CN218698236U - Ratchet wrench - Google Patents

Abstract

The utility model relates to a ratchet wrench contains: the first opening of the grab handle is connected with a positioning seat and an adjusting structure of a positioning piece, the positioning seat is provided with a positioning hole comprising a corner column hole and a cylindrical hole which are communicated, and the second opening of the grab handle is connected with a ratchet structure; the rod piece comprises a corner column section and a cylindrical section, and can be arranged in the positioning hole in a sliding manner, the rod piece is provided with a through hole which penetrates through the rod piece, the corner column section is connected with a ring body provided with a wrench, the cylindrical section is provided with a first positioning part, the corner column section is provided with a second positioning part, and the positioning part is selectively clamped in the first positioning part or the second positioning part; a shaft rod, which is arranged in the through hole and can rotate relative to the rod piece, wherein one end of the shaft rod is provided with a gear which is intersected with the wrench, and the other end of the shaft rod is provided with a combined piece which is clamped with the ratchet wheel structure. The positioning piece is clamped in different positioning parts, so that the ratchet wrench has different use modes to correspond to different use occasions.

Description

Ratchet wrench

Technical Field

The present invention relates to a ratchet wrench, and more particularly to a ratchet wrench capable of adjusting the relative position of a handle and a rod to change the usage mode.

Background

For example, taiwan patent publication No. M559224 discloses a screwdriver and a ratchet mechanism thereof, which includes: a main body seat, which is provided with a first limit part, a second limit part and two blocking parts arranged at intervals; a ratchet spring piece, which is provided with two abutting parts corresponding to the two blocking parts; one side of each blocking piece is blocked on one blocking part, and the other side of each blocking piece is propped against one propping part of the ratchet spring piece, so that each blocking piece is respectively positioned between one blocking part and one propping part; a gear shaft, a gear part is arranged between the two stop plates, and the gear part and the two stop plates can be adjusted between an intersection and a non-intersection; a positioning elastic sheet arranged in the main body seat and provided with an operating part; a ratchet direction adjusting piece, which has two contact pieces corresponding to one of the blocking pieces, and an operated part corresponding to the operating part. The operating portion is used for operating the operated portion to enable one of the contact pieces to contact one of the blocking pieces, so that one of the blocking pieces is operated by the contact piece and does not intersect with the tooth portion of the gear shaft, and the rotating direction of the tooth portion is adjusted.

However, the above prior art combines the screwdriver with the ratchet mechanism, which can control whether the screwdriver can rotate forward or backward, but the driving method of the hand tool cannot be changed to adapt to different application occasions, and the improvement on the application is needed.

SUMMERY OF THE UTILITY MODEL

Accordingly, the present invention is directed to a ratchet wrench with a changeable use mode.

In order to achieve the above object, the utility model provides a ratchet wrench, contain: a handle, having a first opening, a second opening and a containing space, the first opening is connected with an adjusting structure, the adjusting structure has a positioning seat and a positioning member, the positioning seat has a positioning hole, the positioning hole includes a corner post hole and a cylindrical hole, the second opening is connected with a ratchet structure; a rod piece, which can be glidingly arranged in the positioning hole and comprises a corner column section and a cylindrical section, wherein the rod piece is provided with a through hole penetrating through the rod piece, the corner column section is connected with a ring body, the ring body is provided with a wrench, the wrench can rotate relative to the ring body, the cylindrical section is provided with a first positioning part, the corner column section is provided with a second positioning part, and the positioning part is selectively clamped in the first positioning part or the second positioning part so as to adjust the relative position of the grab handle and the rod piece; a shaft lever, which is arranged in the through hole and can rotate relative to the rod lever, one end of the shaft lever is provided with a gear, the gear is intersected with the wrench, the other end of the shaft lever is provided with an assembly, and the assembly is clamped with the ratchet structure.

