TWI830672B - Ratchet wrench capable of rapidly turning - Google Patents

Abstract

A ratchet wrench includes a body, a ratchet head, and a toggle disk. The ratchet head is rotatably arranged in the body. One end of the ratchet head is provided with a driving portion and an engaging member, and the ratchet head is provided with a containing recess and a control groove communicated with the containing recess. The containing recess is arranged in the driving portion, and the engaging member is arranged in the containing recess. An outer periphery of the toggle disk is provided with a toggle portion, and the toggle disk can rotate synchronously with the ratchet head or move relative to the ratchet head. The toggle disk is connected with a control rod inserted into the control groove and abutting against the engaging member. When the toggle disk moves, the engaging member is protruded or retracted. Thus, the ratchet wrench can not only be rapidly turned by a user but also can be rapidly replace the socket.

Description

Quick-turn ratchet wrench

The present invention mainly discloses a ratchet wrench, especially a ratchet wrench that can be turned quickly.

Please refer to the "ratchet wrench structure" patent case of my country Patent No. I640404, which is a ratchet wrench structure, which includes: a system provided with a first groove, a second groove and a first peripheral surface; a ratchet system The ratchet is pivoted in the first groove, and the ratchet is provided with a ratchet part, a first combining part, a pressing part and a first pivot part; a rotating disk is combined with the ratchet and rotates integrally, and the rotating disk is provided with There is a rotating part and a second connecting part. The second connecting part is sleeved on the first connecting part. The rotating plate is provided with a fitting groove, and the first end is protruded from the fitting groove. A first abutment part is disposed between the second combining part and the fitting groove, and the pressing abutting part abuts against the first abutting part, so that the ratchet wheel and the rotating disk are limited by the pressing abutment. part and the first abutting part without being separated from each other; the rotating disk is sleeved behind the first joint part of the ratchet, and is provided with the pressing part by stamping or riveting, and the outer peripheral surface of the first end That is, the pressing part is stretched out, and the pressing part is pressed against the first supporting part, and the rotating disk is combined with the ratchet wheel and rotates integrally.

However, the above-mentioned ratchet wrench is for the user to conveniently turn the rotating disk. The rotating disk needs to cover a large area and is arranged on the back of the ratchet. The push rod used to release the sleeve can only be arranged at the center of the rotating disk, which is not conducive to the user's pressing.

In view of the shortcomings of the above-mentioned conventional structures, the inventor of the present invention designed a ratchet wrench that can be turned quickly, which can overcome all the shortcomings of the above-mentioned conventional structures.

The main purpose of the rapidly rotating ratchet wrench of the present invention is to provide a ratchet wrench including a body, a ratchet head and a dial. The body is provided with a ratchet groove along the axial direction of a virtual rotating shaft. The ratchet head The ratchet head can be rotatably arranged in the ratchet groove with the rotating shaft as the center relative to the body. One end of the ratchet head is provided with a driving part and a latch. The ratchet head is provided with a receiving groove along the radial direction of the rotating shaft and along the radial direction of the rotating shaft. The rotating shaft is axially provided with a control groove, the accommodating groove is provided on the driving part, the latch is disposed in the accommodating groove, the control groove is connected with the accommodating groove, and the ratchet head is arranged along the diameter of the rotating shaft. A first limiting portion is provided on the outer periphery of the direction. The first limiting portion is adjacent to an end of the ratchet head opposite to the driving portion. The dial can rotate synchronously with the ratchet head or relative to the ratchet along the axis of the rotation axis. The head moves between the locking position and the release position. The dial is connected to a control rod. The control rod can move or rotate with the dial. The control rod is inserted into the control slot and resists the latch. A limiting flange is provided on one side of the dial adjacent to the ratchet head in a direction parallel to the axial direction of the rotating shaft, and a second limiting portion is provided on the side of the limiting flange adjacent to the control rod along the radial direction of the rotating shaft. , the second limiting part is movably connected to the first limiting part in an axial direction parallel to the rotating shaft, and the dial can drive the ratchet head to rotate through the connection between the second limiting part and the first limiting part. , when the dial moves from the release position to the locking position, the latch protrudes out of the accommodating groove, and when the dial moves from the lock position to the release position, the latch retracts, and the latch retracts inwards. Through the above-mentioned structure, the ratchet wrench can not only allow the user to turn quickly but also quickly withdraw the socket.

