CN218718518U

CN218718518U - Stable self-locking worm wheel

Info

Publication number: CN218718518U
Application number: CN202222662674.0U
Authority: CN
Inventors: 吴志超; 黄天赐; 黄卿卯
Original assignee: Quanzhou Chaoyue Worm Gear Valve Co ltd
Current assignee: Quanzhou Chaoyue Worm Gear Valve Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-24
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a stable from locking-type worm wheel, which comprises a housin, the left side of casing is provided with the turning handle, the right side fixedly connected with prism of turning handle, the axis department swing joint on prism surface has the worm, prismatic right side swing joint has the connecting plate, the equal fixedly connected with spring in front end and the rear end on connecting plate right side, the right side and the casing fixed connection of spring, axis department fixed connection on connecting plate right side has the elasticity telescopic link, the left axis department fixedly connected with stopper of connecting plate. The utility model discloses a cooperation of casing, turning handle, prism, worm, connecting plate, spring, elastic expansion pole, stopper, worm wheel, pivot, elastic expansion post, connecting rod, fixed pin, through-hole, installation piece and connecting hole has solved current worm wheel and has not possessed self-locking function after using, leads to the worm wheel to rotate by oneself easily, can't satisfy operation requirement's problem.

Description

Stable self-locking worm wheel

Technical Field

The utility model relates to a worm gear technical field specifically is a stable from locking-type worm wheel.

Background

The worm and worm gear mechanism is usually used for transmitting the motion and power between two staggered shafts, the worm and worm gear are equivalent to a gear and a rack in the middle plane, and the worm is similar to a screw in shape.

Some worm gears are controlled by hand, but the existing worm gears do not have a self-locking function after being used, so that the worm gears are easy to rotate by themselves and cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a stable from locking-type worm wheel possesses self-locking function's advantage, has solved current worm wheel and has not possessed self-locking function after using, leads to the worm wheel to rotate by oneself easily, can't satisfy operation requirement's problem.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stable from locking-type worm wheel, includes the casing, the left side of casing is provided with the turning handle, the right side fixedly connected with prism of turning handle, the axis department swing joint on prismatic surface has the worm, prismatic right side swing joint has the connecting plate, the equal fixedly connected with spring in front end and the rear end on connecting plate right side, the right side and the casing fixed connection of spring, axis department fixed connection elastic expansion pole on connecting plate right side, the left axis department fixedly connected with stopper of connecting plate, the left side meshing of stopper has the worm wheel, the inner chamber fixedly connected with pivot of worm wheel, the front and the worm meshing of worm wheel, the equal fixedly connected with elastic expansion post in front end and the rear end on casing top right side, the top fixedly connected with connecting rod of elastic expansion post, the axis department fixedly connected with fixed pin of connecting rod bottom.

Preferably, the front side of the inner cavity of the shell is fixedly connected with a fixed block, and the right side of the fixed block and the left side of the inner cavity of the shell are both movably connected with the worm through a first bearing.

Preferably, the right side of the surface of the prism is movably connected with the connecting plate through a second bearing, and the left side of the shell is provided with a round hole.

Preferably, a sliding groove is formed in the rear side of the inner cavity of the shell, and the inner cavity of the sliding groove is in sliding connection with the connecting plate.

Preferably, the two sides of the front and back bottoms of the shell are fixedly connected with mounting blocks, and the top of each mounting block is provided with a connecting hole.

Preferably, the left side of the top of the shell is provided with a movable hole, the right side of the top of the shell is provided with a through hole, an inner cavity of the through hole is connected with the elastic telescopic rod in an inserting mode, and the top of the inner cavity of the shell is movably connected with the rotating shaft through a third bearing.

Advantageous effects

Compared with the prior art, the utility model provides a stable from locking-type worm wheel possesses following beneficial effect:

1. the utility model discloses after the stop work, the staff keeps away from the turning handle, and the thrust through the spring drives the connecting plate and removes this moment, and the connecting plate drives the stopper and removes, and after stopper and worm wheel meshing, elastic telescopic rod just corresponds with the through-hole, then elastic telescopic rod can be tensile for elastic telescopic rod and through-hole peg graft, can accomplish the auto-lock, have solved current worm wheel and have not possessed self-locking function after using, lead to the worm wheel to rotate by oneself easily, can't satisfy the problem of operation requirement.

