CN205164278U - Install and remove leading filter convenient, that maintain simply, consolidate crack control - Google Patents

Abstract

The utility model belongs to the field of filter technology and application, in particular to a pre-filter which is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking, including a filter valve, a filter cup assembly, a filter element assembly, a runner, and a ring and a flushing valve; the top of the filter valve is provided with a water inlet channel, a water outlet channel, and double openings at the bottom, and the diameter of the double openings matches the diameter of the filter element assembly and the filter cup; the filter cup assembly includes the filter cup And the through-type connecting piece, the filter cup is threadedly connected with the filter valve, and the connection is provided with a bottle mouth sealing ring; the filter element assembly includes a supporting frame that can be sequentially fitted and connected in sequence, and matched in size, A filter screen and a filter screen protector; the filter element assembly is placed inside the filter bowl assembly. The utility model proposes a pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking, which can effectively realize the functions of cleaning and flattening the filter screen, can efficiently clean the retained dirt, has a long service life, and has good overall performance.

Description

A pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking

technical field

The utility model relates to a pre-filter which has the characteristics of integrated foundation connection, flexibility in horizontal and vertical directions, good strength and shock resistance of the integral pillar, convenient assembly and disassembly, simple maintenance, and reinforced anti-cracking. It belongs to the field of filter technology and application.

Background technique

The pre-filter is an indispensable device on the liquid delivery pipeline. In the civil application field, it is usually installed at the water inlet of the water supply pipeline of the building, the entrance of the household water supply pipeline, and the water inlet of other wading equipment. To eliminate solid impurities and other pollutants contained in tap water, to protect subsequent pipelines, valves, wading equipment, wading appliances and other components; especially to effectively ensure the quality of drinking water for consumers.

With the gradual improvement of people's living standards, pre-filters common in residential households in developed countries in Europe and the United States have been widely recognized and applied in China. Although the existing pre-filter can play a certain filtering effect, there are great deficiencies in actual production, use, maintenance, and safety. tools and other auxiliary tools, resulting in low productivity; users do not maintain and flush the intercepted dirt thoroughly during use; it is difficult to assemble and restore the filter element after disassembly and cleaning; when encountering large pipe pressure and water hammer, the filter screen is deformed and the filter cup bursts These phenomena etc. have seriously restricted the promotion and popularization of this product among consumers.

To sum up, in order to solve the defects in the existing technology and the deficiencies in the use process, it is urgent to invent a function that can effectively realize the function of cleaning and flattening the filter screen, which can efficiently clean the retained dirt, have a long service life, and A pre-filter with good overall performance that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking.

Utility model content

The utility model proposes a pre-filter that can effectively realize the functions of cleaning and flattening the filter screen, can efficiently clean the retained dirt, has a long service life, and has good overall performance. The defects in the prior art such as incomplete flushing and retained dirt, deformation of the filter screen, bursting of the filter cup and the like are solved.

In order to solve the problems of the technologies described above, the technical solution of the utility model is:

A pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking, including a filter valve, a filter cup assembly, a filter element assembly, a runner, a ring, and a flushing valve;

The top of the filter valve is provided with a water inlet channel and a water outlet channel, and the bottom has double openings, and the diameter of the double openings matches the diameter of the filter element assembly and the filter cup;

The filter cup assembly includes the filter cup and a through-type connector, the filter cup is threadedly connected to the filter valve, and a bottle mouth sealing ring is provided at the connection;

The filter element assembly includes, from the inside to the outside, a support frame, a filter screen and a filter screen protective cover that can be sequentially fitted and connected, and matched in size;

The filter element assembly is placed inside the filter cup assembly, the filter element assembly is fixed to the filter cup through the raised block provided on the outer wall of the support frame, and the middle channel at the bottom of the filter screen protection sleeve The protruding pipe is connected with the said central connecting piece which can rotate it.

Further, the outer wall of the filter cup is provided with a groove for installing a bottle mouth sealing ring, the upper middle part of the outer wall of the filter cup is provided with a plurality of raised ribs, and the bottom of the inner wall of the filter cup is evenly surrounded by a plurality of ribs. There are two raised platforms, and grooves are formed between adjacent raised platforms.

