CN219140133U

CN219140133U - Pagoda joint and plug

Info

Publication number: CN219140133U
Application number: CN202223424266.8U
Authority: CN
Inventors: 黄冠鎏; 李�根; 李江滨
Original assignee: Zhuhai Dun'an Thermal Engineering Technology Co ltd
Current assignee: Zhuhai Dun'an Thermal Engineering Technology Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-06-06
Anticipated expiration: 2032-12-17

Abstract

The utility model discloses a pagoda joint and a plug, which are applied to a heat exchanger and used for being connected and communicated with a collecting pipe in the heat exchanger, wherein the pagoda joint comprises a joint body, one end of the joint body is provided with a collecting pipe connecting part used for being connected with the collecting pipe, and the other end of the joint body is provided with a hose connecting part used for connecting a hose; the inner peripheral wall of the hose connecting portion is provided with a plug matching portion, and the plug matching portion can be matched with the plug to limit the corresponding plug to the hose connecting portion and plug the hose connecting portion. According to the utility model, the plug matching part is arranged on the pagoda connector, so that the external plug can be matched with the plug matching part on the pagoda connector when the pagoda connector is subjected to factory leakage detection, and leakage detection medium can be injected into the pagoda connector through the plug, thus the leakage detection efficiency of the pagoda connector during leakage detection can be improved, the appearance of the pagoda connector is not influenced, and the effect of ensuring the quality of the pagoda connector product is further achieved.

Description

Pagoda joint and plug

Technical Field

The application relates to the technical field of pipeline connectors, in particular to a pagoda connector and a plug.

Background

In the fields of new energy and industrial electronics, because the use environment can not operate on fire, a mode of connecting a collecting pipe with a cold water pipeline by threads is often adopted in the heat exchanger. The pressure of the collecting pipe is not large, so that the hose is used as a cold water pipeline, and one end of the pagoda joint is usually connected with the collecting pipe of the heat exchanger, and the other end of the pagoda joint is connected with the hose.

The pressure test is needed before the heat exchanger leaves the factory, so that leakage is prevented, the sealing cover and the needle valve are welded on the pagoda joint for leakage detection in the traditional leakage detection method, the sealing cover and the needle valve are removed after the leakage detection is finished, and residual solder is polished. However, the process of welding and removing the cover is labor-consuming, and affects the appearance of the pagoda joint, so that the quality cannot be ensured.

Disclosure of Invention

Based on this, it is necessary to provide a pagoda joint and plug that facilitate leak detection of heat exchangers.

In order to solve the technical problems, the application provides the following technical scheme:

the pagoda joint is applied to a heat exchanger and is used for being connected and communicated with a collecting pipe in the heat exchanger; the pagoda joint comprises a joint body, wherein a collecting pipe connecting part is formed at one end of the joint body and is used for being connected with the collecting pipe, and a hose connecting part is formed at the other end of the joint body and is used for connecting a hose;

the inner peripheral wall of the hose connecting portion is provided with a plug matching portion, and the plug matching portion can be matched with the plug so as to limit the corresponding plug to the hose connecting portion and seal the hose connecting portion.

It can be understood that through set up end cap cooperation portion on the pagoda connects for this pagoda connects when the leak hunting that dispatches from the factory, can use external end cap and this pagoda to connect the cooperation of end cap cooperation portion, make leak hunting medium can be through the end cap to pour into in the pagoda connects, can improve the leak hunting efficiency when detecting leak to this pagoda connects like this, and can not influence the outward appearance that the pagoda connects, and then reaches the effect of guaranteeing this pagoda and connect product quality.

In one embodiment, the inner peripheral wall is provided with an internal thread to form the plug matching part; the internal thread can be connected with the external thread on the plug.

It can be understood that the plug matching part is set to be an internal thread formed in the inner peripheral wall of the hose connecting part, so that the pagoda joint can be matched with the plug in a threaded mode, the structural characteristics of threaded connection are utilized, the tightness of the pagoda joint in connection with the plug can be ensured, one embodiment of the plug matching part is specifically realized, the pagoda joint is matched with the plug, the purpose of leak detection is achieved, the plug can be used repeatedly, and the cost is reduced.

