CN209771503U - Mounting structure for fixing filter screen cloth - Google Patents

Abstract

The utility model discloses a mounting structure for fixing filter screen cloth, including urceolus, inner tube and filter screen cloth, the urceolus is cylindrical, the inside of urceolus and inner tube is cavity respectively, the inner wall diameter of urceolus is greater than the outer wall diameter of inner tube, the inner tube is located the inside of urceolus, be provided with filter screen cloth between the outer wall of inner tube and the inner wall of urceolus, the both ends of inner tube are fixed first fixed block and the second fixed block of being provided with respectively, set up threaded hole in first fixed block and the second fixed block respectively. The utility model discloses a be provided with the filter screen cloth between urceolus and inner tube, can adjust the inner tube through fastening bolt moreover, be convenient for dismantle and change the filter screen cloth to be equipped with the annular groove at the urceolus inner wall, still be equipped with annular lug at the outer wall of inner tube, through using for supporting between annular groove and the annular lug, can increase the leakproofness between urceolus and the inner tube, be difficult to damage filter screen cloth, convenient to use moreover.

Description

Mounting structure for fixing filter screen cloth

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a mounting structure for fixing filter screen cloth.

Background

and (3) sewage treatment, namely a process of purifying the sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. The topics about water pollution are continuously raised, particularly the problem of underground water pollution, farmers or enterprises in Hangzhou and Wenzhou Zhejiang pay for the environmental protection captivity to go to the river and swim, so that attention to the serious degree of water pollution is brought to people. The pollution of surface water is obvious, and the pollution of underground water is eye surprise. In 13 hundred million people in China, 70% of groundwater is drunk, and in more than 660 cities, more than 400 cities use groundwater as drinking water sources. But 90% of the municipal groundwater throughout the country has been described to be contaminated. In China, a filter screen is always used in the process of filtering sewage.

1. When many equipment are fixed to the filter screen, all fix the inner wall at equipment through the screw with the periphery of filter screen, when dismantling and changing the filter screen, can cause the damage to the filter screen.

2. Most of filter screen fixed mounting structures are that an inner cylinder is arranged in an outer cylinder, and then the filter screen is fixed by the extrusion of the inner cylinder and the outer cylinder, but the filter screen can slide off under the impact of water due to poor sealing performance between the outer cylinder and the inner cylinder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting structure for fixing filter screen cloth to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mounting structure for fixing filter screen cloth, including urceolus, inner tube and filter screen cloth, the urceolus is cylindrical, the inside of urceolus and inner tube is cavity respectively, the inner wall diameter of urceolus is greater than the outer wall diameter of inner tube, the inner tube is located the inside of urceolus, be provided with filter screen cloth between the outer wall of inner tube and the inner wall of urceolus, the both ends of inner tube are fixed first fixed block and the second fixed block of being provided with respectively, set up threaded hole in first fixed block and the second fixed block respectively, fastening bolt is installed to screw hole internal thread, distance between first fixed block and the second fixed block is less than fastening bolt's length, the nut is installed to fastening bolt's a terminal thread.

Preferably, the inner wall of the outer cylinder is provided with an annular groove, the outer wall of the inner cylinder is provided with an annular bump at a position corresponding to the annular groove, and the annular bump and the annular groove are matched for use.

Preferably, the periphery of the annular bump is fixedly sleeved with an annular sealing element for improving the sealing property between the annular bump and the annular groove.

Preferably, the area of the filter screen cloth is larger than the cross section area of the outer barrel, so that the filtering effect is improved.

Preferably, the inner barrel is made of a polyethylene plastics material.

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

1. The utility model discloses a through be provided with the inner tube in the inside of urceolus, then be provided with the filter screen cloth between urceolus and inner tube, can fix the filter screen cloth through the extrusion between urceolus and inner tube, and the both ends of inner tube are fixed respectively and are provided with first fixed block and second fixed block, threaded mounting has fastening bolt between first fixed block and the second fixed block, still threaded mounting has the nut at fastening bolt's the other end, for supporting use between fastening bolt and the nut, can adjust the both ends of inner tube, when needing to change the filter screen cloth, only need to rotate fastening bolt and lift the inner tube off and just can take out the filter screen cloth, and can not filter the damage to the screen cloth, convenient to use;

2. The utility model discloses still seted up the annular groove at the inner wall of urceolus simultaneously, then the position that corresponds the annular groove at the outer wall of inner tube is provided with annular lug, use for supporting between annular lug and the annular groove, and annular sealing member has been cup jointed to the periphery at annular lug is fixed, not only increased the leakproofness between urceolus and the inner tube, make the filter screen cloth be difficult to receive the impact of water and take place the landing, can also prevent that the extrusion force between inner tube and the urceolus is too big to cause the damage to filter screen cloth, have simple structure, high durability and convenient use, excellent in use effect's advantage.

Drawings

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

FIG. 2 is a structural view of the inner cylinder of the present invention;

Fig. 3 is a partial structural sectional view of the present invention.