The dial, the control rod and the limiting flange are formed into an integral structure, and the first limiting portion is formed on the outer periphery of the ratchet head into an annular serrated shape centered on the rotating shaft and extending in an axial direction parallel to the rotating shaft. Structure, the limiting flange is protruding from the dial and is annular with the rotating shaft as the center, and the second limiting portion forms a sawtooth structure extending in the axial direction parallel to the rotating shaft on the inner periphery of the limiting flange, The second limiting part is connected to the first limiting part in an engaging manner.

The body is provided with a first end surface and a second end surface opposite to the first end surface, the ratchet groove connects the first end surface and the second end surface, the driving part protrudes from the first end surface, and the first limiter The second end surface protrudes from the second end surface, and the dial is arranged on the second end surface.

The inner periphery of the control groove is provided with a wide part, a narrow part and a middle part. The wide part is adjacent to the second end surface. The narrow part is adjacent to the driving part. The accommodation groove is connected to the narrow part. The middle part Connecting the wide part and the narrow part, the width of the wide part along the radial direction of the rotating shaft forms a first width, and the width of the narrow part along the radial direction of the rotating shaft forms a second width, and the second width is smaller than the first width. , the control rod is provided with a wide section and a narrow section, the wide section is connected to the dial, the wide section is arranged in the wide section, the narrow section is connected to the end of the wide section opposite to the dial, the narrow section Segments are provided within the narrow portion.

Other objects, advantages and novelty of the present invention will become more apparent from the following detailed description and the accompanying drawings.

Regarding the technologies, means and effects used in the present invention, four preferred embodiments are listed below and described in detail with drawings. These are for illustration only and are not limited by this structure in patent applications.

Referring to FIGS. 1 to 5 , there are three-dimensional appearance views, three-dimensional exploded views, cross-sectional structural views and action diagrams of the first embodiment of the ratchet wrench that can be quickly rotated according to the present invention. The ratchet wrench 10 of the present invention includes a body 20, a ratchet head 30 and a dial 40; wherein:

The body 20 is provided with a ratchet groove 23 along the axial direction of a virtual rotation axis L. The body 20 is provided with a first end surface 21 and a second end surface 22 opposite to the first end surface 21. The ratchet groove 23 is connected to the first end surface 21. One end surface 21 and the second end surface 22.

The ratchet head 30 can be rotatably disposed in the ratchet groove 23 with the rotating axis L as the center relative to the body 20 . One end of the ratchet head 30 is provided with a driving part 31 and a latch 32 . The driving part 31 protrudes On the first end surface 21, the ratchet head 30 is provided with an accommodating groove 33 along the radial direction of the rotating axis L and a control groove 34 along the axial direction of the rotating axis L. The accommodating groove 33 is provided on the driving part 31. The latch member 32 is disposed in the accommodating groove 33 , and the control groove 34 is connected with the accommodating groove 33 .

The dial 40 is disposed on the second end face 22 . The dial 40 is provided with a dial portion 41 along the radial outer circumference of the rotation axis L. The dial 40 can rotate synchronously with the ratchet head 30 or along the rotation axis L. The ratchet head 30 moves axially between the locking position and the release position. The dial 40 is connected to a control rod 42 , and the control rod 42 can move or rotate with the dial 40 . The control rod 42 is inserted into the The control groove 34 abuts the latch member 32. When the dial 40 moves from the release position to the locking position, the latch member 32 protrudes outward from the receiving groove 33, and the dial 40 moves from the locking position. When moving to the release position, the latch 32 retracts.

A first limiting portion 341 is provided on the inner periphery of the control groove 34 , and a second limiting portion 421 is provided on the outer periphery of the control rod 42 . The second limiting portion 421 can move axially along the rotation axis L. Connected to the first limiting part 341 , the dial 40 can drive the ratchet head 30 to rotate through the connection between the second limiting part 421 and the first limiting part 341 .