In one embodiment, the inner peripheral wall is provided with a plug fitting surface to form the plug fitting part;

the plug attaching surface can be tightly matched with the plug.

It can be understood that the plug matching part is set to be a plug fitting surface, and the plug is assembled on the pagoda connector by utilizing tight fit between the plug and the plug matching surface, so that the other embodiment of the plug matching part is specifically realized, the pagoda connector is matched with the plug, the purpose of facilitating leak detection is achieved, the plug can be repeatedly used, and the cost is reduced.

In one embodiment, the connector body is further provided with a screwing fit portion, the screwing fit portion is disposed on the outer peripheral wall of the connector body, and the screwing fit portion can be matched with an external tool and drive the connector body to rotate.

It can be understood that through the screw-on fit portion that is formed on the joint body for external tool can be through screwing on fit portion effect to joint main part, utilize external tool and screw on the circumference spacing between the fit portion, play the effect of being convenient for screw on this pagoda joint and twist the drive, also avoid external tool to twist simultaneously and skid and make external tool's effect force to effect other positions of pipeline and lead to the nest of tubes pipe to roll over.

In one embodiment, a groove is formed in the peripheral wall of the joint body to form the screwing fitting part;

the bottom of the groove is of a plane structure, and the external tool can be clamped at the bottom of the groove.

It can be understood that the screwing fit portion is set as a slot formed in the outer peripheral wall of the connector body, and the slot bottom of the planar structure on the slot is matched with an external tool, so that an embodiment that the screwing fit portion is arranged on the connector body is specifically realized, the whole structure of the pagoda connector is simplified, and the screwing fit portion is conveniently arranged on the connector body.

In one embodiment, the number of the slots is plural, and the plural slots are symmetrically arranged along the circumferential direction of the joint body.

It will be appreciated that the number of slots is set to be plural and symmetrically arranged in the circumferential direction of the joint body, thereby embodying an embodiment in which slots are provided on the joint body.

In one embodiment, the outer peripheral wall of the joint body is radially provided with a boss to form the screwing fitting portion;

the boss is provided with a clamping surface, and the external tool can be clamped on the clamping surface.

It can be understood that the screwing fit portion is set to be a boss provided on the outer peripheral wall of the connector body, and the clamping face on the boss is used for being matched with an external tool, so that another embodiment that the screwing fit portion is arranged on the connector body is specifically realized, the structure is simplified, and the screwing fit portion is convenient to set on the connector body.

In one embodiment, the distance between the screw fitting and the manifold connection is greater than the distance between the screw fitting and the hose connection.

It can be appreciated that the screw-on mating portion is disposed adjacent to the hose connection portion, such that when the tower connector is mounted or dismounted from the header, the external tool is facilitated to mate with the screw-on mating portion, and further the external tool is facilitated to rotationally drive the tower connector through the screw-on mating portion.

In one embodiment, the hose connecting portion is provided in a tower structure, wherein a plurality of barb limiting portions are provided on an outer circumferential surface of the hose connecting portion at intervals, and the barb limiting portions can be in contact with the hose to limit the hose from being separated from the hose connecting portion.

It can be understood that the hose connecting portion is provided with the pagoda structure, the periphery wall of the hose connecting portion is provided with the plurality of barb limiting portions, and the structural characteristics of the hose connecting portion are utilized, so that the pagoda connector is convenient for the hose to be installed on the pagoda hose connecting portion when being connected with the hose, and the stability of connection between the hose and the hose connecting portion is improved.

The application also provides the following technical scheme:

a plug matched with any one of the above-mentioned pagoda connectors, the plug being capable of mating with the plug mating portion to limit the plug to the pagoda connector;

the plug is provided with an air inflation hole, and the plug can be communicated with the pagoda joint through the air inflation hole.

It can be understood that, so set up, can dismantle repeatedly between end cap and the pagoda connects for the pagoda connects when the leak hunting that dispatches from the factory, can use the end cap cooperation portion cooperation that sets up on this end cap and the pagoda connects, make leak hunting with the medium can fill in the hole pours into the collecting main in the pagoda connects through the end cap on, and then reaches the purpose of leak hunting to the heat exchanger, leak hunting efficiency when can improving the leak hunting like this, and can not influence the outward appearance that the pagoda connects, and then reaches the effect of guaranteeing this pagoda and connect product quality.

