CN111761535A - Multifunctional high-efficiency adjustable wrench - Google Patents

Abstract

The invention provides a multifunctional high-efficiency adjustable wrench, wherein the working end of the wrench comprises a wrench body, a movable jaw, a movable block, an adjusting screw, a first cylindrical pin, a second cylindrical pin and a spring, a fixed oblique block is arranged above the wrench body, the movable jaw is installed on one side of the fixed oblique block, a hook-shaped clamp block is arranged above the movable jaw, the end part of the hook-shaped clamp block is provided with an arc-shaped surface, the adjusting screw is meshed with the lower part of the movable jaw, a clamping seat is arranged on the other side of the fixed oblique block, the movable block is installed in the clamping seat, the spring is arranged at the bottom of the movable block, the movable block is movably connected with the clamping seat by combining with the first cylindrical pin, and an R-shaped convex block is arranged on one side of the movable block, which faces the. The wrench can be used for rotating various nuts or various cylindrical pieces, can be used for fastening and loosening hexagonal nuts and the like in a reciprocating manner, is high in working efficiency and wide in application range, and can effectively protect the nuts from being damaged.

Description

Multifunctional high-efficiency adjustable wrench

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of wrenches, in particular to a multifunctional high-efficiency adjustable wrench.

[ background of the invention ]

The adjustable wrench is called as an adjustable wrench for short, the opening width of the adjustable wrench can be adjusted within a certain range, and the adjustable wrench is a tool for fastening and loosening nuts and bolts with different specifications. At present, the adjustable spanner adopts a fixed jaw plane and a movable jaw plane to do work on a nut angle line and directly twist a nut. Traditional adjustable spanner can make the angular line atress of nut at the during operation, must cause the damage to the nut, and the commonality is poor moreover, and work efficiency is low, now provides a multi-functional high efficiency adjustable spanner.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides a multifunctional high-efficiency adjustable wrench which is used for rotating various nuts or various cylindrical members, can be used for reciprocally fastening and loosening hexagonal nuts and the like, has high working efficiency, is also suitable for hook-shaped round nuts and round or polygonal cylindrical members in a certain specification range, has a wider application range than the traditional adjustable wrench, and effectively protects the nuts from being damaged by the surface contact stress of the nuts such as the hexagonal nuts.

In order to achieve the purpose, the invention provides a multifunctional high-efficiency adjustable wrench, one end of which is provided with a flat working end, the other end of which is provided with a handle, the working end comprises a wrench body, a movable jaw, a movable block, an adjusting screw rod, a first cylindrical pin, a second cylindrical pin and a spring, a fixed inclined block is arranged above the wrench body, a third installation groove is arranged on one side of the fixed inclined block, the movable jaw is installed in the third installation groove, a hook-shaped clamp block is arranged above the movable jaw, the end part of the hook-shaped clamp block is provided with an arc-shaped surface, the adjusting screw rod is installed below the movable jaw through the second cylindrical pin, the adjusting screw rod is engaged with a rack below the movable jaw and used for adjusting the position of the movable jaw and the size of the jaw, a clamping seat is arranged on the other side of the fixed inclined block, the movable block is installed in the clamping seat, and the bottom of the movable, the movable block is combined with the first cylindrical pin and is in sliding fit with the clamping seat, and an R-shaped convex block is arranged on one side, facing the movable jaw, of the movable block.

Preferably, the wrench body further comprises a first mounting groove and a second mounting groove, the adjusting screw is mounted in the first mounting groove through a second cylindrical pin, the first mounting groove is communicated with the third mounting groove, second pin holes matched with the second cylindrical pin are formed in two sides of the first mounting groove, the second mounting groove is formed in the clamping seat, the movable block and the spring are arranged in the second mounting groove, first pin holes matched with the first cylindrical pin are formed in two sides of the second mounting groove, and two ends of the spring respectively abut against the end face of the blind hole in the bottom of the movable block and the bottom of the second mounting groove.

Preferably, the movable jaw further comprises a slider and a rack, a hook-shaped clamp block bent towards the third mounting groove extends above one end of the slider, the rack meshed with the adjusting screw is arranged below the slider, and a latch is arranged on the end face of the inner side of the hook-shaped clamp block facing the third mounting groove.

