and the second cavity has a chute and houses a cover plate.

[0011] In an embodiment of the present utility model, the ratchet seat is provided with an opening. The operating key includes a key portion and a lever portion. The key portion extends into the opening to abut against the ratchet member, and the lever portion can be rotated left and right along the chute under the action of an external force.

[0012] In an embodiment of the present utility model, the key portion is provided with a receiving hole, and a spring sleeves an insertion pin and passes through the receiving hole.

[0013] In an embodiment of the present utility model, the insertion pin has a head and a shaft portion. The spring sleeves the shaft portion, and one end of the spring abuts against the head, and the other end of the spring abuts against the wall surface of the receiving hole.

[0014] In an embodiment of the present utility model, the outer peripheral edge of the ratchet member has several equally spaced first teeth. The engaging member has several continuous second teeth on the side facing the ratchet member. The engaging member is pushed by the insertion pin, so that the second teeth engage the first teeth.

[0015] In an embodiment of the present utility model, the ratchet wrench combination structure further includes a sleeve having several anti-slip ribs. The sleeve is sleeved outside the working end.

[0016] Compared with the known technology, the rod body of the wrench rod of the ratchet wrench combination structure of the present utility model is provided with a flange and a ring groove. The ratchet set is arranged on the flange, and a snap ring is used to engage in the ring groove to clamp the ratchet seat. Accordingly, the ratchet set is positioned on the wrench rod, eliminating the processing procedures such as setting concave ring grooves and flanges on the inner edge surface of the ratchet member in the known technology, so as to simplify the assembly setting procedures and assembly setting methods, and improve the convenience of assembly setting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional external view schematic diagram of the ratchet wrench combination structure of the present utility model.

[0018] Figure 2 and Figure 3 are three-dimensional exploded view schematic diagrams of the ratchet wrench combination structure of the present utility model in two side directions.

[0019] Figure 4 and Figure 5This is a three-dimensional exploded view showing the ratchet set and the control set on both sides in the present utility model.

[0020] Figure 6 This is a combined sectional view of the ratchet wrench combined structure in the present utility model.

[0021] Figure 7 And Figure 8 This is a partial enlarged view of the ratchet wrench combined structure on both sides in the present utility model.

[0022] Explanation of symbols in the drawings:

[0023] 1: Ratchet wrench combined structure; 10: Wrench rod; 11: Rod body; 110: Tool hole; 111: Working end; 112: Fixed end; 113: Flange; 114: Ring groove; 115: Buckle groove; 20: Ratchet set; 21: Ratchet seat; 210: Through hole; 211: Groove; 212: Opening; 22: Ratchet member; 221: First tooth; 23: Latching member; 231: Second tooth; 30: Snap ring; 40: Control set; 41: Operating key; 410: Receiving hole; 411: Key part; 412: Lever part; 42: Plug pin; 421: Head; 422: Shaft part; 43: Spring; 50: Sleeve; 51: Anti-slip rib; 60: T-shaped grip; 600: Accommodating space; 61: Slide groove; 62: First cavity; 621: Bottom plate; 63: Second cavity; 70: Cover plate; 700: Opening; 80: Fixed ring. Detailed implementation manners

[0024] The detailed description and technical content of the present utility model are described as follows in conjunction with the drawings. However, the attached drawings are only for reference and illustration, and are not used to limit the present utility model.

[0025] Please refer to Figures 1 to 3 , which are respectively the three-dimensional external view and the three-dimensional exploded view on both sides of the ratchet wrench combined structure of the present utility model. The ratchet wrench combined structure 1 of the present utility model includes a wrench rod 10, a ratchet set 20, a snap ring 30 and a control set 40. The ratchet set 20 is positioned on the wrench rod 10 through the snap ring 30. The control set 40 is arranged on the ratchet set 20. The control set 40 moves under an external force and presses the ratchet set 20. Accordingly, the wrench rod 10 can rotate in a predetermined direction to perform operations of tightening and loosening nuts or bolts. The ratchet wrench combined structure 1 is described in more detail as follows.

