CN210219267U - Electric grease lubricating pump with automatic unloading valve - Google Patents

Electric grease lubricating pump with automatic unloading valve Download PDF

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Publication number
CN210219267U
CN210219267U CN201920872148.2U CN201920872148U CN210219267U CN 210219267 U CN210219267 U CN 210219267U CN 201920872148 U CN201920872148 U CN 201920872148U CN 210219267 U CN210219267 U CN 210219267U
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CN
China
Prior art keywords
valve
pump
unloading
oil storage
motor
Prior art date
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Active
Application number
CN201920872148.2U
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Chinese (zh)
Inventor
Yunyao Fu
傅云尧
Qiyou Zeng
曾奇有
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHUJI HUABEI LUBRICATION MACHINERY Co Ltd
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ZHUJI HUABEI LUBRICATION MACHINERY Co Ltd
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Priority to CN201920872148.2U priority Critical patent/CN210219267U/en
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Publication of CN210219267U publication Critical patent/CN210219267U/en
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Abstract

The utility model discloses an electric grease lubricating pump with an automatic unloading valve, which comprises an oil storage barrel, a motor, a pump body, an unloading valve, a support and a valve groove, wherein the bottom of the oil storage barrel is provided with the pump body which is communicated with the oil storage barrel, the side edge of the oil storage barrel is provided with the motor, the output end of the motor is in transmission connection with the pump body, the side edge of the pump body is provided with the valve groove, the unloading valve is arranged in the valve groove and comprises a valve plug, a spring seat, a valve seat, a steel ball and an unloading spring, the valve seat is arranged in the valve groove, the valve groove port is engaged and clamped with the valve plug, the valve plug and the valve seat are internally provided with the spring seat in a sliding way, the electric grease lubricating pump realizes the pressure balance control in the pump body through the action of a high-pressure oil circuit and the steel ball which is elastically arranged, the structural complexity of the device is reduced, and the production cost is saved.

Description

Electric grease lubricating pump with automatic unloading valve
Technical Field
The utility model relates to a grease lubrication pump technical field specifically is an electronic grease lubrication pump with automatic off-load valve.
Background
At present, in a plurality of small centralized grease lubricating systems, the electric miniature grease pump used as a lubricating pump source is characterized by small displacement, high pressure and high stroke frequency. Structurally, an oil pressing device is arranged in an oil drum, an oil level switch, a pressure regulating valve, a two-position two-way electromagnetic valve and the like are arranged at the top of the oil drum, a working medium is viscous grease, when the grease is used for a pressurized quantitative centralized lubricating system, an automatic pressure relief mechanism is required, the pressure regulating valve is generally adopted for pressure regulation of an existing grease lubricating pump, but the structure is complex, and the production complexity and the production cost of increased equipment are reduced. To this end, we propose an electric grease lubrication pump with an automatic unloading valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an electric grease lubricating pump with simple structure and stable pressure control, which comprises an oil storage barrel, a motor, a pump body, an unloading valve, a support and a valve slot, wherein the pump body is arranged at the bottom of the oil storage barrel, the pump body is communicated with the oil storage barrel, the side edge of the oil storage barrel is provided with a motor, the output end of the motor is in transmission connection with the pump body, the side edge of the pump body is provided with a valve groove, an unloading valve is arranged in the valve groove and comprises a valve plug, a spring seat, a valve seat, a steel ball and an unloading spring, the valve seat is arranged in the valve groove, and the valve plug is engaged with the valve groove port, a spring seat is slidably mounted in the valve plug and the valve seat, an unloading spring is sleeved outside the spring seat, and the spring seat is elastically connected with the valve plug through an unloading spring, and the end part of the spring seat, which is positioned at the corresponding position of the through hole of the valve seat, is clamped with a steel ball.
Preferably, a speed reducer is installed at the position of the output shaft of the motor, and the motor is in transmission connection with the pump body through the speed reducer.
Preferably, an exhaust valve is installed at the center of the top of the oil storage barrel.
Preferably, the bottom of the pump body is symmetrically fixed with a support.
Preferably, a sealing ring is sleeved and fixed on the outer side of the valve seat.
The utility model has the advantages that: the pump body is driven by the motor to work, lubricating oil in the oil storage barrel is guided, the unloading valve ensures that the working pressure in the pump body is in a safe range, when the pressure in the pump body is too high, oil extrudes the steel ball, the steel ball overcomes the elastic force of the spring seat to push the spring seat, a pressure relief passage is opened, when the pressure in the pump body is restored to a safe value, the spring seat is reset through the elastic force of the unloading spring, the pressure relief oil way is blocked by the extrusion steel ball, the electric grease lubrication pump realizes pressure balance control in the pump body through the action of the high-pressure oil way and the elastically-mounted steel ball, the working safety is improved, the traditional pressure regulating valve is changed by the unloading valve, the structure is simpler, the structural complexity of the device is reduced, and.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the unloading valve of the present invention.
In the figure: 1. an oil storage barrel; 2. a motor; 3. a pump body; 4. an unloading valve; 5. a support; 6. a valve spool; 7. valve plugging; 8. a spring seat; 9. a valve seat; 10. a seal ring; 11. a steel ball; 12. a relief spring; 13. a speed reducer; 14. and (4) exhausting the valve.
Detailed Description
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in fig. 1-2, an electric grease lubrication pump with an automatic unloading valve comprises an oil storage barrel 1, a motor 2, a pump body 3, an unloading valve 4, a support 5 and a valve groove 6, wherein the pump body 3 is installed at the bottom of the oil storage barrel 1, the pump body 3 is communicated with the oil storage barrel 1, the motor 2 is installed on the side edge of the oil storage barrel 1, the output end of the motor 2 is in transmission connection with the pump body 3, the valve groove 6 is opened on the side edge of the pump body 3, the unloading valve 4 is installed in the valve groove 6, the unloading valve 4 comprises a valve plug 7, a spring seat 8, a valve seat 9, a steel ball 11 and an unloading spring 12, the valve seat 9 is installed inside the valve groove 6, the valve plug 7 is engaged with the valve seat 7 at the port position of the valve groove 6, the spring seat 8 is installed inside the valve plug 7 and the valve seat 9 in a sliding manner, the unloading spring seat, and a steel ball 11 is clamped at the end part of the spring seat 8 at the corresponding position of the through hole of the valve seat 9.
The speed reducer 13 is installed at the output shaft position of the motor 2, the motor 2 is in transmission connection with the pump body 3 through the speed reducer 13, and the driving work of the pump body 3 is stable through the installation of the speed reducer 13.
The central point of the top of the oil storage barrel 1 is provided with the exhaust valve 14, the exhaust valve 14 is arranged at the top of the oil storage barrel 1, the traditional side wall installation is changed, and the oil leakage condition is avoided.
The bottom of the pump body 3 is symmetrically fixed with a support 5, so that the device is convenient and fast to fix and install.
And a sealing ring 10 is fixedly sleeved on the outer side of the valve seat 9, and the installation sealing performance of the unloading valve 4 is improved by installing the sealing ring 10.
The working principle of the specific embodiment is as follows: the pump body 3 is driven by the motor 2 to work, lubricating oil in the oil storage barrel 1 is guided, the unloading valve 4 ensures that the working pressure in the pump body 3 is in a safe range, when the pressure in the pump body 3 is too high, the oil extrudes the steel ball 11, the steel ball 11 overcomes the elastic force of the spring seat 8 to push the spring seat 8, a pressure relief passage is opened, when the pressure in the pump body 3 is restored to a safe value, the spring seat 8 is reset through the elastic force of the unloading spring 12, and the pressure relief oil passage is blocked by the extruding of the steel ball 11.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims (5)

