CN213145421U - Novel flat gate valve - Google Patents
Novel flat gate valve Download PDFInfo
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- CN213145421U CN213145421U CN202021511159.7U CN202021511159U CN213145421U CN 213145421 U CN213145421 U CN 213145421U CN 202021511159 U CN202021511159 U CN 202021511159U CN 213145421 U CN213145421 U CN 213145421U
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Abstract
The utility model relates to the technical field of valves, in particular to a novel flat gate valve, which comprises a valve body, a valve seat, a flashboard component, a valve rod and a valve cover, wherein the valve cover is fixed on the upper part of the valve body, the bottom end of the valve rod is embedded in the flashboard component, the top end of the valve rod extends out of the valve cover, and the valve rod drives the flashboard component to be matched with the valve seat; the method is characterized in that: the valve cover is provided with a plurality of upright posts, guide plates are sleeved on the upright posts, and the guide plates are fixedly connected with the valve rod; two guide grooves are formed in the wall of the middle cavity of the valve body, the two guide grooves are symmetrically arranged along the central axis of the valve body, and the flashboard assembly is installed in the guide grooves and moves up and down along the guide grooves. The utility model discloses simple structure, the disk seat welding is difficult for producing the deformation, and valve sealing performance is good, and direction and the outer dual direction design of stand of leading in the valve body prolong product life, applicable in multiple occasion installation.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a novel plate valve.
Background
The flat gate valve is widely applied to pipelines in the field of industrial automation systems such as electric power, chemical industry, metallurgy, environmental protection, water treatment, light industry, building materials and the like, and is used as a cutting medium. The valve seat of the traditional flat gate valve is directly welded with the valve body, and when the valve seat is too long, welding deformation is easy to occur; the design of the middle cavity of the valve body is influenced by the size of the valve seat, so that the valve body has a large appearance and a large installation required space; the flashboard component moves up and down only by the valve body or other single guide, so that the phenomenon of offset jamming is easy to occur. The novel flat gate valve is required to be provided, so that the welding deformation of the valve seat is reduced, the sealing performance of a product is ensured, and the service life of the product is prolonged; the product volume is reduced, and the requirement on installation space is reduced; the flashboard component moves up and down and adopts a multiple guide structure, so that the phenomenon of offset and jamming is avoided.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a novel flat gate valve, which reduces the welding deformation of the valve seat, ensures the sealing performance of the product and prolongs the service life of the product; the product volume is reduced, and the requirement on installation space is reduced; the flashboard component moves up and down and adopts a multiple guide structure, so that the phenomenon of offset and jamming is avoided.
In order to solve the technical problem, the utility model provides a novel flat gate valve, which comprises a valve body, a valve seat, a flashboard assembly, a valve rod and a valve cover, wherein the valve cover is fixed on the upper part of the valve body, the bottom end of the valve rod is embedded in the flashboard assembly, the top end of the valve rod extends out of the valve cover, and the valve rod drives the flashboard assembly to be matched with the valve seat; the method is characterized in that: the valve cover is provided with a plurality of upright posts, guide plates are sleeved on the upright posts, and the guide plates are fixedly connected with the valve rod; the valve body is characterized in that two guide grooves are formed in the wall of the middle cavity of the valve body, the two guide grooves are symmetrically arranged along the axis of the valve body, and the flashboard assembly is installed in the guide grooves and moves up and down along the guide grooves.
Furthermore, a valve seat sleeve is fixedly welded in the valve body, and the valve seat is fixedly welded in the valve seat sleeve.
Further, the guide groove is a square groove.
Further, the gate plate assembly consists of a spring and two gate plates, the spring is arranged between the two gate plates, and the two gate plates tightly hold the bottom end of the valve rod; the side face of the flashboard is provided with a protruding part, and the protruding part is matched with the guide groove.
Further, the valve body with be equipped with from the sealing washer between the valve gap, be equipped with four ring-opening on the self sealss circle, four ring-opening are used for right the self sealss circle compresses tightly.
Furthermore, a packing is arranged between the valve rod and the valve cover, a packing gland is arranged at the top of the valve cover, and the packing gland is fixedly connected with the valve cover through a bolt and is used for compressing the packing.
Furthermore, a supporting plate is arranged on the valve cover, a cover plate is arranged on the supporting plate, and the cover plate, the supporting plate and the valve cover are fixedly connected through a pre-tightening bolt.
