CN212735815U

CN212735815U - Wind big gun interface formula all-round spanner

Info

Publication number: CN212735815U
Application number: CN202021328816.4U
Authority: CN
Inventors: 陈玲; 师云红; 李艳
Original assignee: Kunming University
Current assignee: Kunming University
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-19
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a wind cannon interface type all-round wrench, which comprises a hollow sleeve with two open ends, wherein the edge of the lower end of the sleeve extends inwards to form a limiting ring, a worm wheel driving turntable rotating around the axis is arranged in the sleeve, a plurality of chutes are arranged on the bottom surface of the worm wheel driving turntable, the plurality of chutes are combined to form a regular polygon, and the tail end of the regular polygon penetrates out of the polygon and extends outwards; 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 utility model discloses the atress is evenly difficult for skidding to but the opening size freedom adjustment is applicable to the bolt and nut of different models size, improves work efficiency.

Description

Wind big gun interface formula all-round spanner

Technical Field

The utility model relates to a hand tool technical field, in particular to wind big gun interface formula all-round spanner.

Background

In the field of equipment maintenance, some mechanical wrenches are needed at any time, most of the existing wrenches are fixed, although a small number of adjustable wrenches exist, most of action points of the adjustable wrenches are two faces or even two lines, the action points are uneven in stress and easy to slip and deform bolts and nuts or even damage the bolts and the nuts, and the parts are possibly damaged due to the fact that the bolts and the nuts are not easy to slip and deform, and great troubles are brought to simple assembling and disassembling. Fixed spanner also is sleeve type, need change different spanners according to the nut bolt model of difference when using, and is more troublesome when using, because the sleeve model is more, does not get rid of and has one or two telescopic circumstances of losing, can not find corresponding model also more troublesome, causes waste time, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wind big gun interface formula all-round spanner, the atress is even difficult for skidding, not fragile bolt and nut to but the opening size free adjustment is applicable to the bolt and nut of different models size, and it is troublesome to avoid looking for the instrument, improves work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a wind cannon interface type all-round wrench 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, a worm wheel driving turntable which rotates around a shaft line is arranged in the sleeve, a plurality of sliding grooves are formed in one side, close to the limiting ring, of the worm wheel driving turntable, the plurality of sliding grooves are combined to form a regular polygon, the tail end of the regular polygon penetrates through the polygon and extends outwards, and the rotating directions of the sliding grooves are the same;

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, the bottom edge of each triangular sliding block faces the circle center of the limiting ring, one side edge of each triangular sliding block is provided with a sliding strip in sliding connection with the corresponding sliding groove, and the other side edge of each two adjacent triangular sliding blocks is in contact with the bottom edge;

one side of the worm wheel driving turntable is provided with a worm meshed with the worm wheel driving turntable, the worm wheel driving turntable and the worm meet a self-locking condition, the front end and the rear end of the worm are rotatably connected with the sleeve, 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.

Through adopting above-mentioned technical scheme, during the use, according to bolt and nut's size rotation hand wheel, make the worm drive worm wheel drive carousel rotate, make the spout rotate, the two liang of coincidence of each face between the triangle slider is inwards or outwards moved owing to the restraint relation of spout and slide rail to the triangle slider, thereby realized adjusting the spanner opening, put into the space between the slider with bolt or nut, after being connected handle and sleeve lid, just can twist bolt or nut, twist the in-process because worm gear's auto-lock, bolt and nut's reaction force can not make worm wheel drive carousel drive worm rotate, thereby can not make the opening enlarge and lead to the slippage.

The utility model discloses a further set up to: the rotating hole is formed in the worm gear driving turntable in a penetrating mode along the axis, and the center of the sleeve cover extends downwards to form a rotating shaft which is matched with the rotating hole and is hollow and provided with an opening at the lower end.

Through adopting above-mentioned technical scheme for the rotation of worm wheel drive carousel is more stable, and when being convenient for twist the nut, the bolt can stretch into in the sleeve.

The utility model discloses a further set up to: run through the spacing ring and offer the slide rail with each spout one-to-one, one side that each triangle slider is close to the spacing ring all is provided with slide rail sliding connection's slide axle.

Through adopting above-mentioned technical scheme, the triangle slider is retrained simultaneously to both sides for the triangle slider slides more stably.

The utility model discloses a further set up to: the upper end of the sleeve cover is provided with a connector, the connector is provided with a geometric connecting hole, and one end of the handle is perpendicular to the geometric connecting shaft matched with the geometric connecting hole.

Through adopting above-mentioned technical scheme, the handle of being convenient for can dismantle with the sleeve lid and be connected, can constantly take off handle adjustment position during the use.

The utility model discloses a further set up to: the driving part is a hand wheel.

The utility model discloses a further set up to: the worm wheel driving turntable comprises a driving disc, a driving worm wheel and a sliding chute, wherein the driving disc is close to one side of the limiting ring, the outer diameter of the driving disc is the same as the inner diameter of the sleeve, the driving worm wheel is close to one side of the sleeve cover, the inner diameter of the driving worm wheel is smaller than that of the driving disc, and each sliding chute is arranged at the bottom of the driving.

