CN215674061U - Movable joint with filtering function - Google Patents

Abstract

The utility model relates to the technical field of pipeline loose joint, in particular to a loose joint with a filtering function, which comprises a screw cap, a bellmouth, a loose joint main body and a sealing ring, wherein the bellmouth is sequentially sleeved in the screw cap; the sealing ring comprises a first sealing ring arranged at the end part of the movable joint body close to the socket and a second sealing ring arranged at the end part of the socket close to the movable joint body, and a filtering device is further arranged between the first sealing ring and the second sealing ring. The utility model aims to overcome the defects of the prior art and provides the movable joint with the filtering function, which has the advantages of simple product structure, convenience in installation and low production cost and also has the function of optimizing water quality.

Description

Movable joint with filtering function

Technical Field

The utility model relates to the technical field of pipeline loose joint, in particular to a loose joint with a filtering function.

Background

The existing water supply union in the market has high product utilization rate and large yield and has the function of cleaning a pipeline system. But the movable joint does not filter water quality, and users can only filter water quality through the fittings for installing the filter.

Chinese patent CN204062236U discloses a novel loose joint product for connecting two end pipelines, which is simple in installation, simple in structure and high in reliability, but it does not have a filtering function and can not optimize water quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the movable joint with the filtering function, which has the advantages of simple product structure, convenience in installation and low production cost and also has the function of optimizing water quality.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the union with the filtering function comprises a screw cap, a bellmouth, a union body and a sealing ring, wherein the bellmouth is sequentially sleeved in the screw cap, the union body is arranged between the bellmouth and the union body, the bellmouth is sleeved in from one end of the screw cap and partially extends out of the other end of the screw cap, and the union body is in threaded connection with the screw cap; the sealing ring comprises a first sealing ring arranged at the end part of the movable joint body close to the socket and a second sealing ring arranged at the end part of the socket close to the movable joint body, and a filtering device is further arranged between the first sealing ring and the second sealing ring.

The bell mouth is used for connecting a first pipeline, the movable joint main body is used for connecting a second pipeline, the screw cap is used for connecting the movable joint main body with the bell mouth, so that the first pipeline is communicated with the second pipeline, the effect of the movable joint is realized, the filtering device realizes the filtering of water, impurities can be filtered, and the water quality can be purified; the first sealing ring and the second sealing ring are used for realizing the sealing function and preventing water from leaking at the joint of the first pipeline and the second pipeline; compared with the prior art, the filtering device is added, so that the sealing rings are arranged at the joints of the two ends of the filtering device and the movable joint main body or the socket, and the movable joint main body, the filtering device and the socket can form good sealing; specifically, when the movable joint is used, the second sealing ring is installed on the socket and then sleeved in from one end of the nut, the filtering device is installed, the movable joint main body with the first sealing ring installed is sleeved in from the same end of the nut, and the whole movable joint is fastened and the movable joint main body, the filtering device and the socket are tightly connected through threaded connection between the movable joint main body and the nut. The movable joint of the utility model is provided with the filtering function to water on the basis of simple and convenient installation and strong practicability of the common movable joint, and saves the material cost and the installation cost compared with the combination of the common movable joint and a water filter.

Preferably, the filter device is a first filter screen.

Preferably, the filter device comprises a connecting part and a filter part, wherein the connecting part is arranged on the circumferential outer side of the filter part and detachably connected with the filter part.

Preferably, the filtering part is a second filter screen provided with a plurality of filtering holes.

Preferably, the filter part is including setting up third filter screen, the fourth filter screen of connecting portion both sides the third filter screen with still install the filter core in the middle of the fourth filter screen.

Preferably, the filter core is one of a polypropylene short fiber filter core, a ceramic filter core and an activated carbon filter core.

Preferably, the filter core is a plurality of and all with connecting portion rotate and be connected.

Preferably, a first annular groove is formed in the end portion, close to the filtering device, of the movable joint body, a second annular groove is formed in the end portion, close to the filtering device, of the socket, a first annular protrusion and a second annular protrusion are respectively arranged at two ends of the connecting portion, the first annular protrusion is inserted into the first annular groove, and the second annular protrusion is inserted into the second annular groove, so that the filtering device is respectively abutted to the movable joint body and the socket.

Preferably, a third annular groove is formed in the inner side of the screw cap, and the filtering device is inserted into the third annular groove and clamped with the screw cap.

