CN214579247U

CN214579247U - Drainage valve

Info

Publication number: CN214579247U
Application number: CN202120698505.5U
Authority: CN
Inventors: 苏根行
Original assignee: Yuhuan County Feilong Valve Factory
Current assignee: Yuhuan County Feilong Valve Factory
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-02
Anticipated expiration: 2031-04-06

Abstract

The utility model provides a drainage valve belongs to valve technical field. It has solved the current not good and easy problem that appears leaking of adjusting the effect. This drainage valve, including valve body, adjusting valve clack and the valve rod that has water inlet and delivery port, and the upper end of valve rod is provided with the hand wheel, and the valve body is located to be provided with on the internal perisporium of adjusting valve clack one side rather than linking firmly and being used for strengthening the sealed unit of effect mutually, and the valve body is located to be provided with on the periphery wall of sealed unit end rather than linking firmly and being used for the adjusting part that the adjusting valve rod opened and close mutually, be provided with on the valve body with adjusting part is connected and makes the coupling assembling of sealed unit along with the adjusting part removal. The utility model has the advantages of adjust effectual and the leakproofness is good.

Description

Drainage valve

Technical Field

The utility model belongs to the technical field of the valve, a drainage valve is related to.

Background

The drainage valve is an indispensable water industry product, is mainly applied to the fields of water supply and drainage engineering, industrial and domestic sewage treatment, hydraulic engineering and the like of cities, buildings and enterprises, and mainly comprises various medium-low pressure valves with more applications. The device is mainly used for discharging liquid or controlling liquid level.

The existing drainage valve structure is not comprehensive in adjusting effect, poor in water quantity adjusting effect, too large or too small in water discharge quantity, inconvenient in water quantity adjustment of the drainage valve, and easy to wear and leak to cause adverse effects when the sealing effect is adjusted for multiple times.

Disclosure of Invention

The utility model aims at providing a to the above-mentioned problem that exists among the prior art, provide one kind and adjust effectual and be convenient for adjust, sealed effectual drainage valve.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a drainage valve, is including valve body, adjusting valve clack and the valve rod that has water inlet and delivery port, and the upper end of valve rod is provided with the hand wheel, its characterized in that, the valve body be located the sealed unit that links firmly rather than linking firmly and be used for strengthening sealed effect mutually on the internal perisporium of adjusting valve clack one side, the valve body is located and is provided with rather than linking firmly the adjusting part who just is used for adjusting the valve rod to open and close rather than on the periphery wall of sealed unit end, be provided with on the valve body with the adjusting part be connected and make the connecting assembling that sealed unit removed along with the adjusting part.

In a foretell drain valve, the seal unit constitute by spacing ring, buffer spring and the seal ring cover that from left to right sets gradually, buffer spring's both ends respectively with spacing ring and seal ring cover are inconsistent to through buffer spring with the seal ring cover with the regulation valve clack is inconsistent, the spacing ring with the valve body inner wall links firmly mutually to be used for restricting buffer spring's position through the spacing ring.

In the above-mentioned drain valve, a sealing ring gasket fixedly connected with the sealing ring sleeve and used for enhancing the sealing effect is arranged between the sealing ring sleeve and the regulating valve clack.

In foretell drain valve, adjusting part constitute by driving motor, lead screw unit, adjusting rack and two mount sleeve seats, two the mount sleeve seat all overlaps and locates on the valve body, and be located the both ends of valve rod, the lead screw unit set up in one side of valve rod, and the both ends of lead screw unit respectively with the mount sleeve seat links firmly mutually, driving motor set up on one of them mount sleeve seat and with the lead screw unit cooperatees and connects, adjusting rack set up in on the lead screw unit to through its axial round trip movement of this lead screw unit drive.

In the drainage valve, the outer peripheral wall of the hand wheel is provided with outer teeth which are meshed with the adjusting rack for transmission.

