CN217077016U - Filter element for ultrapure water filter - Google Patents

Abstract

The utility model discloses a filter element for an ultrapure water filter, one end of a cylinder is provided with a water inlet end cover, the other end of the cylinder is provided with a water outlet end cover, the water inlet end cover comprises a cover plate and a threaded connector, one end of the cover plate is provided with the threaded connector, the side wall of the threaded connector is internally provided with a plurality of L-shaped runners, the filter is arranged inside the L-shaped runners and near one end of the cover plate, the filter shell is of a cylindrical structure, the filter shell is arranged inside the L-shaped runners near one end of the cover plate in a threaded manner, a filter element main body is arranged in the cylinder, the bottom end of the filter element main body is supported on the threaded connector, the bottom end of the filter element main body is spliced with a limit boss at the top end of the threaded connector, the utility model has reasonable structure, the filter is arranged inside the L-shaped runners, impurities in water can be primarily filtered through the filter, the load of the filter element main body is greatly reduced, thereby improving the filtering effect, the service life of the filter element main body is prolonged, and the stability of the filter element main body in use is greatly improved.

Description

A filter element for ultrapure water filter

technical field

The utility model relates to the field of physics, in particular to filtration technology, in particular to a filter element for an ultrapure water filter.

Background technique

The filter element used in the ultrapure water filter is directly installed inside the shell, and then connected to the filter. During use, only the filter element body is used for filtration treatment. The filter element body has high load and short service life. Therefore, an improved filter is urgently needed. technology to solve the above problems existing in the prior art.

Utility model content

The purpose of the utility model is to provide a filter element for an ultrapure water filter. The inner wall of the water inlet end cover is provided with a number of L-shaped flow channels, and the L-shaped flow channels are all provided with filters, through which impurities in the water can be preliminarily removed Filtration greatly reduces the load on the main body of the filter element, thereby improving the filtering effect and improving the service life of the main body of the filter element. The stability of the filter element body during use is improved, so that the deformation of the filter element body caused by the large water flow can be avoided, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a filter element for an ultrapure water filter, comprising a casing and a filter element body;

The casing comprises a cylinder body, a water inlet end cover and a water outlet end cover, one end of the cylinder body is provided with a water inlet end cover, and the other end of the cylinder body is provided with a water outlet end cover;

The water inlet end cover includes a cover plate and a threaded connection port, one end of the cover plate is provided with a threaded connection port, the outer wall of the threaded connection port is provided with an external thread, and the inner wall of the water inlet end of the cylinder is provided with an internal thread, And the inner thread is matched with the outer thread of the threaded connection port, a plurality of L-shaped flow channels are opened inside the side wall of the threaded connection port, and one end of the L-shaped flow channel away from the cover plate penetrates the outside of the threaded connection port, so One end of the L-shaped flow channel close to the cover plate runs through the inner side wall of the threaded connection port, a filter is arranged inside the L-shaped flow channel and one end close to the cover plate, and the end of the threaded connection port away from the cover plate is provided with a limit boss;

The filter includes a filter housing and a filter core, the filter housing is a cylindrical structure, a filter core is arranged inside the filter housing, and the filter housing is threadedly mounted on the L-shaped flow channel close to the the inside of one end of the cover;

The filter element body is arranged in the cylinder, the bottom end of the filter element body is supported on the threaded connection port, the bottom end of the filter element body is inserted into the limiting boss at the top end of the threaded connection port, and the top end of the filter element body is connected with the water outlet end cap There is a gap between the outer wall of the filter element body and the inner wall of the cylinder, and one end of the L-shaped flow channel away from the cover plate is communicated with the gap between the outer wall of the filter element body and the inner wall of the cylinder.

Preferably, the utility model provides a filter element for an ultrapure water filter, wherein the water inlet end cap and the water outlet end cap are both provided with interfaces for connecting with pipes.

Preferably, the utility model provides a filter element for an ultrapure water filter, wherein the water outlet end cap is connected to the cylinder body by means of screw connection, and the water outlet end cap is installed and disassembled.

Preferably, the present invention provides a filter element for an ultrapure water filter, wherein a first sealing ring is provided at the connection between the cylinder body and the water inlet end cover, which is used for sealing between the cylinder body and the water inlet end cover. .

Preferably, the present utility model provides a filter element for an ultrapure water filter, wherein a second sealing ring is provided at the connection between the cylinder body and the water outlet end cover, which is used for sealing between the cylinder body and the water outlet end cover.

Preferably, the present utility model provides a filter element for an ultrapure water filter, wherein a third sealing ring is provided on the periphery of one end of the filter element body close to the water outlet end cover, which is used for further sealing between the cylinder body and the water outlet end cover. .

