CN214513176U - Back flush filter for heat supply engineering - Google Patents

Abstract

The utility model discloses a back flush filter for heat supply engineering belongs to the filter field, which comprises a housin, the inside sliding connection of casing has the filter core, the apron has been cup jointed in the upper end slip of casing, the lower terminal surface middle part contact of apron is connected in the up end of filter core, the lower terminal surface side fixed mounting of apron has sealed piece, sealed piece sliding connection is in the inside side of casing, the upper end side fixed mounting of casing has the go-between, the up end contact of go-between is connected in the lower terminal surface of apron, the spacing groove has all been seted up all around with the lower terminal surface of go-between to the up end of apron, the inside sliding connection of spacing groove has the stopper, the side fixed mounting of stopper has magnet, the side contact of magnet is connected in the side of apron with the go-between. The backwashing filter for the heat supply project can fix the connecting ring and the cover plate together by matching the limiting blocks and the limiting grooves, so that the cover plate is fixed on the shell, the assembly and disassembly are simple, and the filter element is convenient to replace.

Description

Back flush filter for heat supply engineering

Technical Field

The utility model relates to a filter field, more specifically say, relate to a back flush filter for heat supply engineering.

Background

The back washing filter is a precise device which directly intercepts impurities in water by using a filter screen, removes suspended matters and particles in the water body, reduces turbidity, purifies water, reduces the generation of system dirt, bacteria, algae, rust and the like, and purifies the water and protects other devices of the system to normally work.

The filter core in traditional back flush filter is fixed through the screw with filter inside usually, and the loading and unloading is comparatively troublesome, and it is comparatively inconvenient to change, and traditional back flush filter is when being connected with the pipeline, is connected through the flange usually, need use a plurality of bolts to fix the pipeline, and is fixed troublesome, and the installation is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a back flush filter for heat supply engineering can be in the same place go-between and apron are fixed through the cooperation of stopper and spacing groove to fix the apron on the casing, loading and unloading are simple, and the filter core is changed comparatively conveniently, through the cooperation of fixture block and logical groove, can be in the same place pipeline is fixed with inlet tube and outlet pipe respectively, and is fixed simple, and it is comparatively convenient to install.

In order to solve the above problems, the utility model adopts the following technical proposal.

A backwashing filter for heat supply engineering comprises a shell, wherein a filter element is connected to the inside of the shell in a sliding manner, a cover plate is sleeved at the upper end of the shell in a sliding manner, the middle part of the lower end face of the cover plate is connected to the upper end face of the filter element in a contacting manner, a connecting ring is fixedly installed on the side face of the upper end of the shell, the upper end face of the connecting ring is connected to the lower end face of the cover plate in a contacting manner, limiting grooves are formed in the periphery of the upper end face of the cover plate and the periphery of the lower end face of the connecting ring, limiting blocks are connected to the inside of the limiting grooves in a sliding manner, a water inlet pipe and a water outlet pipe are respectively and fixedly installed on the upper end face of the cover plate, pipelines are sleeved at the end parts of the water inlet pipe and the water outlet pipe in a sliding manner, fixing rings are fixedly installed on the outer side faces of the water inlet pipe and the water outlet pipe, the side faces of the fixing rings are connected to the end parts of the pipelines, threaded shafts are fixedly installed on the upper end parts of the fixing rings through bearings, the fixture block has been cup jointed to the side screw thread of screw spindle, fixture block sliding connection can be together fixed with go-between and apron through the cooperation of stopper and spacing groove in the inside of the logical groove that the pipeline side was seted up to fix the apron on the casing, loading and unloading are simple, and the filter core is changed comparatively conveniently, through the cooperation of fixture block and logical groove, can be in the same place the pipeline is fixed with inlet tube and outlet pipe respectively, and is fixed simple, and it is comparatively convenient to install.

Further, the lower terminal surface side fixed mounting of apron has sealed piece, sealed piece sliding connection is in the inside side of casing, and sealed piece is made for sealing rubber material, can seal the clearance between apron and the casing through sealed piece, avoids taking place to leak in the use.

Further, the side fixed mounting of stopper has magnet, the side contact of magnet is connected in the side of apron with the go-between, and magnet is adsorbable in the side of apron with the go-between to can fix the stopper in the spacing inslot, avoid the stopper to drop by oneself.

Further, the tip side fixed mounting of pipeline has the sealing ring, sealing ring sliding connection is in the tip side of inlet tube and outlet pipe, and the sealing ring is made for sealing rubber material, can seal the clearance at inlet tube and outlet pipe and pipe connection position through the sealing ring, avoids taking place to leak in the use, improves the installation effect.