2. The utility model discloses a set up fixed block and first bearing, stabilized the work of worm, carried on spacingly to the worm, through setting up the second bearing, make things convenient for the prism to drive the connecting plate and remove, through setting up the spout, stabilized the work of connecting plate, and then make the stopper during operation stable, through setting up installation piece and connecting hole, it is convenient spacing to the casing, and then make the during operation stable, through setting up the third bearing, stabilized the work of pivot, and then make the worm wheel during operation stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the top view structure of the shell of the present invention in a sectional view;

fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: 1. a housing; 2. a handle is rotated; 3. a prism; 4. a worm; 5. a fixed block; 6. a first bearing; 7. a second bearing; 8. a connecting plate; 9. a spring; 10. an elastic telescopic rod; 11. a chute; 12. a limiting block; 13. a worm gear; 14. a rotating shaft; 15. an elastic telescopic column; 16. a connecting rod; 17. a fixing pin; 18. a through hole; 19. mounting a block; 20. and connecting the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, a stable self-locking worm wheel, comprising a housing 1, a rotating handle 2 is arranged on the left side of the housing 1, a prism 3 is fixedly connected to the right side of the rotating handle 2, a worm 4 is movably connected to the center axis of the surface of the prism 3, a connecting plate 8 is movably connected to the right side of the prism 3, a spring 9 is fixedly connected to the front end and the rear end of the right side of the connecting plate 8, the right side of the spring 9 is fixedly connected to the housing 1, an elastic telescopic rod 10 is fixedly connected to the center axis of the right side of the connecting plate 8, a limiting block 12 is fixedly connected to the center axis of the left side of the connecting plate 8, a worm wheel 13 is meshed to the left side of the limiting block 12, a rotating shaft 14 is fixedly connected to the inner cavity of the worm wheel 13, the front surface of the worm wheel 13 is meshed to the worm 4, an elastic telescopic column 15 is fixedly connected to the front end and the rear end of the right side of the top of the housing 1, a connecting rod 16 is fixedly connected to a connecting rod 16, and a fixing pin 17 is fixedly connected to the center axis of the bottom of the connecting rod.

Through above-mentioned technical scheme, after the stop work, the staff keeps away from turning handle 2, and the thrust through spring 9 drives connecting plate 8 and removes this moment, and connecting plate 8 drives stopper 12 and removes, and after stopper 12 and worm wheel 13 meshing, elasticity telescopic link 10 just corresponds with through-hole 18, then elasticity telescopic link 10 can be tensile for elasticity telescopic link 10 is pegged graft with through-hole 18, can accomplish the auto-lock.

The front side fixedly connected with fixed block 5 of casing 1 inner chamber, the right side of fixed block 5 and the left side of casing 1 inner chamber all through first bearing 6 and worm 4 swing joint.

Through the technical scheme, the fixing block 5 and the first bearing 6 are arranged, so that the work of the worm 4 is stabilized, and the worm 4 is limited.

The right side of the surface of the prism 3 is movably connected with a connecting plate 8 through a second bearing 7, and the left side of the shell 1 is provided with a round hole.

Through above-mentioned technical scheme, through setting up second bearing 7, make things convenient for prismatic 3 to drive connecting plate 8 and remove.

The rear side of the inner cavity of the shell 1 is provided with a chute 11, and the inner cavity of the chute 11 is connected with the connecting plate 8 in a sliding manner.

Through the technical scheme, the working of the connecting plate 8 is stabilized by arranging the sliding grooves 11, and then the working of the limiting blocks 12 is stable.

Both sides of the front and back bottom of the shell 1 are fixedly connected with mounting blocks 19, and the top of the mounting blocks 19 is provided with connecting holes 20.

Through above-mentioned technical scheme, through setting up installation piece 19 and connecting hole 20, it is convenient spacing to casing 1, and then makes the during operation stable.