1. The utility model provides an electronic grease lubricant pump with automatic off-load valve, includes oil storage bucket (1), motor (2), the pump body (3), off-load valve (4), support (5) and valve groove (6), its characterized in that: the pump body (3) is installed to oil storage bucket (1) bottom, and the pump body (3) and oil storage bucket (1) intercommunication, motor (2) are installed to oil storage bucket (1) side, and motor (2) output is connected with the transmission of the pump body (3), valve groove (6) have been seted up to pump body (3) side, and install unloading valve (4) in valve groove (6), unloading valve (4) include valve block (7), spring holder (8), disk seat (9), steel ball (11) and unloading spring (12), valve groove (6) internally mounted has disk seat (9), and valve groove (6) port position meshing joint has valve block (7), valve block (7) and disk seat (9) internally mounted has spring holder (8), spring holder (8) outside cover is equipped with unloading spring (12), and spring holder (8) are through unloading spring (12) and valve block (7) elastic connection, the end part of the spring seat (8) is positioned at the corresponding position of the through hole of the valve seat (9) and is clamped with a steel ball (11).
2. The electric grease lubrication pump with an automatic unloading valve according to claim 1, characterized in that: the output shaft of the motor (2) is provided with a speed reducer (13), and the motor (2) is in transmission connection with the pump body (3) through the speed reducer (13).
3. The electric grease lubrication pump with an automatic unloading valve according to claim 1, characterized in that: an exhaust valve (14) is installed in the center of the top of the oil storage barrel (1).
4. The electric grease lubrication pump with an automatic unloading valve according to claim 1, characterized in that: and the bottom of the pump body (3) is symmetrically fixed with a support (5).
5. The electric grease lubrication pump with an automatic unloading valve according to claim 1, characterized in that: and a sealing ring (10) is fixedly sleeved on the outer side of the valve seat (9).
CN201920872148.2U 2019-06-11 2019-06-11 Electric grease lubricating pump with automatic unloading valve Active CN210219267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920872148.2U CN210219267U (en) 2019-06-11 2019-06-11 Electric grease lubricating pump with automatic unloading valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920872148.2U CN210219267U (en) 2019-06-11 2019-06-11 Electric grease lubricating pump with automatic unloading valve

Publications (1)

Publication Number Publication Date
CN210219267U true CN210219267U (en) 2020-03-31

Family

ID=69931226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920872148.2U Active CN210219267U (en) 2019-06-11 2019-06-11 Electric grease lubricating pump with automatic unloading valve

Country Status (1)

Country Link
CN (1) CN210219267U (en)

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