CN219711777U - Quantitative oil valve of electromagnetic pump - Google Patents
Quantitative oil valve of electromagnetic pump Download PDFInfo
- Publication number
- CN219711777U CN219711777U CN202321041539.2U CN202321041539U CN219711777U CN 219711777 U CN219711777 U CN 219711777U CN 202321041539 U CN202321041539 U CN 202321041539U CN 219711777 U CN219711777 U CN 219711777U
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- valve
- oil
- electromagnetic pump
- sealing
- pressure spring
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- 238000007789 sealing Methods 0.000 claims abstract description 75
- 238000004891 communication Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides an electromagnetic pump quantitative oil valve; the valve comprises an oil valve shell, a sealing terminal, a pressure spring, an oil outlet support and a one-way valve core, wherein an inner hole matched with an electromagnetic pump plunger assembly is formed in a conduit portion of the one-way valve core, a valve hole is formed in the valve body portion, the front portion of the valve hole is conical, the front tip of the conical valve hole is communicated with the rear portion of the conduit portion through a communication port, the oil outlet support is fixed with the rear portion of the oil valve shell through riveting, an oil outlet is formed in the oil outlet support, the oil outlet of the oil outlet support and the valve hole of the one-way valve core jointly form a one-way chamber of the quantitative oil valve, the front end of the pressure spring abuts against the sealing terminal, the front end of the sealing terminal is matched with the side wall of the conical surface of the front portion of the valve hole, and the rear end of the pressure spring abuts against the cavity wall of the rear portion of the upper one-way chamber. The one-way valve core adopts an integral structure, has high production efficiency and stable structure, effectively avoids the risk of unstable electromagnetic pump flow caused by loose split type sealing, and reduces relevant assembly processing procedures.
Description
Technical Field
The utility model relates to a quantitative oil valve of an electromagnetic pump.
Background
The electromagnetic pump quantitative oil valve is an automatic oil distributing device, and has the main advantages of being capable of stably and accurately providing required oil quantity. However, the existing metering oil valve has the following disadvantages: 1. the maintenance cost is high: the metering oil valve is composed of a plurality of parts, so that maintenance and replacement are required frequently, and the maintenance and management cost of equipment is increased; 2. complex and vulnerable: the metering oil valve contains many mechanical parts that are easily damaged, such as pistons and sealing rings, etc., which reduce its reliability and durability.
The utility model with the application number of CN202211179585.9 relates to the technical field of engineering machinery, in particular to an oil return valve body of a hydraulic constant displacement pump of an excavator, which comprises an oil return valve body, wherein the top end of the oil return valve body is provided with a first mounting flange, the top end of the first mounting flange is provided with a second mounting flange, the top end of the second mounting flange is provided with a valve cover, the right side surface of the oil return valve body is provided with a right connecting disc, and the left side surface of the oil return valve body is provided with a left connecting disc. According to the oil return valve, the telescopic cylinder can drive the stabilizing ring and the stabilizing plate to ascend, the telescopic rod pushes the sealing plate to the surface of the mounting ring, so that the oil inlet is sealed, the oil inlet is sealed to a certain extent, the residual oil in the oil return valve body can directly flow into the oil tank through the return port, the pressure in the oil return valve body is reduced, and therefore pressure relief can be achieved rapidly.
However, the technical solution described in the above patent still has the drawbacks associated with the existing quantitative oil valve, such as complexity, easy damage, high maintenance cost, etc.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to provide an electromagnetic pump quantitative oil valve, which solves the problems in the prior art:
(1) Aiming at the high maintenance cost in the prior art, the electromagnetic pump quantitative oil valve can be simplified in structure, and the purposes of one-way and quantitative are realized by using fewer parts.
(2) To the complicated fragile problem of sealing terminal and connection structure among the prior art, this electromagnetic pump ration oil valve can need two kinds of structures, and convenient change also easily follow-up maintenance.
2. Technical proposal
In order to achieve the above purpose, the present utility model provides the following technical solutions:
in order to solve the technical problems, the utility model provides an electromagnetic pump quantitative oil valve;
the valve comprises an oil valve shell, a sealing terminal, a pressure spring, an oil outlet support and a one-way valve core, wherein the one-way valve core is fixedly arranged in the oil valve shell, the one-way valve core comprises a conduit part at the front side and a valve body part at the rear side, an inner hole matched with an electromagnetic pump plunger assembly is formed in the conduit part, a valve hole is formed in the valve body part, the front part of the valve hole is conical, the front tip of the conical valve hole is communicated with the rear part of the conduit part through a communication port, the oil outlet support is fixedly riveted with the rear part of the oil valve shell, an oil outlet is formed in the oil outlet support, the oil outlet of the oil outlet support and the valve hole of the one-way valve core jointly form a one-way chamber of the quantitative oil valve, the sealing terminal and the pressure spring are both arranged in the one-way chamber, the front end of the pressure spring is propped against the sealing terminal, the front end of the sealing terminal is matched with the side wall of the conical surface at the front part of the valve hole, and the rear end of the pressure spring is propped against the wall at the rear part of the upper one-way chamber.