The inner periphery of the control groove 34 is provided with a wide part 342, a narrow part 343 and a middle part 344. The wide part 342 is adjacent to the second end surface 22, and the first limiting part 341 is recessed in the wide part 342. The narrow portion 343 is adjacent to the driving portion 31 , the accommodating groove 33 is connected to the narrow portion 343 , the middle portion 344 connects the wide portion 342 and the narrow portion 343 , and the wide portion 342 is formed along the radial width of the rotation axis L. A first width W1, the width of the narrow portion 343 along the radial direction of the rotation axis L forms a second width W2, the second width W2 is smaller than the first width W1, the control rod 42 is provided with a wide section 422 and a narrow section 422. Section 423, the wide section 422 is connected to the dial 40, the second limiting portion 421 is provided in the wide section 422, the wide section 422 is provided in the wide section 342, the narrow section 423 is connected to the wide section 422 Opposite to one end of the dial 40 , the narrow section 423 is disposed in the narrow portion 343 .

The control rod 42 is sleeved with an elastic member 43. The elastic member 43 is sleeved on the narrow section 423 and disposed in the control groove 34. One end of the elastic member 43 abuts the middle portion 344 and the other end abuts the middle portion 344. The wide section 422 is adjacent to one end of the narrow section 423 .

The dial 40 and the control lever 42 have an integrally formed structure. The first limiting portion 341 is recessed on the inner peripheral edge of the control groove 34 and the inner peripheral edge of the first limiting portion 341 is in the shape of a concave arc. The two limiting portions 421 are protruding from the outer peripheral edge of the control rod 42 and the outer peripheral edge of the second limiting portion 421 is in the shape of a convex arc surface.

Through the above-mentioned structure, the ratchet wrench 10 can not only allow the user to turn quickly but also quickly withdraw the socket. When the ratchet wrench 10 is in use, if the screw is not tightened, the user can directly manually turn the turning portion 41 and rotate the ratchet head 30 to quickly tighten or loosen the screw, and the dial can The turntable 40 also allows the user to directly exit the sleeve by pressing, and the area of the turntable 40 makes the action of exiting the sleeve very easy to operate.

Referring to FIG. 6 and FIG. 7 , there is an exploded perspective view and a cross-sectional structural view of a second embodiment of the ratchet wrench that can be quickly rotated according to the present invention. The second embodiment of this case is roughly the same as the first embodiment. The main difference is that the inner periphery of the control groove 34a is provided with a wide part 342a, a narrow part 343a and a middle part 344a. The wide part 342a is adjacent to the second The end surface 22a, the narrow part 343a is adjacent to the driving part 31a, the accommodating groove 33a is connected to the narrow part 343a, the middle part 344a connects the wide part 342a and the narrow part 343a, the wide part 342a is along the radial direction of the rotation axis L The width of the narrow portion 343a forms a first width W1. The width of the narrow portion 343a along the radial direction of the rotation axis L forms a second width W2. The second width W2 is smaller than the first width W1. The control rod 42a is provided with a wide section 422a. And a narrow section 423a, the wide section 422a is connected to the dial 40a, the wide section 422a is arranged in the wide part 342a, the narrow section 423a is connected to the end of the wide section 422a opposite to the dial 40a, the narrow section 423a is connected to the dial 40a. The section 423a is disposed in the narrow section 343a. The cross-sectional shape of the wide section 342a along the radial direction of the rotating axis L and the cross-sectional shape of the wide section 422a along the radial direction of the rotating axis L are respectively non-circular and have the same shape, so that the dial 40a can drive the ratchet head 30a to rotate through the connection between the wide section 422a and the wide part 342a. The cross-sectional shape of the wide part 342a along the radial direction of the rotating axis L is different from the cross-sectional shape of the wide section 422a along the radial direction of the rotating axis L. In the embodiment, they are respectively quadrilateral.

