CN214944874U - Built-in hydraulic overload valve for hydraulic diaphragm metering pump - Google Patents
Built-in hydraulic overload valve for hydraulic diaphragm metering pump Download PDFInfo
- Publication number
- CN214944874U CN214944874U CN202121088683.2U CN202121088683U CN214944874U CN 214944874 U CN214944874 U CN 214944874U CN 202121088683 U CN202121088683 U CN 202121088683U CN 214944874 U CN214944874 U CN 214944874U
- Authority
- CN
- China
- Prior art keywords
- valve
- hydraulic
- metering pump
- built
- diaphragm metering
- 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
- Safety Valves (AREA)
Abstract
The utility model relates to a built-in hydraulic pressure overload valve for hydraulic pressure diaphragm metering pump places in the hydraulic pressure diaphragm metering pump in this overload valve, including disk seat, the case of setting in the disk seat, the valve body that links to each other with the disk seat outer wall, the bottom of disk seat is provided with the exhaust import, and inside one-level relief valve and the second grade relief valve of being provided with of cavity that disk seat and valve body are constituteed, still is provided with the control assembly who is used for controlling second grade relief valve pressure release dynamics size on the valve body, is provided with the oil pointer on the control assembly, and the one-level relief valve is located the valve in-core. The utility model discloses an it is integrated as an organic whole with current discharge valve and relief valve, adopt built-in setting to save space greatly, improve the holistic pleasing to the eye degree of product, one-level relief valve and second grade relief valve cooperate and use, ensure that the gas that contains in the hydraulic oil is in time discharged, ensure simultaneously that the pressure in the pump body is in the within range of settlement all the time.
Description
Technical Field
The utility model belongs to the technical field of the measuring pump, concretely relates to built-in hydraulic pressure overload valve for hydraulic pressure diaphragm metering pump.
Background
The metering pump belongs to a reciprocating displacement pump, has the characteristics of high metering precision and stepless regulation of flow, and is widely applied to the industries of chemical industry, environmental protection, petrifaction, thermal power and the like due to the characteristics of excellent corrosion resistance, explosion resistance and the like.
Hydraulic pressure diaphragm type measuring pump is when the operation, hydraulic oil need keep the constant, during the hydraulic oil excess, pressure rise, cause the diaphragm to damage easily, lead to whole pump body to damage when serious, when hydraulic oil lacks, the oil supplementing valve can automatic oil supplementing, the relief valve opens the pressure release when the pressure superpressure, can not contain gas in the hydraulic oil simultaneously, because gas is compressible, consequently, when containing gas in the hydraulic oil, can cause measurement pump flow very little, when containing gas in the hydraulic oil, can be through discharge valve with gaseous discharge usually, current discharge valve and relief valve are two parts usually, this kind of setting, occupation space is great, discharge valve and relief valve all stand out in the pump body outside simultaneously, influence the whole pleasing to the eye degree of product.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a built-in hydraulic pressure overload valve for hydraulic pressure diaphragm metering pump, this overload valve integrated relief valve and discharge valve are as an organic whole, save space, improve the whole pleasing to the eye degree of product.
The utility model discloses a following technical scheme realizes:
the built-in hydraulic overload valve for the hydraulic diaphragm metering pump is characterized in that the overload valve is built in the hydraulic diaphragm metering pump and comprises a valve seat, a valve core and a valve body, wherein the valve core is arranged in the valve seat, the valve body is connected with the outer wall of the valve seat, an exhaust inlet is formed in the bottom of the valve seat, a first-stage pressure release valve and a second-stage pressure release valve are arranged in a cavity formed by the valve seat and the valve body, a control assembly used for controlling the pressure release strength of the second-stage pressure release valve is further arranged on the valve body, an oil pointer is arranged on the control assembly, and the first-stage pressure release valve is located in the valve core. And for a small amount of gas, a first-stage pressure release valve is adopted for exhausting, and a second-stage pressure release valve is opened for releasing pressure when the pressure in the pump body is over-pressure.
Furthermore, the primary pressure release valve comprises a ventilation valve core correspondingly arranged in the exhaust inlet direction, a ventilation valve rod upwards extended from the ventilation valve core, and a ventilation valve ball arranged on the outlet at the top end of the ventilation valve rod, wherein a spring is arranged in the ventilation valve rod.
Furthermore, the bottom of the ventilation valve core is provided with an elastic retainer ring for holes.
Further, the second-stage pressure release valve comprises a guide ventilation rod and a ventilation valve spring sleeved on the guide ventilation rod, ventilation holes are formed in the upper portion of the guide ventilation rod, and pressure release holes are formed in the positions, corresponding to the lower end of the valve core, of the valve seat.
Furthermore, a spherical gasket is arranged at the joint of the lower end of the guide ventilation rod and the valve core.
Furthermore, spring seats are arranged at the upper end and the lower end of the vent valve spring, and the spring seats are sleeved on the guide vent rod.
