CN212672495U - Dump valve - Google Patents
Dump valve Download PDFInfo
- Publication number
- CN212672495U CN212672495U CN202020922900.2U CN202020922900U CN212672495U CN 212672495 U CN212672495 U CN 212672495U CN 202020922900 U CN202020922900 U CN 202020922900U CN 212672495 U CN212672495 U CN 212672495U
- Authority
- CN
- China
- Prior art keywords
- valve
- bolt
- clack
- cavity
- core seat
- 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.)
- Active
Links
Images
Landscapes
- Taps Or Cocks (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to a dump valve, which comprises a valve core seat, a ball, a bolt, a valve clack and a spring; a valve cavity is arranged in the valve core seat, and a vent hole is arranged at the bottom of the valve core seat; the bolt is arranged in the valve cavity, and the bottom end of the bolt penetrates through the vent hole and is connected with the valve clack; the top surface of the valve clack is matched with the bottom surface of the valve core seat, and the valve clack moves up and down along with the bolt and is used for sealing or opening the vent hole; the spring is matched with the bolt and used for providing power for the bolt to move upwards; the ball is pressed and the bolt cooperation realizes opening and sealing the air vent. The utility model provides a dump valve drives the valve clack and opens the blow vent or sealed leak protection in the outside of case seat through the gravity of pressure ball, the elasticity cooperation bolt of spring, realizes empting the leak-proof function, simple structure, and the action is sensitive, and the rate of accuracy is high, and the stifled probability of mistake when greatly reducing the non-empting satisfies customer's user demand.
Description
Technical Field
The utility model relates to a mechanical valve field especially relates to a dump valve.
Background
A dump valve, also called an anti-dumping valve, is generally used for a fuel engine and is used for supplying air and maintaining an air passage under a normal state; when the fuel is toppled, the fuel is blocked in time, and the fuel is prevented from leaking. The existing dumping valves mostly adopt a steel ball and a floater, and when the dumping valve is dumped, the steel ball jacks up the floater to plug the air inlet pipe, so that the plugging is realized, and the oil leakage is prevented. However, the steel ball can be blocked only by the float, the use of the float increases the complexity of the structure on one hand, and on the other hand, the wrong operation rate is high, so that the steel ball can still be blocked when not toppled over, and the actual use of a customer is influenced.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a dump valve drives the valve clack and opens the blow vent or sealed leak protection in the outside of case seat through the gravity of pressure ball, the elasticity cooperation bolt of spring, realizes empting the leak protection function, simple structure, and the action is sensitive, and the rate of accuracy is high, and the stifled probability of mistake when greatly reducing the non-empting satisfies customer's user demand.
The utility model provides a technical scheme that its technical problem adopted is: a dump valve comprises a valve core seat, a ball, a bolt, a valve clack and a spring; a valve cavity is arranged in the valve core seat, and a vent hole is arranged at the bottom of the valve core seat; the bolt is arranged in the valve cavity, and the bottom end of the bolt penetrates through the vent hole and is connected with the valve clack; the top surface of the valve clack is matched with the bottom surface of the valve core seat, and the valve clack moves up and down along with the bolt and is used for sealing or opening the vent hole; the spring is matched with the bolt and used for providing upward moving power for the bolt; the pressure ball is matched with the bolt and is used for pressing the bolt to enable the bolt to move downwards under a normal state, so that the valve clack is separated from the valve core seat, and the vent hole is opened; and the valve core is also used for being separated from the bolt in a dumping state, so that the bolt moves upwards under the action of the spring, and the valve clack is matched with the valve core seat to seal the vent hole.
Furthermore, a vent cover is fixed at the top of the valve core seat; the vent cover is provided with an air inlet passage communicated with the valve cavity.
Further, the air inlet passage comprises an air outlet communicated with the valve cavity and an air inlet interface communicated with an air source.
Furthermore, a bearing part is arranged at the top end of the plug pin; under normal condition, the pressure ball presses on the pressure-bearing part.
Furthermore, an annular groove is formed in the position where the bottom end of the plug pin is connected with the valve clack; the valve clack is connected with the bolt in a mode of being embedded in the annular groove.
Further, the valve cavity comprises a lower valve cavity; the bolt is arranged in the lower valve cavity, and the inner wall of the lower valve cavity is used for guiding the pressure-bearing part of the bolt.
