TWI579114B - Wrench structure - Google Patents

Description

Wrench structure

The invention relates to a wrench structure, in particular, the handle portion of the wrench structure is provided with a first concave portion and a first convex portion, the first concave portion can reduce the weight of the handle portion, and the first convex portion can be Increasing the torsion force during the rotation, the handle structure can balance the weight and the rotational torque.

As previously known by us, the conventional wrench structure is the patent application filed by the applicant. The US patent application number is 14/753037, that is, the Taiwan Patent Application No. 103133837, certificate number: I520814 Patent name: open-end wrench structure, the structure of the patent system is: an open-end wrench structure, comprising: a body 10 having a handle 11 on the body 10, the first end of the handle 11 is provided with a first rotation The first rotating part 12 is an open end, and the first rotating part 12 is provided with a first layer 121, a second layer 122 and a third layer 123, and the first layer 121 has a section The first layer 121 is connected to the handle 11 , and the second layer 122 is protruded from the upper and lower sides of the first layer 121 . The second layer 122 is wound around the first layer. At the open end of the moving portion 12, the cross-sectional area of the second layer 122 is smaller than the cross-sectional area of the first layer 121, the second layer 122 is away from the handle 11, and the third layer 123 is connected to the first layer. 121 and the second layer 122, the third layer 123 is disposed on the first layer 121 and the lower side; the first layer 121 extends to the handle 11 and is provided with the fourth layer 1 41. The second layer 122 extends to the handle 11 and is provided with a fifth layer 142. The third layer 123 extends to A sixth layer 143 is disposed on the handle portion 11; the second layer 122 is protruded from above and below the first layer 121, and the first layer 121 of the first rotating portion 12 is provided with a first cross section. 41. The second layer 122 of the first rotating portion 12 is provided with a second cross section 42. The cross-sectional area of the second cross-section 42 is smaller than the cross-sectional area of the first cross-section 41. The first cross-section 41 to the second The third layer 123 is laminated and stretched, and the third layer 123 is a solid surface which is stretched by the first layer 121 and the second layer 122. The so-called laminated stretching refers to the first section. 41 is tapered to a second section 42; the fourth layer 141 of the first swirling portion 12 has a third section 43 having a fourth section 44 having a smaller cross-sectional area A cross-sectional area of the third cross-section 43 is defined between the third cross-section 43 and the fourth cross-section 44. The sixth layer 143 is laminated with the fourth layer 141 and the fifth layer. 142 stretched stretched solid surface.

However, the missing structure of this conventional wrench is:

Referring to the fifth figure of the patent publication, the handle portion 11 is provided with a groove which can reduce the overall weight of the wrench structure and achieve material saving effect, but the groove also makes the groove The wrench structure has a lack of torque reduction. When the force is too large, the wrench structure is easily broken from the middle of the groove, or the overall wrench structure is missing from the middle of the groove. .

In view of the lack of the wrench structure of the above-mentioned conventional patent case, the inventor has years of experience in manufacturing related industries, and finally has a product that can solve the drawbacks of the wrench structure.

a handle of the conventional wrench structure is concave The groove also makes the wrench structure have a lack of torque reduction. When the force is too large, the wrench structure is easily broken from the middle of the groove, or the overall wrench structure is from the groove. The lack of bending in the middle. The first and second sides of the shank of the body of the wrench structure of the present invention are respectively provided with a first recess, the first recess is recessed on the first surface, and the handle is provided with a first protrusion. The first protrusion is disposed between the two first recesses, and the first protrusion protrudes from the first surface and the lower two sides, and the first recess reduces the weight of the handle. The first bump system can increase the torsion force during the rotation, and the handle structure can balance the weight and the rotational torque.

