CN217207999U

CN217207999U - Valve hand wheel with self-locking function

Info

Publication number: CN217207999U
Application number: CN202123208854.3U
Authority: CN
Inventors: 袁丽斌; 张萍
Original assignee: Shanghai Dunsu New Building Materials Co ltd
Current assignee: Shanghai Dunsu New Building Materials Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-16
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a valve handle with self-locking function, including the ring body, be three connecting rod fixedly connected with valve rod through quantity in the ring body, just the valve rod upper end sets up and is the hemispherical structure, the valve rod upper end the ring body with hollow structure has all been set to the connecting rod, first spout has been seted up to ring body one side, it is equipped with the pinion rack to slide in the first spout, pinion rack one end is fixed with the clamp plate, the pinion rack is kept away from clamp plate one end is equipped with canceling release mechanical system, is close to the fixed first bearing that inlays in connecting rod middle part of pinion rack one side. This valve hand wheel can utilize the elliptical plate to push into the tooth's socket of ring gear with the self-locking board in to can realize the self-locking function of hand wheel, make the difficult emergence of hand wheel not hard up, and only need push down the clamp plate when the hand wheel is rotated to needs can the free rotation hand wheel, unclamp the clamp plate and can realize auto-lock convenient operation.

Description

Valve hand wheel with self-locking function

Technical Field

The utility model relates to a valve handle technical field particularly, relates to a valve handle with self-locking function.

Background

Can often use the valve to come the opening and close of control tube way in the pipeline of carrying liquid, the valve plays the control tube way flow of being convenient for, prevent effects such as adverse current and steady voltage, present valve is mostly through opening or closing of hand wheel control case, easy operation, and convenient control, but present valve hand wheel all does not have self-locking mechanism, lead to the valve hand wheel to be not hard up easily after long-time the use, and also can lead to the hand wheel to rotate because personnel misoperation touches the hand wheel, lead to the pipeline situation, cause irrecoverable loss.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve handle with self-locking function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a valve hand wheel with a self-locking function comprises a ring body, valve rods are fixedly connected in the ring body through three connecting rods, the upper end of each valve rod is of a hemispherical structure, the upper end of each valve rod, the ring body and the connecting rods are all arranged into a hollow structure, a first sliding groove is formed in one side of the ring body, a toothed plate is arranged in the first sliding groove in a sliding mode, a pressing plate is fixed at one end of each toothed plate, a resetting mechanism is arranged at one end, away from the pressing plate, of each toothed plate, a first bearing is fixedly embedded in the middle of each connecting rod, close to one side of each toothed plate, a first transmission shaft is fixed in each first bearing, a gear meshed with the toothed plate is fixed at one end of each first transmission shaft, a first bevel gear is arranged at the other end of each first transmission shaft, a second bearing is fixed on the inner wall of the bottom end of each valve rod, and a second transmission shaft is fixed in each second bearing, second transmission shaft upper end be fixed with first bevel gear assorted second bevel gear, the fixed cover of second transmission shaft middle part outer wall is equipped with the elliptical plate, the valve rod is close to a lateral wall of elliptical plate has seted up the second spout, it is equipped with the auto-lock board to slide in the second spout, the auto-lock board outer wall cover is equipped with compression spring, just compression spring's one end with valve rod inner wall fixed connection, compression spring's the other end with auto-lock board outer wall fixed connection, the fixed cover of valve rod upper end outer wall is equipped with the third bearing, the fixed cover of third bearing outer wall is equipped with the casing, shells inner wall be fixed with auto-lock board assorted ring gear.

Furthermore, canceling release mechanical system includes fixed plate and reset spring, the pinion rack is kept away from one side of clamp plate one end is fixed with the fixed plate, the fixed plate with be fixed with reset spring between the ring body inner wall.

Furthermore, the outer wall of the upper end of the second transmission shaft is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the elliptical plate, and the other end of the torsion spring is fixedly connected with the inner wall of the valve rod.

Furthermore, both sides of the first sliding groove are provided with limiting grooves, and both sides of the toothed plate are fixed with limiting bulges matched with the limiting grooves.

Furthermore, one end of the self-locking plate is arranged to be a triangular structure, and the other end of the self-locking plate is provided with an arc-shaped groove matched with the elliptical plate.

Furthermore, a flange plate is fixedly sleeved on the outer wall of the lower end of the shell.

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

1. the utility model discloses a set up ring body, valve rod, connecting rod, pinion rack, clamp plate, canceling release mechanical system, transmission shaft, gear, first bevel gear, second transmission shaft, elliptical plate, self-locking plate, compression spring, casing and ring gear, can utilize the elliptical plate to push the self-locking plate into the tooth's socket of ring gear to can realize the self-locking function of hand wheel, make the hand wheel difficult to take place to become flexible, and only need push down the clamp plate can freely rotate the hand wheel when needing to rotate the hand wheel, loosen the clamp plate and can realize the auto-lock, convenient operation;

2. the utility model has the advantages that by arranging the fixing plate and the reset spring, when the pressing plate is loosened, the toothed plate can be pushed outwards by the reset spring so as to realize the reset of the pressing plate;

3. the utility model has the advantages that by arranging the torsion spring, when the pressing plate is loosened, the torsion spring can reset so as to drive the second transmission shaft to rotate for resetting, and the toothed plate and the pressing plate can be driven to reset through the first transmission shaft;

4. the utility model discloses a set up spacing recess and spacing arch, can carry on spacingly to the pinion rack in the first spout for the pinion rack can be in the smooth slip of first spout.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a valve hand wheel with a self-locking function according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a valve hand wheel with a self-locking function according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a housing in a valve handwheel with self-locking according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a ring body in a valve hand wheel with a self-locking function according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of internal components of a valve handwheel with a self-locking function according to an embodiment of the present invention.

Reference numerals are as follows:

1. a ring body; 2. a valve stem; 3. a first chute; 4. a toothed plate; 5. pressing a plate; 6. a first bearing; 7. a first drive shaft; 8. a connecting rod; 9. a gear; 10. a first bevel gear; 11. a second bearing; 12. a second drive shaft; 13. a second bevel gear; 14. an elliptical plate; 15. a self-locking plate; 16. a compression spring; 17. a third bearing; 18. a housing; 19. a toothed ring; 20. a fixing plate; 21. a return spring; 22. a torsion spring; 23. a flange plate.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

example (b):

referring to fig. 1-5, a valve hand wheel with a self-locking function according to an embodiment of the present invention includes a ring body 1, a valve rod 2 is fixedly connected to the inside of the ring body 1 through three connecting rods 8, the upper end of the valve rod 2 is disposed to have a hemispherical structure, the upper end of the valve rod 2, the ring body 1 and the connecting rods 8 are all disposed to have a hollow structure, a first chute 3 is disposed at one side of the ring body 1, a toothed plate 4 is slidably disposed in the first chute 3, a pressing plate 5 is fixed at one end of the toothed plate 4, a reset mechanism is disposed at one end of the toothed plate 4 away from the pressing plate 5, a first bearing 6 is fixedly embedded in the middle of the connecting rod 8 near one side of the toothed plate 4, a first transmission shaft 7 is fixed in the first bearing 6, a gear 9 engaged with the toothed plate 4 is fixed at one end of the first transmission shaft 7, a first bevel gear 10 is disposed at the other end of the first transmission shaft 7, a second bearing 11 is fixed on the inner wall of the bottom end of the valve rod 2, a second transmission shaft 12 is fixed in the second bearing 11, a second bevel gear 13 matched with the first bevel gear 10 is fixed at the upper end of the second transmission shaft 12, an elliptical plate 14 is fixedly sleeved on the outer wall of the middle part of the second transmission shaft 12, a second sliding groove is formed in one side wall, close to the elliptical plate 14, of the valve rod 2, a self-locking plate 15 is arranged in the second sliding groove in a sliding manner, a compression spring 16 is sleeved on the outer wall of the self-locking plate 15, one end of the compression spring 16 is fixedly connected with the inner wall of the valve rod 2, the other end of the compression spring 16 is fixedly connected with the outer wall of the self-locking plate 15, a third bearing 17 is fixedly sleeved on the outer wall of the upper end of the valve rod 2, a shell 18 is fixedly sleeved on the outer wall of the third bearing 17, and a toothed ring 19 matched with the self-locking plate 15 is fixed on the inner wall of the shell 18, the self-locking plate 15 can be pushed into the tooth groove of the tooth ring 19 by utilizing the elliptical plate 14, so that the self-locking function of the hand wheel can be realized, the hand wheel is not easy to loosen, the hand wheel can be freely rotated only by pressing the pressing plate 5 when the hand wheel needs to be rotated, and the self-locking can be realized by loosening the pressing plate 5, so that the operation is convenient.

