CN216692543U

CN216692543U - Pipe connecting device for heating and ventilation equipment

Info

Publication number: CN216692543U
Application number: CN202122805968.XU
Authority: CN
Inventors: 周占豹; 董宇航; 马骁; 姜照辉
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-07
Anticipated expiration: 2031-11-16

Abstract

The utility model provides a pipeline connection device for HVAC equipment, which belongs to the technical field of HVAC, and effectively solves the problems of sealing and easy damage existing in the HVAC pipeline connection. The technical solution includes an upper snap ring with an opening facing downwards disposed above the joint of the two corrugated pipes, a lower snap ring with an upward opening corresponding to the upper snap ring under the two corrugated pipes, and an outer sleeve at the joint of the two corrugated pipes. A sealing gasket is provided, and the inner and outer sides of the gasket are respectively fitted with the outer wall of the bellows, the upper snap ring and the inner wall of the lower snap ring. The inside of the gasket is provided with a number of limiters which are respectively matched with the pipe, the upper snap ring and the lower snap ring. part. The beneficial effects of the utility model are as follows: a pipeline connection device for HVAC equipment is provided which is simple in structure and convenient in use, which can ensure the sealing performance of the pipeline connection without causing damage to the pipeline due to extrusion.

Description

Pipe connecting device for heating and ventilation equipment

Technical Field

The utility model relates to the technical field of heating ventilation, in particular to a pipeline connecting device for heating ventilation equipment.

Background

The heating ventilation is a general term for heating and ventilation, the heating ventilation design in the building design is called the heating ventilation design, and all devices related to heating and ventilation, such as air conditioners using air as a heating medium, ventilation pipelines, control devices, water heating boilers, pipelines, radiators (also called radiators) and devices using electric heating are called the heating ventilation devices. The recently popular heating and ventilation air conditioner is a novel heating and ventilation device, actually is a small-system (household) central air conditioner, has the advantages of solving the problems of heating and cooling and air treatment, can treat air and can create a more comfortable indoor environment. The heating and ventilation equipment installation process can not avoid using corrugated pipe to carry out gaseous transport, because the length of corrugated pipe and the problem of environment, often need use a plurality of pipelines to piece together, consequently, need be used the connecting pipe between pipeline and the pipeline, realize the connection of pipeline.

The pipeline connecting device for the existing heating and ventilation equipment is used for connecting pipelines, and is not good in sealing performance, so that leakage often occurs, heating waste is greatly caused, meanwhile, when the pipeline connecting part is fastened, due to the fact that corresponding protective measures are not available, once the screwing-up process can crush the deformation of pipeline extrusion or even crush the pipeline, and the tightness is not enough, the gap of the pipeline connector is large, so that the sealing performance cannot be well guaranteed, and the installation difficulty of the pipeline is increased.

Therefore, how to solve the above technical problems becomes the subject of the present invention.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides the pipeline connecting device for the heating and ventilation equipment, which has a simple structure and is convenient to use, can ensure the sealing performance of the pipeline connecting part, and cannot damage the pipeline due to extrusion.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a pipeline connecting device for heating and ventilation equipment, which comprises an upper clamping ring, a lower clamping ring and sealing gaskets, wherein the upper clamping ring is arranged above the joint of two corrugated pipes, the opening of the upper clamping ring is downward;

the sealing gasket is internally provided with a plurality of limiting parts which are respectively matched with the corrugated pipe, the upper clamping ring and the lower clamping ring.

The diameters of the upper clamping ring and the lower clamping ring are matched with the diameter of the corrugated pipe;

go up the snap ring with snap ring both sides all are provided with the connecting plate that corresponds each other down, wherein lie in same one side two relatively the connecting plate passes through the spliced pole and articulates, and the opposite side two is relative the connecting plate passes through bolt and nut fixed connection.

A plurality of hemispherical lower convex blocks matched with the grooves are uniformly arranged on the inner side of the sealing gasket corresponding to the corrugated pipe grooves;

a plurality of upper convex blocks are arranged at the bottoms of the upper clamping ring and the lower clamping ring corresponding to each lower convex block;

the upper side and the lower side of each limiting part are respectively matched with the corresponding pair of lower convex blocks and the corresponding upper convex blocks.

