CN218961922U

CN218961922U - Filter with connect differential pressure table structure

Info

Publication number: CN218961922U
Application number: CN202221962201.6U
Authority: CN
Inventors: 史庆旺; 朱明泽; 高永强; 王佑; 吴伟
Original assignee: Jiuchang New Energy Technology Yangzhou Co ltd; Hebei Shichang Auto Parts Co Ltd
Current assignee: Jiuchang New Energy Technology Yangzhou Co ltd; Hebei Shichang Auto Parts Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-05-05
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to a filter with a structure for connecting a differential pressure meter, which comprises a cylinder body, an upper cover and a filter element assembly, wherein one end of the cylinder body is connected with the upper cover, the filter element assembly is arranged on the inner side of the upper cover, the other end of the cylinder body and the outer side of the upper cover are respectively provided with a mounting part with a cylindrical bulge structure, the mounting part of the cylinder body is provided with a water inlet pipe, the mounting parts of the upper cover are respectively provided with a water outlet pipe, the side walls of the two mounting parts are respectively provided with a mounting seat with a cylindrical structure, the adjacent sides of the two mounting seats are respectively connected with the end face of the upper cover and the end face of the cylinder body, the mounting seats are internally penetrated and provided with mounting cavities, the mounting cavities are communicated with the inner cavity of the cylinder body, and metal nuts for being in threaded connection with a differential pressure meter connecting piece are respectively arranged in the mounting cavities, so that parts in the system are effectively reduced, the cost is reduced, and the connection of the differential pressure meter is facilitated.

Description

Filter with connect differential pressure table structure

Technical Field

The utility model belongs to the technical field of hydrogen fuel cell cooling systems, relates to a part for filtering cooling liquid, and in particular relates to a filter with a connection differential pressure meter structure.

Background

With the increasing environmental protection and carbon emission reduction requirements of the international society, the development of clean energy is more and more widely paid attention, and the development and utilization of hydrogen energy are typical representatives. At present, all big automobile main engine factories worldwide are exploring and researching and developing hydrogen fuel cell automobiles, and the research and development of related parts are in a starting stage due to the new energy power field, but the hydrogen fuel cell parts are developed towards integration and simplification due to the limitation of the space size of the hydrogen fuel commercial automobile.

At present, a cooling liquid filter is arranged on a main path of a cooling system, the pressure drop of the filter is required not to be overlarge, the pressure drop capacity of the cooling liquid filter is required to be monitored, and the overlarge pressure drop of the whole system is prevented from influencing the system operation. The common monitoring method is to additionally install connectors on the two end pipelines before and after the inlet and the outlet of the filter, so as to connect a differential pressure meter to monitor the pressure drop. This approach increases the number of system components, not only increases costs, but also is relatively cumbersome to assemble and maintain.

Disclosure of Invention

The utility model aims at solving the problems that the connection of the differential pressure meter of the cooling system of the hydrogen fuel cell is complicated.

The specific technical scheme is as follows:

the utility model provides a filter with connect differential pressure table structure, includes barrel, upper cover and filter core assembly, barrel one end is connected through spin welding's mode the upper cover, and the upper cover inboard sets up the filter core assembly, the barrel other end and the upper cover outside all are equipped with cylindrical protruding structure's installation department, and are equipped with the inlet tube on the barrel installation department, are equipped with the outlet pipe on the upper cover installation department, two all be equipped with cylindrical structure's mount pad on the installation department lateral wall, two the adjacent one side of mount pad is connected with upper cover terminal surface and barrel terminal surface respectively, and the inside installation cavity that runs through of mount pad is equipped with, installation cavity and barrel inner chamber intercommunication, and all be provided with the metal nut that is used for carrying out threaded connection with the differential pressure table connecting piece in the installation cavity.

Further, the mounting seats on the two mounting portions are corresponding in position.

Further, the metal nut and the mounting seat are integrally injection molded.

Further, a plurality of raised positioning rings are arranged on the inner wall of the installation cavity, and a plurality of positioning grooves are arranged on the outer wall of the metal nut, so that the installation cavity is matched with the positioning rings to position the metal nut.

Further, the filter element assembly is fixedly connected with the inner side of the upper cover in an epoxy resin gluing mode.

Further, the inner diameter of the installation part is larger than the inner diameters of the water inlet pipe and the water outlet pipe.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the mounting seat is arranged on the mounting part and is fixedly connected with the connecting piece of the differential pressure meter through the metal nut in the mounting seat, so that the parts in the system are effectively reduced, the cost is reduced, and the connection of the differential pressure meter is facilitated; meanwhile, the metal nut and the mounting seat are integrally injection molded, so that liquid leakage can be effectively prevented, and under the cooperation of the positioning groove and the positioning ring, the metal nut is effectively prevented from moving.

(2) The utility model is provided with the mounting part with the cylindrical bulge structure on the end face of the upper cover, not only provides a fixed position for the metal nut and is matched with the connection of the differential pressure meter, but also can limit the mounting of the hose, and meanwhile, the sectional area of the mounting part is larger than that of the inlet and the outlet, so that the liquid pressure is not influenced.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side cross-sectional view of the present utility model.