A wrench structure comprising: a system a first handle is disposed on the upper and lower sides of the handle, and two first recesses are respectively disposed on the upper and lower sides of the handle, and the first recess is recessed in the first a first protrusion is disposed on the handle, and the first protrusion protrudes from the first surface and the lower side; the first end of the handle is provided with a first rotating portion, the first portion a rotating portion is an open end, the first rotating portion is provided with a first convex portion, the first convex portion is connected with the handle portion, and the first convex portion protrudes from the first surface a first chamfering portion is disposed between the first convex portion and the shank portion; a second rotating portion is disposed at the other end of the body, the second rotating portion is a plum blossom end, and the second rotating portion is The pedestal is away from the first slewing portion; the shank is provided with a first length, the first length is the minimum length of the shank, and the maximum length of the first bulge is the second length, The thickness of the handle is a first thickness, the minimum thickness of the first recess is a second thickness, the thickness of the first bump is a third thickness, and the thickness of the first rotating portion is a fourth thickness.

a first recess is formed on each of the upper and lower sides of the handle The first recess is recessed on the first surface, and the handle is provided with a first bump, the first bump Between the two first recesses, the first bump protrudes from the first surface and the lower two sides, the first recess can reduce the weight of the handle, the first bump It can increase the torsion force during the rotation, and the handle structure can balance the weight and the rotational torque. The first recess and the first protrusion are disposed on the handle, and the first protrusion is disposed between the two first recesses to have the first thickness and the second thickness at the handle And the third thickness, the third thickness is provided between the first thickness and the second thickness, and the handle has three different thicknesses, so that the handle has a three-dimensional effect.

The structure and composition of the present invention are described in conjunction with the drawings and the drawings, and the following description is only for explaining the implementation of the present invention. For example, it is not intended to limit the invention in any way, and any modifications made by the present invention are still within the scope of the invention.

10‧‧‧ Ontology

11‧‧‧ handle

111‧‧‧ first side

112‧‧‧First recess

113‧‧‧First bump

114‧‧‧First curved surface

115‧‧‧ Groove

12‧‧‧First Rotation Department

121‧‧‧First convex

122‧‧‧second curved surface

123‧‧‧First chamfering

13‧‧‧Second Rotation Department

131‧‧‧second convex

132‧‧‧3rd curved surface

133‧‧‧Second chamfering

134‧‧‧ second side

135‧‧‧ third side

31‧‧‧First length

32‧‧‧second length

33‧‧‧First thickness

34‧‧‧second thickness

35‧‧‧ Third thickness

36‧‧‧fourth thickness

37‧‧‧First distance

38‧‧‧ first angle

40‧‧‧Marking

The first figure is a perspective view of the wrench structure of the present invention.

The second figure is a top view of the wrench structure of the present invention.

The third figure is a side view of the wrench structure of the present invention.

The fourth figure is a perspective view of a second embodiment of the wrench structure of the present invention.

Figure 5 is a side elevational view of a second embodiment of the wrench structure of the present invention.

Figure 6 is a perspective view of a third embodiment of the wrench structure of the present invention.

Figure 7 is a perspective view of a fourth embodiment of the wrench structure of the present invention.

Figure 8 is a perspective view of a fifth embodiment of the wrench structure of the present invention.

Figure 9 is a side view of a fifth embodiment of the wrench structure of the present invention.

Fig. 10 is a perspective view showing a sixth embodiment of the wrench structure of the present invention.

Figure 11 is a side view of a sixth embodiment of the wrench structure of the present invention.

Fig. 12 is a perspective view showing a seventh embodiment of the wrench structure of the present invention.

