CN219344797U

CN219344797U - Pressure regulating valve for engine oil filter

Info

Publication number: CN219344797U
Application number: CN202321038539.7U
Authority: CN
Inventors: 唐山; 彭成林; 何旭阳
Original assignee: SHIYAN FEIJUN AUTOMOBILE PARTS CO Ltd
Current assignee: SHIYAN FEIJUN AUTOMOBILE PARTS CO Ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-07-14
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a pressure regulating valve for an oil filter, which comprises a pressure regulating filter mechanism and filter paper arranged in the pressure regulating filter mechanism, wherein the pressure regulating filter mechanism is internally provided with a safety pressure regulating mechanism, the safety pressure regulating mechanism is internally provided with a pressure regulating piston, the pressure regulating filter mechanism comprises a filter core cover, the center of the top of the filter core cover is provided with an oil filling port, the bottom of the oil filling port is fixedly connected with an oil delivery pipe, the bottom of the filter core cover is fixedly provided with a sealing ring, the bottom of the sealing ring is fixedly connected with a screw cap, the outer side of the top of the screw cap is fixedly provided with a connecting external thread, limit holes are symmetrically formed in the two sides of the bottom of the screw cap, and the pressure regulating filter mechanism can keep normal oil pressure of an engine through symmetrical arrangement.

Description

Pressure regulating valve for engine oil filter

Technical Field

The utility model relates to the technical field of filters, in particular to a pressure regulating valve for an oil filter.

Background

The filter is an accessory which plays a role in filtering impurities or gas through filter paper, generally refers to an automobile filter, is an accessory of an engine, and is generally internally provided with a pressure regulating valve for regulating the oil pressure in the filter so as to avoid the occurrence of the condition of overlarge pressure.

The publication number CN215486200U discloses a filter assembly that adopts plunger formula air-vent valve, engine oil gets into from the seat oil inlet of taking care of the seat, then get into the canister and filter, the engine oil after filtering gets into fuel injection system through the play oil channel of taking care of the seat, when the oil pressure is too big, engine oil can jack up the plunger, make the valve port open, engine oil and then enter the oil tank through governing valve oil inlet, valve port and governing valve oil-out in succession, through rotatory adjustment compression shaft in the degree of depth in the valve body, thereby reach the pressure of adjusting spring to the plunger, and then adjust the required oil pressure of engine oil jack up plunger, utilize the plunger seal valve port, because plunger and valve port are the face contact, consequently, the sealed effect is better, but the required oil pressure of engine oil jack up plunger can be adjusted through adjusting the compression shaft, but this patent still has following problem in the in-service use:

the filter assembly adopting the plunger type pressure regulating valve adjusts the depth of the compression shaft in the valve body through rotation, thereby achieving the purpose of adjusting the pressure of the spring to the plunger, and further adjusting the oil pressure required by the engine oil to jack up the plunger. The clamping stagnation or the too high opening pressure can easily crush the oil seal and the oil pipe, and consume the power of the engine.

A pressure regulating valve for an oil filter is proposed in order to solve the problems set forth in the foregoing.

Disclosure of Invention

The utility model aims to provide a pressure regulating valve for an engine oil filter, which is used for solving the problems that in the filter assembly adopting a plunger type pressure regulating valve, the depth of a compression shaft in a valve body is regulated by rotating, so that the pressure of a spring to a plunger is regulated, and the oil pressure required by the engine oil pushing up the plunger is regulated, but the filter assembly of the plunger type pressure regulating valve is only provided with one plunger type pressure regulating valve, and the engine oil pressure can be regulated to enable the engine to be in a normal running state, but in the actual engine operation, once the plunger type pressure regulating valve is damaged, the engine oil pressure is easily abnormal, the engine cannot normally work, the engine is not sealed or the opening pressure is too low, and the friction surfaces of the engine can be worn and accelerated due to insufficient lubrication. The clamping stagnation or the too high opening pressure can easily crush the oil seal and the oil pipe and consume the power of the engine.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pressure regulating valve for an oil filter comprises a pressure regulating filter mechanism and filter paper arranged in the pressure regulating filter mechanism;

the safety pressure regulating mechanism is arranged in the pressure regulating filtering mechanism, and the pressure regulating piston is arranged in the safety pressure regulating mechanism;

further comprises:

the pressure regulating filtering mechanism comprises a filter element cover, an oil filling port is formed in the center of the top of the filter element cover, and an oil conveying pipe is fixedly connected to the bottom of the oil filling port;

the bottom of the filter element cover is fixedly provided with a sealing ring, and the bottom of the sealing ring is fixedly connected with a screw cap;

the nut is characterized in that connecting external threads are fixedly arranged on the outer side of the top of the nut, and limit holes are symmetrically formed in two sides of the bottom of the nut.