The top outer wall of the support frame is provided with water distribution holes, and the ring-shaped uniformly distributed water distribution holes form the water inlet end of the support frame, and the raised block fits with the groove provided on the inner wall of the filter cup. The bottom end surface of the support frame is provided with a raised circular platform.

The support frame is provided with a sealing ring groove, and the support frame and the filter screen are sealed and connected through the filter screen sealing ring provided in the sealing ring groove.

The filter screen protective cover includes a strip-shaped spine and a ring-shaped rib. The outer side of the ring-shaped rib is provided with corrugated convex-concaves. The annular rib forms an angle of 0-90° with the horizontal line.

A plurality of protruding columns for fixing the support frame are provided on the inner plane of the bottom of the filter screen protective cover, and a central raised tube is provided on the outer side of the bottom of the filter screen protective cover. A water hole is provided on the wall, and the said middle through raised pipe is fitted and inserted into the said middle through type connector.

The through-type connecting piece runs through the through hole at the bottom of the filter cup, and the outer side of the through-type connecting piece is threadedly connected with a runner that can drive it to rotate, and a sealing ring of the connecting piece is provided at the joint.

The runner is provided with a rotatable ring-shaped piece with markings, and the bottom of the through-type connector is connected with a flushing valve, and the connection is provided with a flushing valve sealing ring, and the runner is fixed on the bottom of the filter bowl.

The sewage channel is formed by the water hole provided on the pipe wall of the raised tube of the central channel, the hollow hole inside the central channel connector and the flushing valve.

The utility model has the following characteristics and beneficial effects:

(1) The utility model can realize that the raw water enters the filter cup evenly from the water distribution holes during the filtration process through the multiple water distribution holes arranged on the support frame, and the impurities in the raw water can evenly fall on the inner side of the filter cup and the cavity. Around the surface of the middle and filter screens, and the raw water passes through the water distribution holes to form a strong impact water flow, which can wash away the intercepted dirt more effectively. The matching of the supporting frame protrusions and the filter cup grooves can The filter element assembly is tightly fastened in the filter cup to form a whole. During the assembly process, the position of the filter element assembly does not need to be corrected repeatedly, which prevents the leakage of raw water and the damage of the filter element assembly caused by the deviation of the supporting frame.

(2) The utility model can realize the active sealing connection with the filter cup through the special middle-type connector and the seal ring of the connector. The upper end is connected to the filter element assembly, and the lower end is connected to the runner assembly. Through the rotation of the runner, the The function of cleaning and flattening the filter reduces the frequency of users opening the filter cup for cleaning. The ring is marked with numbers, which can mark the flushing time and help users remember.

(3) The setting of the filter screen protective cover can effectively prevent the filter screen from falling off and deforming; when the filter screen protective cover is driven to rotate, its raised scraping bar can effectively scrape and flatten the deformed part of the filter screen; at the same time, its raised scraping teeth can A large amount of dirt trapped on the inner wall of the filter bowl and in the cavity is scraped up, and then the dirt is scattered and dropped to a greater extent by the annular ribs of the oblique cloth, and then flushed into the sewage channel with the help of water flow, and the flushing is more thorough.

(4) Raised ribs and raised platforms are set in the filter cup, which can strengthen the two ports of the filter cup, effectively improve the strength and rigidity of the two ports of the filter cup, and effectively prevent the filter cup from cracking during use; at the same time, the raised ribs can also It is convenient to open the filter cup, the raised platform can support and hold the filter screen protection cover, and the groove formed by the adjacent raised platform can effectively guide and intercept the dirt.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention 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 These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a perspective view of a pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking of the utility model;

Fig. 2 is a structural schematic diagram of a pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking of the utility model;

Fig. 3 is a perspective view of a middle filter valve of a pre-filter which is convenient to assemble and disassemble, easy to maintain, and reinforced to prevent cracking according to the utility model;

