CN111673662A - An all-round wrench with an air gun interface - Google Patents

Abstract

The invention discloses a wind cannon interface type all-round wrench which comprises a hollow sleeve with openings at two ends, wherein the edge of the lower end of the sleeve extends inwards to form a limiting ring; each sliding groove is connected with a triangular sliding block in a sliding mode, each triangular sliding block is arranged between the worm wheel driving turntable and the limiting ring, and one side edge of each triangular sliding block is provided with a sliding strip in sliding connection with the corresponding sliding groove; one side of the worm wheel driving turntable is provided with a worm meshed with the worm wheel driving turntable, and one end of the worm penetrates through the sleeve to be connected with a driving part capable of driving the worm to rotate; the upper end of the sleeve is connected with a sleeve cover, and the upper end of the sleeve cover is detachably connected with a handle. The bolt nut is uniform in stress and not easy to slip, the size of the opening can be freely adjusted, the bolt nut is suitable for bolts and nuts of different types and sizes, and the working efficiency is improved.

Description

An all-round wrench with an air gun interface

technical field

The invention relates to the technical field of hand tools, in particular to an all-purpose wrench with an air gun interface.

Background technique

In the field of equipment maintenance and repair, some mechanical wrenches are needed at any time. Most of the current wrenches are fixed. Although there are a small number of adjustable wrenches, most of these adjustable wrenches have two surfaces or even two Due to the uneven force, the bolts and nuts are easily slipped, deformed, or even damaged, which brings great trouble to simple assembly and disassembly, and may damage the components. Fixed wrenches are also sockets. When using, you need to replace different wrenches according to different nut and bolt types. It is troublesome to use. Because there are many types of sockets, it is not ruled out that there will be one or two sockets. In the case of loss, it is also troublesome to find the corresponding model, resulting in wasting time and low work efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an all-round wrench with an air gun interface, which is uniform in force, not easy to slip, not easy to damage the bolts and nuts, and the opening size can be adjusted freely, which is suitable for bolts and nuts of different sizes, avoids the trouble of finding tools, and improves work efficiency. .

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

An all-round wrench with an air gun interface, comprising a hollow sleeve with open ends at both ends, the edge of the lower end of the sleeve extends inward to form a limit ring, and the sleeve is provided with a worm gear-driven turntable that rotates around an axis line , the side of the worm gear drive turntable close to the limit ring is provided with a plurality of chutes, the plurality of chutes are combined to form a regular polygon and the ends extend out of the polygon, and the rotation directions of each chutes are the same;

Each chute is slidably connected with a triangular slider, each triangular slider is arranged between the worm gear drive turntable and the limit ring, and the bottom edge of each triangle slider faces the end of the limit ring. At the center of the circle, one side of each triangular slider is provided with a slider that is slidably connected to the corresponding chute, and the other side of each adjacent two triangular sliders is in contact with the bottom edge;

One side of the worm wheel drive turntable is provided with a worm that meshes with it, the worm wheel drive turntable and the worm meet the self-locking condition, the front and rear ends of the worm are rotatably connected with the sleeve, and the worm One end of the sleeve goes out of the sleeve and is connected with a driving component that can drive it to rotate;

A sleeve cover is connected to the upper end of the sleeve, and a handle is detachably connected to the upper end of the sleeve cover.

By adopting the above technical solution, during use, the hand wheel is rotated according to the size of the bolt and nut, so that the worm drives the worm wheel to drive the turntable to rotate, so that the chute rotates. The two sides overlap and move inward or outward, so as to realize the opening of the adjustment wrench, put the bolt or nut into the gap between the sliders, and connect the handle to the sleeve cover, then the bolt or nut can be screwed , During the screwing process, due to the self-locking of the worm gear and the worm, the reaction force of the bolt and nut cannot make the worm gear drive the turntable to drive the worm to rotate, so that the opening will not be enlarged to cause slippage.

The present invention is further provided as follows: a rotating hole is formed through the worm gear drive turntable along the axis line, and the center of the sleeve cover extends downward to form a rotating shaft which is matched with the rotating hole and has an open hollow lower end.

By adopting the above technical solution, the rotation of the worm wheel drive turntable is more stable, and it is convenient for the bolt to extend into the sleeve when the nut is screwed.

The present invention is further provided as follows: a slide rail corresponding to each chute one-to-one is provided through the limit ring, and a side of each triangular slider close to the limit ring is provided with a slide rail that slides with the slide rail. Connected Sliding Shaft.

By adopting the above technical solution, both sides constrain the triangular sliding block at the same time, so that the sliding of the triangular sliding block is more stable.

The present invention is further provided as follows: the upper end of the sleeve cover is provided with a connecting head, the connecting head is provided with a geometric connecting hole, and one end perpendicular to the handle is provided with a geometric connecting shaft matching the geometric connecting hole.

By adopting the above technical solution, the handle and the sleeve cover can be detachably connected, and the handle can be continuously removed to adjust the position during use.

The present invention further provides that: the driving component is a hand wheel.