Further, the ratchet structure comprises: the driving seat body is provided with a first limiting part, a second limiting part and two blocking parts arranged at intervals; a ratchet spring piece, which is provided with two abutting parts corresponding to the two blocking parts; one side of each blocking piece is blocked on one blocking part, and the other side of each blocking piece is propped against one propping part of the ratchet spring piece, so that each blocking piece is respectively positioned between one blocking part and one propping part; a gear shaft having a tooth portion and a combining hole, wherein the tooth portion is located between the two stop plates, the tooth portion and the two stop plates can be adjusted between the intersection and the non-intersection, and the combining hole is used for the combination to penetrate and fix; a positioning elastic sheet which is arranged in the driving seat body and is provided with an operation part; a ratchet direction adjusting piece, which is provided with two contact pieces respectively corresponding to one of the blocking pieces and an operated part corresponding to the operating part; the operating part is used for driving the operated part to enable one contact piece to contact one blocking piece, so that one blocking piece is operated by the contact piece and does not intersect with the tooth part of the gear shaft, and the rotating direction of the tooth part is adjusted.

Furthermore, the corner post section is provided with a third positioning part, the assembly part is detachably clamped with the ratchet structure, the positioning part is selectively fixed on the first positioning part, the second positioning part or the third positioning part, and when the positioning part is fixed on the third positioning part, the assembly part is separated from the ratchet structure.

Further, the wrench includes a gear plate and a sleeve, the gear plate is connected to the sleeve, and the gear plate is intersected with the gear.

Furthermore, the adjusting structure includes an adjusting member for controlling the engaging relationship between the positioning member and the first positioning portion, the second positioning portion and the third positioning portion.

Furthermore, the shaft rod is combined with the rod piece through two C-shaped buckles.

Furthermore, the first limiting part comprises a first concave space, two side walls adjacent to the first concave space are respectively provided with an embedded block, and the ratchet spring piece is provided with two embedded grooves corresponding to the embedded blocks of the two side walls, so that the ratchet spring piece is fixed on the first limiting part.

Furthermore, the second limiting part comprises a second concave space, a retaining wall is arranged adjacent to the second concave space, the positioning elastic sheet is arranged in the second concave space, and two ends of the positioning elastic sheet are propped against the two retaining walls.

Further, the ratchet direction adjusting member is coupled to a screw cap.

Furthermore, the operating part of the positioning elastic sheet is a convex part, and the operated part of the ratchet direction adjusting piece is correspondingly three concave parts which are arranged side by side.

According to the technical characteristics, the following effects can be achieved:

1. the relative position of the grab handle and the rod piece is adjusted by respectively clamping the positioning piece in different positioning parts, so that the driving form of the ratchet wrench is controlled to deal with different use occasions.

2. When the positioning piece is clamped on the first positioning part, the wrench can be driven to rotate by rotating the grab handle, so that the use occasion where the grab handle is inconvenient to swing by a large margin is met.

3. When the positioning piece is clamped on the second positioning part, the wrench can be driven to rotate by swinging the grab handle, so that the wrench can be quickly rotated correspondingly to the use occasion.

Further, the following effects can be achieved:

4. when the fastener of locating piece in third location portion, can be connected sub-assembly and pneumatic tool, let pneumatic tool drive axostylus axostyle rotate, borrow this to drive the wrench and rotate to reach the effect through electric drive wrench.

5. The ratchet wrench is combined with the ratchet mechanism to control the forward rotation and the reverse rotation of the ratchet wrench so as to correspond to more use occasions.

Drawings

Fig. 1 is an exploded perspective view of an embodiment of the present invention;

FIG. 2 is a schematic diagram (one) of the wrench according to the embodiment of the present invention;

fig. 3 is a schematic view illustrating the positioning element of the embodiment of the present invention being engaged with the first positioning portion;

figure 4 is a cross-sectional view of a ratchet configuration of an embodiment of the present invention;

FIG. 5 is a schematic diagram (I) of the ratchet structure according to the embodiment of the present invention;

FIG. 6 is a second operation diagram of the ratchet structure according to the embodiment of the present invention;

FIG. 7 is a schematic view (I) of the adjusting member of the embodiment of the present invention not abutting against the positioning member;

