CN217504048U

CN217504048U - Connecting pipe for low-abrasion refrigeration equipment

Info

Publication number: CN217504048U
Application number: CN202220903633.3U
Authority: CN
Inventors: 范宏伟
Original assignee: Changzhou Wankang Electron Co ltd
Current assignee: Changzhou Wankang Electron Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-27
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to a pipeline technical field for the refrigeration plant especially relates to a connecting pipe for low wear and tear refrigeration plant, establish the outside telescopic tube in connecting pipe main part including connecting pipe main part and cover, telescopic tube's both ends all are provided with the radius and are greater than telescopic tube radial limit baffle, be provided with the supporting component who is used for being connected with the through-wall hole on telescopic tube's the lateral wall, the equal activity of opening part at telescopic tube both ends sets up and avoids external foreign matter to get into the inside end cap of telescopic tube, and the center department of end cap runs through the central through-hole that is provided with and mutually matches with the connecting pipe main part, can reduce the wearing and tearing of connecting pipe and through-wall hole during the assembly, avoids the leakage of refrigerant.

Description

Connecting pipe for low-abrasion refrigeration equipment

Technical Field

The utility model relates to a pipeline technical field for the refrigeration plant specifically is low connecting pipe for wearing and tearing refrigeration plant.

Background

The refrigeration equipment generally divides outdoor unit and indoor set, need realize the circulation intercommunication of refrigerant through the pipeline between outdoor unit and the indoor set, and the connecting pipe needs to wear through the wall, and in the actual use, the connecting pipe causes wearing and tearing with the hole friction easily, leads to the leakage of refrigerant then.

Generally, a protection pipeline is arranged in a through-wall hole in the prior art, and a connecting pipe enters a room from the pipeline, but the conventional protection pipeline is generally fixed in size, cannot adapt to the through-wall holes with different radiuses and wall thicknesses, and is poor in installation stability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low wearing and tearing connecting pipe for refrigeration plant to the current protection pipeline that proposes in solving above-mentioned background art is general size fixed, can't adapt to the wall hole of wearing of different radiuses and wall thickness, the relatively poor problem of stability of installation.

In order to achieve the above object, the utility model provides a following technical scheme: connecting pipe for low wearing and tearing refrigeration plant establishes at the outside telescopic tube of connecting pipe main part including connecting pipe main part and cover, telescopic tube's both ends all are provided with the radius and are greater than telescopic tube radial limit baffle, be provided with on telescopic tube's the lateral wall and be used for the supporting component who is connected with the through-wall hole, the equal activity of opening part at telescopic tube both ends sets up and avoids external foreign matter to get into the inside end cap of telescopic tube, and the center department of end cap runs through the central through-hole that is provided with and connects pipe main part mutual matching.

Preferably, the telescopic tube comprises an outer sleeve and an inner sleeve screwed in the outer sleeve.

Preferably, the supporting component comprises a sliding plate, a spring, a connecting portion and a supporting portion, the sliding plate is arranged on the outer side wall of the telescopic pipe at equal intervals through the spring, the sliding plate can slide back and forth along the radial direction of the telescopic pipe, the connecting portion is fixed at one end, far away from the spring, of the sliding plate along the radial direction of the telescopic pipe, and the supporting portion is fixed at one end, far away from the sliding plate, of the connecting portion along the axial direction of the telescopic pipe.

Preferably, run through on the limit baffle and be provided with the slide opening of stepping down that holds the slide and pass, and the slide can be inside along telescopic tube's the radial slip that makes a round trip of stepping down the slide opening.

Preferably, one end of the sliding plate penetrates the yielding sliding hole and extends to the outer side of the limiting baffle, and a shielding plate used for shielding the yielding sliding hole is fixed on the sliding plate on the outer side of the limiting baffle.

Preferably, one end of the support part, which is far away from the connecting part, is provided with a guide part which inclines towards one end close to the telescopic tube.

Preferably, the plug comprises a first clamping portion and a second clamping portion which are arranged in an axisymmetric manner by taking the central line of the connecting pipe main body as an axis, the two sides of one end, close to the first clamping portion, of the second clamping portion are respectively provided with a limiting portion, and a limiting groove matched with the limiting portions is formed in the first clamping portion.

Compared with the prior art, the beneficial effects of the utility model are that: the low-abrasion connecting pipe for the refrigeration equipment

(1) The telescopic sleeve is arranged into the outer sleeve and the inner sleeve, so that the length of the telescopic sleeve can be conveniently adjusted according to the thickness of a wall, the outer side wall of the telescopic sleeve is provided with the sliding plate, the spring, the connecting part and the supporting part, and the supporting part is tightly attached to the inner side wall of the through-wall hole during installation to play a role in supporting and positioning, so that the telescopic sleeve is suitable for the through-wall holes with different sizes, and liquid leakage caused by abrasion of the connecting pipe main body and the through-wall hole is avoided;

(2) the opening parts at the two ends of the telescopic pipe are provided with the plugs, foreign matters are prevented from entering the telescopic pipe, the plugs are arranged to be detachable structures of the first clamping part and the second clamping part, replacement is convenient, and the situation that the pipeline cannot penetrate into the plugs due to the fact that the joint size of the connecting pipe main body is large is avoided.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic side view of the limit baffle of the present invention;

fig. 3 is a schematic sectional structure diagram of embodiment 2 of the present invention.