Further, the control assembly comprises an adjusting bolt and an adjusting nut, the adjusting bolt is located on the upper portion of the guide ventilation rod, the adjusting nut is in threaded connection with the upper end of the outer wall of the adjusting bolt through a thread pair, and the oil pointer is arranged on the adjusting nut in a threaded connection mode.
The utility model discloses an it is integrated as an organic whole with current discharge valve and relief valve, adopt built-in setting to save space greatly, improve the holistic pleasing to the eye degree of product, one-level relief valve and second grade relief valve cooperate and use, ensure that the gas that contains in the hydraulic oil is in time discharged, ensure simultaneously that the pressure in the pump body is in the within range of settlement all the time.
Drawings
FIG. 1 is an overall sectional view of the present invention;
in the figure, 1-valve seat, 2-valve core, 3-valve body, 4-exhaust inlet, 5-oil mark, 6-ventilation valve core, 7-ventilation valve rod, 8-ventilation valve ball, 9-spring, 10-hole spring retainer ring, 11-guide ventilation rod, 12-ventilation valve spring, 13-ventilation hole, 14-pressure relief hole, 15-spherical gasket, 16-spring seat, 17-adjusting bolt and 18-adjusting nut.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings so as to better understand the technical solution.
As shown in fig. 1, the utility model relates to a built-in hydraulic pressure overload valve for hydraulic pressure diaphragm metering pump, place hydraulic pressure diaphragm metering pump in this overload valve in, including disk seat 1, case 2 of setting in disk seat 1, the valve body 3 that links to each other with 1 outer wall of disk seat, the bottom of disk seat 1 is provided with exhaust inlet 4, inside one-level relief valve and the second grade relief valve of being provided with of cavity that disk seat 1 and valve body 3 are constituteed, the one-level relief valve mainly used discharges the gas that contains in the hydraulic oil, is used for the pressure release when the second grade relief valve is mainly the internal superpressure of pump, ensures the security that the pump body used.
Continuing to refer to fig. 1, the primary pressure release valve is located in the valve core 2, and specifically comprises a ventilation valve core 6 correspondingly arranged in the direction of the exhaust inlet 4, a ventilation valve rod 7 extending upwards from the ventilation valve core 6, and a ventilation valve ball 8 arranged on an outlet at the top end of the ventilation valve rod 7, wherein a spring 9 is arranged in the ventilation valve rod 7; second grade relief valve includes direction ventilative pole 11 and cup joints the breather valve spring 12 of setting on direction ventilative pole 11, the upper and lower both ends of breather valve spring 12 all are provided with spring holder 16, spring holder 16 cup joints the setting on direction ventilative pole 11, the upper portion of this direction ventilative pole 11 is provided with the bleeder vent 13 that is used for gas outgoing, this bleeder vent 13 realizes gaseous discharge in the hydraulic oil with the cooperation of breather valve ball 8, 2 lower extreme position departments of the corresponding case of disk seat 1 are provided with pressure release hole 14, pressure release hole 14 and the cooperation of case 2, realize the pressure release. In order to improve the flexibility of use and reduce friction, the bottom of the ventilation valve core 6 is provided with an elastic check ring 10 for holes and a spherical gasket 15 is arranged at the joint of the lower end of the guide ventilation rod 11 and the valve core 2.
In order to adjust the difficulty of the pressure discharge in the pump body, a control assembly used for controlling the pressure relief strength of the secondary pressure relief valve is further arranged on the valve body 3 and comprises an adjusting bolt 17 and an adjusting nut 18, the adjusting bolt 17 is positioned on the upper portion of the guide ventilation rod 11, the adjusting nut 18 is in threaded connection with the upper end of the outer wall of the adjusting bolt 17 through a thread pair, an oil pointer 5 is arranged on the control assembly, and the oil pointer 5 is specifically screwed on the adjusting nut 18. Through screwing the adjusting union cap 18, the adjusting bolt 17 moves up and down under the action of the thread pair, so that the tightness of the vent valve spring 12 in a compressed state is adjusted, the pressure of the spring is adjusted, and the difficulty of pressure relief is further realized.
The utility model discloses during the operation, when containing gas in the hydraulic oil, through shifting up of ventilative case 6, drive ventilative valve rod 7 and shift up, compression spring 9, ventilative ball valve 8 moves up for gas gets into direction ventilative pole 11, finally discharges from bleeder vent 13, when the superpressure in the pump body, through the whole of case 2 shift up, make gas discharge from pressure release hole 14, the overload valve of this kind of integrated form can effectively reduce the volume of product, saves space, reduce cost.
Claims (7)
1. The utility model provides a built-in hydraulic pressure overload valve for hydraulic pressure diaphragm metering pump, place hydraulic pressure diaphragm metering pump in its characterized in that should transship in the valve in, including disk seat (1), case (2) of setting in disk seat (1), valve body (3) continuous with disk seat (1) outer wall, the bottom of disk seat (1) is provided with exhaust inlet (4), and inside one-level relief valve and the second grade relief valve of being provided with of cavity that disk seat (1) and valve body (3) are constituteed, still be provided with the control assembly who is used for controlling second grade relief valve pressure release dynamics size on valve body (3), the last oil pointer (5) that is provided with of control assembly, the one-level relief valve is located case (2).