FIG. 8 is a schematic view (II) illustrating the adjusting member of the embodiment of the present invention not abutting against the positioning member;

fig. 9 is a schematic view illustrating the positioning element of the embodiment of the present invention being engaged with the second positioning portion;

fig. 10 is a schematic view (iii) illustrating the adjusting member of the embodiment of the present invention not abutting against the positioning member;

fig. 11 is a schematic view illustrating the positioning element of the embodiment of the present invention being engaged with the third positioning portion;

fig. 12 is a reference view illustrating the assembly and the pneumatic tool connected to each other when the positioning member according to the embodiment of the present invention is engaged with the third positioning portion.

Description of the symbols:

1: grab handle

11: first opening

12: second opening

13: containing space

14: adjusting structure

141: positioning seat

142: locating piece

143: adjusting piece

144: resetting piece

15: locating hole

151: corner post hole

152: cylindrical bore

2: ratchet structure

21: driving seat

211: a first limit part

212: first concave space

213: insert block

214: second limit part

215: second concave space

216: retaining wall

217: blocking part

22: ratchet spring

221: abutting part

222: caulking groove

23: baffle plate

24: gear shaft

241: toothed section

242: combined hole

25: positioning spring plate

251: operation part

26: ratchet direction adjusting piece

261: contact element

262: operated part

27: screw cap

3: rod piece

31: corner post segment

311: ring body

32: cylindrical section

33: perforation

34: wrench

341: toothed disc

342: sleeve barrel

35: a first positioning part

36: second positioning part

37: third positioning part

4: shaft lever

41: gear wheel

42: assembly unit

5: c-shaped button

A: direction of rotation of the wrench

B: direction of rotation of handle

C: swing direction of handle

D: a pneumatic tool.

Detailed Description

By combining the above technical features, the main functions of the ratchet wrench of the present invention will be clearly demonstrated in the following embodiments.

Referring to fig. 1 to 3, a structure of an embodiment of the present invention is illustrated, which includes a handle 1, a rod 3, and a shaft 4.

The handle 1 is in a hollow cylinder shape, the outer surface of the handle is provided with an anti-slip structure formed by a plurality of convex blocks, the openings at two ends of the handle 1 respectively comprise a first opening 11 and a second opening 12, and an accommodating space 13 communicated with the first opening 11 and the second opening 12 is arranged between the first opening 11 and the second opening 12. The first opening 11 is connected to the adjusting structure 14, the adjusting structure 14 includes a positioning seat 141, a positioning member 142, an adjusting member 143, and a resetting member 144, the positioning seat 141 is provided with a positioning hole 15 at the center thereof, the positioning hole 15 is a corner post hole 151 and a cylindrical hole 152 which are communicated with each other, the corner post hole 151 is a hexagonal through hole in the embodiment, and the cylindrical hole 152 is a circular through hole.

The rod 3 is an independent rod and is installed in the first opening 11 of the handle 1, the rod 3 may include a corner column 31 and a cylinder 32, the corner column 31 is a hexagonal cylinder in this embodiment and has a through hole 33 penetrating through the whole rod 3, the corner column 31 is connected to the ring 311, the ring 311 is provided with a wrench 34, the wrench 34 includes a fluted disc 341 and a sleeve 342 connected to each other, and the wrench 34 can rotate relative to the ring 311. The surface of the cylindrical section 32 is provided with a first positioning portion 35 of a ring-shaped groove, and the surface of the corner column section 31 is provided with a second positioning portion 36 of a ring-shaped groove and a third positioning portion 37 of a ring-shaped groove.

