CN214699256U

CN214699256U - Gate valve

Info

Publication number: CN214699256U
Application number: CN202120242455.XU
Authority: CN
Inventors: 王达国
Original assignee: Yuhuan Dadi Copper Co ltd
Current assignee: Yuhuan Dadi Copper Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-11-12
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a gate valve, including main part disk seat and rotating valve rod, one side of main part disk seat is connected with the inlet tube, and the one end of inlet tube is fixed with fixed joint, fixed joint's surperficial one side is provided with first sealed the pad. This gate valve inlet tube and drain pipe pass through between fixed joint and the main part disk seat threaded connection together, and bond mutually between first sealed pad and inlet tube and the drain pipe, thereby can be convenient for install inlet tube and drain pipe through fixed joint and save the time of installation, can seal up the kneck through first sealed pad, thereby avoid the water to ooze, the upper end cover can be dismantled through between first installation head and the main part disk seat, and closely laminate mutually between the sealed pad of second and upper end cover and the main part disk seat, through first installation head, can open the upper end cover, thereby can maintain the inside device, sealed the degree that can improve the device through the sealed pad of second.

Description

Gate valve

Technical Field

The utility model relates to a gate valve device technical field specifically is a gate valve.

Background

The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled, the gate valve is sealed through the contact of a valve seat and the gate plate, usually, a sealing surface can be welded with metal materials in a surfacing mode to increase the wear resistance, the gate plate is provided with a rigid gate plate and an elastic gate plate, according to the difference of the gate plates, the gate valve is divided into a rigid gate valve and an elastic gate valve, the opening and closing member of the gate valve is the gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled, most of the gate valves are forcedly sealed, namely, when the valves are closed, the gate plate is forced to press towards the valve seat by means of external force, so that the sealing performance of the sealing surface is ensured.

The existing gate valve equipment structure is too complex, and when the gate valve equipment is used, the gate valve equipment is easily influenced by malicious rotation of other people and stealing due to exposure, water circulation is influenced, accumulated impurities in the valve are not easily discharged, and the problem of blockage is easily caused for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gate valve to solve the current gate valve equipment structure that provides among the above-mentioned background art and too complicated, owing to expose outside and suffer other people's malicious rotation easily and steal when using, cause the influence to the water circulation, and accumulational impurity deposits in the valve and is difficult to discharge, causes the problem of jam for a long time easily.

In order to achieve the above object, the utility model provides a following technical scheme: a gate valve comprises a main valve seat and a rotary valve rod, wherein one side of the main valve seat is connected with a water inlet pipe, one end of the water inlet pipe is fixedly provided with a fixed joint, one side of the surface of the fixed joint is provided with a first sealing gasket, an upper end cover is arranged in the middle of the upper part of the main valve seat, one side of the upper part of the upper end cover is provided with a first mounting head, one side of the lower part of the upper end cover is fixedly provided with a second sealing gasket, the middle of the upper part of the upper end cover is provided with a protective cover, the rotary valve rod is positioned in the middle of the inner side of the protective cover, the top of the protective cover is provided with a protective cover, the other side of the main valve seat is connected with a water drain pipe, the middle of the lower part of the main valve seat is provided with a sewage discharge outlet, the lower end cover is mounted below the sewage outlet through the second mounting head, one side of the lower part of the main valve seat is provided with a connecting head, and the water pressure gauge is mounted below the connecting head, the rotary valve is characterized in that a rotating shaft is connected to one side of the upper portion of the protective cover, a key hole is formed in the middle of the lower portion of the protective cover, a sealing valve clack is installed at the lower end of the rotating valve rod, and a third sealing gasket is arranged on one side of the lower portion of the sealing valve clack.

Preferably, the water inlet pipe and the water outlet pipe form a threaded connection structure with the main body valve seat through the fixed joint, and the first sealing gasket is bonded with the water inlet pipe and the water outlet pipe.

Preferably, the upper end cover forms a detachable structure with the main body valve seat through the first mounting head, and the second sealing gasket is tightly attached to the upper end cover and the main body valve seat.

Preferably, the rotary valve rod forms a rotary structure through the upper end cover and the sealing valve clack, and the sealing valve clack is tightly attached to the third sealing gasket.

Preferably, the lower end cover forms a detachable structure through the second mounting head and the sewage draining exit, and the sewage draining exit coincides with the vertical central line of the main valve seat.

Preferably, the water pressure gauge forms a threaded connection structure with the main body valve seat through the connector, and the main body valve seat and the connector are communicated with the water pressure gauge.

Preferably, the protective cover forms a movable connection structure with the protective cover through the rotating shaft, and the key hole is fixedly connected with the protective cover.

