Connecting structure of cold supply pipeline

Abstract

The utility model discloses a connecting structure of a cold supply pipeline, which relates to the field of cold supply pipelines and comprises a first pipeline, a second pipeline and a plurality of groups of sealing rings, the plurality of groups of sealing rings are respectively and fixedly sleeved on the outer sides of the first pipeline and the second pipeline at equal intervals, and two groups of external thread plates are arranged on the periphery of the first pipeline. A plurality of groups of sealing grooves are formed in the inner side surfaces of the two groups of external thread plates, first fixing rings fixedly sleeve the outer sides of the first pipeline and the second pipeline, movable groove rings movably sleeve the outer sides of the two groups of first fixing rings, and four groups of first fixing rods are fixedly connected to the opposite surfaces of the two groups of movable groove rings; and two groups of internal thread shells are arranged between the two groups of movable groove rings. The pipeline connecting structure has the advantages that the two cold supply pipelines can be connected in a sealed mode while the connecting structure is prevented from hindering fluid flowing, the sealing effect is good, the safety protection function of the pipeline connecting structure is achieved, and the service life of the connecting structure is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cold supply pipeline, especially a connecting structure of cold supply pipeline. BACKGROUND

[0002] The cold supply pipeline is an important component in the refrigeration system, responsible for transporting refrigerant to achieve the cooling of buildings or equipment. Its main function is to transport low-temperature refrigerant from the refrigeration unit to the area that needs to be cooled, thereby absorbing heat and expelling heat through the circuit. The cold supply pipeline is usually made of corrosion-resistant and heat-insulating materials to ensure efficient refrigerant flow and heat insulation to prevent energy loss. However, the cold supply pipeline often needs to be connected to other structures during application.

[0003] The patent with publication number CN216555775U discloses a connecting structure of cold supply pipeline, which inflates and expands by setting a sealing air bag, so that the sealing air bag can block the inside of one end of the pipeline body, and the inside of one end of the pipeline body is sealed. Then, the pipeline body is moved to separate one end of the pipeline body from the inside of the connecting block, so that the detached pipeline body can be repaired by the worker, achieving the effect of easy repair. The cooling liquid inside the pipeline body can also flow out at the specified position under the blockage of the sealing air bag, avoiding the waste of cooling liquid accidentally flowing onto the worker's body, facilitating the storage of cooling liquid, and achieving the effect of easy collection and reuse of cooling liquid. However, the connecting structure of the cold supply pipeline may hinder the flow of fluid due to the presence of the sealing air bag, and the sealing air bag may easily break, thereby reducing the sealing effect of the connecting structure. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a connecting structure of cold supply pipeline. The existing connecting structure of cold supply pipeline may hinder the flow of fluid due to the presence of the sealing air bag, and the sealing air bag may easily break, thereby reducing the sealing effect of the connecting structure.

[0005] To solve the above technical problems, the technical scheme of the utility model is a connecting structure of cold supply pipeline, which includes a first pipeline and a second pipeline, and further includes a plurality of groups of sealing rings, which are fixedly sleeved on the outer sides of the first pipeline and the second pipeline at equal intervals, respectively. The outer periphery of the first pipeline is provided with two groups of outer threaded plates, and a plurality of groups of sealing grooves are formed in the inner sides of the two groups of outer threaded plates.

[0006] The outer sides of the first pipeline and the second pipeline are fixedly sleeved with first fixing rings, the outer sides of the two groups of first fixing rings are movably sleeved with movable groove rings, the opposite surfaces of the two groups of movable groove rings are fixedly connected with four groups of first fixing rods, and two groups of inner threaded shells are arranged between the two groups of movable groove rings.

[0007] As a further scheme of the utility model: the cross section shape of two groups of outer thread plates is arranged in arc shape, a plurality of groups of sealing grooves are distributed on the two groups of outer thread plates at equal intervals, and a plurality of groups of sealing rings are matched with a plurality of groups of sealing grooves respectively.

[0008] As a further scheme of the utility model: two groups of inner thread shells are threadedly connected with two groups of outer thread plates respectively, four groups of first fixing rods are distributed on the movable groove ring at equal intervals, and the inner thread shell is movably connected with the first fixing rod.

[0009] As a further scheme of the utility model: the end of two groups of outer thread plates is fixedly embedded with a magnet plate, the inner end of the first pipeline and the second pipeline is fixedly connected with a magnet ring, the specification of the first pipeline and the second pipeline is same, the end of the first pipeline is fixedly connected with four groups of connecting rods at equal intervals, and the connecting rod is connected with the second pipeline.

[0010] As a further scheme of the utility model: the outer side of the first pipeline and the second pipeline is fixedly sleeved with a second fixing ring, the opposite surface of two groups of second fixing rings is fixedly connected with four groups of second fixing rods, the outer side of eight groups of second fixing rods is sleeved with a compression spring, two groups of movable ring discs are arranged between two groups of second fixing rings, and the opposite surface of two groups of movable ring discs is fixedly connected with an outer protective shell.

[0011] As a further scheme of the utility model: four groups of second fixing rods are distributed on the second fixing ring at equal intervals, four groups of sliding holes are formed on two groups of movable ring discs at equal intervals, and the movable ring disc is movably connected with four groups of second fixing rods through four groups of sliding holes.

[0012] As a further scheme of the utility model: the compression spring is located between the second fixing ring and the movable ring disc, and two groups of outer protective shells are located at the periphery of two groups of movable groove rings respectively.

[0013] Compared with the prior art, the utility model has the advantages that the first pipeline and the second pipeline are preliminarily connected through four groups of connecting rods and two groups of magnet rings, two groups of outer thread plates are connected through a plurality of groups of sealing rings, a plurality of groups of sealing grooves, two groups of magnet plates, the two groups of inner thread shells are matched through the thread connection of the inner thread shell and the outer thread plate, the movable groove ring and the first fixing ring, so that the first pipeline and the second pipeline are further tightly connected, the connection structure can avoid hindering the fluid flow, the two cold supply pipelines can be sealed and connected, and the sealing effect is good.

[0014] Compared with the prior art, the beneficial effects of the utility model include: when two cold supply pipes are connected, the cooperation of four groups of second fixing rods and four groups of sliding holes makes two groups of movable ring plates slide along the outer sides of the first pipe and the second pipe respectively, and four groups of compression springs make two groups of outer protective shells close to each other and tightly adhere, which can avoid the connection structure of the two cold supply pipes from rusting due to the influence of external environment after the two cold supply pipes are connected, realizes the safety protection function of the pipe connection structure, and ensures the service life of the connection structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the connection structure of the cold supply pipe in the utility model embodiment;

[0016] Figure 2 It is the sectional structure view of the connection structure of the cold supply pipe in the utility model embodiment;

[0017] Figure 3 It is the connection structure schematic view of the outer thread plate in the utility model embodiment;

[0018] Figure 4 It is the connection structure schematic view of the inner thread shell in the utility model embodiment;

[0019] Figure 5 It is the connection structure schematic view of the outer protective shell in the utility model embodiment.

[0020] In the drawing: 1, first pipe; 2, second pipe; 3, connecting rod; 4, magnet ring; 5, sealing ring; 6, outer thread plate; 7, sealing groove; 8, magnet plate; 9, first fixed ring; 10, movable groove ring; 11, first fixed rod; 12, inner thread shell; 13, second fixed ring; 14, second fixed rod; 15, compression spring; 16, movable ring plate; 17, sliding hole; 18, outer protective shell. DETAILED DESCRIPTION

[0021] The specific implementation of the utility model will be further described below in combination with the drawings. It needs to be explained here that the description of these implementation forms is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each implementation of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Embodiment 1, please refer to Figures 1-5The utility model provides a connecting structure of cold supply pipeline, including first pipeline 1 and second pipeline 2, still including several groups of sealing ring 5, and several groups of sealing ring 5 are fixed respectively equidistantly and are connected in the outside of first pipeline 1 and second pipeline 2, the periphery of first pipeline 1 is provided with two groups of outer thread plate 6, and the inner side of two groups of outer thread plate 6 is provided with several groups of sealing groove 7, and the outside of first pipeline 1 and second pipeline 2 is fixedly connected with first fixed ring 9, and the outside of two groups of first fixed ring 9 is movably connected with movable groove ring 10, and the opposite surface of two groups of movable groove ring 10 is fixedly connected with four groups of first fixed rod 11, and two groups of inner thread shell 12 are arranged between two groups of movable groove ring 10.

[0023] The cross section shape of two groups of outer thread plate 6 is arc-shaped, and several groups of sealing groove 7 are equidistantly distributed on two groups of outer thread plate 6, and several groups of sealing ring 5 are matched with several groups of sealing groove 7.

[0024] In the embodiment, the outer thread plate 6 is connected with the first pipeline 1 and the second pipeline 2 by the cooperation of the several groups of sealing ring 5 and the several groups of sealing groove 7.

[0025] The two groups of inner thread shell 12 are threadedly connected with the two groups of outer thread plate 6, the four groups of first fixed rod 11 are equidistantly distributed on the movable groove ring 10, and the inner thread shell 12 is movably connected with the first fixed rod 11.

[0026] In the embodiment, the two groups of outer thread plate 6 are tightly connected by the thread connection of the inner thread shell 12 and the outer thread plate 6 and the cooperation of the two groups of magnet plate 8.

[0027] The end of the two groups of outer thread plate 6 is fixedly embedded with the magnet plate 8, the inner end of the first pipeline 1 and the second pipeline 2 is fixedly connected with the magnet ring 4, and the size of the first pipeline 1 and the second pipeline 2 is the same, the end of the first pipeline 1 is equidistantly fixedly connected with the four groups of connecting rod 3, and the connecting rod 3 is connected with the second pipeline 2.

[0028] In the embodiment, the first pipeline 1 and the second pipeline 2 are preliminarily connected by the cooperation of the four groups of connecting rod 3 and the two groups of magnet ring 4.

[0029] Specifically, the first pipeline 1 and the second pipeline 2 are preliminarily connected by the cooperation of the four groups of connecting rod 3 and the two groups of magnet ring 4, the two groups of outer thread plate 6 are connected by the cooperation of the several groups of sealing ring 5 and the several groups of sealing groove 7 and the two groups of magnet plate 8, then the two groups of inner thread shell 12 are matched by the thread connection of the inner thread shell 12 and the outer thread plate 6 and the cooperation of the movable groove ring 10 and the first fixed ring 9, so as to further tightly connect the first pipeline 1 and the second pipeline 2, which can avoid the hindering of the connecting structure to the fluid flow, and can seal and connect the two cold supply pipelines, and the sealing effect is good.

[0030] Embodiment 2, please refer toFigures 1-5 The utility model provides a connecting structure of cold supply pipeline, and the outer side of first pipeline 1 and second pipeline 2 is fixedly sleeved with second fixed ring 13, and the opposite surface of two groups of second fixed ring 13 is fixedly connected with four groups of second fixed rod 14, and the outer side of eight groups of second fixed rod 14 is sleeved with compression spring 15, and two groups of movable ring disc 16 are arranged between two groups of second fixed ring 13, and the opposite surface of two groups of movable ring disc 16 is fixedly connected with outer protective shell 18.

[0031] Four groups of second fixed rod 14 are distributed on second fixed ring 13 at equal intervals, and four groups of sliding hole 17 are penetrated and arranged on two groups of movable ring disc 16 at equal intervals, and movable ring disc 16 is movably connected with four groups of second fixed rod 14 through four groups of sliding hole 17.

[0032] In the embodiment, four groups of second fixed rod 14 and four groups of sliding hole 17 are matched to move movable ring disc 16.