Referring to fig. 3 and 7, in the adjusting structure 14 in fig. 3, a positioning element 142 and a restoring element 144 are disposed between the positioning seat 141 and the adjusting element 143, the positioning element 142 is a ball in this embodiment, and the restoring element 144 is a spring in this embodiment, at this time, the positioning seat 141 and the adjusting element 143 limit the movement of the positioning element 142, so that the positioning element 142 is engaged with the first positioning portion 35. Fig. 7 shows that after the adjusting element 143 is pressed down toward the positioning seat 141, the positioning seat 141 and the adjusting element 143 do not limit the movement of the positioning element 142, at this time, the positioning element 142 may be temporarily detached from the first positioning portion 35, so that the relative position of the handle 1 and the rod 3 may be adjusted, and the force applied to the adjusting element 143 is stopped, the resetting element 144 may push the adjusting element 143 back to the original position, so that the positioning element 142 may be engaged with the first positioning portion 35, wherein the positioning element 142 may be selectively engaged with the first positioning portion 35, the second positioning portion 36, or the third positioning portion 37, and fig. 3 illustrates the positioning element 142 being engaged with the first positioning portion 35.

Referring to fig. 1 to 3 again, the shaft 4 is disposed in the through hole 33, and is combined with the rod 3 through the C-shaped buckle 5, and the shaft 4 can rotate relative to the rod 3, and one end of the shaft 4 is disposed with the gear 41, and the gear 41 intersects with the fluted disc 341, so that the rotation of the wrench 34 drives the shaft 4 to rotate, and vice versa. The other end of the shaft 4 is provided with a combination 42, the combination 42 being of hexagonal cylindrical shape and being detachably connected to the ratchet construction 2.

When the positioning member 142 is engaged with the first positioning portion 35, the handle 1 is rotated along the handle rotation direction B to drive the shaft rod 4 to rotate so as to drive the wrench 34 to rotate along the wrench rotation direction a, thereby corresponding to the inconvenient use situation of swinging the handle 1 by a large margin.

Referring to fig. 4, the structure of the ratchet structure 2 according to the embodiment of the present invention is further described, the ratchet structure 2 is installed in the second opening 12, and includes a driving seat 21, and the inner wall surface of the driving seat 21 has a first position-limiting portion 211, a second position-limiting portion 214 and two blocking portions 217 disposed at intervals.

The ratchet spring 22 is disposed on the first position-limiting portion 211 of the accommodating space 13, and the ratchet spring 22 has two abutting portions 221 corresponding to the two blocking portions 217, in this embodiment, the first position-limiting portion 211 includes a first concave space 212, two side walls adjacent to the first concave space 212 are respectively provided with an insert 213, and the ratchet spring 22 has two insert slots 222 corresponding to the inserts 213 of the two side walls, so as to fix the ratchet spring 22 on the first position-limiting portion 211.

The two blocking pieces 23 are disposed in the driving base 21, one side of each blocking piece 23 is blocked on one of the blocking portions 217, and the other side of each blocking piece 23 is abutted by one of the abutting portions 221 of the ratchet spring 22, so that each blocking piece 23 is respectively positioned between one of the blocking portions 217 and one of the abutting portions 221.

The gear shaft 24 passes through the driving seat body 21, the gear shaft 24 is provided with a combination hole 242, and the combination hole 242 can be detachably combined with the combination member 42, so that the tooth portion 241 of the gear shaft 24 is located between the two blocking pieces 23.

The positioning elastic piece 25 is disposed on the second limiting portion 214 of the driving base 21, the second limiting portion 214 includes a second concave space 215, a second blocking wall 216 is disposed adjacent to the second concave space 215, the positioning elastic piece 25 is disposed in the second concave space 215, two ends of the positioning elastic piece are abutted against the second blocking wall 216, an operation portion 251 is disposed on the positioning elastic piece 25, and the operation portion 251 is a convex portion in this embodiment.

The ratchet direction adjusting member 26 is coupled to the rotary cover 27, the ratchet direction adjusting member 26 has two contact members 261 corresponding to one of the blocking pieces 23, the ratchet direction adjusting member 26 has an operated portion 262 corresponding to the operating portion 251 of the positioning spring 25, and the operated portion 262 is three parallel concave portions corresponding to the operating portion 251.

Referring to fig. 5 and fig. 6, the operation mode of the ratchet structure 2 according to the embodiment of the present invention is illustrated, according to the rotation direction of the tool to be operated, such as a ratchet wrench, the operated portion 262 of the ratchet direction adjusting member 26 can be operated by the operating portion 251 of the positioning spring 25, such that one of the contact members 261 contacts one of the blocking pieces 23, such that one of the blocking pieces 23 is operated by the contact member 261 without intersecting with the tooth portion 241 of the gear shaft 24, so as to adjust the rotation direction of the gear shaft 24.

For example, when the operation portion 251 having a convex portion is operated to a concave portion located at the right position of the operated portion 262, the tooth portion 241 of the gear shaft 24 is not restrained at the left side, and therefore the tooth portion 241 can be reversed in the counterclockwise direction; when the operating portion 251, which is a convex portion, is operated to a concave portion located on the left side of the operated portion 262, the tooth portion 241 of the pinion 24 is not restrained on the right side, and therefore the tooth portion 241 can be rotated clockwise. Thereby achieving the effect of forward/backward rotation of the gear shaft 24, and the gear shaft 24 drives the tool to be operated, such as a ratchet wrench.

Referring to fig. 3, fig. 7 to fig. 9, the operation mode of the positioning element 142 in the embodiment of the present invention is changed from the state of engaging the first positioning portion 35 to the state of engaging the second positioning portion 36, when the engaging position of the positioning element 142 is to be changed, first, after the adjusting element 143 is pressed down toward the positioning seat 141, the positioning element 142 may be temporarily separated from the first positioning portion 35 (as shown in fig. 7), then, the rod element 3 is moved to move the second positioning portion 36 to the position aligned with the positioning element 142 (as shown in fig. 8), and the adjusting element 143 is released, the restoring element 144 will push the adjusting element 143 back to the original position, so that the positioning element 142 is engaged with the second positioning portion 36 (as shown in fig. 9).

When the positioning element 142 is engaged with the second positioning portion 36, the corner post segment 31 is engaged with the corner post hole 151, and the handle 1 and the rod 3 are in a fixed state, at this time, the handle 1 can be moved along the handle swinging direction C, so as to drive the wrench 34 to rotate along the wrench rotating direction a, so as to correspond to the application occasion where the wrench 34 needs to be rotated quickly.

Referring to fig. 10 and 11, the operation mode of the positioning element 142 in the embodiment of the present invention is changed from the state of engaging with the second positioning portion 36 to the operation mode of engaging with the third positioning portion 37, which is similar to the operation mode of changing the state of engaging with the first positioning portion 35 of the positioning element 142 to the state of engaging with the second positioning portion 36, after the adjusting element 143 is pressed down toward the positioning seat 141, the positioning element 142 can be temporarily separated from the second positioning portion 36, then the rod 3 is moved to move the third positioning portion 37 to the position aligned with the positioning element 142 (as shown in fig. 10), and then the adjusting element 143 is released, and the restoring element 144 pushes the adjusting element 143 back to the original position, so that the positioning element 142 is engaged with the third positioning portion 37 (as shown in fig. 11). Similarly, when the positioning element 142 is engaged with the third positioning portion 37, the corner post segment 31 is engaged with the corner post hole 151, and the handle 1 and the rod 3 are in a fixed state.

With reference to fig. 11 and 12, a reference diagram of a using state of the assembly 42 and the pneumatic tool D is illustrated when the positioning element 142 is engaged with the third positioning portion 37 according to the embodiment of the present invention, and the positioning element 142 is engaged with the third positioning portion 37, and the assembly 42 penetrates the ratchet structure 2, so as to facilitate assembling the pneumatic tool D and the assembly 42, and at this time, the pneumatic tool D can be started to drive the shaft rod 4 to rotate, so as to rotate the wrench 34, so as to correspond to a use situation where the electric driving wrench 34 is required to be used. It should be noted that the combination 42 is not connected to the combination hole 242, so that the rotation of the shaft 4 is not affected by the ratchet mechanism 2 (see fig. 2 and 4).