Due to the application of the scheme, compared with the prior art, the application has the following advantages:

the utility model provides a pagoda connects and end cap, through set up end cap cooperation portion on the pagoda connects for this pagoda connects when the leak hunting of dispatching from the factory, can use external end cap and this pagoda to connect the cooperation of end cap cooperation portion, make leak hunting with the medium can pour into in the pagoda connects through the end cap, can improve the leak hunting efficiency when detecting leak to this pagoda connects like this, and can not influence the outward appearance that the pagoda connects, and then reaches the effect of guaranteeing this pagoda and connect product quality.

Drawings

In order to more clearly illustrate the technical solutions of embodiments or conventional techniques of the present application, the drawings that are required to be used in the description of the embodiments or conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a partial cross-sectional view of a pagoda fitting provided in an embodiment of the present application.

Fig. 2 is a cross-sectional view of a plug provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of another view of the plug according to an embodiment of the present application.

Reference numerals: 100. a joint body; 10. a hose connection portion; 11. barb limit part; 12. an inner peripheral wall; 13. a plug fitting portion; 131. an internal thread; 20. screwing the matching part; 201. slotting; 200. a plug; 210. an external thread; 220. an air filling hole; 230. a step surface; 240. and a plug convex part.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used in the description of the present application for purposes of illustration only and do not represent the only embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first feature with the second feature, or an indirect contact of the first feature with the second feature via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

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

The pagoda joint is applied to a heat exchanger (not shown) and is used for connecting and communicating a collecting pipe (not shown) and a hose (not shown) in the heat exchanger.

Referring to fig. 1, the pagoda connector provided in an embodiment of the present application includes a connector body 100, wherein a collecting pipe connecting portion is formed at one end of the connector body 100 for connecting with a collecting pipe, and a hose connecting portion 10 is formed at the other end of the connector body 100 for connecting with a hose; wherein, be provided with end cap mating part 13 on the inner perisporium 12 of hose connecting portion 10, end cap mating part 13 can cooperate with end cap 200 to spacing to hose connecting portion 10 with corresponding end cap 200, and shutoff hose connecting portion 10, be convenient for when the leak hunting of leaving the factory, external end cap 200 cooperates sealed hose connecting portion 10 with the end cap mating part 13 that sets up on this pagoda connects, make leak hunting medium can pour into the pagoda and connect in through end cap 200, improve leak hunting efficiency, and avoided the operation of moving fire, can not influence the outward appearance of pagoda and connect, and then reach the effect of guaranteeing this pagoda and connect product quality.

The hose connecting portion 10 is approximately pagoda-shaped and is formed by arranging a plurality of barb limiting portions 11 at intervals, the barb limiting portions 11 are located on the outer circumferential surface of the hose connecting portion 10, and the structural characteristics of the hose connecting portion 10 are utilized to enable the pagoda joint to be convenient for the hose to be smoothly sleeved on the outer circumferential surface of the hose connecting portion 10 and limit the hose to be separated from the hose connecting portion 10 when the pagoda joint is connected with the hose, so that the hose and the hose connecting portion 10 can keep connection stability. The hose connecting part 10 is internally provided with a cavity for communicating a hose and a collecting pipeline, and the inner peripheral wall 12 of the hose connecting part 10 is provided with a plug matching part 13 for matching with the plug 200 to plug the cavity of the hose connecting part 10, so that leakage detection is facilitated.

In an embodiment, the plug matching portion 13 is provided with an internal thread 131, the internal thread 131 is formed on the inner peripheral wall 12 of the hose connecting portion 10, and the internal thread 131 is matched with the external thread 210 on the plug 200, which is beneficial to the structural characteristic of threaded connection, so as to specifically realize one embodiment of the plug matching portion 13. The number of the threads of the internal thread 131 and the external thread 210 is at least four, so that the tightness of the threaded connection between the pagoda joint and the plug 200 is ensured, the purpose of facilitating leak detection is achieved, and the plug 200 is convenient to repeatedly disassemble and assemble through threaded connection, so that the leakage detecting device has the effect of reducing cost.