[0026] The wrench rod 10 includes a rod body 11. The rod body 11 has a working end 111 and a fixed end 112. The working end 111 is provided with a tool hole 110. The fixed end 112 is provided with a flange 113 and a ring groove 114 at intervals.

[0027] The ratchet set 20 includes a ratchet base 21, a ratchet member 22, and a locking member 23. The ratchet base 21 is disposed on the flange of the wrench rod 10, and the ratchet member and the locking member 23 are disposed in the ratchet base 21.

[0028] Furthermore, the snap ring 30 is engaged in the annular groove 114 and abuts against the ratchet base 21. The ratchet base 21 is clamped by the snap ring 30 and positioned on the fixed end 112. The control set 40 is movably disposed on the ratchet base 21 to operate the ratchet set 20 to rotate in a predetermined direction.

[0029] In this embodiment, the ratchet wrench combination structure 1 further includes a socket 50. The socket 50 has a plurality of anti-slip ribs 51 and is sleeved outside the working end 111. The socket 50 is provided for the user to hold and move to a working position.

[0030] In addition, the ratchet wrench combination structure 1 further includes a T-shaped grip 60 and a cover plate 70 coupled to the T-shaped grip 60. The T-shaped grip 60 is coupled to the rod body 11 and houses the ratchet set 20. In addition, the T-shaped grip 60 is provided with a chute 61. An opening 700 is formed between the cover plate 70 and the T-shaped grip 60 to expose the chute 61.

[0031] The ratchet wrench combination structure 1 further includes a fixing ring 80 snapped onto one end of the T-shaped grip 60. The rod body 11 is provided with a locking groove 115 between the working end 111 and the fixed end 112. The T-shaped grip 60 is fixed to the rod body 11 by the fixing ring 80 being inserted into the locking groove 115.

[0032] Specifically, the T-shaped grip 60 has a receiving space 600, and the receiving space 600 includes a first cavity 62 and a second cavity 63 that are connected. The first cavity 62 has a bottom plate 621 and houses the ratchet base 21. The second cavity 63 has the chute 61 and houses the cover plate 70.

[0033] Please refer to Figure 4 and Figure 5 , which are the three-dimensional exploded views of both sides of the ratchet set and the control set in the present utility model. The ratchet set 20 of the present utility model includes a ratchet base 21, a ratchet member 22, and a locking member 23. The ratchet base 21 is provided with a through hole 210 and a slot 211 communicating with the through hole 210. The ratchet member 22 is disposed in the through hole 210. The locking member 23 is disposed in the slot 211 and is located on one side of the ratchet member 22. In addition, the outer peripheral edge of the ratchet member 22 has a plurality of equally spaced first teeth 221. The locking member 23 has a plurality of continuous second teeth 231 on the side facing the ratchet member 22.

[0034] Furthermore, the control group 40 includes an operation key 41, a latch 42 and a spring 43 incorporated in the operation key 41. The latch 42 is combined with the spring 43 to resiliently abut against the latch member 23, so that the latch member 23 latches the ratchet member 22.

[0035] Specifically, the ratchet seat 21 is provided with an opening 212. The operation key 41 includes a key portion 411 and a lever portion 412. The key portion 411 extends into the opening 212 to abut against the ratchet member 22. In this embodiment, the key portion 411 is provided with a receiving hole 410. The spring 43 is sleeved on the latch 42 and passes through the receiving hole 410.

[0036] Please refer to Figures 6 to 8 for the combined sectional view of the ratchet wrench combination structure of the present utility model and the partial enlarged views in both side directions thereof. The ratchet wrench combination structure 1 of the present utility model includes a wrench rod 10, a ratchet group 20, a snap ring 30, a control group 40 and the T-shaped grip 60. The rod body 11 of the wrench rod 10 is provided with a flange 113 and a ring groove 114 at the fixed end 112. The ratchet group 20 is disposed on the flange 113, and the snap ring 30 is combined in the ring groove 114 and abuts against the ratchet seat 21, thereby positioning the ratchet group 20 on the wrench rod 10. In addition, the rod body 11 is provided with a tool hole 110 at the working end 111 for sleeving a bolt or a nut and rotating it.

