CN212575802U

CN212575802U - Leakage-proof interface structure for liquid filter

Info

Publication number: CN212575802U
Application number: CN202021052325.1U
Authority: CN
Inventors: 任春豪
Original assignee: Shanghai Bindao Filter Co ltd
Current assignee: Shanghai Bindao Filter Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-23
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a leakage-proof interface structure for a liquid filter, which comprises a filter base, wherein the bottom of the filter base is fixedly connected with a liquid inlet pipe, the side surface of the filter base is fixedly connected with a liquid outlet pipe, both ends of the inner surfaces of the liquid inlet pipe and the liquid outlet pipe are fixedly embedded with inserts, and the inner surfaces of the inserts are movably connected with the end part of an oil pipe joint; the end surfaces of the liquid inlet pipe and the liquid outlet pipe which are contacted with the oil pipe joint are fixedly provided with combined gaskets. The utility model overcomes prior art's is not enough, through the relative position who resets inserts and feed liquor pipe and drain pipe seal end face, the inserts terminal surface is enveloped by the plastics material completely, and the combination packing ring direct seal is on the plastics material, makes combination packing ring and filter seat plastics material envelope surface form relatively stable seal structure.

Description

Leakage-proof interface structure for liquid filter

Technical Field

The utility model relates to a liquid filtration technology field, especially a prevent leaking interface structure for liquid filter.

Background

The liquid filter is mainly used for filtering impurities in a target liquid. The filter base of the partial liquid filter can be embedded with a thread insert which is made of a material different from that of the filter base body at the position close to the end face of a target liquid inlet and outlet pipeline or other special positions, so that the convenience of thread processing, the thread strength and the like are improved.

Because the thread insert and the filter base body are made of different materials, the liquid leakage phenomenon exists at the combination position of the insert and the body. Standard composite gaskets are difficult to seal against this leak due to size, etc.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a prevent leaking interface structure for liquid filter has overcome the not enough of prior art, and through the relative position who sets up inserts and feed liquor pipe and drain pipe sealing end face again, the inserts terminal surface is enveloped by the plastics material completely, and the combination packing ring direct seal is on the plastics material, makes combination packing ring and filter seat plastics material envelope surface form relatively stable seal structure.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a leakage-proof interface structure for a liquid filter comprises a filter base, wherein the bottom of the filter base is fixedly connected with a liquid inlet pipe, the side surface of the filter base is fixedly connected with a liquid outlet pipe, the inner walls of the two ends of the liquid inlet pipe and the liquid outlet pipe are respectively fixedly embedded with an insert, the outer surface of the insert is provided with a plurality of convex blocks which are embedded in the inner walls of the liquid inlet pipe and the liquid outlet pipe, the end surfaces of the inserts are positioned in the liquid inlet pipe and the liquid outlet pipe, the end surfaces of the inserts and the end surfaces of the adjacent liquid inlet pipe or the adjacent liquid outlet pipe are respectively provided with a distance in the axial direction, the inner surfaces of the inserts are movably connected with the end parts of the oil pipe joints, the end surface of the liquid inlet pipe adjacent to the oil pipe joint and the end surface of the liquid outlet pipe adjacent to the oil pipe joint are both fixedly provided with a combined gasket, the combined gasket comprises a rubber pad and a framework, and the framework is fixedly connected to the periphery of the rubber pad.

Preferably, the liquid inlet pipe and the liquid outlet pipe are made of plastic, and the inserts are made of metal.

Preferably, the outer side surface of one end of the oil pipe joint far away from the insert is arranged to be in an inverted triangle shape.

The utility model provides a prevent leaking interface structure for liquid filter. The method has the following beneficial effects: the utility model discloses a set up the terminal surface of inserts in feed liquor pipe and drain pipe inner wall by the plastic material envelopment of feed liquor pipe and drain pipe completely with the inserts to with the direct seal of combination packing ring on the terminal surface of feed liquor pipe and drain pipe, with form relatively stable seal structure, make the inserts no longer contact with the combination packing ring with the faying face of feed liquor pipe and drain pipe, avoided leaking the target liquid that arouses because of faying face department.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.

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

FIG. 2 is a schematic view of the structure of the insert and the oil pipe joint of the present invention during installation;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

the reference numbers in the figures illustrate:

1. a filter base; 3. A liquid inlet pipe; 4. a liquid outlet pipe; 5. an insert; 51. a bump; 6. an oil pipe joint; 7. a combination washer; 71. a rubber pad; 72. and (3) a framework.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.

