CN213176850U

CN213176850U - Gate valve structure for increasing strength of valve rod

Info

Publication number: CN213176850U
Application number: CN202021857688.2U
Authority: CN
Inventors: 许辉斗
Original assignee: Jiulong Valve Co ltd
Current assignee: Jiulong Valve Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-11
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses an increase gate valve structure of valve rod intensity, which comprises a valve body, the valve body upper end is connected with the apron, the valve rod has been alternate in the apron, the valve rod lower extreme is provided with the valve block, the surface of apron is provided with the tang, tang department surface sets up the bell mouth joint and has the rubber taper block, rubber taper block surface crimping has the convex dome, convex dome lower extreme passes through threaded connection outside the tang, convex dome surface is provided with hexagonal tang cover in the valve rod upper end, the apron lower extreme is provided with the boss head and overlaps at the valve rod lower extreme, supports at the surface of valve rod through adopting the tang parcel, can support it, and the increase supports valve rod intensity to adopt rubber taper block, the cooperation hinders the fracture sealed, improves valve rod junction sealing performance.

Description

Gate valve structure for increasing strength of valve rod

Technical Field

The utility model relates to a gate valve field, more specifically say, relate to a gate valve structure of increase valve rod intensity.

Background

The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed;

wherein rely on the valve rod to twist and open the valve block, valve rod intensity is not good in the gate valve among the prior art, and when extending certain length use, water pressure or torsion can produce pressure during its use, and its valve rod is the single pole, does not have good support intensity, and intensity is not good during its valve rod use, and the valve rod junction leakproofness still remains to be improved in the valve body.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an increase gate valve structure of valve rod intensity supports at the surface of valve rod through adopting the tang parcel, can support it, and the valve rod intensity is supported in the increase to adopt rubber taper block, the cooperation hinders that the fracture is sealed, improves valve rod junction sealing performance.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an increase gate valve structure of valve rod intensity, includes the valve body, the valve body upper end is connected with the apron, the valve rod has been alternate in the apron, the valve rod lower extreme is provided with the valve block, the surface of apron is provided with the tang, tang department surface sets up the bell mouth joint and has the rubber cone piece, rubber cone piece surface crimping has the convex dome, the convex dome lower extreme passes through threaded connection outside the tang, convex dome surface is provided with hexagonal tang cover in the valve rod upper end, the apron lower extreme is provided with the boss tube socket and supports at the valve rod lower extreme, through adopting the tang parcel to support the surface at the valve rod, can support it, and the valve rod intensity is supported in the increase to adopt rubber cone piece block, the cooperation hinders fracture sealed, improves valve rod junction sealing performance.

Furthermore, a handle is arranged at the upper end of the valve rod, so that the valve rod can be conveniently twisted for use.

Furthermore, a rubber layer covers the inner end of the hexagonal convex opening, and the sealing performance of the valve rod sleeved with the hexagonal convex opening is improved.

Furthermore, the inner end of the convex tube head is covered with a rubber layer, so that the sealing performance of the convex tube head sleeved outside the valve rod is improved.

Furthermore, the cover plate is fixed on the surface of the valve body through bolts, so that the assembly is facilitated.

Compared with the prior art, the utility model has the advantages of:

(1) the outer surface of the valve rod is supported by the protruding opening in a wrapping mode, the valve rod can be supported, the strength of the supporting valve rod is increased, the rubber cone block is clamped, the fracture is blocked in a matching mode, and the sealing performance of the joint of the valve rod is improved.

(2) The handle is arranged at the upper end of the valve rod, so that the valve rod can be conveniently twisted to use.

(3) The inner end of the hexagonal convex opening is covered with a rubber layer, so that the sealing performance of the valve rod sleeved outside is improved.

(4) The inner end of the convex tube head is covered with a rubber layer, so that the sealing performance of the convex tube head sleeved outside the valve rod is improved.