In the figure: 1-outer cylinder; 101-an annular groove; 2-inner cylinder; 201-a first fixed block; 2011-threaded hole; 202-a second fixed block; 203-annular bumps; 3-filtering net cloth; 4-fastening bolts; 401-screw cap; 5-ring seal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a mounting structure for fixing filter screen cloth, including urceolus 1, inner tube 2 and filter screen cloth 3, urceolus 1 is cylindrical, the inside of urceolus 1 and inner tube 2 is cavity respectively, the inner wall diameter of urceolus 1 is greater than the outer wall diameter of inner tube 2, inner tube 2 is located the inside of urceolus 1, be provided with filter screen cloth 3 between the outer wall of inner tube 2 and the inner wall of urceolus 1, the both ends of inner tube 2 are fixed respectively and are provided with first fixed block 201 and second fixed block 202, screw hole 2011 has been seted up respectively in first fixed block 201 and the second fixed block 202, fastening bolt 4 is installed to screw hole 2011 internal thread, distance between first fixed block 201 and the second fixed block 202 is less than fastening bolt 4's length, nut 401 is installed to fastening bolt 4's one end screw thread.

An annular groove 101 is formed in the inner wall of the outer cylinder 1, an annular bump 203 is arranged on the outer wall of the inner cylinder 2 corresponding to the annular groove 101, and the annular bump 203 and the annular groove 101 are matched for use, so that the outer cylinder 1 and the inner cylinder 2 can be clamped; the periphery of the annular bump 203 is fixedly sleeved with an annular sealing element 5 for improving the sealing property between the annular bump 203 and the annular groove 101; the area of the filter screen cloth 3 is larger than the cross section area of the outer barrel 1, so that the filtering effect is improved, and the design requirement is met; the inner cylinder 2 is made of polyethylene plastic materials, and is high in structural strength and good in pressure resistance.

The working principle is as follows: the utility model discloses a through be provided with inner tube 2 in the inside of urceolus 1, then be provided with filter screen cloth 3 between urceolus 1 and inner tube 2, can fix filter screen cloth 3 through the extrusion between urceolus 1 and inner tube 2, and the both ends of inner tube 2 are fixed respectively and are provided with first fixed block 201 and second fixed block 202, threaded mounting has fastening bolt 4 between first fixed block 201 and the second fixed block 202, still threaded mounting has nut 401 at the other end of fastening bolt 4, for supporting use between fastening bolt 4 and nut 401, can adjust the both ends of inner tube 2, when needing to change filter screen cloth 3, only need to rotate fastening bolt 4 and lift inner tube 2 off and just can take out filter screen cloth 3, and can not cause the damage to filter screen cloth 3, convenient to use; meanwhile, the inner wall of the outer barrel 1 is provided with the annular groove 101, then the outer wall of the inner barrel 2 is provided with the annular bump 203 at a position corresponding to the annular groove 101, the annular bump 203 is matched with the annular groove 101 for use, and the annular sealing element 5 is fixedly sleeved on the periphery of the annular bump 203, so that the sealing property between the outer barrel 1 and the inner barrel 2 is increased, the filter screen cloth 3 is not easy to slip due to water impact, the filter screen cloth 3 can be prevented from being damaged due to overlarge extrusion force between the inner barrel 2 and the outer barrel 1, and the filter screen cloth has the advantages of simple structure, convenience in use and good use effect.

it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A mounting structure for fixing filter screen cloth, including urceolus (1), inner tube (2) and filter screen cloth (3), its characterized in that: the outer cylinder (1) is cylindrical, the inner parts of the outer cylinder (1) and the inner cylinder (2) are respectively hollow, the diameter of the inner wall of the outer cylinder (1) is larger than that of the outer wall of the inner cylinder (2), the inner cylinder (2) is positioned in the outer cylinder (1), a filter screen cloth (3) is arranged between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1), a first fixed block (201) and a second fixed block (202) are respectively and fixedly arranged at the two ends of the inner cylinder (2), threaded holes (2011) are respectively formed in the first fixing block (201) and the second fixing block (202), fastening bolt (4) are installed to screw hole (2011) internal thread, the distance between first fixed block (201) and second fixed block (202) is less than the length of fastening bolt (4), nut (401) are installed to the one end screw thread of fastening bolt (4).

2. A mounting structure for securing a filter screen cloth according to claim 1, wherein: annular groove (101) have been seted up to the inner wall of urceolus (1), the position that the outer wall of inner tube (2) corresponds annular groove (101) is provided with annular lug (203), for supporting the use between annular lug (203) and annular groove (101).

3. a mounting structure for securing a filter screen cloth according to claim 2, wherein: the periphery of the annular convex block (203) is fixedly sleeved with an annular sealing piece (5) for improving the sealing property between the annular convex block (203) and the annular groove (101).

4. A mounting structure for securing a filter screen cloth according to claim 1, wherein: the area of the filter screen cloth (3) is larger than the cross section area of the outer barrel (1) and is used for improving the filtering effect.

5. A mounting structure for securing a filter screen cloth according to claim 1, wherein: the inner cylinder (2) is made of polyethylene plastic material.