Preferably, the electromagnetic pump quantitative oil valve has an integrated structure of the conduit portion and the valve body portion of the one-way valve element.
As the electromagnetic pump quantitative oil valve, the oil outlet bracket is matched with the rear part of the oil valve shell through a sealing ring.
As the electromagnetic pump quantitative oil valve, preferably, the sealing terminal is a steel ball, and the side wall at the front part of the steel ball is matched with the side wall of the conical surface at the front part of the valve hole.
As this electromagnetic pump ration oil valve preferably, seal terminal includes sealing part and fixed part, and sealing part is in the front side of fixed part, sealing part front side wall is circular-arc, and sealing part front side wall and the anterior conical surface lateral wall cooperation of valve opening, and the external diameter of fixed part is less than sealing part's the biggest external diameter, the rear end face of fixed part extends there is a plurality of gag levers, and sealing terminal is in the length of fore-and-aft direction length in the fore-and-aft direction of unidirectional cavity less than.
As the electromagnetic pump quantitative oil valve, all the limit rods are preferably uniformly and circumferentially distributed along the axis of the fixed part.
Preferably, the electromagnetic pump quantitative oil valve is characterized in that the pressure spring is sleeved outside the fixed part and the limiting rod of the sealing terminal, and the front end of the pressure spring is abutted against the sealing part of the sealing terminal.
As the electromagnetic pump quantitative oil valve, preferably, a plurality of clamping bulges matched with the pressure spring are arranged on the side wall of the fixed part of the sealing terminal.
Preferably, the electromagnetic pump quantitative oil valve is characterized in that the sealing terminal is made of rubber materials.
3. Advantageous effects
The electromagnetic pump quantitative oil valve has stable use, the service life is not less than 6000 ten thousand times (normally used for not less than 5 years), the oil output is constant, and the use environment is-45-40 ℃. The oil yield error is less than 3%.
The one-way valve core of the electromagnetic pump quantitative oil valve adopts an integral structure, namely the one-way valve and the plunger guide rail in the prior art are combined into one part, so that the electromagnetic pump quantitative oil valve has high production efficiency, stable structure and material saving. The one-way valve core of the electromagnetic pump quantitative oil valve effectively avoids the risk of unstable electromagnetic pump flow caused by loose split type seal, and reduces relevant assembly processing procedures.
The electromagnetic pump using the electromagnetic pump quantitative oil valve can be applied to the related fields of new energy automobiles, truck parking warm air, novel fuel stoves and the like, and is mainly applied to media of fuels such as gasoline, diesel oil, kerosene, methanol and the like.
The sealing terminal can adopt two structures, the first structure is a steel ball, and the steel ball has a simple structure and is easy to obtain; the second sealing terminal structure can be matched with the pressure spring better, and the front side wall of the sealing terminal made of rubber material is matched with the side wall of the conical surface at the front part of the valve hole more tightly, so that the sealing property of the sealing terminal is ensured; when the oil pressure sprayed out through the communication port is too high, the limiting rod of the sealing terminal can ensure the whole displacement stroke of the sealing terminal, and the situation that the sealing terminal is separated from or blocked and cannot reset due to the fact that the sealing terminal exceeds the allowable displacement range is avoided.
Drawings
Fig. 1 is a view showing a state of use of the first embodiment of the metering oil valve of the electromagnetic pump.
Fig. 2 is a schematic structural view of a first embodiment of the metering oil valve of the electromagnetic pump.
Fig. 3 is a schematic structural diagram of a one-way valve core in the first embodiment of the electromagnetic pump dosing valve.
Fig. 4 is a schematic structural diagram of a second embodiment of the metering oil valve of the electromagnetic pump.
Fig. 5 is a schematic structural view of a sealing terminal in a second embodiment of the metering oil valve of the electromagnetic pump.
Description of the drawings: an oil valve housing-1; a one-way valve core-2; a duct section-21; an inner bore-21 a; a valve body portion-22; valve bore-22 a; a communication port-23; an oil outlet bracket-3; a nozzle-31; a pressure spring-5; a pump body-61; plunger assembly-63; an oil inlet nozzle-64; a housing-65; iron shims-66; a first gasket-67 a; limit pad-67 b; a second gasket-67 c; coil assembly mount-68; steel ball-4; sealing terminal-4'; a sealing portion-41'; a fixing portion-42'; snap-fit projections-42 a'; stop lever-42 b'.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Please refer to fig. 1 to 3.
