CN211501942U - Pipe connection assembly and water heater including the same - Google Patents

Abstract

The utility model discloses a pipe joint assembly, comprising: a female pipe joint, a first pipeline is arranged in the first pipeline, a limit table is arranged in the first pipeline, and a guide flow hole with two notches is opened on the limit table, The first pipeline forms a first cavity and a second cavity through the limit table, an elastic member is arranged in the second cavity, and the elastic force direction of the elastic member points to the bottom of the limit table; the male pipe joint is provided with a second cavity. In the pipeline, one end of the male pipe joint is provided with a pipe joint part for passing through the diversion hole, and the pipe joint part is provided with a clamping block matched with the gap; the upper position of the male pipe joint is sleeved with a pipe joint for sealing the first cavity For the first sealing ring, when all the clamping blocks are clamped at the bottom of the limiting platform, the second pipeline is communicated with the second cavity. Compared with the prior art, the pipe joint assembly adopts the quick connection instead of the existing screw connection, which makes the disassembly and assembly of the pipe joint assembly more convenient and reliable. At the same time, the utility model also provides a water heater using the above-mentioned pipe connection assembly.

Description

Pipe connection assembly and water heater including the same

technical field

The utility model relates to the technical field of fluid transportation, in particular to a pipe connection assembly and a water heater including the same.

Background technique

The existing gas water heater or electric water heater mainly realizes the sealed connection between the pipes through the pipe connection components. Since the pipe connection components of the water heater are all G1/2 threads or G3/4 threads, the existing All pipe fittings require threaded connections. However, when the user installs the pipe joint assembly, it is easy to cause fluid leakage due to improper installation, or damage to the thread due to excessive tightening of the thread, resulting in the scrapping of the entire pipe joint assembly.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a pipe joint assembly that does not require threaded connection, which can realize quick assembly and disassembly of pipes.

The utility model also provides a water heater with the above-mentioned pipe connection assembly.

The pipe connection assembly according to the embodiment of the first aspect of the present invention includes:

A female pipe joint, which is provided with a first pipeline, a limit table is arranged in the first pipeline, and a diversion hole with at least one gap is opened on the limit table, and the first pipeline passes through The limiting stage forms a first cavity and a second cavity, an elastic member is arranged in the second cavity, and the elastic force direction of the elastic member points to the bottom of the limiting stage;

A male pipe joint, which is provided with a second pipeline, one end of the male pipe joint is provided with a pipe joint part for passing through the guide flow hole, and a pipe joint part is provided on the pipe joint part for matching with the gap. a clamping block; the upper limit of the male pipe joint is sleeved with a first sealing ring for sealing the first cavity, when all the clamping blocks are clamped at the bottom of the limiting platform, the second The pipeline communicates with the second cavity.

The pipe joint assembly according to the embodiment of the present invention has at least the following beneficial effects: the other end of the male pipe joint is provided with an external pipe for inputting fluid, and the user only needs to move the pipe joint part with the clamping block from the pipe joint with the notch. The flow hole is inserted into the second cavity, and then the male pipe joint is rotated, so that all the clamping blocks are clamped at the bottom of the limiting platform, and the installation of the pipeline is completed at this time; compared with the prior art, the The pipe joint assembly adopts the quick connection instead of the existing threaded connection, which makes the disassembly and assembly of the pipe joint assembly more convenient and reliable.

According to some embodiments of the present invention, the size of the first cavity is larger than the size of the second cavity, and the number of the locking blocks is not greater than the number of the notches.

According to some embodiments of the present invention, the bottom of the limiting platform is provided with at least one groove for limiting the position of the clamping block, and all the grooves are staggered from all the notches.

According to some embodiments of the present invention, the bottom of the limiting platform is provided with at least one inclined surface, and each of the inclined surfaces extends from the notch to the groove.

According to some embodiments of the present invention, a first adapter with a built-in third pipeline is sealed and connected to the end of the female pipe joint away from the first cavity, and the third pipeline is connected to the second cavity. body connectivity.

According to some embodiments of the present invention, the elastic member is disposed between the first adapter member and the limiting platform.