The limiting component comprises a fixed sleeve fixedly connected inside the inner cavity of the sealing gasket, a sliding column is in sliding fit with the inner side of the fixed sleeve, and the top of the sliding column is fixedly connected with the top of the inner cavity of the sealing gasket;

the telescopic rod is fixedly connected between the bottom of the sliding column and the bottom of the fixed sleeve, a spring is sleeved on the outer side of the telescopic rod, and the upper end and the lower end of the spring are fixedly connected with the bottom of the sliding column and the bottom of the fixed sleeve respectively.

The sealing gasket is made of elastic rubber.

When the utility model is actually used: at first with two bellows coaxial butt tops that need connect together, locate the link outside sealed pad cover, the lower protruding piece of sealed pad bottom side all blocks and puts in the recess of bellows, clamp the link from upper and lower both sides with last snap ring and lower snap ring again, go up the position correspondence of protruding piece and lower protruding piece and place, through snap ring and lower snap ring in the bolt and nut fastening, at this moment, lower protruding piece atress and the inseparable laminating of recess guarantee the leakproofness, make the bellows can not directly accept hard pressure and warp the setting and destroy through the buffering of spring to bolt and nut fastening force simultaneously.

The utility model has the beneficial effects that:

1. according to the utility model, the lower bump arranged at the bottom of the sealing gasket is in compression fit with the groove of the corrugated pipe, so that the periphery of the connecting end of the pipeline is sealed, the leakage at the joint of the pipeline is effectively prevented, and resources are saved.

2. According to the utility model, when the bolt is tightened, the spring arranged in the limiter can play a role of buffering, and the acting force acting on the pipeline when the bolt is screwed can be effectively reduced, so that the pipeline cannot be deformed or even crushed due to too much stress while the normal tightening connection of the pipeline is not influenced, and the service life of the pipeline is effectively protected.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a side view of the present invention;

fig. 4 is an enlarged schematic view of the area a of fig. 2.

Wherein the reference numerals are: 1. a bellows; 101. a groove; 2. a snap ring is arranged; 3. a lower snap ring; 4. a gasket; 401. a lower bump; 5. a limiting component; 501. fixing a sleeve; 502. a sliding post; 503. a telescopic rod; 504. a spring; 6. a connecting plate; 7. connecting columns; 8. A bolt; 9. A nut; 10. and (7) mounting the bump.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1 to 4, the utility model relates to a pipe connecting device for heating and ventilation equipment, which comprises an upper snap ring 2 arranged above the joint of two corrugated pipes 1 and provided with an opening facing downwards, a lower snap ring 3 arranged below the two corrugated pipes 1 and corresponding to the upper snap ring 2 and provided with an opening facing upwards, a sealing gasket 4 sleeved outside the joint of the two corrugated pipes 1, wherein the inner side and the outer side of the sealing gasket 4 are respectively attached to the outer wall of the corrugated pipe 1, the inner wall of the upper snap ring 2 and the inner wall of the lower snap ring 3, and a plurality of limiting parts 5 respectively matched with the corrugated pipe 1, the upper snap ring 2 and the lower snap ring 3 are arranged inside the sealing gasket 4. The gasket 4 is made of elastic rubber. Go up snap ring 2 and snap ring 3's diameter all with bellows 1 diameter cooperation down, go up

snap ring

2 and 3 both sides of lower snap ring and all be provided with the connecting plate 6 that corresponds each other, wherein lie in same two relative connecting plates 6 of one side and pass through spliced pole 7 articulated, two relative connecting plates 6 of opposite side pass through bolt 8 and nut 9 fixed connection. The inner side of the sealing gasket 4 is uniformly provided with a plurality of hemispherical lower convex blocks 401 matched with the groove 101 corresponding to the groove 101 of the corrugated pipe 1, a plurality of upper convex blocks 10 corresponding to each lower convex block 401 are arranged at the bottoms of the upper snap ring 2 and the lower snap ring 3, and the upper side and the lower side of each limiting component 5 are respectively matched with the corresponding pair of lower convex blocks 401 and the corresponding upper convex blocks 10.

