CN220037490U - Valve structure - Google Patents

Abstract

The utility model discloses a valve structure, which comprises a valve main body, wherein a threaded joint is arranged at the top of the valve main body, an upper cover is arranged at the top of the valve main body through the threaded joint, an upper main rotating body is movably arranged at the inner side of the upper cover, a lower main rotating body is movably arranged at the inner side of the upper main rotating body, a second self-tapping screw is arranged at the bottom wall of the lower main rotating body through threads, a flashboard is arranged at the bottom end of the lower main rotating body through the second self-tapping screw, a flashboard seal is arranged at the outer side of the flashboard, and the flashboard seal is tightly attached to the inner side of the valve main body. According to the utility model, the flashboard seal is arranged, the flashboard seal is prepared by adopting hard plastic and soft plastic according to a certain proportion and is used for the flashboard seal, the outer part of the flashboard seal, which is in contact with the valve main body, is arranged as the inner part of the soft plastic, and after the flashboard seal is continuously subjected to downward force, the soft plastic is deformed and expanded under the stress, and then the valve sealing effect is realized by utilizing the accumulation effect of plastic deformation and expansion.

Description

Valve structure

Technical Field

The utility model relates to the technical field of urban water supply equipment in mountain areas, in particular to a valve structure.

Background

The water supply system is an important infrastructure of mountain towns, but because of mountain topography reasons, the setting up of the water supply facility is troublesome, and the requirement on water supply pressure is bigger in mountain topography, and the requirement on quality or service life of water supply equipment is higher.

Patent document CN216479181U discloses a "length-adjustable valve, and it is difficult to solve current valve installation, maintenance and dismantlement, and the problem that easily causes flange seal gasket to damage in the installation. This adjustable valve of length is through setting up the bulge loop platform on the link of valve body to sealing installation adjusting flange on the bulge loop bench, simultaneously with adjusting flange and the link detachably of valve body be connected, and set up adjusting gasket between the link of valve body and adjusting flange's link, consequently through increasing or reducing adjusting gasket's quantity, can change the terminal surface of valve body link and the distance H between the terminal surface of adjusting flange link, thereby realize valve length L's regulation, avoid the valve to receive the restriction of reserved installation space length, make things convenient for the installation and the dismantlement of valve, and do not harm sealing gasket, do benefit to the daily maintenance to the valve, the embarrassment "that the valve that current valve especially RTJ annular is connected is difficult to dismantle the maintenance has been improved, traditional valve adopts column or globular structure, closure effect to water supply equipment is poor after long-time use.

Disclosure of Invention

The utility model aims to provide a valve structure to solve the technical problem that a traditional valve in the prior art adopts a columnar or spherical structure and has poor sealing effect on water supply equipment after long-time use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a valve structure, includes the valve main part, screwed joint is installed at the top of valve main part, the upper cover is installed through screwed joint at the top of valve main part, the inboard movable mounting of upper cover has the main body of turning, the inboard of going up the main body of turning is through movable mounting there being down the main body of turning, the diapire of the main body of turning is through the screw thread mounting second self-tapping screw down, the flashboard is installed through the second self-tapping screw to the bottom of the main body of turning down, the flashboard is sealed to install the flashboard in the outside of flashboard, and the flashboard is sealed to be hugged closely in the inboard of valve main part, O type is sealed to be installed on the top of valve main part, and O type is sealed hugs closely the inboard at the upper cover.

Preferably, the inner sides of the two ends of the valve main body are provided with threaded inserts.

Preferably, a clamping piece is arranged at the top of the upper main rotating body and penetrates through the top wall of the upper cover.

Preferably, an upper seal is arranged on the inner side of the top wall of the upper cover, and the upper seal is tightly attached to the outer side of the clamping piece.

Preferably, the hand wheel is installed in the top outside of fastener, the draw-in groove has been seted up to the inboard of hand wheel, and draw-in groove and fastener gomphosis each other, the inboard of hand wheel runs through and installs first self-tapping screw, and the bottom of first self-tapping screw passes through the screw thread and is connected with the fastener.

Preferably, a wear-resistant pad is arranged at the top of the upper cover and abuts against the lower part of the hand wheel.