[0037] The control group 40 includes an operation key 41, a latch 42 and a spring 43. One end of the operation key 41 protrudes out of the opening and is exposed on the chute 61. It should be noted that the operation key 41 includes a lever portion 412. The lever portion 412 can be rotated left and right along the chute 61 of the T-shaped grip 60 under the action of an external force. In addition, the latch 42 has a head 421 and a shaft portion 422. The spring 43 is sleeved outside the shaft portion 422, and one end of the spring 43 abuts against the head 421, and the other end of the spring 43 abuts against the wall surface of the receiving hole 410.

[0038] As Figure 8 shown, the outer peripheral edge of the ratchet member 22 has several equally spaced first teeth 221. The latch member 23 has several continuous second teeth 231 on the side facing the ratchet member 22. The latch member 23 is pushed by the latch 42, so that the second teeth 231 latch the first teeth 221, enabling the ratchet wrench combination structure 1 to perform operations of tightening and loosening nuts or bolts.

[0039] The above description is only the preferred embodiment of the present utility model, and is not intended to limit the patent scope of the present utility model. Equivalent changes using the patent spirit of the present utility model should all fall within the patent scope of the present utility model.

Claims

1. A combination structure of a ratchet wrench, characterized in that, Comprising: A wrench rod, including a rod body having a working end and a fixed end. The working end is provided with a tool hole, and a flange and a ring groove are spaced apart on the fixed end; A ratchet set, including a ratchet seat, a ratchet member and a locking member. The ratchet seat is arranged on the flange, and the ratchet member and the locking member are arranged in the ratchet seat; A snap ring, combined in the ring groove and abutted against the ratchet seat. The ratchet seat is clamped by the snap ring and positioned on the fixed end; and A control group, movably arranged on the ratchet seat and including an operation key, a pin and a spring combined in the operation key. The pin is combined with the spring to elastically abut against the locking member, so that the locking member locks the ratchet member.

2. The ratchet wrench combination structure according to claim 1, wherein, Further including a T-shaped grip, which is combined on the rod body and houses the ratchet set.

3. The ratchet wrench combination structure according to claim 2, wherein, Further including a fixing ring buckled at one end of the T-shaped grip. A buckle groove is arranged between the working end and the fixed end of the rod body. The T-shaped grip is fixed on the rod body by embedding the fixing ring into the buckle groove.

4. The ratchet wrench combination structure according to claim 2, wherein Further including a cover plate combined on the T-shaped grip. The T-shaped grip is provided with a sliding groove. An opening is formed between the cover plate and the T-shaped grip and exposes the sliding groove. One end of the operation key protrudes out of the opening and is exposed on the sliding groove.

5. The ratchet wrench combination structure according to claim 4, wherein, The T-shaped grip has an accommodating space, which includes a first accommodating cavity and a second accommodating cavity communicated with each other. The first accommodating cavity has a bottom plate and houses the ratchet seat, and the second accommodating cavity has the sliding groove and houses the cover plate.

6. The ratchet wrench combination structure according to claim 4, wherein, The ratchet seat is provided with an opening. The operation key includes a key portion and a lever portion. The key portion extends into the opening to abut against the ratchet member, and the lever portion can rotate left and right along the sliding groove under the action of an external force.

7. The ratchet wrench combination structure according to claim 6, wherein, The key portion is provided with a receiving hole, and the spring sleeves the pin and passes through the receiving hole.

8. The ratchet wrench combination structure according to claim 7, wherein, The pin has a head and a shaft portion. The spring sleeves the shaft portion, and one end of the spring abuts against the head, and the other end of the spring abuts against the wall surface of the receiving hole.

9. The ratchet wrench combination structure according to claim 4, wherein, The outer peripheral edge of the ratchet member has several equally spaced first teeth. The locking member has several continuous second teeth on the side facing the ratchet member. The locking member is pushed by the pin, so that several of the second teeth lock several of the first teeth.

10. The ratchet wrench combination structure according to claim 1, wherein, Further including a sleeve having several anti-slip ribs, and the sleeve is sleeved outside the working end.

Images