CN217067921U - Pre-filter with built-in high-pressure buffer device - Google Patents
Pre-filter with built-in high-pressure buffer device Download PDFInfo
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- CN217067921U CN217067921U CN202220634565.5U CN202220634565U CN217067921U CN 217067921 U CN217067921 U CN 217067921U CN 202220634565 U CN202220634565 U CN 202220634565U CN 217067921 U CN217067921 U CN 217067921U
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Abstract
The utility model relates to a built-in high pressure buffer's leading filter, including the aircraft nose of taking water inlet channel and water outlet channel, the filter flask and locate the filter mechanism in the filter flask, filter mechanism, the filter flask all can be dismantled with the aircraft nose and be connected, the space between filter mechanism and filter flask forms former water cavity, filter mechanism internal space forms the purification water cavity, it holds the chamber to be located aircraft nose water outlet channel or be equipped with buffer in the filter mechanism outlet end, buffer includes the barrel, locate elastic element and the sealed lid in the barrel, be equipped with elastic element butt portion in the barrel, elastic element's both ends respectively with elastic element butt portion and sealed inboard butt of lid, sealed lid and barrel inner wall sliding seal; the buffer device is fixedly arranged in the buffer device accommodating cavity and is provided with a water passing channel for purified water to flow to the water outlet channel, and the outer surface of the sealing cover is communicated with the water outlet channel. The structure of the pre-filter is optimized, and the pre-filter is installed, used and maintained, and can not only prevent the impact of a water hammer, but also prevent freezing.
Description
Technical Field
The utility model relates to a built-in high pressure buffer's leading filter belongs to water purification unit accessory technical field.
Background
The prior art pre-filter comprises: the machine head, a filter flask with the upper end connected with the machine head and a drainage ball valve connected with the lower end of the filter flask are provided with a filter screen framework in which a filter screen is sleeved on the outer wall. In the using process, water flows into a gap between the filter flask and the filter screen from a water inlet of the machine head, flows into the center of the filter screen framework after being filtered by the filter screen, and then flows to a water outlet of the machine head from the center of the filter screen framework, and the front filter is deeply inserted into thousands of households and high-grade hotels.
The water hammer is a phenomenon that large pressure fluctuation is caused and vibration is caused due to rapid change of fluid flow in a closed pipeline system (including a pump and a pre-filter). Also known as water hammer. The instantaneous pressure can greatly exceed the normal pressure and often produce destructive effects. In addition, the existing pre-filter is easy to crack and leak water due to the expansion of the internal water volume under the condition of low-temperature icing; the existing general products have no good solution, and can only remind a user to keep warm or use a filter flask with good toughness, but the filter flask can also crack and leak water after being expanded and deformed for many times.
The utility model aims at providing a structure is more optimized, the built-in high pressure buffer's of easy industrialization realization leading filter. The water hammer impact can be prevented, the freezing can be prevented, and the service life of the front filter is prolonged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the not enough of the leading filter of prior art, provide a leading filter of built-in high pressure buffer. The structure of the pre-filter is optimized, and the pre-filter is installed, used and maintained, can prevent water hammer impact and freezing, and prolongs the service life of the pre-filter.
The utility model provides a technical scheme that its technical problem adopted is:
the pre-filter internally provided with the high-pressure buffer device comprises a machine head with a water inlet channel and a water outlet channel, a filter bottle and a filter mechanism arranged in the filter bottle, wherein the filter mechanism and the filter bottle are detachably connected with the machine head;
the buffer device is fixedly arranged in the buffer device accommodating cavity and is provided with a water passing channel for purified water to flow to the water outlet channel, the outer surface of the sealing cover is communicated with the water outlet channel, when the pressure in the pre-filter rises, the elastic element can be compressed, and after the pressure rise is relieved, the elastic element can reset.
Preferably, buffer holds the chamber and locates the water outlet channel of aircraft nose, and the one-way opening of barrel, including function portion and assembly portion, sealed lid and elastic element locate function portion, and elastic element butt portion locates assembly portion, assembly portion outer wall and filter mechanism top adaptation, crosses the water flow way and locates between assembly portion outer wall and the filter mechanism.
Preferably, the top of the cylinder body is provided with at least one overflow groove, and the clearance cavity is communicated with the water outlet flow channel through the overflow groove.
