CN213542902U

CN213542902U - Flow dividing and collecting device and air conditioning system

Info

Publication number: CN213542902U
Application number: CN202021799874.5U
Authority: CN
Inventors: 唐桂升; 苏守亮; 周闪光
Original assignee: ZHUHAI HUAYU METAL CO LTD
Current assignee: ZHUHAI HUAYU METAL CO LTD
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-25
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a refrigeration technology field especially relates to reposition of redundant personnel collector and air conditioning system. A flow dividing and collecting device comprises a main body, wherein the main body comprises a mounting part, and a plurality of mounting cavities are formed in the mounting part; the main part still includes guide portion and strengthening rib, guide portion with the installation department is connected, guide portion seted up with the guide chamber of installation cavity intercommunication, the one end and the installation department of strengthening rib are kept away from the terminal surface of the one end in guide chamber is connected, and the other end extends to in the guide chamber. The utility model has the advantages that: the strengthening rib stretches into the guide intracavity plays the reinforcing effect, can improve the compressive capacity of main part.

Description

Flow dividing and collecting device and air conditioning system

Technical Field

The utility model relates to a refrigeration technology field especially relates to reposition of redundant personnel collector and air conditioning system.

Background

In a pipeline of an air conditioning system, a multi-way pipe such as a tee joint, a cross joint and the like is required to carry out flow division or flow collection, for example, at an inlet of a heat exchanger, a flow divider is required to be installed for flow division, and at an outlet of the heat exchanger, a flow collector is required to be installed for flow collection. The flow divider and collector comprises a main body, and the main body is used for connecting the branch pipe and the main pipe.

In the existing flow dividing and collecting device, the length of the reinforcing rib is flush with the welding position of the branch pipe, and the periphery of the reinforcing rib is easy to crack.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a reposition of redundant personnel current-collector, technical scheme is as follows:

a flow dividing and collecting device comprises a main body, wherein the main body comprises a mounting part, and a plurality of mounting cavities are formed in the mounting part; the main part still includes guide portion and strengthening rib, guide portion with the installation department is connected, guide portion seted up with the guide chamber of installation cavity intercommunication, the one end and the installation department of strengthening rib are kept away from the terminal surface of the one end in guide chamber is connected, and the other end extends to in the guide chamber.

It can be understood that the reinforcing ribs extend into the pilot cavities, so that a reinforcing effect is achieved, and the pressure resistance of the main body can be improved.

The utility model discloses an in one of them embodiment, the reposition of redundant personnel collector is still including being responsible for and many spinal branchs pipe, the branch pipe reaches the person in charge passes through the main part is connected, and is a plurality of the one end of branch pipe is located respectively in the installation cavity.

The utility model discloses an in one of them embodiment, the installation department includes interconnect's first portion and transition portion, first chamber has been seted up in the first portion, set up in the transition portion with the transition chamber of first chamber intercommunication, be equipped with the location step on the inner wall of transition chamber, the one end at least part of branch pipe support by in on the location step.

So set up, when the welding the branch pipe, to the branch pipe is fixed a position, convenient operation.

In one embodiment of the present invention, along the axial direction of the first portion, the distance between one end of the reinforcing rib away from the first portion and the positioning step is greater than or equal to 3 mm.

So set up, can strengthen the intensity of installation department.

In one embodiment of the present invention, an inner diameter of the pilot portion is smaller than an inner diameter of the first portion.

So set up, with copper pipe flaring to with the equal size of guide's portion earlier, the flaring forms the installation department again, and the volume of main part inner chamber reduces, and the area of the inside wall of main part reduces, can strengthen the compressive strength of main part.

In one embodiment of the present invention, a ratio of the inner diameter of the pilot portion to the inner diameter of the first portion ranges from 1/2 to 4/5.

In one embodiment of the present invention, the wall thickness of the pilot portion is greater than the wall thickness of the first portion.

So set up, can strengthen the intensity of the main part.

In one embodiment of the present invention, the outer diameter of the transition portion gradually increases in a direction close to the first portion.

In one embodiment of the present invention, the main body further includes a second portion, one end of the second portion is connected to the main tube, and the other end is connected to the pilot portion.

In one embodiment of the present invention, the outer diameter of the second portion is gradually reduced toward the direction close to the main pipe.

So set up, can make be responsible for with the main part is gently transited, shortens gradually be responsible for with the pipe diameter difference between the main part.

In one embodiment of the present invention, the mounting portion and the pilot portion are formed by a flare.

The process is simple.

The utility model discloses still provide following technical scheme:

an air conditioning system comprises the flow dividing and current collecting device.

Compared with the prior art, the utility model discloses a set up the strengthening rib, stretch into the strengthening rib extremely the guide's intracavity can be strengthened the intensity of main part prevents the fracture.

Drawings

FIG. 1 is a schematic structural diagram of a conventional three-way flow divider;

FIG. 2 is a schematic diagram of a prior art four-way current collector;

fig. 3 is a schematic structural view of the three-way flow dividing and collecting device provided by the present invention;

fig. 4 is a schematic structural view of a four-way flow-dividing and current-collecting device provided by the present invention;

fig. 5 is a schematic structural view of a main body and a main pipe of the three-way flow dividing and collecting device provided by the present invention;

fig. 6 is a top view of the main body and the main pipe of the three-way flow-dividing and current-collecting device provided by the present invention;

fig. 7 is a schematic structural view of the main body of the four-way flow dividing and collecting device provided by the present invention.

The symbols in the drawings represent the following meanings:

100. a shunt current collector; 10. a main body; 101. an inner cavity; 11. an installation part; 111. a mounting cavity; 112. a first part; 113. a first chamber; 114. a transition section; 115. a transition chamber; 116. positioning a step; 12. a pilot section; 121. a pilot cavity; 13. reinforcing ribs; 14. a second section; 141. a second chamber; 15. a connecting portion; 20. a main pipe; 30. and (4) branch pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 2-7, the present invention provides a split current collector 100 for collecting or splitting current, such as a three-way current collector, a three-way current divider, a four-way current collector or a four-way current divider. In the present embodiment, the flow dividing and collecting device 100 is installed in an air conditioning system, and is used for dividing or collecting refrigerant, and may be a tee, a cross or other multi-way pipe, and in other embodiments, the flow dividing and collecting device 100 may also be applied in a waterway system, and is used for collecting or dividing water.

Specifically, the flow dividing and collecting pipe comprises a main body 10, a main pipe 20 and a plurality of branch pipes 30, wherein one end of the main body 10 is connected with the main pipe 20, the other end of the main body is connected with the branch pipes 30, and the pipe diameter of the main pipe 20 is larger than that of the branch pipes 30.

Inner chamber 101 has been seted up to main part 10, and main part 10 includes installation department 11, and a plurality of installation cavity 111 have been seted up to installation department 11, and the one end of a plurality of branch pipes 30 is inserted respectively and is located installation cavity 111. When the flow dividing and current collecting device 100 is a flow divider, the medium flows into the inner cavity 101 from the main pipe 20 and then flows into the branch pipes 30, and when the flow dividing and current collecting device 100 is a current collecting device, the medium flows into the inner cavity 101 from the branch pipes 30 and then flows into the main pipe 20; when the flow distribution current collector 100 is a three-way flow distribution current collector 100, the number of the branch pipes 30 is two, and when the flow distribution current collector 100 is a four-way flow distribution current collector 100, the number of the branch pipes 30 is three.

Further, the mounting portion 11 includes a first portion 112 and a transition portion 114, the first portion 112 and the transition portion 114 are connected to each other, a first cavity 113 is formed in the first portion 112, a transition cavity 115 is formed in the transition portion 114, and the first cavity 113 is communicated with the transition cavity 115, that is, the mounting cavity 111 includes the first cavity 113 and the transition cavity 115 which are communicated to each other.

Along the axial direction of the main body 10, the outer diameter of the transition portion 114 gradually decreases in a direction away from the first portion 112, so that other components are gently transited to the first portion 112 to reduce the pipe diameter difference between the mounting portion 11 and the other components.

Preferably, the side wall of the transition cavity 115 is provided with a positioning step 116, and one end of the branch pipe 30 at least partially abuts against the positioning step 116, so as to position the branch pipe 30, and thus, the pipe wall of the main body 10 is not affected. In the present embodiment, the side wall of the transition cavity 115 is inclined relative to the axis of the main body 10, the branch pipe 30 can directly abut against the side wall of the transition cavity 115, the side wall of the transition cavity 115 directly serves as the positioning step 116, and in other embodiments, a groove can be further formed in the side wall of the transition cavity 115 to position the branch pipe 30.

Referring to fig. 1 and 2, a conventional technical solution for positioning a branch pipe in a flow dividing and collecting main body 100' is to provide a positioning groove 102' on a side surface of a main body 10', and when the positioning groove 102' is machined, a pipe wall of the main body 10' is pierced, so that leakage occurs.

Referring to fig. 5 and 7, the main body 10 further includes a pilot portion 12 and a reinforcing rib 13, the pilot portion 12 is connected to the transition portion 114, the pilot portion 12 is provided with a pilot cavity 121 communicated with the mounting cavity 111, the reinforcing rib 13 is disposed between adjacent branch pipes 30, that is, the reinforcing rib 13 is disposed between each branch pipe 30, each branch pipe 30 corresponds to one mounting cavity 111, each mounting cavity 111 is isolated by the reinforcing rib 13, one end of the reinforcing rib 13 is connected to an end face of one end of the mounting portion 11 far away from the pilot portion 12, and the other end extends into the pilot cavity 121.

It can be understood that, in this arrangement, the pressure resistance of the mounting portion 11 can be increased, and the possibility of breakage of the pipe wall of the mounting portion 11 can be reduced, and it is found from the pressure resistance test that, if the bead 13 is short, the periphery of the bead 13 is likely to be broken, and the bead 13 is extended into the pilot chamber 121, and the pressure resistance of the mounting portion 11 can be increased.

The wall thickness of the pilot portion 12 is greater than the wall thickness of the first portion, and thus the strength of the main body 10 can be enhanced.

Further, the internal diameter of guide portion 12 is less than the internal diameter of first portion 112, promptly, the diameter in guide chamber 121 is less than the diameter in first chamber 113, with the one end of copper pipe flaring earlier to with the same size of guide portion 12, the flaring forms installation department 11 again, compare in current reposition of redundant personnel collector 100 'direct flaring formation installation department 11', again dash and flatten, the utility model discloses an inner chamber 101 of main part 10 volume reduces, that is to say, current reposition of redundant personnel pressure manifold 100', does not set up guide portion 12, and the volume of its installation department 11' is great. The utility model discloses a main part 10 bears the area of pressure and reduces, under the certain circumstances of main part 10 bearing capacity, the pressure grow that the area of 10 every square meters of main part can bear, promptly, pressure grow.

Preferably, the ratio of the inner diameter of the pilot part 12 to the inner diameter of the first part 112 ranges from 1/2 to 4/5, that is, the ratio of the diameter of the pilot chamber 121 to the diameter of the first chamber 113 ranges from 1/2 to 4/5, and if the pilot chamber 121 is too large, the wall thickness of the pilot part 12 is reduced, and at the same time, the volume of the inner chamber 101 of the body 10 is increased, the area for receiving pressure is increased, and the pressure-receiving capacity is reduced, and if the pilot chamber 121 is too small, the flow resistance of the refrigerant is increased. The ratio of the inner diameter of pilot section 12 to the inner diameter of first section 112 may be 1/2, 3/5, 4/5, or other values.

The distance between one end of the reinforcing rib 13 away from the first portion 112 and the positioning step 116 along the axial direction of the first portion 112 is greater than or equal to 3mm, which can enhance the compressive strength of the mounting portion 11 and save materials. It is understood that if the rib 13 is too short, the compressive strength of the mounting portion 11 is affected. In this embodiment, the distance between the positioning steps 116 and the end of the reinforcing rib 13 away from the first portion 112 is 5mm, and in other embodiments, the distance between the positioning steps 116 and the end of the reinforcing rib 13 away from the first portion 112 may also be 3mm, 4mm, or other values.

The main body 10 further includes a second portion 14, one end of the second portion 14 is connected to the main tube 20, the other end is connected to the pilot portion 12, the second portion 14 defines a second cavity 141 communicating with the main tube 20 and the pilot cavity 121, and the second portion 14 is used for connecting the main tube 20 and the pilot portion 12.

The outer diameter of the second portion 14 gradually decreases away from the first portion 112 along the axial direction of the second portion 14, so that the main pipe 20 can smoothly transit to the pilot portion 12, the pipe diameter difference between the main body 10 and the main pipe 20 can be reduced, the main pipe 20 and the main body 10 can be smoothly welded, and if the diameter of the inner cavity 101 at the joint of the main body 10 and the main pipe 20 is too different from the pipe diameter of the main pipe 20, cold joint is likely to occur.

Referring to fig. 7, in the refrigeration system, when the medium in the pipe is in a liquid state, the pipe diameter of the main pipe 20 is smaller, and the flow dividing and collecting device 100 further includes a connecting portion 15, wherein the inner diameter of the connecting portion 15 is larger than the inner diameter of the main pipe 20, so as to further transition the pipe diameter difference between the main body 10 and the main pipe 20. For example, when the flow divider collector 100 is installed at the outlet of the evaporator, the flow divider collector 100 functions as a collector, and the internal medium of the flow divider collector 100 is a liquid.

Known by the experiment, the utility model provides a reposition of redundant personnel collector 100 can promote 3MPa ~ 5 MPa's compressive strength, to being responsible for 20 pipe diameter more than or equal to 19 mm's copper reposition of redundant personnel collector, the compressive strength of its promotion is especially obvious.

The utility model also provides an air conditioning system, including foretell reposition of redundant personnel collector 100.

The air conditioning system is preferably an air conditioning system that operates at a high pressure in a line such as with R410A as the refrigerant, but of course, the air conditioning system may also be an air conditioning system that operates at a low pressure such as with R22 as the refrigerant or with R134a as the refrigerant.

In the machining process, the copper pipe is firstly flared to form a pilot part 12 and then flared to form an installation part 11, the diameter of a pilot cavity 121 is smaller than that of an installation cavity 111, the area of bearing pressure in an inner cavity 101 can be reduced, the pressure resistance pressure is increased, the installation cavity 111 is formed in the end face of the installation part 11 of the main body 10 in a stamping mode, then a reinforcing rib 13 is formed in a stamping mode, and the reinforcing rib 13 extends into the pilot cavity 121 and can enhance the pressure resistance strength of the main body 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A flow dividing and collecting device comprises a main body (10), wherein the main body (10) comprises a mounting part (11), and a plurality of mounting cavities (111) are formed in the mounting part (11);

its characterized in that, main part (10) still include guide portion (12) and strengthening rib (13), guide portion (12) with installation department (11) are connected, guide portion (12) seted up with guide chamber (121) of installation cavity (111) intercommunication, the one end of strengthening rib (13) with installation department (11) are kept away from the terminal surface of the one end of guide chamber (121) is connected, and the other end extends to in the guide chamber (121).

2. A shunt current collector according to claim 1, further comprising a main pipe (20) and a plurality of branch pipes (30), wherein the branch pipes (30) and the main pipe (20) are connected through the main body (10), and one end of each of the plurality of branch pipes (30) is disposed in the mounting cavity (111).

3. The flow divider and collector according to claim 2, wherein the mounting portion (11) comprises a first portion (112) and a transition portion (114) connected to each other, a first cavity (113) is formed in the first portion (112), a transition cavity (115) communicated with the first cavity (113) is formed in the transition portion (114), a positioning step (116) is formed on a side wall of the transition cavity (115), and one end of the branch pipe (30) at least partially abuts against the positioning step (116).

4. A shunt current collector according to claim 3, wherein the distance between the end of the reinforcing bead (13) remote from the first portion (112) and the positioning step (116) in the axial direction of the body (10) is greater than or equal to 3 mm.

5. A shunt current collector according to claim 3, wherein the internal diameter of the leading portion (12) is less than the internal diameter of the first portion (112).

6. The shunt current collector of claim 5, wherein the ratio of the diameter of the pilot portion (12) to the inner diameter of the first portion (112) is in the range of 1/2-4/5.

7. A shunt current collector according to claim 3, wherein the wall thickness of the leading portion (12) is greater than the wall thickness of the first portion (112).

8. A shunt current collector according to claim 3, wherein the outer diameter of the transition portion (114) increases progressively in a direction approaching the first portion (112).

9. The shunt current collector of claim 2, wherein the body (10) further comprises a second portion (14), the second portion (14) being connected at one end to the main tube (20) and at the other end to the pilot portion (12).

10. A shunt current collector according to claim 9, wherein the external diameter of the second portion (14) decreases progressively towards the main tube (20).

11. A shunt current collector according to claim 1, wherein the mounting portion (11) and the pilot portion (12) are formed by flaring.

12. An air conditioning system comprising a flow divider and collector according to any one of claims 1 to 11.