CN206048014U - Ratchet wrench with fast and strong rotation - Google Patents

Abstract

The utility model relates to a ratchet wrench with the functions of rapidness and force application rotation, which comprises a handle body, a rotating head, a positioning mechanism and a sleeve, wherein the handle body comprises a receiving arm and a rod body, the rod body is provided with a containing groove, and the receiving arm is provided with a through hole communicated with the containing groove; the rotating head is connected with the bearing arm and is provided with a plurality of embedding parts; the positioning mechanism comprises a positioning piece, an elastic body and a stop piece, the elastic body is sleeved on the positioning piece and is contained in the through hole, the positioning piece is arranged corresponding to each embedded part, and the stop piece is connected with the positioning piece and is contained in the containing groove; the sleeve is sleeved on the rod body corresponding to the position of the accommodating groove, and the stopping part can be driven to slide in the accommodating groove in an operable mode, so that the positioning part can be selectively embedded and fixed with any embedded part. Therefore, the rotation transformation of the rotary head on the bearing arm can be facilitated, and the operation convenience of the ratchet wrench is further improved.

Description

Ratchet wrench with fast and strong rotation

technical field

The utility model relates to a wrench technology, in particular to a ratchet wrench with both fast and forceful rotation.

Background technique

It is quite common to apply the ratchet wrench in manual loosening or tightening. It has flexible operation and free reciprocating movement ability, and it gradually replaces the ratchet wrench in the occasion of loosening bolts, nuts or similar components. Traditional wrench.

The existing ratchet wrench mainly includes a head base, a handle extending outward from the head base, and a socket set on the head base. The socket can connect working objects, such as nuts, bolts, etc., through sleeves of various sizes. The user only needs to hold the handle and rotate it back and forth to loosen or lock the work object.

Currently, the ratchet wrench used in this field is often limited by a dead angle or a narrow space, so that the socket of the ratchet wrench cannot smoothly engage the work object. Therefore there is a kind of ratchet wrench that a socket can be rotated relative to the handle on the market to be developed.

However, the existing ratchet wrench with a rotatable socket has a complex positioning structure for the socket and is inconvenient to operate, which obviously does not meet the needs of the market.

Utility model content

The first object of the present invention is to provide a ratchet wrench with both fast and forceful rotation, which can facilitate the rotation transformation of the rotating head on the receiving arm, thereby improving the operation convenience of the ratchet wrench.

In order to achieve the above purpose, the utility model provides a ratchet wrench with both fast and forceful rotation, including:

A handle body, including a receiving arm and a rod body connected to the receiving arm, a receiving groove is opened in the rod body, and a through hole communicating with the receiving groove is provided in the receiving arm;

A swivel head, connected to the receiving arm and capable of swinging relative to the receiving arm, the swivel head is provided with a plurality of embedded parts;

A positioning mechanism, including a positioning piece, an elastic body and a stopper, the elastic body is sleeved on the positioning piece and accommodated in the through hole, one end of the positioning piece is arranged corresponding to each of the embedded parts, The stopper is connected to the other end of the positioning member and accommodated in the accommodating groove; and

A sleeve is sleeved on the rod body corresponding to the position of the accommodating groove, and can operatively drive the stopper to slide in the accommodating groove, so that the positioning member can be selectively embedded with any of the embedded parts Fixed bit.

Wherein the stopper includes a protrusion, the sleeve includes an inner ring body and an outer ring body, the inner ring body is sleeved on the rod body corresponding to the position of the accommodating groove, and the outer ring body is corresponding to the inner ring body and the outer ring body and the inner ring body clamp the protrusion together.

Wherein the stopper further includes a rectangular strip and a cap extending from the rectangular strip, and the protrusion extends from the cap and is away from the rectangular strip.

Wherein the locating member includes a propping column, a blocking section extending from the abutting column and a shaft section extending from the blocking section, the abutting column is embedded corresponding to each of the embedded parts, and the elastic body is sleeved on the The shaft section is elastically clamped between the blocking section and the bottom wall of the through hole.

Wherein the positioning member also includes a tail section extending from the shaft section, the tail section is provided with a buckle groove, the stopper includes a rectangular bar, the rectangular bar is provided with a perforation, the tail section passes through the perforation, and Fasten with a buckle corresponding to the buckle groove.

Wherein the stopper also includes a cap extending from the rectangular bar, a step is provided on the periphery of the notch of the accommodating groove, and the cap is affixed corresponding to the step.