The utility model discloses a further set up to: each triangular slide block is equal to a waist triangle and is subjected to corner cutting treatment at one corner far away from the bottom edge to form an isosceles trapezoid.

Through adopting above-mentioned technical scheme for the sliding space of triangle slider in the sleeve is bigger, and the adjustable scope of opening that forms between the triangle slider is bigger.

By adopting the technical scheme, the sleeve cover is detachably connected with the sleeve through the plurality of connecting bolts.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, the chutes connected into a regular polygon drive the triangular slide block to move regularly during rotation to form an air cannon type opening, the size of the air cannon type opening can be adjusted at will according to actual conditions, the air cannon type opening is suitable for bolts and nuts of different models and sizes, trouble in finding tools is avoided, working efficiency is improved, face-to-face contact stress is realized, stress is uniform, slipping is not easy to occur, and the bolts and nuts are not easy to damage;

secondly, due to the self-locking principle of the worm wheel driving turntable and the worm, the worm can drive the worm wheel driving turntable to rotate so as to freely adjust the size of the opening of the wind cannon, but the reaction force generated when the bolt or the nut is screwed cannot enable the worm wheel driving turntable to drive the worm to rotate, and the wind cannon cannot slip due to the enlargement of the opening of the wind cannon in the using process;

thirdly, because the handle and the sleeve cover can be detached at any time, the handle can be continuously taken down to adjust the position when in use, the bolt or the nut does not need to be screwed by rotating the handle for a whole circle, and the use in a narrow and small use space is convenient.

Drawings

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

FIG. 2 is an exploded view of the present invention with the handle removed;

FIG. 3 is a view primarily showing the grooves on the drive plate;

FIG. 4 is a schematic view of the overall structure of a triangular slider;

FIG. 5 is a schematic view of the overall structure of the cartridge cover;

fig. 6 is a schematic view of the overall structure of the handle.

In the figure: 1. a sleeve; 11. a limiting ring; 12. a slide rail; 2. the worm wheel drives the turntable; 21. a drive disc; 22. a drive worm gear; 23. a chute; 24. hole turning; 3. a triangular slider; 31. a slide bar; 32. a slide shaft; 4. a worm; 5. a drive member; 6. a sleeve cover; 61. a rotating shaft; 7. a connector; 71. connecting holes geometrically; 8. a connecting bolt; 9. a handle; 91. connecting the shafts geometrically.

Detailed Description

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

An embodiment of the invention relates to a wind cannon interface type all-round wrench, which, referring to fig. 1-6, includes a hollow sleeve 1 with two open ends, the edge of the lower end of the sleeve 1 extends inwards to form a circle of limit ring 11, a worm wheel driving turntable 2 rotating around the axis is arranged in the sleeve 1, the worm wheel driving turntable 2 includes a driving disc 21 which is close to one side of the limit ring 11 and has the same outer diameter as the inner diameter of the sleeve 1, and a driving worm wheel 22 which is close to one side of the sleeve cover 6 and has the inner diameter smaller than the driving disc 21, a plurality of sliding grooves 23 are arranged on one side of the driving disc 21 close to the limit ring 11, the plurality of sliding grooves 23 are combined to form a regular polygon, the tail end of the regular polygon penetrates out of the regular polygon and extends outwards, the rotating directions of each sliding groove 23 are.

Each sliding groove 23 is connected with a triangular sliding block 3 in a sliding mode, each triangular sliding block 3 is arranged between the worm wheel driving turntable 2 and the limiting ring 11, the bottom edge of each triangular sliding block 3 faces the circle center of the limiting ring 11, one side edge of each triangular sliding block 3 is provided with a sliding strip 31 in sliding connection with the corresponding sliding groove 23, and the other side edge of each two adjacent triangular sliding blocks 3 is in contact with the bottom edge; in this embodiment, an equal waist triangle of each triangular slider 3 and an angle far away from the bottom side are subjected to corner cutting processing to be changed into an isosceles trapezoid, so that the triangular slider 3 has more moving spaces, the sliding rails 12 corresponding to the sliding grooves 23 are arranged through the limiting ring 11, and one side of each triangular slider 3 close to the limiting ring 11 is provided with a sliding shaft 32 connected with the sliding rails 12 in a sliding manner.

One side of the worm wheel drive turntable 2 is provided with a worm 4 meshed with the worm wheel drive turntable 2, the worm wheel drive turntable 2 and the worm 4 meet a self-locking condition, the worm 4 moves to drive the worm wheel drive turntable 2 to rotate, but the movement trend of the worm wheel drive turntable 2 cannot drive the worm 4 to move, so that the self-locking purpose is realized, the front end and the rear end of the worm 4 are rotatably connected with the sleeve 1, one end of the worm 4 penetrates out of the sleeve 1 to be connected with a drive part 5 capable of driving the worm to rotate, wherein the drive part 5 is a hand wheel in the embodiment.

