CN211649164U - Wear-resisting discharge valve of storehouse pump - Google Patents
Wear-resisting discharge valve of storehouse pump Download PDFInfo
- Publication number
- CN211649164U CN211649164U CN202020129829.2U CN202020129829U CN211649164U CN 211649164 U CN211649164 U CN 211649164U CN 202020129829 U CN202020129829 U CN 202020129829U CN 211649164 U CN211649164 U CN 211649164U
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- Prior art keywords
- valve
- exhaust
- cylinder
- wear
- exhaust valve
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- 210000004907 gland Anatomy 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a storehouse pump wear-resisting discharge valve, connect with at least more than two valve bodies above the exhaust valve seat, the valve body includes the exhaust hood that is located above the backup pad, is equipped with the cylinder in the exhaust hood, cylinder fixed plate, dustproof felt, support double-screw bolt, gland, the cylinder is installed on cylinder fixed plate through the gasket, and this cylinder fixed plate sets up on support double-screw bolt upper portion, support double-screw bolt bottom stretches into in the through-hole of backup pad and fastens with lock nut, opens the storage tank in the middle part of cylinder fixed plate, and dustproof felt passes through the gland to be fixed in the storage tank; the lower part of the cylinder rod extends into the upper part of the connecting cylinder, a connecting column positioned on the upper part of the valve core extends into the lower part of the connecting cylinder and is fixed by a cotter pin, and the side wall of the valve core is in sliding connection with the inner wall of the vent hole a of the supporting plate. The number of this application increase valve body can further descend by 2-4 parallelly connected uses the air velocity that makes the valve body of flowing through to improve the life of valve greatly.
Description
Technical Field
The utility model relates to an exhaust valve, a wear-resisting exhaust valve of storehouse pump specifically says so.
Background
The pump is required to exhaust residual gas inside after material conveying is finished every time, and gas in the bin pump can be continuously discharged in the feeding process, so that feeding can be ensured to enter the bin pump quickly and freely. The valve is abraded greatly during air exhaust due to a certain residual pressure in the bin pump after the material conveying is finished, and the exhausted air contains a large amount of dust. Therefore, the common ball valve or butterfly valve can be damaged quickly, so that the bin pump cannot work normally due to the failure of pressure maintaining.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the application provides a wear-resistant exhaust valve of a bin pump, which is structurally accelerated in opening speed, simultaneously increases the number of valve bodies, and can further reduce the air flow speed flowing through the valve bodies by using 2-4 valves in parallel, thereby greatly prolonging the service life of the valves.
In order to achieve the purpose, the technical scheme of the application is as follows: a wear-resistant exhaust valve for a bin pump comprises an exhaust valve seat, wherein at least more than two valve bodies are connected to the exhaust valve seat, each valve body comprises an exhaust hood located on a support plate, an exhaust outlet is formed in the top of each exhaust hood, a cylinder is arranged in each exhaust hood, a cylinder fixing plate, a dustproof felt, a support stud and a gland are arranged on each cylinder fixing plate, each cylinder is installed on each cylinder fixing plate through a gasket, each cylinder fixing plate is arranged on the upper portion of each support stud, the bottom of each support stud extends into a through hole of each support plate and is fastened through a locking nut, an accommodating groove is formed in the middle of each cylinder fixing plate, each dustproof felt is fixed in each accommodating groove through each gland, and; the lower part of the air cylinder rod sequentially penetrates through the air cylinder fixing plate, the dustproof felt and the gland to extend into the upper part of the connecting cylinder, the connecting column positioned on the upper part of the valve core extends into the lower part of the connecting cylinder and is fixed by a cotter pin, and the side wall of the valve core is in sliding connection with the inner wall of the vent hole a of the supporting plate.
Further, the valve core is in a circular truncated cone shape.
Furthermore, each supporting plate is fixed on the corresponding mounting base through the bottom plate, the mounting base is positioned on the corresponding air outlet pipeline of the exhaust valve seat, and an exhaust inlet is arranged below the exhaust valve seat.
Furthermore, a vent hole b is formed in the bottom plate, the side wall of the valve core is in sliding connection with the inner wall of the vent hole b, a sealing groove is formed in the joint of the vent hole a and the vent hole b, a sealing ring is installed in the sealing groove, and when the valve body is in a closed state, the sealing ring is in contact with the side wall of the valve core.
Furthermore, a movable gap is reserved between the cylinder rod in the connecting cylinder and the connecting column at the upper part of the valve core.
Furthermore, the inner wall of the upper part of the connecting cylinder is provided with internal threads, the internal threads are matched with the external threads of the cylinder rod, and the internal threads and the external threads are locked and fixed through screw caps.
Furthermore, the periphery of the cylinder fixing plate is fixed on the upper parts of the 4 support studs through upper nuts and lower nuts respectively.
As a further step, the exhaust hood comprises a hollow structure cylinder, a reducer pipe and an exhaust pipeline which are connected in sequence, wherein the diameter of the hollow structure cylinder is larger than that of the exhaust pipeline, and an exhaust outlet is formed in the top of the exhaust pipeline.