The present invention is further provided as follows: the worm gear drive turntable includes a drive disk with the same outer diameter as the inner diameter of the sleeve and a side close to the sleeve cover and with an inner diameter smaller than the drive disk. The drive worm gear, each chute is arranged at the bottom of the drive plate.

A further arrangement of the present invention is that: each triangular slider is an isosceles triangle and a corner away from the base is chamfered to make it an isosceles trapezoid.

By adopting the above technical solution, the sliding space of the triangular sliders in the sleeve is larger, and the adjustable range of the openings formed between the triangular sliders is larger.

By adopting the above technical solution, the sleeve cover is detachably connected to the sleeve through a plurality of connecting bolts.

Compared with the prior art, the present invention has the following beneficial effects:

First, the chute connected into a regular polygon is used to drive the triangular slider to move regularly when it rotates to form a wind cannon-type opening. The size can be adjusted according to the actual situation. It is suitable for bolts and nuts of different sizes, avoiding the trouble of finding tools and improving the Work efficiency, and face-to-face contact force, uniform force, not easy to slip, not easy to damage bolts and nuts;

Second, due to the self-locking principle of the worm wheel drive turntable and the worm, the worm can drive the worm wheel drive turntable to rotate freely to adjust the size of the air gun opening, but the reaction force when screwing the bolt or nut cannot make the worm wheel drive turntable drive the worm to rotate. During the process, it will not slip due to the enlarged opening of the air gun;

Third, since the handle and sleeve cover can be disassembled at any time, the handle can be continuously removed to adjust the position during use, and there is no need to turn the handle to screw the bolt or nut, which is convenient for use in a narrow space.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the exploded view that the present invention removes the handle;

Figure 3 is mainly used to show the chute on the drive plate;

4 is a schematic diagram of the overall structure of a triangular slider;

5 is a schematic diagram of the overall structure of the sleeve cover;

Figure 6 is a schematic diagram of the overall structure of the handle.

In the figure: 1. Sleeve; 11. Limit ring; 12. Slide rail; 2. Worm gear drive turntable; 21, Drive disc; 22, Drive worm gear; 23, Chute; 24, Turn hole; 3, Triangular slider ;31, slide bar; 32, slide shaft; 4, worm; 5, drive part; 6, sleeve cover; 61, shaft; 7, connecting head; 71, geometric connecting hole; 8, connecting bolt; 9, handle; 91. Geometry connecting shaft.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

An embodiment, an all-purpose wrench with an air gun interface, referring to Figures 1-6, includes a hollow sleeve 1 with open ends at both ends, and the edge of the lower end of the sleeve 1 extends inward to form a limit ring 11, v. the sleeve 1. There is a worm gear drive turntable 2 that rotates around the axis line. The worm gear drive turntable 2 includes a drive disc 21 close to the side of the limit ring 11 and the outer diameter is the same as the inner diameter of the sleeve 1, and a side close to the sleeve cover 6. And the inner diameter of the drive worm gear 22 is smaller than that of the drive disc 21. The side of the drive disc 21 close to the limit ring 11 is provided with a plurality of chutes 23. The multiple chutes 23 are combined to form a regular polygon and the ends extend out of the polygon. The rotation directions of the chutes 23 are all the same. In this embodiment, there are six chutes 23, and the six chutes 23 are connected and combined to form a regular hexagon, and the ends extend out of the polygon.

Each chute 23 is slidably connected with a triangular sliding block 3 , each triangular sliding block 3 is arranged between the worm gear drive turntable 2 and the limit ring 11 , and the bottom edge of each triangular block 3 faces the limit ring 11, one side of each triangular slider 3 is provided with a slider 31 slidably connected with the corresponding chute 23, and the other side of each adjacent two triangular sliders 3 is in line with the bottom edge. Contact; in this embodiment, each triangular slider 3 is an isosceles triangle and the corner away from the base is chamfered to make it an isosceles trapezoid, so that the triangular slider 3 has more space for movement, and runs through the limit ring 11 There are slide rails 12 corresponding to each slide slot 23 one-to-one, and a slide shaft 32 slidably connected to the slide rail 12 is provided on one side of each triangular slider 3 close to the limit ring 11 .

One side of the worm wheel drive turntable 2 is provided with a worm screw 4 that engages with it, the worm wheel drive turntable 2 and the worm screw 4 satisfy the self-locking condition, and the movement of the worm wheel 4 can drive the worm wheel drive turntable 2 to rotate, but the movement trend of the worm wheel drive turntable 2 cannot be. The worm 4 is driven to move to achieve the purpose of self-locking. The front and rear ends of the worm 4 are connected in rotation with the sleeve 1. One end of the worm 4 passes through the sleeve 1 and is connected with a driving component 5 that can drive its rotation. The middle driving part 5 is a hand wheel.