Preferably, a limit ring is arranged at the bottom end of the upper cover, and the limit ring is fixed on the upper surface of the valve main body.

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

1. according to the utility model, the flashboard seal is arranged, the flashboard seal is formed by mixing hard plastic and soft plastic according to a certain proportion, the outer part of the flashboard seal, which is in contact with the valve main body, is arranged as the inner part of the soft plastic, and the soft plastic is deformed and expanded by force continuously under downward force and then realizes the sealing effect of the valve by using the accumulation effect of plastic deformation and expansion.

2. The upper cover and the upper seal are arranged on the outer body of the valve, so that the safety, the integrity and the sealing performance of the internal structure of the valve are protected, and the O-shaped seal is arranged between the valve main body and the upper cover, so that the sealing performance of the upper and lower connecting structures of the valve main body is ensured.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a hand wheel according to the present utility model;

FIG. 4 is a schematic view of the structure of the lower main rotor of the present utility model;

fig. 5 is a schematic view of the valve body structure of the present utility model.

In the figure: 1. a hand wheel; 2. a first self-tapping screw; 3. a wear pad; 4. an upper cover; 5. sealing up; 6. an upper main rotator; 7. a lower main rotator; 8. o-shaped sealing; 9. a second self-tapping screw; 10. a flashboard; 11. sealing the flashboard; 12. a threaded insert; 13. a valve body; 14. a clamping groove; 15. and a limit ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2, 3, 4 and 5, the present utility model provides an embodiment: the valve structure comprises a valve main body 13, wherein a threaded joint is arranged at the top of the valve main body 13, the valve main body 13 fixes the threaded joint at the top, the outer side of the threaded joint is connected with an upper cover 4 through threads, the assembly of workers is convenient, the top of the valve main body 13 is provided with the upper cover 4 through the threaded joint, the inner side of the upper cover 4 is movably provided with an upper main rotating body 6, the inner side of the upper main rotating body 6 is movably provided with a lower main rotating body 7, the bottom wall of the lower main rotating body 7 is provided with a second self-tapping screw 9 through threads, the bottom end of the lower main rotating body 7 is provided with a flashboard 10 through the second self-tapping screw 9, the outer side of the flashboard 10 is provided with a flashboard seal 11, the flashboard seal 11 is clung to the inner side of the valve main body 13, the inner side of the valve main body 13 limits the flashboard seal 11, the flashboard seal 11 can stably move on the inner side of the valve main body 13, the top of the flashboard seal 11 is connected with the flashboard 10, the top of the flashboard 10 is tightly connected with the lower main rotating body 7 through a second self-tapping screw 9, the lower main rotating body 7 is connected with the upper main rotating body 6 through threads, the upper main rotating body 6 stably rotates under the limit of the inner sides of the valve main body 13 and the upper cover 4, the inner sides of the upper main rotating body 6 rotate to drive the inner sides of the lower main rotating body 7 to move up and down to adjust the height through the inner threads when rotating, the bottom end of the lower main rotating body 7 is connected with the flashboard 10 through the second self-tapping screw 9, the lower main rotating body 7 adjusts the height to drive the flashboard 10 to complete the opening and closing of the valve 10, the flashboard seal 11 is composed of hard plastic and soft plastic according to a certain proportion, the flashboard seal 11 is contacted with the valve main body 13, the inside of the flashboard seal 11 is arranged into the hard plastic, after continuously receiving downward force, the soft plastic is deformed and expanded by force and then is stacked by plastic deformation and expansion to realize the sealing effect of the valve, the top end of the valve main body 13 is provided with an O-shaped seal 8,O type seal 8 which is tightly attached to the inner side of the upper cover 4, and the O-shaped seal 8 is arranged between the valve main body 13 and the upper cover 4 and is used for guaranteeing the tightness of an upper-lower connecting structure of the valve main body.

The screw insert 12 is installed to the both ends inboard of valve main part 13, and the both ends of valve main part 13 support screw insert 12, and the inboard of screw insert 12 is connected with the water supply pipeline through the screw thread, and the convenience of customers assembles.