As a further step, the mounting base comprises an air duct and a horn cover, the air duct is connected to the bottom of the horn cover with the smaller diameter, the air duct is communicated with the air outlet duct through a flange, the bottom plate is fixed to the top of the horn cover with the larger diameter through a bolt, when the valve body is in an open state, the lower portion of the valve core is located in the horn cover, a horizontal plate at the bottom of the exhaust cover is fixed to the supporting plate through a bolt, and the supporting plate is fixed to the bottom plate through a bolt.
As a further step, the number of valve bodies is 2-4.
The utility model discloses owing to adopt above technical scheme, can gain following technological effect: when the valve core is driven by the cylinder rod to move downwards, the opening area of the valve core reaches the maximum instantly, and the number of the valve bodies is increased, so that the air flow speed flowing through the valve bodies can be further reduced by using 2-4 valve bodies in parallel, and the service life of the valve is greatly prolonged. A movable gap is arranged between the cylinder rod and the connecting column at the upper part of the valve core, so that the valve core in a closed state can be better reset. The structure is time-saving and labor-saving in operation, the sealing performance of the exhaust valve can be guaranteed, and resource waste, environmental damage or safety accidents are prevented.
Drawings
FIG. 1 is a schematic structural view of a wear-resistant exhaust valve of a bin pump;
the sequence numbers in the figures illustrate: 1. the device comprises an exhaust inlet, 2, an exhaust valve seat, 3, an installation base, 4, a valve core, 5, a sealing ring, 6, a bottom plate, 7, a split pin, 8, a connecting cylinder, 9, a support stud, 10, a gland, 11, a dustproof felt, 12, an exhaust hood, 13, an air cylinder, 14, an exhaust pipeline, 15, an air cylinder fixing plate, 16 and an air cylinder rod.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific embodiments: the present application is further described by taking this as an example.
Example 1
As shown in fig. 1, the present embodiment provides a wear-resistant exhaust valve for a cartridge pump, comprising: the air exhaust valve comprises an air exhaust valve seat, wherein at least more than two valve bodies are connected to the upper surface of the air exhaust valve seat, the valve bodies comprise an air exhaust cover positioned on a supporting plate, an air exhaust outlet is formed in the top of the air exhaust cover, an air cylinder is arranged in the air exhaust cover, an air cylinder fixing plate, a dustproof felt, a supporting stud and a gland are arranged on the air cylinder fixing plate through a gasket, the air cylinder fixing plate is arranged on the upper portion of the supporting stud, the bottom of the supporting stud extends into a through hole of the supporting plate and is fastened through a locking nut, an accommodating groove is formed in the middle of the air cylinder fixing plate, the dustproof felt is fixed in the; the lower part of the air cylinder rod sequentially penetrates through the air cylinder fixing plate, the dustproof felt and the gland to extend into the upper part of the connecting cylinder, the connecting column positioned on the upper part of the valve core extends into the lower part of the connecting cylinder and is fixed by a cotter pin, the side wall of the valve core is in sliding connection with the inner wall of the vent hole a of the supporting plate, and the valve core is in a circular truncated cone shape.
Each supporting plate is fixed on the corresponding mounting base through a bottom plate, the mounting base is positioned on the corresponding air outlet pipeline of the exhaust valve seat, and an exhaust inlet is arranged below the exhaust valve seat; the bottom plate is provided with a vent hole b, the side wall of the valve core is in sliding connection with the inner wall of the vent hole b, a sealing groove is arranged at the joint of the vent hole a and the vent hole b, a sealing ring is arranged in the sealing groove, and when the valve body is in a closed state, the sealing ring is in contact with the side wall of the valve core.
A movable gap is reserved between the air cylinder rod in the connecting cylinder and the connecting column on the upper portion of the valve core, an internal thread is arranged on the inner wall of the upper portion of the connecting cylinder, the internal thread is matched with the external thread of the air cylinder rod, and the air cylinder rod and the connecting column are locked and fixed through screw caps.
The periphery of the cylinder fixing plate is fixed on the upper parts of the 4 support studs through upper nuts and lower nuts respectively.
The exhaust hood comprises a hollow structure cylinder, a reducer pipe and an exhaust pipeline which are sequentially connected, the diameter of the hollow structure cylinder is larger than that of the exhaust pipeline, and an exhaust outlet is formed in the top of the exhaust pipeline; the installation base comprises an air duct and a horn cover, the air duct is connected to the bottom of the horn cover with the smaller diameter, the air duct is communicated with an air outlet duct through a flange, the bottom plate is fixed to the top of the horn cover with the larger diameter through a bolt, when the valve body is in an open state, the lower portion of the valve core is located in the horn cover, a horizontal plate at the bottom of the exhaust cover is fixed to the support plate through a bolt, and the support plate is fixed to the bottom plate through a bolt.