Preferably, a fourth annular groove used for installing the first sealing ring is arranged on the inner side of the first annular groove, a fifth annular groove used for installing the second sealing ring is arranged on the inner side of the second annular groove, the depth of the fourth annular groove is smaller than that of the first annular groove, and the depth of the fifth annular groove is smaller than that of the second annular groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the filtering device adds the filtering to the water by the movable joint, so that the effects of filtering impurities and purifying water quality can be achieved;

(2) the filter part and the connecting part which are detachably connected can ensure that the filter device has better connecting effect when being connected with the movable joint main body and the socket on one hand, and can ensure that the filter part is convenient to replace and the connecting part is repeatedly used on the other hand, thereby saving the cost;

(3) the filter device with the third filter screen, the filter element and the fourth filter screen has triple filtering functions, so that the filtering effect can be further improved.

Drawings

FIG. 1 is a schematic structural view of an embodiment 1 of a union having a filtering function according to the present invention;

FIG. 2 is a schematic structural view of an embodiment 2 of a union having a filtering function according to the present invention;

FIG. 3 is a schematic view of the structure of a filter unit according to embodiment 2;

FIG. 4 is a schematic structural view of a filter device according to embodiment 2;

FIG. 5 is a schematic structural view of the union body of example 2 from the perspective of its end connected to a filter unit;

FIG. 6 is a schematic structural view of the socket of example 2 from the view point of the end connected with the filter device;

FIG. 7 is a sectional view of the filter device of example 2;

FIG. 8 is a schematic structural view of an embodiment 3 of a union having a filtering function according to the present invention;

fig. 9 is a schematic structural view of a union example 4 having a filtering function according to the present invention.

The graphic symbols are illustrated as follows:

1. a nut; 11. a third annular groove; 2. a socket; 21. a second annular groove; 22. a fifth annular groove; 3. a loose joint main body; 31. a first annular groove; 32. a fourth annular groove; 4. a first seal ring; 5. a second seal ring; 6. a filtration device; 61. a first filter screen; 62. a connecting portion; 621. a first annular protrusion; 622. a second annular protrusion; 63. a filtering part; 64. a second filter screen; 65. a third filter screen; 66. a filter element; 67. and a fourth filter screen.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Example 1

Fig. 1 shows a first embodiment of a union with filtering function according to the present invention, which includes a nut 1, a socket 2, a union body 3, and a sealing ring disposed between the socket 2 and the union body 3, wherein the socket 2 is sleeved in from one end of the nut 1 and partially extends out of the other end of the nut 1, and the union body 3 is in threaded connection with the nut 1; the sealing washer is including installing in the first sealing washer 4 that the union body 3 is close to the tip of bellmouth 2, installing in the second sealing washer 5 that the bellmouth 2 is close to the union body 3 tip, still is equipped with filter equipment 6 between first sealing washer 4 and second sealing washer 5.

In one embodiment of the present invention, the filter device 6 includes a connecting portion 62 and a filter portion 63, and the connecting portion 62 is disposed on the outer side of the filter portion 63 in the circumferential direction and detachably connected to the filter portion 63.

The connecting part 62 is used for connecting the filtering device 6, so that the filtering device 6 can be stably installed in the movable joint, and the filtering part 63 plays a role in filtering to realize the filtering function of water; the connecting part 62 and the filtering part 63 which are detachably connected are convenient for the disassembly and the replacement of the filtering part 63 in the long-term use process, so that the good filtering function is ensured, and the connecting part 62 can be repeatedly used, so that the cost is saved.

In one embodiment of the present invention, the filter unit 63 is a second filter 64 having a plurality of filter holes.

The filtering holes are for water to pass through so that foreign substances can be blocked at the side of the filtering part 63. The second filter 64 may be mounted and fixed in abutment with both the union body 3 and the socket 2.

In one embodiment of the present invention, an anti-slip bead is provided on the outer side of the nut 1.

The convex ribs have the anti-skid function, and the friction force is increased by increasing the contact area, so that the purpose of skid resistance during screwing is achieved.

Example 2

As shown in fig. 2 to 7, a second embodiment of the movable joint with filtering function of the present invention is similar to embodiment 1, except that the filtering portion 63 includes a third filter 65 and a fourth filter 67 disposed at two sides of the connecting portion 62, and a filter core 66 is further installed between the third filter 65 and the fourth filter 67.

