CN211009940U

CN211009940U - Dustproof gate valve with self-cleaning function

Info

Publication number: CN211009940U
Application number: CN201921874004.7U
Authority: CN
Inventors: 田洪卫; 欧丹
Original assignee: Suzhou Kedi Fluid Control Equipment Co ltd
Current assignee: Suzhou Kedi Fluid Control Equipment Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-14
Anticipated expiration: 2029-11-01

Abstract

The utility model relates to a dustproof gate valve with self-cleaning function, which comprises a valve body, wherein a flashboard is arranged in the valve body, the top of the flashboard is provided with a first bearing, the top of the first bearing is movably connected with a threaded rod, the top of the valve body is fixedly connected with a fixed seat, the top end of the threaded rod penetrates through the fixed seat, a water inlet pipe and a water outlet pipe are arranged on two sides of the valve body, a cleaning mechanism is arranged on the water inlet pipe, the cleaning mechanism comprises a ring body, a second bearing, a spherical filter screen, a rotating rod, a semi-ring frame and a cleaning brush, the spherical filter screen is arranged in the ring body, one end of the spherical filter screen is connected with the ring body through a second bearing, the other end of the spherical filter screen is fixedly connected with the rotating rod, one end of the rotating rod penetrates through the ring body, the semi-ring frame is arranged on one side of the spherical filter screen far away from the valve body, this dustproof gate valve with self-cleaning function has clean function, thereby has avoided impurity to pile up too much in the gate valve effectively and has leaded to rivers not smooth or the gate valve to block up.

Description

Dustproof gate valve with self-cleaning function

Technical Field

The utility model relates to a dustproof gate valve with self-cleaning function belongs to valve technical field.

Background

The opening and closing part of the gate valve is a gate plate, the moving direction of the gate plate is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The gate has two sealing surfaces, the most common mode being that the two sealing surfaces of the gate form a wedge, the wedge angle varying with the valve parameters, typically 5 °, and 2 ° 52' for medium temperatures not high.

The prior art has the following defects that most manufacturers for producing gate valves in China are more, the connection sizes are mostly not uniform, the general types are mainly JB/T2203-1999 Gate valve structure length, most safety valve manufacturers in China are designed and produced according to the standard, and the prior art has the following defects: the inside relevant cleaning device that does not set up of current gate valve to lead to accumulational impurity in the gate valve too much, make rivers not smooth or the gate valve blocks up, and current gate valve inner structure is comparatively complicated, and the maintenance is inconvenient and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides one kind and has self-cleaning function dustproof gate valve, possesses that cleaning function is stronger, inner structure is simple, easy maintenance, the lower advantage of cost, has solved current inside not setting up relevant cleaning device of gate valve to it is too much to lead to accumulational impurity in the gate valve, makes the problem that rivers are not smooth or the gate valve blocks up.

In order to achieve the above object, the utility model provides a following technical scheme:

a dustproof gate valve with a self-cleaning function comprises a valve body, wherein a gate plate is arranged in the valve body, a first bearing is mounted at the top of the gate plate, a threaded rod is movably connected to the top of the first bearing, a fixed seat is fixedly connected to the top of the valve body, and the top end of the threaded rod penetrates through the fixed seat;

the valve body both sides are equipped with inlet tube and outlet pipe, install clean mechanism on the inlet tube, clean mechanism includes ring body, second bearing, spherical filter screen, bull stick, semi-ring frame, cleaning brush, it is internal that the ring body is located to the spherical filter screen, spherical filter screen one end is passed through the second bearing and is connected the ring body, other end fixed connection bull stick, just bull stick one end runs through the ring body, the semi-ring frame is located one side that the valve body was kept away from to the spherical filter screen, just semi-ring frame fixed connection ring body, cleaning brush is located on the semi-ring frame inner wall.

Furthermore, a threaded hole is formed in the fixing seat, and the threaded hole is in threaded connection with the threaded rod.