In an embodiment, the plug matching portion 13 is set to be a plug bonding surface (not shown), the plug bonding surface is formed on the inner peripheral wall 12 of the hose connecting portion 10, and tight fit between the plug bonding surface and the plug 200 is utilized to realize sealing assembly of the plug 200 on the pagoda connector, so that another embodiment of the plug matching portion 13 is specifically realized, the leakage detection is facilitated, and the plug 200 can be repeatedly used, and the cost is reduced.

The connector body 100 is generally tubular, and may be a copper pipe, a stainless steel pipe, etc., and the connector body 100 is provided with a screwing mating portion 20, where the screwing mating portion 20 is specifically located on an outer peripheral wall of the connector body 100, so that an external tool can be mated with the screwing mating portion 20 to screw and drive the connector body 100, thereby driving the pagoda connector to be mounted on or dismounted from the collecting pipe. Through the setting of screwing the cooperation portion 20 for external instrument is when screwing the pagoda joint, keeps external instrument and pagoda joint's relative position fixed, and the external instrument is avoided external instrument to screw and is slipped when screwing and make external instrument's effort effect other positions of pipeline lead to the nest of tubes pipe to roll over, and external instrument specifically can select spanner, pliers etc..

Further, the distance between the screw fitting portion 20 and the header connecting portion is greater than the distance between the screw fitting portion 20 and the hose connecting portion 10, that is, the screw fitting portion 20 is located closer to one end of the hose connecting portion 10. Like this, when the pagoda joint is installed to the collecting pipe or is dismantled from the collecting pipe, the external instrument of being convenient for cooperates with this screw-on cooperation portion 20, and then the external instrument of being convenient for carries out rotary drive to this pagoda joint through screwing-on cooperation portion 20.

In an embodiment, the screwing fit portion 20 is set as a slot 201, the slot 201 is formed on the peripheral wall of the connector body 100, the bottom of the slot 201 is set as a planar structure, the slot width of the slot 201 can just accommodate an external tool to be clamped into the slot 201, so that the external tool is not relatively moved with the connector body 100 when clamped at the slot bottom of the slot 201, and therefore, the screwing fit portion 20 is particularly implemented in an embodiment of setting on the connector body, the whole structure of a pagoda connector is simplified, and the screwing fit portion 20 is conveniently set on the connector body 100.

Specifically, the number of the slots 201 is plural, and the slots 201 are symmetrically arranged along the circumferential direction of the connector body 100, for example, two slots 201 are symmetrically arranged along the circumferential direction of the connector body 100, or six slots 201 are symmetrically arranged along the circumferential direction of the connector body 100, so that an external tool is conveniently clamped with the bottoms of the slots 201 to screw the pagoda connector.

In an embodiment, the screwing fit portion 20 is configured as a boss (not shown) disposed on the outer peripheral wall of the connector body 100 in a radial direction, wherein a clamping surface is formed on the boss, and the external tool drives the boss to rotate circumferentially by being clamped on the clamping surface, so as to screw the pagoda connector, thereby specifically implementing another embodiment in which the screwing fit portion 20 is disposed on the connector body, having a simplified structure, and facilitating the setting of the screwing fit portion 20 on the connector body 100.

The header connecting portion (not shown) is substantially in a circular tube shape, and the header connecting portion is located at the other end of the joint body 100 away from the hose connecting portion 10, and the pagoda joint is connected to the header through the header connecting portion in a threaded connection or the like.

As shown in fig. 2 and fig. 3, the present application further provides a plug, where the plug is matched with the above-mentioned pagoda connector, and the plug 200 can be matched with the plug matching portion 13, so that the plug 200 is limited to the pagoda connector for leak detection, and the plug 200 is detachably connected with the pagoda connector. In the present embodiment, the plug engaging portion 13 is provided as the internal thread 131, and thus the external thread 210 matching the internal thread 131 is correspondingly provided on the plug 200.