Referring to FIGS. 8 and 9 , there is an exploded perspective view and a cross-sectional structural view of a third embodiment of the ratchet wrench that can be quickly rotated according to the present invention. The third embodiment of the present case is roughly the same as the first embodiment. The main difference is that the end of the ratchet head 30b opposite to the driving part 31b is provided with a first limiting part 35b. The dial 40b is adjacent to the end of the ratchet head 30b. A second limiting portion 44b is provided on one side. The second limiting portion 44b is movable in an axial direction parallel to the rotation axis L and is connected to the first limiting portion 35b. The dial 40b can pass through the second limiting portion. The connection between the portion 44b and the first limiting portion 35b drives the ratchet head 30b to rotate.

The dial 40b and the control lever 42b have an integrally formed structure. The first limiting portion 35b is in the shape of a round hole and is recessed in the ratchet head 30b and extends axially parallel to the rotating axis L. The second limiting portion 44b It is cylindrical and protrudes from the dial 40b extending along the axial direction parallel to the rotation axis L. The second limiting part 44b is connected to the first limiting part 35b in a plug-in manner.

The inner periphery of the control groove 34b is provided with a wide part 342b, a narrow part 343b and a middle part 344b. The wide part 342b is adjacent to the second end surface 22b, the narrow part 343b is adjacent to the driving part 31b, and the accommodating groove 33b Connected to the narrow portion 343b, the middle portion 344b connects the wide portion 342b and the narrow portion 343b. The width of the wide portion 342b along the radial direction of the rotation axis L forms a first width W1. The narrow portion 343b is radial along the rotation axis L. The width in the direction forms a second width W2, and the second width W2 is smaller than the first width W1. The control rod 42b is provided with a wide section 422b and a narrow section 423b. The wide section 422b is connected to the dial 40b. The wide section 422b is disposed in the wide section 342b. The narrow section 423b is connected to an end of the wide section 422b opposite to the dial 40b. The narrow section 423b is disposed in the narrow section 343b.

Referring to FIGS. 10 to 12 , there are three-dimensional exploded views and cross-sectional structural views of the fourth embodiment of the ratchet wrench that can be quickly rotated according to the present invention. The fourth embodiment of this case is roughly the same as the first embodiment. The main difference is that the ratchet head 30c is provided with a first limiting portion 36c along the radial outer circumference of the rotating axis L. The first limiting portion 36c is adjacent to the One end of the ratchet head 30c is opposite to the driving part 31c. The dial 40c is provided with a limiting flange 45c on a side adjacent to the ratchet head 30c in a direction parallel to the axial direction of the rotating shaft L. The limiting flange 45c is along the A second limiting portion 451c is provided on one side of the rotating shaft L radially adjacent to the control rod 42c. The second limiting portion 451c is movable axially parallel to the rotating axis L and is connected to the first limiting portion 36c. The dial 40c can drive the ratchet head 30c to rotate through the connection between the second limiting part 451c and the first limiting part 36c.

The dial 40c, the control rod 42c and the limiting flange 45c are integrally formed. The first limiting portion 36c is formed on the outer periphery of the ratchet head 30c in an annular shape with the rotating axis L as the center and parallel to the rotating axis. L has a serrated structure extending axially. The limiting flange 45c is protruding from the dial 40c and is annular with the rotating axis L as the center. The second limiting portion 451c is formed on the inner peripheral edge of the limiting flange 45c. The second limiting part 451c is connected to the first limiting part 36c in a meshing manner along the zigzag structure extending parallel to the axial direction of the rotation axis L.

The body 20c is provided with a first end surface 21c and a second end surface 22c opposite to the first end surface 21c. The ratchet groove 23c connects the first end surface 21c and the second end surface 22c. The driving part 31c protrudes from the third end surface 21c. On one end surface 21c, the first limiting portion 36c protrudes from the second end surface 22c, and the dial 40c is provided on the second end surface 22c.

