TW201334923A - Wrench with a handle joint structure - Google Patents

Abstract

A wrench with a handle joint structure, comprises a first handle and a second handle jointed with each other by concave-convex matching, which enables the first handle to rotate relative to the second handle, so as to change the angle of a head of the wrench. Between the first handle and the second handle is provided a restriction member for preventing the first handle from disengaging from the second handle and a locking member. The locking member is used to lock the first and second handles along a radial direction that is vertical to an extending direction of ends of the first and second handles, and such a locking direction is intersected with the rotation direction of the wrench, which can improve the positioning effect of the first and second handles, thus improving the operation stability.

Description

Wrench with butt steering handle structure

The present invention relates to a wrench grip structure, and more particularly to a double-ended wrench having a functional wrench grip structure with a steering handle.

Press, the wrench is one of the common hand tools, and its head type includes an open end wrench, a wrench, a ratchet wrench or a combination wrench; the general wrench grip is flat and has a considerable length for labor-saving operation, when in one When the wrench is used in a narrow space or at a special angle, it is easy to be inconvenient or even unusable due to the fixed structure of the grip.

In order to improve the above-mentioned use problem, a creator has proposed the "Reinforcement of the wrench grip portion" of the Republic of China Patent No. 574972. As shown in Fig. 1, the handle 10 of the wrench 10 mainly has a first grip 11 and a first The two grips 12 are connected to each other. The end of the first grip 11 is provided with a plurality of limiting slots 111. The end of the second grip 12 is provided with a receiving slot 121. The recess 121 is internally provided with an elastic member 13 and a One end of the first and second grips 11 and 12 is abutted by a shaft member 15 , and as shown in FIG. 2 , the receptacle 121 of the second grip 12 is One of the limiting slots 111 of the first grip 11 is engaged, and the bead body 14 is received between the pocket 121 and the limiting slot 111 for locking the first and second positions. The handles 11, 12, and the conventional wrench 10 are pivoted through the cylindrical shaft member 15 as shown in Fig. 3, so that the head 102 of the wrench 10 is turned to an angle convenient for the user to operate.

It should be noted that the shaft member 15 of the conventional wrench 10 is as shown in FIG. 2, and the first and second grips 11 and 12 are respectively inserted in the radial direction Y of the shaft member 15 through the two pins 16 respectively. And the ring groove 151 is formed at one end of the shaft member 15. However, when the handle 10 of the wrench 10 is actually operated, the force of the force is not only the rotation force F1 of the shaft member 15 as the axis. It is more likely that an axial force F2 is generated due to improper operator force, causing the following problems:

1. When the conventional wrench 10 handle 101 rotates, the rotational force F2 will be directly applied to the latch 16, and since the first and second grips 11, 12 are only assembled by the shaft member 15 The axial force F2 is also directly applied to the pin 16 when the axial force F2 is generated, so that the stability of the unique butt joint structure of the conventional wrench 10 is significantly weakened;

2. The rotational force F1 of the conventional wrench 10 is centered on the shaft member 15, and the direction of the force of the bead body 14 is parallel to the axial direction X of the shaft member 15, which will weaken the positioning effect of the bead body 14. .

Therefore, in view of the practical operation of the docking steering structure of the above-mentioned conventional wrench 10, how to develop a hand grip structure with high stability and positioning of the docking structure is an improvement breakthrough in the industry.

An object of the present invention is to provide a wrench with a docking steering handle structure, which is mainly characterized in that the first handle of the wrench and the second handle are butt-joined by the end portions thereof and are restrained by a limiting member, so that the The wrench is pivoted relative to the end of the wrench to change the angle of the wrench head, and is facilitated before the user adjusts the use according to the operating environment, thereby not only avoiding the weakening of the strength of the docking structure caused by the rotating force of the wrench, but also by using the limit. The piece prevents the first and second grips from sliding off each other due to improper twisting force, so as to achieve the purpose of improving the operational stability of the wrench with the docking steering grip structure.

Another object of the present invention is to provide a wrench with a docking steering handle structure, which is mainly a direction in which the clamping member of the wrench is biased in the direction of extending the first and second grip ends. The locking is fixed in the radial direction, and intersects with the direction of the rotating force of the wrench, so as to effectively strengthen the positioning effect of the first and second grips.