As shown in fig. 1 to 3, a leakage-proof interface structure for a liquid filter comprises a filter base 1, wherein the bottom of the filter base 1 is fixedly connected with a liquid inlet pipe 3, the side surface of the filter base 1 is fixedly connected with a liquid outlet pipe 4, and the liquid inlet pipe 3 and the liquid outlet pipe 4 are made of plastic materials; inserts 5 are fixedly embedded in the inner walls of the two ends of the liquid inlet pipe 3 and the liquid outlet pipe 4, and the inserts 5 are made of metal materials; the inner surface of the insert 5 is movably connected with the end part of the oil pipe joint 6; the end surfaces of the liquid inlet pipe 3 and the liquid outlet pipe 4 which are contacted with the oil pipe joint 6 are fixedly provided with a combined gasket 7.

The utility model discloses an in placing feed liquor pipe 3 and drain pipe 4 inner wall in with inserts 5 in, inserts 5's terminal surface is totally enveloped by the plastics material of feed liquor pipe 3 and drain pipe 4, and leave the certain distance between inserts 5's terminal surface and feed liquor pipe 3 and the drain pipe 4, and with combination packing ring 7 direct seal on feed liquor pipe 3 and drain pipe 4's terminal surface, in order to form relatively stable seal structure, make inserts 5 and feed liquor pipe 3 and drain pipe 4's faying face no longer contact with combination packing ring 7, the target liquid of having avoided because of faying face department leaks and arouse leaks and leaks.

In the embodiment of the present invention, the outer surface of the insert 5 is provided with a plurality of bumps 51, and the plurality of bumps 51 are embedded in the inner walls of the liquid inlet pipe 3 and the liquid outlet pipe 4. Form unevenness's state through a plurality of lugs 51 surface to increase the surface area of inserts 5 and the envelope of feed liquor pipe 3 and drain pipe 4, and through in the plastics material with a plurality of lugs 51 embedding feed liquor pipe 3 and drain pipe 4, thereby guarantee that inserts 5 can stably fix in the inner wall of feed liquor pipe 3 and drain pipe 4 and do not take place to slide.

The embodiment of the utility model provides an in, combination packing ring 7 includes rubber pad 71 and skeleton 72, and rubber pad 71 fixed mounting has the adhesive on the terminal surface that contacts with oil pipe joint 6 respectively of feed liquor pipe 3 and drain pipe 4, the coating of skeleton 72 surface, bonds it at rubber pad 71's surface through the adhesive, and skeleton 72 adopts the better material of extensibility performance to make in this embodiment. When the combined gasket 7 is sealed on a plastic material, the elasticity of the rubber gasket 71 and the ductility of the framework 72 form a relatively stable double sealing structure for the enveloping surfaces of the liquid inlet pipe 3 and the liquid outlet pipe 4, so that the leakage of target liquid caused by the leakage at the joint surface can be effectively prevented.

In the embodiment of the present invention, the surface of the outer side of the end of the oil pipe joint 6 away from the insert 5 is provided with an inverted triangle. Thereby ensuring the stability of the oil pipe joint 6 during connection.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A prevent leaking interface structure for liquid filter, includes filtering seat (1), its characterized in that: strain seat (1) bottom fixedly connected with feed liquor pipe (3), strain seat (1) side surface fixedly connected with drain pipe (4), the inner wall at feed liquor pipe (3) and drain pipe (4) both ends is fixed the scarf joint separately and has inserts (5), inserts (5) surface is provided with a plurality of lugs (51), a plurality of lugs (51) gomphosis are in the inner wall of feed liquor pipe (3) and drain pipe (4), and the terminal surface of inserts (5) all is located the inside of feed liquor pipe (3) and drain pipe (4), all is provided with the distance separately in the axial between the terminal surface of inserts (5) and the terminal surface of adjacent feed liquor pipe (3) or drain pipe (4).

2. A leak-proof interface structure for a liquid filter as defined in claim 1, wherein: the liquid inlet pipe (3) and the liquid outlet pipe (4) are made of plastic, and the insert (5) is made of metal.

3. A leak-proof interface structure for a liquid filter as defined in claim 1, wherein: the inner surface of the insert (5) is movably connected with the end part of the oil pipe joint (6), and the outer side surface of one end, far away from the insert (5), of the oil pipe joint (6) is in an inverted triangle shape.