From the above, it can be concluded that the present invention has the following advantages:

1. It is a ratchet wrench of the present invention that can be quickly rotated. The ratchet wrench includes a body, a ratchet head and a dial. The body is provided with a ratchet groove along the axial direction of a virtual rotating shaft. The ratchet head can be rotated with the ratchet groove. The rotating shaft is centered in the ratchet groove and is rotatably arranged relative to the body. One end of the ratchet head is provided with a driving part and a latch. The ratchet head is provided with an accommodating groove along the radial direction of the rotating shaft and along the axis of the rotating shaft. A control groove is provided in the direction, the accommodating groove is disposed on the driving part, the latch is disposed in the accommodating groove, the control groove is connected with the accommodating groove, and the ratchet head is arranged along the outer circumference of the rotating shaft in the radial direction. The edge is provided with a first limiting portion, which is adjacent to an end of the ratchet head opposite to the driving portion. The dial can rotate synchronously with the ratchet head or be locked relative to the ratchet head along the axial direction of the rotating shaft. To move between the position and the release position, the dial is connected to a control rod, which can move or rotate with the dial. The control rod is inserted into the control slot and resists the latch. The dial is adjacent to A limiting flange is provided on one side of the ratchet head in a direction parallel to the axial direction of the rotating shaft. The limiting flange is provided with a second limiting portion on a side adjacent to the control rod in the radial direction of the rotating shaft. The two limiting parts are movably connected to the first limiting part in the axial direction parallel to the rotating shaft, and the dial can drive the ratchet head to rotate through the connection between the second limiting part and the first limiting part. When the turntable moves from the release position to the locking position, the latch protrudes outward from the accommodating groove. When the dial moves from the locking position to the release position, the latch shrinks inward, and the ratchet wrench passes through The above structure not only allows the user to quickly turn the sleeve, but also allows the user to quickly withdraw the sleeve.

However, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. Therefore, any changes in numerical values or replacement of equivalent elements, or equivalence according to the patent scope of the present invention, are mentioned. Changes and modifications should still fall within the scope of the patent of the present invention.

10: Ratchet wrench 20:Ontology 21: First end face 22:Second end face 23: Ratchet groove 30: Ratchet head 31:Drive Department 32:Latching parts 33: Accommodation tank 34:Control slot 341: First limiting part 342: wide part 343: Narrow part 344:Middle part 40: Turn the dial 41: Dial part 42:Control lever 421: Second limiting part 422: wide section 423: Narrow section 43: Elastic parts 22a: Second end face 30a: Ratchet head 31a: Drive part 33a: Accommodation tank 34a:Control slot 342a: wide part 343a: Narrow part 344a: middle part 40a: Turn the dial 42a:Control lever 422a: wide section 423a: Narrow section 22b: Second end face 30b: Ratchet head 31b:Drive Department 33b: Accommodation tank 34b:Control slot 342b: wide part 343b: Narrow part 344b: middle part 35b: First limiting part 40b: Turn the dial 42b:Control lever 422b: wide section 423b: Narrow section 44b: Second limiting part 20c:Ontology 21c: First end face 22c: Second end face 23c: Ratchet groove 30c: Ratchet head 31c: drive department 36c: First limiting part 40c: turn the dial 42c:Control lever 45c: Limiting flange 451c: Second limiting part L: shaft W1: first width W2: second width

Figure 1: is a three-dimensional appearance view of the first embodiment of the ratchet wrench that can be quickly turned according to the present invention. Figure 2 is an exploded perspective view of the first embodiment of the ratchet wrench that can be quickly turned according to the present invention. Figure 3 is a cross-sectional structural view of the first embodiment of the ratchet wrench that can be quickly rotated according to the present invention. Figure 4 is a cross-sectional structural view from another perspective of the first embodiment of the quick-turn ratchet wrench of the present invention. Figure 5 is an action diagram showing the movement of the dial from the lock position to the release position of the first embodiment of the quick-turn ratchet wrench of the present invention. Figure 6 is an exploded perspective view of the second embodiment of the ratchet wrench that can be quickly turned according to the present invention. Figure 7 is a cross-sectional structural view of the second embodiment of the ratchet wrench that can be quickly turned according to the present invention. Figure 8 is an exploded perspective view of the third embodiment of the ratchet wrench that can be quickly turned according to the present invention. Figure 9 is a cross-sectional structural view of the third embodiment of the ratchet wrench that can be quickly rotated according to the present invention. Figure 10 is an exploded perspective view of the fourth embodiment of the quick-turn ratchet wrench of the present invention. Figure 11 is a cross-sectional structural view of the fourth embodiment of the ratchet wrench that can be quickly rotated according to the present invention. Figure 12 is a cross-sectional structural view from another perspective of the fourth embodiment of the quick-turn ratchet wrench of the present invention.