Further, the valve cavity also comprises an upper valve cavity; the upper valve cavity forms an accommodating cavity for pressing the ball in a toppling state.
Furthermore, an arc-shaped flaring part is arranged between the upper valve cavity and the lower valve cavity and is used for enabling the pressing ball to rapidly enter the upper valve cavity when the pressing ball topples over.
Further, an arc-shaped elastic sealing element is further arranged on the periphery of the valve clack; the top surface of the elastic sealing element is higher than the top surface of the valve clack; the elastic sealing element is used for sealing the valve clack in advance under the action of the spring in a dumping state, and further forms double sealing with the valve clack.
Furthermore, a sealing installation sleeve is further sleeved on the outer wall side of the upper valve cavity, and the dump valve is installed on an air inlet of the oil supply equipment through the sealing installation sleeve.
The utility model has the advantages that: the utility model discloses a dumping valve, through the gravity of the pressure ball, the elasticity of the spring cooperates with the bolt to drive the valve clack to open the vent or seal the leak protection outside the valve core seat, realize the function of dumping leak protection; the structure is simple, and the action is sensitive; the action mode has high accuracy, and the probability of mistaken blockage during non-toppling is greatly reduced; under the action of the elastic force of the spring, when the pressing ball presses the plug pin, an air inlet channel is still reserved between the pressing ball and the valve core seat, so that smooth air inlet in a normal state is ensured; the valve clack can rapidly seal and open the air vent, and an elastic sealing element is added to realize double sealing; the valve clack and the elastic sealing element are integrated into a rubber piece, so that the valve clack is convenient to process and assemble; overall structure is novel, and convenient to use satisfies customer's user demand.
Drawings
FIG. 1 is a schematic perspective view of a dump valve according to an embodiment;
FIG. 2 is a schematic view showing the internal structure of a dump valve according to the embodiment in a normal state;
fig. 3 is a schematic view showing the internal structure of a pouring valve according to the embodiment in a pouring state.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
Examples
As shown in fig. 1 to 3, the present embodiment provides a dump valve, which includes a valve core seat 1, a ball 4, a latch 5, a valve flap 6, and a spring 7; a valve cavity is arranged in the valve core seat 1, and a vent hole 10 is arranged at the bottom of the valve core seat 1; the bolt 5 is arranged in the valve cavity, and the bottom end of the bolt penetrates through the vent hole 10 and then is connected with the valve clack 6; the top surface of the valve clack 6 is matched with the bottom surface of the valve core seat 1, and the valve clack 6 moves up and down along with the bolt and is used for sealing or opening the vent hole 10; the spring 7 is matched with the bolt 5 and used for providing power for the bolt 5 to move upwards; the pressure ball 4 is matched with the bolt 5 and is used for pressing the bolt 5 under a normal state to enable the bolt 5 to move downwards, so that the valve clack 6 is separated from the valve core seat 1, and the vent hole 10 is opened; and the valve core is also used for being separated from the bolt in a dumping state, so that the bolt 5 moves upwards under the action of the spring 7, and the valve clack 6 is matched with the valve core seat 1 to seal the vent hole 10.
In the pouring valve of the embodiment, a vent cover 12 is further fixed on the top of the valve core seat; the vent cover 12 is provided with an air inlet passage communicated with the valve cavity; the air inlet passage comprises an air outlet 13 communicated with the valve cavity and an air inlet interface 14 communicated with an air source.
In the dump valve of the embodiment, a pressure bearing part 8 is arranged at the top end of the bolt 5; in a normal state, the pressing ball presses the bearing part 8; an annular groove 9 is formed in the position where the bottom end of the bolt 5 is connected with the valve clack 6; the valve flap 6 is connected to the plug 5 by being inserted into an annular groove 9.
In a dump valve of the present embodiment, the valve chamber includes a lower valve chamber 2; the bolt 5 is arranged in the lower valve cavity 2, and the inner wall of the lower valve cavity 2 is used for guiding the bearing part 8 of the bolt 5; the valve cavity also comprises an upper valve cavity 3; the upper valve cavity 3 forms an accommodating cavity for pressing balls in an inclined state; an arc-shaped part 12 in a flaring shape is further arranged between the upper valve cavity 3 and the lower valve cavity 2 and is used for enabling the pressing balls to rapidly enter the upper valve cavity 3 when the pressing balls topple over.