Sleeve 1's upper end is connected with a sleeve lid 6, sleeve lid 6 can be dismantled with sleeve 1 through six connecting bolt 8 and be connected, run through worm wheel drive carousel 2 along the axial lead and seted up one and changeed hole 24, sleeve lid 6's center downwardly extending forms one and changes hole 24 and cooperate and cavity lower extreme open-ended pivot 61, sleeve lid 6's upper end can be dismantled and be connected with a handle 9, sleeve lid 6's upper end is provided with a connector 7, connector 7 has been seted up and has been tetragonal geometry connecting hole 71, the one end of perpendicular handle 9 be provided with geometry connecting hole 71 assorted geometry connecting axle 91.

The use method comprises the following steps: when the wrench is used, the hand wheel is rotated according to the size of the bolt and the nut, the worm 4 drives the worm wheel to drive the turntable 2 to rotate, the sliding groove 23 is rotated, six triangular sliding blocks 3 enable six faces between the triangular sliding blocks 3 to be overlapped inwards or outwards due to the constraint relation of the sliding groove 23 and the sliding rail 12, so that the opening of the wrench is adjusted, the bolt or the nut is placed in a gap between the six sliding blocks, the bolt or the nut can be screwed after the geometric connecting shaft 91 of the handle 9 is connected with the connector 7, the bolt or the nut cannot be driven to rotate by the reaction force of the bolt and the nut due to self-locking of the worm wheel and the worm in the screwing process, the opening cannot be expanded to cause slippage, the handle 9 is taken down after half circle screwing, the position is adjusted and the bolt or the nut is connected with the connector 7 again until the bolt or the nut is.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a wind big gun interface formula almightiness spanner, includes cavity both ends open-ended sleeve (1), its characterized in that: the edge of the lower end of the sleeve (1) extends inwards to form a limiting ring (11), a worm wheel driving turntable (2) rotating around the axis is arranged in the sleeve (1), a plurality of sliding grooves (23) are formed in one side, close to the limiting ring (11), of the worm wheel driving turntable (2), the plurality of sliding grooves (23) are combined to form a regular polygon, the tail end of the regular polygon penetrates through the polygon and extends outwards, and the rotating directions of all the sliding grooves (23) are the same;

each sliding groove (23) is connected with a triangular sliding block (3) in a sliding mode, each triangular sliding block (3) is arranged between the worm wheel driving turntable (2) and the limiting ring (11), the bottom edge of each triangular sliding block (3) faces the circle center of the limiting ring (11), one side edge of each triangular sliding block (3) is provided with a sliding strip (31) in sliding connection with the corresponding sliding groove (23), and the other side edge of each two adjacent triangular sliding blocks (3) is in contact with the bottom edge;

a worm (4) meshed with the worm wheel driving turntable (2) is arranged on one side of the worm wheel driving turntable (2), the worm wheel driving turntable (2) and the worm (4) meet a self-locking condition, the front end and the rear end of the worm (4) are rotatably connected with the sleeve (1), and one end of the worm (4) penetrates through the sleeve (1) and is connected with a driving part (5) capable of driving the worm (4) to rotate;

the upper end of the sleeve (1) is connected with a sleeve cover (6), and the upper end of the sleeve cover (6) is detachably connected with a handle (9).

2. The wind cannon interface type universal wrench of claim 1, which is characterized in that: the rotating hole (24) is formed in the worm gear driving turntable (2) in a penetrating mode along the axial lead, and the center of the sleeve cover (6) extends downwards to form a rotating shaft (61) which is matched with the rotating hole (24) and is hollow and provided with an opening at the lower end.

3. The wind cannon interface type universal wrench of claim 1, which is characterized in that: run through spacing ring (11) and seted up slide rail (12) with each spout (23) one-to-one, one side that each triangle slider (3) are close to spacing ring (11) all be provided with slide rail (12) sliding connection's sliding shaft (32).

4. The wind cannon interface type universal wrench of claim 1, which is characterized in that: the upper end of sleeve lid (6) is provided with connector (7), geometry connecting hole (71) have been seted up to connector (7), perpendicularly the one end of handle (9) be provided with geometry connecting hole (71) assorted geometry connecting axle (91).

5. The wind cannon interface type universal wrench of claim 1, which is characterized in that: the driving part (5) is a hand wheel.

6. The wind cannon interface type universal wrench of claim 1, which is characterized in that: worm wheel drive carousel (2) including be close to spacing ring (11) one side and external diameter with driving-disc (21) that sleeve (1) internal diameter is the same, be close to sleeve lid (6) one side and internal diameter are less than drive-disc (21) drive worm wheel (22), each spout (23) all set up in the bottom of driving-disc (21).

7. The wind cannon interface type universal wrench of claim 1, which is characterized in that: six chutes (23) are arranged, the six chutes (23) are communicated and combined to form a regular hexagon, and the tail end of the regular hexagon penetrates out of the polygon and extends outwards.

8. The wind cannon interface type universal wrench of claim 1, which is characterized in that: each triangular slide block (3) is equal in waist triangle and is subjected to angle cutting treatment at one corner far away from the bottom edge to form an isosceles trapezoid.

9. The wind cannon interface type universal wrench of claim 1, which is characterized in that: the sleeve cover (6) is detachably connected with the sleeve (1) through a plurality of connecting bolts (8).