Furthermore, the top end of the threaded rod is fixedly connected with a hand wheel, and the hand wheel is arranged above the fixed seat.

Furthermore, the one end that inlet tube and outlet pipe kept away from each other all is equipped with the flange, just be equipped with fixing bolt on the flange.

Further, the ring body passes through threaded connection inlet tube, just be equipped with the sealing washer between inlet tube and the ring body.

Furthermore, one end of the rotating rod is connected with a rotating handle, and the rotating handle is arranged on one side of the ring body.

Further, the valve body inner chamber is equipped with sealed the pad, just sealed pad is located between valve body and the flashboard.

The utility model has the advantages that:

1. through the arrangement of the valve body, the fixed seat, the threaded hole, the threaded rod, the first bearing, the flashboard, the hand wheel and other structures, the internal structure of the gate valve is simple, and the flowing rate of liquid can be effectively controlled;

2. by arranging the cleaning mechanism, water flow passing through the gate valve can be filtered, impurities are prevented from passing through, the problem that water flow is not smooth or the gate valve is blocked due to excessive accumulation of impurities in the gate valve is effectively avoided, the filter screen can be cleaned by the structure, the filter screen is prevented from being blocked by the impurities, and the service life is prolonged;

3. the gate valve is simple in overall structure, low in manufacturing cost and convenient to replace parts and maintain inside.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification for the purpose of illustrating the invention and are not to be construed as limiting the invention.

FIG. 1 is a front view of a self-cleaning dustproof gate valve of the present invention;

FIG. 2 is a schematic view of the internal structure of a valve body of the dustproof gate valve with self-cleaning function of the present invention;

FIG. 3 is a schematic structural view of a cleaning mechanism of a dustproof gate valve with a self-cleaning function according to the present invention;

fig. 4 is the structure schematic diagram of the utility model relates to a spherical filter screen with self-cleaning function dustproof gate valve.

Reference numbers in the figures: 1. a valve body; 2. a shutter plate; 3. a first bearing; 4. a threaded rod; 5. a fixed seat; 6. a water inlet pipe; 7. a water outlet pipe; 8. a cleaning mechanism; 9. a ring body; 10. a second bearing; 11. a spherical filter screen; 12. a rotating rod; 13. a semi-ring frame; 14. cleaning a brush; 15. a threaded hole; 16. a hand wheel; 17. a flange; 18. turning a handle; 19. a gasket; 20. an outer filter screen; 21. an inner filter screen; 22. activated carbon.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-3, a dustproof gate valve with a self-cleaning function comprises a valve body 1, a gate plate 2 is arranged in the valve body 1, a first bearing 3 is arranged at the top of the gate plate 2, a threaded rod 4 is movably connected to the top of the first bearing 3 to control the gate plate 2 to lift, a fixed seat 5 is fixedly connected to the top of the valve body 1, the top end of the threaded rod 4 penetrates through the fixed seat 5, a water inlet pipe 6 and a water outlet pipe 7 are arranged at two sides of the valve body 1, a cleaning mechanism 8 is arranged on the water inlet pipe 6 to effectively prevent the unsmooth water flow or the blockage of the gate valve due to excessive accumulation of impurities in the gate valve, the cleaning mechanism 8 comprises a ring body 9, a second bearing 10, a spherical filter screen 11, a rotating rod 12, a semi-ring frame 13 and a cleaning brush 14, the spherical filter screen 11 is arranged in the ring, the semi-ring frame 13 is arranged on one side, far away from the valve body 1, of the spherical filter screen 11, the semi-ring frame 13 is fixedly connected with the ring body 9, and the cleaning brush 14 is arranged on the inner wall of the semi-ring frame 13.