In the dump valve of the present embodiment, an arc-shaped elastic sealing member 11 is further provided on the outer periphery of the valve flap 6; the top surface of the elastic sealing element is higher than the top surface of the valve clack 6; the elastic sealing element 11 is used for sealing the valve clack 6 and the valve core seat 1 in advance under the action of a spring in a dumping state, and further forms double sealing with the valve clack 6.
In the dump valve of the present embodiment, a sealing mounting sleeve 15 is further sleeved on the outer wall side of the upper valve cavity 3, and the dump valve is mounted on the air inlet of the oil supply device through the sealing mounting sleeve 15.
As shown in fig. 2 and 3, in use, the dump valve of the present embodiment is mounted on an air inlet of an oil supply device (e.g., an oil can) through a sealing mounting sleeve 15, so that the dump valve is in sealing connection with the oil supply device, and an air inlet port of a vent cover of the dump valve is communicated with an air source; under a normal state, the pressure ball presses on the pressure bearing part of the plug pin by means of self gravity, so that the bottom end of the plug pin drives the valve clack to be separated from the valve core seat, the vent is opened, and at the moment, the spring is in a compressed state; the gas enters the valve cavity from the vent cover, passes through the gap between the pressure ball and the valve core seat, and is discharged out of the vent hole from the gap between the bolt and the vent hole to complete normal gas supply; and in case when taking place to empty the dangerous state, the pressure ball takes place to incline, reduces to the pressure of spring, and under the reaction force of spring, the pressure ball is by quick leading-in the valve chamber, and the bolt is under the effect of spring, and quick pull-back, the valve clack is sealed with the valve core seat under the effect of bolt, and then makes the air vent seal, accomplishes the leak protection under the state of empting.
According to the dumping valve, the valve clack is driven by the gravity of the pressure ball and the elasticity of the spring to match with the bolt to open, ventilate or seal and prevent leakage of the vent at the outer side of the valve core seat, so that the dumping and leakage preventing functions are realized; the structure is simple, and the action is sensitive; the action mode has high accuracy, and the probability of mistaken blockage during non-toppling is greatly reduced; under the action of the elastic force of the spring, when the pressing ball presses the plug pin, an air inlet channel is still reserved between the pressing ball and the valve core seat, so that smooth air inlet in a normal state is ensured; the valve clack can rapidly seal and open the air vent, and an elastic sealing element is added to realize double sealing; the valve clack and the elastic sealing element are integrated into a rubber piece, so that the valve clack is convenient to process and assemble; overall structure is novel, and convenient to use satisfies customer's user demand.
The above-mentioned embodiments should not limit the present invention in any way, and all the technical solutions obtained by adopting equivalent replacement or equivalent conversion fall within the protection scope of the present invention.
Claims (10)
1. A dump valve characterized by: comprises a valve core seat, a pressing ball, a bolt, a valve clack and a spring;
a valve cavity is arranged in the valve core seat, and a vent hole is formed in the bottom of the valve core seat;
the bolt is arranged in the valve cavity, and the bottom end of the bolt penetrates through the vent hole and is connected with the valve clack;
the top surface of the valve clack is matched with the bottom surface of the valve core seat, and the valve clack moves up and down along with the bolt and is used for sealing or opening the vent hole;
the spring is matched with the bolt and used for providing upward moving power for the bolt;
the pressure ball is matched with the bolt and is used for pressing the bolt to enable the bolt to move downwards under a normal state, so that the valve clack is separated from the valve core seat, and the vent hole is opened; and the valve core is also used for being separated from the bolt in a dumping state, so that the bolt moves upwards under the action of the spring, and the valve clack is matched with the valve core seat to seal the vent hole.
2. The pouring valve according to claim 1, wherein: a vent cover is fixed at the top of the valve core seat; the vent cover is provided with an air inlet passage communicated with the valve cavity.
3. A pouring valve according to claim 2, characterized in that: the air inlet passage comprises an air outlet communicated with the valve cavity and an air inlet interface communicated with an air source.
4. The pouring valve according to claim 1, wherein: the top end of the bolt is provided with a bearing part; under normal condition, the pressure ball presses on the pressure-bearing part.
5. The pouring valve according to claim 4, wherein: an annular groove is formed in the position where the bottom end of the plug pin is connected with the valve clack; the valve clack is connected with the bolt in a mode of being embedded in the annular groove.