According to some embodiments of the present invention, the other end of the male pipe joint is sealed and connected with a second adapter with a built-in fourth pipeline, and the fourth pipeline communicates with the second pipeline.

According to some embodiments of the present invention, a gasket is provided between the elastic member and the limiting platform.

According to some embodiments of the present invention, a mounting plate is provided at the end of the female pipe joint close to the first cavity, and two mounting holes are opened on the mounting plate.

The water heater according to the embodiment of the second aspect of the present invention includes an inner pipe, a water heater shell and the above-mentioned pipe connection assembly, the inner pipe is sealedly connected with the first adapter, and through the two installation holes, all the The female pipe joint is installed in the water heater shell, and the first cavity is directly communicated with the outside.

The water heater according to the embodiment of the present invention has at least the following beneficial effects: because the main pipe joint is embedded in the water heater shell, there is no protruding pipe connection structure outside the water heater, and the appearance is more neat.

Additional aspects and advantages of the invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

1 is a schematic three-dimensional structural diagram of a pipe joint assembly according to an embodiment of the present invention;

Figure 2 is an exploded view of a pipe joint assembly according to an embodiment of the present invention;

Figure 3 is a front view of the pipe joint assembly shown in Figure 2;

Figure 4 is a top view of the pipe joint assembly shown in Figure 1;

5 is a top view of a female pipe joint according to an embodiment of the present invention;

6 is a cross-sectional view of the pipe joint assembly shown in FIG. 4 along the section line A-A;

7 is a cross-sectional view of the female pipe joint shown in FIG. 5 along the B-B section line;

8 is a cross-sectional view of a pipe joint assembly according to another embodiment of the present invention.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as a limitation of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If there are descriptions of the first, second, third, and fourth only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or implicitly indicating the number of indicated technical features or implicitly indicating the number of technical features indicated. Indicates the precedence of the technical characteristics indicated.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution .

As shown in FIG. 1 to FIG. 6 , the pipe joint assembly according to the embodiment of the first aspect of the present invention includes a female pipe joint 100 and a male pipe joint 200, wherein the female pipe joint 100 is provided with a first pipeline 110, The first pipeline 110 is provided with a limit stage 300 , and the limit stage 300 is provided with a guide flow hole 320 with two notches 310 , and the two notches 310 are linearly distributed in the guide flow hole 320 On the upper side, the guide hole 320 is located at the middle position of the limit stage 300; the first pipeline 110 forms a first cavity 111 and a second cavity 112 through the limit stage 300, and the first cavity 111 and the second cavity 112 are formed. A cavity 111 is in direct communication with the outside world, and the second cavity 112 is provided with an elastic member 400. The elastic member 400 includes but is not limited to a spring, an elastic sheet or a rubber pad. In this embodiment, the elastic member is preferably a spring. The direction of the elastic force of 400 points to the bottom of the stopper 300 . It can be understood that, the number of the notches 310 may also be one, three, etc., but not limited to this.

In addition, a first adapter 500 with a built-in third pipeline 510 is sealed and connected to the end of the female pipe joint 100 away from the first cavity 111 , and the third pipeline 510 is connected to the second The cavity 112 communicates. As shown in FIG. 6 , the first adapter 500 is a movable adapter, the second cavity 112 is provided with a sealing groove and an inner thread, and one end of the first adapter 500 is provided with an outer thread, First, place the second sealing ring 520 in the sealing groove, and then screw the first adapter 500 into the second cavity 112, so that the female pipe joint 100 can be connected to the second cavity 112. An adapter 500 is sealed and connected. At this time, the elastic element 400 is disposed between the first adapter 500 and the limiting table 300 . Or as shown in FIG. 8 , in some embodiments of the present invention, the first adapter 500 is an adapter tube, and the second cavity 112 is provided with a sealing groove for placing the second sealing ring 520 , One end of the first adapter 500 is sealed and clamped in the second cavity 112, so that the female pipe joint 100 and the first adapter 500 can be sealedly connected. At this time, the elastic The component 400 is disposed between the first adapter component 500 and the limiting platform 300 . The first adapter 500 is used for sealing connection with the inner pipe (air intake pipe or water inlet pipe) of the water heater (not shown in the drawings), because the structure of the first adapter 500 required by different pipes is not the same. Therefore, this embodiment does not limit the specific structure of the first adapter 500, and the manufacturer can adaptively select the structure of the first adapter 500 according to actual needs. It should be further explained that, in general, the female pipe joint 100 and the first adapter 500 do not need to be disassembled as long as they are sealed and connected together, and the two are assembled by the manufacturer in a unified manner, and no user operation is required.