Preferably, the bottom of nut is provided with the filter seat, the top inboard of filter seat is provided with connects the internal screw thread, the bottom fixed mounting who connects the internal screw thread has spacing sliding tray, the inside fixed mounting of spacing sliding tray has the spring support, one side fixedly connected with spacing spring of spring support, the one end fixedly connected with spacing fixer that spring support was kept away from to spacing spring.

Preferably, the inside of filter seat is provided with the filter core, filter paper fixed mounting is in the inside of filter core, the bottom bilateral symmetry of filter seat is installed out oil pipe, the bottom fixedly connected with batch oil tank of filter seat, the top bilateral symmetry of batch oil tank is installed the air-vent valve body.

Preferably, the top of air-vent valve body has been seted up first pressure regulating mouth, the bottom fixed mounting of first pressure regulating mouth has the pressure regulating arch, the bellied bottom fixedly connected with pressure regulating storehouse of pressure regulating, the inside sliding connection in pressure regulating storehouse has the valve body, first pressure regulating hole has been seted up to the bottom both sides of valve body, the bottom fixed mounting in pressure regulating storehouse has the pressure regulating fixer, the top fixedly connected with pressure regulating spring of pressure regulating fixer.

Preferably, the pressure regulating spring is fixedly connected with the valve body, a second pressure regulating hole is formed in the pressure regulating fixer, a second pressure regulating opening is formed in the bottom of the pressure regulating fixer, a plurality of fixing bolts are connected with the bottom of the oil storage tank in a threaded mode, a heat exchanger is arranged at the bottom of the oil storage tank, and an oil drain pipe is fixedly connected to the bottom of the heat exchanger.

Preferably, the safety pressure regulating mechanism comprises a safety pressure regulating pipe, a pressure regulating groove is formed in the safety pressure regulating pipe, a limiting protrusion is fixedly arranged on the inner side of the top of the pressure regulating groove, a pressure regulating telescopic rod is fixedly arranged in the pressure regulating groove, a telescopic spring is slidably connected to the outer side of the pressure regulating telescopic rod, and a pressure regulating piston is fixedly arranged on the top of the telescopic spring.

Preferably, the limit fixing device is in sliding connection with the limit sliding groove through a limit spring, and the limit fixing device is clamped and connected with the limit hole.

Compared with the prior art, the utility model has the beneficial effects that: this a air-vent valve for oil cleaner can make the engine keep normal oil pressure through the symmetry setting pressure regulating filter mechanism, sets up safe pressure regulating mechanism and can make the engine oil normally pass through oil cleaner under the circumstances that filter core and filter paper appear blocking, avoids appearing the phenomenon that the oil circuit is not led to, and its specific content is as follows:

1. the engine can keep normal oil pressure by symmetrically arranging the pressure regulating filter mechanisms, and meanwhile, when one pressure regulating filter mechanism is damaged, the other pressure regulating filter mechanism can work normally, so that the normal operation of the engine is not influenced, when engine oil enters the filter seat through the oil filling port at the top of the filter element cover and the oil delivery pipe, the engine oil is subjected to primary filtration through filter paper, then is subjected to secondary filtration through the filter element again, enters the oil storage tank through the oil delivery pipe, and when the oil pressure in the oil storage tank is too low, the valve body in the pressure regulating valve body is compressed, so that the first pressure regulating port is connected with the first pressure regulating port; the pressure regulating bin is communicated with the second pressure regulating port, so that the oil storage tank is pressurized, the oil pressure in the oil storage tank is kept consistent with the outside, the engine is protected, and when the oil pressure is too high, the valve body and the pressure regulating bulge are closed, so that the pressure is reduced;

2. through setting up safe pressure regulating mechanism can make engine oil normally pass through the oil cleaner under the circumstances that filter core and filter paper appear blockking up, avoid appearing the phenomenon that the oil circuit is not led to, thereby influence the normal operation of engine, when a large amount of metal grinding of adhesion on filter core and filter paper, mechanical impurity and engine oil oxide, when making engine oil unable normal pass through filter core and filter paper get into the batch oil tank, because the effect of oil pressure, make engine oil compression pressure regulating piston, make pressure regulating piston compression pressure regulating telescopic link and extension spring, thereby get into the batch oil tank from the pressure regulating groove, can make the engine work normally.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a filter element cover according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a filter base according to the present utility model;

FIG. 4 is a schematic diagram of a pressure regulating valve body according to the present utility model;

FIG. 5 is a schematic diagram of a safety voltage regulating mechanism according to the present utility model;

fig. 6 is an enlarged view of the area a in fig. 3 according to the present utility model.

In the figure: 1. a pressure-regulating filtering mechanism; 101. a cartridge cover; 102. an oil filling port; 103. an oil delivery pipe; 104. a seal ring; 105. a screw cap; 106. connecting external threads; 107. a limiting hole; 108. a filter base; 109. connecting internal threads; 110. a limit sliding groove; 111. a spring support; 112. a limit spring; 113. a limit fixer; 114. a filter element; 115. a filter paper; 116. an oil outlet pipe; 117. an oil storage tank; 118. a pressure regulating valve body; 119. a first pressure regulating port; 120. a pressure regulating protrusion; 121. a pressure regulating bin; 122. a valve body; 123. a first pressure regulating hole; 124. a pressure regulating fixture; 125. a pressure regulating spring; 126. a second pressure regulating hole; 127. a second pressure regulating port; 128. a fixing bolt; 129. a heat exchanger; 130. an oil drain pipe; 2. a safety pressure regulating mechanism; 201. a safety pressure regulating tube; 202. a pressure regulating groove; 203. a limit protrusion; 204. a pressure-regulating telescopic rod; 205. a telescopic spring; 206. and a pressure regulating piston.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides the following technical solutions: the utility model provides a pressure regulating valve for oil cleaner, including pressure regulating filter mechanism 1, and install the filter paper 115 in pressure regulating filter mechanism 1 inside, pressure regulating filter mechanism 1's inside is provided with safe pressure regulating mechanism 2, and safe pressure regulating mechanism 2's inside is provided with pressure regulating piston 206, pressure regulating filter mechanism 1 includes filter core lid 101, the top central point of filter core lid 101 puts and has seted up oiling mouth 102, the bottom fixedly connected with oil pipe 103 of oiling mouth 102, wherein, the bottom fixedly mounted of filter core lid 101 has sealing washer 104, the bottom fixedly connected with nut 105 of sealing washer 104, wherein, the top outside fixedly mounted of nut 105 has connection external screw thread 106, spacing hole 107 has been seted up to the bottom bilateral symmetry of nut 105, the bottom of nut 105 is provided with filter seat 108, the top inboard of filter seat 108 is provided with connection internal screw thread 109, the bottom fixedly mounted of connection internal screw thread 109 has spacing sliding groove 110, the inside of the limit sliding groove 110 is fixedly provided with a spring support 111, one side of the spring support 111 is fixedly connected with a limit spring 112, one end of the limit spring 112, which is far away from the spring support 111, is fixedly connected with a limit fixer 113, the inside of the filter seat 108 is provided with a filter core 114, filter paper 115 is fixedly arranged in the filter core 114, oil outlet pipes 116 are symmetrically arranged at the two sides of the bottom of the filter seat 108, the bottom of the filter seat 108 is fixedly connected with an oil storage tank 117, the two sides of the top of the oil storage tank 117 are symmetrically provided with a pressure regulating valve body 118, the top of the pressure regulating valve body 118 is provided with a first pressure regulating port 119, the bottom of the first pressure regulating port 119 is fixedly provided with a pressure regulating bulge 120, the bottom of the pressure regulating bulge 120 is fixedly connected with a pressure regulating bin 121, the inside of the pressure regulating bin 121 is slidably connected with a valve body 122, the two sides of the bottom of the valve body 122 are provided with a first pressure regulating hole 123, the bottom fixed mounting of pressure regulating storehouse 121 has pressure regulating fixer 124, the top fixedly connected with pressure regulating spring 125 of pressure regulating fixer 124, pressure regulating spring 125 and valve body 122 fixed connection, second pressure regulating hole 126 has been seted up to the inside of pressure regulating fixer 124, second pressure regulating mouth 127 has been seted up to the bottom of pressure regulating fixer 124, the bottom threaded connection of batch tank 117 has a plurality of fixing bolt 128, the bottom of batch tank 117 is provided with heat exchanger 129, the bottom fixedly connected with oil drain pipe 130 of heat exchanger 129, spacing fixer 113 passes through spacing spring 112 and spacing sliding tray 110 sliding connection, spacing fixer 113 and spacing hole 107 card and connection, set up pressure regulating filter mechanism 1 through the symmetry and can make the engine keep normal oil pressure, simultaneously, when damage appears in one pressure regulating filter mechanism 1, another pressure regulating filter mechanism 1 can normally work, thereby do not influence the normal operation of engine.