20c:Ontology

23c: Ratchet groove

30c: Ratchet head

31c: drive department

36c: First limiting part

40c: turn the dial

42c:Control lever

45c: Limiting flange

451c: Second limiting part

Claims (4)

A ratchet wrench that can be turned quickly, which includes: A body with a ratchet groove provided along the axial direction of a virtual rotating shaft; A ratchet head, the ratchet head can be rotatably arranged in the ratchet groove with the rotating shaft as the center relative to the body. One end of the ratchet head is provided with a driving part and a latch. The ratchet head is arranged radially along the rotating shaft. There is an accommodating groove and a control groove provided along the axial direction of the rotating shaft. The accommodating groove is provided on the driving part. The latch is provided in the accommodating groove. The control groove is connected with the accommodating groove. The ratchet head is provided with a first limiting portion along the radial outer circumference of the rotating shaft, and the first limiting portion is adjacent to an end of the ratchet head opposite to the driving portion; A dial that can rotate synchronously with the ratchet head or move along the axis of the rotation axis relative to the ratchet head between a locking position and a release position. The dial is connected to a control lever that can follow the dial. The turntable moves or rotates, and the control rod is inserted into the control slot and resists the latch. The side of the dial adjacent to the ratchet head is provided with a limiting flange in a direction parallel to the axial direction of the rotating shaft. The positioning flange is provided with a second limiting portion on one side adjacent to the control rod in the radial direction of the rotating shaft. The second limiting portion is movably connected to the first limiting portion in an axial direction parallel to the rotating shaft. The turntable can drive the ratchet head to rotate through the connection between the second limiting part and the first limiting part. When the dial moves from the release position to the locking position, the latch protrudes out of the accommodating groove. , when the dial moves from the locking position to the release position, the latch member retracts. The ratchet wrench that can be quickly rotated as described in claim 1, wherein the dial, the control rod and the limiting flange are in an integrally formed structure, and the first limiting portion is formed on the outer periphery of the ratchet head. The rotating shaft is a serrated structure with an annular center and extending in an axial direction parallel to the rotating shaft. The limiting flange is protruding from the dial and is annular with the rotating shaft as the center. The second limiting portion is located on the limiting flange. The inner peripheral edge forms a sawtooth structure extending parallel to the axial direction of the rotating shaft, and the second limiting part is connected to the first limiting part in an engaging manner. The ratchet wrench that can be quickly turned as described in claim 2, wherein the body is provided with a first end surface and a second end surface opposite to the first end surface, and the ratchet groove connects the first end surface and the second end surface. , the driving part protrudes from the first end surface, the first limiting part protrudes from the second end surface, and the dial is disposed on the second end surface. The ratchet wrench that can be turned quickly as described in claim 3, wherein the inner periphery of the control groove is provided with a wide part, a narrow part and a middle part, the wide part is adjacent to the second end surface, and the narrow part is adjacent to the second end surface. The driving part, the accommodating groove is connected to the narrow part, the middle part connects the wide part and the narrow part, the width of the wide part along the radial direction of the rotating shaft forms a first width, and the width of the narrow part along the radial direction of the rotating shaft The width forms a second width, the second width is smaller than the first width, the control rod is provided with a wide section and a narrow section, the wide section is connected to the dial, the wide section is arranged in the wide section, and the narrow section The section is connected to an end of the wide section opposite to the dial, and the narrow section is arranged in the narrow part.

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