CN214861766U

CN214861766U - Filter

Info

Publication number: CN214861766U
Application number: CN202120892111.3U
Authority: CN
Inventors: 吴海兵
Original assignee: Seawing Technology Zhejiang Co ltd
Current assignee: Seawing Technology Zhejiang Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-26
Anticipated expiration: 2031-04-27

Abstract

The utility model belongs to the technical field of filter equipment, a filter is related to, the filter includes inferior valve and epitheca, be provided with the filter core in the inferior valve, form the intake antrum with the water inlet intercommunication between filter core outer wall and the inferior valve inner wall, epitheca and inferior valve sealing connection, the bottom of epitheca are provided with the buffering hole with the intake antrum intercommunication, be provided with the diaphragm of elastic mechanism pressure equipment in the epitheca, the bottom and the buffering hole contact of diaphragm are connected, the epitheca top is provided with the exhaust hole that communicates with each other with the external world. The utility model provides a filter can produce the pressure release effect to the impact of rivers to avoid the harm that rivers led to the fact the filter.

Description

Filter

Technical Field

The utility model belongs to the technical field of filter equipment, a filter is related to.

Background

Filters are widely used in various water-related industries, such as flushing systems for intelligent toilets. The general structure of the filter comprises a shell communicated with a water inlet and a filter element communicated with a water outlet, wherein the filter element is made of PP cotton. When the filter is used, huge impact force can be generated by water flow at the moment of opening the valve, the existing filter is not provided with a pressure relief mechanism, and the filter can be damaged by the impact force of the water flow.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide a filter, can produce the pressure release effect to the impact of rivers to avoid the harm that rivers led to the fact the filter.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a filter, the filter includes inferior valve and epitheca, be provided with the filter core in the inferior valve, form the intake antrum that communicates with the water inlet between filter core outer wall and the inferior valve inner wall, epitheca and inferior valve sealing connection, the bottom of epitheca is provided with the buffering hole with the intake antrum intercommunication, be provided with the diaphragm of elastic mechanism pressure equipment in the epitheca, the bottom and the buffering hole contact of diaphragm are connected, the epitheca top is provided with the communicating exhaust hole with the external world.

In the filter, one side of the lower shell is provided with a first water outlet and a second water outlet, the first water outlet is communicated with the water inlet cavity, and the second water outlet is communicated with the inner cavity of the filter element. The water inlet, the water outlet I and the water outlet II are respectively controlled by valves, unfiltered water is discharged from the water outlet I, and filtered water is discharged from the water outlet II.

In foretell filter, the filter core is fixed in the inferior valve through the filter core fixing base coaxial of upper and lower both ends, the filter core fixing base of lower extreme is provided with axial through-hole to communicate with delivery port two, the filter core is removable.

In the above filter, the top cover of the upper casing is provided with an upper cover, and the vent hole in the top of the upper casing is arranged on the upper cover.

In foretell filter, elastic mechanism includes the elastic component gland, has the elastic component ejector pin of bottom platform and installs the elastic component between elastic component gland and elastic component ejector pin, the elastic component ejector pin slides and sets up in the elastic component gland, elastic component gland and epitheca threaded connection compress tightly the diaphragm, and the top of elastic component gland is provided with the exhaust hole, the bottom and the diaphragm of elastic component ejector pin are contradicted and are connected.

In the filter, the bottom of the upper cover is provided with a limiting seat, the inner wall of the limiting seat is in contact connection with the upper end of the elastic part gland, and the exhaust hole in the top of the elastic part gland is communicated with the exhaust hole in the upper cover.

In the above filter, preferably, the elastic member is a wave spring.

In the filter, preferably, the diaphragm is made of EPDM, and the filter element is a PP cotton filter element.

In the filter, the upper casing and the lower casing are connected through threads, an annular sealing ring stopper is arranged in the lower casing, an O-shaped sealing ring is arranged between the outer wall of the sealing ring stopper and the inner wall of the lower casing, upper and lower casing sealing rings are arranged among the upper casing, the lower casing and the sealing ring stopper, and the upper and lower casing sealing rings are L-shaped in cross section and simultaneously perform radial and axial double sealing.