The male pipe joint 200 is provided with a second pipeline 210. One end of the male pipe joint 200 is provided with a pipe joint portion 220 for passing through the guide flow hole 320. The notches 310 are matched with the clamping blocks 221 used. Since the number of the notches 310 is preferably two, the number of the clamping blocks 221 is also preferably two, and the two clamping blocks 221 are linearly distributed on the pipe. However, in other embodiments, as long as the number of the clamping blocks 221 is not more than the number of the notches 310, the pipe joint part 220 with the clamping blocks 221 can pass through the notches 310 the conducting flow holes 320 . Since the direction of the elastic force of the elastic member 400 points to the bottom of the limiting table 300 , before the two locking blocks 221 are inserted into the second cavity 112 , the elastic force of the elastic member 400 needs to be overcome first. When the clamping block 221 is inserted into the second cavity 112 , the user can rotate the pipe joint part 220 , so that the two clamping blocks 221 are clamped at the bottom of the limiting table 300 . The clamping block 221 abuts against the bottom of the limiting platform 300 under the elastic force of the elastic member 400 .

Besides, the male pipe joint 200 is provided with a sealing ring groove 240, the sealing ring groove 240 is close to the pipe joint part 220, and the inner limit of the sealing ring groove 240 is provided for sealing the first For the first sealing ring 241 of the cavity 111 , the distance between the first sealing ring 241 and the clamping block 221 should be satisfied when all the clamping blocks 221 are clamped at the bottom of the limiting platform 300 , at this time, the first sealing ring 241 is located in the first cavity 111; since the fluid can flow from the gap 310 to the first cavity 111, the first sealing ring 241 needs to be used to seal the The first cavity 111 is used to prevent fluid from leaking out through the first cavity 111 . The first sealing ring 241 is a soft material. In order to ensure that the first sealing ring 241 can seal the first cavity 111 , the size of the first sealing ring 241 should be slightly larger than that of the first cavity. 111 size. Since the size of the conducting hole 320 is smaller than the size of the first cavity 111 , the size of the pipe joint part 220 is also smaller than the size of the sealing ring groove 240 , that is, the male pipe joint One end of the 200 is a stepped structure. In order to enable the pipe joint portion 220 to be inserted into the second cavity 112 smoothly, the distance between the blocking block 221 and the stepped surface 250 should be greater than the limit table 300 thickness of.

The other end of the male pipe joint 200 is provided with a second adapter 600 for sealingly connecting with an external pipe (not shown in the drawings). The second adapter 600 has a fourth pipeline 610 built in, so The fourth pipeline 610 communicates with the second pipeline 210 . As shown in FIG. 6 , the second adapter 600 is an adapter nut, and the male pipe joint 200 is provided with a movable connector 230 , through the movable connector 230 , the second adapter 600 is connected to the The male pipe joint 200 is sealed and connected, and enables the pipe joint portion 220 to rotate relative to the second adapter 600 . Or as shown in FIG. 8 , in some embodiments of the present invention, the second adapter 600 is a movable adapter, the second pipeline 210 is provided with internal threads, and the second adapter One end of the 600 is provided with an external thread, and the second adapter 600 is threadedly connected in the second pipeline 210, so that the male pipe joint 200 and the second adapter 600 can be sealedly connected, Since the second adapter 600 is a movable adapter, the male pipe joint 200 can rotate relative to the external pipe. The second adapter 600 is used for sealing connection with the external pipeline, and the external pipeline uses the conventional water heater to input fluid (water or gas). At the bottom, that is, when the male pipe joint 200 and the female pipe joint 100 are connected, the fluid in the external pipeline can flow through the fourth pipeline 610 , the second pipeline 210 , the second cavity 112 , and the third pipeline in sequence. Line 510 and flow into the water heater's internal plumbing. Since the structures of the second adapter 600 required by different pipelines are not completely the same, this embodiment does not limit the specific structure of the second adapter 600, and the manufacturer can adaptively select it according to actual needs The structure of the second adapter 600 .