First, please refer to the first figure. The first figure is a perspective view of the wrench structure of the present invention. The present invention relates to a wrench structure. The wrench structure comprises: a body 10, the body 10 is provided with a handle 11 and the handle A first surface 111 is formed on the upper and lower sides of the portion 11, and each of the first surfaces 111 is planar. The upper and lower sides of the shank 11 are respectively provided with two first recesses 112. A recessed portion 112 is recessed on the first surface 111, and the first protrusion 113 is protruded from the first surface 111 and the lower side. The first protrusions 113 are in the shape of a long circle, and the first protrusions 113 are provided with a first curved surface 114. The first curved surface 114 is formed in an arc shape, and the first protrusions 113 The first recessed portion 112 is connected to the end, that is, the first recessed portion 112 is provided with a first protrusion 113. The body 10 is provided with a length; the handle portion 11 of the body 10 is provided with a first end. a first rotating part 12 is an open end, and the first rotating part 12 is provided with a first convex part 121, and the first convex part 121 is connected to the handle 11. The first convex portion 12 1 is protruding from the first surface 111, and a second curved surface 122 is formed at an end of the first convex portion 121. The second curved surface 122 is arc-shaped, and the first convex portion 121 and the handle The portion 11 has a first chamfered portion 123, and the first chamfered portion 123 is rounded or inverted. The second end portion of the main body 10 is provided with a second rotating portion 13 , which is a plum blossom end, and the second rotating portion 13 is away from the first rotating portion 12 . The second rotating portion 13 is provided with a second convex portion 131 connected to the shank portion 11 , and the second convex portion 131 is protruded from the first surface 111 , the first A third curved surface 132 is formed at an end of the second convex portion 131. The third curved surface 132 has an arc shape. The second convex portion 131 and the handle portion 11 have a second chamfered portion 133. The second chamfered portion 133 has a rounded shape or a chamfered shape, and the second surface 134 and the third surface 135 are respectively disposed on the upper and lower sides of the second rotating portion 13 , and the second surface The first surface 111 is parallel to the first surface 111. The second surface 134 is not parallel to the third surface 135. The third surface 135 is not parallel to the first surface 111. Please continue to refer to the second surface. The figure and the third figure show a top view of the wrench structure of the present invention, and the third figure is a side view of the wrench structure of the present invention. As can be clearly shown from the figure, the handle 11 of the body 10 is provided. There is a first length 31, and the first length 31 is the handle The minimum length of the first protrusion 113 is a second length 32, and the ratio of the first length 31 to the second length 32 is preferably between four and one to two, the first The ratio of the length 31 to the second length 32 is preferably between 3.5 and 1 to 2.5, and the ratio of the first length 31 to the second length 32 is optimally close to three to one. The thickness of the handle portion 11 is a first thickness 33, and the minimum thickness of the first recess portion 112 is a second thickness 34. The thickness of the first protrusion 113 is a third thickness 35. The first rotating portion 12 is 12 The thickness is a fourth thickness 36, and the ratio of the first thickness 33 to the second thickness 34 is between 7.1 and 1-3, and the ratio of the third thickness 35 to the first thickness 33 is The distance between the first surface 111 and the second surface 134 is greater than the third thickness 35, and the distance between the first surface 111 and the second surface 134 is a first distance 37. One The ratio of the thickness 33 to the first distance 37 is between three and one to two, and the first surface 111 and the third surface 135 have a first angle 38. The first angle 38 is preferably a degree. The ground system is between ten and fifteen degrees, and the degree of the first angle 38 is optimally fifteen degrees.

Please refer to the fourth and fifth figures. The fourth figure is a perspective view of the second embodiment of the wrench structure of the present invention, and the fifth figure is a side view of the second embodiment of the wrench structure of the present invention. The second surface 134 of the second rotating portion 13 and the third surface 135 are parallel to each other, and the second surface 134 and the third surface 135 and the first surface 111 of the handle portion 11 are Not parallel.

Please refer to the sixth figure, which is a perspective view of a third embodiment of the wrench structure of the present invention. As shown in the figure, the first surface 111 of the handle 11 and the first protrusion 113 are shown. A plurality of indicia 40 are provided, each of which may be a trademark or a specification or size of the wrench structure.

Please refer to the seventh figure, which is a perspective view of the fourth embodiment of the wrench structure of the present invention. As can be clearly shown, the first bump 113 is compared with the first bump 113 of the first figure. The shape of the first bumps 113 of the body 10 can be different shapes and lengths.

Referring to the eighth and ninth drawings, the eighth embodiment is a perspective view of a fifth embodiment of the wrench structure of the present invention, and the ninth is a side view of the fifth embodiment of the wrench structure of the present invention, which is clearly shown by the drawings. The second rotating portion 13 is a ratchet end, and the second rotating portion 13 can have a two-way ratchet structure or a one-way ratchet structure, and the second surface 134 and the third portion of the second rotating portion 13 The surface 135 is parallel, and the second surface 134 and the third surface 135 are parallel to the first surface 111 of the handle portion 11.

