CN218624367U

CN218624367U - Check valve of oil filter

Info

Publication number: CN218624367U
Application number: CN202223341555.1U
Authority: CN
Inventors: 杨永豪
Original assignee: Dongguan Lyvguan Filter Co ltd
Current assignee: Dongguan Lyvguan Filter Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-14
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to an oil cleaner check valve technical field just discloses an oil cleaner check valve, filtration includes first shell, first shell is cylindrically, the inside circular through-hole of having seted up of first shell, the inside fixedly connected with roof of the circular through-hole of first shell, the roof is the disc, the roof is located the inside top of first shell, the inside circular through-hole of having seted up of roof, the inside fixedly connected with bottom plate of the circular through-hole of first shell, the bottom plate is the disc, the bottom plate is located the inside top of first shell, the inside circular through-hole of having seted up of bottom plate, through designing the check valve into the check valve, simple structure, convenient to use, sealing performance is good moreover, prevents effectively that machine oil from leaking from the inlet port on the oil cleaner to ensure that the product check valve lets out the flow and accord with the product requirement, improve product quality's stability.

Description

Check valve of oil filter

Technical Field

The utility model relates to an oil filter check valve technical field, more specifically relate to an oil filter check valve.

Background

When the engine works, metal abrasive dust generated on the friction surface of the parts, dust in the atmosphere and carbon particles generated by incomplete combustion of fuel are permeated into engine oil, the engine oil is heated and oxidized to generate colloidal precipitates, and the impurities are mixed in the engine oil to accelerate the abrasion of the parts, so that an oil filter is required to be arranged in a lubricating system.

The check valve is an important component in the oil filter, and has the function of preventing oil from flowing back and flowing out from an oil inlet hole. The valve body of the existing check valve is generally arranged in a horn shape and is reversely buckled on a chassis of a filter during installation, but because the inner side surface of the horn-shaped check valve body is of a straight inclined surface structure, the elasticity is small, the sealing performance is weak, and after the valve body is used for a period of time, a large amount of oil leakage can occur under the influence of pressure, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides an oil cleaner check valve to solve the problem that exists among the above-mentioned background art.

The utility model provides a following technical scheme: the check valve of the oil filter comprises a filtering structure, wherein the filtering structure is positioned on the outer side of the device and is cylindrical, and a valve structure is movably sleeved in the filtering structure and is cylindrical;

further, the filtering structure comprises a first shell, the first shell is cylindrical, a circular through hole is formed in the first shell, a top plate is fixedly connected to the inside of the circular through hole of the first shell, the top plate is disc-shaped and is located at the top end of the inside of the first shell, the circular through hole is formed in the top plate, a bottom plate is fixedly connected to the inside of the circular through hole of the first shell and is disc-shaped, the bottom plate is located at the top end of the inside of the first shell, and the circular through hole is formed in the bottom plate.

Further, the circular through-hole fixedly connected with inner ring of roof and bottom plate, the inner ring is cylindrically, circular through-hole has been seted up to the inner ring inside, the inner ring outside fixedly connected with filter screen, the filter screen is the rectangle form, the filter screen is located inner ring outside annular array, filter screen top fixedly connected with roof, filter screen bottom fixedly connected with bottom plate, the inside activity of filter screen has cup jointed first solid fixed ring.

Further, first solid fixed ring is cylindricly, first solid fixed ring activity is cup jointed on filter screen top inboard, the solid fixed ring of second has been cup jointed in the inside activity of filter screen, the solid fixed ring of second is cylindricly, the solid fixed ring activity of second cup joints in filter screen bottom inboard, first solid fixed ring lower extreme fixedly connected with accepts the board, accept the solid fixed ring of board lower extreme fixedly connected with second, accept the board at the solid fixed ring of first solid fixed ring and second between the annular array.

Further, the valve structure includes the second shell, the second shell is cylindric, first fixed block has been cup jointed to second shell inside, first fixed block is cylindric, first fixed block upper end fixedly connected with second fixed block, the second fixed block is cylindric.

