TWI629140B - Adjustable ratchet wrench - Google Patents

Abstract

The present invention provides a ratchet wrench, comprising: a wrench body, a ratchet wheel, a positioning member and a movable member, the wrench body is provided with an axis of rotation, and the inner circumference of the ratchet wheel is provided with a fixed clamping portion, the ratchet wheel facing one end of the rotation axis The utility model is provided with a mounting surface, the positioning component is arranged on the mounting surface, the movable component is arranged on the inner circumference of the ratchet wheel and is movably connected with the positioning component, the movable component has a movable clamping part, and a movable clamping part and the fixed clamping part form a Tool slot to provide workpiece nesting, by manipulating the movable member to adjust the size of the tool slot. Thereby, the utility of the present invention is increased to match the use of workpieces of different sizes.

Description

Ratchet wrench

The invention relates to a ratchet wrench structure, in particular to a ratchet wrench which can be adjusted to different workpiece sizes.

Press, the general ratchet wrench has a handle and a head, and the head has a hollow operation portion. During operation, the hollow operation portion of the head is sleeved on the screw, and the handle is rotated to rotate the head, so that the screw can be screwed. Rotary locking or loosening; because the hollow operating part is of a fixed size, it can only be used for the corresponding size of the screw, so when there are different sizes of screws to be locked or loose, you need to use A ratchet wrench of corresponding size results in inconvenience in use.

In order to solve the foregoing problems, U.S. Patent No. 4,838,132 provides an adjustable torsion tool having a hollow operating portion of the head having an adjusting screw, the end of which is adapted to abut against the screw to be rotated, by operation The protruding state of the screw is adjusted to change the size of the hollow operating portion.

However, the aforementioned torsion tool has no ratchet structure. In a limited operation space, the operating angle is limited in use, and after each rotation operation, it needs to be returned to the original position to obtain the operation space of the next spiral, which cannot be achieved quickly. The effect of locking or loosening, and causing operational problems.

In order to solve the above problems, the present invention provides a ratchet adjustable wrench, which is movably connected to a positioning member by a movable member, and moves the movable member relative to the positioning member when the workpiece is fitted into the tool slot to match the size of the workpiece size adjustment tool slot. The size, after the size is adjusted, the workpiece is locked or loosened by rotating the ratchet, thereby being used for matching workpieces of different sizes, and can simultaneously have the effect of fast screwing or loosening without space limitation, and the invention is added. Practicality.

An embodiment of the present invention provides a ratchet wrench, comprising: a wrench body having a head and a handle, the head having a first receiving slot and a second receiving slot, the first receiving slot and the first receiving slot The second pocket is connected to each other, the first pocket is provided with an axis of rotation; a ratchet is disposed on the first pocket along the axis of rotation, and a plurality of ratchets are arranged on the outer circumference of the ratchet, and a retaining clip is disposed on the inner circumference of the ratchet a holding portion, wherein the ratchet is provided with a mounting surface toward one end of the rotating axis; a ratchet device is disposed in the second receiving groove for engaging the ratchet teeth; and two positioning members respectively disposed on both sides of the mounting surface a movable member disposed on the inner circumference of the ratchet and movably connected to the two positioning members, the movable member being movable between a first state, a second state and a third state, the movable member having a movable clamping portion Forming a tool slot between the movable clamping portion and the fixed clamping portion to provide a workpiece fit, wherein, in the first state, the movable member and the two positioning members are mutually engaged; in the second state, the movable member is parallel Moving in the direction of the axis of rotation; in the third In the state, the movable member slides in a direction perpendicular to the rotation axis to adjust the size of the tool slot; and a holding member is disposed between the movable member and the ratchet, the holding member holds the movable member at the state First state.

According to the above, the achievable effect of the present invention is that the movable member is movably connected with the two positioning members, and when the workpiece is fitted into the tool slot, the movable member is moved relative to the two positioning members to match the size of the workpiece size adjustment tool slot. The size can be adjusted to lock the handle to lock or loosen the workpiece. This improves the conventional ratchet wrench and can only be used for the inconvenience of a single size, and at the same time can be combined with a quick screw lock or loose. The work effect further increases the utility and convenience of the present invention.