Furthermore, the other end side fixed mounting of fixture block has the dog, the side contact of dog is connected in solid fixed ring's side, can carry out spacingly to the fixture block through the dog, avoids the fixture block to follow the screw spindle and rotates, improves the result of use.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can be together fixed with go-between and apron through the cooperation of stopper and spacing groove to fix the apron on the casing, loading and unloading are simple, and it is comparatively convenient that the filter core is changed, through the cooperation of fixture block and logical groove, can be in the same place the pipeline is fixed with inlet tube and outlet pipe respectively, and is fixed simple, and it is comparatively convenient to install.

(2) The lower terminal surface side fixed mounting of apron has sealed piece, and sealed piece sliding connection is in the inside side of casing, and sealed piece is made for sealing rubber material, can seal the clearance between apron and the casing through sealed piece, avoids taking place to leak in the use.

(3) The side fixed mounting of stopper has magnet, and the side contact of magnet is connected in the side of apron and go-between, and magnet is adsorbable in the side of apron and go-between to can fix the stopper at the spacing inslot, avoid the stopper to drop by oneself.

(4) The sealing ring is fixedly arranged on the side face of the end part of the pipeline, the sealing ring is connected to the side face of the end part of the water inlet pipe and the water outlet pipe in a sliding mode, the sealing ring is made of sealing rubber materials, gaps between the water inlet pipe and the water outlet pipe and the pipeline connecting portion can be sealed through the sealing ring, leakage in the using process is avoided, and the installing effect is improved.

(5) The other end side fixed mounting of fixture block has the dog, and the side contact of dog is connected in solid fixed ring's side, can carry out spacingly to the fixture block through the dog, avoids the fixture block to follow the screw spindle and rotates, improves the result of use.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a bottom view of the housing structure of the present invention;

fig. 3 is a side view of the end structure of the water inlet pipe of the present invention.

The reference numbers in the figures illustrate:

the filter comprises a shell 1, a filter element 2, a cover plate 3, a connecting ring 4, a limiting groove 5, a limiting block 6, a water inlet pipe 7, a water outlet pipe 8, a pipeline 9, a fixing ring 10, a threaded shaft 11, a fixture block 12, a through groove 13, a sealing block 14, a magnet 15, a sealing ring 16 and a stop block 17.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, a back-washing filter for heat supply engineering, comprising a casing 1, referring to fig. 1, 2 and 3, a filter element 2 is slidably connected inside the casing 1, the filter element 2 can filter water flow conveyed by a water inlet pipe 7, and filter impurities in water completely, a cover plate 3 is slidably sleeved on the upper end of the casing 1, the middle part of the lower end surface of the cover plate 3 is in contact connection with the upper end surface of the filter element 2, a sealing block 14 is fixedly installed on the side surface of the lower end surface of the cover plate 3, the sealing block 14 is slidably connected to the inner side surface of the casing 1, the sealing block 14 is made of sealing rubber material, a gap between the cover plate 3 and the casing 1 can be sealed by the sealing block 14, leakage in use process is avoided, a connecting ring 4 is fixedly installed on the side surface of the upper end of the casing 1, the upper end surface of the connecting ring 4 is in contact connection with the lower end surface of the cover plate 3, a limiting groove 5 is formed around the upper end surface of the cover plate 3 and around the connecting ring 4, the limiting groove 5 is internally and slidably connected with a limiting block 6, the connecting ring 4 and the cover plate 3 can be fixed together through the matching of the limiting block 6 and the limiting groove 5, the fixing is convenient, the side surface of the limiting block 6 is fixedly provided with a magnet 15, the side surface of the magnet 15 is in contact connection with the side surfaces of the cover plate 3 and the connecting ring 4, the magnet 15 can be adsorbed on the side surfaces of the cover plate 3 and the connecting ring 4, so that the limiting block 6 can be fixed in the limiting groove 5 to prevent the limiting block 6 from falling off by itself, the upper end surface of the cover plate 3 is respectively and fixedly provided with a water inlet pipe 7 and a water outlet pipe 8, the end parts of the water inlet pipe 7 and the water outlet pipe 8 are both slidably sleeved with a pipeline 9, the end part side surface of the pipeline 9 is fixedly provided with a sealing ring 16, the sealing ring 16 is slidably connected with the end part side surfaces of the water inlet pipe 7 and the water outlet pipe 8, the gap between the pipeline 9 can be sealed through the sealing ring 16, avoid taking place the leakage in the use, improve the installation effect, the outside side fixed mounting of inlet tube 7 and outlet pipe 8 has solid fixed ring 10, solid fixed ring 10's side contact is connected in the tip of pipeline 9, gu fixed ring 10's last lower extreme all has screw spindle 11 through bearing fixed mounting, screw spindle 11's side screw thread has cup jointed fixture block 12, fixture block 12 sliding connection is in the inside of the logical groove 13 that pipeline 9 side was seted up, cooperation through fixture block 12 logical groove 13, can fix the pipeline 9 respectively at the tip of inlet tube 7 and outlet pipe 8, it is fixed comparatively convenient, fixture block 12's other end side fixed mounting has dog 17, the side contact of dog 17 is connected in solid fixed ring 10's side, can carry on spacingly to fixture block 12 through dog 17, avoid fixture block 12 to follow screw spindle 11 and rotate, use effect is improved.