(5) The cover plate is fixed on the surface of the valve body through bolts, so that the assembly is convenient.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the cover plate of the present invention;

fig. 3 is a top view of the local structure of the convex dome of the present invention.

The reference numbers in the figures illustrate:

1 valve body, 2 valve rods, 3 valve rods, 4 valve plates, 5 convex openings, 6 rubber conical blocks, 7 convex round covers, 8 hexagonal convex openings, 20 convex pipe heads, 9 handles and 21 bolts.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a gate valve structure for increasing strength of a valve rod comprises a valve body 1, wherein an upper end of the valve body 1 is connected with a cover plate 2, the valve rod 3 is inserted into the cover plate 2, a valve block 4 is arranged at a lower end of the valve rod 3, a convex opening 5 is arranged on the surface of the cover plate 2, a conical groove is arranged on the surface of the convex opening 5 and is connected with a rubber cone block 6 in a clamping manner, the surface of the rubber cone block 6 is connected with a convex round cover 7 in a pressing manner, the lower end of the convex round cover 7 is connected outside the convex opening 5 through threads, a hexagonal convex opening 8 is arranged on the surface of the convex round cover 7 and is sleeved on.

Referring to fig. 1-3, a handle 9 is disposed at the upper end of the valve rod 3 for facilitating twisting of the valve rod 3, a rubber layer is coated at the inner end of the hexagonal boss 8 for enhancing sealing performance sleeved outside the valve rod 3, a rubber layer is coated at the inner end of the protruding pipe head 20 for enhancing sealing performance sleeved outside the valve rod 3, and the cover plate 2 is fixed on the surface of the valve body 1 through a bolt 21 for facilitating assembly.

The upper end of the valve body 1 is connected with a cover plate 2, a valve rod 3 is inserted in the cover plate 2, a valve block 4 is arranged at the lower end of the valve rod 3, a convex opening 5 is arranged on the surface of the cover plate 2, a conical groove is arranged on the surface of the convex opening 5, a rubber conical block 6 is clamped on the surface of the rubber conical block 6, a convex round cover 7 is pressed on the surface of the rubber conical block 6, the lower end of the convex round cover 7 is connected outside the convex opening 5 through threads, a hexagonal convex opening 8 is arranged on the surface of the convex round cover 7 and sleeved on the upper end of the valve rod 3, a convex pipe head 20 is arranged at the lower end of the cover plate 2 and sleeved on the lower end of the valve rod 3, the hexagonal convex opening 8 and the;

and form the cover and form the multi-fracture sealed outside valve rod 3, cooperate the block 6 block of rubber taper, increase the sealing performance of valve rod 3 junction.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an increase gate valve structure of valve rod intensity, includes valve body (1), its characterized in that: the improved valve is characterized in that the upper end of the valve body (1) is connected with an apron (2), a valve rod (3) is inserted in the apron (2), a valve block (4) is arranged at the lower end of the valve rod (3), a convex opening (5) is arranged on the surface of the apron (2), a conical groove is arranged on the surface of the convex opening (5) in a clamped mode and is connected with a rubber cone block (6), a convex circular cover (7) is arranged on the surface of the rubber cone block (6) in a pressed mode, the lower end of the convex circular cover (7) is connected with the outer side of the convex opening (5) through threads, a hexagonal convex circular cover (7) is arranged on the surface of the convex circular cover (7) in a sleeved mode at the upper end of the valve rod (3).

2. The gate valve structure of claim 1, wherein the gate valve structure further comprises: and a handle (9) is arranged at the upper end of the valve rod (3).

3. The gate valve structure of claim 1, wherein the gate valve structure further comprises: the inner end of the hexagonal convex opening (8) is covered with a rubber layer.

4. The gate valve structure of claim 1, wherein the gate valve structure further comprises: the inner end of the protruding tube head (20) is covered with a rubber layer.

5. The gate valve structure of claim 1, wherein the gate valve structure further comprises: the cover plate (2) is fixed on the surface of the valve body (1) through bolts (21).