The safety pressure regulating mechanism 2 comprises a safety pressure regulating pipe 201, a pressure regulating groove 202 is formed in the safety pressure regulating pipe 201, a limit protrusion 203 is fixedly arranged on the inner side of the top of the pressure regulating groove 202, a pressure regulating telescopic rod 204 is fixedly arranged in the pressure regulating groove 202, a telescopic spring 205 is slidably connected to the outer side of the pressure regulating telescopic rod 204, a pressure regulating piston 206 is fixedly arranged on the top of the telescopic spring 205, engine oil can normally pass through an engine oil filter under the condition that a filter element 114 and a filter paper 115 are blocked by the safety pressure regulating mechanism 2, the phenomenon that an oil way is not communicated is avoided, normal operation of an engine is affected, when a large amount of metal grinding, mechanical impurities and engine oil oxides are attached to the filter element 114 and the filter paper 115, and engine oil cannot normally pass through the filter element 114 and the filter paper 115 to enter an oil storage tank 117, due to the action of oil pressure, the engine oil is compressed to the telescopic piston 206, the engine oil is compressed to the telescopic rod 204 and the telescopic spring 205, and the engine can normally work in the oil storage tank 117.

Working principle: before the pressure regulating valve for an oil filter is used, the whole condition of the device needs to be checked firstly to ensure that normal operation can be carried out, according to the method shown in fig. 1-6, the connection between the filter core cover 101 and the filter seat 108 is realized by connecting the external connecting thread 106 on the outer side of the top of the nut 105 with the internal connecting thread 109 on the inner side of the top of the filter seat 108, the positioning between the filter core cover 101 and the filter seat 108 is realized by the characteristics of the limiting hole 107 and the limiting fixer 113 and the connection, the filter core 114 and the filter paper 115 are prevented from being crushed, secondly, when engine oil enters the filter seat 108 through the oil filling port 102 and the oil delivery pipe 103 on the top of the filter core cover 101, primary filtration is carried out through the filter paper 115, secondary filtration is carried out through the filter core 114 again, and enters the oil storage tank 117 through the oil delivery pipe 116, and when the oil pressure in the oil storage tank 117 is too low, the valve body 122 in the pressure regulating valve body 118 is compressed, and the first pressure regulating port 119 is enabled to be in contact with the oil storage tank 117; the pressure regulating bin 121 is communicated with the second pressure regulating port 127, so that the oil storage tank 117 is pressurized, the oil pressure in the oil storage tank 117 is kept consistent with the outside, the engine is protected, when the oil pressure is too high, the valve body 122 and the pressure regulating protrusion 120 are closed, so that the pressure is reduced, finally, when a large amount of metal grinding, mechanical impurities and engine oil oxides adhere to the filter element 114 and the filter paper 115, engine oil cannot normally enter the oil storage tank 117 through the filter element 114 and the filter paper 115, due to the action of the oil pressure, the engine oil compresses the pressure regulating piston 206, and the pressure regulating piston 206 compresses the pressure regulating telescopic rod 204 and the telescopic spring 205, so that the engine can normally work after entering the oil storage tank 117 from the pressure regulating groove 202.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A pressure regulating valve for an oil filter comprises a pressure regulating filter mechanism (1) and filter paper (115) arranged inside the pressure regulating filter mechanism (1);