In a further embodiment, the reset mechanism includes a fixing plate 20 and a return spring 21, the fixing plate 20 is fixed to one side of the toothed plate 4 away from one end of the pressing plate 5, the return spring 21 is fixed between the fixing plate 20 and the inner wall of the ring body 1, so that when the pressing plate 5 is loosened, the toothed plate 4 can be pushed outwards by the return spring 21 to reset the pressing plate 5, and the first transmission shaft 7 and the second transmission shaft 12 can be driven to rotate to reset.

In a further embodiment, the outer wall of the upper end of the second transmission shaft 12 is sleeved with a torsion spring 22, one end of the torsion spring 22 is fixedly connected with the elliptical plate 14, the other end of the torsion spring 22 is fixedly connected with the inner wall of the valve rod 2, and when the pressing plate 5 is loosened, the torsion spring 22 can automatically reset so as to drive the second transmission shaft 12 to rotate and reset, and thus the toothed plate 4 and the pressing plate 5 can be driven to reset through the first transmission shaft 7.

In a further embodiment, limiting grooves are formed in two sides of the first sliding groove 3, and limiting protrusions matched with the limiting grooves are fixed on two sides of the toothed plate 4, so that the toothed plate 4 in the first sliding groove can be limited, and the toothed plate 4 can stably slide in the first sliding groove 3.

In a further embodiment, one end of the self-locking plate 15 is arranged in a triangular structure, and the other end of the self-locking plate 15 is provided with an arc-shaped groove matched with the elliptical plate 14, so that one end of the self-locking plate 15 can be attached to the tooth groove of the toothed ring 19, and the other end of the self-locking plate 15 can be attached to the end of the long axis of the elliptical plate 14.

In a further embodiment, a flange 23 is fixedly sleeved on the outer wall of the lower end of the housing 18, wherein the flange 23 can facilitate fixedly connecting the housing 18 and the valve together.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the housing 18 is fixedly connected with the housing of the valve through a bolt, when a hand wheel needs to be rotated, two hands hold the ring body 1, one hand presses the pressing plate 5, the pressing plate 5 is attached to the outer wall of the ring body 1, so that the toothed plate 4 can be pushed towards the inside of the ring body 1, the toothed plate 4 can drive the gear 9 to rotate ninety degrees, the gear 9 further drives the first transmission shaft 7 and the first bevel gear 10 to rotate ninety degrees, the first bevel gear 10 further drives the second bevel gear 13 and the second transmission shaft 12 to rotate ninety degrees, so that the elliptical plate 14 on the outer wall of the second transmission shaft 12 can be driven to rotate ninety degrees, the self-locking plate 15 can be pushed towards the inside of the valve rod 2 under the action of the compression spring 16, the self-locking plate 15 is attached to the short shaft end of the elliptical plate 14, the self-locking plate 15 is separated from the toothed ring 19, so that the valve rod 2 can be freely rotated through the ring body 1, when loosening clamp plate 5, can drive clamp plate 5 and pinion rack 4 and reset under reset spring 21 and torsion spring 22's combined action, simultaneously, first transmission shaft 7 and second transmission shaft 12 reverse ninety degrees and advance and also reset to can drive oval plate 14 reverse ninety degrees, make the major axis tip of oval plate 14 push into in the tooth's socket of ring gear 19 from jam plate 15 top, make valve rod 2 can not rotate, thereby realize the auto-lock, convenient operation is swift.