Fig. 4 is a perspective view of a filter cup in a pre-filter which is convenient to assemble and disassemble, easy to maintain, and reinforced to prevent cracking according to the utility model;

Fig. 5 is a partial view of the inner bottom of the filter cup in a pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking of the utility model;

Fig. 6 is a perspective view of a support frame in a pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking of the utility model;

Fig. 7 is a three-dimensional view of a filter screen in a pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking of the utility model;

Fig. 8 is a perspective view of a filter screen protective cover in a pre-filter which is convenient to assemble and disassemble, easy to maintain, and reinforced to prevent cracking according to the utility model;

Fig. 9 is a perspective view of an annular part in a pre-filter which is convenient to assemble and disassemble, easy to maintain, and reinforced to prevent cracking according to the utility model;

Fig. 10 is a perspective view of a runner in a pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking according to the utility model;

Fig. 11 is a perspective view of a flushing valve in a pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking according to the present invention.

In the figure, 1-filter valve; 2-filter cup; 21-bottle mouth sealing ring; 22-groove; Platform; 3-support frame; 31-water distribution hole; 32-raised block; 33-sealing ring groove; 34-raised round table; 4-filter screen; 41-filter screen seal ring; 5-filter screen protection cover ;51-raised scraping strip; 52-striped spine; 53-corrugated convex and concave; 54-raised scraping teeth; Water hole; 6-annular piece; 7-runner; 8-flush valve; 81-flush valve sealing ring; 9-water inlet channel; 10-water outlet channel; 11-drainage channel.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model will be further described. It should be noted here that the descriptions of these implementations are used to help understand the utility model, but are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

Referring to FIG. 1 and FIG. 2, a perspective view and a structural schematic diagram of a pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking are shown. A pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking includes a filter valve 1 , a filter cup assembly, a filter element assembly, a runner 7 , a ring 6 and a flushing valve 8 .

Refer to FIG. 3 for a perspective view of a filter valve in a pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking. The top of the filter valve 1 is provided with a water inlet channel 9, a water outlet channel 10, and double openings at the bottom, and the diameter of the double openings matches the diameter of the filter element assembly and the filter cup 2;

Referring to FIG. 4 and FIG. 5 , a perspective view of a filter cup and a partial view of the inner bottom of a filter cup in a pre-filter with convenient assembly and disassembly, simple maintenance, and reinforced anti-cracking are shown. The filter cup assembly includes the filter cup 2 and a through-type connector 24, the filter cup 2 is threadedly connected to the filter valve 1, and the joint is provided with a bottle mouth sealing ring 21; the outer wall of the filter cup 2 is provided with There is a groove 22 for installing the sealing ring 21 of the bottle mouth. The middle and upper parts of the outer wall of the filter cup 2 are provided with a plurality of raised ribs 23, and the bottom of the inner wall of the filter cup 2 is evenly surrounded by a plurality of raised platforms. 26 , a groove is formed between adjacent raised platforms 26 . The raised ribs 23 and the raised platform 26 are set in the filter cup 2, which can reinforce the two ports of the filter cup 2, effectively improve the strength and rigidity of the two ports of the filter cup 2, and effectively prevent the filter cup 2 from cracking during use; The ribs 23 can open the filter cup conveniently, the raised platform 26 can support and hold the filter screen protective cover 5, and the grooves formed by the adjacent raised platforms 26 can effectively divert and intercept the dirt.

The filter element assembly is placed inside the filter cup assembly, and the filter element assembly includes a support frame 3 , a filter screen 4 and a filter screen protective cover 5 that can be fitted and connected in sequence and matched in size from the inside to the outside.