In the figure: 1. a telescopic sleeve; 101. an outer sleeve; 102. an inner sleeve; 2. a limit baffle; 201. a yielding sliding hole; 3. a plug; 301. a first clamping portion; 3011. a limiting groove; 302. a second clamping portion; 3021. a limiting part; 4. a support assembly; 401. a slide plate; 4011. a shielding plate; 402. a spring; 403. a connecting portion; 404. A support portion; 4041. a guide portion; 5. the pipe body is connected.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 "first", "second", etc. are used for descriptive purposes only and are not intended to be particularly descriptive in order or sequence, nor for limiting the invention, but are intended merely to distinguish components or operations described in the same technical language and are not to be construed as indicating or implying any relative importance or implying any indication of the number of technical features indicated, whereby the features defined as "first", "second", etc. may indicate or implicitly include at least one such feature. To the extent that the term "includes" and any variations thereof are used in either the detailed description or the claims, as well as the appended drawings, this is intended to cover non-exclusive inclusions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "disposed" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; 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 as a specific case by those skilled in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-2, the present invention provides an embodiment: the connecting pipe for the low-wear refrigeration equipment comprises a connecting pipe main body 5 and a telescopic pipe 1 sleeved outside the connecting pipe main body 5, wherein the inner diameter of the telescopic pipe 1 is larger than that of the connecting pipe main body 5, and the telescopic pipe 1 comprises an outer sleeve 101 and an inner sleeve 102 inserted in the outer sleeve 101 in a threaded manner;

the two ends of the telescopic sleeve 1 are respectively provided with a limiting baffle 2 with the radius larger than that of the telescopic sleeve 1, the two limiting baffles 2 are respectively fixed at the ends, far away from each other, of the inner sleeve 102 in the outer sleeve 101, and the limiting baffles 2 are generally arranged in a larger size, so that the two limiting baffles can be conveniently abutted against the two sides of a wall to be clamped and fixed, and the telescopic sleeve is suitable for different wall thicknesses;

the outer side wall of the telescopic sleeve 1 is provided with two groups of supporting components 4 used for being connected with the wall through hole, the number of the supporting components 4 is two, the two groups of supporting components are respectively arranged at one side, close to the limiting baffle 2, of the outer sleeve 101 and one side, close to the limiting baffle 2, of the inner sleeve 102, the supporting components 4 comprise sliding plates 401, springs 402, connecting portions 403 and supporting portions 404, the sliding plates 401 are arranged on the outer side wall of the telescopic sleeve 1 at equal intervals through the springs 402, the sliding plates 401 can slide back and forth along the radial direction of the telescopic sleeve 1, the connecting portions 403 are fixed at one ends, far away from the springs 402, of the sliding plates 401 along the radial direction of the telescopic sleeve 1, the supporting portions 404 are fixed at one ends, far away from the sliding plates 401, of the supporting portions 403 can be of arc-shaped plate structures and are used for being closely attached to the inner side wall through hole, the sliding plates 401, the springs 402, the connecting portions 403 and the supporting portions 404 correspond to one in number and are at least two, three are provided in this example;

the limiting baffle 2 is provided with a yielding sliding hole 201 for allowing the sliding plate 401 to penetrate through in a penetrating manner, the sliding plate 401 can slide back and forth in the yielding sliding hole 201 along the radial direction of the telescopic sleeve 1, the position of the supporting part 404 can be adjusted by pulling the sliding plate 401, and the supporting part 404 is folded towards the middle during plugging so as to be conveniently inserted into the wall through hole;

one end of the sliding plate 401 penetrates through the abdicating sliding hole 201 and extends to the outer side of the limiting baffle 2, a shielding plate 4011 used for shielding the abdicating sliding hole 201 is fixed on the sliding plate 401 at the outer side of the limiting baffle 2, and the shielding plate 4011 can shield the abdicating sliding hole 201 when sliding back and forth along the radial direction of the telescopic sleeve 1, so that external foreign matters are prevented from entering the inner part of the telescopic sleeve 1 through the abdicating sliding hole 201;

the opening parts at two ends of the telescopic sleeve 1 are movably provided with plugs 3 for preventing external foreign matters from entering the telescopic sleeve 1, the center of each plug 3 is penetrated with a central through hole matched with the connecting pipe main body 5, each plug 3 comprises a first clamping part 301 and a second clamping part 302 which are arranged in an axisymmetric manner by taking the central line of the connecting pipe main body 5 as an axis, two sides of one end, close to the first clamping part 301, of each second clamping part 302 are provided with limiting parts 3021, particularly T-shaped structures, the first clamping part 301 is provided with limiting grooves 3011 matched with the limiting parts 3021, when in assembly, the limiting parts 3021 are inserted into the limiting grooves 3011, so that the plugs 3 can be assembled into a complete ring shape, the central through hole of each plug 3 is tightly attached to the outer side wall of the connecting pipe main body 5, each plug 3 can be made of flexible rubber materials, or the base body of each plug 3 is made of solid materials, the elastic rubber layer is attached to the surface of the connecting pipe body, the connecting pipe body is spliced and then spliced, the sealing performance is improved, meanwhile, the plug 3 can play a role in supporting and positioning, and abrasion between the connecting pipe body 5 and the telescopic pipe 1 is avoided.

