CN218980739U - A filter with built-in water hammer absorption device - Google Patents

Abstract

The filter comprises a body and a filter assembly, wherein the body is provided with a water outlet, a water inlet and a connecting end for connecting the filter assembly, the body is internally provided with a buffer assembly, the buffer assembly comprises a base and an elastic hollow ball, the base is abutted with the body to form a buffer space, the elastic hollow ball is positioned in the buffer space, and the buffer space is communicated with a waterway inside the body; when the water hammer occurs, the elastic hollow ball is compressed, and when the water hammer disappears, the elastic hollow ball is restored to the original state. Compared with the spring water hammer absorbing device used in the prior art, the elastic hollow ball can absorb the water hammer pressure at any angle on the spherical surface, and the spring water hammer absorbing device only absorbs the water hammer pressure in the telescopic direction of the spring, namely in the axial direction of the spring, so that the action area of the elastic hollow ball is larger, and the applicability is higher.

Description

A filter with a built-in water hammer absorption device

technical field

The utility model relates to the technical field of filters, in particular to a filter with a built-in water hammer absorption device.

Background technique

At present, after years of R&D and development, the filter technology has gradually matured, and the water purification function of the product can basically meet the needs of most families or businesses. Filters are generally installed upstream of domestic water equipment. After filtering through the filter, domestic water with less impurities can be obtained to improve people's quality of life.

Water hammer refers to the phenomenon of large pressure fluctuations and vibrations caused by rapid changes in fluid flow in a closed pipeline system (including pumps and filters). The instantaneous pressure can greatly exceed the normal pressure and often cause destructive damage. Influence. Therefore, when the filter is working normally, with the start and stop of the downstream water equipment, it is easy to produce a water hammer effect, and the existing filter has no buffer protection ability against the water hammer effect, and only relies on the material of the filter itself to withstand it. When the number of hammering is too many or the instantaneous impact pressure is too large, the filter is prone to expansion and cracking, which will eventually lead to product failure.

Based on this background, the existing technology proposes to install a spring water hammer absorption device in the filter to absorb the pressure generated by the water hammer effect and avoid the filter from being impacted by the water hammer for a long time to reduce the service life; in the actual application process, the water hammer pressure The water contact is applied to the spring, and the water contact and the shell of the spring buffer assembly are in a sealed fit. Therefore, the water hammer pressure needs to overcome the friction between the water contact and the shell to absorb the water hammer pressure. There is a feedback delay; in addition, the spring water hammer absorbing device can only absorb the pressure in the axial direction of the spring, and the feedback area is small.

Utility model content

In view of the deficiencies in the background technology, the purpose of this utility model is to provide a filter with a built-in water hammer absorption device.

In order to achieve the above object, the utility model provides the following technical solutions:

A filter with a built-in water hammer absorption device, including a body and a filter assembly, the body is provided with a water outlet, a water inlet, and a connection end for connecting the filter assembly, a buffer assembly is installed in the body, the The buffer assembly includes a base and an elastic hollow ball, the base and the body abut against each other to form a buffer space, the elastic hollow ball is located in the buffer space, and the buffer space communicates with the inside of the body through water; when When the water hammer phenomenon occurs, the elastic hollow ball is compressed, and when the water hammer phenomenon disappears, the elastic hollow ball returns to its original shape.

Further, the body is provided with an upper buffer chamber, the base is provided with a lower buffer chamber, and the upper buffer chamber is sealingly fitted with the lower buffer chamber to form the buffer space.

Further, the base is provided with a groove, the groove divides the base into the water passage chamber and the buffer lower chamber, the groove is used to place the elastic hollow ball, and the bottom of the groove A water passage for communicating with the body is provided.

Further, the water passage is one or more water holes.

Further, the filter assembly includes a bottle body and a filter screen located inside the bottle body, the bottle body is connected to the connecting end through threads, and the end of the bottle body inserted into the body is sealed and fitted to the base, and push the base to be fixed in the body.

Further, the filter screen is sealingly fitted to the lower end of the base; the base is provided with an opening on the side facing the water outlet, so that the water flows through the filter assembly and flows to the base after entering from the water inlet. , and then flow out of the body through the opening and the water outlet in sequence.

Further, the bottom of the bottle body is connected with a sewage assembly.

Further, both the water inlet and the water outlet are provided with fixing sleeves, and the fixing sleeves are sealed and fitted to the base and the body respectively.

Further, both the water inlet and the water outlet are provided with adapter components.

Further, the adapter assembly includes an adapter and an adapter nut sleeved outside the adapter, the adapter is locked to the water inlet and the water outlet through the adapter nut, and the Sealing gaskets are provided between the adapter and the water inlet and water outlet.