Preferably, the present invention provides a filter element for an ultrapure water filter, wherein the outer diameter of the bottom of the filter element body is consistent with the inner diameter of the limiting boss to ensure the stability of the filter element body.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) There are several L-shaped flow channels on the inner wall of the water inlet end cover, and filters are installed inside the L-shaped flow channels. The impurities in the water can be preliminarily filtered through the filter, which greatly reduces the load of the filter element body and improves the filtering effect. At the same time, the service life of the main body of the filter element is improved.

(2) The bottom end of the filter element body is supported on the threaded connection port of the water inlet end cap and is laterally limited by the limiting boss, which greatly improves the stability of the filter element body during use, thereby avoiding the deformation of the filter element body caused by the large water flow. .

(3) The filter is installed by threaded connection, which is easy to replace, and the water inlet end cover is detachable, which is also convenient for cleaning the inside of the water inlet end cover.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the utility model at the water inlet end cover;

Fig. 3 is the structural schematic diagram of the utility model at the water outlet end cover;

Figure 4 is a schematic diagram of the filter structure.

In the figure: cylinder 1, water inlet end cap 2, water outlet end cap 3, filter 4, filter element body 5, interface 6, first sealing ring 7, second sealing ring 8, third sealing ring 9, cover plate 201 , threaded connection port 202 , L-shaped flow channel 203 , limit boss 204 , filter housing 401 , filter element 402 .

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention;

It should be noted that, in the description of the present invention, it should be noted that the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left" "The orientation or positional relationship indicated by "right" and the like is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific Orientation, construction and operation in a particular orientation, and therefore should not be construed as a limitation of the present invention.

1-4, the present utility model provides a technical solution: a filter element for an ultrapure water filter, comprising a casing and a filter element body 5; the casing comprises a cylinder body 1, a water inlet end cover 2 and a water outlet end cover 3, One end of the cylinder body 1 is provided with a water inlet end cap 2, the other end of the cylinder body 1 is provided with a water outlet end cap 3, and both the water inlet end cap 2 and the water outlet end cap 3 are provided with an interface 6, and the water outlet end cap 3 is connected with the screw thread. The cylinder body 1 is connected, a first sealing ring 7 is provided at the connection between the cylinder body 1 and the water inlet end cover 2, and a second sealing ring 8 is provided at the connection between the cylinder body 1 and the water outlet end cover 3; the water inlet end cover 2 includes a cover plate 201 and threaded connection port 202, one end of the cover plate 201 is provided with a threaded connection port 202, the outer wall of the threaded connection port 202 is provided with an external thread, the inner wall of the water inlet end of the cylinder 1 is provided with an internal thread, and the internal thread and the threaded connection port 202 are provided. The outer thread is matched, and a number of L-shaped flow channels 203 are opened inside the side wall of the threaded connection port 202 . Passing through the inner side wall of the threaded connection port 202, a filter 4 is provided inside the L-shaped flow channel 203 and at one end close to the cover plate 201, and a limiting boss 204 is provided at the end of the threaded connection port 202 away from the cover plate 201; the filter 4 includes a filter Housing 401 and filter element 402, the filter housing 401 is a cylindrical structure, the filter housing 401 is provided with a filter core 402, and the filter housing 401 is threadedly mounted on the interior of the L-shaped flow channel 203 close to one end of the cover plate 201 The filter element main body 5 is arranged in the cylinder body 1, the bottom end of the filter element main body 5 is supported on the threaded connection port 202, the bottom end of the filter element main body 5 is inserted into the limiting boss 204 at the top of the threaded connection port 202, and the outer diameter of the bottom of the filter element main body 5 is inserted. Consistent with the inner diameter of the limiting boss 204, the top end of the filter element body 5 is connected to the water outlet end cover 3, there is a gap between the outer wall of the filter element body 5 and the inner wall of the cylinder 1, and the end of the L-shaped flow channel 203 away from the cover plate 201 is connected to the filter element body. The outer wall of 5 communicates with the gap between the inner wall of the cylinder body 1 , and a third sealing ring 9 is provided on the periphery of one end of the filter element body 5 close to the water outlet end cover 3 .