Referring to the tenth and eleventh drawings, the tenth is a perspective view of a sixth embodiment of the wrench structure of the present invention, and the eleventh is a side view of the sixth embodiment of the wrench structure of the present invention, which is clear from the illustration As shown in the second rotating portion 13 of the main body 10, the second convex portion 131 and the second curved surface 132 are not provided, and the second surface 134 and the third surface of the second rotating portion 13 are The 135 series are parallel to each other, and the second surface 134 and the third surface 135 are not parallel to the first surface 111 of the handle portion 11.

FIG. 12 is a perspective view showing a seventh embodiment of the wrench structure of the present invention. The first protrusion 113 of the body 10 is provided with a groove 115, and the groove 115 is lightened. The weight of the first protrusion 113, that is, the groove 115 can be reduced by the total weight of the body 10. The groove 115 is in the shape of a concave long groove, and the groove 115 and the first protrusion 113 The inter-system is offset by an edge.

In another embodiment of the present invention, one end of the handle portion 11 of the body 10 shown in the first figure is the first rotating portion 12, and the other end of the handle portion 11 is a second rotating portion 13. The two ends of the handle portion 11 of the body 10 are the first rotating portion 12, or both ends of the handle portion 11 are the second rotating portion 13.

The wrench structure of the present invention has the following advantages:

As shown in the first figure, the upper and lower sides of the shank 11 are respectively provided with a first recess 112, and the first recess 112 is recessed on the first surface 111, and the shank 11 is The first protrusion 113 is disposed between the two first recesses 112. The first protrusion 113 protrudes from the first surface 111 and the lower two sides. The first recess 112 can reduce the weight of the handle 11. The first protrusion 113 can increase the torsion force during the rotation, and the handle 11 is structurally balanced between the weight and the rotational torque.

2. When the handle grip structure is rotated, the thumb of the hand is reliably abutted against the first bump 131 of the handle portion 11 of the body 10. The first bump 131 has a third thickness 35. The third thickness 35 is greater than the first thickness 33, and the first bump having the third thickness 35 can be more easily resisted by the thumb of the hand.

3. When the hand grip wrench structure is rotated, the thumb of the hand is reliably connected to the first recess 112 and the first bump 113, that is, the first curved surface 114 has a convenient force to rotate. Body 10.

4, in addition to the second point and the third point, when the hand is held by the hand, the thumb can be pressed against the first protrusion 113 or against the first recess 112 according to the individual's desired thumb. The first bumps 113 are connected, and the body 10 has two places for the thumb of the hand to abut and both have the convenient operability of the rotating body 10.

The first recessed portion 112 and the first protruding block 113 are disposed at the handle portion 11. The first protruding block 113 is disposed between the two first recessed portions 112, so that the handle portion 11 has the same a first thickness 33, a second thickness 34, and a third thickness 35. The third thickness 35 is provided between the first thickness 33 and the second thickness 34. The handle 11 has three different thicknesses. The appearance of the handle portion 11 is made to have a three-dimensional appearance.

The first rotating portion 12 is provided with a first convex portion 121, the first convex portion 121 increases the rotational torque of the first rotating portion 12, and the first convex portion 121 also increases the first rotating portion The structural force between the movable portion 12 and the shank portion 11.

7. The second rotating portion 13 is provided with a second convex portion 131, the second convex portion 131 increases the rotational torque of the second rotating portion 13, and the second convex portion 131 also increases the second rotation portion The structural force between the movable portion 13 and the shank portion 11.

8. As shown in the sixth figure, the first surface 111 of the handle portion 11 and the first protrusion 113 of the body 10 are provided with a plurality of labels 40, each of which may be a trademark or The size or size of the wrench structure.

Therefore, the wrench structure of the invention has industrial utilization, novelty and advancement, and can meet the application requirements of the invention patent, and submits an application according to law.