The left side at casing 1 top has seted up the activity hole, and the right side at casing 1 top has seted up through-hole 18, and the inner chamber of through-hole 18 is pegged graft with elastic telescopic rod 10, and the top of casing 1 inner chamber passes through third bearing and pivot 14 swing joint.

Through the technical scheme, the third bearing is arranged, so that the working of the rotating shaft 14 is stabilized, and the worm wheel 13 is stable in working.

When using, press connecting rod 16 downwards, connecting rod 16 drives fixed pin 17 and removes, fixed pin 17 descends the in-process and can contact with elasticity telescopic link 10, and drive elasticity telescopic link 10 shrink, after through-hole 18 was kept away from to elasticity telescopic link 10, promote turning handle 2 to the right side, turning handle 2 drives prismatic 3 and removes, prismatic 3 drives connecting plate 8 and removes, connecting plate 8 drives stopper 12 and removes, after worm wheel 13 was kept away from to stopper 12, can rotate turning handle 2, turning handle 2 drives worm 4 and rotates, worm 4 drives worm wheel 13 and rotates, after the stop work, the staff keeps away from turning handle 2, the thrust through spring 9 drives connecting plate 8 and removes this moment, connecting plate 8 drives stopper 12 and removes, after stopper 12 and worm wheel 13 mesh, elasticity telescopic link 10 just corresponds with through-hole 18, then elasticity telescopic link 10 can stretch, make elasticity telescopic link 10 peg graft with through-hole 18, can accomplish the auto-lock, it does not possess the auto-lock function to have solved current worm wheel 13 after the use, lead to the easy rotation of worm wheel 13, can's problem of unable operation requirement is satisfied.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stable self-locking worm gear, comprising a housing (1), characterized in that: the left side of casing (1) is provided with turning handle (2), the right side fixedly connected with prism (3) of turning handle (2), axis department swing joint on prism (3) surface has worm (4), the right side swing joint of prism (3) has connecting plate (8), the equal fixedly connected with spring (9) in front end and the rear end on connecting plate (8) right side, the right side and casing (1) fixed connection of spring (9), axis department fixed connection elastic telescopic rod (10) on connecting plate (8) right side, the equal fixedly connected with stopper (12) in axis department on connecting plate (8) left side, the left side meshing of stopper (12) has worm wheel (13), the inner chamber fixedly connected with pivot (14) of worm wheel (13), the positive worm and worm (4) meshing of worm wheel (13), the equal fixedly connected with elastic telescopic column (15) in front end and the rear end on casing (1) top right side, the top fixedly connected with connecting rod (16) of elastic telescopic column (15), axis department fixedly connected with fixed pin (17) of connecting rod (16) bottom.

2. A stable self-locking worm-gear according to claim 1, characterised in that: the front side fixedly connected with fixed block (5) of casing (1) inner chamber, the right side of fixed block (5) and the left side of casing (1) inner chamber all through first bearing (6) and worm (4) swing joint.

3. A stable self-locking worm-gear according to claim 1, characterised in that: the right side of the surface of the prism (3) is movably connected with a connecting plate (8) through a second bearing (7), and a round hole is formed in the left side of the shell (1).

4. A stable self-locking worm-gear according to claim 1, characterised in that: the rear side of casing (1) inner chamber is opened and is equipped with spout (11), the inner chamber and connecting plate (8) sliding connection of spout (11).

5. A stable self-locking worm-gear according to claim 1, characterised in that: the improved portable electronic device is characterized in that mounting blocks (19) are fixedly connected to the two sides of the front and back bottoms of the shell (1), and connecting holes (20) are formed in the tops of the mounting blocks (19).

6. A stable self-locking worm-gear according to claim 1, characterised in that: the movable hole has been seted up in the left side at casing (1) top, through-hole (18) have been seted up on the right side at casing (1) top, the inner chamber and the grafting of elastic telescopic rod (10) of through-hole (18), the top of casing (1) inner chamber is through third bearing and pivot (14) swing joint.