CN219549888U - Water inlet joint assembly of external water pipe - Google Patents
Water inlet joint assembly of external water pipe Download PDFInfo
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- CN219549888U CN219549888U CN202320847172.7U CN202320847172U CN219549888U CN 219549888 U CN219549888 U CN 219549888U CN 202320847172 U CN202320847172 U CN 202320847172U CN 219549888 U CN219549888 U CN 219549888U
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Abstract
The utility model provides a water inlet joint assembly externally connected with a water pipe, which comprises: a water inlet joint, an outer connecting pipe and a piston group; the water inlet joint is provided with a first water inlet channel, a second water inlet channel and a water outlet channel; the piston group is arranged in the inner cavity of the water inlet joint, the piston group is provided with a first state and a second state, and the external pipe is inserted into or pulled out of the first water inlet channel, so that the piston group is switched between the first state and the second state, and any waterway communication is realized between the first water inlet channel and the water outlet channel and between the second water inlet channel and the water outlet channel. When the water inlet device is used, the water inlet device can be installed on a water machine for use, the second water inlet channel is connected with a water tank of the water machine, the first water inlet channel is connected with an external water source through the external connecting pipe, the waterway switching is completed through the insertion and the extraction of the external connecting pipe, the condition that water in the water machine flows out from the first water inlet channel after the external connecting pipe is extracted is effectively prevented, the water inlet device is convenient to use, and meanwhile, the user experience is improved.
Description
Technical Field
The utility model relates to the technical field of waterway assemblies, in particular to a water inlet joint assembly of an external water pipe applied to a water machine.
Background
Along with the improvement of the living standard of people, an external water source is added on the water machine for the convenience of life, so that the living demands of all people can be met, and users can select to use tap water or water of the water machine.
However, most of the water machines on the market at present use one-way valve joints and straight-through joints, the one-way valve joints are used, the water tank and an external water source are troublesome to switch, and after the straight-through joints are used, the external connecting pipe is pulled out, water existing in the pipe can flow out, so that the subsequent use is affected.
To solve this problem, the applicant proposes the following improved technique.
Disclosure of Invention
In view of this, the present utility model provides a water inlet connector assembly for an external water pipe.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a water inlet connector assembly for an external water pipe, comprising: a water inlet joint, an outer connecting pipe and a piston group; the water inlet joint is provided with a first water inlet channel, a second water inlet channel and a water outlet channel, and the first water inlet channel, the second water inlet channel and the water outlet channel are communicated in an inner cavity of the water inlet joint; the outer connecting pipe can be inserted into the first water inlet channel or pulled out of the first water inlet channel; the piston group is arranged in the inner cavity of the water inlet joint, the piston group is provided with a first state and a second state, and the external pipe is inserted into or pulled out of the first water inlet channel, so that the piston group is switched between the first state and the second state, and any waterway communication is realized between the first water inlet channel and the water outlet channel and between the second water inlet channel and the water outlet channel.
When the product is used, the product can be installed on a water machine for use, the second water inlet channel is connected with a water tank of the water machine, and the first water inlet channel is connected with an external water source through an external connecting pipe; after the external connecting pipe is inserted, the piston group is in a second state, the second water inlet channel is closed, and meanwhile, the first water inlet channel is communicated with the water channel waterway, so that an external water source is used; after the external pipe is pulled out, the piston group is restored to the first state, the first water inlet channel is closed, meanwhile, the second water inlet channel is communicated with the water outlet channel in a waterway mode, a water source in the water tank is used, waterway switching is completed through insertion and pulling out of the external pipe, meanwhile, the condition that water in the water machine flows out from the first water inlet channel after the external pipe is pulled out is effectively prevented, the use is convenient, and meanwhile, user experience is improved.
As a preferred aspect of the present utility model, the piston group includes: a piston rod, a sealing sleeve and a spring; the moving direction of the piston rod in the inner cavity is consistent with the direction of inserting/extracting the external pipe into/from the first water inlet channel; the sealing sleeve moves along with the piston rod to block the first water inlet channel or the second water inlet channel; the piston group is characterized in that the piston group is limited in specific structure, the sealing sleeve is used for sealing the first water inlet channel in the first state, the sealing sleeve is used for sealing the second water inlet channel in the second state, and the external connection pipe is inserted into the first water inlet channel and pushes the piston rod to move at the same time, so that the piston group is switched from the first state to the second state.