As shown in FIG. 6 , in some embodiments of the present invention, in order to enable the elastic member 400 to better abut with the two blocking blocks 221 , the size of the first cavity 111 is larger than that of the first cavity 111 . The size of the second cavity 112, but when the size of the first cavity 111 is not larger than the size of the second cavity 112, it will not substantially affect the use of the pipe joint assembly , this embodiment only adopts the technical solution that the size of the first cavity 111 is larger than the size of the second cavity 112 , but does not impose a mandatory limitation on it.

In some embodiments of the present invention, in order to increase the contact area between the elastic member 400 and the two locking blocks 221 , a gasket 410 is provided between the elastic member 400 and the limiting platform 300 , When the two blocking blocks 221 are inserted into the second cavity 112 , the two blocking blocks 221 abut against the gasket 410 . The spacer 410 can not only increase the contact area between the elastic member 400 and the two blocking blocks 221 , but also prevent the two blocking blocks 221 from being scratched by the elastic member 400 .

As shown in FIG. 7 , in some embodiments of the present invention, in order to limit the position of the two blocking blocks 221 and prevent the two blocking blocks 221 from rotating by themselves, the bottom of the limiting platform 300 is provided with a There are two grooves 330, both of which are staggered from the two notches 310, and the two grooves 330 are respectively set corresponding to the two blocks 221; The setting direction of the groove 330 is perpendicular to the setting direction of the two notches 310 . When the user inserts the two blocks 221 into the second cavity 112 , the pipe joint part 220 only needs to be inserted into the second cavity 112 . By rotating 90°, the two clamping blocks 221 can be positioned in the two grooves 330 respectively. Under the action of the elastic force of the elastic member 400 , the blocking blocks 221 can abut against the grooves 330 , and the two blocking blocks 221 cannot rotate by themselves without external force. It can be understood that the included angle between the arrangement direction of the two grooves 330 and the arrangement direction of the two notches 310 is not unique, and may also be 45°, 135°, etc., but is not limited thereto.

In order to more conveniently limit the locking block 221 in the groove 330 , the bottom of the limiting platform 300 is provided with two inclined surfaces 340 , each of the inclined surfaces 340 extending from the notch 310 to In the groove 330 , if the height of the notch 310 is higher than the height of the groove 330 , the slope 340 is inclined downward. If the height of the notch 310 is lower than the height of the groove 330 . If the height is set, then the inclined surface 340 is inclined upward, because the first technical solution can make the blocking block 221 better contact with the gasket 410, so that the blocking block 221 is closer to the Therefore, the present embodiment preferably adopts the technical solution that the height of the notch 310 is higher than the height of the groove 330 . In addition, in order to limit the rotation of the pipe joint part 220 in one direction, each groove 330 is provided with a limit block 350 in the clockwise or counterclockwise direction, so that the pipe joint part 220 can only be rotated in the direction of the inclined plane 340 .

As shown in FIG. 1 , in some embodiments of the present invention, a mounting plate 120 is provided at the end of the female pipe joint 100 close to the first cavity 111 , and the mounting plate 120 is specifically a wing plate. The mounting plate 120 is provided with two mounting holes 121 , and the two mounting holes 121 are used for mounting with the water heater shell.

Referring to Figure 6, the disassembly steps of the pipe connection assembly are:

1. Align the two blocks 221 with the two notches 310 respectively;

2. Overcome the elastic force of the elastic member 400 and insert the two blocks 221 into the second cavity 112;

3. Rotate the pipe joint part 220, so that the two clamping blocks 221 are respectively restricted to rotate into the two grooves 330, at this time, the female pipe joint 100 and the male pipe joint 200 have been connected;

4. Overcome the elastic force of the elastic member 400 and rotate the pipe joint portion 220 so that the two blocks 221 are aligned with the two notches 310 respectively;

5. Take out the two blocks 221 from the second cavity 112, at this time the female pipe joint 100 and the male pipe joint 200 have been disassembled.

The water heater according to the embodiment of the second aspect of the present invention includes the pipe connection assembly according to the embodiment of the first aspect of the present invention, and further includes an inner pipe and a water heater casing, the inner pipe is located in the water heater casing, and is used for Input fluid to the core component of the water heater, the inner pipe is sealed with the first adapter 500, and through the two mounting holes 121, the female pipe joint 100 is installed in the water heater shell, the first adapter 500 is A cavity 111 is directly communicated with the outside world; since the main pipe joint 100 is embedded in the water heater shell, there is no protruding pipe connection structure on the outside of the water heater, and the appearance is more clean. It should be further explained that the manufacturer has installed the female pipe joint 100 in the water heater shell in advance, and the user only needs to connect the male pipe joint 200 with external pipes to the female pipe joint 100, and after the connection is completed , the water heater can be used normally.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the technical field, the present utility model can also be used without departing from the purpose of the present utility model. make various changes.

Claims (10)

1. A pipe joint assembly, comprising:

the main pipe joint is internally provided with a first pipeline, the first pipeline is internally provided with a limiting table, the limiting table is provided with a flow guide through hole with at least one notch, the first pipeline forms a first cavity and a second cavity through the limiting table, an elastic piece is arranged in the second cavity, and the elastic direction of the elastic piece points to the bottom of the limiting table;

a second pipeline is arranged in the male pipe joint, a pipe joint part used for penetrating through the flow guide through hole is arranged at one end of the male pipe joint, and a clamping block matched with the notch is arranged on the pipe joint part; and when all the clamping blocks are in limited clamping connection with the bottom of the limiting table, the second pipeline is communicated with the second cavity.

2. The pipe joint assembly according to claim 1, wherein: the size of the first cavity is larger than that of the second cavity, and the number of the clamping blocks is not more than that of the notches.

3. The pipe joint assembly according to claim 1 or 2, wherein: at least one groove used for limiting the fixture block is formed in the bottom of the limiting table, and all the grooves are arranged in a staggered mode with all the notches.

4. A pipe joint assembly according to claim 3, wherein: the bottom of spacing platform is equipped with at least one inclined plane, every the inclined plane all is followed the breach extends to the recess.

5. The pipe joint assembly according to claim 1, wherein: and the other end of the male pipe joint is hermetically connected with a second adapter piece internally provided with a fourth pipeline, and the fourth pipeline is communicated with the second pipeline.

6. The pipe joint assembly according to claim 1, wherein: and a gasket is arranged between the elastic piece and the limiting table.

7. The pipe joint assembly according to claim 1, wherein: and the end of the main pipe joint, which is far away from the first cavity, is hermetically connected with a first adapter with a built-in third pipeline, and the third pipeline is communicated with the second cavity.

8. The pipe joint assembly according to claim 7, wherein: the elastic piece is arranged between the first transfer piece and the limiting table.

9. The pipe joint assembly according to claim 1, wherein: the end, close to the first cavity, of the main pipe joint is provided with a mounting plate, and the mounting plate is provided with two mounting holes.

10. A water heater including the pipe joint assembly according to any one of claims 1 to 6, further comprising: the water heater comprises an internal pipeline and a water heater shell, wherein a first adapter with a built-in third pipeline is hermetically connected to one end, far away from the first cavity, of a main pipe joint, the third pipeline is communicated with the second cavity, an installation plate is arranged at one end, close to the first cavity, of the main pipe joint, and two installation holes are formed in the installation plate; the internal pipeline is connected with the first adapter in a sealing mode, the main pipe joint is installed in the water heater shell through the two installation holes, and the first cavity is directly communicated with the outside.

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