TW201739577A - Head-angle-adjustable wrench having the advantage of operation convenience - Google Patents

Abstract

This invention provides a head-angle-adjustable wrench comprising a wrench handle, an accommodating groove is formed on one end of the wrench handle and is provided with a spring and a supporting pin, the supporting pin is sleeved with a pushing and supporting piece, and the wrench handle is pivoted with a driving head, wherein one end of the supporting pin is supported by the elastic force of the spring so as to be meshed with one end of the driving head, the supporting pin is clamped in the pushing and supporting piece, and the pushing and supporting piece is pushed to be linked with the supporting pin to press against the spring so that the supporting pin is separated from the driving head to adjust the angle of the driving head, then, the pushing and supporting piece is released, and the supporting pin is supported by virtue of the elastic force of the spring to position the driving head so that the wrench has the advantage of operation convenience.

Description

Adjustable head angle wrench

The invention relates to a wrench, in particular to a wrench that can adjust the angle of the head.

According to the conventional rocker type ratchet wrench 200, as shown in FIG. 1, it is composed of a head 1, a trigger 2, a spring 3 and a steel ball 4, and the head 1 has a handle with the handle 2 pivotally connected to one of the pivoting portions 101, the pivoting portion 101 is provided with a plurality of ratchet teeth 102, and the trigger 2 is recessed with a slot 201 facing the one of the ratchet teeth 102, the spring 3 And the steel ball 4 is sequentially disposed in the pocket 201, whereby when the user wants to adjust the angle of the head 1, the head 1 is rotated relative to the trigger 2 to a predetermined angle, the spring 3 The elastic force is applied to the steel ball 4 so that the steel ball 4 abuts the ratchet teeth 102, so that the angle of the head 1 can be positioned.

However, although the rocker type ratchet wrench 200 can adjust the angle of the head 1, the steel ball 4 cannot be bitely positioned on the head 1 so that the head 1 remains relative to the trigger after being rotated to an angle. 2, after turning, and even if there is another type of ratcheting ratchet wrench that can be used to position the head angle, it is bound to increase the components of the rocker type ratchet wrench 200 and its structural complexity, resulting in complicated structure and inconvenience. The production cost is high. Therefore, after observing the above disadvantages, the inventor of the present invention considered that the conventional rocker type ratchet wrench 200 is necessary for improvement, and the present invention is produced.

The object of the present invention is to provide a wrench capable of adjusting the angle of the head, which has the advantages of simple structure and easy operation, and can further reduce the production cost.

In order to achieve the above object, the adjustable head angle wrench of the present invention comprises: a trigger having an end surface at one end and two lugs protruding from the end surface, the lugs The first system has a first opening, and the other end of the trigger is symmetrical with a first pivoting portion. a holding portion; and a spring disposed on the receiving groove; and an ejector pin disposed on the receiving groove, one end of the ejector pin abutting against the spring, and the ejector pin The other end is provided with a nip portion, and the ejector pin is provided with a first pushing portion; and a pushing member, which comprises a positioning plate located at the first opening, the positioning plate is corresponding to the ejector pin. a positioning hole is disposed, the positioning hole is configured to pass through the top pin, and the positioning plate further includes a second pushing portion corresponding to the first pushing portion, the first pushing portion is received by the spring The elastic force pushes against the second pushing portion, and at least one side edge of the positioning plate protrudes from the first opening The side edge of the shank extends along the axial direction of the trigger plate, and the pushing plate is abutted against the trigger. Further, a spacing is formed between the positioning plate and the end surface to allow the pushing member to move toward the end surface. There is a driving head, the driving head has a pivoting portion, and the pivoting portion is opposite to the first pivoting portion, and a second pivoting portion is provided for pivotally connecting the driving head and the trigger. And the pivoting portion is provided with a ratchet surface corresponding to the engaging portion, and the ratchet surface can be engaged by the engaging portion of the pressing pin.