As a preferable scheme of the utility model, the piston rod is provided with a groove for installing the sealing sleeve, and two ends of the piston rod can be respectively inserted into the first water inlet channel and the second water inlet channel; the spring is sleeved on the piston rod and provides force for sealing the first water inlet channel by the sealing sleeve; the piston rod both ends insert in first water inlet channel and second water inlet channel, make the piston rod spacing in the inside cavity, can only remove in the installation direction of takeover outward.
As a preferable scheme of the utility model, the first end of the piston rod is inserted into the first water inlet channel, a water flow channel is formed in the first end of the piston rod, a piston rod water outlet is formed in the peripheral wall of the first end of the piston rod, and the first water inlet channel and the water outlet channel are connected through the water flow channel.
As a preferred aspect of the present utility model, the water inlet joint includes: the main shell and the shell cover are combined, the internal cavity is formed inside the combined main shell and the shell cover, and a sealing ring is arranged between the main shell and the shell cover; the split type structure of water inlet connector is convenient for the quick installation of the piston group, and the sealing ring can play a role in leakage prevention.
The main shell is provided with a first sleeve to form a first water inlet channel, and the main shell is provided with a water outlet sleeve to form a water outlet channel;
the shell cover is provided with a second sleeve to form a second water inlet channel.
As a preferable scheme of the utility model, the external connection pipe is arranged in a hollow mode, and a sealing ring is arranged between the outer wall of the external connection pipe and the inner wall of the first sleeve, and plays a role in sealing and leakage prevention.
In a preferred aspect of the present utility model, the external connection pipe is in rotationally locked connection with the first sleeve, so that the external connection pipe can be prevented from exiting the first water inlet channel under the action of the reverse acting force and the water pressure of the piston rod.
As a preferable scheme of the utility model, a buckling part and a buckling groove are correspondingly arranged between the outer connecting pipe and the first sleeve, a locking mode between the outer connecting pipe and the first sleeve is limited, and the locking device is simple in structure and convenient to assemble and disassemble.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. the utility model has simple structure, the first water inlet channel is inserted into or pulled out of the external connection pipe, the trigger piston group is switched between the first state and the second state, the water outlet channel is communicated with the first water inlet channel and the external water source, or the water outlet channel is communicated with the second water inlet channel, the water tank of the water machine is connected, and the external water source and the water tank water source are conveniently switched;
2. according to the utility model, after the first water inlet channel is pulled out of the external connection pipe, the first water inlet channel is closed through the piston group, water flow can not flow out of the first water inlet channel any more, water can not flow out of the machine, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the water inlet connector assembly of the external water pipe of the present utility model;
FIG. 2 is a schematic view of the split structure of the extension pipe and the water inlet joint in the present utility model;
FIG. 3 is an exploded view of the water inlet connector assembly of the outer water receiving tube of the present utility model;
FIG. 4 is a schematic cross-sectional view of the extension tube of the present utility model after insertion into a water inlet fitting;
FIG. 5 is a schematic cross-sectional view of the present utility model prior to insertion of an extension tube into a water inlet fitting.
Reference numerals illustrate:
| inlet fitting 100 | First water inlet channel 101 | Second water inlet channel 102 | The water outlet passage 103 |
| Internal cavity 104 | Main housing 110 | First sleeve 111 | Fastening groove 1111 |
| Water outlet sleeve 112 | Shell cover 120 | Second sleeve 121 | Sealing ring A130 |
| External connection pipe 200 | Sealing ring B210 | Fastening part 220 | |
| Piston group 300 | Piston rod 310 | Groove 311 | Water flow channel 312 |
| Piston rod water outlet 313 | Sealing sleeve 320 | Spring 330 |
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Referring to fig. 1-3, a water inlet connector assembly for an external water pipe, comprising: a water inlet joint 100, an outer connecting pipe 200 and a piston group 300; the water inlet joint 100 is provided with a first water inlet channel 101, a second water inlet channel 102 and a water outlet channel 103, and the first water inlet channel 101, the second water inlet channel 102 and the water outlet channel 103 are communicated in an inner cavity 104 of the water inlet joint 100; the extension pipe 200 may be inserted into the first water inlet passage 101 or withdrawn from the first water inlet passage 101; the piston set 300 is installed in the inner cavity 104 of the water inlet connector 100, the piston set 300 has a first state and a second state, the outer connecting pipe 200 is inserted into or pulled out of the first water inlet channel 101, so that the piston set 300 is switched between the first state and the second state, and any one waterway between the first water inlet channel 101 and the water outlet channel 103, and between the second water inlet channel 102 and the water outlet channel 103 is communicated.
The water inlet joint component of the external water pipe is arranged on the water machine, the second water inlet channel 102 is connected with a water tank in the water machine, and the water outlet channel 103 is a water pump connected with the water machine.
The water inlet joint component of the external water pipe can form two waterways, wherein the first waterway is a first water inlet channel 101 communicated with a water outlet channel 103, and an external water source is used; the second waterway is a water source in the water tank, the second water inlet channel 102 is communicated with the water outlet channel 103, and a user can select to use an external water source of the first waterway or a water tank water source of the second waterway according to use requirements.
As shown in fig. 5, the first water inlet channel 101, the second water inlet channel 102 and the water outlet channel 103 are all connected in the inner cavity 104 of the water inlet joint 100.
When in use, as shown in fig. 4, the outer connecting pipe 200 is inserted into the first water inlet channel 101, the outer connecting pipe 200 pushes the piston group 300 to switch from the first state to the second state, the second water inlet channel 102 is closed, meanwhile, the first water inlet channel 101 is communicated with a first waterway formed by the water outlet channel 103, the water pump pumps an external water source, and the water flow direction of the first waterway is shown as the arrow direction in fig. 4; as shown in fig. 5, after the extension tube 200 is pulled out, the piston assembly 300 is restored to the first state, the first water inlet channel 101 is closed, meanwhile, the second water inlet channel 102 is communicated with a second water channel formed by the water outlet channel 103, and the water pump pumps water in the water tank, and the water flow direction of the second water channel is shown as the arrow direction in fig. 5.
Through the above, simple and rapid water source switching can be realized, and the use requirement of a user is met; and after switching to the water tank water source, water does not flow out from the first water inlet passage 101.
Further, the piston group 300 includes: a piston rod 310, a sealing sleeve 320 and a spring 330; the moving direction of the piston rod 320 in the inner cavity 104 is consistent with the direction of the outer adapter 200 being inserted into/pulled out of the first water inlet channel 101; the sealing sleeve 320 moves along with the piston rod 310 to seal the first water inlet channel 101 or the second water inlet channel 102.
The piston rod 310 is in a rod shape, the sealing sleeve 310 is in a disc shape, one end of the spring 330 is limited on the piston rod 310, the other end of the spring 330 is limited on one inner wall inside the water inlet joint 100, and the spring 330 provides an acting force for resetting the piston rod 310 from the second state to the first state.
Further, a groove 311 for installing the sealing sleeve 320 is formed on the piston rod 310, and two ends of the piston rod 310 can be inserted into the first water inlet channel 101 and the second water inlet channel 102 respectively; the spring 330 is sleeved on the piston rod 310, and the spring 330 provides force for sealing the first water inlet channel 101 by the sealing sleeve 320; the two ends of the piston rod 310 are inserted into the first water inlet channel 101 and the second water inlet channel 102, so that the piston rod 310 is limited in the inner cavity 104 and can only move in the installation direction of the outer joint pipe 200.
Further, the first end of the piston rod 310 is inserted into the first water inlet channel 101, a water flow channel 312 is formed inside the first end of the piston rod 310, a piston rod water outlet 313 is arranged on the peripheral wall of the first end of the piston rod 310, and the first water inlet channel 101 is connected with the water outlet channel 103 through the water flow channel 312.
Specifically, referring to fig. 3-4, the piston rod 310 is provided with an annular groove 311 at about the middle, the sealing sleeve 320 is disc-shaped, and is mounted and restrained in the groove 311 so as not to move along the length direction of the piston rod 310; the seal cartridge 320 has a ring of ribs formed at the outer edges of the upper and lower surfaces thereof, respectively, to facilitate contact sealing with the wall surface.
The sealing sleeve 320 may be made of a silicone material.
In the second state, as shown in fig. 4, the piston rod 310 moves rightward, the spring 330 is compressed, and the lower surface of the sealing sleeve 320 is abutted against the end surface of the second sleeve 121, so that the second water inlet passage 102 is closed and the first water passage is connected.
As shown in fig. 5, when the first state is switched, the piston rod 310 moves left under the elastic force of the spring 330, the upper surface of the sealing sleeve 320 abuts against the end surface of the first sleeve 111, the first water inlet channel 101 is closed, and the second water channel is connected.
As shown in fig. 4, the first waterway is composed of the first water inlet channel 101, the water flow channel 312, the piston rod water outlet 313 and the water outlet channel 103, and the water flow channel 312 is provided in the piston rod 310 to assist the water flow, which is one of the ways of assisting the water outlet of the piston rod 310.
Further, the water inlet joint 100 includes: the combined main shell 110 and the shell cover 120 are internally formed into the internal cavity 104, and a sealing ring A130 is arranged between the main shell 110 and the shell cover 120. The main housing 110 and the housing cover 120 are further fixed by screws after being combined.
Here, the water inlet connector 100 is designed into a split structure, so that the piston group 300 can be assembled conveniently, and the sealing ring a130 can play a role in leakage prevention.
The main housing 110 is provided with a first sleeve 111 to form a first water inlet channel 101, and the main housing 110 is provided with a water outlet sleeve 112 to form a water outlet channel 103;
the cover 120 is provided with a second sleeve 121 to form the second water inlet passage 102. As shown in fig. 4 and 5, in the second state, the sealing sleeve 330 of the piston set 300 abuts against the end face of the second sleeve 121; in the first state, the sealing sleeve 330 abuts against the end face of the first sleeve 111.
Further, the outer connecting tube 200 is arranged in a hollow mode, and a sealing ring B210 is arranged between the outer wall of the outer connecting tube 200 and the inner wall of the first sleeve 111, and the sealing ring B210 plays a role in sealing and leakage prevention. The extension tube 200 also forms a recess for the installation of the sealing ring B210.
In order to facilitate the insertion of the extension tube 200, the diameter of the front end of the extension tube 200 is smaller than the diameter of the first water inlet channel 101, and the front end of the extension tube 200 is also arc-shaped along the length direction of the extension tube 200, so as to facilitate the insertion of the extension tube 200.
As shown in fig. 4, the outer diameter of the front end of the piston rod 310 is the same as the diameter of the first water inlet channel 101, and when the outer tube 200 is inserted, the outer tube can contact with the front end surface of the piston rod 310 and push the piston rod 310 to move.
And the outer diameter of the front end of the piston rod 310 is the same as the diameter of the first water inlet channel 101, and in the process of switching the piston rod 310 between the first state and the second state, the front end of the piston rod 310 is inserted into the first water inlet channel 101, so that the piston rod 310 is limited. And the diameter of the end of the piston rod 310 is smaller than that of the second water inlet channel 102, so that a water flow gap is formed between the outer wall of the piston rod 310 and the inner wall surface of the second water inlet channel 102 after the end of the piston rod 310 is inserted into the second water inlet channel 102.
Further, the external connection pipe 200 is in a rotationally locked connection with the first sleeve 111, so that the external connection pipe 200 can be prevented from exiting the first water inlet channel 101 under the action of the reverse acting force and the water pressure of the piston rod 310.
Specifically, a fastening portion 220 and a fastening groove 1111 are disposed between the outer tube 200 and the first sleeve 111. As shown in fig. 2, the surface of the outer tube 200 is provided with a radially protruding fastening portion 220, the first sleeve 111 is provided with a fastening slot 1111 from the inlet end to the outlet end, the fastening slot 1111 is non-linearly arranged, and the tail end of the fastening slot 1111 forms a limiting end; when the extension tube 200 is installed, as shown in the direction of fig. 2, the fastening portion 220 is inserted into the first sleeve 111 to the left, and corresponds to the fastening slot 1111, the fastening portion 220 is fastened into the fastening slot 1111 along with the insertion of the extension tube 200 into the first sleeve 111, after the installation of the extension tube 200 is completed, the fastening portion 220 is located at the limiting end, and because the fastening slot 1111 is non-linear, under the reverse acting force of the piston rod 310, the fastening portion 220 is not pushed out of the fastening slot 1111, that is, the extension tube 200 is not pushed out of the first water inlet channel 101 under the reverse acting force of the piston rod 310.