Preferably, a slide block positioning groove for installing a slide block is formed in the lower portion of the third installation groove, the bottom of the slide block positioning groove is communicated with the first installation groove, and the upper portion of the adjusting screw rod extends into the slide block positioning groove and is meshed with the rack.

Preferably, an included angle between the central line of the slider positioning groove and the upper end face of the wrench body is 30 degrees, and the upper end face of the wrench body is parallel to the axis of the first cylindrical pin.

Preferably, one side of the fixed inclined block facing the movable jaw is provided with an inclined surface, and an included angle between the inclined surface and the upper end surface of the wrench body is 150 degrees.

Preferably, the R-shaped protruding block comprises a first protruding block and a second protruding block which are sequentially arranged from top to bottom, and the side faces, facing the movable jaw, of the first protruding block and the second protruding block are provided with arc-shaped faces.

Preferably, the movable block further comprises a support column, a sliding groove is formed in the support column, the first cylindrical pin penetrates through the sliding groove, the sliding groove is arranged along the axial direction of the support column, the axis of the support column is perpendicular to the axis of the first cylindrical pin, and a blind hole is formed in the bottom of the support column.

The invention has the beneficial effects that:

1. the function of rotation (similar to a ratchet wrench) is realized, and the working efficiency is improved;

2. the R-shaped convex block of the movable jaw and the arc-shaped convex block (R surface in the figure) of the movable block are used for clamping the plane of the workpiece, so that the condition that the angular line stress of the traditional adjustable wrench to the workpiece is changed into plane stress is changed, and the nut is effectively protected from being damaged;

3. the upper opening of the wrench body is provided with two surfaces forming an angle of 150 degrees, and the relative stress points of the wrench body suitable for nuts of different specifications are the same;

4. the slide block positioning groove in the wrench body and the upper opening surface of the wrench body form an angle of 30 degrees, and the relative stress points of the slide block positioning groove and the upper opening surface of the wrench body are the same when the jaw size is adjusted;

5. multiple functions, wide application and strong adaptability.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is an exploded view of a multi-functional high efficiency adjustable wrench according to the present invention;

FIG. 2 is a schematic view of the internal structure of the multifunctional high-efficiency adjustable wrench of the present invention;

FIG. 3 is a schematic structural diagram of a wrench body of the multifunctional high-efficiency adjustable wrench according to the present invention;

FIG. 4 is a schematic structural view of a movable jaw of the multi-functional high-efficiency adjustable wrench according to the present invention;

FIG. 5 is a schematic structural diagram of a movable block of the multi-functional high-efficiency adjustable wrench according to the present invention;

FIG. 6 is a schematic view showing a state where a hexagonal bolt (nut) is screwed by the multi-functional high-efficiency adjustable wrench according to the present invention;

FIG. 7 is a schematic view showing a rotation state of a multifunctional high-efficiency adjustable wrench for screwing a hexagon bolt (nut) according to the present invention;

FIG. 8 is a schematic view showing the structural state of a multifunctional high-efficiency monkey wrench for turning hook-shaped round nuts according to the present invention;

FIG. 9 is a schematic view showing a state where the multi-function high-efficiency adjustable wrench is used for screwing the cylindrical member according to the present invention;

FIG. 10 is a schematic view showing a state where the multifunctional high-efficiency adjustable wrench is used for twisting a triangular prism according to the present invention;

fig. 11 is a schematic view showing a state that the multifunctional high-efficiency adjustable wrench is used for screwing the pentagonal columnar part.

[ detailed description ] embodiments

Referring to fig. 1 to 5, the invention relates to a multifunctional high-efficiency adjustable wrench, one end of which has a flat working end, the other end of which has a handle 10, the working end includes a wrench body 1, a movable jaw 2, a movable block 3, an adjusting screw 4, a first cylindrical pin 5, a second cylindrical pin 6 and a spring 7, a fixed inclined block 13 is arranged above the wrench body 1, a third mounting groove 14 is arranged on one side of the fixed inclined block 13, the movable jaw 2 is mounted in the third mounting groove 14, a hook-shaped jaw block 23 is arranged above the movable jaw 2, the end of the hook-shaped jaw block 23 has an arc surface 232, the adjusting screw 4 is mounted below the movable jaw 2 through the second cylindrical pin 6, the adjusting screw 4 is engaged with a rack 22 below the movable jaw 2 for adjusting the position of the movable jaw 2 and the size of the jaw, a clamping seat 15 is arranged on the other side of the fixed inclined block 13, the movable block 3 is installed in the clamping seat 15, a spring 7 is arranged at the bottom of the movable block 3 in a matching mode, the movable block 3 is combined with the first cylindrical pin 5 to be in sliding fit with the clamping seat 15, and an R-shaped protruding block is arranged on one side, facing the movable jaw 2, of the movable block 3.