In a foretell drain valve, coupling assembling constitute by closing plate, connecting rod and connecting strip, the valve body be located the terminal surface of upper end on offer along its length direction setting and supply closing plate slidable mounting's installation notch, the valve body be located the periphery wall of installation notch and seted up and run through the installation notch, and make the valve body inside and outside be linked together to supply the connecting rod to pass the activity strip hole of installation, the connecting rod stretch into in the valve body and wear into through activity strip hole in the sealing ring cover and link firmly rather than mutually, the one end terminal surface of connecting strip on set up the through-hole that supplies the connecting rod to pass the installation, and the other end of connecting strip with the regulation rack is connected.

In the above drainage valve, the opening of the valve body at the mounting notch is provided with a sealing block fixedly connected with the valve body for sealing the opening.

In the above drain valve, the sealing plates are provided with sealing rings for enhancing sealing performance on the end surfaces of the sealing plates located at the outer edges of the two end surfaces.

In the above-mentioned drain valve, the lower tip of regulation rack be provided with the extension portion of axial downwardly extending, the extension portion on set up the breach portion that supplies the connecting strip installation, the cross-section of connecting strip be the L shape.

Compared with the prior art, this drain valve has following advantage:

1. the valve body is located and is provided with the sealed unit who links firmly rather than mutually and be used for strengthening sealed effect on the internal perisporium of adjusting valve clack one side, and the valve body is located and is provided with rather than linking firmly and be used for the adjusting valve rod to open and close the adjusting part who links firmly mutually on the periphery wall of sealed unit end, be provided with on the valve body with the adjusting part is connected and makes the sealed unit along with the coupling assembling of adjusting part removal, and the setting of above-mentioned structure improves the regulation precision, increases its inside leakproofness simultaneously, prevents its leakage, causes not good influence.

Drawings

Fig. 1 is a schematic perspective view of the drain valve.

Fig. 2 is a schematic view showing the construction of the regulating member in the present drain valve.

Fig. 3 is a schematic structural view of a connecting member in the present drain valve.

Fig. 4 is a schematic structural view of a sealing unit in the present drain valve.