6. The pouring valve according to claim 5, wherein: the valve cavity comprises a lower valve cavity; the bolt is arranged in the lower valve cavity, and the inner wall of the lower valve cavity is used for guiding the pressure-bearing part of the bolt.
7. The pouring valve according to claim 6, wherein: the valve cavity further comprises an upper valve cavity; the upper valve cavity forms an accommodating cavity for pressing the ball in a toppling state.
8. The pouring valve according to claim 7, wherein: an opening-expanding arc-shaped part is further arranged between the upper valve cavity and the lower valve cavity and is used for enabling the pressing balls to rapidly enter the upper valve cavity when the pressing balls are toppled.
9. The pouring valve according to claim 5, wherein: the periphery of the valve clack is also provided with an arc elastic sealing element; the top surface of the elastic sealing element is higher than the top surface of the valve clack; the elastic sealing element is used for sealing the valve clack in advance under the action of the spring in a dumping state, and further forms double sealing with the valve clack.
10. A pouring valve according to claim 7 or 8, wherein: the outer wall side of going up the valve pocket still overlaps and is equipped with sealed installation cover, the dump valve is installed on oil supply equipment's air inlet through sealed installation cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020922900.2U CN212672495U (en) | 2020-05-27 | 2020-05-27 | Dump valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020922900.2U CN212672495U (en) | 2020-05-27 | 2020-05-27 | Dump valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672495U true CN212672495U (en) | 2021-03-09 |
Family
ID=74813268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020922900.2U Active CN212672495U (en) | 2020-05-27 | 2020-05-27 | Dump valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776848A (en) * | 2022-04-12 | 2022-07-22 | 中机美诺科技股份有限公司 | Vent valve capable of preventing oil gas leakage |
-
2020
- 2020-05-27 CN CN202020922900.2U patent/CN212672495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776848A (en) * | 2022-04-12 | 2022-07-22 | 中机美诺科技股份有限公司 | Vent valve capable of preventing oil gas leakage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212672495U (en) | Dump valve | |
| CN214743375U (en) | Check valve with exhaust structure | |
| CN101718343A (en) | Non-leakage reversible automatic exhaust valve | |
| CN2793466Y (en) | Liquid-resistant valve | |
| CN220151959U (en) | Air tightness one-way valve | |
| CN219300054U (en) | Valve seat sealing structure of air valve | |
| CN2517922Y (en) | Gas automatic stop socket valve | |
| CN218198219U (en) | Tire inflation device | |
| CN211779190U (en) | Integrated one-way control valve of pneumatic winch | |
| CN111022715B (en) | Full-automatic exhaust unloading valve | |
| CN101424353B (en) | Exhaust for gas meter valve | |
| CN221170907U (en) | Screw mouth exhaust valve with micro exhaust structure | |
| WO2022110533A1 (en) | Sealing structure of valve body, valve and cflvv valve | |
| CN221121043U (en) | Liquid check valve | |
| CN218992551U (en) | Pressure relief valve | |
| CN218202190U (en) | Intelligent water tank with overvoltage protection and secondary pollution prevention functions | |
| CN218620333U (en) | Electric oil-well pump with one-way air valve | |
| CN211901762U (en) | Internal control type emergency cut-off valve | |
| CN218093466U (en) | Two-stage self-priming pump | |
| CN219013407U (en) | Sealing device for gas cylinder valve | |
| CN217632855U (en) | Energy-saving automatic drainer | |
| CN218267269U (en) | Air inlet valve of integrated air inlet valve with compact structure | |
| CN202691246U (en) | Fault safety type air volume adjusting valve | |
| CN212615674U (en) | Leakage-free full-automatic exhaust and unloading integrated device for airplane hydraulic system | |
| CN211737413U (en) | Novel air volume regulating valve for reciprocating compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220516 Address after: 350000 room 103 on the west of the first floor of building 7, No. 70, Rujiang East Road, Mawei Town, Mawei District, Fuzhou City, Fujian Province (in the pilot Free Trade Zone) Patentee after: Fuzhou Jingteng Jinggong rubber plastic products Co.,Ltd. Address before: Floor 1, 2nd floor, No.70, East Rujiang Road, Mawei Town, Mawei District, Fuzhou City, Fujian Province 350000 Patentee before: Liu Zubin |