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

1. the inlet tube and the drain pipe are connected together through the screw thread between the fixed joint and the main body valve seat, and the first sealing gasket is bonded with the inlet tube and the drain pipe, thereby the time of installation can be saved by installing the inlet tube and the drain pipe through the fixed joint, can seal the kneck through the first sealing gasket, thereby avoid the water to ooze, the upper end cover can be dismantled through between first installation head and the main body valve seat, and closely laminate mutually between the second sealing gasket and upper end cover and the main body valve seat, through the first installation head, can open the upper end cover, thereby can maintain the device inside, can improve the sealed degree of device through the second sealing gasket.

2. The rotation valve rod can rotate through between upper end cover and the sealing valve clack, and close looks laminating between sealing valve clack and the sealed pad of third, through rotating the valve rod, can drive the sealing valve clack and reciprocate, thereby can control rivers, through the sealed pad of third, can improve the leakproofness when the valve closes, the lower end cover can be dismantled through between second installation head and the drain, through the second installation head, can dismantle the lower end cover, thereby can discharge the inside sediment impurity of device, thereby guarantee the inside clean and tidy jam of avoiding taking place of device.

3. The water pressure gauge passes through threaded connection between connector and the main part disk seat together, and be linked together between main part disk seat and the joint and the water pressure gauge, through the connector, can carry out erection joint with the water pressure gauge, thereby can monitor the inside water pressure of device, the visor can rotate through between axis of rotation and the protection casing, and be together fixed between key hole and the visor, through the key hole, can be opened by operating personnel, thereby avoid being rotated at will by other people when not needing the adjustment and take place the not logical of water circulation.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the protective cover of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a main body valve seat; 2. a water inlet pipe; 3. fixing the joint; 4. a first gasket; 5. an upper end cover; 6. a first mounting head; 7. a second gasket; 8. a protective cover; 9. rotating the valve stem; 10. a protective cover; 11. a drain pipe; 12. a sewage draining outlet; 13. a lower end cover; 14. a second mounting head; 15. a connector; 16. a water pressure gauge; 17. a rotating shaft; 18. a key hole; 19. a sealing valve flap; 20. and a third gasket.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a gate valve comprises a main valve seat 1 and a rotary valve rod 9, one side of the main valve seat 1 is connected with a water inlet pipe 2, one end of the water inlet pipe 2 is fixed with a fixed joint 3, one side of the surface of the fixed joint 3 is provided with a first sealing gasket 4, the upper middle part of the main valve seat 1 is provided with an upper end cover 5, one side of the upper end cover 5 is provided with a first mounting head 6, one side of the lower part of the upper end cover 5 is fixed with a second sealing gasket 7, the upper middle part of the upper end cover 5 is provided with a protective cover 8, the rotary valve rod 9 is positioned in the middle part of the inner side of the protective cover 8, the top of the protective cover 8 is provided with a protective cover 10, the other side of the main valve seat 1 is connected with a drain pipe 11, the lower middle part of the main valve seat 1 is provided with a sewage discharge outlet 12, the lower end cover 13 is mounted below the sewage outlet 12 through a second mounting head 14, one side of the lower part of the main valve seat 1 is provided with a connector 15, a water pressure gauge 16 is arranged below the connector 15, a rotating shaft 17 is connected to one side above the protective cover 10, a key hole 18 is formed in the middle of the lower portion of the protective cover 10, a sealing valve clack 19 is arranged at the lower end of the rotating valve rod 9, and a third sealing gasket 20 is arranged on one side below the sealing valve clack 19;

the water inlet pipe 2 and the water outlet pipe 11 form a threaded connection structure with the main body valve seat 1 through the fixed joint 3, the first sealing gasket 4 is bonded with the water inlet pipe 2 and the water outlet pipe 11, the water inlet pipe 2 and the water outlet pipe 11 can be conveniently installed through the fixed joint 3, so that the installation time is saved, the interface can be sealed through the first sealing gasket 4, so that the water body is prevented from seeping, the upper end cover 5 forms a detachable structure with the main body valve seat 1 through the first installing head 6, the second sealing gasket 7 is tightly attached with the upper end cover 5 and the main body valve seat 1, the upper end cover 5 can be opened through the first installing head 6, so that the interior of the device can be maintained, and the sealing degree of the device can be improved through the second sealing gasket 7;

the rotary valve rod 9 forms a rotary structure with the sealing valve clack 19 through the upper end cover 5, the sealing valve clack 19 is tightly attached to the third sealing gasket 20, the sealing valve clack 19 can be driven to move up and down through the rotary valve rod 9, so that water flow can be controlled, the sealing performance can be improved when the valve is closed through the third sealing gasket 20, the lower end cover 13 forms a detachable structure with the sewage discharge port 12 through the second mounting head 14, the sewage discharge port 12 is overlapped with the vertical central line of the main body valve seat 1, the lower end cover 13 can be detached through the second mounting head 14, so that deposited impurities in the device can be discharged, and the inside of the device is ensured to be neatly prevented from being blocked;