Further, referring to fig. 3, the wrench body 1 further includes a first mounting groove 11 and a second mounting groove 12, the adjusting screw 4 is mounted in the first mounting groove 11 through a second cylindrical pin 6, the first mounting groove 11 is communicated with a third mounting groove 14, second pin holes 111 adapted to the second cylindrical pin 6 are formed in two sides of the first mounting groove 11, the second mounting groove 12 is formed in the clamping seat 15, the movable block 3 and the spring 7 are disposed in the second mounting groove 12, first pin holes 121 adapted to the first cylindrical pin 5 are formed in two sides of the second mounting groove 12, and two ends of the spring 7 are respectively abutted to an end face of a blind hole 312 at the bottom of the movable block 3 and a bottom of the second mounting groove 12.

Further, referring to fig. 4, the movable jaw 2 further includes a slider 21 and a rack 22, a hook-shaped block 23 bent toward the third installation groove 14 extends above one end of the slider 21, the rack 22 engaged with the adjusting screw 4 is disposed below the slider 21, and a latch 231 is disposed on an end surface of an inner side of the hook-shaped block 23 facing the third installation groove 14. The movable jaw 2 is controlled to move by matching the adjusting screw rod 4 with the rack 22 so as to adjust the size of the jaw and adapt to different working states. The hook-shaped clamp block 23 is provided with the latch 231, and thus can be used for mounting and dismounting a cylindrical member, a triangular column member, a pentagonal column member, and the like.

Further, referring to fig. 2, a slider positioning groove 141 for mounting the slider 21 is formed below the third mounting groove 14, the bottom of the slider positioning groove 141 is communicated with the first mounting groove 11, and the upper portion of the adjusting screw 4 extends into the slider positioning groove 141 and is engaged with the rack 22. Specifically, an included angle between the center line of the slider positioning groove 141 and the upper end surface of the wrench body 1 is 30 degrees, and the upper end surface of the wrench body 1 is parallel to the axis of the first cylindrical pin 5. One side of the fixed oblique block 13 facing the movable jaw 2 is provided with an inclined plane, and an included angle between the inclined plane and the upper end face of the wrench body 1 is 150 degrees, so that stress points of nuts meeting different specifications are correspondingly unchanged.

Further, referring to fig. 5, the R-shaped protrusion includes a first protrusion 32 and a second protrusion 33 sequentially arranged from top to bottom, and the sides of the first protrusion 32 and the second protrusion 33 facing the movable jaw 2 have arc-shaped surfaces. Specifically, the movable block 3 further includes a supporting column 31, a sliding groove 311 is arranged in the supporting column 31, the first cylindrical pin 5 penetrates through the sliding groove 311, the sliding groove 311 is arranged along the axial direction of the supporting column 31, the axis of the supporting column 31 is perpendicular to the axis of the first cylindrical pin 5, and the bottom of the supporting column 31 is provided with a blind hole 312.

The working process of the invention is as follows:

referring to fig. 6 and 7, use one: and screwing a hexagon bolt (nut) in a reciprocating manner. Wherein, in fig. 6, the wrench rotates clockwise, and the stress point on the R surface effectively protects the nut; in fig. 7, the wrench rotates counterclockwise and has a reciprocating function like a ratchet wrench, and at the moment, the movable block automatically moves downwards under the pressure of the workpiece and resets under the action of the spring after being in place.