Preferably, the assembling part is provided with a plurality of assembling teeth, the cylinder body is assembled with the filtering mechanism through the assembling teeth, and gaps between the assembling teeth form a water passing flow channel.
Preferably, the buffer device accommodating cavity is arranged inside the filtering mechanism and detachably connected with a framework of the filtering mechanism or integrally formed.
Preferably, the inner wall of the cylinder body is smooth, the sealing cover is arranged on at least one annular sealing ring, and the sealing cover and the cylinder body are in sliding sealing through interference fit of the annular sealing ring.
Preferably, the bottom of the filter flask is provided with a sewage discharge cavity, a sewage discharge piece is arranged in the sewage discharge cavity, and the sewage discharge piece is provided with a sewage discharge channel.
Preferably, the elastic element is a ring spring.
The utility model has the advantages that: the structure of the pre-filter is optimized, and the pre-filter is installed, used and maintained, so that the water hammer impact can be prevented, the freezing can be prevented, and the service life of the pre-filter is prolonged. When the instantaneous pressure of the front filter system greatly exceeds the normal pressure, the elastic element is compressed and deformed to reduce the impact force; when the frozen volume of water in the front filter expands, the elastic element is compressed and deformed to make room for the expansion amount of the frozen volume, so that the pressure on the filter flask is reduced, and the service life of the filter flask is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a machine head, 2 parts of a filter flask, 3 parts of a filter mechanism, 4 parts of a buffer device accommodating cavity, 5 parts of a cylinder body, 6 parts of an elastic element, 7 parts of a sealing cover, 8 parts of an overflow groove, 9 parts of assembling teeth, 10 parts of an annular sealing ring, 11 parts of a sewage discharge part.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.
As shown in figure 1-2, the pre-filter with a built-in high-pressure buffer device comprises a machine head 1 with a water inlet channel and a water outlet channel, a filter flask 2 and a filter mechanism 3 arranged in the filter flask, wherein the filter mechanism 3 and the filter flask 2 are both detachably connected with the machine head 1, a raw water cavity is formed in the space between the filter mechanism 3 and the filter flask 1, a purified water cavity is formed in the inner space of the filter mechanism 3, a buffer device accommodating cavity 4 is arranged in the water outlet channel of the machine head 1 or the water outlet end of the filter mechanism 3, the buffer device comprises a cylinder body 5 with a one-way opening, an elastic element 6 arranged in the cylinder body 5 and a sealing cover 7, wherein an elastic element abutting part is arranged in the cylinder body;
the buffer device is fixedly arranged in the buffer device accommodating cavity 4 and is provided with a water passing flow channel for purified water to flow to the water outlet channel, a cavity gap communicated with the water outlet channel is arranged between the outer surface of the sealing cover 7 and the inner wall of the machine head 1, when the pressure in the pre-filter rises, the elastic element 6 can be compressed, and after the pressure rise is relieved, the elastic element 6 can reset.
It specifically arrives the utility model discloses, buffer holds the exhalant canal that aircraft nose 1 was located to chamber 4, and barrel 5 includes functional unit and assembly portion, and function unit is located to sealed lid 7 and elastic element 6, and the assembly portion is located to elastic element butt portion, assembly portion outer wall and the 3 top adaptations of filter mechanism, and the runner is located between assembly portion outer wall and the filter mechanism 3.
Under the scheme, the top of the cylinder body 5 is provided with at least one overflow groove 8, and the clearance cavity is communicated with the water outlet flow channel through the overflow groove 8.
In this embodiment, the assembly portion is provided with a plurality of assembly teeth 9, the cylinder 5 is assembled with the filter mechanism 3 through the assembly teeth 9, and gaps between the assembly teeth 9 form a water passing channel.
As a scheme of realizing side by side, the buffer device accommodating cavity 4 can also be arranged inside the filtering mechanism 3, can be detachably connected with the framework of the filtering mechanism 3 or integrally formed, and can be detachably clamped or screwed and the like.
Specifically, the inner wall of the cylinder body 5 is smooth, the sealing cover 7 is arranged on at least one annular sealing ring 10, and sliding sealing is realized between the sealing cover 7 and the cylinder body 5 through interference fit of the annular sealing ring 9.
