CN213575854U

CN213575854U - Start and stop device of power-assisted manual stop valve

Info

Publication number: CN213575854U
Application number: CN202022427500.7U
Authority: CN
Inventors: 曲强
Original assignee: Suzhou Ruidun Machinery Co ltd
Current assignee: Suzhou Ruidun Machinery Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-29
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a start and stop device of power-assisted manual stop valve relates to manual stop valve technical field, is difficult to close and open the problem when meetting too high water pressure for the supplementary manual stop valve of ordinary power who solves among the prior art. The utility model discloses a take the internal installation of closing device, including the connecting axle, the connecting axle has a connecting axle, and connecting axle and closing device fixed connection, drive gear is installed to the below of connecting axle, and drive gear and connecting axle fixed connection, the inside of closing device is provided with the internal tooth shell, the below of closing device is provided with the support, and the support sets up structure as an organic whole with the closing device, the internally mounted of support has the quill shaft, and the quill shaft is connected with the rotate bracket, drive gear is connected with the quill shaft interlock, the inboard of taking the internal tooth shell is provided with the pinion, all be connected with the pinion interlock in taking internal tooth shell and drive gear, the connecting rod is installed to the below of taking the internal tooth shell, the connecting seat is.

Description

Start and stop device of power-assisted manual stop valve

Technical Field

The utility model relates to a manual stop valve technical field specifically is power assisted manual stop valve's start and stop device.

Background

The axis of the valve rod of the manual stop valve is vertical to the sealing surface of the valve seat. The valve is very suitable for being used for cutting off or adjusting and throttling media, the valve is generally horizontally installed in a pipeline, once the stop valve is in an open state, the valve seat and the valve clack sealing surface of the stop valve are not in contact any more, so the mechanical abrasion of the sealing surface of the stop valve is small, the valve seat and the valve clack of most stop valves are easy to repair or replace the sealing element, the whole valve is not required to be detached from the pipeline, the valve is very suitable for the occasion that the valve and the pipeline are welded into a whole, and the flow direction of the media passing through the valve is changed, so the flow resistance of the stop valve is higher than that of other valves.

The manual stop valve is arranged between pipelines and used for intercepting water, but when the water pressure is too high or rust appears in the valve body, the common power-assisted manual stop valve is difficult to close and open and is inconvenient to use; therefore, the market urgently needs to develop a starting and closing device of the power-assisted manual stop valve to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a start and stop device of power-assisted manual stop valve to the problem that is difficult to close and open when the ordinary power-assisted manual stop valve that provides meets too high water pressure among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme: the start-stop device of the power-assisted manual stop valve comprises a valve body and a start-stop device, wherein a connecting shaft is arranged in the start-stop device, and the connecting shaft is fixedly connected with the opening and closing device, a driving gear is arranged below the connecting shaft and is fixedly connected with the connecting shaft, the inside of the starting and closing device is provided with a shell with internal teeth, a bracket is arranged below the starting and closing device, the bracket and the opening and closing device are arranged into an integral structure, a hollow shaft is arranged in the bracket and is rotationally connected with the bracket, the driving gear is meshed with the hollow shaft, a pinion is arranged on the inner side of the shell with the internal teeth, the outer shell with the internal teeth and the driving gear are meshed and connected with the pinion, a connecting rod is arranged below the outer shell with the internal teeth, the connecting seat is installed to one side of connecting rod, all with connecting rod welded connection of in-band tooth shell and connecting seat.

Preferably, a shaft sleeve is installed above the opening and closing device and fixedly connected with the opening and closing device, the shaft sleeve is rotatably connected with the connecting shaft, a shaft sleeve cover is installed above the shaft sleeve and fixedly connected with the shaft sleeve, and the shaft sleeve cover is rotatably connected with the connecting shaft.

Preferably, the inside of axle sleeve is provided with the lift seat, the lift seat rotates with the connecting axle to be connected, the top of axle sleeve lid is installed and is played and close the screw rod, it rotates with the axle sleeve lid to play to close the screw rod and is connected, it closes screw rod and lift seat threaded connection to play.

Preferably, the internally mounted of valve body has the rod cover, and rod cover and valve body fixed connection, the internally mounted of rod cover has the valve rod, and valve rod and rod cover threaded connection, quill shaft and valve rod sliding connection, the outside of valve rod is provided with the card leg, and blocks the leg and set up structure as an organic whole with the valve rod, the card leg is connected with the quill shaft interlock.

Preferably, a hand wheel is installed above the connecting shaft and is fixedly connected with the connecting shaft, and the valve body is fixedly connected with the support.

Preferably, one side of the valve body is provided with a water inlet pipe, the other side of the valve body is provided with a water outlet pipe, the water inlet pipe and the water outlet pipe are both integrated with the valve body, a valve core is installed below the valve rod, and the valve core is rotatably connected with the valve rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting through the device that opens and shuts, the inside of opening and shutting device is provided with quill shaft and in-band tooth shell respectively, under the normal condition, the quill shaft can directly order about the rotation through the drive gear of connecting axle, thereby realize rotating the valve rod and make the case descend or rise, when water pressure is too high, perhaps when rust mark case appears in the inside of valve body and hardly removes, can rise drive gear and the inside pinion interlock of in-band tooth shell, thereby rotate the quill shaft through in-band tooth shell, effect through slowing down, increase the moment of torsion, thereby improve the pressure to the case, thereby play auxiliary power's effect, make the case remove under higher pressure, thereby even too high at water pressure, when the inside rust mark of valve body hinders the case, the case still can work, thereby can close or open the stop valve.

2. The utility model discloses a through the setting of case, the valve body is provided with inlet tube and outlet pipe, and can plug up through the passageway between inlet tube and the valve body of case, can plug up the passageway between outlet pipe and the valve body again simultaneously to realize the effect that both ends were dams respectively, when damming inlet tube one end, the water pipe channel of outlet pipe department still can use, when damming outlet pipe one end, the water pipe channel of inlet tube department also can use equally, thereby make this stop valve use more convenience.

Drawings

FIG. 1 is a front view of the opening and closing device of the power-assisted manual stop valve of the present invention;

fig. 2 is a cross-sectional view of the opening and closing device of the power-assisted manual stop valve of the present invention;

fig. 3 is a cross-sectional view of the opening and closing device of the present invention;

fig. 4 is a cross-sectional view of the hollow shaft of the present invention from above;

fig. 5 is a top view of the housing with internal teeth according to the present invention.

In the figure: 1. a valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a rod sleeve; 5. a valve stem; 6. a hollow shaft; 7. a support; 8. a starting and closing device; 9. a shaft sleeve; 10. a shaft sleeve cover; 11. a connecting shaft; 12. a hand wheel; 13. a valve core; 14. clamping legs; 15. opening and closing the screw rod; 16. a lifting seat; 17. a shell with internal teeth; 18. a connecting rod; 19. a connecting seat; 20. a drive gear; 21. a pinion gear.

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.

Referring to fig. 1-5, the present invention provides an embodiment: the start and stop device of the power-assisted manual stop valve comprises a valve body 1 and a start and stop device 8, a connecting shaft 11 is arranged inside the start and stop device 8, the connecting shaft 11 is fixedly connected with the start and stop device 8, a driving gear 20 is arranged below the connecting shaft 11, the driving gear 20 is fixedly connected with the connecting shaft 11, an inner gear shell 17 is arranged inside the start and stop device 8, a bracket 7 is arranged below the start and stop device 8, the bracket 7 and the start and stop device 8 are arranged into an integral structure, a hollow shaft 6 is arranged inside the bracket 7, the hollow shaft 6 is rotatably connected with the bracket 7, the driving gear 20 is connected with the hollow shaft 6 in an occlusion way, a pinion 21 is arranged on the inner side of the inner gear shell 17, the inner gear shell 17 and the driving gear 20 are connected with the pinion 21 in an occlusion way, a connecting rod 18 is arranged below the inner gear shell, the shell 17 with the internal teeth and the connecting seat 19 are connected with the connecting rod 18 in a welding mode.

Further, a shaft sleeve 9 is installed above the opening and closing device 8, the shaft sleeve 9 is fixedly connected with the opening and closing device 8, the shaft sleeve 9 is rotatably connected with the connecting shaft 11, a shaft sleeve cover 10 is installed above the shaft sleeve 9, the shaft sleeve cover 10 is fixedly connected with the shaft sleeve 9, the shaft sleeve cover 10 is rotatably connected with the connecting shaft 11, two connecting rods 18 are arranged, and a connecting rod is arranged between the pinion 21 and the shaft sleeve 9 and used for fixing the pinion 21.

Further, a lifting seat 16 is arranged inside the shaft sleeve 9, the lifting seat 16 is rotatably connected with the connecting shaft 11, a lifting screw 15 is installed above the shaft sleeve cover 10, the lifting screw 15 is rotatably connected with the shaft sleeve cover 10, the lifting screw 15 is in threaded connection with the lifting seat 16, an annular groove is formed in the outer side of the connecting shaft 11, the lifting seat 16 is meshed with the annular groove of the connecting shaft 11, and the height of the connecting shaft 11 can be raised or lowered through the lifting seat 16.

Further, the internally mounted of valve body 1 has rod cover 4, and rod cover 4 and valve body 1 fixed connection, the internally mounted of rod cover 4 has valve rod 5, and

valve rod

5 and 4 threaded connection of rod cover, quill shaft 6 and valve rod 5 sliding connection, the outside of valve rod 5 is provided with card leg 14, and card leg 14 sets up structure as an organic whole with valve rod 5, card leg 14 and quill shaft 6 interlock are connected, quill shaft 6 accessible card leg 14 drives valve rod 5 and rotates.

Furthermore, a hand wheel 12 is arranged above the connecting shaft 11, the hand wheel 12 is fixedly connected with the connecting shaft 11, the valve body 1 is fixedly connected with the support 7, and the connecting shaft 11 can be driven to rotate through the hand wheel 12.