In order to achieve the above object, a wrench with a docking steering grip structure according to the present invention includes a first handle, the end portion of which is formed with a cylindrical joint portion, and the outer peripheral surface of the joint portion is recessed. a recessed portion, and the engaging portion is recessed with a recessed groove adjacent to the middle portion of the first handle; a second handle has an end portion formed into a cylindrical sleeve portion, and the sleeve portion is from the second grip An accommodating space is defined in the end of the shank, and the locating portion is connected to the accommodating space through a plurality of locating holes, and a ring groove is recessed in the inner circumferential surface of the accommodating space opening to accommodate the first handle joint portion The first handle pocket is in contact with one of the positioning holes of the second handle, and the recess is engaged with the ring groove in the accommodating space of the second handle ferrule; a positioning member is fastened to the groove of the first handle and expanded into the annular groove of the second handle; an elastic member is received in the receiving groove of the first handle; and a card is formed And forming a curved surface, the clamping member is received in the receiving groove of the first handle and the elastic member is abutted, and the curved surface is placed in the cavity Wherein the peripheral edge of a positioning hole of the engagement.

The preferred embodiments of the present invention are described in detail with reference to the accompanying drawings.

First, please refer to FIG. 2 and FIG. 3 in conjunction with FIG. 4 . The present invention provides a preferred embodiment of a wrench having a docking steering grip structure, the wrench comprising a first handle 20 and a second grip. The first handle 20 and the second handle 30 are locked by a limiting member 40, an elastic member 50, and a clamping member 60, wherein: the first grip The shank 20 has two end portions, one end portion is formed into a cylindrical joint portion 201, and the other end portion is formed as a head portion 202. The outer peripheral surface of the joint portion 201 is recessed with a recess 22, and the joint portion 201 is adjacent to the joint portion 201. A recessed groove 23 is defined in a middle portion of the first handle 20, and the recessed groove 23 is formed with a flange 21 adjacent to one side of the head portion 202. The second handle 30 has two end portions, wherein one end portion is formed into a circle The sleeve portion 301 is formed as a head portion 302. The sleeve portion 301 is recessed from the end of the second handle 30 to form an accommodating space 31. The sleeve portion 301 is provided with a plurality of positioning holes 32. A ring groove 33 is recessed in the inner peripheral surface of the opening of the accommodating space 31, so that the first handle 20 engaging portion 201 is received in the second handle 3. In the accommodating space 31 of the ferrule 301, the opening of the accommodating space 31 of the second handle 30 abuts against the abutment 21 of the first handle 20, the first handle 20 is received by the slot 22 and the One of the positioning holes 32 of the second handle 30 is abutted, and the slot 23 is engaged with the ring groove 33; the limiting member 40 has a C-shaped annular structure and is formed with a notch 41, and the limit is formed. The positional member 40 has a square cross section, and the limiting member 40 is fastened to the fitting groove 23 of the first handle 20 and expanded into the annular groove 33 of the second handle 30, thereby limiting the first and second grips. The shank 20, 30 is slidably disengaged; the elastic member 50 is received in the receiving groove 22 of the first handle 20; in the embodiment, the elastic member 50 is formed by a ring spring; the card The workpiece 60 is formed with a curved surface 61, and the clamping member 60 is received in the receiving groove 22 of the first handle 20 and abuts against the elastic member 50. The curved surface 61 rests on the receiving groove. 22 pairs of one of the positioning holes 32 are circumferential.

The above is the main components of the embodiment of the present invention and the configuration description thereof. As for the operation mode and the function of the preferred embodiment of the present invention, please refer to the figures 6 and 7 for the following description.

The operation of the wrench with the docking steering grip structure of the present invention is mainly to dock the first and second grips 20, 30 by the above structure, and the first grip 20 joint portion 201 and the second portion are defined as shown in FIG. The extending direction of the sleeve 30 of the handle 30 is an axial direction X, and a radial direction Y is perpendicular to the axial direction X, and the concave direction of the groove 22 of the first handle 20 is recessed along the radial direction Y. Forming; thereby, when the torque wrench is applied, as shown in FIG. 7, the first and second grips 20, 30 are pivoted relative to each other by the joint portion 201, and the head 202 of the wrench is changed. The angle of 302 is convenient for the user to adjust and use according to the operating environment, and at the same time, the buckle of the limiting member 40 is restrained to prevent the first and second grips 20 and 30 from sliding off each other due to improper twisting force.

In the present embodiment, the joint portion 201 of the first handle 20 and the head portion 202 are formed as a curved portion 203, and the sleeve portion 301 of the second handle 30 is coupled to the head portion 302. Formed as a bend 303 to provide a more diverse operating angle of the wrench.