1‧‧‧Workpiece

10‧‧‧Wrench body

10a‧‧‧First Ontology

50‧‧‧ positioning parts

51‧‧‧First Card Department

60‧‧‧Sleeve

10b‧‧‧Second ontology

11‧‧‧ head

12‧‧‧ handle

13‧‧‧First pocket

14‧‧‧Second tank

20‧‧‧ grip

30‧‧‧ratchet

31‧‧‧Installation

32‧‧‧Sets

321‧‧‧ bottom

33‧‧‧ ratchet

34‧‧‧Fixed clamping

40‧‧‧ratchet device

61‧‧‧ first side

611‧‧‧ accommodating slots

62‧‧‧ second side

621‧‧‧Contacts

70‧‧‧Activities

71‧‧‧Activity clamping department

72‧‧‧Second Card Department

73‧‧‧Promotion Department

74‧‧‧ 容容

80‧‧‧tool slot

90‧‧‧Top holding parts

L‧‧‧ axis of rotation

Figure 1 is a schematic view of the appearance of the present invention.

Figure 2 is an exploded perspective view of the present invention.

Figure 3 is a schematic exploded view of another perspective of the present invention.

Figure 4 is a partial cross-sectional perspective view (1) of the present invention, showing the movable member in the first state.

Figure 5 is a partial cross-sectional perspective view (2) of the present invention, showing the movable member in the second state.

Figure 6 is a partial cross-sectional perspective view (3) of the present invention, showing the movable member in a third state.

For the convenience of the description, the central idea expressed by the present invention in the column of the above summary of the invention is expressed by the specific embodiments. Various items in the embodiments are depicted in terms of ratios, dimensions, amounts of deformation, or displacements that are suitable for illustration, and are not drawn to the proportions of actual elements, as set forth above.

Referring to FIG. 1 to FIG. 6 , the present invention provides a ratchet wrench, comprising: a wrench body 10 having a head 11 and a handle 12 , the handle 12 being coupled to a grip 20 , wherein In the embodiment of the present invention, the wrench body 10 has a first body 10a and a second body 10b. The inner side surface of the first body 10a and the inner side surface of the second body 10b face each other; the first body 10a and the second body 10b A first receiving groove 13 is defined in the inner side surface of the head portion 11 and a second receiving groove 14 is defined in the second inner receiving groove 13 , and the second receiving groove 13 is adjacent to the second receiving groove 14 . The first tank 13 is provided with an axis of rotation L.

a ratchet wheel 30, which is rotatably disposed along the rotation axis L to the first pocket 13 and the ratchet wheel 30 is oriented A mounting surface 31 and a set of surface 32 are respectively disposed at two ends of the rotation axis L. The sleeve surface 32 has a bottom portion 321 protruding toward the inner circumference of the ratchet wheel 30. The inner side surface of the first body 10a and the inner side surface of the second body 10b are respectively disposed opposite to the mounting surface 31 and the sleeve surface 32 such that the ratchet wheel 30 is disposed between the first body 10a and the second body 10b, wherein the ratchet wheel The outer peripheral ring of the 30 is provided with a plurality of ratchet teeth 33, and the inner periphery of the ratchet wheel 30 is provided with a fixed clamping portion 34.

A ratchet device 40 is disposed in the second pocket 14 for engaging the ratchet teeth 33. When the grip 20 is turned, the ratchet teeth 33 of the ratchet wheel 30 and the ratchet device 40 can mesh with each other to rotate the ratchet wheel 30. In the embodiment of the present invention, the ratchet device 40 can change the direction of rotation of the ratchet wheel 30.

Two positioning members 50 are respectively locked on both sides of the mounting surface 31. A first card portion 51 is disposed on one side of the two positioning members 50 facing the mounting surface 31. The first card portions 51 are disposed in a radial direction relative to the rotation axis L. The first card portions 51 are in the shape of a rack.

A sliding sleeve 60 is disposed on the inner circumference of the ratchet wheel 30. The first surface 61 and the second surface 62 are respectively disposed on the two ends of the sliding sleeve 60. The first surface 61 corresponds to the mounting surface 31. The second surface 62 is correspondingly disposed toward the sleeve surface 32. The first surface 61 is recessed with a receiving groove 611, and the second surface 62 is recessed with a contact portion 621. The contact portion 621 is slidingly contacted with the bottom portion 321.

a movable member 70 is disposed between the two positioning members 50, and the movable member 70 is movable between a first state, a second state and a third state, wherein In the embodiment of the present invention, the shape of the receiving groove 611 corresponds to the shape of the movable member 70. The movable member 70 has a movable clamping portion 71. The movable clamping portion 71 has a V shape, and the movable clamping portion 71 and the fixed clamping portion 34 correspond to each other and form a tool slot 80 therebetween to provide the workpiece 1 in a nest. In the embodiment of the present invention, the tool slot 80 is interposed between one side of the sliding sleeve 60 and the fixed clamping portion 34.

The movable member 70 is provided with a second card portion 72 corresponding to each of the two first card portions 51, and two second card portions 72. The two first card portions 72 are disposed in a radial direction along the rotation axis L. In the embodiment of the present invention, the two second card portions 72 are in the shape of a rack, and the two first cards are The portion 51 and the two second card portions 72 are in mesh with each other, and the tooth portions of the two first card portions 51 are longer than the tooth segments of the two second card portions 72. Moreover, one side of the movable member 70 is provided with a pushing portion 73. The pushing portion 73 is higher than the two positioning members 50 and protrudes from the outer side of the first body 10a via the first receiving groove 13.

Furthermore, the movable member 70 corresponds to the two positioning members 50 and each of the side faces of the sleeve surface 32 is recessed with a receiving groove 74. Each of the receiving slots 74 is provided with a receiving member 90, and the two holding members 90 are disposed at the movable portion 70. Between the member 70 and the sliding sleeve 60, in the embodiment of the present invention, the two holding members 90 are elastic materials, and the two ends of the holding member 90 are respectively abutted between the receiving groove 74 and the sliding sleeve 60. The holding member 90 can keep the contact portion 621 in surface contact with the bottom portion 321.

In the first state, the elastic tension of the two holding members 90 causes the two second latching portions 72 of the movable member 70 to remain engaged with the first latching portions 51 of the two positioning members 50 in the axial direction of the rotational axis L. Please refer to Figure 2 and Figure 4.

In the second state, the movable member 70 is movable in a direction parallel to the rotation axis L. In the embodiment of the present invention, when the operator applies the force to the pushing portion 73 in a direction parallel to the rotation axis L, the movable member 70 can be The direction of the force is moved so that the two second card portions 72 and the two first card portions 51 are no longer engaged with each other; and when the force is applied by the operator to the pushing portion 73, the elastic tension of the two holding members 90 , the movable member 70 automatically returns to the first state from the second state, please refer to FIG. 2 and FIG. 5.

In the third state, the movable member 70 can slide in a direction perpendicular to the rotation axis L to adjust the size of the tool slot 80. In the embodiment of the present invention, when the operator moves the movable member 70 to the second state, The urging portion 73 is biased in a direction perpendicular to the axis of rotation L to adjust the size of the tool slot 80. The movable member 70 moves while driving the sliding sleeve 60 to move in the direction of the force, and the sliding sleeve 60 is connected. The contact portion 621 is in sliding contact with the bottom portion 321 , thereby increasing the strength of the movable member 70 and preventing the movable member 70 from being damaged by an external force. Please refer to FIG. 2, FIG. 3 and FIG.

Therefore, when the operator wants to lock or loosen the workpiece 1, the tool slot 80 is sleeved on the workpiece 1 by the sleeve surface 32, so that one side of the workpiece 1 is placed on the fixed clamping portion 34, if the tool slot 80 When the size does not match the size of the workpiece 1, the operator can apply a force to the pushing portion 73 in a direction parallel to the rotation axis L, so that the movable member 70 changes from the first state to the second state; then, the operator again Applying the force to the pushing portion 73 in the direction of the rotation axis L, and changing the movable member 70 to the third state, the size of the tool slot 80 can be changed to match the size of the workpiece 1, so that the workpiece 1 is fixedly clamped and movable. The portion 71 is clamped; then, the grip 20 is rotated to rotate the ratchet 30 to perform the work of locking or loosening the workpiece 1.

Thereby, the movable member 70 is movably connected and moved with the two positioning members 50 to match the size of the workpiece 1 to adjust the size of the tool slot 80, and after the size is adjusted, the workpiece 1 is locked or loosened by rotating the ratchet 30. Therefore, the use of the workpiece 1 of different sizes can be used, and the work of quick screwing or loosening can be combined, and the utility and convenience of the present invention are increased.

The above embodiments are merely illustrative of the invention and are not intended to limit the scope of the invention. Any modifications or variations that are made without departing from the spirit of the invention are intended to be protected.