The adjustable head angle wrench provided by the present invention is configured to push the pushing plate toward the holding portion, and the second pushing portion of the pushing member pushes against the first pushing portion of the pressing pin, so that the The pushing member is coupled to the spring pin to press against the spring. At this time, the positioning plate moves toward the spacing, and the pressing pin is disengaged from the driving head, and the angle of the driving head can be adjusted and released. The pushing member is configured to push the first pushing portion against the second pushing portion by the elastic force of the spring, and the engaging portion of the pressing pin is engaged with the ratchet surface of the driving head The driver head can be positioned such that the wrench is convenient for the user to adjust and position the angle of the driving head, and has the advantage of being easy to operate. In addition, the wrench has a simple structure and is easy to manufacture, thereby greatly increasing the production cost.

Please refer to FIG. 2, FIG. 3, FIG. 4 and FIG. 5 for a combined perspective view, an exploded perspective view, a partial cross-sectional view, and an exploded perspective view of the pusher and the ejector pin. There is disclosed a wrench 100 that can adjust a head angle, the wrench 100 comprising:

A trigger 10 has an end surface 11 at one end thereof, and two lugs 12 are protruded from the end surface 11, and a first opening 13 is formed between the lugs 12, and the trigger 10 is attached to the end surface. The first axial pivoting portion 15 is symmetrically disposed on the elbow 12, and the other end of the trigger 10 is a grip portion 16, which is preferred in the present invention. In the embodiment, the first pivoting portion 15 is a through hole.

A spring 20 is disposed in the pocket 14.

An ejector pin 30 is disposed in the receiving groove 14 , and one end of the ejector pin 30 abuts against the spring 20 , and the other end of the ejector pin 30 is provided with a nip portion 31 , and the ejector pin The 30 series is provided with a first pushing portion 32. In the preferred embodiment of the present invention, the engaging portion 31 is a plurality of ratchet teeth.

a locating member 40 is disposed on the locating plate 41. The locating plate 41 is provided with a positioning hole 42 corresponding to the ejector pin 30. The locating hole 42 is for the apex. The pin 30 is passed through, and the positioning plate 40 further includes a second pushing portion 43 corresponding to the first pushing portion 32. The first pushing portion 32 is pushed against the elastic force of the spring 20 to abut The second pushing portion 43 has at least one side edge of the positioning plate 41 protruding from the first opening 13 , and a side edge thereof extends along the axial direction of the trigger 10 to a pushing plate 44 , and the pushing plate 44 is fastened to The trigger 10 is further provided with a spacing 45 between the positioning plate 40 and the end surface 11 to allow the pushing member 40 to move toward the end surface 11. In the preferred embodiment of the present invention, the positioning plate 40 is opposite. The two side edges protrude from the first opening 13 , and each of the side edges respectively extends the pushing plate 44 along the axial direction of the trigger 10 such that the pushing member 40 has a U shape and a second opening 46 is formed. And the second opening 46 of the pushing member 40 is disposed toward the first opening 13 of the trigger 10.

a driving head 50 having a pivoting portion 51 corresponding to the first pivoting portion 15 and a second pivoting portion 52 for the driving head 50 and the trigger The handles 10 are pivotally connected to each other, and the pivoting portion 51 is provided with a ratchet surface 511 corresponding to the engaging portion 31. The ratchet surface 511 can be engaged by the engaging portion 31 of the abutting pin 30, which is preferably implemented in the present invention. In the example, the second pivoting portion 52 is also a through hole, and passes through the first pivoting portion 15 and the second pivoting portion 52 through a pivot 53 to pivotally connect the plate handle 10 and the driving head. 50, the driving head 50 is pivoted relative to the trigger 10 with the pivot 53 as an axis, thereby adjusting the angle of the driving head 50.