In this embodiment, the bottom of the filter flask 2 is provided with a sewage discharging cavity, a sewage discharging member 11 is arranged in the sewage discharging cavity, and the sewage discharging member 11 is provided with a sewage discharging channel.
Preferably, the elastic element 6 is a ring spring.
The utility model has the advantages that: the structure of the pre-filter is optimized, and the pre-filter is installed, used and maintained, can prevent water hammer impact and freezing, and prolongs the service life of the pre-filter. When the instantaneous pressure of the front filter system greatly exceeds the normal pressure, the elastic element is compressed and deformed to reduce the impact force; when the frozen volume of water in the front filter expands, the elastic element is compressed and deformed to make room for the expansion amount of the frozen volume, so that the pressure on the filter flask is reduced, and the service life of the filter flask is prolonged.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (8)
1. Built-in high pressure buffer's leading filter, including aircraft nose, the filter flask of taking water inlet channel and outlet channel and locating the filtering mechanism in the filter flask, filtering mechanism, filter flask all can dismantle with the aircraft nose and be connected, and the space between filtering mechanism and filter flask forms former water cavity, and the filtering mechanism inner space forms and purifies water cavity, its characterized in that: a buffer device accommodating cavity is arranged in the machine head water outlet channel or the water outlet end of the filtering mechanism, the buffer device comprises a cylinder body, an elastic element and a sealing cover, the elastic element and the sealing cover are arranged in the cylinder body, an elastic element abutting part is arranged in the cylinder body, two ends of the elastic element are respectively abutted against the elastic element abutting part and the inner side of the sealing cover, and the sealing cover is in sliding sealing with the inner wall of the cylinder body;
the buffer device is fixedly arranged in the buffer device accommodating cavity and is provided with a water passing channel for purified water to flow to the water outlet channel, the outer surface of the sealing cover is communicated with the water outlet channel, when the pressure in the pre-filter rises, the elastic element can be compressed, and after the pressure rise is relieved, the elastic element can reset.
2. The pre-filter of a built-in high pressure buffer device according to claim 1, wherein: buffer holds the chamber and locates the water outlet channel of aircraft nose, and the one-way opening of barrel, including function portion and assembly portion, sealed lid and elastic element locate function portion, and elastic element butt portion locates assembly portion, assembly portion outer wall and filter mechanism top adaptation, crosses the water flow way and locates between assembly portion outer wall and the filter mechanism.
3. The pre-filter of a built-in high pressure buffer device according to claim 2, wherein: the top of the cylinder body is provided with at least one overflow groove, and the clearance cavity is communicated with the water outlet flow channel through the overflow groove.
4. The pre-filter of a built-in high pressure buffer device according to claim 2, wherein: the assembling part is provided with a plurality of assembling teeth, the cylinder body is assembled with the filtering mechanism through the assembling teeth, and gaps among the assembling teeth form a water passing flow channel.
5. The pre-filter of a built-in high pressure buffer device according to claim 1, wherein: the buffer device accommodating cavity is arranged inside the filtering mechanism and detachably connected with a framework of the filtering mechanism or integrally formed.
6. The pre-filter of a built-in high pressure buffer device according to claim 1, wherein: the inner wall of the cylinder body is smooth, the sealing cover is arranged on at least one annular sealing ring, and sliding sealing is realized between the sealing cover and the cylinder body through interference fit of the annular sealing ring.
7. The pre-filter of a built-in high pressure buffer device according to claim 1, wherein: the bottom of the filter flask is provided with a sewage discharge cavity, a sewage discharge piece is arranged in the sewage discharge cavity, and the sewage discharge piece is provided with a sewage discharge channel.
8. The pre-filter of a built-in high pressure buffer device according to claim 1, wherein: the elastic element is an annular spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634565.5U CN217067921U (en) | 2022-03-23 | 2022-03-23 | Pre-filter with built-in high-pressure buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634565.5U CN217067921U (en) | 2022-03-23 | 2022-03-23 | Pre-filter with built-in high-pressure buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217067921U true CN217067921U (en) | 2022-07-29 |
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ID=82550664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220634565.5U Active CN217067921U (en) | 2022-03-23 | 2022-03-23 | Pre-filter with built-in high-pressure buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217067921U (en) |
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2022
- 2022-03-23 CN CN202220634565.5U patent/CN217067921U/en active Active
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