Refer to Figure 6, Figure 7 and Figure 8 for a perspective view of a support frame, filter screen and filter screen protective cover in a pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking. The outer wall of the top of the support frame 3 is provided with water distribution holes 31, and the ring-shaped and evenly distributed water distribution holes 31 form the water inlet end of the support frame. The raw water can evenly enter the filter cup 2 from the water distribution hole 31, and at the same time, the impurities in the raw water can evenly fall on the inner side of the filter cup 2, in the cavity, and around the surface of the filter screen 4, and the raw water passes through the water distribution hole 31 to form a strong impact Strong water flow can effectively wash away the trapped dirt. The protruding block 32 fits with the groove provided on the inner wall of the filter cup 2 , and the bottom end surface of the support frame 3 is provided with a protruding circular platform 34 . The support frame 3 is provided with a seal ring groove 33 , and the support frame 3 and the filter screen 4 are sealed and connected through the filter screen seal ring 41 provided in the seal ring groove 33 . The matching of the protruding block 32 provided on the support frame 3 and the groove of the filter cup 2 can fasten the filter element assembly in the filter cup 2 to form a whole, and there is no need to repeatedly correct the position of the filter element assembly during the assembly process , to avoid the occurrence of raw water leakage and damage to the filter element assembly due to misalignment of the supporting frame 3 .

The filter screen protective cover 5 includes a strip-shaped spine 52 and an annular rib 57, the outer side of the annular rib 57 is provided with corrugated convex-concaves 53, the outer side of the strip-shaped spine 52 is provided with raised scraping teeth 54, and the inner side is provided with The raised scraping strip 51, the annular rib 57 forms an angle of 0-90° with the horizontal line. A plurality of protruding columns 55 for fixing the support frame 3 are arranged on the inside plane of the bottom of the filter screen protective cover 5, and a central raised tube 56 is provided on the outer side of the bottom of the filter screen protective cover 5. A water hole 58 is provided on the pipe wall of the riser pipe 56 , and the said middle through raised pipe 56 is adapted to be inserted into and connected with the said middle through type connector 24 . The setting of the filter screen protective cover 5 can effectively prevent the filter screen 4 from falling off and deforming; when the filter screen protective cover 5 is driven to rotate, its raised scraping bar 51 can effectively scrape and flatten the deformed part of the filter screen 4; at the same time, its raised scraping teeth 54 can scrape up a large amount of dirt trapped in the inner wall of the filter cup 2 and in the cavity, and then disperse and drop the dirt to a greater extent through the annular rib 57 of the oblique cloth, and then flush it into the sewage channel 11 with the help of water flow, and rinse more thorough.

The filter element assembly is fixed to the filter cup 2 through the protruding block 32 provided on the outer wall of the support frame 3, and the central protruding tube 56 at the bottom of the filter screen protective cover 5 is connected to the all-round tube that can drive it to rotate. The above-mentioned general type connector 24 is connected.

Referring to Fig. 9, Fig. 10 and Fig. 11, it is a three-dimensional view of an annulus, a runner and a flushing valve in a pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking. The through-type connecting piece 24 runs through the through hole at the bottom of the filter cup 2 , and the outside of the through-type connecting piece 24 is threadedly connected with the runner 7 that can drive it to rotate, and a connecting piece sealing ring 25 is provided at the joint. The runner 7 is provided with a rotatable and marked ring-shaped part 6, the bottom of the through-type connector 24 is connected with a flushing valve 8, and a flushing valve sealing ring 81 is provided at the connection, and the runner 7 passes through The flushing valve 8 is fixed on the bottom of the filter cup 2 . The sewage channel is formed by the water hole 58 provided on the wall of the raised tube 56 , the hollow hole inside the connecting piece 24 and the flushing valve 8 . The movable and sealed connection with the filter cup 2 can be realized through the special through-type connecting piece 24 and the connecting piece sealing ring 25. The upper end is connected to the filter element assembly, and the lower end is connected to the runner 7. Through the rotation of the runner 7, the cleaning can be effectively realized. And the function of flattening the filter screen reduces the frequency of the user opening the filter cup 2 to clean the dirt. The ring part 6 has a digital mark, which can mark the flushing time and can assist the user to remember.

The combination of the filter valve 1, the filter cup assembly, the filter core assembly, the runner 7, the annular member 6 and the flushing valve 8 in the pre-filter of the utility model, which is convenient to assemble and disassemble, easy to maintain, and reinforced to prevent cracking, solves the problem of In the prior art, there are defects such as incomplete flushing and retention of dirt, deformation of the filter screen 4, and bursting of the filter cup 2, which have the advantages of easy assembly and disassembly, efficient cleaning of the retention of dirt, safety and crack prevention, and extended service life.

The embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the utility model, various changes, modifications, replacements and modifications to these embodiments still fall within the protection scope of the utility model.

Claims (9)

1. A pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking, is characterized in that it includes a filter valve, a filter cup assembly, a filter element assembly, a runner, a ring, and a flushing valve; The top of the filter valve is provided with a water inlet channel and a water outlet channel, and the bottom has double openings, and the diameter of the double openings matches the diameter of the filter element assembly and the filter cup; The filter cup assembly includes the filter cup and a through-type connector, the filter cup is threadedly connected to the filter valve, and a bottle mouth sealing ring is provided at the connection; The filter element assembly includes, from the inside to the outside, a support frame, a filter screen and a filter screen protective cover that can be sequentially fitted and connected, and matched in size; The filter element assembly is placed inside the filter cup assembly, the filter element assembly is fixed to the filter cup through the raised block provided on the outer wall of the support frame, and the middle channel at the bottom of the filter screen protection sleeve The protruding pipe is connected with the said central connecting piece which can rotate it. 2. The pre-filter with convenient assembly and disassembly, simple maintenance, and reinforced anti-cracking according to claim 1, is characterized in that the outer wall of the filter cup is provided with a groove for installing a bottle mouth seal ring, and the filter cup The upper and middle parts of the outer wall are provided with a plurality of protruding ribs, and the bottom of the inner wall of the filter cup is uniformly surrounded by a plurality of protruding platforms, and grooves are formed between adjacent protruding platforms. 3. The pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking according to claim 1, is characterized in that the outer wall of the top of the support frame is provided with water distribution holes, and the ring-shaped uniformly distributed water distribution holes The water inlet end of the supporting frame is formed, and the protruding block fits and fits with the groove provided on the inner wall of the filter cup, and the bottom end surface of the supporting frame is provided with a raised circular platform. 4. According to claim 1 or 3, the pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking is characterized in that the support frame is provided with a sealing ring groove, and the support frame and the filter screen pass through the The filter screen sealing ring arranged in the sealing ring groove is sealed and connected. 5. The pre-filter that is easy to assemble and disassemble, easy to maintain, and reinforced to prevent cracking according to claim 1, wherein the protective cover of the filter screen includes strip-shaped spines and ring-shaped ribs, and the outer side of the ring-shaped ribs is There are corrugated convexes and concaves, the strip-shaped spine is provided with convex scraping teeth on the outside, and a raised scraping strip on the inside, and the annular rib and the horizontal line form an angle of 0-90°. 6. The pre-filter with convenient assembly and disassembly, simple maintenance, and reinforced anti-cracking according to claim 5, is characterized in that a plurality of brackets for fixing the support frame are arranged on the inner plane of the bottom of the filter screen protective cover. Protruding column, the outer side of the bottom of the filter screen protective sleeve is provided with a central raised tube, and the wall of the central raised tube is provided with a water hole. The connector is adapted for a plug-in connection. 7. The pre-filter with convenient assembly and disassembly, easy maintenance, and reinforced anti-cracking according to claim 6, characterized in that the through-type connector runs through the through hole at the bottom of the filter cup, and the through-type connector The outer side of the connecting piece is threadedly connected with the runner that can drive it to rotate, and the connecting piece is provided with a sealing ring of the connecting piece. 8. The pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking according to claim 7, is characterized in that a rotatable ring with markings is arranged on the runner, and the middle-pass type A flushing valve is connected to the bottom of the connector, and a flushing valve sealing ring is provided at the joint, and the runner is fixed on the bottom of the filter cup through the flushing valve. 9. The pre-filter with convenient assembly and disassembly, simple maintenance and reinforced anti-cracking according to claim 8 is characterized in that the sewage channel is composed of the water hole and the water hole provided on the wall of the raised pipe in the middle. The above-mentioned through-type connector and the hollow hole inside the flush valve are formed.