The beneficial effects of the utility model are:

1. The utility model proposes a filter with a built-in water hammer absorption device. Compared with the spring water hammer absorption device used in the prior art, the elastic hollow ball can absorb the water hammer pressure at any angle on the spherical surface, while The spring water hammer absorbing device only absorbs water hammer pressure in the stretching direction of the spring, that is, in the axial direction of the spring. Therefore, the elastic hollow ball has a larger action area and higher applicability.

2. The utility model proposes a filter with a built-in water hammer absorption device. The water hammer pressure directly acts on the elastic hollow ball without overcoming excess force; compared with the existing spring water hammer absorption device, the elastic hollow ball can Achieve real-time feedback without delay.

3. The utility model proposes a filter with a built-in water hammer absorption device. The structure of the buffer assembly is simple, including only the base and the elastic hollow ball. When installing, the buffer assembly can be directly inserted into the body to complete the installation. The device has lower production cost and higher installation efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a cross-sectional view of a filter with a built-in water hammer absorption device of the present invention;

Fig. 2 is a cross-sectional view of the body of a filter with a built-in water hammer absorption device of the present invention;

Fig. 3 is a schematic diagram of normal water consumption of a filter with a built-in water hammer absorption device of the present invention;

Fig. 4 is a schematic diagram of the pressure of the elastic hollow ball of a filter with a built-in water hammer absorption device of the present invention;

In the figure, 10, body; 101, water inlet; 102, water outlet; 103, connection end; 104, buffer upper cavity; 20, filter assembly; 201, bottle body; 202, filter screen; 203, sewage assembly; 30, Buffer space; 401, base; 4011, opening; 4012, socket part; 402, groove; 4021, water channel; 403, buffer lower cavity; 404, water cavity; 405, elastic hollow ball; 50, fixed sleeve cylinder; 60, adapter assembly; 601, adapter; 602, adapter nut; 603, sealing gasket.

Detailed ways

Below in conjunction with Fig. 1-4, the utility model is described in detail.

A filter with a built-in water hammer absorption device, including a body 10 and a filter assembly 20, the body 10 is provided with a water outlet 102, a water inlet 101, and a connection end 103 for connecting the filter assembly 20, a buffer assembly is installed in the body 10, The buffer assembly includes a base 401 and an elastic hollow ball 405. The base 401 and the body 10 abut each other to form a buffer space 30. The elastic hollow ball 405 is located in the buffer space 30, and the strength of the elastic hollow ball 405 is lower than that of the filter assembly 20. The water channel between the space 30 and the inside of the body 10 is connected; when the water hammer phenomenon occurs, the elastic hollow ball 405 is compressed, and when the water hammer phenomenon disappears, the elastic hollow ball 405 returns to its original shape.

First of all, the utility model proposes a filter with a built-in water hammer absorption device. Compared with the spring water hammer absorption device used in the prior art, the elastic hollow ball 405 can absorb the water hammer pressure at any angle on the spherical surface. However, the spring water hammer absorbing device only absorbs the water hammer pressure in the stretching direction of the spring, that is, in the axial direction of the spring. Therefore, the elastic hollow ball 405 has a larger action area and higher applicability; secondly, the water hammer pressure in the utility model directly acts on the elastic hollow ball 405 without overcoming redundant force; compared with the existing spring water hammer The absorption device, the elastic hollow ball 405 can achieve real-time feedback without delay; moreover, the structure of the buffer assembly in the utility model is simple, including only the base 401 and the elastic hollow ball 405, and the buffer assembly is directly inserted into the body 10 during installation The installation can be completed, and it has lower production cost and higher installation efficiency than the spring water hammer absorbing device.

In this embodiment, the body 10 is provided with an upper buffer chamber 104 , the base 401 is provided with a lower buffer chamber 403 , and the upper buffer chamber 104 is sealingly matched with the lower buffer chamber 403 to form the buffer space 30 .

In this embodiment, the base 401 is provided with a groove 402, the groove 402 divides the base 401 into a water passage chamber 404 and a buffer lower chamber 403, the groove 402 is used to place the elastic hollow ball 405, and the bottom of the groove 402 is provided with a It communicates with the water passage 4021 of the main body 10 . Further, the water passage 4021 is one or more water holes.

In this embodiment, the filter assembly 20 includes a bottle body 201 and a filter screen 202 located inside the bottle body 201. The bottle body 201 is connected to the connecting end 103 by threads, and one end of the bottle body 201 inserted into the body 10 is sealed and fitted to the base 401, and The pushing base 401 is fixed in the body 10; further, the bottom of the bottle body 201 is connected with a sewage assembly 203.