Wherein the stopper also includes a protrusion extending from the cap, the sleeve includes an inner ring body and an outer ring body, the inner ring body is sleeved on the rod body corresponding to the position of the accommodating groove, and the outer ring body is sleeved on the rod body. The ring body is socketed corresponding to the inner ring body, and the outer ring body and the inner ring body clamp the protrusion together.

Wherein the rotating head includes an outer shell and a socket assembly mounted on the shell, and each of the embedding parts is set on two corresponding positions on the side wall of the shell and on the socket assembly.

Wherein the socket assembly includes a ratchet part and a clamping mechanism, and a bead-holding hole is opened on the side of the ratchet part, and the clamping mechanism includes a push rod and a ball, wherein the embedded part of the socket assembly A part is opened on the end face of the push rod, the push rod is provided with a gap, the push rod passes through the ratchet part, the ball is installed between the ratchet part and the push rod and is set corresponding to the bead-holding hole.

Wherein the clamping mechanism further includes a volute spring, and the volute spring is elastically clamped between the push rod and the ratchet member.

The utility model also has the following advantages, which is that the inner ring body and the outer ring body jointly clamp the protrusion of the stopper, so as to achieve the ease of assembly. By sticking the cap corresponding to the step, the stability of the movement of the stopper in the accommodating groove is improved. The sleeve of the utility model can be operated with one hand, which further increases the convenience of use.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the ratchet wrench of the present invention.

Fig. 2 is the external view of the combination of the rotating head and the handle body in a vertical shape of the utility model.

FIG. 3 is a cross-sectional view of a partial area of FIG. 2 .

Fig. 4 is a combined sectional view of the sleeve of the present invention moving away from the receiving arm.

Fig. 5 is a cross-sectional view of the rotating head of the present invention during the swinging process.

Fig. 6 is an appearance diagram of the combination of the adjusted rotating head and the upright handle of the utility model.

FIG. 7 is a cross-sectional view of a partial area of FIG. 6 .

Fig. 8 is a cross-sectional view (1) of the clamping mechanism of the present invention in use.

Fig. 9 is a cross-sectional view (2) of the clamping mechanism of the present invention in use.

In the picture:

10...handle body; 11...receiving arm; 111...screw hole; 112...through hole; 12...rod body; 121...accommodating groove;

122...step; 20...rotating head; 21...outer shell; 211...embedded part; 22...socket assembly;

221... ratchet piece; 222... ratchet block; 223... bead hole; 23... screw assembly; 24... clamping mechanism;

241...push rod; 242...volute spring; 243...ball; 244...notch; 30...positioning mechanism;

31...positioning piece; 311...resisting column; 312...blocking section; 313...shaft section; 314...tail section;

315…buckle groove; 316…buckle ring; 32…elastomer; 33…stopper; 331…rectangular strip;

332...cap; 333...bulge; 334...perforation; 40...sleeve; 41...inner ring body;

411...cogs; 42...outer ring body.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

Please refer to FIG. 1 to FIG. 3 , the utility model provides a ratchet wrench with both fast and forceful rotation, which mainly includes a handle body 10 , a rotating head 20 , a positioning mechanism 30 and a sleeve 40 .

The handle body 10 includes a receiving arm 11 and a rod body 12 extending outward from the bottom end of the receiving arm 11. The receiving arm 11 is roughly U-shaped, and a screw hole 111 is respectively provided on its opening side, and a screw hole 111 is respectively provided on the closed side. A through hole 112 is defined. A receiving groove 121 is defined at a position adjacent to the receiving arm 11 on the rod body 12 , and the receiving groove 121 communicates with the aforementioned through hole 112 .

The rotary head 20 includes an outer casing 21 and a socket assembly 22 installed on the outer casing 21. The outer casing 21 is approximately hemispherical, and is threaded through the aforementioned screw holes 111 by screw fixing components 23 such as bolts, so that the rotary head 20 is installed on the receiving arm 11, and the swivel head 20 can be rotated and swung relative to the receiving arm 11. A plurality of embedded parts 211 are respectively provided on the outer shell 21 corresponding to the positions of the aforementioned through holes 112. The embedded parts 211 of this embodiment The part 211 is a recess, but not limited to this type. In addition, the number of embedded parts 211 is five, which are respectively located in the center of the outer casing 21 and two corresponding positions on the sidewall. The socket assembly 22 mainly includes a ratchet part 221 and a ratchet block 222 (as shown in FIG. 4 ). Since the features and functions of these components are the same as those of the prior art, they will not be described in detail one by one.

The positioning mechanism 30 includes a positioning piece 31, an elastic body 32 and a stopper 33. The positioning piece 31 includes a propping column 311, a blocking section 312 extending backward from the abutting column 311, and a blocking section 312 extending backward from the blocking section 312. A shaft section 313 extends and a tail section 314 extends backward from the shaft section 313 . A buckle groove 315 is defined in the tail section 314 to provide a buckle ring 316 for fastening connection. The elastic body 32 in this embodiment is a helical compression spring, but it is not limited to this type. It is sleeved on the outer peripheral edge of the shaft section 313 and accommodated in the aforementioned through hole 112 together with the positioning member 31 middle. The stopper 33 includes a rectangular strip 331, a cap 332 extending from the rectangular strip 331 and a protrusion 333 extending from the cap 332, and a perforation 334 is provided on the rectangular strip 331 to provide the aforementioned tail section 314 The cap 332 is attached corresponding to the aforementioned step 122, fastened by the buckle ring 316 corresponding to the buckle groove 315, and then the stopper 33 is combined and installed in the aforementioned accommodating groove 121. At this time, the elastic body 32 It is elastically clamped between the blocking section 312 and the bottom wall of the through hole 112 of the receiving arm 11 .

The sleeve 40 includes an inner ring body 41 and an outer ring body 42, a plurality of cogs 411 are provided on the outer periphery of the inner ring body 41, and the inner ring body 41 is sleeved on the rod body 12 corresponding to the position of the aforementioned accommodating groove 121. On the outer peripheral edge, the outer ring body 42 is also sleeved on the rod body 12 corresponding to the position of the accommodating groove 121, and the inner ring body 41 is pressed into the inside of the outer ring body 42, and jointly clamps the aforementioned protrusion 333, and the inner ring body 41 The ring body 41 is fixedly combined with the outer ring body 42 through the cogs 411. At this time, the sleeve 40 can be used to make axial displacement on the rod body 12 back and forth, and then the stopper 33 can be operably driven in the accommodation groove 121. sliding, so that the positioning member 31 can be selectively embedded and fixed with any embedded portion 211 .

The above-mentioned components can be combined into a ratchet wrench. Since the abutment column 311 is embedded and fixed in position corresponding to the embedded part 211 on the side of the outer shell 21 of the rotary head 20, the ratchet part 221 of the rotary head 20 and the handle body 10 are fixed. The rod body 12 is arranged in a vertical relationship. At this time, the ratchet wrench can be socketed with any hand tool at the end of the ratchet member 221 , and then the ratchet wrench can be used for force rotation.

Please refer to Fig. 4, the rotary head 20 of the present invention also includes a clamping mechanism 24, wherein the aforementioned ratchet part 221 exposes a bead holding hole 223 on the side of the outer casing 21, and the clamping mechanism 24 mainly includes a push Rod 241, a volute spring 242 and a ball 243, the aforementioned embedded portion 211 is provided on one end surface of the push rod 241, the other side of the push rod 241 is provided with a gap 244, and the push rod 241 is connected to the aforementioned ratchet member 221 At the center, the scroll spring 242 is elastically clamped between the end of the push rod 241 and the ratchet member 221 , and the ball 243 is installed between the ratchet member 221 and the push rod 241 and is arranged corresponding to the bead hole 223 .

Please refer to Fig. 5 to Fig. 7, when it is necessary to change the swivel head 20 into different yaw positions, it can be operated with one hand, first hold the handle body 10 with the palm and three fingers, and then Press the sleeve 40 with your index finger, and then move the sleeve 40 away from the receiving arm 11, the sleeve 40 will drive the stopper 33 to move away in the accommodating groove 121, and the positioning member 31 will retract into the through hole 112, so that the abutting column 311 can break away from the embedded state with the embedded part 211. At this time, the pivot joint between the rotating head 20 and the receiving arm 11 can be used as the center of rotation, and the rotating head 20 can be rotated, and then the The abutting column 311 of the positioning member 31 is embedded and fixed corresponding to the embedded portion 211 of the push rod 241 .

When the abutment column 311 is embedded and fixed corresponding to the embedded part 211 of the push rod 241 of the rotary head 20, the ratchet part 221 of the rotary head 20 and the rod body 12 of the handle body 10 are arranged in an upright relationship, and the ratchet wrench can be used at this moment. The end of the ratchet part 221 is socketed with any hand tool, and then the sleeve 40 is held with one hand and the other hand is used to rotate the handle body 10, so that the ratchet wrench can be stably rotated quickly.