The locking position of the first and second grips 20 and 30 of the wrench of the present invention is achieved by the engaging member 60 embedded in the first grip 20 and the positioning hole 32 of the second grip 30. In the embodiment, the second handle 30 is provided with four positioning holes 32. As shown in FIG. 6, the two relative position positioning holes 32 defining the second handle 30 are first. The positioning hole 32a and the second positioning hole 32b are as shown in the figure. The second handle 30 is fixed by the curved surface 61 of the clamping member 60 to protrude from the lower positioning hole 32b; when the force is applied to twist the second grip The handle member 60 is retracted into the interior of the pocket 22 by the arcuate surface 61 and the second positioning hole 32b, so that the first and second grips 20, 30 can pivot relative to each other. And as shown in FIG. 7, when the head 302 of the second handle 30 is displaced by about 180 degrees, the first positioning 32a is displaced along with the card member 60; wherein the card member The 60 series is formed into a block structure as shown in Fig. 4 and has opposite ends, and the curved surface 61 is formed at one end to be abutted and protruded into the positioning hole 32, and the other end is formed into a plane 62 and the elasticity. 50 pieces of the top Or, as shown in FIG. 8, the surface is formed into a spherical structure of the curved surface 61, and is fixed to the positioning hole 32 of the second handle 30 through the curved surface 61.

In summary, the first and second grips 20 and 30 of the wrench of the present invention are not only prevented from weakening the strength of the docking structure due to the rotation force F1 but also the strength of the butt joint 40 is also prevented. Effectively increasing the strength of the abutting structure of the first and second grips 20, 30 against the axial force F2, significantly improving the operational stability of the wrench having the docking steering grip structure, and further, since the engaging member 60 is along the radial direction The direction of the force applied by Y is engaged with the positioning hole 32, and intersects with the direction of the rotating force F1, so as to effectively strengthen the positioning effect of the first and second grips 20, 30.

"Knowledge"

10. . . wrench

101. . . Handle

102. . . head

11. . . First handle

111. . . Limit slot

12. . . Second grip

121. . . Crate

13. . . Elastic part

14. . . Bead

15. . . Shaft

151. . . Ring groove

X. . . Axial

Y. . . Radial

F1. . . Rotating force

F2. . . Axial force

"this invention"

20. . . First handle

201. . . Joint

202. . . head

203. . . Bending

twenty one. . . Reach

twenty two. . . Crate

twenty three. . . Insert slot

30. . . Second grip

301. . . Socket

302. . . head

303. . . Bending

31. . . Housing space

32. . . Positioning hole

32a. . . First positioning hole

32b. . . Second positioning hole

33. . . Ring groove

40. . . Limiter

41. . . gap

50. . . Elastic part

60. . . Card parts

61. . . Curved surface

62. . . flat

X. . . Axial

Y. . . Radial

Fig. 1 is a perspective exploded view of a conventional wrench-handed steering structure.

Figure 2 is a schematic cross-sectional view of a conventional wrench handle docking steering structure.

Fig. 3 is a cross-sectional view showing the structure of the wrench handle after steering.

Fig. 4 is a perspective exploded view of the butt steering structure of the wrench grip of the present invention.

Fig. 5 is a perspective view showing the three-dimensional assembly of the wrench handle docking steering structure of the present invention.

Fig. 6 is a schematic cross-sectional view showing the combination of the wrench grip and the steering structure of the present invention.

Fig. 7 is a cross-sectional view showing the structural combination of the wrench after turning in the sixth drawing of the present invention.

Figure 8 is a schematic view of another embodiment of the present invention.

20. . . First handle

201. . . Joint

202. . . head

203. . . Bending

twenty one. . . Reach

twenty two. . . Crate

twenty three. . . Insert slot

30. . . Second grip

301. . . Socket

302. . . head

303. . . Bending

31. . . Housing space

32. . . Positioning hole

33. . . Ring groove

40. . . Limiter

41. . . gap

50. . . Elastic part

60. . . Card parts

61. . . Curved surface

62. . . flat

Claims (15)