water pressure gauge 16 passes through to constitute threaded connection structure between connector 15 and the main part disk seat 1, and communicate each other between main part disk seat 1 and connector 15 and the water pressure gauge 16, through connector 15, can carry out erection joint with water pressure gauge 16, thereby can monitor the inside water pressure of device, visor 10 passes through to constitute swing joint structure between axis of rotation 17 and the protection casing 8, and be fixed connection between key hole 18 and the visor 10, through key hole 18, can be opened by operating personnel, thereby avoid being rotated at will by other people when not needing the adjustment and take place the impassability of water circulation.

The working principle is as follows: firstly, the water inlet pipe 2 and the water outlet pipe 11 can be conveniently installed through the fixed joint 3, so that the installation time is saved, then, the interface can be sealed through the first sealing gasket 4, so that the seepage of a water body is avoided, then, the upper end cover 5 can be opened through the first installation head 6, so that the inside of the device can be maintained, the sealing degree of the device can be improved through the second sealing gasket 7, at the moment, the sealing valve clack 19 can be driven to move up and down through rotating the valve rod 9, so that the water flow can be controlled, then, the sealing performance can be improved when the valve is closed through the third sealing gasket 20, then, the lower end cover 13 can be detached through the second installation head 14, so that the precipitated impurities in the device can be discharged, the inside of the device is ensured to be neatly prevented from being blocked, at the moment, the water pressure gauge 16 can be installed and connected through the connector 15, thereby can monitor the inside water pressure of device, pass through key hole 18 at last, can be opened by operating personnel to avoid being rotated at will by other people when not needing the adjustment and take place the not smooth and easy of water circulation.

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 gate valve comprising a body valve seat (1) and a rotary valve stem (9), characterized in that: one side of the main body valve seat (1) is connected with a water inlet pipe (2), one end of the water inlet pipe (2) is fixed with a fixed joint (3), one side of the surface of the fixed joint (3) is provided with a first sealing gasket (4), the middle part of the upper part of the main body valve seat (1) is provided with an upper end cover (5), one side of the upper part of the upper end cover (5) is provided with a first mounting head (6), one side of the lower part of the upper end cover (5) is fixed with a second sealing gasket (7), the middle part of the upper end cover (5) is provided with a protective cover (8), the rotating valve rod (9) is positioned in the middle part of the inner side of the protective cover (8), the top part of the protective cover (8) is provided with a protective cover (10), the other side of the main body valve seat (1) is connected with a drain pipe (11), the middle part of the lower part of the main body valve seat (1) is provided with a drain outlet (12), the lower end cover (13) is arranged below the drain outlet (12) through a second mounting head (14), the water pressure measuring valve is characterized in that a connector (15) is arranged on one side of the lower portion of a main valve seat (1), a water pressure gauge (16) is installed on the lower portion of the connector (15), a rotating shaft (17) is connected to one side of the upper portion of a protective cover (10), a key hole (18) is formed in the middle of the lower portion of the protective cover (10), a sealing valve clack (19) is installed at the lower end of a rotating valve rod (9), and a third sealing gasket (20) is arranged on one side of the lower portion of the sealing valve clack (19).

2. A gate valve according to claim 1, characterised in that: inlet tube (2) and drain pipe (11) constitute threaded connection structure through between fixed joint (3) and main part disk seat (1), and be the bonding between first sealed pad (4) and inlet tube (2) and drain pipe (11).

3. A gate valve according to claim 1, characterised in that: the upper end cover (5) forms a detachable structure with the main body valve seat (1) through the first mounting head (6), and the second sealing gasket (7) is tightly attached to the upper end cover (5) and the main body valve seat (1).

4. A gate valve according to claim 1, characterised in that: the rotary valve rod (9) forms a rotary structure through the upper end cover (5) and the sealing valve clack (19), and the sealing valve clack (19) is tightly attached to the third sealing gasket (20).

5. A gate valve according to claim 1, characterised in that: the lower end cover (13) forms a detachable structure through the second mounting head (14) and the sewage draining exit (12), and the sewage draining exit (12) is overlapped with the vertical central line of the main valve seat (1).

6. A gate valve according to claim 1, characterised in that: the water pressure meter (16) forms a threaded connection structure with the main body valve seat (1) through the connector (15), and the main body valve seat (1), the connector (15) and the water pressure meter (16) are communicated with each other.

7. A gate valve according to claim 1, characterised in that: the protective cover (10) is movably connected with the protective cover (8) through the rotating shaft (17), and the key hole (18) is fixedly connected with the protective cover (10).