The working principle is as follows: during assembly, baffle 4011 is shifted to the centre earlier, make slide 401 compress spring 402, then insert the inside in through-wall hole with outer sleeve 101, shielding 4011 is set aside again, make supporting part 404 reset under the elastic action of spring 402, supporting part 404 supports the inside wall in hole, insert the inside of outer sleeve 101 with inner sleeve 102 after that, spacing baffle 2 and the wall looks butt of until inner sleeve 102 one end, after having fixed telescope tube 1, insert connecting pipe main part 5 through telescope tube 1 indoor, splice end cap 3 at the both ends of connecting pipe main part 5 after that, spacing portion 3021 inserts the inside of spacing groove 3011, make first clamping part 301 and second clamping part 302 splice into a complete ring, push the complete end cap 3 of both sides concatenation into the opening part at spacing baffle 2 both ends again, realize sealed location.

Example 2

The difference between this embodiment and embodiment 1 lies in that the one end of the support portion 404 that is far away from the connecting portion 403 is provided with the guide portion 4041 that inclines to the one end that is close to the telescopic tube 1, and the slide hole 201 of stepping down is not provided on the limit baffle 2, and the shielding plate 4011 is not provided to the one end of slide 401, and during the assembly, can directly insert inside the wall through hole with outer sleeve 101 or inner sleeve 102, and guide portion 4041 can play the effect of direction, convenient and fast.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Connecting pipe for low wear and tear refrigeration plant establishes at connecting pipe main part (5) outside telescopic tube (1) including connecting pipe main part (5) and cover, its characterized in that: the utility model discloses a telescopic pipe, including telescopic pipe (1), be provided with the radial stop plate (2) that are greater than telescopic pipe (1) in the both ends of telescopic pipe (1), be provided with on the lateral wall of telescopic pipe (1) and be used for with wear supporting component (4) that the wall hole is connected, the equal activity of opening part at telescopic pipe (1) both ends sets up and avoids external foreign matter to get into inside end cap (3) of telescopic pipe (1), and the center department of end cap (3) runs through the central through-hole that is provided with and connects pipe main part (5) and matees each other.

2. The connecting pipe for a low-wear refrigerating apparatus as set forth in claim 1, wherein: the telescopic sleeve (1) comprises an outer sleeve (101) and an inner sleeve (102) which is inserted in the outer sleeve (101) in a threaded mode.

3. The connecting pipe for a low-wear refrigerating apparatus as set forth in claim 1, wherein: support assembly (4) include slide (401), spring (402), connecting portion (403) and supporting part (404), and is a plurality of slide (401) pass through equidistant setting on the lateral wall of telescopic tube (1) of spring (402), slide (401) can slide along the radial round trip of telescopic tube (1), connecting portion (403) are fixed in the one end that spring (402) was kept away from in slide (401) along the radial of telescopic tube (1), one end that slide (401) were kept away from in connecting portion (403) is fixed in axial of telescopic tube (1) to supporting part (404).

4. The connecting pipe for a low-wear refrigerating apparatus as set forth in claim 3, wherein: run through on limit baffle (2) and be provided with slide opening (201) of stepping down that holds slide (401) and pass, and slide (401) can be inside along the radial back and forth slip of telescope tube (1) in slide opening (201) of stepping down.

5. The connecting pipe for a low-wear refrigerating apparatus as set forth in claim 4, wherein: one end of the sliding plate (401) penetrates the yielding sliding hole (201) to extend to the outer side of the limiting baffle (2), and a shielding plate (4011) used for shielding the yielding sliding hole (201) is fixed on the sliding plate (401) on the outer side of the limiting baffle (2).

6. The connecting pipe for a low-wear refrigerating apparatus as set forth in claim 3, wherein: one end of the supporting part (404) far away from the connecting part (403) is provided with a guide part (4041) inclining to one end close to the telescopic sleeve (1).

7. The connecting pipe for a low-wear refrigerating apparatus as set forth in claim 1, wherein: the plug (3) comprises a first clamping part (301) and a second clamping part (302) which are arranged in an axisymmetric mode by taking the central line of the connecting pipe body (5) as an axis, the two sides, close to one end of the first clamping part (301), of the second clamping part (302) are respectively provided with a limiting part (3021), and a limiting groove (3011) matched with the limiting part (3021) is formed in the first clamping part (301).