A wrench with a docking steering grip structure includes: a first handle having an engaging portion formed at an end thereof, a recess is formed in an outer peripheral surface of the engaging portion, and the engaging portion is concave adjacent to the middle portion of the first grip a second recess is formed, the end portion is formed as a set of connecting portions, and the sleeve portion is recessed from the end of the second handle with an accommodating space, and the sleeve portion is provided with a plurality of positioning holes and the sleeve The accommodating space is connected, and a ring groove is recessed in the inner peripheral surface of the accommodating space opening, so that the first handle engaging portion is received in the accommodating space of the second handle ferrule, the first handle The receiving slot is engaged with one of the positioning holes of the second handle, and the engaging groove is engaged with the ring groove; a limiting member is fastened to the slot of the first handle and expanded to the first slot An elastic member is disposed in the groove of the first handle; a clamping member is formed with a curved surface, and the clamping member is received in the first handle The elastic member abuts against the elastic member, and the arc surface abuts against a circumference of the one of the positioning holes. The wrench with a docking steering grip structure according to claim 1, wherein the first grip has two end portions, one end portion is formed as the joint portion, and the other end portion is formed as a head portion. The engaging portion is formed with abutting edge adjacent to the head portion; the second grip has two end portions, one end portion is formed as the socket portion, and the other end portion is formed as a head portion, and the second grip is formed The handle sleeve portion is disposed outside the first handle joint portion, and the accommodating space opening periphery of the second handle abuts against the abutting edge of the first handle. The spanner of the docking steering grip structure according to the second aspect of the invention, wherein the joint portion of the first grip is formed with a curved portion, and the sleeve of the second grip is The head is formed as a curved portion. The wrench of the docking steering grip structure according to claim 1, wherein the clamping member has opposite ends, and one end is formed such that the arc surface is located opposite to the one of the pockets. The periphery of the hole is formed into a plane which is abutted against the elastic member. A wrench having a docking steering grip structure according to claim 1, wherein the surface of the engaging member is formed into a spherical structure of the curved surface. A wrench having a butt-over steering handle structure according to claim 1, wherein the limiting member is formed with a notched C-shaped annular structure. A wrench with a docking steering grip structure includes: a first handle having an end portion formed with an axially extending joint portion, a recessed portion of the outer peripheral surface of the joint portion, and the joint portion adjacent to the first portion a recessed groove is formed in a middle portion of the handle; a second handle has an end portion formed as a joint portion, and the sleeve portion is recessed from the end of the second handle with an accommodating space, and the sleeve portion is disposed a plurality of positioning holes are communicated with the accommodating space, and a ring groove is recessed in the inner circumferential surface of the accommodating space opening, so that the first handle engaging portion is received in the accommodating space of the second handle ferrule The first handle pocket is engaged with one of the positioning holes of the second handle, and the recess is engaged with the ring groove; a limiting member is fastened to the slot of the first handle And expanding into the annular groove of the second handle; an elastic member is received in the receiving groove of the first handle; a clamping member is formed with a curved surface to allow the clamping member to be placed The elastic member is abutted in the cavity of the first handle, and the arc surface is disposed on a circumference of the one of the positioning holes. The wrench with a docking steering grip structure according to claim 7, wherein the first grip has two end portions, one end portion is formed as the joint portion, and the other end portion is formed as a head portion. The engaging portion is formed with abutting edge adjacent to the head portion; the second grip has two end portions, one end portion is formed as the socket portion, and the other end portion is formed as a head portion, and the second grip is formed The handle sleeve portion is disposed outside the first handle joint portion, and the accommodating space opening periphery of the second handle abuts against the abutting edge of the first handle. The wrench with a docking steering grip structure according to claim 8, wherein the joint portion of the first grip and the head are formed as a curved portion, and the sleeve portion of the second grip is The head is formed as a curved portion. The wrench with a docking steering grip structure according to claim 7, wherein the clamping member has opposite ends, and one end is formed such that the arc surface is located opposite to the one of the pockets. The periphery of the hole is formed into a plane which is abutted against the elastic member. A wrench having a docking steering grip structure according to claim 7, wherein the surface of the engaging member is formed into a spherical structure of the curved surface. The spanner having a butt-over steering handle structure according to claim 7, wherein the limiting member is formed with a notched C-shaped annular structure. The utility model relates to a wrench with a docking steering grip structure, comprising: a first handle, the end portion is formed with a joint portion, a concave groove is formed on the outer peripheral surface of the joint portion; and a second grip is formed at the end portion as a set a receiving portion, the socket portion is recessed from the end of the second handle, and the sleeve portion is connected to the receiving space through the plurality of positioning holes, so that the first handle joint portion is accommodated in the first portion The first grip pocket is engaged with one of the positioning holes of the second grip; the elastic member is disposed on the first grip a card member is formed with a curved surface, and the card member is received in the receiving groove of the first handle and abuts against the elastic member, and the arc surface is placed in the cavity The alignment hole is one of the positioning holes. The wrench with a docking steering grip structure according to claim 13 , wherein the first grip has two end portions, one end portion is formed as the joint portion, and the other end portion is formed as a head portion. a joint groove is recessed adjacent to the middle portion of the first handle, and a flange is formed adjacent to the head portion; the second handle has two ends, and one end portion is formed as the sleeve portion The other end portion is formed as a head portion, and the second handle sleeve portion is sleeved outside the first handle joint portion, and the accommodating space opening edge of the second handle is abutted against the first handle The close. The spanner of the docking steering grip structure of claim 14, wherein the joint portion of the first grip and the head are formed as a curved portion, and the sleeve portion of the second grip is The head is formed as a curved portion.