The third filter 65 initially functions to filter out larger impurities as the water flows through the third filter 65; the filter element 66 has a secondary filtering function, and secondary purification of water quality is carried out through the filter element 66; the fourth filter screen 67 has a third filtering function and intercepts the impurities left after the previous two times of filtering, so that the filtering effect is further improved; preferably, the aperture of the filtering holes of the fourth filter 67 is smaller than the aperture of the filtering holes of the third filter 65. Therefore, when the water flows through the filtering device 6, the water flow is filtered for three times in a short process, and a better filtering effect can be achieved; the third filter 65 and the fourth filter 67 also serve to fix the filter element 66.

In one embodiment of the present invention, the filter element 66 is one of a polypropylene short fiber filter element, a ceramic filter element, and an activated carbon filter element.

Polypropylene short fiber, namely PP cotton, is a commonly used filter element 66 and can adsorb fine impurities in water; the ceramic filter core is uniformly coated with silver ions and antibacterial active ingredients, has antibacterial and antiseptic effects, can effectively remove bacteria, fine particle impurities, viruses and the like in water, and can be widely applied to purification of drinking water and mineral water; the active carbon filter element also utilizes the adsorption effect of the active carbon to adsorb impurities in water so as to achieve the purpose of purifying water quality. It will be appreciated by those skilled in the art that the filter element 66 may be made of other materials.

In one embodiment of the present invention, the filter cores 66 are provided in several numbers and are rotatably connected to the connecting portion 62.

A plurality of filter cores 66 can be arranged between the third filter screen 65 and the fourth filter screen 67, and the filter cores 66 are rotatably connected with the connecting part 62, so that the filter cores 66 can be driven by water flow to rotate, on one hand, the filtering effect can be improved, on the other hand, the utilization rate of the filter cores 66 can be improved, and all parts of the filter cores 66 can be used for filtering, so that the maximum utilization can be realized; of course, the filter element 66 may also have the same cross-sectional area as the third filter 65 or the fourth filter 67, and the filter element 66 is fixedly connected to the connecting portion 62, so that a plurality of layers of filter elements 66 may be provided to further improve the filtering effect.

In one embodiment of the present invention, a first annular groove 31 is provided at an end portion of the union body 3 close to the filter device 6, a second annular groove 21 is provided at an end portion of the socket 2 close to the filter device 6, a first annular protrusion 621 and a second annular protrusion 622 are provided at both ends of the connecting portion 62, respectively, the first annular protrusion 621 is inserted into the first annular groove 31, and the second annular protrusion 622 is inserted into the second annular groove 21, so that the filter device 6 abuts against the union body 3 and the socket 2, respectively.

First annular groove 31 is used for cooperating with first annular protrusion 621, second annular groove 21 is used for cooperating with second annular protrusion 622, through set up first annular groove 31 on loose joint main part 3, set up second annular groove 21 in order to realize spacing to filter equipment 6 on bellmouth 2, it is spacing that connecting portion 62 that makes filter equipment 6 can all carry out good butt respectively in loose joint main part 3 and bellmouth 2, avoid filter equipment 6's drunkenness aversion, especially when meetting high-pressure rivers, can reduce filter equipment 6's position and remove, so that first sealing washer 4 and second sealing washer 5 play better sealed effect. Within the scope of the knowledge of those skilled in the art, the first annular groove 31 and the second annular groove 21 may also be small segments of arc-shaped grooves arranged along the circumferential direction, and the first annular protrusion 621 and the second annular protrusion 622 may also be small segments of arc-shaped protrusions arranged at positions corresponding to the arc-shaped grooves, and the arc-shaped protrusions are inserted into the arc-shaped grooves to realize the insertion fit.

In one embodiment of the present invention, a fourth annular groove 32 for mounting the first seal ring 4 is provided inside the first annular groove 31, a fifth annular groove 22 for mounting the second seal ring 5 is provided inside the second annular groove 21, the depth of the fourth annular groove 32 is smaller than the depth of the first annular groove 31, and the depth of the fifth annular groove 22 is smaller than the depth of the second annular groove 21.

Install first sealing washer 4 in fourth annular groove 32, second sealing washer 5 is installed in fifth annular groove 22, makes first sealing washer 4 and second sealing washer 5 obtain better spacing to promote the sealed effect of the terminal surface of first sealing washer 4 and second sealing washer 5. The depth of the fourth annular groove 32 is smaller than that of the first annular groove 31, and the depth of the fifth annular groove 22 is smaller than that of the second annular groove 21, so that the sealing ring can be in interference fit with the sealing ring to realize end face sealing between the movable joint main body 3 and the filtering device 6 and between the filtering device 6 and the socket 2, and water leakage is prevented.