Wherein, be equipped with screw hole 15 on the

fixing base

5, and 15 threaded connection threaded rod 4 of screw hole, 4 top fixedly connected with hand wheels 16 of threaded rod, and hand wheel 16 locates the fixing base 5 top, be convenient for rotate threaded rod 4, the one end that inlet tube 6 and outlet pipe 7 kept away from each other all is equipped with flange 17, and be equipped with fixing bolt on the flange 17, ring body 9 passes through threaded connection inlet tube 6, and be equipped with the sealing washer between inlet tube 6 and the ring body 9, improve sealed effect, 12 one end of bull stick is connected with changes 18, and change and locate ring body 9 one side 18, be convenient for

rotate bull stick

12, 1 inner chamber of valve body is equipped with sealed 19, and sealed 19 locates between valve body 1 and the flashboard 2, improve the leakproofness in the valve body.

Example 2

As shown in fig. 4, spherical filter screen 11 includes outer filter screen 20, interior filter screen 21, active carbon 22, and interior filter screen 21 is located in outer filter screen 20, and in active carbon 22 located interior filter screen 21, improve the bracing piece between interior filter screen 21 and the outer filter screen 20 and be connected, adopt double-deck filter screen to improve the filter effect, can effectually prevent impurity blocking gate valve.

The utility model discloses the theory of operation: during the use, through rotating hand wheel 16 and rotating threaded rod 4, and then drive flashboard 2 and shift up, thereby make the gate valve open, make liquid flow, when liquid flows through cleaning mechanism 8 on the inlet tube 6, spherical filter screen 11 can effectually prevent the impurity stream to advance valve body 1, rotate bull stick 12 through changeing 18, and then spherical filter screen 11 rotates, and then the impurity of 14 clearance spherical filter screens 11 surfaces of clearance brush, avoid impurity to block up spherical filter screen 11, the effectual life who prolongs the gate valve.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A dustproof gate valve with a self-cleaning function comprises a valve body (1) and is characterized in that a gate plate (2) is arranged in the valve body (1), a first bearing (3) is installed at the top of the gate plate (2), a threaded rod (4) is movably connected to the top of the first bearing (3), a fixed seat (5) is fixedly connected to the top of the valve body (1), and the top end of the threaded rod (4) penetrates through the fixed seat (5);

valve body (1) both sides are equipped with inlet tube (6) and outlet pipe (7), install clean mechanism (8) on inlet tube (6), clean mechanism (8) are including ring body (9), second bearing (10), spherical filter screen (11), bull stick (12), semi-ring frame (13), cleaning brush (14), spherical filter screen (11) are located in ring body (9), ring body (9) are connected through second bearing (10) to spherical filter screen (11) one end, other end fixed connection bull stick (12), just ring body (9) are run through to bull stick (12) one end, one side that valve body (1) was kept away from in spherical filter screen (11) is located in semi-ring frame (13), just semi-ring frame (13) fixed connection ring body (9), cleaning brush (14) are located on semi-ring frame (13) inner wall.

2. The dust-proof gate valve with the self-cleaning function according to claim 1, wherein: and a threaded hole (15) is formed in the fixed seat (5), and the threaded hole (15) is in threaded connection with the threaded rod (4).

3. The dust-proof gate valve with the self-cleaning function according to claim 1, wherein: threaded rod (4) top fixedly connected with hand wheel (16), just fixing base (5) top is located in hand wheel (16).

4. The dust-proof gate valve with the self-cleaning function according to claim 1, wherein: one end that inlet tube (6) and outlet pipe (7) kept away from each other all is equipped with flange (17), just be equipped with fixing bolt on flange (17).

5. The dust-proof gate valve with the self-cleaning function according to claim 1, wherein: the ring body (9) is connected with the water inlet pipe (6) through threads, and a sealing ring is arranged between the water inlet pipe (6) and the ring body (9).

6. The dust-proof gate valve with the self-cleaning function according to claim 1, wherein: one end of the rotating rod (12) is connected with a rotating handle (18), and the rotating handle (18) is arranged on one side of the ring body (9).

7. The dust-proof gate valve with the self-cleaning function according to claim 1, wherein: the inner cavity of the valve body (1) is provided with a sealing gasket (19), and the sealing gasket (19) is arranged between the valve body (1) and the flashboard (2).