Assembly method and principle of use: First, install the filter housing 401 with the filter element 402 inside in the L-shaped flow channel 203 of the threaded connection port 202 of the water inlet end cover 2, and then connect the water inlet end cover 2 by threaded connection. The port 202 is installed in the lower part of the cylinder body 1, then the filter element body 5 is inserted into the cylinder body 1, and the bottom end of the filter element body 5 is supported on the upper surface of the screw connection port 202 of the water inlet end cover 2, and the bottom end of the filter element body 5 is supported. It is inserted into the limiting boss 204. At this time, the top end of the filter element main body 5 is flush with the upper surface of the cylinder body 1, and then the water outlet end cap 3 is covered to complete the assembly. When in use, the water inlet end cap 2 is connected to the water inlet pipe through the interface 6, the water outlet end cap 3 is connected to the water outlet pipe through the interface 6, the water flow enters from the water inlet end cap 2, and enters the filter element body through the filter 4 and the L-shaped flow channel 203. 5 and the cylinder body 1, then pass through the main body of the filter element 402 and enter the interior of the filter element main body 5, and then the water is discharged from the water outlet end cap 3 to complete the filtration. The utility model has a reasonable structure. A number of L-shaped flow channels 203 are opened on the inner wall of the water inlet end cover 2, and filters 4 are arranged inside the L-shaped flow channels 203. The impurities in the water can be preliminarily filtered through the filter 4, which greatly reduces the filter element. The load of the main body 5 is improved, so as to improve the filtering effect and at the same time improve the service life of the filter element main body 5; the bottom end of the filter element main body 5 is supported on the threaded connection port 202 of the water inlet end cover 2 and is laterally limited by the limit boss 204, which greatly reduces the load on the main body 5. The stability of the filter element main body 5 during use is improved, so that the deformation of the filter element main body 5 caused by the large water flow can be avoided; Cleaning treatment inside the water inlet end cover 2.

What is not described in detail in the present invention is the well-known technology of those skilled in the art.

Finally, it should be noted that: the above specific embodiments are only used to illustrate the technical solutions of the present utility model rather than limitations. Although the present utility model has been described in detail with reference to the examples, those of ordinary skill in the art should The technical solutions can be modified and equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be included in the scope of the claims of the present invention.

Claims (7)

1. A filter element for an ultrapure water filter, characterized in that: comprising a casing and a filter element main body (5); The casing comprises a cylinder body (1), a water inlet end cover (2) and a water outlet end cover (3). One end of the cylinder body (1) is provided with a water inlet end cover (2), and the cylinder body (1) The other end is provided with a water outlet end cover (3); The water inlet end cover (2) comprises a cover plate (201) and a threaded connection port (202), one end of the cover plate (201) is provided with a threaded connection port (202), and the outer wall of the threaded connection port (202) An external thread is provided, the inner wall of the water inlet end of the cylinder body (1) is provided with an internal thread, and the internal thread cooperates with the external thread of the threaded connection port (202), and the side wall of the threaded connection port (202) is inside A number of L-shaped flow channels (203) are opened, and one end of the L-shaped flow channel (203) away from the cover plate (201) penetrates through the outside of the threaded connection port (202), and the L-shaped flow channel (203) is close to the cover plate. One end of (201) runs through the inner side wall of the threaded connection port (202), a filter (4) is provided inside the L-shaped flow channel (203) and one end close to the cover plate (201), and the threaded connection port (202) A limiting boss (204) is arranged at one end away from the cover plate (201); The filter (4) includes a filter housing (401) and a filter core (402), the filter housing (401) is a cylindrical structure, and a filter core is provided inside the filter housing (401). (402), the filter housing (401) is threadedly mounted inside the L-shaped flow channel (203) close to one end of the cover plate (201); The filter element body (5) is arranged in the cylinder body (1), the bottom end of the filter element body (5) is supported on the threaded connection port (202), and the bottom end of the filter element body (5) is connected with the threaded connection port (202). The limiting boss (204) at the top is plugged in, the top of the filter element body (5) is connected to the water outlet end cover (3), and a gap is left between the outer wall of the filter element body (5) and the inner wall of the cylinder (1). One end of the L-shaped flow channel (203) away from the cover plate (201) communicates with the gap between the outer wall of the filter element main body (5) and the inner wall of the cylinder (1). 2 . The filter element for an ultrapure water filter according to claim 1 , wherein the water inlet end cap ( 2 ) and the water outlet end cap ( 3 ) are both provided with an interface ( 6 ). 3 . 3 . The filter element for ultrapure water filter according to claim 1 , wherein the water outlet end cap ( 3 ) is connected with the cylinder body ( 1 ) by means of screw connection. 4 . 4 . The filter element for ultrapure water filter according to claim 1 , wherein a first sealing ring ( 7 ) is provided at the connection between the cylinder body ( 1 ) and the water inlet end cover ( 2 ). 5 . 5 . The filter element for ultrapure water filter according to claim 1 , wherein a second sealing ring ( 8 ) is provided at the connection between the cylinder body ( 1 ) and the water outlet end cover ( 3 ). 6 . 6 . The filter element for an ultrapure water filter according to claim 1 , wherein a third sealing ring ( 9 ) is provided on the periphery of one end of the filter element body ( 5 ) close to the water outlet end cover ( 3 ). 7 . 7 . The filter element for an ultrapure water filter according to claim 1 , wherein the outer diameter of the bottom of the filter element body ( 5 ) is consistent with the inner diameter of the limiting boss ( 204 ). 8 .

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