CN213790980U

CN213790980U - Center tube assembly

Info

Publication number: CN213790980U
Application number: CN202022265541.0U
Authority: CN
Inventors: 吕腾蛟; 张军; 汝彬; 韩荣耀
Original assignee: Suzhou Pentair Water Treatment Co ltd
Current assignee: Suzhou Pentair Water Treatment Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-27
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to a central tube component, which comprises one or more of a first central tube body, a second central tube body and a third central tube body, wherein one end of the first central tube body is provided with a connecting part, and the other end of the first central tube body forms an end part; a water through hole is formed in the circumferential surface of the second central pipe body, and the two ends of the second central pipe body are respectively provided with the connecting parts; a water through hole is formed in the circumferential surface of the third central pipe body, one end of the third central pipe body is provided with the connecting part, and the other end of the third central pipe body forms an end part; the connecting part can be matched and connected with the connecting part. The utility model discloses a through standardized connecting portion, can be according to the first central body of the applied scene independent assortment of difference, the central body of second, the central body of third, longer central tube subassembly of amalgamation. The utility model discloses contrast in prior art has better cost advantage, better manufacturing flexibility.

Description

Center tube assembly

Technical Field

The utility model relates to a water purification field, concretely relates to center tube assembly.

Background

The filter core generally needs the center tube as inside bearing structure, especially reverse osmosis filter core, can make things convenient for the winding of filter membrane, and present center tube is integrated into one piece mostly, and if the center tube size is longer, then the mould size that corresponds the center tube is great, and mould cost and processing cost are higher, and the center tube of not being convenient for makes up the concatenation according to different situations.

Disclosure of Invention

The utility model aims at providing a center tube subassembly.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a center tube assembly comprising one or more of a first center tube body, a second center tube body, a third center tube body,

one end of the first central pipe body is provided with a connecting part, and the other end of the first central pipe body forms an end part;

a water through hole is formed in the circumferential surface of the second central pipe body, and the two ends of the second central pipe body are respectively provided with the connecting parts;

a water through hole is formed in the circumferential surface of the third central pipe body, one end of the third central pipe body is provided with the connecting part, and the other end of the third central pipe body forms an end part;

the connecting part can be matched and connected with the connecting part.

Preferably, the connecting portion includes a limiting opening formed in the side wall of the end portion of the first central tube, the second central tube and the third central tube, and a connecting piece extending axially from the end portion of the first central tube, the second central tube and the third central tube, and a limiting block is disposed on the connecting piece, and when the connecting portion is connected with the connecting portion, the limiting block on one connecting portion can be clamped into the limiting opening on the other connecting portion.

Further preferably, the connecting sheet and the limiting port on the connecting portion are provided with multiple groups and the number of the connecting sheet and the limiting port corresponds to that of the limiting port.

Still further preferably, the spacing openings and the connecting pieces are distributed at intervals.

Preferably, the connecting piece extends outwards from the inner wall of the end parts of the first central tube body, the second central tube body and the third central tube body, so that the connecting part of the central tube component after connection is smooth.

Preferably, the central tube assembly comprises two first central tubes and at least one second central tube, the two first central tubes are located at two sides, the at least one second central tube is located in the middle, and the first central tube and the second central tube are connected through the connecting portion.

Preferably, the central tube assembly comprises two third central tubes, and the third central tubes are connected through the connecting part.

Preferably, the central tube assembly includes two third central tubes and at least one second central tube, the two third central tubes are located at two sides, the at least one second central tube is located in the middle, and the second central tubes and the third central tubes are connected through the connecting portion.

Preferably, the center tube assembly comprises one of the first center tube body and one of the third center tube body, and the first center tube body and the third center tube body are connected through the connecting portion.

Preferably, the central tube assembly includes one of the first central tube, one of the third central tube, and at least one of the second central tube, the one of the first central tube and the one of the third central tube are respectively located at two sides, the at least one of the second central tube is located in the middle, and the first central tube, the second central tube, and the third central tube are connected to each other through the connecting portion.

Preferably, the stopper has a guide slope for easy insertion.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a through standardized connecting portion, can be according to the first central body of the applied scene independent assortment of difference, the central body of second, the central body of third, longer central tube subassembly of amalgamation. The utility model discloses contrast in prior art has better cost advantage, better manufacturing flexibility.

Drawings

Fig. 1 is a first central tube according to embodiments one, two, three, four, and five;

fig. 2 is a second central tube according to embodiments one, two, three, four, and five;

fig. 3 is a third central tube according to embodiments one, two, three, four, and five;

FIG. 4 is a combination drawing of a center tube assembly having 2 second center tubes according to one embodiment;

FIG. 5 is a cross-sectional view taken along section E-E of FIG. 4;

FIG. 6 is a combination drawing of a center tube assembly having 3 second center tubes according to one embodiment;

FIG. 7 is an exploded view of a center tube assembly having 3 second center tubes according to one embodiment;

FIG. 8 is a combination diagram of the second embodiment;

FIG. 9 is an exploded view of the second embodiment;

FIG. 10 is a fragmentary view of a third embodiment having 1 second central tube;

FIG. 11 is an exploded view of the fourth embodiment;

fig. 12 is an exploded view of the fifth embodiment having 1 second central tube.

In the above drawings: 1. a first central tube; 2. a second central tube; 3. a third central tube; 4. a connecting portion; 41. a limiting port; 42. connecting sheets; 421. a limiting block; 4211. a guide slope; 5. an end portion; 6. a water hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 4-12, a center tube assembly is composed of a first center tube 1, a second center tube 2, and a third center tube 3, which are connected together.