In the filter, the water inlet is provided with internal threads and is connected with a water inlet joint, the first water outlet and the second water outlet are provided with external threads, and the caliber of the first water outlet is larger than that of the second water outlet.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses improve the structure of filter, increased diaphragm and elastic mechanism, impact rivers and strike the diaphragm when opening the valve to buffering through elastic mechanism produces the pressure release effect.

Thereby avoiding damage to the filter caused by the large impact force of the water flow.

2. The utility model discloses an air chamber is formed in the epitheca, the water volume expansion of intake antrum under the condition of freezing, and pressure can't release, and the air chamber of front end can be released the high pressure that freezes the production under high pressure, plays the suburb fruit of preventing frost crack.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

reference numerals: 1. a lower case; 2. an upper shell; 3. a filter element; 4. a water inlet; 5. a water inlet cavity; 6. a membrane; 7. an exhaust hole; 8. a first water outlet; 9. a water outlet II; 10. a filter element fixing seat; 11. an upper cover; 12. the elastic part is pressed; 13. an elastic member ejector rod; 14. an elastic member; 15. a seal ring stopper; 16. an O-shaped sealing ring; 17. and upper and lower shell sealing rings.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1-2:

the utility model provides a filter, the filter includes inferior valve 1 and epitheca 2, be provided with filter core 3 in the inferior valve 1, form between 3 outer walls of filter core and the 1 inner wall of inferior valve with the intake antrum 5 of 4 intercommunications of water inlet, epitheca 2 and inferior valve 1 sealing connection, the bottom of epitheca 2 is provided with the buffering hole with the 5 intercommunications of intake antrum, be provided with the diaphragm 6 of elastic mechanism pressure equipment in the epitheca 2, the bottom and the buffering jogged joint of diaphragm 6, 2 tops of epitheca are provided with external communicating exhaust hole 7.

One side of the lower shell 1 is provided with a first water outlet 8 and a second water outlet 9, the first water outlet 8 is communicated with the water inlet cavity 5, and the second water outlet 9 is communicated with the inner cavity of the filter element 3. The water inlet 4, the first water outlet 8 and the second water outlet 9 are respectively controlled by valves, unfiltered water is discharged from the first water outlet 8, and filtered water is discharged from the second water outlet 9. The water flow direction is switched by utilizing the valve when different demands are met.

The filter element 3 is coaxially fixed in the lower shell 1 through the fixing seats of the filter elements 3 at the upper end and the lower end, the fixing seat of the filter element 3 at the lower end is provided with an axial through hole and is communicated with the second water outlet 9, and the filter element 3 can be detached and replaced after the service life is over.

The top cover of the upper shell 2 is provided with an upper cover 11, the exhaust hole 7 at the top of the upper shell 2 is arranged on the upper cover 11, and the upper cover 11 is hermetically connected with the upper shell 2.

Referring to fig. 2, the specific structure of the elastic mechanism is as follows: including elastic component gland 12, the elastic component ejector pin 13 that has the bottom platform and install the elastic component 14 between elastic component gland 12 and elastic component ejector pin 13, in the drawing elastic component 14 uses wave spring, elastic component ejector pin 13 slides and sets up in elastic component gland 12, elastic component gland 12 and 2 threaded connection of epitheca and compress tightly diaphragm 6, equal sealing connection between diaphragm 6 and elastic component gland 12, the epitheca 2, the top of elastic component gland 12 is provided with exhaust hole 7, elastic component ejector pin 13's bottom is contradicted with diaphragm 6 and is connected.

In order to make the installation more stable, the bottom of upper cover 11 is provided with spacing seat, the inner wall of spacing seat is connected with the upper end contact of elastic component gland 12, the exhaust hole 7 at elastic component gland 12 top and the exhaust hole 7 on the upper cover 11 are linked together.

Preferably, the diaphragm 6 adopts the EPDM material, the filter core 3 adopts the cotton filter core 3 of PP.

