CN203131145U - Anti-corrosion middle pressure valve - Google Patents
Anti-corrosion middle pressure valve Download PDFInfo
- Publication number
- CN203131145U CN203131145U CN 201320102133 CN201320102133U CN203131145U CN 203131145 U CN203131145 U CN 203131145U CN 201320102133 CN201320102133 CN 201320102133 CN 201320102133 U CN201320102133 U CN 201320102133U CN 203131145 U CN203131145 U CN 203131145U
- Authority
- CN
- China
- Prior art keywords
- spring
- lower shell
- screw
- pressure valve
- shell body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Springs (AREA)
Abstract
The utility model discloses an anti-corrosion middle pressure valve, belongs to the technical field of mechanical engineering, and aims to solve the problems of easy corrosion and poor sealing performance in the prior art. The anti-corrosion middle pressure valve comprises an upper casing body, a lower casing body and a pressure stabilizing mechanism, wherein the upper casing and the lower casing form a sealing cavity, and pressure stabilizing mechanism is arranged inside the cavity and comprises a spring A, a spring shim B, a hollow screw, an injector rod, a steel ball, a spring B, a steel sheet and a column PTFE (Polytetrafluoroethylene) body. The steel ball, the steel sheet, the injector rod and the spring B of the pressure stabilizing portion of the anti-corrosion middle pressure valve are all stainless steel structures so that the problem of corrosion generated during a flowing process of fluid is solved, the pressure can be adjusted steadily through the matching of the steel ball with the column PTFE body, and the corrosion resistance and the sealing performance of the whole middle pressure valve are improved through the matched usage of the steel sheet and the column PTFE body.
Description
Technical field
The utility model belongs to mechanical engineering technical field, is specifically related to a kind of corrosion protection Middle pressure valve of using on the tank body of liquefied petroleum gas (LPG) and rock gas that takes up.
Background technique
Valve is the controlling component in the fluid delivery system, have by, adjusting, water conservancy diversion, prevent functions such as adverse current, voltage stabilizing shunting or overflow pressure release; In use happened occasionally by the event that flow-induced corrosion causes revealing blast owing to valve internal.
Rubber pad is used in existing Middle pressure valve inside more, and in use corrosion causes expansion, distortion and reveals easily, does not still solve the scheme of Middle pressure valve etching problem at present.
The model utility content
The purpose of this utility model is to propose a kind of corrosion protection Middle pressure valve, solves the perishable and imprecise problem that exists in the prior art.
For achieving the above object, corrosion protection Middle pressure valve of the present utility model comprises upper shell, lower shell body and voltage stabilizing mechanism, described upper shell and described lower shell body form the cavity of sealing, described voltage stabilizing mechanism is positioned at described inside cavity, and described voltage stabilizing mechanism comprises spring A, compression spring B, hollow screw, push rod, steel ball, spring B, steel disc and cylindricality tetrafluoro body;
The described steel disc that stainless steel is made is divided into two seal chambers up and down with the cavity of described upper shell and the formation of described lower shell body, the described spring B that stainless steel is made contacts with steel ball and is positioned at described cylindricality tetrafluoro body, described cylindricality tetrafluoro body is positioned at the below of described lower shell body, described cylindricality tetrafluoro body upper inner is wedge shape, the left side has through hole and is communicated with the fluid passage of described lower shell body, the below of the push rod that stainless steel is made contacts cooperation with described steel ball, described push rod top and described hollow screw Spielpassung, described hollow screw passes described steel disc and realizes being threaded with the nut B of steel disc opposite side, described spring A fixes by stabilizing spring pad B the below, described stabilizing spring pad B contacts with described cored screw, described screw A passes described upper shell and holds out against described spring A by stabilizing spring pad A, described screw A is threaded with described nut A, described nut A is fixedlyed connected with described upper shell, described screw C is threaded with described lower shell body, and the bottom that described screw C passes described lower shell body contacts with described cylindricality tetrafluoro body and described spring B.
There is sealer the threaded connection place of described screw C and described lower shell body.
Described steel disc and described upper shell, lower shell body and described hollow screw contact segment are provided with Tetrafluoro spacer.
There is ripple in described steel disc two ends.
The beneficial effects of the utility model are: compared with prior art, steel ball, steel disc, push rod and the spring B of Middle pressure valve voltage stabilizing part of the present utility model are stainless steel structure, solved the etching problem that causes in the process fluid flow, by steel ball and cooperating of described cylindricality tetrafluoro body realizing stablizing pressure regulation, the utility model has increased whole corrosion resistance and sealability by being used of steel disc and Tetrafluoro spacer.