Referring to fig. 8, 9, 10, and 11, the present invention can be applied to a hook nut, a cylindrical member, a triangular cylindrical member, a pentagonal cylindrical member, and the like, in this order, wherein referring to fig. 8, when the hook nut is screwed, the movable block is automatically moved downward by the pressure of the workpiece. The wrench has multiple functions, wide application and strong adaptability.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (8)

1. A multifunctional high-efficiency adjustable wrench, one end of which is provided with a flat working end, the other end of which is provided with a handle (10), is characterized in that: the working end comprises a wrench body (1), a movable jaw (2), a movable block (3), an adjusting screw (4), a first cylindrical pin (5), a second cylindrical pin (6) and a spring (7), a fixed inclined block (13) is arranged above the wrench body (1), a third installation groove (14) is formed in one side of the fixed inclined block (13), the movable jaw (2) is installed in the third installation groove (14), a hook-shaped clamp block (23) is arranged above the movable jaw (2), an arc-shaped surface (232) is arranged at the end part of the hook-shaped clamp block (23), the adjusting screw (4) is installed below the movable jaw (2) through the second cylindrical pin (6), the adjusting screw (4) is meshed with a rack (22) below the movable jaw (2), a clamping seat (15) is arranged on the other side of the fixed inclined block (13), and the movable block (3) is installed in the clamping seat (15), the bottom of the movable block (3) is provided with a spring (7), the movable block (3) is combined with the first cylindrical pin (5) and is in sliding fit with the clamping seat (15), and an R-shaped convex block is arranged on one side, facing the movable jaw (2), of the movable block (3).

2. The multi-functional high-efficiency adjustable wrench as claimed in claim 1, further comprising: the wrench body (1) further comprises a first mounting groove (11) and a second mounting groove (12), the adjusting screw rod (4) is mounted in the first mounting groove (11) through a second cylindrical pin (6), the first mounting groove (11) is communicated with a third mounting groove (14), second pin holes (111) matched with the second cylindrical pin (6) are formed in two sides of the first mounting groove (11), the second mounting groove (12) is formed in the clamping seat (15), the movable block (3) and the spring (7) are arranged in the second mounting groove (12), first pin holes (121) matched with the first cylindrical pin (5) are formed in two sides of the second mounting groove (12), and two ends of the spring (7) are abutted to the end face of a blind hole (312) in the bottom of the movable block (3) and the bottom of the second mounting groove (12) respectively.

3. The multi-functional high-efficiency adjustable wrench as claimed in claim 1, further comprising: the movable jaw (2) further comprises a sliding block (21) and a rack (22), a hook-shaped clamp block (23) bent towards the third installation groove (14) extends above one end of the sliding block (21), the rack (22) meshed with the adjusting screw rod (4) is arranged below the sliding block (21), and a clamping tooth (231) is arranged on the end face, facing the third installation groove (14), of the inner side of the hook-shaped clamp block (23).

4. The multi-functional high-efficiency adjustable wrench as claimed in claim 3, wherein: and a slider positioning groove (141) for installing a slider (21) is formed in the lower part of the third mounting groove (14), the bottom of the slider positioning groove (141) is communicated with the first mounting groove (11), and the upper part of the adjusting screw rod (4) extends into the slider positioning groove (141) and is meshed with the rack (22).

5. The multi-functional high-efficiency adjustable wrench as claimed in claim 4, wherein: the included angle between the center line of the slide block positioning groove (141) and the upper end face of the wrench body (1) is 30 degrees, and the upper end face of the wrench body (1) is parallel to the axis of the first cylindrical pin (5).

6. The multi-functional high-efficiency adjustable wrench as claimed in claim 5, further comprising: one side of the fixed oblique block (13) facing the movable jaw (2) is provided with an inclined plane, and an included angle between the inclined plane and the upper end face of the wrench body (1) is 150 degrees.

7. The multi-functional high-efficiency adjustable wrench as claimed in claim 1, further comprising: r shape lug includes from last first lug (32) and the second lug (33) that sets gradually down, first lug (32), second lug (33) all have the arcwall face towards the side of activity keep in the mouth (2).

8. The multi-functional high-efficiency adjustable wrench as claimed in claim 1, further comprising: the movable block (3) further comprises a supporting column (31), a sliding groove (311) is formed in the supporting column (31), the first cylindrical pin (5) penetrates through the sliding groove (311), the sliding groove (311) is arranged in the axial direction of the supporting column (31), the axis of the supporting column (31) is perpendicular to the axis of the first cylindrical pin (5), and a blind hole (312) is formed in the bottom of the supporting column (31).

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