The specific structure of the sealing connection between the upper casing 2 and the lower casing 1 is that the upper casing 2 and the lower casing 1 are connected through threads, an annular sealing ring stopper 15 is arranged in the lower casing 1, an O-shaped sealing ring 16 is arranged between the outer wall of the sealing ring stopper 15 and the inner wall of the lower casing 1, an upper casing sealing ring 17 and a lower casing sealing ring 17 are arranged between the upper casing 2, the lower casing 1 and the sealing ring stopper 15, and the cross section of the upper casing sealing ring 17 and the cross section of the lower casing sealing ring 17 are L-shaped and perform double sealing in the radial direction and the axial direction simultaneously. By adding the gasket stopper 15, the upper case 2 and the lower case 1 can be better sealed.

The water inlet 4 is provided with internal threads and is connected with a water inlet joint, the first water outlet 8 and the second water outlet 9 are provided with external threads, and the caliber of the first water outlet 8 is larger than that of the second water outlet 9. The water inlet 4 is arranged eccentrically (not shown in fig. 2).

The utility model discloses a working process is: the water flow enters the water inlet cavity 5 through the water inlet 4 and then is divided into three paths of water flows, upward buffering water flow impacts the diaphragm 6 through the buffering hole, the diaphragm 6 moves upward under the impact force of the water flow, the elastic part ejector rod 13 moves upward along with the upward movement, buffering force is generated through elastic deformation of the elastic part 14, gas in the elastic part gland 12 is discharged through the exhaust hole 7, the diaphragm 6 can also fall back properly under the action of the elastic part 14 after the water flow is gentle, and the diaphragm 6 resets after the water flow stops and disappears; the second path of water is directly discharged through a first water outlet 8; the third path of water flow enters the filter element 3, is filtered by the filter element 3, enters the inner cavity of the filter element 3 and is discharged through the water outlet II 9.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a filter, its characterized in that, the filter includes inferior valve (1) and epitheca (2), be provided with filter core (3) in inferior valve (1), form intake antrum (5) with water inlet (4) intercommunication between filter core (3) outer wall and inferior valve (1) inner wall, epitheca (2) and inferior valve (1) sealing connection, the bottom of epitheca (2) is provided with the buffering hole with intake antrum (5) intercommunication, be provided with diaphragm (6) of elastic mechanism pressure equipment in epitheca (2), the bottom and the buffering hole contact of diaphragm (6) are connected, epitheca (2) top is provided with external communicating exhaust hole (7).

2. A filter according to claim 1, characterized in that one side of the lower shell (1) is provided with a first outlet (8) and a second outlet (9), the first outlet (8) is communicated with the inlet chamber (5), and the second outlet (9) is communicated with the inner chamber of the filter element (3).

3. A filter according to claim 1, characterised in that the filter insert (3) is coaxially fixed in the lower shell (1) by means of insert holders (10) at the upper and lower ends.

4. A filter according to claim 1, characterised in that the top cover of the upper casing (2) is provided with an upper cover (11), and the vent hole (7) in the top of the upper casing (2) is provided in the upper cover (11).

5. The filter of claim 1, wherein the elastic mechanism comprises an elastic part gland (12), an elastic part ejector rod (13) with a bottom platform and an elastic part (14) arranged between the elastic part gland (12) and the elastic part ejector rod (13), the elastic part ejector rod (13) is slidably arranged in the elastic part gland (12), the elastic part gland (12) is in threaded connection with the upper shell (2) and compresses the diaphragm (6), the top of the elastic part gland (12) is provided with an exhaust hole (7), and the bottom of the elastic part ejector rod (13) is in interference connection with the diaphragm (6).

6. A filter according to claim 5, characterised in that the resilient member (14) is a wave spring.

7. A filter according to claim 1, characterised in that the membrane (6) is of EPDM and the filter element (3) is of PP cotton.

8. A filter according to claim 1, wherein the upper casing (2) is in threaded connection with the lower casing (1), an annular sealing ring stopper (15) is arranged in the lower casing (1), an O-ring (16) is arranged between the outer wall of the sealing ring stopper (15) and the inner wall of the lower casing (1), upper and lower casing sealing rings (17) are arranged between the upper casing (2), the lower casing (1) and the sealing ring stopper (15), and the upper and lower casing sealing rings (17) have an L-shaped cross section and perform double sealing in the radial direction and the axial direction.