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. The valve hand wheel with the self-locking function is characterized by comprising a ring body (1), wherein the ring body (1) is internally and fixedly connected with valve rods (2) through three connecting rods (8) in quantity, the upper ends of the valve rods (2) are arranged to be of a hemispherical structure, the upper ends of the valve rods (2), the ring body (1) and the connecting rods (8) are all arranged to be of a hollow structure, one side of the ring body (1) is provided with a first sliding groove (3), a toothed plate (4) is arranged in the first sliding groove (3) in a sliding manner, one end of the toothed plate (4) is fixed with a pressing plate (5), one end of the toothed plate (4), far away from the pressing plate (5), is provided with a reset mechanism, a first bearing (6) is fixedly embedded in the middle of the connecting rod (8) close to one side of the toothed plate (4), a first transmission shaft (7) is fixed in the first bearing (6), one end of the first transmission shaft (7) is fixed with a gear (9) meshed with the toothed plate (4), the other end of the first transmission shaft (7) is provided with a first bevel gear (10), the inner wall of the bottom end of the valve rod (2) is fixed with a second bearing (11), a second transmission shaft (12) is fixed in the second bearing (11), the upper end of the second transmission shaft (12) is fixed with a second bevel gear (13) matched with the first bevel gear (10), the outer wall of the middle part of the second transmission shaft (12) is fixedly sleeved with an elliptical plate (14), one side wall of the valve rod (2) close to the elliptical plate (14) is provided with a second sliding groove, a self-locking plate (15) is arranged in the second sliding groove in a sliding manner, the outer wall of the self-locking plate (15) is sleeved with a compression spring (16), one end of the compression spring (16) is fixedly connected with the inner wall of the valve rod (2), and the other end of the compression spring (16) is fixedly connected with the outer wall of the self-locking plate (15), valve rod (2) upper end outer wall is fixed to be equipped with third bearing (17) by the cover, the fixed cover of third bearing (17) outer wall is equipped with casing (18), casing (18) inner wall be fixed with from jam plate (15) assorted ring gear (19).

2. The valve handwheel with the self-locking function according to claim 1, wherein the reset mechanism comprises a fixing plate (20) and a reset spring (21), the fixing plate (20) is fixed on one side of the toothed plate (4) far away from one end of the pressure plate (5), and the reset spring (21) is fixed between the fixing plate (20) and the inner wall of the ring body (1).

3. The valve handwheel with the self-locking function according to claim 1, wherein a torsion spring (22) is sleeved on the outer wall of the upper end of the second transmission shaft (12), one end of the torsion spring (22) is fixedly connected with the elliptical plate (14), and the other end of the torsion spring (22) is fixedly connected with the inner wall of the valve rod (2).

4. The valve hand wheel with the self-locking function according to claim 1, wherein two sides of the first sliding groove (3) are both provided with a limiting groove, and two sides of the toothed plate (4) are both fixed with a limiting protrusion matched with the limiting groove.

5. The valve hand wheel with the self-locking function according to claim 1, wherein one end of the self-locking plate (15) is arranged in a triangular structure, and the other end of the self-locking plate (15) is provided with an arc-shaped groove matched with the elliptical plate (14).

6. The valve handle with the self-locking function according to claim 1, wherein a flange (23) is fixedly sleeved on the outer wall of the lower end of the shell (18).