The electromagnetic pump quantitative oil valve comprises an oil valve shell 1, a sealing terminal, a pressure spring 5, an oil outlet bracket 3 and a one-way valve core 2.
The one-way valve core 2 is fixedly arranged in the oil valve shell 1, the one-way valve core 2 comprises a duct part 21 at the front side and a valve body part 22 at the rear side, the duct part 21 and the valve body part 22 are of an integrated structure, the duct part 21 is provided with an inner hole 21a matched with the electromagnetic pump plunger assembly 63, the inner hole 21a of the duct part 21 extends to the front end surface of the duct part 21, a valve hole 22a is arranged in the valve body part 22, the valve hole 22a extends to the rear end surface of the valve body part 22, the front part of the valve hole 22a is conical, the front tip of the conical valve hole 22a is communicated with the rear part of the duct part 21 through a communication port 23, the oil outlet bracket 3 is fixedly riveted with the rear part of the oil valve shell 1, the oil outlet bracket 3 is matched with the rear part of the oil valve shell 1 through a sealing ring, an oil outlet hole is formed in the oil outlet bracket 3, the oil outlet hole of the oil outlet bracket 3 and the valve hole 22a of the one-way valve core 2 jointly form a one-way chamber of the quantitative oil valve, and the oil outlet bracket 3 is provided with an oil outlet 31 communicated with the one-way chamber and the outside.
The sealing terminal and the pressure spring 5 are both positioned in the unidirectional cavity, the sealing terminal adopts a steel ball 4, the front end of the pressure spring 5 is propped against the steel ball 4, the side wall at the front part of the steel ball 4 is matched with the side wall of the conical surface at the front part of the valve hole 22a, and the rear end of the pressure spring 5 is propped against the cavity wall at the rear part of the upper unidirectional cavity.
When the electromagnetic pump quantitative oil valve is used, the electromagnetic pump quantitative oil valve is arranged at the rear part of the electromagnetic pump, and the electromagnetic pump comprises a pump body 61, a plunger assembly 63, an oil inlet nozzle 64, a shell 65, an iron gasket 66, a first sealing gasket 67a, a limiting gasket 67b, a second sealing gasket 67c and a coil assembly seat 68.
The pump body 61 is fixed on the iron gasket 66; the coil assembly seat 68 and the shell 65 are both fixed on the iron gasket 66, the shell 65 is enclosed outside the coil assembly seat 68, the coil assembly seat 68 is provided for installing a coil assembly, the oil inlet 64 passes through the coil assembly seat 68 and the iron gasket 66 and is connected with the pump body 61, the plunger assembly 63 is arranged in the oil inlet 64, and the plunger assembly 63 is arranged to pump liquid entering the oil inlet 64 from the pump head through the pump body 61 under the action of the circuit board and the coil assembly.
The electromagnetic pump quantitative oil valve has stable use, the service life is not less than 6000 ten thousand times (normally used for not less than 5 years), the oil output is constant, and the use environment is-45-40 ℃. The oil yield error is less than 3%.
The one-way valve core 2 of the electromagnetic pump quantitative oil valve adopts an integral structure, namely the one-way valve and a plunger guide rail in the prior art are combined into a part, so that the electromagnetic pump quantitative oil valve has high production efficiency, stable structure and material saving. The one-way valve core 2 of the electromagnetic pump quantitative oil valve effectively avoids the risk of unstable electromagnetic pump flow caused by loose split type seal, and reduces relevant assembly processing procedures.
Example two
Please refer to fig. 4 to fig. 5.
The present embodiment differs from the embodiment only in that: the structure of the hermetic terminal 4' is different from the steel ball in the first embodiment;
in this embodiment, the sealing terminal 4 'is made of a rubber material, the sealing terminal 4' includes a sealing portion 41 'and a fixing portion 42', the sealing portion 41 'and the fixing portion 42' are in an integrated structure, the sealing portion 41 'is located at a front side of the fixing portion 42', a front side wall of the sealing portion 41 'is arc-shaped, a front side wall of the sealing portion 41' is matched with a tapered side wall of a front portion of the valve hole 22a, the fixing portion 42 'is generally cylindrical, an outer diameter of the fixing portion 42' is smaller than a maximum outer diameter of the sealing portion 41', four engaging protrusions 42a' matched with the pressure spring 5 are arranged on a side wall of the fixing portion 42', four limiting rods 42b' extend from a rear end face of the fixing portion 42', all limiting rods 42b' are evenly distributed circumferentially along an axis of the fixing portion 42', and a length of the sealing terminal 4' in a front-rear direction is smaller than a length of the unidirectional cavity in the front-rear direction.
The pressure spring 5 is sleeved outside the fixed part 42' and the limiting rod 42b ' of the sealing terminal 4', and the front end of the pressure spring 5 abuts against the sealing part 41' of the sealing terminal 4 '.
In the embodiment, the structure of the sealing terminal 4 'can be better matched with the pressure spring 5, and the front side wall of the sealing terminal 4' made of rubber material is more tightly matched with the side wall of the conical surface at the front part of the valve hole 22a, so that the tightness of the sealing terminal is ensured; when the oil pressure sprayed through the communication port 23 is too high, the limiting rod 42b ' of the sealing terminal 4' can ensure the whole displacement stroke of the sealing terminal 4', so that the situation that the sealing terminal 4' is separated or blocked and cannot be reset due to the fact that the sealing terminal 4' exceeds the allowable displacement range is avoided.
The foregoing is merely illustrative of two embodiments of this utility model and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the utility model, which is also contemplated as falling within the scope of the utility model.
Claims (9)
1. An electromagnetic pump quantitative oil valve is characterized in that:
including oil valve casing (1), sealed terminal, pressure spring (5), go out oily support (3) and check valve core (2), check valve core (2) fixed mounting is in oil valve casing (1), check valve core (2) are including pipe portion (21) and rear side valve body portion (22) of front side, pipe portion (21) are equipped with hole (21 a) with electromagnetic pump plunger assembly (63) complex, valve body portion (22) inside is equipped with valve opening (22 a), valve opening (22 a) front portion is the toper, the tip of toper valve opening (22 a) front portion communicates with each other through communication port (23) with pipe portion (21) rear portion, go out and pass through the riveting between oily support (3) and oil valve casing (1) rear portion, open in oily support (3) has an oil outlet, the check chamber of ration oil valve is constituteed jointly with check valve core (22 a) of check valve core (2), sealed terminal and pressure spring (5) all are in the check chamber, the front end of pressure spring (5) is supported and is leaned against sealed terminal, the front end and the front end of sealed terminal is supported against on the conical side wall portion of valve opening (22 a) on the back side wall of the cooperation of pressure spring (5).
2. The electromagnetic pump metering oil valve of claim 1, wherein:
the conduit part (21) and the valve body part (22) of the one-way valve core (2) are of an integrated structure.
3. The electromagnetic pump metering oil valve of claim 1, wherein:
the oil outlet bracket (3) is matched with the rear part of the oil valve shell (1) through a sealing ring.
4. The electromagnetic pump metering oil valve of claim 1, wherein:
the sealing terminal is a steel ball (4), and the side wall of the front part of the steel ball (4) is matched with the side wall of the conical surface of the front part of the valve hole (22 a).
5. The electromagnetic pump metering oil valve of claim 1, wherein:
the sealing terminal (4 ') comprises a sealing part (41') and a fixing part (42 '), the sealing part (41') is positioned at the front side of the fixing part (42 '), the front side wall of the sealing part (41') is arc-shaped, the front side wall of the sealing part (41 ') is matched with the conical surface side wall at the front part of the valve hole (22 a), the outer diameter of the fixing part (42') is smaller than the maximum outer diameter of the sealing part (41 '), a plurality of limiting rods (42 b') extend from the rear end face of the fixing part (42 '), and the length of the sealing terminal (4') in the front-rear direction is smaller than the length of the unidirectional cavity in the front-rear direction.
6. The electromagnetic pump metering oil valve of claim 5, wherein:
all the limit rods (42 b ') are uniformly and circumferentially distributed along the axis of the fixing part (42').
7. The electromagnetic pump metering oil valve of claim 5, wherein:
the pressure spring (5) is sleeved outside the fixing part (42 ') and the limiting rod (42 b ') of the sealing terminal (4 '), and the front end of the pressure spring (5) is abutted against the sealing part (41 ') of the sealing terminal (4 ').
8. The electromagnetic pump metering oil valve of claim 7, wherein:
the side wall of the fixing part (42 ') of the sealing terminal (4 ') is provided with a plurality of clamping bulges (42 a ') matched with the pressure spring (5).
9. The electromagnetic pump metering oil valve of claim 8, wherein:
the sealing terminal (4') is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321041539.2U CN219711777U (en) | 2023-04-28 | 2023-04-28 | Quantitative oil valve of electromagnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321041539.2U CN219711777U (en) | 2023-04-28 | 2023-04-28 | Quantitative oil valve of electromagnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711777U true CN219711777U (en) | 2023-09-19 |
Family
ID=87984025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321041539.2U Active CN219711777U (en) | 2023-04-28 | 2023-04-28 | Quantitative oil valve of electromagnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711777U (en) |
-
2023
- 2023-04-28 CN CN202321041539.2U patent/CN219711777U/en active Active
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