In the figure, 1, a valve body; 2. a valve stem; 3. a sealing unit; 4. an adjustment assembly; 5. a connecting assembly; 6. a limiting ring; 7. a buffer spring; 8. sealing the ring sleeve; 9. a sealing ring gasket; 10. a drive motor; 11. a screw unit; 12. adjusting the rack; 13. installing a sleeve seat; 14. a sealing plate; 15. a connecting rod; 16. a connecting strip; 17. installing a notch; 18. a movable strip hole; 19. a through hole; 20. a sealing block; 22. an extension part; 23. a notch portion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1, 2, 3 and 4, the drainage valve comprises a valve body 1 with a water inlet and a water outlet, an adjusting valve clack and a valve rod 2, wherein the upper end of the valve rod 2 positioned outside the valve body 1 is provided with a hand wheel convenient for adjusting the adjusting valve clack, the adjusting valve clack is arranged in the valve body 1 and is contacted with the valve body, the peripheral wall of the valve body 1 positioned at the valve rod 2 is provided with a reinforcing rib structure with enhanced structural stability and is used for adjusting the opening size of the adjusting valve clack through the valve rod 2, the inner peripheral wall of the valve body 1 positioned at one side of the adjusting valve clack is provided with a sealing unit 3 fixedly connected with the valve body and used for enhancing the sealing effect, the sealing unit 3 can be pushed outwards by the adjusting valve clack, the peripheral wall of the valve body 1 positioned at the end of the sealing unit 3 is provided with an adjusting component 4 fixedly connected with the adjusting component 4 and used for adjusting the opening and closing of the valve rod 2, the valve body 1 is provided with a connecting component 5 which is connected with the adjusting component 4 and enables the sealing unit 3 to move along with the adjusting component 4, the sealing unit 3 is composed of a limiting ring 6, a buffer spring 7 and a sealing ring sleeve 8 which are sequentially arranged from left to right, two ends of the buffer spring 7 are respectively abutted and fixedly connected with the limiting ring 6 and the sealing ring sleeve 8, the sealing ring sleeve 8 is abutted and contacted with the regulating valve clack through the buffer spring 7, the limiting ring 6 is fixedly connected with the inner wall of the valve body 1 and is used for limiting the position of the buffer spring 7 through the limiting ring 6, the regulating component 4 is composed of a driving motor 10, a screw rod unit 11, a regulating rack 12 and two mounting sleeve seats 13, the two mounting sleeve seats 13 are both sleeved on the valve body 1 and are positioned at two ends of the valve rod 2, the screw rod unit 11 is arranged at one side of the valve rod 2, two ends of the screw rod unit 11 are respectively fixedly connected with the mounting sleeve seats 13, the driving motor 10 is arranged on one of the mounting sleeve seats 13 and is matched and connected with the screw rod unit 11, the driving motor 10 drives the screw rod unit 11 to move, the mounting seat is sleeved on the upper end of the inner side and is provided with an assembling plate fixedly connected with the mounting seat and used for mounting the driving motor 10, the adjusting rack 12 is arranged on the screw rod unit 11 and fixedly connected with the screw rod unit 11 and is driven to axially move back and forth by the screw rod unit 11, the screw rod unit 11 consists of a mounting seat, a screw rod and a nut seat, the adjusting rack 12 is arranged on the nut seat, the outer peripheral wall of a hand wheel is provided with external teeth meshed with the adjusting rack 12 for transmission, the connecting assembly 5 consists of a sealing plate 14, a connecting rod 15 and a connecting strip 16, the end surface of the valve body 1 at the upper end is provided with a mounting notch 17 arranged along the length direction and used for the sliding mounting of the sealing plate 14, the mounting notch 17 is arc-shaped, the peripheral wall of the valve body 1 at the mounting notch 17 is provided with the mounting notch 17 and the valve body 1 is communicated with the inside and the outside, the connecting rod 15 penetrates through a movable strip hole 18, the length of the movable strip hole 18 is smaller than that of the sealing plate 14, the width of the movable strip hole 18 is smaller than that of the sealing plate 14, the connecting rod 15 extends into the valve body 1 through the movable strip hole 18 and penetrates into the rear end of the sealing ring sleeve 8 and is fixedly connected with the sealing ring sleeve, the lower end of the connecting rod 15 preferably penetrates into the lower end of the sealing ring sleeve 8, a through hole 19 for the connecting rod 15 to penetrate through is formed in the end face of one end of the connecting rod 16, and the other end of the connecting rod 16 is connected with the adjusting rack 12.

In order to enhance the sealing performance after the fitting and prevent the opening from being abraded due to collision, a sealing ring gasket 9 which is fixedly connected with the sealing ring sleeve 8 and used for enhancing the sealing effect is arranged between the sealing ring sleeve 8 and the adjusting valve clack.

In order to improve the sealing effect, a sealing block 20 fixedly connected with the opening of the valve body 1 at the mounting notch 17 is arranged at the opening, and sealing rings for enhancing the sealing performance are arranged on the end faces of the sealing plate 14 at the outer edges of the two end faces.

To put it more concretely, in order to facilitate the assembly of the connecting strip 16 and ensure the structural stability after the assembly, the lower end of the adjusting rack 12 is provided with an extending portion 22 extending downward in the axial direction, the extending portion 22 is provided with a notch portion 23 for the connecting strip 16 to be mounted, the position of the connecting strip 16 is adjusted through the notch portion 23, and the cross section of the connecting strip 16 is L-shaped.