The clamping piece is installed at the top of going up main rotator 6, and the clamping piece runs through the roof of upper cover 4, upper seal 5 is installed to the roof inboard of upper cover 4, and upper seal 5 hugs closely in the outside of clamping piece, hand wheel 1 is installed in the top outside of clamping piece, draw-in groove 14 has been seted up to the inboard of hand wheel 1, and draw-in groove 14 and clamping piece gomphosis each other, first self-tapping screw 2 is installed in the inboard penetration of hand wheel 1, and the bottom of first self-tapping screw 2 passes through the screw to be connected with the clamping piece, and the clamping piece of going up main rotator 6 to the top is fixed, and the top and the draw-in groove 14 gomphosis of clamping piece facilitate the user to the device equipment, and first self-tapping screw 2 is firmly installed at the top of clamping piece with hand wheel 1, and the user rotates hand wheel 1 and drives draw-in groove 14 and rotates, and the clamping piece drives the upper main rotator 6 of bottom.

The top of upper cover 4 is installed wear pad 3, and wear pad 3 supports in the below of hand wheel 1, and wear pad 3 installs between upper cover 4 and hand wheel 1, and hand wheel 1 rotates at the top of wear pad 3.

The spacing collar 15 is installed to the bottom of upper cover 4, and spacing collar 15 is fixed at valve main part 13 upper surface, and upper cover 4 is installed at valve main part 13 top, and the bottom and the spacing collar 15 gomphosis of upper cover 4 are spacing upper cover 4, guarantee the accuracy of upper cover 4 installation.

Working principle: the user rotates hand wheel 1 and drives draw-in groove 14 rotation, draw-in groove 14 drives the fastener rotation, the fastener drives the upper main rotator 6 rotation of bottom, upper main rotator 6 steadily rotates under the inboard spacing of valve main part 13 and upper cover 4, the inboard screw thread rotation of drive when upper main rotator 6 rotates, the inboard rotation of upper main rotator 6 is to the lower main rotator 7 that drives inboard through inside screw thread and reciprocates the adjustment height, the bottom of lower main rotator 7 is connected with flashboard 10 through second self-tapping screw 9, lower main rotator 7 adjustment height drives flashboard 10 adjustment height, accomplish the opening and shutting of flashboard 10.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims (7)

1. A valve structure comprising a valve body (13), characterized in that: the utility model discloses a valve, including valve main part (13), upper cover (4) are installed at the top of valve main part (13), the inboard movable mounting of upper cover (4) has main rotator (6), the inboard of main rotator (6) is through movable mounting main rotator (7) down, the diapire of main rotator (7) is through screw mounting second self tapping screw (9) down, flashboard (10) are installed through second self tapping screw (9) in the bottom of main rotator (7) down, flashboard seal (11) are installed in the outside of flashboard (10), and flashboard seal (11) hugs closely in the inboard of valve main part (13), O type seal (8) are installed on the top of valve main part (13), and O type seal (8) hugs closely the inboard of upper cover.

2. A valve structure according to claim 1, wherein: a threaded insert (12) is mounted on the inner side of two ends of the valve main body (13).

3. A valve structure according to claim 1, wherein: the top of the upper main rotating body (6) is provided with a clamping piece, and the clamping piece penetrates through the top wall of the upper cover (4).

4. A valve structure according to claim 3, wherein: an upper seal (5) is arranged on the inner side of the top wall of the upper cover (4), and the upper seal (5) is tightly attached to the outer side of the clamping piece.

5. A valve structure according to claim 3, wherein: the hand wheel (1) is installed in the top outside of fastener, draw-in groove (14) have been seted up to the inboard of hand wheel (1), and draw-in groove (14) and fastener gomphosis each other, first self-tapping screw (2) are installed in the inboard penetration of hand wheel (1), and the bottom of first self-tapping screw (2) is connected with the fastener through the screw thread.

6. A valve structure according to claim 1, wherein: the top of upper cover (4) is installed wear pad (3), and wear pad (3) support in the below of hand wheel (1).

7. A valve structure according to claim 1, wherein: and a limit ring (15) is arranged at the bottom end of the upper cover (4), and the limit ring (15) is fixed on the upper surface of the valve main body (13).