[0033] Compression spring 15 is located between second fixed ring 13 and movable ring disc 16, and two groups of outer protective shell 18 are located at the periphery of two groups of movable groove ring 10.

[0034] In the embodiment, compression spring 15 is used to tightly adhere two groups of outer protective shell 18.

[0035] Specifically, when two cold supply pipelines are connected, two groups of movable ring disc 16 are slid along the outer side of first pipeline 1 and second pipeline 2 through the cooperation of four groups of second fixed rod 14 and four groups of sliding hole 17, and two groups of outer protective shell 18 are close to each other and tightly adhere through four groups of compression spring 15, which can avoid the corrosion of the connecting structure of the two cold supply pipelines caused by the external environment after the two cold supply pipelines are connected, realize the safety protection function of the pipeline connecting structure, and ensure the service life of the connecting structure.

[0036] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A connection structure for cold pipes, comprising a first pipe (1) and a second pipe (2), characterized in that: Also include several sets of sealing ring (5), and several sets of sealing ring (5) are respectively fixed equidistantly on the outside of the first pipeline (1) and the second pipeline (2), the periphery of the first pipeline (1) is provided with two sets of outer thread plates (6), and the inner sides of the two sets of outer thread plates (6) are respectively provided with several sets of sealing grooves (7); The outer sides of the two sets of first fixed rings (9) are movably sleeved with two sets of movable groove rings (10), and the opposite surfaces of the two sets of movable groove rings (10) are fixedly connected with four sets of first fixed rods (11), and two sets of inner thread shells (12) are arranged between the two sets of movable groove rings (10).

2. A connection structure for a cold supply pipe according to claim 1, characterized in that: The cross-sectional shapes of the two sets of outer thread plates (6) are arc-shaped, and several sets of sealing grooves (7) are equidistantly distributed on the two sets of outer thread plates (6), and several sets of sealing rings (5) are respectively matched with several sets of sealing grooves (7).

3. A connection structure for a cold supply pipe according to claim 2, characterized in that: The two sets of inner thread shells (12) are respectively threadedly connected with the two sets of outer thread plates (6), the four sets of first fixed rods (11) are equidistantly distributed on the movable groove ring (10), and the inner thread shell (12) is movably connected with the first fixed rod (11).

4. A connection structure for a refrigerant pipe according to claim 1, characterized in that: The ends of the two sets of outer thread plates (6) are fixedly embedded with magnet plates (8), the inner ends of the first pipeline (1) and the second pipeline (2) are fixedly connected with magnet rings (4), the specifications of the first pipeline (1) and the second pipeline (2) are the same, the ends of the first pipeline (1) are equidistantly fixedly connected with four sets of connecting rods (3), and the connecting rod (3) is connected with the second pipeline (2).

5. A connection structure for a cold supply pipe according to claim 1, characterized in that: The outer sides of the first pipeline (1) and the second pipeline (2) are fixedly sleeved with second fixed rings (13), the opposite surfaces of the two sets of second fixed rings (13) are fixedly connected with four sets of second fixed rods (14), the outer sides of the eight sets of second fixed rods (14) are sleeved with compression springs (15), two sets of movable ring plates (16) are arranged between the two sets of second fixed rings (13), and the opposite surfaces of the two sets of movable ring plates (16) are fixedly connected with outer protective shells (18).

6. A connection structure for a refrigerant pipe according to claim 5, characterized in that: The four sets of second fixed rods (14) are equidistantly distributed on the second fixed ring (13), four sets of sliding holes (17) are equidistantly and penetratively formed in the two sets of movable ring plates (16), and the movable ring plate (16) is movably connected with the four sets of second fixed rods (14) through the four sets of sliding holes (17).

7. A connection structure for a refrigerant pipe according to claim 5, characterized in that: The compression spring (15) is located between the second fixed ring (13) and the movable ring plate (16), and the two sets of outer protective shells (18) are respectively located on the periphery of the two sets of movable groove rings (10).

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