Fig. 3 is a cross-sectional view of the mid-mount of the present utility model.

Barrel 1, inlet tube 11, installation department 12, mount pad 13, installation cavity 131, holding ring 132, metal nut 14, constant head tank 141, upper cover 2, outlet pipe 21, filter core assembly 3.

Detailed Description

In order to make the technical scheme of the utility model clearer and more definite, the utility model is further described below with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the utility model falls into the protection scope of the utility model. The fixed connection mentioned in the utility model is a common connection mode in the mechanical field, and the fixed connection can be realized by welding, bolt-nut connection and screw connection.

In the description of the utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.

As shown in fig. 1-3, a filter with a differential pressure meter connection structure comprises a cylinder body 1, an upper cover 2 and a filter element assembly 3, wherein one end of the cylinder body 1 is connected with the upper cover 2 in a rotary welding mode, the inner side of the upper cover 2 is provided with the filter element assembly 3, the other end of the cylinder body 1 and the outer side of the upper cover 2 are both provided with a mounting part 12 with a cylindrical bulge structure, the mounting part 12 of the cylinder body 1 is provided with a water inlet pipe 11, the mounting part 12 of the upper cover 2 is provided with a water outlet pipe 21, two side walls of the mounting part 12 are both provided with mounting seats 13 with cylindrical structures, two adjacent sides of the mounting seats 13 are respectively connected with the end face of the upper cover 2 and the end face of the cylinder body 1, a mounting cavity 131 is penetrated and arranged in the mounting seat 13, the mounting cavity 131 is communicated with the inner cavity of the cylinder body 1, the mounting cavity 131 is provided with a metal nut 14 which is in threaded connection with a differential pressure meter connector, and the size of the metal nut 14 is matched with the size of the mounting cavity 131. Further, the mounting seats 13 on the two mounting portions 12 are positioned correspondingly.

Further, the metal nut 14 and the mounting seat 13 are integrally injection molded.

Further, the inner wall of the mounting cavity 131 is provided with a plurality of raised positioning rings 132, the outer wall of the metal nut 14 is provided with a plurality of positioning grooves 141 adapted to the positioning rings 132, and the positioning of the mounting cavity 131 to the metal nut 14 is realized by matching the positioning grooves 141 with the positioning rings 132, so as to prevent the metal nut 14 from moving.

Further, the filter element assembly 3 is fixedly connected with the inner side of the upper cover 2 in an epoxy resin gluing mode.

Further, the inner diameter of the mounting portion 12 is larger than the inner diameters of the water inlet pipe 11 and the water outlet pipe 21.

Working principle: when the system is used, the cooling liquid flows out from the water outlet pipe 21 after flowing through the filter screen from the water inlet pipe 11; in this process, the differential pressure gauge connected to the metal nut 14 can measure the pressure drop of the filter according to the different pressures of the water inlet and outlet.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The utility model provides a filter with connect differential pressure table structure, includes barrel (1), upper cover (2) and filter core assembly (3), barrel (1) one end is connected through spin welding's mode upper cover (2), upper cover (2) inboard setting filter core assembly (3), a serial communication port, barrel (1) other end and upper cover (2) outside all are equipped with cylindrical protruding structure's installation department (12), and are equipped with inlet tube (11) on barrel (1) installation department (12), are equipped with outlet pipe (21) on upper cover (2) installation department (12), two all be equipped with cylindrical structure's mount pad (13) on installation department (12) lateral wall, two adjacent one side of mount pad (13) is connected with upper cover (2) terminal surface and barrel (1) terminal surface respectively, and mount pad (13) inside run through and are equipped with installation cavity (131), installation cavity (131) and barrel (1) inner chamber intercommunication, and all be provided with in installation cavity (131) and be used for carrying out threaded connection's metal nut (14) with differential pressure table connecting piece.

2. A filter with a structure for connecting a differential pressure gauge according to claim 1, characterized in that the mounting seats (13) on two of said mounting portions (12) are positioned in correspondence.

3. A filter with a structure for connecting a differential pressure gauge according to claim 2, characterized in that the metal nut (14) is injection molded integrally with the mounting seat (13).

4. A filter with a structure for connecting a differential pressure gauge according to claim 3, wherein the inner wall of the installation cavity (131) is provided with a plurality of convex positioning rings (132), the outer wall of the metal nut (14) is provided with a plurality of positioning grooves (141), and the positioning of the installation cavity (131) to the metal nut (14) is realized by matching the positioning grooves (141) with the positioning rings (132).

5. A filter with a structure for connecting a differential pressure gauge according to claim 1, characterized in that the filter element assembly (3) is fixedly connected with the inner side of the upper cover (2) by means of epoxy resin gluing.

6. A filter with a structure for connecting a differential pressure gauge according to claim 2, characterized in that the inner diameter of the mounting portion (12) is larger than the inner diameters of the water inlet pipe (11) and the water outlet pipe (21).