The upper end of the sleeve 1 is connected with a sleeve cover 6. The sleeve cover 6 is detachably connected with the sleeve 1 through six connecting bolts 8. A rotating hole 24 is opened through the worm wheel drive turntable 2 along the axis line. The sleeve cover 6 The center of the sleeve extends downward to form a rotating shaft 61 that is matched with the rotating hole 24 and has an open hollow lower end. The upper end of the sleeve cover 6 is detachably connected with a handle 9, and the upper end of the sleeve cover 6 is provided with a connector 7 for connecting The head 7 is provided with a quadrilateral geometric connecting hole 71 , and one end of the vertical handle 9 is provided with a geometric connecting shaft 91 matching the geometric connecting hole 71 .

How to use: When in use, turn the hand wheel according to the size of the bolt and nut, so that the worm 4 drives the worm wheel to drive the turntable 2 to rotate, so that the chute 23 rotates. There are six faces between the sliders 3 that overlap and move inward or outward, so as to realize the opening of the adjustment wrench, put the bolts or nuts into the gaps between the six sliders, and connect the geometric connection shaft of the handle 9 After the 91 is connected to the connector 7, the bolt or nut can be twisted. During the twisting process, due to the self-locking of the worm gear and the worm, the reaction force of the bolt and nut cannot make the worm gear drive the turntable 2 to drive the worm 4 to rotate, so that the opening will not be enlarged. Slip off, turn it for half a turn and then remove the handle 9 and adjust the position to reconnect with the connector 7 until the bolt or nut is tightened.

This specific embodiment is only an explanation of the present invention, and it does not limit the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but as long as the rights of the present invention are used All claims are protected by patent law.

Claims (9)

1. An all-round wrench with an air gun interface, comprising a hollow sleeve (1) with openings at both ends, characterized in that: the edge of the lower end of the sleeve (1) extends inward to form a limit ring (11), The sleeve (1) is provided with a worm gear drive turntable (2) that rotates around the axis line, and a plurality of chute grooves (23) are provided on the side of the worm gear drive turntable (2) close to the limit ring (11). ), a plurality of chutes (23) are combined to form a regular polygon and the ends extend out of the polygon, and the direction of rotation of each chute (23) is the same; Each chute (23) is slidably connected with a triangular sliding block (3), each triangular sliding block (3) is arranged between the worm gear drive turntable (2) and the limit ring (11), and each The bottom edges of a triangular slider (3) are all facing the center of the limit ring (11), and one side edge of each triangular slider (3) is provided with a sliding bar slidably connected to the corresponding sliding groove (23). (31), the other side edge of each adjacent two triangular sliders (3) is in contact with the bottom edge; One side of the worm wheel drive turntable (2) is provided with a worm (4) that meshes with it, the worm wheel drive turntable (2) and the worm (4) satisfy the self-locking condition, and the worm (4) has a self-locking condition. Both the front and rear ends are rotatably connected with the sleeve (1), and one end of the worm (4) penetrates the sleeve (1) and is connected with a driving component (5) that can drive the rotation thereof; A sleeve cover (6) is connected to the upper end of the sleeve (1), and a handle (9) is detachably connected to the upper end of the sleeve cover (6). 2. An all-round wrench with a wind gun interface according to claim 1, characterized in that: a rotating hole (24) is provided through the worm gear drive turntable (2) along the axis line, and the sleeve cover (6) The center of ) extends downward to form a rotating shaft (61) which is matched with the rotating hole (24) and has an open hollow lower end. 3. A kind of air gun interface type all-round wrench according to claim 1, is characterized in that: through described limit ring (11) is provided with slide rail (12) corresponding to each chute (23) one-to-one A sliding shaft (32) slidably connected to the sliding rail (12) is provided on one side of each triangular sliding block (3) close to the limiting ring (11). 4. An all-round wrench with a wind gun interface according to claim 1, characterized in that: the upper end of the sleeve cover (6) is provided with a connecting head (7), and the connecting head (7) is provided with a geometric In the connecting hole (71), one end perpendicular to the handle (9) is provided with a geometric connecting shaft (91) matching the geometric connecting hole (71). 5 . The all-round wrench with an air gun interface according to claim 1 , wherein the driving component ( 5 ) is a hand wheel. 6 . 6 . The all-round wrench with a wind gun interface according to claim 1 , wherein the worm gear drive turntable ( 2 ) comprises a side close to the limit ring ( 11 ) and the outer diameter is the same as that of the sleeve. 7 . (1) A drive disc (21) with the same inner diameter, a drive worm wheel (22) close to the sleeve cover (6) and smaller in inner diameter than the drive disc (21), each chute (23) is provided in the the bottom of the drive disk (21). 7. A kind of wind gun interface type all-round wrench according to claim 1, it is characterized in that: described chutes (23) are provided with six, and six chutes (23) are connected and combined to form a regular hexagon and the ends are pierced out of polygons Extend outward. 8. a kind of wind gun interface type all-round wrench according to claim 1 is characterized in that: each triangular slider (3) is equal to an isosceles triangle and a corner away from the base is chamfered to make it into an isosceles trapezoid . 9 . The all-round wrench with a wind gun interface according to claim 1 , wherein the sleeve cover ( 6 ) is detachably connected to the sleeve ( 1 ) through a plurality of connecting bolts ( 8 ). 10 .

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