It should be noted that, in other embodiments, when the plug matching portion 13 is set as the plug fitting surface, the fitting surface is set on the plug 200 to be correspondingly matched with the plug fitting surface, so that the plug 200 is tightly matched with the pagoda joint, thereby achieving the purpose of sealing and leak detection.

The plug 200 is provided with the air filling hole 220, the air filling hole 220 can be communicated with the pagoda joint, when leakage detection is performed, one end of the plug 200 plugs the hose connecting part 10, and the other end of the plug supplements leakage detection media through the air filling hole 220 to enter the pagoda joint, so that the leakage detection of the heat exchanger is achieved, and the leakage detection capability is improved.

The step surface 230 is further arranged on the plug 200, the step surface 230 is located at one end close to the air charging hole 220, when the plug 200 is installed on the hose connecting portion 10, the step surface 230 on the plug 200 can be abutted against a port of the hose connecting portion 10, sealing between the plug 200 and the hose connecting portion 10 is facilitated, and leakage detection is facilitated. The step surface 230 is formed on the plug protrusion 240, and the plug protrusion 240 has a substantially hexagonal structure, so that the plug 200 can be stressed at the plug protrusion 240 and is not easy to slip, thereby facilitating the installation or the disassembly of the plug 200.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of the present application is to be determined by the following claims.

Claims

1. The pagoda joint is applied to a heat exchanger and is used for being connected and communicated with a collecting pipe in the heat exchanger; the pagoda joint is characterized by comprising a joint body (100), wherein a collecting pipe connecting part is formed at one end of the joint body (100) and is used for being connected with the collecting pipe, and a hose connecting part (10) is formed at the other end of the joint body (100) and is used for connecting a hose;

the inner peripheral wall (12) of the hose connecting portion (10) is provided with a plug matching portion (13), and the plug matching portion (13) can be matched with the plug (200) so as to limit the corresponding plug (200) to the hose connecting portion (10) and block the hose connecting portion (10).

2. The pagoda fitting according to claim 1, characterized in that the inner peripheral wall (12) is provided with internal threads (131) to form the plug mating portion (13); the internal thread (131) is connectable with an external thread on the plug (200).

3. The pagoda joint according to claim 1, characterized in that the inner peripheral wall (12) is provided with a plug fitting surface to form the plug fitting portion (13);

the plug attaching surface can be tightly matched with the plug (200).

4. The pagoda joint according to claim 1, characterized in that the joint body (100) is further formed with a screwing mating portion (20), the screwing mating portion (20) is disposed on the outer peripheral wall of the joint body (100), and the screwing mating portion (20) can mate with an external tool and drive the joint body (100) to rotate.

5. The pagoda joint of claim 4, characterized in that a slot (201) is opened on the outer peripheral wall of the joint body (100) to form the screwing fitting portion (20);

the groove bottom of the groove (201) is of a planar structure, and the external tool can be clamped at the groove bottom of the groove (201).

6. The pagoda joint of claim 5, characterized in that the number of slots (201) is plural, a plurality of the slots (201) being symmetrically arranged along the circumferential direction of the joint body (100).

7. The pagoda fitting according to claim 4, characterized in that the outer peripheral wall of the fitting body (100) is radially provided with a boss to form the screw fitting (20);

8. The pagoda fitting of claim 4, characterized in that the distance between the screw fitting (20) and the manifold connection is greater than the distance between the screw fitting (20) and the hose connection (10).

9. The pagoda fitting of claim 1, characterized in that the hose connecting portion (10) is provided in a pagoda structure, wherein a plurality of barb limit portions (11) are provided on an outer peripheral surface of the hose connecting portion (10) at intervals, and the plurality of barb limit portions (11) can be brought into contact with the hose to restrict the hose from being separated from the hose connecting portion (10).

10. A bulkhead, characterized in that the bulkhead is matched with the tower joint according to any one of claims 1-9, the bulkhead (200) being capable of being mated with the bulkhead mating part (13) to limit the bulkhead (200) to the tower joint;

the plug (200) is provided with an air charging hole (220), and the plug (200) can be communicated with the pagoda joint through the air charging hole (220).