By combining the above description of the embodiments, the operation, use and effect of the present invention can be fully understood, but the above embodiments are only preferred embodiments of the present invention, and the range of the present invention can not be limited thereby, and the simple equivalent changes and modifications made by the application patent range and the creation description of the present invention all belong to the scope covered by the present invention.

Claims (10)

1. A ratchet wrench, comprising:

a handle, having a first opening, a second opening and a containing space, the first opening is connected with an adjusting structure, the adjusting structure has a positioning seat and a positioning member, the positioning seat has a positioning hole, the positioning hole includes a corner post hole and a cylindrical hole, the second opening is connected with a ratchet structure;

the rod piece is arranged in the positioning hole in a sliding manner and comprises a corner column section and a cylindrical section, a through hole is formed in the rod piece and penetrates through the rod piece, the corner column section is connected with a ring body, the ring body is provided with a wrench, the wrench can rotate relative to the ring body, the cylindrical section is provided with a first positioning part, the corner column section is provided with a second positioning part, and the positioning part is selectively clamped in the first positioning part or the second positioning part so as to adjust the relative position of the grab handle and the rod piece;

a shaft lever, which is arranged in the through hole and can rotate relative to the rod member, wherein one end of the shaft lever is provided with a gear which is intersected with the wrench, the other end of the shaft lever is provided with a combination piece, and the combination piece is clamped in the ratchet structure.

2. The ratchet wrench of claim 1, wherein the ratchet structure comprises:

the driving seat body is provided with a first limiting part, a second limiting part and two blocking parts arranged at intervals;

a ratchet spring piece, which is provided with two abutting parts corresponding to the two blocking parts;

one side of each blocking piece is blocked on one blocking part, and the other side of each blocking piece is propped against one propping part of the ratchet spring piece, so that each blocking piece is respectively positioned between one blocking part and one propping part;

the tooth part is positioned between the two stop plates, the tooth part and the two stop plates can be adjusted between an intersection and a non-intersection, and the combined hole is used for the combined part to penetrate and fix;

a positioning elastic sheet which is arranged in the driving seat body and is provided with an operation part;

a ratchet direction adjusting piece, which is provided with two contact pieces respectively corresponding to one of the blocking pieces and an operated part corresponding to the operating part;

the operating part is used for driving the operated part to enable one contact piece to contact one blocking piece, so that one blocking piece is operated by the contact piece and does not intersect with the tooth part of the gear shaft, and the rotating direction of the tooth part is adjusted.

3. The ratchet wrench of claim 1, wherein the corner post segment has a third positioning portion, the assembly is detachably engaged with the ratchet structure, the positioning member is selectively fixed to the first positioning portion, the second positioning portion or the third positioning portion, and the assembly is separated from the ratchet structure when the positioning member is fixed to the third positioning portion.

4. The ratchet wrench of claim 1, wherein the wrench includes a toothed plate and a sleeve, the toothed plate being connected to the sleeve, the toothed plate intersecting the gear.

5. The ratchet wrench of claim 3, wherein the adjustment structure comprises an adjustment member for controlling the engagement between the positioning member and the first positioning portion, the second positioning portion, and the third positioning portion.

6. The ratchet wrench of claim 1, wherein the shaft is coupled to the lever by two C-shaped buckles.

7. The ratchet wrench of claim 2, wherein the first position-limiting portion comprises a first recessed space, two side walls adjacent to the first recessed space each have an insert, and the ratchet spring has two slots corresponding to the inserts of the two side walls for fixing the ratchet spring to the first position-limiting portion.

8. The ratchet wrench of claim 2, wherein the second limiting portion comprises a second recessed space, a retaining wall is disposed adjacent to the second recessed space, the positioning spring is disposed in the second recessed space, and two ends of the positioning spring abut against the retaining wall.

9. The ratchet wrench of claim 2, wherein the ratchet direction adjuster is coupled to a screw cap.

10. The ratchet wrench of claim 2, wherein the operating portion of the positioning spring is a protrusion, and the operated portion of the ratchet direction adjuster corresponds to three recesses arranged side by side.

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