CN212055908U

CN212055908U - Elastic flashboard type gate valve

Info

Publication number: CN212055908U
Application number: CN202020501855.3U
Authority: CN
Inventors: 李鑫
Original assignee: Jiangsu Xingyi Valve Co ltd
Current assignee: Jiangsu Xingyi Valve Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-01
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to the technical field of gate valves, and discloses an elastic gate plate type gate valve, which comprises a valve body, a left joint, a right joint and a hand wheel, wherein the left end of the valve body is fixedly connected with the left joint, the right end of the valve body is fixedly connected with the right joint, the lower end of the hand wheel is fixedly connected with a valve rod, the lower end of the valve rod sequentially penetrates through a press cap, a sealing ring, a valve cover, a press ring and a thrust bearing from top to bottom and extends to the inside of the valve body to be connected with a valve plate, a rubber sleeve is arranged at the middle position of the valve rod, the elastic gate plate type gate valve is suitable for stably and efficiently driving the valve plate to move up and down by arranging a support rod, a bearing, a thrust bearing and a sealing block and utilizing the mutual cooperation among the support rod, the bearing, the thrust bearing and the sealing, good sealing effect, simple shape, good manufacturing process and wide application range.

Description

Elastic flashboard type gate valve

Technical Field

The utility model relates to a gate valve technical field specifically is an elasticity flashboard formula gate valve.

Background

The gate valve is an opening or closing part gate plate, the moving direction of the gate plate is always vertical to the moving direction of fluid, when the gate valve is used, the gate valve can only be fully opened and fully closed and cannot be used for adjustment and throttling, the gate valve can be divided into a rigid gate valve and an elastic gate valve, and although the types of the gate valves are various, the requirements of users cannot be met.

The elastic flashboard type gate valve has the advantages that when the elastic flashboard type gate valve is used, the stable and efficient driving of the valve plate to move up and down cannot be realized, the gate valve is low in stability, the valve rod is prone to shaking during operation, secondly, friction is large, operation resistance is large, the valve plate is hard to open or close, the sealing effect is poor, the body is complex, the manufacturing process is weak, the application range is small, and therefore the defects are solved through the elastic flashboard type gate valve in urgent need.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an elasticity flashboard formula gate valve has solved current elasticity flashboard formula gate valve, when using, can't realize steady efficient and drive valve plate up-and-down motion, and the steadiness of gate valve is low, and the valve rod rocks easily during operation, and secondly the friction is big, and operating resistance is big, and it is hard to open or close the valve plate, and sealed effect is not good, and the physique is complicated, and manufacturing process nature is weak, problem that application scope is little.

The utility model provides a following technical scheme: the utility model provides an elasticity flashboard formula gate valve, includes valve body, left side joint, right side joint and hand wheel, the left end fixed connection left side joint of valve body, the right-hand member fixed connection right side joint of valve body, the lower extreme fixed connection valve rod of hand wheel, the lower extreme of valve rod down runs through in proper order from last through gland, sealing washer, valve gap, clamping ring and footstep bearing to the inside that extends to the valve body is connected with the valve plate, the intermediate position of valve rod is provided with the rubber sleeve, the outside of rubber sleeve is provided with rubber laminating mould briquetting, the outside of rubber laminating mould briquetting is provided with the bearing, the left and right sides of bearing all is provided with the bracing piece, the one end of bracing piece is connected with the valve body, the valve gap is connected with the bolt of valve.

Preferably, the lower end of the pressing cap is tightly attached to the sealing ring.

Preferably, the pressing ring is tightly attached to the thrust bearing.

Preferably, the lower part of valve rod is provided with the external screw thread, be provided with the internal thread on the inside wall of valve plate.

Preferably, the lower end of the valve plate is fixedly connected with a sealing block, and the sealing block is arc-shaped.

Preferably, a gasket is arranged between the valve cover and the valve body.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this be applicable to an elasticity flashboard formula gate valve through setting up bracing piece, bearing, footstep bearing and sealed piece, utilizes the interact of mutually supporting between them to can realize steady efficient and drive the valve plate up-and-down motion, improve the steadiness of gate valve, prevent that the valve rod from rocking, secondly can reduce friction, reduce the operating resistance, it is laborsaving to open or close the valve plate, and is sealed effectual, and the physique is simple, and manufacturing technology is good, and application scope is wide.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

FIG. 3 is a schematic structural view of the valve stem of the present invention;

FIG. 4 is a schematic view of the top view of the connection between the support rod and the bearing according to the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a left joint; 3. a right connector; 4. a hand wheel; 5. a valve stem; 6. pressing the cap; 7. a seal ring; 8. pressing a ring; 9. a thrust bearing; 10. a valve cover; 11. a bolt; 12. a support bar; 13. a bearing; 14. a valve plate; 15. a sealing block; 16. a rubber sleeve; 17. and (3) pressing the rubber laminating die block.

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. 1-5, an elastic gate plate type gate valve comprises a valve body 1, a left joint 2, a right joint 3 and a hand wheel 4, wherein the left end of the valve body 1 is fixedly connected with the left joint 2, the right end of the valve body 1 is fixedly connected with the right joint 3, the lower end of the hand wheel 4 is fixedly connected with a valve rod 5, the lower end of the valve rod 5 sequentially penetrates through a pressing cap 6, a sealing ring 7, a valve cover 10, a pressing ring 8 and a thrust bearing 9 from top to bottom, the thrust bearing 9 is arranged to reduce friction and operating resistance, the valve plate 14 is opened or closed with less effort, the valve plate extends into the valve body 1 and is connected with the valve plate 14, a rubber sleeve 16 is arranged at the middle position of the valve rod 5, a rubber laminating die pressing block 17 is arranged outside the rubber sleeve 16, a bearing 13 is arranged outside the rubber laminating die pressing block 17, support rods 12 are arranged on, utilize the interact between them, thereby can realize steady efficient drive valve plate 14 up-and-down motion, improve the steadiness of gate valve, prevent that valve rod 5 from rocking, valve gap 10 is connected through the bolt 11 of both sides with valve body 1, the lower extreme of pressing cap 6 closely laminates with sealing washer 7, clamping ring 8 closely laminates with footstep bearing 9, the lower part below of valve rod 5 is provided with the external screw thread, be provided with the internal thread on the inside wall of valve plate 14, the lower extreme fixed connection seal block 15 of valve plate 14, the shape of seal block 15 is arc, be provided with the packing ring between valve gap 10 and the valve body 1.

The utility model discloses a theory of operation and use flow: connect input fluid pipeline and output fluid pipeline through left side joint 2 and right side joint 3 during the installation, link together valve gap 10 and valve body 1 through bolt 11, wherein the packing ring prevents the contact damage, when valve plate 14 is opened to needs, then it is rotatory to drive valve rod 5 through manual rotation hand wheel 4, utilize the external screw thread of valve rod 5 lower extreme and the internal thread of valve plate 14 to carry out the normal running, make valve plate 14 carry out the oscilaltion motion under the drive of valve rod 5, valve plate 14 of oscilaltion drives convex seal block 15 and seals the groove part of aiming at valve body 1, the completion is opened or is closed, bracing piece 12 and bearing 13 support valve rod 5 from the left and right sides spacing, avoid rocking.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. An elastic flashboard type gate valve comprises a valve body (1), a left joint (2), a right joint (3) and a hand wheel (4), and is characterized in that; the left end of the valve body (1) is fixedly connected with a left joint (2), the right end of the valve body (1) is fixedly connected with a right joint (3), the lower end of the hand wheel (4) is fixedly connected with a valve rod (5), the lower end of the valve rod (5) sequentially penetrates through a pressing cap (6), a sealing ring (7), a valve cover (10), a pressing ring (8) and a thrust bearing (9) from top to bottom, and extends to the interior of the valve body (1) to be connected with a valve plate (14), a rubber sleeve (16) is arranged at the middle position of the valve rod (5), a rubber laminating moulding block (17) is arranged on the outer side of the rubber sleeve (16), a bearing (13) is arranged on the outer side of the rubber laminating moulding block (17), supporting rods (12) are arranged on the left side and the right side of the bearing (13), one end of the support rod (12) is connected with the valve body (1), and the valve cover (10) is connected with the valve body (1) through bolts (11) on two sides.

2. A resilient gate plate gate valve according to claim 1, wherein: the lower end of the pressing cap (6) is tightly attached to the sealing ring (7).

3. A resilient gate plate gate valve according to claim 1, wherein: the pressing ring (8) is tightly attached to the thrust bearing (9).

4. A resilient gate plate gate valve according to claim 1, wherein: the lower part of valve rod (5) is provided with the external screw thread, be provided with the internal thread on the inside wall of valve plate (14).

5. A resilient gate plate gate valve according to claim 1, wherein: the lower end of the valve plate (14) is fixedly connected with a sealing block (15), and the sealing block (15) is arc-shaped.

6. A resilient gate plate gate valve according to claim 1, wherein: and a gasket is arranged between the valve cover (10) and the valve body (1).