Furthermore, the number of the upright posts is two, and the two upright posts are symmetrically arranged on the cover plate in a left-right mode by taking the valve rod as a center.
Furthermore, the guide plate consists of two flat plates which are fixedly connected through bolts; the guide plate is connected with the valve rod through a key; the valve rod drives the guide plate to move up and down along the two upright posts.
The utility model has the advantages that:
the product of the utility model has compact design, small volume, small required installation space and convenient field installation; the valve seat is not easy to deform during welding, the sealing performance of the valve is good, and the service life of the product is long; the dual direction design of direction outside direction in the valve body and the stand avoids the flashboard subassembly to reciprocate and takes place skew jamming phenomenon, applicable in the installation of multiple occasion.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the inner guide of the present invention;
fig. 3 is a schematic view of the external guiding overlooking structure of the present invention;
in the figure: 1-valve body, 2-valve seat sleeve, 3-valve seat, 4-flashboard component, 5-valve rod, 6-valve cover, 7-self-sealing ring, 8-four-open ring, 9-pretightening bolt, 10-supporting plate, 11-cover plate, 12-packing gland, 13-guide plate, 14-upright post, 15-valve rod power source fixing plate, 16-spring, 17-flashboard and 18-guide groove.
Detailed Description
The following embodiments are further described to make the technical solution and the advantageous effects of the present invention clearer and clearer. The following described embodiments are exemplary, are intended to be illustrative of the present invention, and are not to be construed as limiting the invention.
Example (b):
as shown in fig. 1-3, the utility model discloses a novel plate gate valve, which comprises a valve body 1, a valve seat sleeve 2, a valve seat 3, a gate plate assembly 4, a valve rod 5, a valve cover 6, and a column 14 symmetrically arranged on the valve cover 6 by taking the valve rod 5 as a center, wherein the valve cover 6 is fixed on the upper part of the valve body 1, a self-sealing ring 7 is arranged between the valve body 1 and the valve cover 6, a four-open ring 8 is arranged on the self-sealing ring 7, and the four-open ring 8 is used for compressing the self-sealing ring; the valve cover 6 is provided with a supporting plate 10, the supporting plate 10 is provided with a cover plate 11, and the cover plate 11, the supporting plate 10 and the valve cover 6 are fixedly connected through a pre-tightening bolt 9; under the action of medium pressure, upward pressure is generated, and the sealing force is larger when the medium pressure is larger, so that the middle cavity part is ensured not to leak.
A valve seat sleeve 2 is welded and fixed in the valve body 1, and a valve seat 3 is welded and fixed in the valve seat sleeve 2; the valve body 1 and the valve seat 3 are not directly welded and fixed, and the valve seat sleeve 2 is in transition, so that the width of the valve seat 3 can be reduced, welding deformation caused by overlong valve seat 3 is avoided, and the sealing performance of a product is ensured; meanwhile, the design width of the valve seat 3 is reduced, the design size of a cavity in the valve body 1 is also reduced, the product design is more compact, the size is smaller, and the space requirement of field installation is reduced.
The top end of the valve rod 5 extends out of the valve cover 6 to be connected with a valve rod power source, the valve rod power source is installed on a valve rod power source fixing plate 15, the bottom end of the valve rod 5 is embedded in the flashboard assembly 4, the flashboard assembly 4 consists of a spring 16 and two flashboards 17, the spring 16 is arranged between the two flashboards 17, the two flashboards 17 tightly hold the bottom end of the valve rod 5, and the valve rod 5 drives the flashboard assembly 4 to be matched with the valve seat 3; packing is arranged between the valve rod 5 and the valve cover 6, a packing gland 12 is arranged at the top of the valve cover 6, the packing gland 12 is fixedly connected with the valve cover 6 through bolts and used for compressing the packing, and meanwhile, a sealing structure combining outer packing sealing and inner pressure self sealing is adopted at the sealing position of the valve rod, so that the medium can be prevented from leaking.