Further, one side of valve body 1 is provided with inlet tube 2, and the opposite side of valve body 1 is provided with outlet pipe 3, and inlet tube 2 and outlet pipe 3 all set up structure as an organic whole with valve body 1, and case 13 is installed to the below of valve rod 5, and case 13 rotates with valve rod 5 to be connected, and inlet tube 2 and outlet pipe 3 can replace the use each other.

The working principle is as follows: when the water shutoff valve is used, the water inlet pipe 2 and the water outlet pipe 3 can be connected with a water delivery end, the valve body 1 is installed between water pipes, the valve body 1 is in an open state under normal conditions, when the shutoff is needed, the water pressure is not high, the lifting seat 16 descends by rotating the lifting screw 15, the connecting shaft 11 is driven to descend, the driving gear 20 below the connecting shaft 11 is meshed with the hollow shaft 6, then the connecting shaft 11 rotates through the hand wheel 12, the connecting shaft 11 drives the valve rod 5 to rotate, the valve rod 5 is meshed with the screw thread of the rod sleeve 4 by rotating the valve rod 5 and moves downwards, the valve core 13 is pushed to move downwards, the valve core 13 blocks a channel between the water inlet pipe 2 or the water outlet pipe 3 and the valve body 1, the shutoff effect is realized, when the water pressure is too high, the lifting screw 15 is also rotated, the lifting seat 16 ascends and drives the connecting shaft 11 to ascend, and the driving gear 20 of the connecting shaft, then the connecting shaft 11 is rotated through the hand wheel 12, so that the driving gear 20 drives the shell 17 with the internal teeth to rotate through the pinion 21, the shell 17 with the internal teeth drives the connecting seat 19 to rotate through the connecting rod 18, the connecting seat 19 drives the hollow shaft 6 to rotate, then the hollow shaft 6 drives the valve rod 5 to rotate, the valve core 13 descends, and the effect of intercepting is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The start-stop device of the power-assisted manual stop valve comprises a valve body (1) and a start-stop device (8), and is characterized in that: the inner side of the outer shell (17) with the internal teeth is provided with a pinion (21), the outer shell (17) with the drive gear (20) and the drive gear (20) are connected with the pinion (21) in an engaged manner, connecting rod (18) are installed to the below of in-band tooth shell (17), connecting seat (19) are installed to one side of connecting rod (18), all with connecting rod (18) welded connection in-band tooth shell (17) and connecting seat (19).

2. The opening and closing apparatus of a power-assisted manual cut-off valve according to claim 1, characterized in that: the novel electric door lock is characterized in that a shaft sleeve (9) is installed above the opening and closing device (8), the shaft sleeve (9) is fixedly connected with the opening and closing device (8), the shaft sleeve (9) is rotatably connected with a connecting shaft (11), a shaft sleeve cover (10) is installed above the shaft sleeve (9), the shaft sleeve cover (10) is fixedly connected with the shaft sleeve (9), and the shaft sleeve cover (10) is rotatably connected with the connecting shaft (11).

3. The opening and closing apparatus of a power-assisted manual shut-off valve according to claim 2, characterized in that: the inside of axle sleeve (9) is provided with lift seat (16), lift seat (16) rotate with connecting axle (11) and are connected, the top of axle sleeve lid (10) is installed and is played and close screw rod (15), it is connected with axle sleeve lid (10) rotation to play to close screw rod (15), play to close screw rod (15) and lift seat (16) threaded connection.

4. The opening and closing apparatus of a power-assisted manual cut-off valve according to claim 1, characterized in that: the utility model discloses a valve, including valve body (1), valve rod sleeve (5), hollow shaft (6), valve rod (5), card leg (14), and card leg (14) and valve rod (5) set up structure as an organic whole, card leg (14) and hollow shaft (6) interlock are connected, the internally mounted of valve body (1) has rod sleeve (4), and rod sleeve (4) and valve body (1) fixed connection, the internally mounted of rod sleeve (4) has valve rod (5), and valve rod (5) and rod sleeve (4) threaded connection, hollow shaft (6) and valve rod (5) sliding connection, the outside of valve rod (5) is provided with card leg (14), and.

5. The opening and closing apparatus of a power-assisted manual cut-off valve according to claim 1, characterized in that: a hand wheel (12) is installed above the connecting shaft (11), the hand wheel (12) is fixedly connected with the connecting shaft (11), and the valve body (1) is fixedly connected with the support (7).

6. The opening and closing apparatus of the power-assisted manual cut-off valve according to claim 4, characterized in that: one side of the valve body (1) is provided with a water inlet pipe (2), the other side of the valve body (1) is provided with a water outlet pipe (3), the water inlet pipe (2) and the water outlet pipe (3) are both arranged into an integral structure with the valve body (1), a valve core (13) is installed below the valve rod (5), and the valve core (13) is rotatably connected with the valve rod (5).