For a further understanding of the structural features of the present invention, the application of the technical means, and the intended effect, the manner of use of the present invention will be described. It is believed that the present invention may be more deeply and specifically understood as follows:

Continuing to refer to FIG. 5 , a shoulder portion is disposed on each of the opposite sides of the outer peripheral edge of the ejector pin 30 and adjacent to the occlusal portion 31 to form the first pushing portion 32 , and the positioning hole 42 of the positioning plate 41 . Each of the peripheral wall portions is provided with a stopper to form the second pushing portion 43 so that the shoulder portion can abut against the stopper, so that the pushing member 40 and the abutting pin 30 can mutually interact with each other. Pushing, and generating a connecting action, in the normal state, the driving head 10 of the wrench 100 is as shown in FIG. 2 to FIG. 4, when the user wants to adjust the angle of the driving head 10, as shown in FIG. As shown in FIG. 7 , the pushing plate 44 is only required to be pushed toward the holding portion 16 , and the second pushing portion 43 of the pushing member 40 is pushed against the first pushing portion 32 of the pressing pin 30, so that the The pushing member 40 is pressed against the spring 20, and the positioning plate 41 is moved toward the spacing 45. The engaging portion 31 of the pressing pin 30 is disengaged from the ratchet surface of the driving head 50. 511, the driving head 50 can be rotated to a predetermined angle by the axis of the pivot 53, and then the pushing member 40 is released, and the spring 20 is elastically pushed against the pressing pin 30, so that The first pushing portion 32 is pushed against the second pushing portion 43 , and the engaging portion 31 of the pressing pin 30 is engaged with the ratchet surface 511 of the driving head 50 to position the driving head 50 , whereby the user is The pushing member 40 can be operated to loosen or press the ejector pin 30 to the driving head 50, so that the wrench 100 can facilitate the user to adjust and position the angle of the driving head 50, and has the advantage of being easy to operate. In addition, the structure of the wrench 100 is simple and easy to manufacture, and the production cost of the wrench 100 can be greatly reduced.

It is worth mentioning that, as shown in FIG. 5, each of the pushing plates 44 is convexly disposed with a stopping slider 441, and the stopping slider 441 has a slip preventing effect for the user to push the pushing member. 40.

It is worth mentioning that the occlusal portion 31 of the ejector pin 30 is a plurality of ratchets for engaging the ejector pin 30 with the ratchet surface 511 of the drive head 50.

Hereafter, the features of the present invention and its achievable efficacy are stated as follows:

The adjustable head angle wrench 100 of the present invention is configured to push the pushing member 40 toward the grip portion 16 such that the pushing member 40 interlocks the pressing pin 30 against the spring 20 so that the urging member The top pin 30 is disengaged from the driving head 50, and the angle of the driving head 50 can be adjusted, and by loosening the pushing member 40, the pressing pin 30 is pressed and engaged with the driving head 50 to position the driving. The head 50, whereby the wrench 100 is convenient for the user to adjust and position the angle of the driving head 50, and has the advantage of being easy to operate. In addition, the wrench 100 has a simple structure and is easy to manufacture, thereby greatly reducing the wrench 100. Production costs.

In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, the technical materials of such structures are frequently investigated at home and abroad, and the same structure is not found in the literature. The invention already has the invention patent requirements, and the application is filed according to law.

However, the above-mentioned ones are merely preferred embodiments of the present invention, and the equivalent structural changes of the present invention and the scope of the claims are intended to be included in the scope of the present invention.

1‧‧‧ head
101‧‧‧ pivoting department
102‧‧‧ ratchet
2‧‧‧ wrench
201‧‧‧ 容容
3‧‧‧ Spring
4‧‧‧ steel balls
10‧‧‧ wrench
11‧‧‧ end face
12‧‧‧ lugs
13‧‧‧First opening
14‧‧‧ 容容
15‧‧‧First pivotal
16‧‧‧ grip
20‧‧‧ Spring
30‧‧‧Deducted
31‧‧‧Opportion
32‧‧‧First Promotion Department
40‧‧‧Parts
41‧‧‧ Positioning board
42‧‧‧Positioning holes
43‧‧‧Second Promotion Department
44‧‧‧ Push board
441‧‧‧stop slider
45‧‧‧ spacing
46‧‧‧second opening
50‧‧‧ drive head
51‧‧‧ pivoting department
511‧‧‧ ratchet
52‧‧‧Second pivotal
53‧‧‧ pivot
100‧‧‧ wrench
200‧‧‧Shaking head ratchet wrench

Figure 1 is an exploded perspective view of a conventional wrench. Figure 2 is a perspective view of a combination of preferred embodiments of the present invention. Figure 3 is an exploded perspective view of a preferred embodiment of the present invention. Figure 4 is a partial cross-sectional view of a preferred embodiment of the present invention. Figure 5 is an exploded perspective view of the pusher and the ejector pin of the preferred embodiment of the present invention. Figure 6 is a cross-sectional view of the preferred embodiment of the present invention for unpositioning and rotating the drive head. Figure 7 is a cross-sectional view showing the angle of the positioning drive head of the preferred embodiment of the present invention.