Description of drawings
Fig. 1 is corrosion protection Middle pressure valve overall structure sectional view of the present utility model.
Wherein: 1, screw A, 2, nut A, 3, upper shell, 4, stabilizing spring pad A, 5, spring A, 6, stabilizing spring pad B, 7, nut B, 8, hollow screw, 9, screw B, 10, Tetrafluoro spacer, 11, push rod, 12, steel ball, 13, spring B, 14, screw C, 15, cylindricality tetrafluoro body, 16, lower shell body, 17, steel disc.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Referring to accompanying drawing 1, Middle pressure valve of the present utility model comprises upper shell 3, lower shell body 16 and voltage stabilizing mechanism, described upper shell 3 and described lower shell body 16 form the cavity of sealing, described upper shell 3 is fixedlyed connected by the screw B9 of circumference uniform distribution with described lower shell body 16, described voltage stabilizing mechanism is positioned at described inside cavity, and described voltage stabilizing mechanism comprises the push rod 11 that spring A5, compression spring B, hollow screw 8, stainless steel make, the steel ball 12 that stainless steel is made, the spring B 13 that stainless steel is made, steel disc 17 and the cylindricality tetrafluoro body 15 that stainless steel is made; Described steel disc 17 is divided into two seal chambers up and down with the cavity of described upper shell 3 and 16 formation of described lower shell body, described spring B 13 contacts with described steel ball 12 and is positioned at described cylindricality tetrafluoro body 15, described cylindricality tetrafluoro body 15 is positioned at the below of described lower shell body 16, described cylindricality tetrafluoro body 15 upper inner are wedge shape, the left side has through hole and is communicated with the fluid passage of described lower shell body 16, described push rod 11 belows contact cooperation with described steel ball 12, described push rod 11 tops and described hollow screw 8 Spielpassung, described hollow screw 8 passes described steel disc 17 and realizes being threaded with the nut B7 of steel disc 17 opposite sides, described spring A5 fixes by stabilizing spring pad B6 the below, described stabilizing spring pad B6 contacts with described cored screw, described screw A1 passes described upper shell 3 and holds out against described spring A5 by stabilizing spring pad A4, described screw A1 is threaded with described nut A2, described nut A2 is fixedlyed connected with described upper shell 3, described screw C14 is threaded with described lower shell body 16, and there is sealer the threaded connection place of described screw C14 and described lower shell body 16.
The bottom that described screw C14 passes described lower shell body 16 contacts with described cylindricality tetrafluoro body 15 and described spring B 13; Described steel disc 17 is provided with Tetrafluoro spacer 10 with described upper shell 3, lower shell body 16 and described hollow screw 8 contact segments; There is ripple in described steel disc 17 two ends.
Using process of the present utility model is: fluid flows into from the left side of lower shell body 16, in cylindricality tetrafluoro body 15 enters into the cavity of upper shell 3 and 16 formation of described lower shell body, in cavity flow into the fluid passage, right side of described lower shell body 16, the fluid of inside cavity is upwarded pressure to described steel disc 17 generations, make steel disc 17 integral body to upper process, spring A5 is produced certain pressure shrinks spring A5, under the effect of the elastic restoring force of spring B 13, steel ball 12 integral body are moved upward, with described cylindricality tetrafluoro body 15 tops wedge shape combine closely, suspend the inflow of fluid, realized voltage stabilizing function.
More than be embodiment of the present utility model, but exhausted to restriction of the present utility model.
Claims (4)
1. corrosion protection Middle pressure valve, comprise upper shell (3), lower shell body (16) and voltage stabilizing mechanism, described upper shell (3) and described lower shell body (16) form the cavity of sealing, described voltage stabilizing mechanism is positioned at described inside cavity, it is characterized in that described voltage stabilizing mechanism comprises spring A(5), compression spring B, hollow screw (8), push rod (11), steel ball (12), spring B (13), steel disc (17) and cylindricality tetrafluoro body (15);
The described steel disc (17) that stainless steel is made is divided into two seal chambers up and down with the cavity of described upper shell (3) and described lower shell body (16) formation, the described spring B (13) that stainless steel is made contacts with steel ball (12) and is positioned at described cylindricality tetrafluoro body (15), described cylindricality tetrafluoro body (15) is positioned at the below of described lower shell body (16), described cylindricality tetrafluoro body (15) upper inner is wedge shape, the left side has through hole and is communicated with the fluid passage of described lower shell body (16), the below of the push rod that stainless steel is made (11) contacts cooperation with described steel ball (12), described push rod (11) top and described hollow screw (8) Spielpassung, described hollow screw (8) pass described steel disc (17) and with the nut B(7 of steel disc (17) opposite side) realize being threaded, described spring A(5) below is by stabilizing spring pad B(6) fixing, described stabilizing spring pad B(6) contacts with described cored screw, described screw A(1) pass described upper shell (3) by stabilizing spring pad A(4) hold out against described spring A(5), described screw A(1) with described nut A(2) be threaded, described nut A(2) fixedlys connected with described upper shell (3), described screw C(14) being threaded described screw C(14 with described lower shell body (16)) bottom of passing described lower shell body (16) contacts with described cylindricality tetrafluoro body (15) and described spring B (13).