the safety pressure regulating mechanism (2) is arranged in the pressure regulating filtering mechanism (1), and the pressure regulating piston (206) is arranged in the safety pressure regulating mechanism (2);

characterized by further comprising:

the pressure regulating filter mechanism (1) comprises a filter element cover (101), an oil filling port (102) is formed in the center of the top of the filter element cover (101), and an oil conveying pipe (103) is fixedly connected to the bottom of the oil filling port (102);

the bottom of the filter element cover (101) is fixedly provided with a sealing ring (104), and the bottom of the sealing ring (104) is fixedly connected with a screw cap (105);

the nut (105) is characterized in that a connecting external thread (106) is fixedly arranged on the outer side of the top of the nut (105), and limiting holes (107) are symmetrically formed in two sides of the bottom of the nut (105).

2. The pressure regulating valve for an oil filter according to claim 1, wherein: the bottom of nut (105) is provided with filter seat (108), the top inboard of filter seat (108) is provided with connects internal screw thread (109), the bottom fixed mounting of connecting internal screw thread (109) has spacing sliding tray (110), the inside fixed mounting of spacing sliding tray (110) has spring support (111), one side fixedly connected with spacing spring (112) of spring support (111), one end fixedly connected with spacing fixer (113) that spring support (111) were kept away from to spacing spring (112).

3. A pressure regulating valve for an oil filter according to claim 2, wherein: the inside of filter seat (108) is provided with filter core (114), filter paper (115) fixed mounting is in the inside of filter core (114), oil outlet pipe (116) are installed to the bottom bilateral symmetry of filter seat (108), the bottom fixedly connected with batch oil tank (117) of filter seat (108), pressure regulating valve body (118) are installed to the top bilateral symmetry of batch oil tank (117).

4. A pressure regulating valve for an oil filter according to claim 3, wherein: the pressure regulating valve is characterized in that a first pressure regulating port (119) is formed in the top of the pressure regulating valve body (118), a pressure regulating protrusion (120) is fixedly arranged at the bottom of the first pressure regulating port (119), a pressure regulating bin (121) is fixedly connected to the bottom of the pressure regulating protrusion (120), a valve body (122) is slidably connected to the inside of the pressure regulating bin (121), first pressure regulating holes (123) are formed in two sides of the bottom of the valve body (122), a pressure regulating fixer (124) is fixedly arranged at the bottom of the pressure regulating bin (121), and a pressure regulating spring (125) is fixedly connected to the top of the pressure regulating fixer (124).

5. The pressure regulating valve for an oil filter according to claim 4, wherein: the pressure regulating spring (125) is fixedly connected with the valve body (122), a second pressure regulating hole (126) is formed in the pressure regulating fixer (124), a second pressure regulating opening (127) is formed in the bottom of the pressure regulating fixer (124), a plurality of fixing bolts (128) are connected with the bottom of the oil storage tank (117) in a threaded mode, a heat exchanger (129) is arranged at the bottom of the oil storage tank (117), and an oil drain pipe (130) is fixedly connected with the bottom of the heat exchanger (129).

6. The pressure regulating valve for an oil filter according to claim 1, wherein: the safety pressure regulating mechanism (2) comprises a safety pressure regulating pipe (201), a pressure regulating groove (202) is formed in the safety pressure regulating pipe (201), a limiting protrusion (203) is fixedly arranged on the inner side of the top of the pressure regulating groove (202), a pressure regulating telescopic rod (204) is fixedly arranged in the pressure regulating groove (202), a telescopic spring (205) is slidably connected to the outer side of the pressure regulating telescopic rod (204), and a pressure regulating piston (206) is fixedly arranged on the top of the telescopic spring (205).

7. A pressure regulating valve for an oil filter according to claim 2, wherein: the limiting fixer (113) is in sliding connection with the limiting sliding groove (110) through a limiting spring (112), and the limiting fixer (113) is clamped and connected with the limiting hole (107).