10‧‧‧ wrench

11‧‧‧ end face

12‧‧‧ lugs

13‧‧‧First opening

14‧‧‧ 容容

15‧‧‧First pivotal

20‧‧‧ Spring

30‧‧‧Deducted

31‧‧‧Opportion

40‧‧‧Parts

41‧‧‧ Positioning board

42‧‧‧Positioning holes

44‧‧‧ Push board

46‧‧‧second opening

50‧‧‧ drive head

51‧‧‧ pivoting department

511‧‧‧ ratchet

52‧‧‧Second pivotal

53‧‧‧ pivot

100‧‧‧ wrench

Claims (6)

A wrench capable of adjusting a head angle, comprising: a trigger having an end surface at one end thereof, and two lugs protruding from the end surface, wherein the first lug is formed between the lugs, and the other The trigger is formed with a receiving groove in the axial direction of the end surface, and a first pivoting portion is symmetrically disposed on the lugs, and the other end of the trigger is a holding portion; a spring The ejector pin is disposed on the receiving groove, and one end of the ejector pin abuts against the spring, and the other end of the ejector pin is provided with a nip portion, and the apex is The pin system is provided with a first pushing portion; a pushing member includes a positioning plate located at the first opening, and the positioning plate is provided with a positioning hole corresponding to the top pin, the positioning hole is available for the positioning hole The ejector pin passes through, and the positioning plate further includes a second pushing portion corresponding to the first pushing portion, the first pushing portion is pushed against the spring pushing force to abut the second pushing And at least one side edge of the positioning plate protrudes from the first opening, and a side edge thereof extends a pushing plate along the axial direction of the trigger. The driving plate is abutted against the trigger, and a spacing is formed between the positioning plate and the end surface to allow the pushing member to move toward the end surface; a driving head having a pivoting portion The pivoting portion is opposite to the first pivoting portion and is provided with a second pivoting portion for pivotally connecting the driving head and the trigger, and the pivoting portion is provided with a ratchet surface corresponding to the engaging portion. The ratchet surface is engageable by the occlusal portion of the ejector pin; thereby, the pusher plate is pushed toward the grip portion, and the pusher member is interlocked with the ejector pin against the spring, so that the urging The top pin is disengaged from the driving head to adjust the angle of the driving head, and by releasing the pushing plate, the spring pin elastically abuts the topping pin, so that the pressing pin can engage the driving head, and can be positioned The drive head. The adjustable head angle wrench according to the first aspect of the invention, wherein the opposite side edges of the positioning plate protrude from the first opening, and each side edge extends along the axial direction of the trigger respectively. The plate is pushed such that the pushing member is U-shaped, and a second opening is formed, and the second opening of the pushing member is disposed toward the first opening of the trigger. The adjustable head angle wrench according to the first aspect of the invention, wherein the outer side of the outer peripheral edge of the ejector pin is provided with a shoulder adjacent to the occlusal portion to form the first pushing portion. In addition, the positioning wall of the positioning hole of the positioning plate is provided with a stopper corresponding to the shoulder to form the second pushing portion, so that the shoulder can abut against the stopper, and the pushing member and the pressing pin They can be pushed against each other to create a continuous action. The adjustable head angle wrench according to the first aspect of the invention, wherein the first pivoting portion of the trigger is a through hole, and the second pivoting portion of the pivoting portion is also a through hole. And pivoting through the first pivoting portion and the second pivoting portion to pivotally connect the trigger and the driving head. The adjustable head angle wrench according to the first aspect of the invention, wherein the pusher plate has a stop slider protruding outward. The adjustable head angle wrench of claim 1, wherein the engaging portion is a plurality of ratchets for engaging the ratchet pin with the ratchet surface of the driving head.