When the driving motor 10 drives the screw rod unit 11 to work, the adjusting rack 12 moves along with the screw rod unit 11, the adjusting valve clack is driven to open through meshing with a hand wheel, meanwhile, the adjusting rack 12 synchronously drives the connecting rod 15 and the sealing ring sleeve 8 to move backwards, the sealing ring sleeve 8 is prevented from influencing the opening of the adjusting valve clack, and the sealing performance inside the valve body 1 can be improved after the adjusting valve clack is closed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a drainage valve, is including valve body (1), adjusting valve clack and valve rod (2) that have water inlet and delivery port, and the upper end of valve rod (2) is provided with the hand wheel, a serial communication port, valve body (1) be located and be provided with rather than linking firmly mutually and be used for strengthening sealed unit (3) of sealed effect on the internal perisporium of adjusting valve clack one side, valve body (1) be located be provided with rather than link firmly mutually and be used for adjusting valve rod (2) adjusting part (4) of opening and close on the periphery wall of sealed unit (3) end, be provided with on valve body (1) with adjusting part (4) be connected and make sealed unit (3) along with coupling assembling (5) that adjusting part (4) removed.

2. A water discharge valve according to claim 1, characterized in that said sealing unit (3) comprises a spacing ring (6), a buffer spring (7) and a sealing ring sleeve (8) arranged in sequence from left to right, both ends of said buffer spring (7) are respectively abutted against said spacing ring (6) and said sealing ring sleeve (8), and said sealing ring sleeve (8) is abutted against said adjusting valve flap through said buffer spring (7), said spacing ring (6) is fixedly connected with the inner wall of said valve body (1), and is used for limiting the position of said buffer spring (7) through said spacing ring (6).

3. A drain valve according to claim 2, characterized in that a sealing ring gasket (9) is arranged between the sealing ring sleeve (8) and the regulating flap, which sealing ring gasket is fixedly connected with the sealing ring sleeve (8) and used for enhancing the sealing effect.

4. The drain valve according to claim 1, wherein the adjusting assembly (4) comprises a driving motor (10), a screw rod unit (11), an adjusting rack (12) and two mounting sleeve seats (13), the two mounting sleeve seats (13) are respectively sleeved on the valve body (1) and located at two ends of the valve rod (2), the screw rod unit (11) is arranged at one side of the valve rod (2), two ends of the screw rod unit (11) are respectively and fixedly connected with the mounting sleeve seats (13), the driving motor (10) is arranged on one of the mounting sleeve seats (13) and is matched and connected with the screw rod unit (11), and the adjusting rack (12) is arranged on the screw rod unit (11) and drives the screw rod unit (11) to axially move back and forth.

5. The drain valve according to claim 4, characterized in that the outer peripheral wall of the hand wheel is provided with outer teeth which are meshed with the adjusting rack (12) for transmission.

6. The drain valve according to claim 4, wherein the connecting member (5) comprises a sealing plate (14), a connecting rod (15) and a connecting strip (16), the end surface of the upper end of the valve body (1) is provided with an installation notch (17) which is arranged along the length direction of the valve body and is used for the sliding installation of the sealing plate (14), the peripheral wall of the installation notch (17) of the valve body (1) is provided with a movable strip hole (18) which penetrates through the installation notch (17) and is used for communicating the inside and the outside of the valve body (1) and allowing the connecting rod (15) to pass through the installation, the connecting rod (15) extends into the valve body (1) through the movable strip hole (18) and penetrates into the sealing ring sleeve (8) and is fixedly connected with the sealing ring sleeve, the end surface of one end of the connecting strip (16) is provided with a through hole (19) through which the connecting rod (15) passes through the installation, and the other end of the connecting strip (16) is connected with the adjusting rack (12).

7. A drain valve according to claim 6, characterized in that the valve body (1) is provided with a sealing block (20) attached thereto at the opening of the mounting slot (17) for sealing the opening.

8. A drain valve according to claim 6, characterized in that the sealing plate (14) is provided with sealing rings on the end faces at the outer edges of the two end faces for enhancing the sealing performance.

9. The drain valve according to claim 6, wherein the lower end of the adjusting rack (12) is provided with an extension part (22) extending downwards in the axial direction, the extension part (22) is provided with a notch part (23) for installing the connecting strip (16), and the cross section of the connecting strip (16) is L-shaped.