2. corrosion protection Middle pressure valve according to claim 1 is characterized in that, described screw C(14) and the threaded connection place of described lower shell body (16) sealer is arranged.
3. corrosion protection Middle pressure valve according to claim 1 is characterized in that, described steel disc (17) is provided with Tetrafluoro spacer (10) with described upper shell (3), lower shell body (16) and described hollow screw (8) contact segment.
4. corrosion protection Middle pressure valve according to claim 1 is characterized in that, there is ripple in described steel disc (17) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320102133 CN203131145U (en) | 2013-03-06 | 2013-03-06 | Anti-corrosion middle pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320102133 CN203131145U (en) | 2013-03-06 | 2013-03-06 | Anti-corrosion middle pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203131145U true CN203131145U (en) | 2013-08-14 |
Family
ID=48939125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320102133 Expired - Fee Related CN203131145U (en) | 2013-03-06 | 2013-03-06 | Anti-corrosion middle pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203131145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673900A (en) * | 2016-02-23 | 2016-06-15 | 上海井和海船用阀门有限公司 | Air reducing valve used for ships |
| CN116441128A (en) * | 2023-03-11 | 2023-07-18 | 苏州迪泰奇自动化科技有限公司 | Mechanical diaphragm type pressure stabilizing device |
-
2013
- 2013-03-06 CN CN 201320102133 patent/CN203131145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673900A (en) * | 2016-02-23 | 2016-06-15 | 上海井和海船用阀门有限公司 | Air reducing valve used for ships |
| CN116441128A (en) * | 2023-03-11 | 2023-07-18 | 苏州迪泰奇自动化科技有限公司 | Mechanical diaphragm type pressure stabilizing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203131145U (en) | Anti-corrosion middle pressure valve | |
| CN204691741U (en) | High sulfur resistive gas wellhead equipment | |
| CN203453514U (en) | Novel pneumatic minimum flow rate valve | |
| CN104930214A (en) | Rapid installation type high pressure floating ball valve | |
| CN203868394U (en) | Novel extension-bar ball valve | |
| CN203082228U (en) | High temperature-resistant and corrosion-resistant sealing structure of stop valve | |
| CN202176778U (en) | Self-operated pressure regulating valve in soft sealing structure | |
| CN203948666U (en) | There is the stop valve of double-level-metal seal bellows | |
| CN203395210U (en) | High-reliability two-way hard sealed butterfly valve | |
| CN203297659U (en) | Hard-sealing and high-temperature ball valve | |
| CN203115161U (en) | One-piece type internal thread ball valve | |
| CN202451110U (en) | Wellhead one-way valve | |
| CN206268498U (en) | A kind of valve seat construction of bidirectional metal hard-sealing floating ball valve | |
| CN203488817U (en) | Welded and fixed ball valve | |
| CN201723767U (en) | Floating ball valve | |
| CN205859212U (en) | A kind of Q347 forged steel fixing ball valve | |
| CN204062141U (en) | A kind of H type valve seat shape metallic leak-proof structure | |
| CN205207757U (en) | Simple and convenient online fixed ball valve of maintenance upper assembling type of changing | |
| CN203836258U (en) | Low-temperature liquefied natural gas line gate valve | |
| CN205013739U (en) | Upper assembling type ball ball valve that floats | |
| CN204164452U (en) | The two diaphragm type steam reducing valve of a kind of type pilot | |
| CN205423869U (en) | Rivers control valve | |
| CN202580092U (en) | Novel high-temperature and high-pressure ball valve | |
| CN202597754U (en) | Ball valve structure | |
| CN103470805A (en) | Top-installation ball valve with adjustable valve seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140306 |