As shown in fig. 1-3 and 12, the first central tube body 1 has a connecting portion 4 at one end and an end portion 5 at the other end. The circumferential surface of the second central pipe body 2 is provided with water through holes 6 which are distributed along the axial direction, and two ends of the second central pipe body 2 are respectively provided with a connecting part 4. The circumferential surface of the third central pipe body 3 is provided with a water through hole 6 which is distributed along the axial direction, one end of the third central pipe body 3 is provided with a connecting part 4, and the other end forms an end part 5. The end 5 formed by the other end of the third central tube 3 may be identical to the end 5 formed by the other end of the first central tube 1. The connecting parts 4 at one ends of the first central tube body 1, the second central tube body 2 and the third central tube body 3 are all the same.

As shown in fig. 12, the first central tube 1, the second central tube 2 and the third central tube 3 in different combinations form a central tube assembly with smooth transition at the connection part through the matching connection between the connection part 4 and the connection part 4.

As shown in fig. 1-3 and 12, the connecting portion 4 includes a limiting opening 41 formed on the side wall of the end portion 5 of the first central tube body 1, the second central tube body 2 and the third central tube body 3, and a connecting piece 42 extending outward from the inner wall of the end portion of the first central tube body 1, the second central tube body 2 and the third central tube body 3 along the axial direction thereof, a limiting block 421 is provided on the connecting piece 42, the limiting block 421 has a guiding inclined plane 4211 convenient for insertion, and when the connecting portions 4 are connected with the connecting portions 4, the limiting block 421 on one connecting portion 4 can be clamped into the limiting opening 41 on the other connecting portion 4. The connecting portion 4 is provided with a plurality of sets of connecting pieces 42 and limiting openings 41 with the same number, the limiting openings 41 and the connecting pieces 42 are distributed at intervals, and in the first, second, third and fourth embodiments, the limiting openings 41 and the connecting pieces 42 on each connecting portion 4 are arranged in two sets.

Various embodiments of the present invention are described in detail below:

the first embodiment is as follows:

as shown in fig. 4 to 7, the central tube assembly includes two first central tubes 1 and at least one second central tube 2, the two first central tubes 1 are respectively located at two sides, the at least one second central tube 2 is located in the middle, and the first central tubes 1 and the second central tubes 2 are connected by a connecting portion 4.

Example two:

as shown in fig. 8 and 9, the center tube assembly includes two third center tubes 3, and the third center tubes 3 are connected to each other by a connecting portion 4.

Example three:

as shown in fig. 10, the central tube assembly includes two third central tubes 3 and at least one second central tube 2, the two third central tubes 3 are respectively located at two sides, the at least one second central tube 2 is located in the middle, and the second central tube 2 and the third central tube 3 are connected by a connecting portion 4.

Example four:

as shown in fig. 11, the center tube assembly includes a first center tube 1 and a third center tube 3, and the first center tube 1 and the third center tube 3 are connected by a connecting portion 4.

Example five:

as shown in fig. 12, the central tube assembly includes a first central tube 1, a third central tube 3, and at least one second central tube 2, wherein the first central tube 1 and the third central tube 3 are respectively located at two sides, the at least one second central tube 2 is located in the middle, and the first central tube 1, the second central tube 2, and the third central tube 3 are connected by a connecting portion 4.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A center tube assembly, characterized by: the center tube assembly comprises one or more of a first center tube body, a second center tube body and a third center tube body,

the connecting part can be matched and connected with the connecting part.

2. The center tube assembly as recited in claim 1, wherein: connecting portion are including seting up spacing mouth on first central body, second central body, the third central body tip lateral wall, follow first central body, second central body, the third central body tip is along its axially extended connection piece, be provided with the stopper on the connection piece, connecting portion with when connecting between the connecting portion, one on the connecting portion the stopper all can be blocked in another on the connecting portion in the spacing mouth.

3. The center tube assembly as recited in claim 2, wherein: the connecting sheet and the limiting port on the connecting portion are provided with multiple groups and the number of the connecting sheet and the limiting port corresponds to that of the limiting port.

4. The center tube assembly set forth in claim 3, wherein: the limiting openings and the connecting pieces are distributed at intervals.

5. The center tube assembly set forth in claim 3, wherein: the connecting piece extends outwards from the inner walls of the end parts of the first central pipe body, the second central pipe body and the third central pipe body, so that the connecting part of the central pipe assembly is smooth after connection.

6. The center tube assembly as recited in claim 1, wherein: the central tube assembly comprises two first central tube bodies and at least one second central tube body, the two first central tube bodies are located on two sides, the at least one second central tube body is located in the middle, and the first central tube bodies and the second central tube bodies are connected through the connecting portions.

7. The center tube assembly as recited in claim 1, wherein: the central tube assembly comprises two third central tube bodies, and the third central tube bodies are connected through the connecting parts.

8. The center tube assembly as recited in claim 1, wherein: the central tube assembly comprises two third central tubes and at least one second central tube, the two third central tubes are located on two sides, the at least one second central tube is located in the middle, and the second central tubes and the third central tubes are connected through the connecting portions.

9. The center tube assembly as recited in claim 1, wherein: the central tube assembly comprises one of the first central tube body and one of the third central tube body, and the first central tube body and the third central tube body are connected through the connecting part.

10. The center tube assembly as recited in claim 1, wherein: the central tube assembly comprises a first central tube body, a third central tube body and at least one second central tube body, wherein the first central tube body and the third central tube body are respectively positioned at two sides, the second central tube body is positioned in the middle, and the first central tube body, the second central tube body and the third central tube body are connected through the connecting parts.