CN210583916U

CN210583916U - Filter bag and bag filter

Info

Publication number: CN210583916U
Application number: CN201920820320.XU
Authority: CN
Inventors: 逯安国
Original assignee: Hangzhou Zhenshui Fluid Technology Co ltd
Current assignee: Hangzhou Zhenshui Fluid Technology Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-05-22
Anticipated expiration: 2029-05-31

Abstract

The application discloses filter bag and bag filter, wherein, the filter bag, including the bag body and install the annular plate on the bag body, the built-in extension of bag body, the extension is used for strutting the bag body, the annular plate is used for installing the filter bag on the filter. The utility model discloses have following useful part: the filter bag is internally provided with the dilatant, so that the filter bag is not easy to deform and has better cleaning effect in the process of cleaning or backwashing the filter bag by the filter.

Description

Filter bag and bag filter

Technical Field

The utility model relates to a water treatment technical field, concretely relates to filter bag and bag filter.

Background

One end of a filter bag in the prior art is open, the other end of the filter bag is closed, the open end of the filter bag is provided with an annular plate, and in the process that the filter bag is cleaned by the filter, the filter bag body is easily deformed under the influence of water flow, so that the cleaning effect is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a filter bag is proposed.

The utility model adopts the following technical scheme:

a filter bag comprises a bag body and an annular plate installed on the bag body, wherein an expander is arranged in the bag body and used for expanding the bag body, and the annular plate is used for installing the filter bag on a filter.

According to the scheme, the expansion objects are placed in the filter bag, so that the filter bag is not easy to deform and has a better cleaning effect in the process of cleaning or backwashing the filter bag by the filter.

Preferably, the expansion object comprises a body and a port, the body is uniformly distributed with filter holes, the body is attached to the bag body, and the port is attached to the annular plate. The expansion object and the filter bag can be separated, can be directly taken out of the filter bag, and is simple and convenient.

Preferably, the expansion object comprises a support and at least one support rod, one end of the support rod is connected with the annular plate, the other end of the support rod is connected with the support, and the support is used for supporting the bag body.

Preferably, the expansion piece comprises a plurality of support rods, one ends of the support rods are connected with the annular plate, and the support rods are uniformly distributed along the axis of the annular plate. The filter bag can be supported by a plurality of support rods, so that the filter bag is convenient to clean.

Preferably, the annular plate and the stay bar are integrally injection-molded.

Preferably, the annular plate is provided with a rod sleeve, and the stay bar is detachably connected with the annular plate through the rod sleeve. The detachable setting of vaulting pole makes the filter bag portable and transportation.

Preferably, the annular plate is provided with a handle, and the handle is arranged on the inner side wall of the annular plate. The arrangement of the handle is convenient for the installation and the taking out of the filter bag.

Preferably, the handles are arc-shaped, and the number of the handles is two.

Preferably, the stent is made of stainless steel. The stainless steel can effectively prevent the corrosion of impurities in the filtrate.

The utility model also discloses a bag filter, include base, casing and place the filter bag in the casing, the filter bag be the above the filter bag.

The utility model has the advantages that: the filter bag is internally provided with the expansion object, so that the filter bag is not easy to deform and has better cleaning effect in the process of cleaning or back flushing the filter bag by the filter.

Description of the drawings:

FIG. 1 is a schematic illustration of a filter bag with an internal dilator;

FIG. 2 is a schematic view showing the structure of the stent of example 1;

FIG. 3 is a schematic view showing the structure of the stent of example 2;

FIG. 4 is a schematic structural view of the stent of example 3;

FIG. 5 is a schematic view of the construction of the rod sleeve;

fig. 6 is a schematic view of the handle.

The figures are marked with the reference numbers 1, a ring plate, 2, a bag body, 3, an expander, 301, a body, 302, a port, 303, a support rod, 304, a support, 305, a rod sleeve, 4 and a handle.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

Example 1

As shown in figure 1, the filter bag of the utility model comprises a bag body 2 and an annular plate 1 arranged on the bag body, an expander 3 is arranged in the bag body 2, the expander 3 is used for expanding the bag body 2, and the annular plate 1 is used for installing the filter bag on the filter. The filter bag is internally provided with the expander 3, so that the filter bag is not easy to deform and has better cleaning effect in the process of cleaning or backwashing the filter bag by the filter.

As shown in fig. 2, the expander 3 comprises a body 301 and a port 302, wherein the body 301 is uniformly distributed with filter holes, the body 301 is attached to the bag body 2, and the port 302 is attached to the annular plate 1. The expansion object 3 can be separated from the filter bag and can be directly taken out of the filter bag, and the expansion device is simple and convenient.

As shown in fig. 6, two arc-shaped handles 4 are arranged on the annular plate 1, and the handles 4 are arranged on the inner side wall of the annular plate 1. The arrangement of the handle is convenient for the installation and the taking out of the filter bag.

In this embodiment, the expander 3 is made of stainless steel, which can effectively prevent the corrosion of impurities in the filtrate.

Example 2

As shown in fig. 3, the present embodiment is different from embodiment 1 in the structure of the stent 3.

In this embodiment, the expansion member 3 comprises a support 304 and a support rod 303, one end of the support rod 303 is connected to the annular plate 1, and the other end is connected to the support 304, and the support 304 is used for supporting the bag body 2. In other embodiments, the number of the struts 303 is not limited to one, and may be more than 2.

Example 3

As shown in fig. 4 and 5, this embodiment is different from

embodiments

1 and 2 in that the structure of the stent 3 is different.

In this embodiment, the expander 3 comprises a plurality of struts 303, one end of each strut 303 is connected to the annular plate 1, and the struts 303 are uniformly distributed along the axis of the annular plate 1; the annular plate 1 is provided with a rod sleeve 305, and the stay rod 303 is detachably connected with the annular plate 1 through the rod sleeve 305. The filter bag can be supported by the support rods 303, so that the filter bag is convenient to clean, and the filter bag is convenient to carry and transport due to the detachable arrangement of the support rods 303. In other embodiments, the annular plate 1 and the stay bar 303 may be integrally injection molded.

The utility model also discloses a bag filter, including base (not drawn in the picture), casing (not drawn in the picture) and place the filter bag in the casing, the filter bag be above-mentioned.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The filter bag is characterized by comprising a bag body and an annular plate arranged on the bag body, wherein an expander is arranged in the bag body and used for expanding the bag body, and the annular plate is used for installing the filter bag on the filter;

the expansion object comprises a body and a port, wherein filter holes are uniformly distributed in the body, the body is attached to the bag body, and the port is attached to the annular plate;

or the expansion object comprises a support and at least one support rod, one end of the support rod is connected with the annular plate, the other end of the support rod is connected with the support, and the support is used for supporting the bag body.

2. The filter bag of claim 1, wherein the annular plate and the brace bar are integrally injection molded.

3. The filter bag of claim 1, wherein the annular plate is provided with a rod sleeve, and the stay rod is detachably connected with the annular plate through the rod sleeve.

4. The filter bag of claim 1, wherein the annular panel has a handle disposed on an inner sidewall of the annular panel.

5. The filter bag of claim 4, wherein the handles are arcuate and the number of handles is two.

6. The filter bag of claim 1, wherein the expander is a stainless steel material.

7. A bag filter, comprising a base, a housing and a filter bag placed in the housing, wherein the filter bag is the filter bag of any one of claims 1 to 6.