2. The built-in hydraulic overload valve for the hydraulic diaphragm metering pump according to claim 1, wherein the primary pressure relief valve comprises a ventilation valve core (6) correspondingly arranged in the direction of the exhaust inlet (4), a ventilation valve rod (7) extending upwards from the ventilation valve core (6), and a ventilation valve ball (8) arranged on an outlet at the top end of the ventilation valve rod (7), and a spring (9) is arranged in the ventilation valve rod (7).
3. The built-in hydraulic overload valve for the hydraulic diaphragm metering pump as recited in claim 2, characterized in that the bottom of the gas permeable spool (6) is provided with a circlip (10) for holes.
4. The built-in hydraulic overload valve for the hydraulic diaphragm metering pump according to claim 1, wherein the secondary pressure relief valve comprises a guide air-permeable rod (11) and an air-permeable valve spring (12) sleeved on the guide air-permeable rod (11), an air-permeable hole (13) is formed in the upper portion of the guide air-permeable rod (11), and a pressure relief hole (14) is formed in the position, corresponding to the lower end of the valve core (2), of the valve seat (1).
5. The built-in hydraulic overload valve for the hydraulic diaphragm metering pump as claimed in claim 4, characterized in that the joint of the lower end of the guide gas-permeable rod (11) and the valve core (2) is provided with a spherical gasket (15).
6. The built-in hydraulic overload valve for the hydraulic diaphragm metering pump according to claim 4, characterized in that the upper and lower ends of the vent valve spring (12) are provided with spring seats (16), and the spring seats (16) are sleeved on the guide vent rod (11).
7. The built-in hydraulic overload valve for the hydraulic diaphragm metering pump is characterized in that the control assembly comprises an adjusting bolt (17) and an adjusting nut (18), the adjusting bolt (17) is positioned at the upper part of the guide ventilating rod (11), the adjusting nut (18) is in threaded connection with the upper end of the outer wall of the adjusting bolt (17) through a thread pair, and the oil pointer (5) is in threaded connection with the adjusting nut (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088683.2U CN214944874U (en) | 2021-05-20 | 2021-05-20 | Built-in hydraulic overload valve for hydraulic diaphragm metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088683.2U CN214944874U (en) | 2021-05-20 | 2021-05-20 | Built-in hydraulic overload valve for hydraulic diaphragm metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944874U true CN214944874U (en) | 2021-11-30 |
Family
ID=79061943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121088683.2U Active CN214944874U (en) | 2021-05-20 | 2021-05-20 | Built-in hydraulic overload valve for hydraulic diaphragm metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214944874U (en) |
-
2021
- 2021-05-20 CN CN202121088683.2U patent/CN214944874U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10273980B2 (en) | Liquid seal energy-accumulator and hydraulic system thereof based on liquid-collector and sandwich piston | |
| CN100582484C (en) | Internal circulation pressure balance ultra high pressure hydralic diaphram type metering pump | |
| CN106090402A (en) | A kind of driving means based on gas-liquid cluster spring and valve actuator | |
| EP2722575B1 (en) | Gas spring accumulator | |
| CN201705749U (en) | Hydraulic control flow valve provided with overflow valve plug-in unit and pressure compensation plug-in unit | |
| NO343289B1 (en) | Guide element for applications in a valve actuator assembly | |
| CN100392256C (en) | Hydraulic system oil tank liquid low-pressure supercharging device | |
| CN214944874U (en) | Built-in hydraulic overload valve for hydraulic diaphragm metering pump | |
| CN110159811B (en) | Pressure regulating overflow valve of high-pressure pump | |
| CN203067877U (en) | Pressure reducing valve | |
| CN108679144B (en) | Automotive suspension and pilot type semi-active damper thereof | |
| CN208236788U (en) | A kind of accumulator monitoring piston displacement | |
| CN109780291A (en) | Anti- siphon valve | |
| CN206478275U (en) | A kind of automatic constant-pressure type pressure-reducing valve | |
| CN205978747U (en) | Drive arrangement and valve actuator based on gas -liquid combined spring | |
| CN203809748U (en) | Membrane ejecting rod and elastic membrane sliding device of vehicle natural gas pressure reducing valve | |
| CN208749708U (en) | A kind of two-way unidirectional sequence valve arrangement | |
| CN202251184U (en) | Control cover plate with pressure reduction function | |
| CN218236332U (en) | Pneumatic control structure of valve | |
| CN207406862U (en) | A kind of piston piloted reducer | |
| CN201013571Y (en) | Septum compressor oil compensating system | |
| CN216479136U (en) | Novel pressure reducing valve for high-pressure hydrogen | |
| CN2460810Y (en) | Full-sealed no-leakage multipurpose valve | |
| CN204226321U (en) | A kind of secondary loads control valve relief function being integrated in pilot valve | |
| CN116181942B (en) | Self-adaptive pressure regulating valve body for gas upstream and downstream pipelines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |