CN218267302U - Gate valve with protection mechanism - Google Patents

Abstract

The utility model discloses a gate valve with protection machanism, concretely relates to gate valve technical field, including the valve floodgate main part with be located the control handle in the valve floodgate main part, the valve floodgate main part is connected with the protection casing through the rubber sleeve, the protection casing by connecting sleeve and with connecting sleeve one end fixed connection's empty section of thick bamboo constitute, the fixed annular arch that is provided with in top in the empty section of thick bamboo, the top of empty section of thick bamboo is provided with the lid, the lid by the upper cover and with upper cover bottom fixed connection's limit sleeve constitute, the ring channel has been seted up to the limit sleeve surface, and the inside and the bellied surface joint of ring channel. The user of service can rust easily in humid environment according to current valve floodgate, leads to being difficult to use and adopts this valve floodgate that has the protection casing, not only can play better guard action, avoids a large amount of moisture to corrode control handle and connection position to convenient to use and its later stage are dismantled, also can not lead to control handle to be difficult to use simultaneously.

Description

Gate valve with protection mechanism

Technical Field

The utility model relates to a gate valve technical field specifically is a gate valve with protection machanism.

Background

The gate valve is a shutter, the movement direction of the shutter 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 valve is sealed by the contact of the valve seat and the gate plate, and a sealing surface is usually subjected to surfacing welding of metal materials to increase the wear resistance, such as surfacing welding of 1Cr13, STL6, stainless steel and the like. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.

At present, when a valve gate is used, a handle generally needs to be rotated to realize the opening and closing of the valve gate, but because the humidity of the working environment of the valve gate is high, and because a protection mechanism is not arranged on the valve gate, the handle and a connecting part of the handle are easy to rust in a large area, so that the handle is inconvenient to rotate or disassemble, and therefore a gate valve with the protection mechanism is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a gate valve with a protection mechanism.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a gate valve with protection machanism, includes the valve gate main part and is located the control handle in the valve gate main part, the valve gate main part is connected with the protection casing through the rubber sleeve, the protection casing by connecting sleeve and with connecting sleeve one end fixed connection's an empty section of thick bamboo constitute, the fixed annular arch that is provided with in top in the empty section of thick bamboo, the top of an empty section of thick bamboo is provided with the lid, the lid by the upper cover with upper cover bottom fixed connection's spacing sleeve constitute, the ring channel has been seted up to the spacing sleeve surface, and the inside and the bellied surface joint of annular of ring channel.

As an optimal technical scheme of the utility model, limit sleeve's top is provided with the sealing washer, the sealing washer comprises arc rubber circle and the straight section of thick bamboo rubber circle that is located arc rubber circle one end.

As an optimized technical proposal of the utility model, the top end of the upper cover is fixedly connected with a handle.

As an optimal technical scheme of the utility model, a port of rubber sleeve is big port, and another port is the miniport, the inside of miniport cup joints with the surface of valve gate main part, and the surface of miniport is provided with the second staple bolt, the inside of big port cup joints with the other end of connecting sleeve, the surface of big port is provided with first staple bolt.

As an optimized technical scheme of the utility model, the outside of limiting sleeve bottom sets up to the arc.

As a preferred technical scheme of the utility model, the internal diameter size of an empty section of thick bamboo is greater than control handle's external diameter size.

As a preferred technical scheme of the utility model, the bellied outside profile of annular is with the inside profile looks adaptation of ring channel.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the upper cover is moved outwards, the limiting sleeve is separated from the hollow cylinder, and then the control handle is controlled, when the valve is not needed to be used, the limiting sleeve is inserted into the hollow cylinder until the annular protrusion is clamped with the annular groove, the cover body is fixed at the moment, the protective cover is sealed, a large amount of moisture is prevented from entering the valve, the valve has a good moisture-proof function, a user can rust easily in a humid environment according to the existing valve, the valve is difficult to use, the valve with the protective cover is adopted, the valve not only can play a good protection role, the control handle and a connecting part of the control handle are prevented from being corroded by a large amount of moisture, and therefore the valve is convenient to use and later-stage disassembly of the valve, and meanwhile, the control handle cannot be difficult to use;

2. through setting up arc rubber circle to in spacing sleeve can get into empty section of thick bamboo smoothly, thereby be convenient for straight section of thick bamboo rubber circle can be by empty section of thick bamboo and spacing sleeve extrusion, thereby deformation accomplishes the sealed to the protection casing.

Drawings

Fig. 1 is a schematic plan view of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic diagram of a partially enlarged structure at a position in fig. 2 according to the present invention.

Fig. 4 is a schematic structural view of the connection sleeve of the present invention.

Wherein: 1. a valve gate body; 2. a control handle; 3. a protective cover; 4. a connecting sleeve; 5. an empty cartridge; 6. a rubber sleeve; 7. a first hoop; 8. a second hoop; 9. an upper cover; 10. a handle; 11. a large port; 12. a small port; 13. an annular projection; 14. a limiting sleeve; 15. an annular groove; 16. a seal ring; 17. an arc-shaped rubber ring; 18. straight cylinder rubber circle.

Detailed Description

As shown in fig. 1-4, a gate valve with a protection mechanism comprises a valve gate main body 1 and a control handle 2 located on the valve gate main body 1, the valve gate main body 1 is connected with a protection cover 3 through a rubber sleeve 6, the protection cover 3 is composed of a connecting sleeve 4 and a hollow cylinder 5 fixedly connected with one end of the connecting sleeve 4, an annular bulge 13 is fixedly arranged at the top of the hollow cylinder 5, a cover body is arranged at the top of the hollow cylinder 5, the cover body is composed of an upper cover 9 and a limit sleeve 14 fixedly connected with the bottom of the upper cover 9, an annular groove 15 is formed in the outer surface of the limit sleeve 14, and the inside of the annular groove 15 is clamped with the outer surface of the annular bulge 13; when needs use control handle 2, toward removing upper cover 9 outward, make stop sleeve 14 and the separation of empty section of thick bamboo 5, then control handle 2 again can, when not needing to use, insert stop sleeve 14 in empty section of thick bamboo 5, until annular bulge 13 and ring channel 15 joint can, this moment with stop sleeve 14 fixed, thereby accomplish the fixed of lid, make protection casing 3 sealed, avoid a large amount of moisture to get into, better dampproofing function has, user of service can rust easily in humid environment according to current valve gate, lead to being difficult to use and adopt this valve gate that has protection casing 3, not only can play better guard action, avoid a large amount of moisture to corrode control handle 2 and connection position, thereby convenient to use and later stage dismantlement, also can not lead to control handle 2 to be difficult to use simultaneously.

The top of the limiting sleeve 14 is provided with a sealing ring 16, and the sealing ring 16 consists of an arc rubber ring 17 and a straight cylinder rubber ring 18 positioned at one end of the arc rubber ring 17; the convenience is through arc rubber circle 17 to in spacing sleeve 14 can get into empty section of thick bamboo 5 smoothly, thereby be convenient for straight section of thick bamboo rubber circle 18 can be extruded by empty section of thick bamboo 5 and spacing sleeve 14, thereby deformation, the completion is to the sealed of protection casing 3.

The top end of the upper cover 9 is fixedly connected with a handle 10; the handle 10 is convenient to pass through, so that the whole cover body can be easily pulled out.

One port of the rubber sleeve 6 is a large port 11, the other port is a small port 12, the inside of the small port 12 is sleeved with the outer surface of the valve gate main body 1, the outer surface of the small port 12 is provided with a second hoop 8, the inside of the large port 11 is sleeved with the other end of the connecting sleeve 4, and the outer surface of the large port 11 is provided with a first hoop 7; the small port 12 is sleeved with the upper portion of the valve gate main body 1 and is fixed by the second hoop 8, so that the end is sealed, the inside of the large port 11 is sleeved with one end of the connecting sleeve 4 and is fixed by the first hoop 7, so that the end is sealed, and the protective cover 3 is sealed.

The outer side of the bottom of the limiting sleeve 14 is arc-shaped; make things convenient for spacing sleeve 14 can be smoothly by annular bulge 13 extrusion deformation through this arc design to annular bulge 13 can be connected with ring channel 15 joint convenient for.

The inner diameter of the hollow cylinder 5 is larger than the outer diameter of the control handle 2; there is enough operating space in the convenient hollow cylinder 5 so that the user can stretch the hand into the operating control handle 2 to realize the opening and closing of the valve gate main body 1.

The outer contour of the annular projection 13 is adapted to the inner contour of the annular groove 15; the annular protrusion 13 can be clamped with the annular groove 15 well, so that the cover body is fixed stably.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A gate valve with a protection mechanism comprises a valve gate main body (1) and a control handle (2) positioned on the valve gate main body (1), and is characterized in that: valve floodgate main part (1) is connected with protection casing (3) through rubber sleeve (6), protection casing (3) by connecting sleeve (4) and with connecting sleeve (4) one end fixed connection's an empty section of thick bamboo (5) constitute, the fixed annular arch (13) that are provided with in top in an empty section of thick bamboo (5), the top of an empty section of thick bamboo (5) is provided with the lid, the lid comprises upper cover (9) and with upper cover (9) bottom fixed connection's spacing sleeve (14), annular groove (15) have been seted up to spacing sleeve (14) surface, and the inside of annular groove (15) and the surface joint of annular arch (13).

2. The gate valve with a guard mechanism according to claim 1, wherein: the top of spacing sleeve (14) is provided with sealing washer (16), sealing washer (16) comprise arc rubber circle (17) and straight section of thick bamboo rubber circle (18) that are located arc rubber circle (17) one end.

3. The gate valve with a guard mechanism according to claim 1, wherein: the top end of the upper cover (9) is fixedly connected with a handle (10).

4. The gate valve with a guard mechanism according to claim 1, wherein: one port of rubber sleeve (6) is big port (11), and another port is port (12), the inside of port (12) cup joints with the surface of valve gate main part (1), and the surface of port (12) is provided with second staple bolt (8), the inside of big port (11) cup joints with the other end of connecting sleeve (4), the surface of big port (11) is provided with first staple bolt (7).

5. The gate valve with a guard mechanism according to claim 1, wherein: the outer side of the bottom of the limiting sleeve (14) is arc-shaped.

6. The gate valve with a guard mechanism according to claim 1, wherein: the inner diameter of the hollow cylinder (5) is larger than the outer diameter of the control handle (2).

7. The gate valve with a guard mechanism according to claim 1, wherein: the outer contour of the annular projection (13) is adapted to the inner contour of the annular groove (15).

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