Example 3

Fig. 8 shows a third embodiment of the movable joint with filtering function of the present invention, which is similar to embodiment 1 except that the filtering device 6 is a first filter 61. The filter device 6 may be a filter net formed integrally, and the positioning is achieved only by abutting against the union body 3 and the socket 2, respectively, without distinguishing the filter part 63 from the connecting part 62. The filter device 6 having such a structure is simpler in structure and lower in cost, but the entire filter device needs to be replaced, and thus it is impossible to replace only the filter unit 63, and the filter device 6 of the present embodiment may be liable to play or deform as compared with the filter device of embodiment 2. Different structures have respective advantages, and users can select the structures according to needs.

Example 4

Fig. 9 shows a fourth embodiment of the movable joint with filtering function according to the present invention, which is similar to embodiment 2 except that a third annular groove 11 is formed inside the nut 1, and the filtering device 6 is inserted into the third annular groove 11 to be engaged with the nut 1. The filter equipment 6 direct mount of this embodiment can make filter equipment 6 have better fixed effect inside nut 1 on the one hand, and on the other hand can assist the fixed of bellmouth 2, makes the union can bear higher pressure, but has increased certain degree of difficulty when dismantling for the union simultaneously, and it is convenient not to have the union dismantlement in above-mentioned three embodiments.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A movable joint with a filtering function comprises a screw cap (1), a bell mouth (2) sleeved in the screw cap (1) in sequence, a movable joint main body (3) and a sealing ring arranged between the bell mouth (2) and the movable joint main body (3), wherein the bell mouth (2) is sleeved in from one end of the screw cap (1) and partially extends out of the other end of the screw cap (1), and the movable joint main body (3) is in threaded connection with the screw cap (1); the sealing ring is characterized by comprising a first sealing ring (4) arranged at the end part of the movable joint main body (3) close to the socket (2) and a second sealing ring (5) arranged at the end part of the socket (2) close to the movable joint main body (3), wherein a filtering device (6) is further arranged between the first sealing ring (4) and the second sealing ring (5).

2. Union with filtering action according to claim 1, characterized in that said filtering means (6) is a first filter (61).

3. The union with filtering function according to claim 1, characterized in that the filtering device (6) comprises a connecting portion (62), a filtering portion (63), the connecting portion (62) being arranged at the circumferential outer side of the filtering portion (63) and detachably connected with the filtering portion (63).

4. A movable joint with filtering function according to claim 3, wherein the filtering portion (63) is a second filtering net (64) provided with a plurality of filtering holes.

5. The union with filtering function according to claim 3, wherein the filtering portion (63) comprises a third filter (65) and a fourth filter (67) which are arranged on two sides of the connecting portion (62), and a filter core (66) is further installed between the third filter (65) and the fourth filter (67).

6. The union according to claim 5, wherein the filter element (66) is one of a polypropylene short fiber filter element, a ceramic filter element and an activated carbon filter element.

7. The union with filtering function as claimed in claim 6, characterized in that the filtering cores (66) are several and are all rotatably connected with the connecting portion (62).

8. The union with filtering action according to any one of claims 1 to 7, characterized in that a first annular groove (31) is provided at the end of the union body (3) close to the filtering means (6), a second annular groove (21) is provided at the end of the socket (2) close to the filtering means (6), a first annular protrusion (621) and a second annular protrusion (622) are provided at the two ends of the connecting portion (62), respectively, and the first annular protrusion (621) is inserted into the first annular groove (31) and the second annular protrusion (622) is inserted into the second annular groove (21) so that the filtering means (6) abuts against the union body (3) and the socket (2), respectively.

9. The union with filtering action according to any one of claims 1 to 7, characterized in that a third annular groove (11) is provided inside the nut (1), the filtering means (6) being inserted in said third annular groove (11) and being in snap-fit engagement with the nut (1).

10. The union with filtering action according to claim 8, characterized in that inside said first annular groove (31) there is a fourth annular groove (32) for mounting said first seal ring (4), inside said second annular groove (21) there is a fifth annular groove (22) for mounting said second seal ring (5), the depth of said fourth annular groove (32) being smaller than the depth of said first annular groove (31), the depth of said fifth annular groove (22) being smaller than the depth of said second annular groove (21).

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