During installation, the threaded shaft 11 is rotated, the threaded shaft 11 drives the fixture block 12 to move under the action of the stop block 17, so that the end part of the fixture block 12 is separated from the side surface of the fixing ring 10, then the pipeline 9 is respectively sleeved at the end parts of the water inlet pipe 7 and the water outlet pipe 8, so that the through groove 13 on the side surface of the pipeline 9 is aligned with the fixture block 12, then the threaded shaft 11 is reversely rotated, the threaded shaft 11 drives the fixture block 12 to move, so that the end part of the fixture block 12 is moved into the through groove 13, the pipeline 9 can be respectively fixed with the water inlet pipe 7 and the water outlet pipe 8, the installation is convenient, when the filter element 2 needs to be replaced, the limiting block 6 is pulled to separate from the limiting groove 5, then the cover plate 3 is opened from the shell 1, the filter element 2 is taken out from the shell 1, then a new filter element 2 is placed in the shell 1, then the cover plate 3 is covered, so that the limiting grooves 5 around the upper end of the cover plate 3 are aligned with the limiting grooves 5 around the lower end surface of the connecting ring 4, then insert stopper 6 in the spacing groove 5 for magnet 15 meets the department with the side of apron 3 and go-between 4, can adsorb stopper 6, thereby accomplishes the change of filter core 2, and it is comparatively convenient to change.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a back flush filter for heat supply engineering, includes casing (1), its characterized in that: the filter element structure is characterized in that the filter element (2) is connected to the inside of the shell (1) in a sliding manner, the cover plate (3) is sleeved at the upper end of the shell (1) in a sliding manner, the lower end face of the cover plate (3) is connected to the upper end face of the filter element (2) in a middle contact manner, the connecting ring (4) is fixedly installed on the upper end side face of the shell (1), the upper end face of the connecting ring (4) is connected to the lower end face of the cover plate (3) in a contact manner, the limiting grooves (5) are formed in the periphery of the upper end face of the cover plate (3) and the periphery of the lower end face of the connecting ring (4), the limiting blocks (6) are connected to the inside of the limiting grooves (5) in a sliding manner, the water inlet pipe (7) and the water outlet pipe (8) are fixedly installed on the upper end face of the cover plate (3), the pipeline (9) is sleeved on the end portions of the water inlet pipe (7) and the water outlet pipe (8) in a sliding manner, the fixing ring (10) is fixedly installed on the outer side face of the water inlet pipe (7) and the water outlet pipe (8), the side face of the fixing ring (10) is in contact connection with the end portion of the pipeline (9), the upper end and the lower end of the fixing ring (10) are fixedly provided with threaded shafts (11) through bearings, the side face threads of the threaded shafts (11) are sleeved with clamping blocks (12), and the clamping blocks (12) are connected to the inside of through grooves (13) formed in the side face of the pipeline (9) in a sliding mode.

2. A backwash filter for heat supply engineering according to claim 1, characterized in that: the side face of the lower end face of the cover plate (3) is fixedly provided with a sealing block (14), and the sealing block (14) is connected to the side face of the inner portion of the shell (1) in a sliding mode.

3. A backwash filter for heat supply engineering according to claim 1, characterized in that: the side face of the limiting block (6) is fixedly provided with a magnet (15), and the side face of the magnet (15) is connected to the side faces of the cover plate (3) and the connecting ring (4) in a contact mode.

4. A backwash filter for heat supply engineering according to claim 1, characterized in that: the end part side surface of the pipeline (9) is fixedly provided with a sealing ring (16), and the sealing ring (16) is connected to the end part side surfaces of the water inlet pipe (7) and the water outlet pipe (8) in a sliding manner.

5. A backwash filter for heat supply engineering according to claim 1, characterized in that: a stop block (17) is fixedly mounted on the side face of the other end of the clamping block (12), and the side face of the stop block (17) is in contact connection with the side face of the fixing ring (10).

Images