One end of each upright post 14 is fixed on the cover plate 11, the other end of each upright post 14 is fixed on the valve rod power source fixing plate 15, guide plates 13 are sleeved on the two upright posts 14, each guide plate 13 consists of two flat plates, and the two flat plates are fixedly connected through bolts; the guide plate 13 is connected with the valve rod 5 through a key; the valve rod 5 drives the guide plate 13 to move up and down along the two upright posts 14, and the upright posts 14 play an external guide role on the flashboard assembly 4; the wall of the middle cavity of the valve body 1 is provided with two square grooves which are symmetrically arranged along the axial line of the valve body 1, the side surface of the flashboard 17 is provided with a convex part which is matched with the square groove 18, the flashboard assembly 4 is arranged in the square groove 18 and moves up and down along the square groove 18, and the square groove 18 plays an internal guiding role in the flashboard assembly 4; adopt inside and outside two guide structure, take place skew jamming phenomenon when avoiding flashboard subassembly 4 to reciprocate, the applicable multiple occasion installation of product.
The utility model has the advantages that:
the product of the utility model has compact design, small volume, small required installation space and convenient field installation; the valve seat is not easy to deform during welding, the sealing performance of the valve is good, and the service life of the product is long; the dual direction design of direction outside direction in the valve body and the stand avoids the flashboard subassembly to reciprocate and takes place skew jamming phenomenon, applicable in the installation of multiple occasion.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (9)
1. A novel flat gate valve comprises a valve body (1), a valve seat (3), a gate plate assembly (4), a valve rod (5) and a valve cover (6), wherein the valve cover (6) is fixed on the upper portion of the valve body (1), the bottom end of the valve rod (5) is embedded in the gate plate assembly (4), the top end of the valve rod (5) extends out of the valve cover (6), and the valve rod (5) drives the gate plate assembly (4) to be matched with the valve seat (3); the method is characterized in that: the valve cover (6) is provided with a plurality of upright posts (14), guide plates (13) are sleeved on the upright posts (14), and the guide plates (13) are fixedly connected with the valve rod (5); the valve is characterized in that two guide grooves (18) are formed in the wall of a middle cavity of the valve body (1), the two guide grooves (18) are symmetrically arranged along the axial line of the valve body (1), and the gate plate assembly (4) is installed in the guide grooves (18) and moves up and down along the guide grooves (18).
2. A new plate gate valve according to claim 1, characterized in that a valve seat sleeve (2) is fixed by welding in the valve body (1), and the valve seat (3) is fixed by welding in the valve seat sleeve (2).
3. A new sluice valve according to claim 1, characterised in that the guide groove (18) is a square groove.
4. A new flat gate valve according to claim 1, characterized in that said gate plate assembly (4) is composed of a spring (16) and two gate plates (17), said spring (16) is arranged between two said gate plates (17), two said gate plates (17) hug the bottom end of said valve stem (5); the side surface of the flashboard (17) is provided with a convex part, and the convex part is matched with the guide groove (18).
5. A novel plate valve as claimed in claim 1, characterized in that a self-sealing ring (7) is arranged between the valve body (1) and the valve cover (6), a four-open ring (8) is arranged on the self-sealing ring (7), and the four-open ring (8) is used for compressing the self-sealing ring (7).
6. The novel flat gate valve according to claim 1, wherein a packing is arranged between the valve rod (5) and the valve cover (6), a packing gland (12) is arranged on the top of the valve cover (6), and the packing gland (12) is fixedly connected with the valve cover (6) through a bolt for compressing the packing.
7. The novel flat gate valve according to claim 1, wherein a support plate (10) is arranged on the valve cover (6), a cover plate (11) is arranged on the support plate (10), and the cover plate (11), the support plate (10) and the valve cover (6) are fixedly connected through a pre-tightening bolt (9).
8. A new sluice valve according to claim 7, characterised in that the number of the pillars (14) is two and the pillars are arranged symmetrically on the cover plate (11) with the valve stem (5) as the centre.
9. A new plate gate valve according to claim 1, characterized in that the guiding plate (13) consists of two plates, which are fixedly connected by bolts; the guide plate (13) is connected with the valve rod (5) through a key; the valve rod (5) drives the guide plate (13) to move up and down along the two upright posts (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021511159.7U CN213145421U (en) | 2020-07-28 | 2020-07-28 | Novel flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021511159.7U CN213145421U (en) | 2020-07-28 | 2020-07-28 | Novel flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145421U true CN213145421U (en) | 2021-05-07 |
Family
ID=75734363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021511159.7U Active CN213145421U (en) | 2020-07-28 | 2020-07-28 | Novel flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213145421U (en) |
-
2020
- 2020-07-28 CN CN202021511159.7U patent/CN213145421U/en active Active
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