Claims (9)

A ratchet adjustable wrench comprising: a wrench body having a head and a handle, the head being provided with a first receiving slot and a second receiving slot, wherein the first receiving slot is connected to the second receiving slot The first pocket is provided with an axis of rotation; a ratchet is disposed on the first pocket along the axis of rotation, and a plurality of ratchets are disposed on the outer circumference of the ratchet, and a retaining clip is disposed on the inner circumference of the ratchet a holding portion, wherein the ratchet is provided with an installation surface toward one end of the rotation axis; a ratchet device is disposed on the second receiving groove for engaging each of the ratchet teeth; and two positioning members respectively disposed on the mounting a movable member disposed on the inner circumference of the ratchet and movably connected to the two positioning members, the movable member being movable between a first state, a second state and a third state, The movable member has a movable clamping portion, and a tool slot is formed between the movable clamping portion and the fixed clamping portion to provide a workpiece fit. In the first state, the movable member and the two positioning members are Mutually stuck; in the second state, the movable member is parallel to Moving in the direction of the axis of rotation; in the third state, the movable member slides in a direction perpendicular to the axis of rotation to adjust the size of the tool slot; and a holding member is disposed on the movable member and the ratchet The holding member keeps the movable member in the first state. The ratcheting wrench of claim 1 further has a sliding sleeve, and the activity is disposed on the inner circumference of the ratchet and is disposed on the movable member. The holding member is disposed between the sliding sleeve and the movable member. In the third state, the movable member drives the sliding sleeve to slide in a direction perpendicular to the rotation axis. The ratcheting wrench according to claim 2, wherein the sliding sleeve is provided with a first surface facing the one end of the rotating axis, the first surface corresponding to the mounting surface, and the first surface is concavely provided with a receiving groove. The movable member is disposed in the receiving slot. The ratchet wrench according to claim 2, wherein the ratchet is provided with a set of faces different from one side of the mounting surface, and the sleeve faces a bottom of the inner circumference of the ratchet, the sliding sleeve facing the One end of the rotation axis is provided with a second surface corresponding to the sleeve surface, and the second surface is recessed with a contact portion, and the contact portion is in sliding contact with the bottom portion. The ratchet adjustable wrench according to claim 1, wherein the two positioning members are respectively provided with a first card portion facing one side of the mounting surface, and the movable member is provided with two second card portions corresponding to the two first card portions. In the first state, the two second card portions and the two first card portions are mutually locked. The ratchet adjustable wrench of claim 5, wherein the two first card portions and the two second card portions are in the shape of a rack, and the two first card portions and the two second card portions are opposite to the axis of rotation. Radially disposed, the tooth segments of the two first card portions are longer than the tooth segments of the two second card portions. The ratchet wrench according to claim 1, wherein one of the movable members protrudes from the two positioning members. A ratchet adjustable wrench comprising: a wrench body having a head and a handle, the head being provided with a first receiving slot and a second receiving slot, wherein the first receiving slot is connected to the second receiving slot The first receiving groove is provided with an axis of rotation; a ratchet wheel is disposed on the first receiving groove along the rotating axis, and the outer ring of the ratchet ring is provided with a plurality of ratchet teeth, and the inner circumference of the ratchet wheel is provided with a fixed clamping portion The ratchet is disposed at one end of the rotation axis; a ratchet device is disposed on the second cavity and engages with each of the ratchets; and two positioning members respectively disposed on the mounting surface a sliding sleeve, the activity of which is disposed on the inner circumference of the ratchet, the sliding sleeve is provided with a receiving groove; a movable member is disposed in the accommodating groove and movably connects the two positioning members, the movable member has a movable clamping portion, and the movable clamping portion forms a tool slot with the fixed clamping portion to provide a workpiece sleeve The movable member is movable between a first state, a second state, and a third state. In the first state, the movable member and the two positioning members are mutually locked; in the second state, the movable member The movable member moves in a direction parallel to the rotation axis in the sliding sleeve; in the third state, the movable member drives the sliding sleeve to slide in a direction perpendicular to the rotation axis to adjust the size of the tool slot; And a top member disposed between the movable member and the sliding sleeve, the holding member holding the movable member in the first state. The ratchet wrench according to claim 8, wherein the two positioning members are respectively provided with a first card portion facing one side of the mounting surface, and the movable member is provided with two second card portions corresponding to the two first card portions. In the first state, the two second card portions and the two first card portions are in mesh with each other.