Further, the spring has been cup jointed in the second fixed block outside, spring bottom swing joint has first fixed block, spring top swing joint has the bobble, bobble upper end swing joint has the oil inlet, the solid fixed ring of first solid fixed ring, second and the board of accepting is cup jointed in the activity of second shell outside.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a with the check valve design on same position, ensure to open the through-hole butt joint that has with the centre of bypass disk seat, realized overall structure simple, cost reduction to the reliability is higher.

2. The utility model discloses a design the check valve into check valve, simple structure, convenient to use, sealing performance is good moreover, prevents effectively that machine oil from leaking from the inlet port on the oil cleaner to ensure that the product check valve lets out the flow and accords with product technical requirement, improve product quality's stability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a schematic vertical sectional view of the filter structure of the present invention;

fig. 4 is a cross-sectional schematic view of the filter structure of the present invention;

fig. 5 is a schematic sectional view of the valve structure of the present invention.

The reference signs are: 1. a filter structure; 101. a first housing; 102. a top plate; 103. a base plate; 104. an inner ring; 105. filtering with a screen; 106. a first retaining ring; 107. a second retaining ring; 108. a bearing plate; 2. a valve structure; 201. a second housing; 202. a first fixed block; 203. a second fixed block; 204. a spring; 205. a pellet; 206. and an oil inlet.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the drawings in the present invention, and the forms of the structures described in the following embodiments are merely examples, and the oil filter check valve of the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-5, the utility model provides an oil filter check valve, which comprises a filtering structure 1, wherein the filtering structure 1 is positioned outside the device, the filtering structure 1 is cylindrical, a valve structure 2 is movably sleeved inside the filtering structure 1, and the valve structure 2 is cylindrical;

wherein, filtration 1 includes first shell 101, first shell 101 is cylindrical, first shell 101 is inside to have seted up circular through-hole, the inside fixedly connected with roof 102 of the circular through-hole of first shell 101, roof 102 is the disc, roof 102 is located the inside top of first shell 101, circular through-hole has been seted up to roof 102 inside, the inside fixedly connected with bottom plate 103 of the circular through-hole of first shell 101, bottom plate 103 is the disc, bottom plate 103 is located the inside top of first shell 101, circular through-hole has been seted up to bottom plate 103 inside.

Wherein, the circular through-hole fixedly connected with inner ring 104 of top plate 102 and bottom plate 103, inner ring 104 are cylindrical, and the circular through-hole has been seted up to inner ring 104 inside, and inner ring 104 outside fixedly connected with filter screen 105, filter screen 105 are the rectangle form, and filter screen 105 is located inner ring 104 outside annular array, and filter screen 105 top fixedly connected with top plate 102, filter screen 105 bottom fixedly connected with bottom plate 103, the inside activity of filter screen 105 has cup jointed first solid fixed ring 106.

Wherein, first solid fixed ring 106 is cylindric, and first solid fixed ring 106 activity is cup jointed in filter screen 105 top inboard, and the solid fixed ring 107 of second has been cup jointed in the inside activity of filter screen 105, and the solid fixed ring 107 of second is cylindric, and the solid fixed ring 107 activity of second is cup jointed in filter screen 105 bottom inboard, and first solid fixed ring 106 lower extreme fixedly connected with accepts board 108, accepts board 108 lower extreme fixedly connected with solid fixed ring 107 of second, accepts board 108 at the solid fixed ring 107 of first solid fixed ring 106 and second between the annular array.

Wherein, valve structure 2 includes second shell 201, second shell 201 is cylindricly, second shell 201 is inside has cup jointed first fixed block 202, first fixed block 202 is cylindricly, first fixed block 202 upper end fixedly connected with second fixed block 203, second fixed block 203 is cylindricly, spring 204 has been cup jointed in the second fixed block 203 outside, spring 204 bottom swing joint has first fixed block 202, spring 204 top swing joint has bobble 205, bobble 205 upper end swing joint has oil inlet 206, first solid fixed ring 106 has been cup jointed in the activity of second shell 201 outside, the solid fixed ring 107 of second and accept board 108.

