CN211215769U

CN211215769U - Filter with conveniently replaced filter element

Info

Publication number: CN211215769U
Application number: CN201922208377.7U
Authority: CN
Inventors: 袁飞; 袁志国; 项英俊; 李志伟
Original assignee: Jiangsu Zhongni Machinery Technology Co ltd
Current assignee: Jiangsu Zhongni Machinery Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-11
Anticipated expiration: 2029-12-11

Abstract

The utility model belongs to the technical field of the filter, especially, a conveniently change filter of filter core, including the upper filter casing and with the detachable lower filter casing that is connected of upper filter casing, the interior diapire of lower filter casing is fixed with flexible post, the top surface of annular backup pad is provided with the filter core casing, screw-thread fit has the cap on the lower extreme outer wall of filter core casing, the inside of filter core casing is provided with the filter core main part, the top of upper filter casing is provided with the outlet pipe, the lower extreme of outlet pipe extends to the inside of upper filter casing and is connected with the location section of thick bamboo, the upper end of filter core casing is in the location section of thick bamboo, the side upper portion of upper filter casing is provided with the inlet tube; the utility model discloses filter casing under the closure, along with filter casing and last filter casing's continuous sealed down, the upper end that drives the flexible post of elasticity constantly supports and presses filter core casing, makes first sealing washer and second sealing washer closely cooperate to be connected to realize sealing connection.

Description

Filter with conveniently replaced filter element

Technical Field

The utility model relates to a filter technical field especially relates to a conveniently change filter of filter core.

Background

When the filter element of the existing filter for water treatment is replaced, the existing filter for water treatment needs to be disassembled layer by layer in order to prevent the sealing property from being damaged, so that the sealing property is ensured;

in order to solve the problem, the filter with the conveniently replaced filter element is provided in the application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a filter of convenient renew cartridge has convenient renew cartridge, and changes simple characteristics.

(II) technical scheme

In order to solve the problem, the utility model provides a conveniently change filter of filter core, including last filter housing and with the lower filter housing of the detachable connection of last filter housing, the interior diapire of filter housing is fixed with flexible post down, the upper end of flexible post is fixed with annular support plate, annular support plate's top surface is provided with filter housing, screw-thread fit has the cap on filter housing's the lower extreme outer wall, filter housing's inside is provided with the filter core main part, the top of going up filter housing is provided with the outlet pipe, the lower extreme of outlet pipe extends to filter housing's inside and is connected with the location section of thick bamboo, filter housing's upper end is in the location section of thick bamboo, the side upper portion of going up filter housing is provided with the inlet tube.

Preferably, an annular filter screen is arranged between the lower filter casing and the filter element casing, and a filter screen support frame is arranged at the lower part of the annular filter screen.

Preferably, the filter screen support frame includes first annular installation pole and second annular installation pole, first annular installation pole is fixed in on the inner wall of lower filter casing, second annular installation pole is fixed in on the outer wall of filter core casing, the top surface inboard of first annular installation pole is provided with first ring channel, the top surface outside of second annular installation pole is provided with the second ring channel.

Preferably, when the upper filter casing is connected with the lower filter casing, the first annular mounting rod and the second annular mounting rod are at the same level, the first annular groove and the second annular groove are at the same level, and the annular filter screen is positioned on the first annular groove and the second annular groove.

Preferably, the elastic telescopic column comprises a hollow rod, a spring piece fixed on the inner bottom wall of the hollow rod and a movable rod fixed at the upper end of the spring piece.

Preferably, the top surface, the bottom surface of filter core casing all are provided with circular opening, the top surface of filter core casing is fixed with first sealing washer, go up the interior roof of filter casing and be fixed with the second sealing washer with first sealing washer matched with.

The above technical scheme of the utility model has following profitable technological effect:

the utility model discloses a filter casing and lower filter casing on dismantling, it can be flange joint with lower filter casing to go up filter casing, after filter casing and lower filter casing on dismantling, the flexible post is along with lower filter casing downstream together, thereby make filter casing break away from the location section of thick bamboo, then directly take out filter casing, realize the direct change to the filter core, perhaps direct change to the filter core, need not take out filter casing, assemble new filter core back, close the cap, then filter casing under the closure, along with lower filter casing constantly sealed with last filter casing, the upper end that drives the flexible post constantly supports and presses filter casing, make first sealing washer and second sealing washer closely cooperate and be connected, thereby realize sealing connection.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a top view of the middle filter screen support frame of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a conveniently change filter of filter core, including last filter housing 1 and the lower filter housing 2 of being connected with last filter housing 1 is detachable, the inner bottom wall of lower filter housing 2 is fixed with flexible post 11, the upper end of flexible post 11 is fixed with annular support plate, annular support plate's top surface is provided with filter housing 5, screw-thread fit has cap 9 on filter housing 5's the lower extreme outer wall, filter housing 5's inside is provided with filter core main part 10, the top of going up filter housing 1 is provided with outlet pipe 7, the lower extreme of outlet pipe 7 extends to the inside of last filter housing 1 and is connected with a location section of thick bamboo 6, filter housing 5's upper end is in a location section of thick bamboo 6, the side upper portion of going up filter housing 1 is provided with inlet tube 8.