When the extension tube 200 is pulled out, the extension tube 200 needs to be rotated by a certain angle, so that the fastening part 220 is separated from the limiting end, and then the extension tube 200 is pulled out by applying force.
As shown in fig. 1, a baffle is further disposed on the outer connection tube 200, and after the outer connection tube 200 is installed on the first sleeve 111, the baffle abuts against the end surface of the first sleeve 111, and at the same time, the exposed portion of the outer connection tube 200 can be connected with an external water source through a hose.
Through the technical scheme, the water tank and the external water source can be simply and rapidly switched, and water can not flow out from the machine after the external pipe 200 is pulled out, so that the user experience is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides an external water pipe's water joint subassembly that intakes which characterized in that: comprising the following steps: a water inlet joint, an outer connecting pipe and a piston group;
the water inlet joint is provided with a first water inlet channel, a second water inlet channel and a water outlet channel, and the first water inlet channel, the second water inlet channel and the water outlet channel are communicated in an inner cavity of the water inlet joint;
the outer connecting pipe can be inserted into the first water inlet channel or pulled out of the first water inlet channel;
the piston group is arranged in the inner cavity of the water inlet joint, the piston group is provided with a first state and a second state, and the external pipe is inserted into or pulled out of the first water inlet channel, so that the piston group is switched between the first state and the second state, and any waterway communication is realized between the first water inlet channel and the water outlet channel and between the second water inlet channel and the water outlet channel.
2. The water inlet connector assembly of claim 1 wherein: the piston group includes: a piston rod, a sealing sleeve and a spring; the moving direction of the piston rod in the inner cavity is consistent with the direction of inserting/extracting the external pipe into/from the first water inlet channel; the sealing sleeve moves along with the piston rod to block the first water inlet channel or the second water inlet channel.
3. The water inlet connector assembly of claim 2 wherein: the piston rod is provided with a groove for installing the sealing sleeve, and two ends of the piston rod can be inserted into the first water inlet channel and the second water inlet channel respectively; the spring is sleeved on the piston rod and provides force for sealing the first water inlet channel by the sealing sleeve.
4. The water inlet connector assembly of claim 2 wherein: the first end of the piston rod is inserted into the first water inlet channel, a water flow channel is formed in the first end of the piston rod, a piston rod water outlet is formed in the peripheral wall of the first end of the piston rod, and the first water inlet channel is connected with the water outlet channel through the water flow channel.
5. A water inlet fitting assembly for an extension tube as claimed in any one of claims 1 to 4 wherein: the water inlet joint comprises: the main shell and the shell cover are combined, the internal cavity is formed inside the combined main shell and the shell cover, and a sealing ring is arranged between the main shell and the shell cover;
the main shell is provided with a first sleeve to form a first water inlet channel, and the main shell is provided with a water outlet sleeve to form a water outlet channel;
the shell cover is provided with a second sleeve to form a second water inlet channel.
6. The water inlet connector assembly of claim 5 wherein: the external pipe is arranged in a hollow mode, and a sealing ring is arranged between the external pipe outer wall and the first sleeve inner wall.
7. The water inlet connector assembly of claim 5 wherein: the outer connecting pipe is connected with the first sleeve in a rotating locking way.
8. The water inlet connector assembly of claim 7 wherein: and a buckling part and a buckling groove are correspondingly arranged between the outer connecting pipe and the first sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847172.7U CN219549888U (en) | 2023-04-14 | 2023-04-14 | Water inlet joint assembly of external water pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847172.7U CN219549888U (en) | 2023-04-14 | 2023-04-14 | Water inlet joint assembly of external water pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549888U true CN219549888U (en) | 2023-08-18 |
Family
ID=87704930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320847172.7U Active CN219549888U (en) | 2023-04-14 | 2023-04-14 | Water inlet joint assembly of external water pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549888U (en) |
-
2023
- 2023-04-14 CN CN202320847172.7U patent/CN219549888U/en active Active
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