Please refer to Fig. 8 to Fig. 9, since the push rod 241 of the clamping mechanism 24 is under the elastic force of the scroll spring 242 under the normal state, it will push the ball 243 in the bead-holding hole 223 with its rod body, and then it can Make the socket tool (not shown) be stably held on the socket section of the ratchet part 221, when the aforementioned tool is to be unloaded from the socket section of the ratchet part 221, hold the handle with the palm and four fingers 10, and then push the sleeve 40 with the thumb to move relative to the handle body 10, at this time, the positioning member 31 will push the push rod 241 and make the scroll spring 242 compress, and then make the push rod 241 move toward the outside of the ratchet member 221, When the notch 244 of the push rod 241 is aligned with the position of the ball 243, the ball 243 will fall into the notch 244 to release the force exerted by the ball 243 on the tool, so that the tool can be easily released from the ratchet part 221. Detach from the socket section.

The ratchet wrench of the present utility model can be operated with one hand in the process of changing the rotating head 20 quickly or applying force, and can also be operated with one hand during the process of unloading the ratchet part 221 from the sleeve tool. It is operated by hand, which increases the convenience of use.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (10)

1. it is a kind of to have quick and force rotation ratchet spanner concurrently, it is characterised in that to include:

One handle body, including a holding arm and connect the body of rod of the holding arm, a storage tank is offered in the body of rod, the undertaking Arm offers the through hole for connecting the storage tank；

One swivel head, connects the holding arm and can be provided with multiple embedded divisions with respect to the holding arm swing, the swivel head；

One detent mechanism, including positioning piece, an elastomer and a stop part, the elastomer sleeve are connected on the keeper and are installed with In the through hole, one end of the keeper is arranged corresponding to the respectively embedded division, and the stop part is connected to the other end of the keeper simultaneously And be installed with the storage tank；And

One sleeve, to should storage tank position be socketed on the body of rod, and being operable to property drives the stop part accommodating at this Sliding in groove, so that the keeper being capable of selectivity and arbitrary embedded division build-in positioning.

2. it is according to claim 1 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein stop part Including a projection, the sleeve includes an inner ring body and an outer ring body, the inner ring body to should storage tank position be socketed in the body of rod On, the outer ring body to should inner ring body socket, and the outer ring body and the inner ring body clamp the projection jointly.

3. it is according to claim 2 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein stop part The cap for also including a rectangular strip and extending from the rectangular strip, the projection extend from the cap and away from the rectangular strip.

4. it is according to claim 1 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein keeper Support post, a stop section and the shaft section from stop section extension of post extension are supported from this including one, this supports post correspondence Respectively the embedded division is embedded, the elastomer sleeve be connected in the shaft section and by resilient clamp the stop section and the through hole diapire it Between.

5. it is according to claim 4 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein keeper Also include from the shaft section rear for extending, the rear offers a catching groove, and the stop part includes a rectangular strip, the rectangular strip Offer a perforation, the rear is worn and connects the perforation, and with a clasp to should catching groove buckle solid.

6. it is according to claim 5 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein stop part Also include from the rectangular strip cap for extending, the notch periphery of the storage tank is provided with a step, and the cap corresponds to the step Amplexiform.

7. it is according to claim 6 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein stop part Also include from the cap projection for extending, the sleeve includes an inner ring body and an outer ring body, the inner ring body is to should storage tank Position is socketed on the body of rod, the outer ring body to should inner ring body socket, and the outer ring body clamped jointly with the inner ring body The projection.

8. it is according to claim 1 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein swivel head Including a shell body and a set of connected components installed in the shell body, respectively the embedded division is opened in the two of the shell body sidewall respectively On opposite position and the set connected components.

9. it is according to claim 8 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein socket group Part includes a ratchet member and a catch mechanism, laterally offers an appearance hole of bead in the ratchet member, and the catch mechanism includes that one pushes away Bar and a ball, wherein the embedded division positioned at the set connected components is opened in the push rod end face, the push rod is provided with a breach, and this pushes away Bar is worn and connects the ratchet member, and the ball is arranged between the ratchet member and the push rod and to holding hole of bead setting.

10. it is according to claim 9 to have quick and force rotation ratchet spanner concurrently, it is characterised in that the wherein clamping Mechanism also includes a volute spring, and the volute spring is by resilient clamp between the push rod and the ratchet member.