In this embodiment, the filter screen 202 is sealed and fitted to the lower end of the base 401; the base 401 is provided with an opening 4011 on the side facing the water outlet 102, so that the water flows through the filter assembly 20 to the base 401 after entering the water inlet 101, and then through the The opening 4011 and the water outlet 102 flow out of the body 10 .

In this embodiment, both the water inlet 101 and the water outlet 102 are provided with fixing sleeves 50, and the fixing sleeves 50 are sealed and fitted to the base 401 and the body 10 respectively; An insertion portion 4012 is provided, and the fixing sleeve 50 is plugged into the corresponding insertion portion 4012 in a sealing manner, and the fixing sleeve 50 is respectively sealingly matched with the water inlet 101 and the water outlet 102 .

In this embodiment, both the water inlet 101 and the water outlet 102 are provided with an adapter assembly 60; further, the adapter assembly 60 includes an adapter 601 and an adapter nut 602 sleeved outside the adapter 601, through which the adapter 602 The adapter 601 is locked to the water inlet 101 and the water outlet 102 , and a sealing gasket 603 is provided between the adapter 601 and the water inlet 101 and the water outlet 102 .

The utility model proposes a filter with a built-in water hammer absorption device, and its working principle is as follows:

The municipal water supply is connected to the water inlet 101 through the adapter assembly 60, and the water equipment is connected to the water outlet 102; during normal water use, the water flows into the filter assembly 20 through the water inlet 101, and after being filtered by the filter screen 202, it flows to the water chamber 404 and passes through the The opening 4011 flows out from the water outlet 102; if the water device is closed instantly, a water hammer effect will occur in the filter. Since the elastic hollow ball 405 is soft, its elastic modulus is higher than that of the filter assembly 20, and it has higher resistance to elastic deformation Therefore, the water hammer pressure mainly concentrates on the elastic hollow ball 405. Furthermore, the water flows into the buffer space 30 through the water channel 4021, and the elastic hollow ball 405 shrinks under the action of the water hammer pressure; and after the water hammer pressure disappears, the elastic hollow ball 405 returns to its original shape.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the utility model, and its purpose is to enable those skilled in the art to understand and implement the utility model content, and not to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. A filter with a built-in water hammer absorption device, comprising a body and a filter assembly, the body is provided with a water outlet, a water inlet and a connection end for connecting the filter assembly, it is characterized in that the body is installed There is a buffer assembly, the buffer assembly includes a base and an elastic hollow ball, the base and the body abut each other to form a buffer space, the elastic hollow ball is located in the buffer space, and the buffer space is connected to the inside of the body When the water hammer phenomenon occurs, the elastic hollow ball is compressed, and when the water hammer phenomenon disappears, the elastic hollow ball returns to its original shape. 2. A filter with a built-in water hammer absorption device according to claim 1, wherein the body is provided with an upper buffer chamber, and the base is provided with a lower buffer chamber, and the upper buffer chamber is sealed and fitted with The buffer lower chamber is used to form the buffer space. 3. The filter with a built-in water hammer absorption device according to claim 2, wherein the base is provided with a groove, and the groove separates the base into a water passage chamber and the buffer lower chamber. The cavity, the groove is used to place the elastic hollow ball, and the bottom of the groove is provided with a water passage for communicating with the body. 4. The filter with a built-in water hammer absorption device according to claim 3, wherein the water passage is one or more water holes. 5. The filter with a built-in water hammer absorption device according to claim 1, wherein the filter assembly comprises a bottle body and a filter screen located inside the bottle body, and the bottle body is screwed to the The connection end, and the end of the bottle body inserted into the body is sealed and fitted with the base, and the base is pushed to be fixed in the body. 6. A filter with a built-in water hammer absorption device as claimed in claim 5, wherein the filter screen is sealingly fitted to the lower end of the base; the side of the base facing the water outlet is provided with The opening is such that water enters through the water inlet and then flows through the filter assembly to the base, and then flows out of the body through the opening and the water outlet in sequence. 7 . The filter with a built-in water hammer absorption device according to claim 5 , wherein a sewage discharge assembly is connected to the bottom of the bottle body. 8. A filter with built-in water hammer absorption device according to any one of claims 1-7, characterized in that, the water inlet and the water outlet are provided with fixed sleeves, and the fixed sleeves are respectively sealed Compatible with the base and body. 9. A filter with built-in water hammer absorption device according to claim 8, characterized in that, both the water inlet and the water outlet are provided with adapter assemblies. 10. A filter with a built-in water hammer absorption device according to claim 9, wherein the adapter assembly includes an adapter and an adapter nut sleeved outside the adapter, through which the adapter The connecting nut locks the adapter to the water inlet and the water outlet, and a sealing gasket is arranged between the adapter and the water inlet and the water outlet.

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