In this embodiment, it should be noted that an annular filter screen 4 is installed between the lower filter casing 2 and the filter element casing 5, and a filter screen support frame 3 is disposed at a lower portion of the annular filter screen 4.

In this embodiment, it should be noted that the filter screen support frame 3 includes a first annular mounting rod 301 and a second annular mounting rod 303, the first annular mounting rod 301 is fixed on the inner wall of the lower filter housing 2, the second annular mounting rod 303 is fixed on the outer wall of the filter element housing 5, a first annular groove 302 is disposed on the inner side of the top surface of the first annular mounting rod 301, and a second annular groove 304 is disposed on the outer side of the top surface of the second annular mounting rod 303.

In this embodiment, it should be noted that, when the upper filter casing 1 is connected with the lower filter casing 2, first annular installation pole 301 is in same level with second annular installation pole 303, and first ring channel 302 is in same level with second ring channel 304, and ring filter 4 is in on first ring channel 302 and the second ring channel 304, gets into the upper filter casing 1 from inlet tube 8 when the water, then through ring filter 4's primary filtration, can filter impurity for the first time, the utility model discloses well filter screen support frame 3 is movable, can fix a position ring filter 4, realizes the primary filtration of water.

In this embodiment, it should be noted that the elastic telescopic column 11 includes a hollow rod, a spring member fixed on the inner bottom wall of the hollow rod, and a movable rod fixed on the upper end of the spring member.

In this embodiment, the top surface and the bottom surface of the filter element housing 5 are both provided with circular opening portions 501, the top surface of the filter element housing 5 is fixed with a first sealing ring 13, and the inner top wall of the upper filter housing 1 is fixed with a second sealing ring 12 matched with the first sealing ring 13.

The utility model discloses an in the scheme, through dismantling filter casing 1 and lower filter casing 2, it can be flange joint with lower filter casing 2 to go up filter casing 1, after dismantling filter casing 1 and lower filter casing 2, elastic telescopic column 11 is along with lower filter casing 2 downstream together, thereby make filter casing 5 break away from location section of thick bamboo 6, then directly take out filter casing 5, realize the direct change to filter core 10, perhaps direct change to filter core 10, need not take out filter casing 5, after new filter core 10 is assembled, close cap 9, then filter casing 2 under the closure, along with lower filter casing 2 constantly sealed with last filter casing 1, the upper end that drives elastic telescopic column 11 constantly supports and presses filter casing 5, make first sealing washer 13 and second sealing washer 12 close fit and be connected, thereby realize sealing connection.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention.

Claims

1. A filter with a filter element convenient to replace comprises an upper filter shell (1) and a lower filter shell (2) detachably connected with the upper filter shell (1), it is characterized in that an elastic telescopic column (11) is fixed on the inner bottom wall of the lower filter shell (2), an annular supporting plate is fixed at the upper end of the elastic telescopic column (11), a filter element shell (5) is arranged on the top surface of the annular supporting plate, a shell cover (9) is in threaded fit with the outer wall of the lower end of the filter element shell (5), a filter element main body (10) is arranged inside the filter element shell (5), a water outlet pipe (7) is arranged at the top of the upper filter casing (1), the lower end of the water outlet pipe (7) extends into the upper filter casing (1) and is connected with a positioning cylinder (6), the upper end of the filter element shell (5) is positioned in the positioning cylinder (6), and the upper part of the side surface of the upper filter shell (1) is provided with a water inlet pipe (8).

2. The filter with the filter element convenient to replace according to claim 1, wherein an annular filter screen (4) is installed between the lower filter casing (2) and the filter element casing (5), and a filter screen support frame (3) is arranged at the lower part of the annular filter screen (4).

3. The filter facilitating filter element replacement according to claim 2, wherein the filter screen support frame (3) comprises a first annular mounting rod (301) and a second annular mounting rod (303), the first annular mounting rod (301) is fixed on the inner wall of the lower filter casing (2), the second annular mounting rod (303) is fixed on the outer wall of the filter element casing (5), a first annular groove (302) is arranged on the inner side of the top surface of the first annular mounting rod (301), and a second annular groove (304) is arranged on the outer side of the top surface of the second annular mounting rod (303).

4. A filter unit for facilitating filter cartridge replacement according to claim 3, wherein when the upper filter housing (1) is connected to the lower filter housing (2), the first annular mounting rod (301) and the second annular mounting rod (303) are at the same level, the first annular groove (302) and the second annular groove (304) are at the same level, and the annular filter net (4) is located at the first annular groove (302) and the second annular groove (304).

5. A filter for facilitating the replacement of filter cartridges as claimed in any one of claims 1 to 4, wherein the elastically telescopic column (11) comprises a hollow rod, a spring member fixed to the inner bottom wall of the hollow rod, and a movable rod fixed to the upper end of the spring member.

6. A filter unit facilitating filter element replacement according to claim 5, wherein the filter element housing (5) is provided with a circular opening (501) on both top and bottom surfaces, the top surface of the filter element housing (5) is fixed with a first sealing ring (13), and the inner top wall of the upper filter housing (1) is fixed with a second sealing ring (12) matched with the first sealing ring (13).