Preferably, the number of the valve bodies is 2-4, the valve bodies are set according to actual requirements, when the cylinder rod drives the valve core to move downwards, the side wall of the valve core is separated from the vent hole a and the vent hole b, and the opening area of the valve core is instantly maximized; when the cylinder rod drives the valve core to move upwards, the side wall of the valve core is just attached to the inner walls of the vent hole a and the vent hole b and is in contact with the sealing ring, and the valve is in a closed state at the moment.
The above, only for the utility model discloses create the concrete implementation way of preferred, nevertheless the utility model discloses the protection scope of creation is not limited to this, and any person skilled in this technical field is in the utility model discloses create the technical scope of disclosure, according to the utility model discloses the technical scheme of creation and utility model design equivalence replacement or change all should be covered in the protection scope of creation of the utility model.
Claims (10)
1. The wear-resistant exhaust valve for the bin pump is characterized by comprising an exhaust valve seat, wherein at least more than two valve bodies are connected to the exhaust valve seat, each valve body comprises an exhaust hood positioned on a supporting plate, an exhaust outlet is formed in the top of each exhaust hood, an air cylinder is arranged in each exhaust hood, an air cylinder fixing plate, a dustproof felt, a supporting stud and a gland are arranged on each air cylinder fixing plate through a gasket, each air cylinder fixing plate is arranged on the corresponding supporting stud, the bottom of each supporting stud extends into a through hole of the corresponding supporting plate and is fastened through a locking nut, an accommodating groove is formed in the middle of each air cylinder fixing plate, the dustproof felt is fixed in the accommodating groove through the corresponding gland, and the gland is fastened below the corresponding; the lower part of the air cylinder rod sequentially penetrates through the air cylinder fixing plate, the dustproof felt and the gland to extend into the upper part of the connecting cylinder, the connecting column positioned on the upper part of the valve core extends into the lower part of the connecting cylinder and is fixed by a cotter pin, and the side wall of the valve core is in sliding connection with the inner wall of the vent hole a of the supporting plate.
2. The wear-resistant exhaust valve for the bin pump according to claim 1, wherein the valve core is in a shape of a circular truncated cone.
3. The wear resistant exhaust valve for the bin pump according to claim 1, wherein each support plate is fixed by a bottom plate to a corresponding mounting base on the corresponding outlet duct of the exhaust valve seat, and an exhaust inlet is provided below the exhaust valve seat.
4. The wear-resistant exhaust valve for the bin pump according to claim 2, wherein a vent hole b is formed in the bottom plate, the side wall of the valve core is slidably connected with the inner wall of the vent hole b, a sealing groove is formed at the joint of the vent hole a and the vent hole b, a sealing ring is installed in the sealing groove, and when the valve body is in a closed state, the sealing ring is in contact with the side wall of the valve core.
5. The wear-resistant exhaust valve for the bin pump according to claim 1, wherein a movable gap is reserved between a cylinder rod in the connecting cylinder and a connecting column at the upper part of the valve core.
6. The wear-resistant exhaust valve for the bin pump according to claim 1, wherein the inner wall of the upper part of the connecting cylinder is provided with an internal thread which is matched with an external thread of the cylinder rod, and the internal thread and the external thread are locked and fixed through a nut.
7. The wear-resistant exhaust valve for the bin pump according to claim 1, wherein the periphery of the cylinder fixing plate is fixed on the upper parts of the 4 support studs through upper nuts and lower nuts respectively.
8. The wear-resistant exhaust valve for the bin pump according to claim 1, wherein the exhaust hood comprises a hollow structure cylinder, a reducer pipe and an exhaust pipeline which are connected in sequence, the diameter of the hollow structure cylinder is larger than that of the exhaust pipeline, and an exhaust outlet is formed in the top of the exhaust pipeline.
9. The wear-resistant exhaust valve for the bin pump according to claim 3, wherein the mounting base comprises an air duct and a horn cover, the air duct is connected to the bottom of the horn cover with the smaller diameter, the air duct is communicated with the air outlet duct through a flange, the bottom plate is fixed to the top of the horn cover with the larger diameter through a bolt, when the valve body is in an open state, the lower portion of the valve element is located in the horn cover, a horizontal plate at the bottom of the exhaust cover is fixed to the supporting plate through a bolt, and the supporting plate is fixed to the bottom plate through a bolt.
10. The wear-resistant exhaust valve for the bin pump according to claim 1, wherein the number of the valve bodies is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129829.2U CN211649164U (en) | 2020-01-20 | 2020-01-20 | Wear-resisting discharge valve of storehouse pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129829.2U CN211649164U (en) | 2020-01-20 | 2020-01-20 | Wear-resisting discharge valve of storehouse pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211649164U true CN211649164U (en) | 2020-10-09 |
Family
ID=72682770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020129829.2U Expired - Fee Related CN211649164U (en) | 2020-01-20 | 2020-01-20 | Wear-resisting discharge valve of storehouse pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211649164U (en) |
-
2020
- 2020-01-20 CN CN202020129829.2U patent/CN211649164U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |