Collecting pipe for heat exchanger

Abstract

The utility model discloses a collecting pipe for a heat exchanger, which comprises a collecting pipe component, a plurality of connecting pipes, a plurality of connecting pipes, a plurality of connecting pipes and a plurality of connecting pipes, and the supporting piece comprises an expansion part arranged between the inner pipe and the outer pipe, the expansion part comprises an expansion cavity formed between the inner pipe and the outer pipe, a second conveying cavity communicated with the expansion cavity and an air conveying pipeline communicated with the second conveying cavity, and different pipeline connecting modes can be achieved through the disassembling assembly. Therefore, different connecting states are achieved, the shape of the end of the flow collecting part can be changed through the expansion part, and therefore the flow speed of liquid in the flow collecting pipe is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of collecting flow pipe, especially a collecting flow pipe for heat exchanger. BACKGROUND

[0002] The heat exchanger is the exchange equipment that heat fluid's partial heat is transmitted to cold fluid, makes fluid temperature reaches the index heat of process flow stipulation, also called heat exchanger.

[0003] The collecting flow pipe is the important component of heat exchanger, and the pipe body of the existing collecting flow pipe is mostly approximately circular, and the volume is big, increases the filling amount of refrigerant, and then causes the refrigerant flow rate reduction in collecting flow pipe and a series of problems such as refrigerant distribution uneven in each heat exchange pipe. SUMMARY

[0004] This section is intended to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above existing problems of the collecting flow pipe for heat exchanger, the utility model is provided.

[0006] Therefore, the utility model aims at providing a collecting flow pipe for heat exchanger.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a collecting flow pipe for heat exchanger, comprising, collecting flow pipe assembly, including inner tube, outer tube and support arranged on the surface of inner tube, and the outer tube includes fixed part connected with inner tube, expansion part connected with fixed part and functional part connected with expansion part, expansion part is arranged in each expansion part, and connecting layer is arranged between expansion part and expansion part, expansion part includes expansion cavity arranged in expansion part, first expansion rod articulated in expansion cavity and second expansion rod articulated with first expansion rod.

[0008] As a kind of preferred scheme for the header of heat exchanger described in the utility model, wherein: the functional part rear end is provided with operating element, the operating element includes the start key being arranged on functional part, the pawl being arranged at the lower end of start key and the several tooth grooves being arranged on the outer wall of inner tube, the sliding connection between start key and functional part is provided with elastic element between start key and functional part, the conveying sleeve is arranged on the outer side of inner tube, the push rod is slidably connected on the conveying sleeve, the push rod is connected with functional part, air conveying pipeline is arranged on the conveying sleeve.

[0009] As a kind of preferred scheme for the header of heat exchanger described in the utility model, wherein: the air conveying pipeline includes the gas conveying pipe being communicated with conveying sleeve and the blowing element being communicated with gas conveying pipe.

[0010] As a kind of preferred scheme for the header of heat exchanger described in the utility model, wherein: the blowing element includes the communication sphere being communicated with gas conveying pipe and the communication port being opened in the rear end of communication sphere, the gas-tight ring is arranged between communication sphere and gas conveying pipe, the cross-cut is opened in the gas-tight ring, the cross-cut divides the gas-tight ring into several gas separation layers, the reset element is arranged at the connection between gas separation layer and gas-tight ring.

[0011] As a kind of preferred scheme for the header of heat exchanger described in the utility model, wherein: the reset element includes the straight line part being arranged on gas-tight ring, the bending part being connected with straight line part and the extension part being arranged at the end of bending part, the extension part always abuts against gas separation layer.

[0012] As a kind of preferred scheme for the header of heat exchanger described in the utility model, wherein: further includes,

[0013] The dismounting part includes the first clamping element being arranged at the rear end of inner tube and the second clamping element being arranged at one side of first clamping element;

[0014] The telescopic assembly is arranged outside second clamping element, including the first spring being arranged below second clamping element, the limiting column being arranged at one side of first spring, the limiting rod being arranged on limiting column and the rotating part being arranged above second clamping element.

[0015] As a kind of preferred scheme for the header of heat exchanger described in the utility model, wherein: the first clamping element includes the first through hole being opened in the outer side of first clamping element, the second spring being arranged in first clamping element and the first recess being opened in the inner wall above first clamping element, the first recess is fixed with limiting column,

[0016] The second clamping element includes the several second recesses being opened below, and the second recess is connected with limiting column.

[0017] As a preferred scheme of the collecting pipe for heat exchanger, the rotating part comprises a rotating plate arranged above the second clamping part, an arc-shaped through hole arranged on the rotating plate, and a rotating rod arranged on the rotating plate.

[0018] As a preferred scheme of the collecting pipe for heat exchanger, the arc-shaped through hole is provided with a plurality of arc-shaped through holes, and the arc-shaped through holes are matched with the limiting rods in extension and retraction.

[0019] The utility model discloses the beneficial effect: utilize dismounting component can realize different pipeline connection mode, thereby realizes different connection state, and utilize expansion portion can change the shape of the end of the collecting part, thereby guaranteeing the liquid flow rate in the collecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only is some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings. Wherein:

[0021] Figure 1 The inner tube and outer tube structure schematic view of the collecting pipe for heat exchanger.

[0022] Figure 2 The inner tube and outer tube structure sectional view schematic view of the collecting pipe for heat exchanger.

[0023] Figure 3 The expansion portion schematic view of the collecting pipe for heat exchanger. Figure 2 The A part schematic view of the collecting pipe for heat exchanger.

[0024] Figure 4 The expansion portion schematic view of the collecting pipe for heat exchanger.

[0025] Figure 5 The reset piece sectional view schematic view of the collecting pipe for heat exchanger.

[0026] Figure 6 The reset piece and outer tube connection sectional view schematic view of the collecting pipe for heat exchanger.

[0027] Figure 7 The dismounting component explosion schematic view of the collecting pipe for heat exchanger.

[0028] Figure 8 The dismounting component schematic view of the collecting pipe for heat exchanger. DETAILED DESCRIPTION

[0029] In order to make the above objectives, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0030] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0031] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0032] Thirdly, the present application is described in detail in conjunction with the schematic diagram, when the embodiments of the present application are described in detail, in order to facilitate the description, the cross-sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture. Embodiment 1

[0033] Reference Figures 1-6 The utility model discloses a manifold for heat exchanger, its characterized in that: including, manifold assembly 100, in this embodiment, manifold assembly 100 includes inner tube 101, is equipped with outer tube 102 on the surface of inner tube 101 simultaneously and is provided with support 103.

[0034] Further, the present application also includes a membrane assembly, in this embodiment, the membrane assembly includes a shunt membrane and a closed membrane, the shunt membrane and the closed membrane are both arranged at the end position of the outer tube 102, the shunt membrane is a mesh membrane, the shunt membrane plays the role of sieving and shunting the internal liquid, the closed membrane is an integral membrane, the gap between the closed membrane and the shunt membrane is communicated with the drainage hole.

[0035] In the embodiment, the outer tube 102 comprises a fixed part 102a connected with the inner tube 101, the fixed part 102a is arranged at the end of the inner tube 101 and is fixed with the outer surface of the inner tube 101, and the expansion part 102b is connected on the fixed part 102a, the expansion part 102b is arranged in plurality, the shape of each expansion part 102b is elliptical arc, several expansion parts 102b form an elliptical sphere, and the material of the expansion part 102b is rubber and has certain stretchability, and the connecting layer 102d is arranged between every two expansion parts 102b, and the material of the connecting layer 102d is also rubber.

[0036] The expansion part 102b is arranged to expand when connected with the outer pipeline, and to realize the locking between the pipelines.

[0037] The functional part 102c is connected on the expansion part 102b, and the expansion part 104 is arranged in each expansion part 102b, in the embodiment, the expansion part 104 comprises the expansion cavity 104a arranged in the expansion part 102b, the expansion cavity 104a is arranged along the shape of the expansion part 102b, the first expansion rod 104b and the second expansion rod 104c hinged with the first expansion rod 104b are hinged in the expansion cavity 104a, and the second expansion rod 104c is hinged with the expansion part 102b close to the fixed part 102a.

[0038] The end of the expansion cavity 104a close to the functional part 102c is provided with the extension hole, and the rear end of the functional part 102c is provided with the operating part, in the embodiment, the operating part comprises the starting key 104d arranged on the functional part 102c, the clamping tooth 104e arranged at the lower end of the starting key 104d, and the tooth groove 104f arranged on the outer wall of the inner tube, the starting key 104d and the functional part 102c are slidingly connected, the elastic part 104g is arranged between the starting key 104d and the functional part 102c, in the embodiment, the elastic part 104g is a spring, the conveying sleeve 104h is arranged on the outer side of the inner tube, the pushing rod 104k is slidingly connected on the conveying sleeve 104h, the pushing rod 104k is connected with the functional part 102c, the pushing rod 104k slides to push the sliding of the functional part 102c, and the air conveying pipeline is arranged on the conveying sleeve 104h.

[0039] Further, in the embodiment, the support 103 comprises an expansion component 104 arranged between the inner tube 101 and the outer tube 102, the expansion component 104 comprises an expansion cavity 104a arranged between the inner tube 101 and the outer tube 102, a second conveying cavity 104b in communication with the expansion cavity 104a, and an air conveying pipeline in communication with the second conveying cavity 104b, wherein the expansion cavity 104a is made of flexible rubber material and can change its volume, and the second conveying cavity is made of hard rubber material and cannot change its volume.

[0040] Preferably, a communication pipe in communication with the inner tube 101 is arranged on the inner wall of the expansion component 102b, and the communication pipe is a flexible pipe which can change its shape according to the shape of the expansion component 102b.

[0041] In the embodiment, the air conveying pipeline comprises a gas conveying pipe 105 in communication with the second conveying cavity 104b, and a blowing component in communication with the gas conveying pipe 105. In the embodiment, the blowing component comprises a communication ball 106 in communication with the gas conveying pipe 105, and a communication port arranged on the rear end of the communication ball 106. A gas-tight ring 108 is arranged between the communication ball 106 and the blowing component, and a cross cut 109 is arranged on the gas-tight ring 108. The cross cut 109 divides the gas-tight ring 108 into a plurality of gas isolation layers 109a. In the embodiment, the gas isolation layers 109a are divided into four, and each gas isolation layer 109a is in the shape of a sector. A reset component 200 is arranged at the joint between each gas isolation layer 109a and the gas-tight ring 108.

[0042] In the embodiment, the reset component 200 comprises a straight portion 201 arranged on the gas-tight ring 108, a bent portion 202 connected to the straight portion 201, and an extension portion 203 arranged on the end of the bent portion 202. The extension portion 203 is always in abutment with the gas isolation layer 109a.

[0043] During operation, when the operator holds the communication ball 106 with his hand and presses the communication ball 106, external air is pressed into the second conveying cavity. When the air passes through the gas isolation layer 109a, the gas isolation layer 109a is opened due to the pressure of the air, and the air can flow. When the operator releases the communication ball 106, no air passes through the gas isolation layer 109a, and the bent portion 202 is reset, thereby pushing the gas isolation layer 109a to reset. At this time, the air in the second conveying cavity cannot flow outwards.

[0044] The shape of the expansion component 102b is changed, thereby ensuring the flow rate of the liquid. Embodiment 2

[0045] Reference Figures 7-8The difference between the embodiment and the previous embodiment is that the first clamping part 301 is arranged at the end of the inner observation part 101, and the first clamping part 301 comprises a through hole arranged on the outer side of the first clamping part 301, a second spring 301b arranged in the first clamping part 301, and a first recess 301c arranged on the inner wall of the first clamping part 301, and the first recess 301c is fixed with the limiting column 305.

[0046] Further, the second clamping part 303 comprises a plurality of second recesses 303a arranged below, the second recesses 303a are connected with the limiting column 305, the first spring 304 is fixedly connected with the second clamping part 303, the first spring 304 is fixedly connected with the limiting column 305, and the limiting column 305 is fixedly connected with the limiting rod 306.

[0047] Further, the rotating part 307 comprises a rotating plate 307a arranged above the second clamping part 303, an arc-shaped through hole 307b arranged on the rotating plate 307a, and a rotating rod 307c arranged on the rotating plate 307a, the arc-shaped through hole 307b is telescopic with the limiting rod 306, the first spring 304 is fixedly connected with the second clamping part 303, the first spring 304 is fixedly connected with the limiting column 305, and the limiting column 305 is fixedly connected with the limiting rod 306.

[0048] The operation process is that when disassembling, the operator holds the rotating rod 307c, drives the rotating plate 307a to rotate by rotating the rotating rod 307c, the limiting rod 306 rotates with the arc-shaped through hole 307b in the process of rotating the rotating plate 307a, because the first spring 304 is fixedly connected with the second clamping part 303, the first spring 304 is fixedly connected with the limiting column 305, and the limiting column 305 is fixedly connected with the limiting rod 306, so that the limiting rod 306 drives the limiting column 305 to shrink to the center of the second clamping part 303 in the process of movement, and the first spring 304 is extruded in the process of the limiting column 305 shrinking, at this time, because the second spring 301b of the first clamping part 301 is compressed in the installation process, when the second clamping part 303 and the first clamping part 301 are disengaged, the elastic force of the second spring 301b is generated, so that the telescopic of the rotating part 307 is realized, and the first clamping part 301 and the second clamping part 303 are disengaged, and the quick installation and disassembly of the drainage tube is realized by arranging the disassembly assembly.