The utility model discloses a theory of operation:

before using, the device is firstly installed at a proper position, whether the filter screen 105 needs to be replaced or not is checked, whether the spring 204 needs to be replaced or not is checked, whether the inside of a channel is blocked or not is checked, when the device is used, the valve structure 2 is sleeved inside the filter structure 1, the first fixing ring 106 and the second fixing ring 107 and the bearing plate 108 inside the filter structure 1 are sleeved with the second outer shell 201 outside the valve structure 2, the valve structure 2 is fixed inside the filter structure 1, engine oil enters the engine oil through the top oil inlet 206 inside the second outer shell 201 to supply downward pressure to the small ball 205, the small ball 205 is a ball body and is relatively stable and not easy to deform, the small ball 205 has downward pressure, the top end of the spring 204 is sleeved with the small ball 205, the small ball 205 extrudes the spring 204, the spring 204 has elastic deformation property, the spring 204 compresses downward, the bottom end of the spring 204 is sleeved with the second fixing block 203, the bottom end of the spring 204 is movably connected with the top end of the first fixing block 202, the spring 204 is supported by the first fixing block 202, the second fixing block 203 limits the spring 204, the spring 204 is compressed under the force, the gap between the small ball 205 and the gap 206 between the oil inlet 206, the gap of the filter screen 105 is enlarged, the filter structure can conveniently enter the inner space of the filter structure, the filter structure can conveniently, and the filter structure, and the quality of the filter structure can be improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. An oil filter check valve, includes filtration (1), its characterized in that: the filter structure (1) is located outside the device, the filter structure (1) is cylindrical, the valve structure (2) is movably sleeved inside the filter structure (1), and the valve structure (2) is cylindrical.

2. The oil filter check valve of claim 1 wherein: filtration (1) is including first shell (101), first shell (101) are cylindrically, first shell (101) inside has seted up circular through-hole, the inside fixedly connected with roof (102) of first shell (101) circular through-hole, roof (102) are the disc, roof (102) are located the inside top of first shell (101), circular through-hole has been seted up to roof (102) inside, the inside fixedly connected with bottom plate (103) of first shell (101) circular through-hole, bottom plate (103) are the disc, bottom plate (103) are located the inside top of first shell (101), circular through-hole has been seted up to bottom plate (103) inside.

3. The oil filter check valve of claim 2 wherein: roof (102) and bottom plate (103) circular through-hole fixedly connected with inner ring (104), inner ring (104) are cylindrical, the inside circular through-hole of having seted up of inner ring (104), inner ring (104) outside fixedly connected with filter screen (105), filter screen (105) are the rectangle form, filter screen (105) are located inner ring (104) outside annular array, filter screen (105) top fixedly connected with roof (102), filter screen (105) bottom fixedly connected with bottom plate (103), first solid fixed ring (106) have been cup jointed in the inside activity of filter screen (105).

4. An oil filter check valve as claimed in claim 3 wherein: first solid fixed ring (106) are cylindricly, first solid fixed ring (106) activity is cup jointed in filter screen (105) top inboard, the solid fixed ring of second (107) has been cup jointed in the inside activity of filter screen (105), the solid fixed ring of second (107) is cylindricly, the solid fixed ring of second (107) activity is cup jointed in filter screen (105) bottom inboard, first solid fixed ring (106) lower extreme fixedly connected with accepts board (108), accept board (108) lower extreme fixedly connected with second and fix ring (107), accept board (108) and fix ring array between solid fixed ring of first (106) and second (107).

5. The oil filter check valve of claim 1 wherein: the valve structure (2) comprises a second shell (201), the second shell (201) is cylindrical, a first fixing block (202) is sleeved inside the second shell (201), the first fixing block (202) is cylindrical, a second fixing block (203) is fixedly connected to the upper end of the first fixing block (202), and the second fixing block (203) is cylindrical.

6. An oil filter check valve as claimed in claim 5 wherein: a spring (204) is sleeved on the outer side of the second fixing block (203), the bottom end of the spring (204) is movably connected with the first fixing block (202), the top end of the spring (204) is movably connected with a small ball (205), and the upper end of the small ball (205) is movably connected with an oil inlet (206).

7. The oil filter check valve of claim 5 wherein: the outer side of the second shell (201) is movably sleeved with a first fixing ring (106), a second fixing ring (107) and a bearing plate (108).