Spacing part 5 includes fixed cover 501 of fixed connection inside sealed 4 inner chambers, and fixed cover 501 inboard sliding fit has slip post 502, slip post 502 top and sealed 4 inner chamber tops fixed connection of filling up, fixedly connected with telescopic link 503 between slip post 502 bottom and fixed cover 501 bottom, and the telescopic link 503 outside cover is equipped with spring 504, spring 504 upper and lower both ends respectively with slip post 502 bottom and fixed cover 501 bottom fixed connection.

In actual use: at first with two bellows 1 coaxial opposite vertex that need connect together, locate the link outside sealed 4 covers, sealed 4 bottom sides down the lower convex 401 piece of sealed 4 bottom sides all block and put 101 in the recess of bellows 1, block the link from upper and lower both sides with last snap ring 2 and lower snap ring 3 again, go up convex block 10 and the corresponding placement in position of lower convex block 401, fasten upper snap ring 2 and lower snap ring 3 through bolt 8 and nut 9, at this moment, lower convex block 401 atress and recess 101 closely laminate and guarantee the leakproofness, make bellows 1 can not directly accept hard pressure and warp the setting and destroy through the buffering of spring 504 to bolt 8 and nut 9 fastening force simultaneously.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A pipeline connection device for HVAC equipment, characterized in that it comprises an upper snap ring (2) with an upper opening facing downwards arranged at the joint of two corrugated pipes (1), corresponding to the upper snap ring (2) A lower snap ring (3) with an upward opening is arranged below the two bellows (1), and a sealing gasket (4) is sleeved on the outer side of the connection between the two bellows (1), and the sealing gasket ( 4) The inner and outer sides are respectively attached to the outer wall of the bellows (1) and the inner walls of the upper snap ring (2) and the lower snap ring (3);

A plurality of limiting components (5) are arranged inside the gasket (4), which are respectively matched with the bellows (1), the upper snap ring (2) and the lower snap ring (3).

2 . The pipe connection device for HVAC equipment according to claim 1 , wherein the diameters of the upper snap ring ( 2 ) and the lower snap ring ( 3 ) are the same as the diameter of the corrugated pipe ( 1 ). 3 . Cooperate;

Connecting plates (6) corresponding to each other are provided on both sides of the upper snap ring (2) and the lower snap ring (3), wherein the two connecting plates (6) opposite to each other on the same side pass through the connecting column ( 7) Hinged, the two opposite connecting plates (6) on the other side are fixedly connected by bolts (8) and nuts (9).

3 . The pipeline connection device for HVAC equipment according to claim 2 , characterized in that, corresponding to the groove ( 101 ) of the bellows ( 1 ), the inner side of the gasket ( 4 ) is evenly provided with the groove ( 101 ). 4 . a plurality of hemispherical lower bumps (401) matched with the groove (101);

Corresponding to each of the lower bumps (401), a plurality of upper bumps (10) are provided on the bottoms of the upper snap ring (2) and the lower snap ring (3);

The upper and lower sides of each limiting member (5) are respectively matched with a corresponding pair of the lower projections (401) and the upper projections (10).

4. The pipe connection device for HVAC equipment according to claim 3, wherein the limiting member (5) comprises a fixing sleeve (501) fixedly connected to the inner cavity of the gasket (4), A sliding column (502) is slidably fitted on the inner side of the fixing sleeve (501), and the top of the sliding column (502) is fixedly connected to the top of the inner cavity of the sealing gasket (4);

A telescopic rod (503) is fixedly connected between the bottom of the sliding column (502) and the bottom of the fixing sleeve (501), and a spring (504) is sleeved outside the telescopic rod (503). The spring (504) The upper and lower ends are respectively fixedly connected to the bottom of the sliding column (502) and the bottom of the fixing sleeve (501).

5 . The pipe connection device for HVAC equipment according to claim 1 , wherein the gasket ( 4 ) is made of elastic rubber. 6 .