[0049] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, locations, and the like). For example, the elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be modified or changed. Thus, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the subject matter described herein. Any "open / closed" claims are intended to encompass the structure described herein, and not just the structure equivalent, but also the equivalent structure. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0050] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0051] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can be complex and time-consuming, but would be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0052] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application, and although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalent replaced without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A manifold for a heat exchanger, characterized by: The manifold assembly (100) comprises an inner tube (101), an outer tube (102), and a support (103) arranged on the surface of the inner tube (101); and The outer tube (102) comprises a fixed part (102a) connected with the inner tube (101), an expansion part (102b) connected with the fixed part (102a), and a functional part (102c) connected with the expansion part (102b), each of the expansion parts (102b) is provided with an expansion component, and a connecting layer (102d) is arranged between the expansion part (102b) and the expansion part (102b). The expansion component (104) comprises an expansion cavity (104a) opened in the expansion part (102b), a first expansion rod (104b) hinged in the expansion cavity (104a), and a second expansion rod (104c) hinged with the first expansion rod (104b). The functional part (102c) is provided with an operating member at the rear end, the operating member comprises a start key (104d) arranged on the functional part (102c), a clamping tooth (104e) arranged at the lower end of the start key (104d), and a plurality of tooth grooves (104f) arranged on the outer wall of the inner tube, the start key (104d) and the functional part (102c) are connected in sliding mode, the start key (104d) and the functional part (102c) are provided with an elastic member (104g), the outer side of the inner tube is provided with a delivery sleeve (104h), the delivery sleeve (104h) is connected with a push rod (104k) in sliding mode, the push rod (104k) is connected with the functional part (102c), and the delivery sleeve (104h) is provided with an air delivery pipeline.

2. The collector for heat exchangers according to claim 1, characterized in that: The air delivery pipeline comprises a gas delivery pipe (105) in communication with the delivery sleeve (104h) and a blowing member in communication with the gas delivery pipe (105).

3. The collector for heat exchangers as claimed in claim 2, characterized in that: The blowing member comprises a communication ball (106) in communication with the gas delivery pipe (105) and a communication port opened at the rear end of the communication ball (106), a gas-tight ring (108) is arranged between the communication ball (106) and the gas delivery pipe (105), a cross-cut (109) is opened in the gas-tight ring (108), the cross-cut (109) divides the gas-tight ring (108) into a plurality of air isolation layers (109a), and a reset member (200) is arranged at the connection between the air isolation layer (109a) and the gas-tight ring (108).

4. The collector for heat exchangers according to claim 3, characterized in that: The reset member (200) comprises a straight part (201) arranged on the gas-tight ring (108), a bending part (202) connected with the straight part (201), and an extension part (203) arranged at the end of the bending part (202), and the extension part (203) is always in abutment with the air isolation layer (109a).

5. The collector for heat exchangers according to claim 4, characterized in that: The inner tube (101) is provided with a first clamping member (301) and a second clamping member (303) arranged on one side of the first clamping member (301).

6. The header for heat exchangers of claim 1, wherein: ​ The telescopic assembly is arranged outside the second clamping piece (303), and comprises a first spring (304) arranged below the second clamping piece (303), a limiting column (305) arranged on one side of the first spring (304), a limiting rod (306) arranged on the limiting column (305), and a rotating part (307) arranged above the second clamping piece (303).

7. The collector for heat exchangers according to claim 6, characterized in that: The first clamping piece (301) comprises a first through hole (301a) arranged outside the first clamping piece (301), a second spring (301b) arranged inside the first clamping piece (301), and a first recess (301c) arranged on the inner wall above the first clamping piece (301), wherein the first recess (301c) is matched with the limiting column (305) to be fixed, The second clamping piece (303) comprises a plurality of second recesses (303a) arranged below, wherein the second recesses (303a) are matched with the limiting column (305) to be connected.

8. A collector for a heat exchanger according to claim 6 or 7, characterised in that: The rotating part (307) comprises a rotating plate (307a) arranged above the second clamping piece (303), an arc-shaped through hole (307b) arranged on the rotating plate (307a), and a rotating rod (307c) arranged on the rotating plate (307a).

9. The collector for heat exchangers according to claim 8, characterized in that: The arc-shaped through hole (307b) is arranged in plurality, and is matched with the limiting rod (306) to be telescopic.

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