10‧‧‧ Ontology

11‧‧‧ handle

111‧‧‧ first side

112‧‧‧First recess

113‧‧‧First bump

114‧‧‧First curved surface

12‧‧‧First Rotation Department

121‧‧‧First convex

122‧‧‧second curved surface

123‧‧‧First chamfering

13‧‧‧Second Rotation Department

131‧‧‧second convex

132‧‧‧3rd curved surface

133‧‧‧Second chamfering

134‧‧‧ second side

135‧‧‧ third side

Claims (20)

A wrench structure, comprising: a body, the system is provided with a handle, a first surface is arranged on the upper and lower sides of the handle, and the upper and lower sides of the handle are respectively provided with two a recessed portion, the first recessed portion is recessed at the first surface, and the handle is provided with a first protrusion protruding from the first surface and the lower two sides; One end of the handle is provided with a first rotating portion, and the first rotating portion is an open end; the second end of the body is provided with a second rotating portion, and the second rotating portion is a plum blossom end, The second rotating portion is away from the first rotating portion, and the second rotating portion is provided with a second surface and a third surface respectively; the handle portion is provided with a first length, The first length is the minimum length of the handle, the maximum length of the first bump is a second length, and the ratio of the first length to the second length is between four and one to two, the handle The thickness of the portion is a first thickness, the minimum thickness of the first recess is a second thickness, the thickness of the first bump is a third thickness, and the thickness of the first rotating portion is a fourth thickness The wrench structure of claim 1, wherein each of the first faces is planar. The wrench structure of claim 1, wherein the first protrusion has an oblong shape, and the first end of the first protrusion is provided with a first curved surface, and the first curved surface is arc-shaped. . The wrench structure of claim 1, wherein the first protrusion is connected to the first recess, that is, the first protrusion is provided between the two first recesses. The wrench structure of claim 1, wherein the first rotating portion is provided with a first convex portion, the first convex portion is connected to the handle portion, and the first convex portion is protruded from the first protruding portion One side, the first convex The first portion and the handle portion have a first chamfered portion, and the first chamfered portion has a rounded shape or a chamfered shape. The wrench structure of claim 5, wherein the first convex portion is provided with a second curved surface, and the second curved surface has an arc shape. The wrench structure of claim 1, wherein the second rotating portion is provided with a second convex portion, the second convex portion is connected to the handle portion, and the second convex portion is protruded from the first portion On one side, the second convex portion and the shank have a second chamfered portion, and the second chamfered portion has a rounded shape or a chamfered shape. The wrench structure of claim 7, wherein the second convex portion is provided with a third curved surface, and the third curved surface has an arc shape. The wrench structure of claim 1, wherein the second surface is parallel to the first surface, the second surface is not parallel to the third surface, the third surface and the first surface Also not parallel. The wrench structure of claim 1, wherein the ratio of the first length to the second length is between 3.5 and 1 to 2.5. The wrench structure of claim 1, wherein the ratio of the first length to the second length is approximately three to one. The wrench structure of claim 1, wherein the ratio of the first thickness to the second thickness is between one and seven to one to three. The wrench structure of claim 1, wherein the ratio of the third thickness to the first thickness is between one and seven to one to three. The wrench structure of claim 1, wherein the fourth thickness is greater than the third thickness. The spanner structure of claim 9, wherein the distance between the first surface and the second surface is a first distance, and the ratio of the first thickness to the first distance is between three and one to two The first surface and the third surface have a first angle, and the first angle is between ten and fifteen degrees. The wrench structure of claim 1, wherein the second surface and the third surface are parallel to each other, and the second surface and the third surface are not parallel to the first surface of the handle. . The wrench structure of claim 1, wherein the first surface and the first bump are provided with a plurality of marks. The wrench structure of claim 1, wherein the second rotating portion is a ratchet end, and the second rotating portion is a two-way ratchet plum structure or a one-way ratchet end structure. The wrench structure of claim 1, wherein the first protrusion of the body is provided with a groove, and the groove reduces the weight of the first protrusion. The wrench structure of claim 1, wherein the two ends of the handle are the first rotating portion, or both ends of the handle are the second rotating portion.