CN205278611U - Connecting structure of water container and water inlet and outlet pipe - Google Patents

Connecting structure of water container and water inlet and outlet pipe Download PDF

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Publication number
CN205278611U
CN205278611U CN201521061138.9U CN201521061138U CN205278611U CN 205278611 U CN205278611 U CN 205278611U CN 201521061138 U CN201521061138 U CN 201521061138U CN 205278611 U CN205278611 U CN 205278611U
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China
Prior art keywords
water
inlet
outlet
pipe
joint
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CN201521061138.9U
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Chinese (zh)
Inventor
姚剑林
吴季华
贾玉龙
***
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Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
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Priority to CN201521061138.9U priority Critical patent/CN205278611U/en
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Publication of CN205278611U publication Critical patent/CN205278611U/en
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Abstract

The utility model discloses a connection structure of water container and business turn over water pipe, it includes the switching joint, business turn over water swivel, inner bag and business turn over water pipe, the first end of business turn over water swivel and the middle section fixed connection of inner bag, the second pot head of business turn over water swivel is in the inside of switching joint, and the outer wall of business turn over water swivel is equipped with the external screw thread, the inner wall of switching joint is equipped with the internal thread with thread fit, the inner wall of switching joint is equipped with the first annular arch corresponding with the terminal surface of business turn over water swivel's second end, form the location annular between the terminal surface of second end and the first annular arch, business turn over water pipe box is in switching joint and business turn over water swivel, and the outer wall of business turn over water pipe is equipped with protruding with. According to the configuration, the utility model provides a pair of connection structure of water courage and business turn over water pipe, it can be avoided among the prior art because of adopting the internal thread structure to connect the problem that appears connecting deformation and enamel layer pollutes easily.

Description

A kind of attachment structure of water gallbladder and water inlet pipe and water outlet pipe
Technical field
This utility model relates to water gallbladder technical field, more particularly, it relates to the attachment structure of a kind of water gallbladder and water inlet pipe and water outlet pipe.
Background technology
The inner bag water pipe head of hot water supply apparatus of the prior art adopts female thread structure, and joint plane contacts with inner bag cambered surface, and by being welded to connect, processes through enamel after welding.
In existing structure, water pipe head and water pipe are attached by female thread, because being subject to high temperature sintering, female thread occurs that deformation and enamel layer pollute, often result in water pipe head and water pipe stuck in fastener cycle, thus causing water tank entirety to scrap, waste huge; And inner bag of the prior art water pipe head place easily occurs poorly sealed, and cause the problem leaked.
Additionally, easily there is weld seam out-of-flatness in water gallbladder joint of the prior art welding, after enamel sinters, it is easy to occur because the enamel that plane and cambered surface cause in conjunction with bad and weld seam out-of-flatness lacks porcelain problem.
Utility model content
In view of this, the purpose of this utility model is in that the attachment structure providing a kind of water gallbladder with water inlet pipe and water outlet pipe, its problem that can avoid easily occurring that connection deforms and enamel layer pollutes because adopting female thread structure to connect in prior art.
A kind of water gallbladder of this utility model offer and the attachment structure of water inlet pipe and water outlet pipe, including adapter coupling, Inlet and outlet water joint, inner bag and water inlet pipe and water outlet pipe, first end of described Inlet and outlet water joint is fixing with the stage casing of described inner bag to be connected, second end of described Inlet and outlet water joint is enclosed within the inside of described adapter coupling, and the outer wall of described Inlet and outlet water joint is provided with external screw thread, the inwall of described adapter coupling is provided with the female thread coordinated with described external screw thread, the inwall of described adapter coupling is provided with the first annular projection corresponding with the end face of the second end of described Inlet and outlet water joint, positioning ring groove is formed between end face and the described first annular projection of described second end, described water inlet pipe and water outlet pipe is enclosed within described adapter coupling and described Inlet and outlet water joint, and the outer wall of described water inlet pipe and water outlet pipe is provided with the positioning convex matched with described positioning ring groove.
Preferably, between end face and the described positioning convex of described second end, clamping has the first sealing gasket.
Preferably, described water inlet pipe and water outlet pipe is provided with step surface near the position of the first end of described Inlet and outlet water joint, the inwall of described Inlet and outlet water joint is provided with second annular protrusion corresponding with described step surface, and between described step surface and described second annular protrusion, clamping has the second sealing gasket.
Preferably, being embedded to the connecting hole in the stage casing of described inner bag in the first end of described Inlet and outlet water joint, and the outer wall of described Inlet and outlet water joint is provided with the 3rd annular protrusion, the described side of the 3rd annular protrusion is connected with the edge sidewall of described connecting hole.
Preferably, described Inlet and outlet water joint welds together with the edge sidewall of described connecting hole.
Preferably, the end face of described adapter coupling contacts with the another side of described 3rd annular protrusion.
Preferably, described first sealing gasket and the second sealing gasket are rubber seal, silica gel sealing ring or sealed nylon circle.
A kind of water gallbladder of this utility model offer and the attachment structure of water inlet pipe and water outlet pipe, including adapter coupling, Inlet and outlet water joint, inner bag and water inlet pipe and water outlet pipe. wherein, first end of Inlet and outlet water joint is fixing with the stage casing of inner bag to be connected, second end of Inlet and outlet water joint is enclosed within the inside of adapter coupling, and the outer wall of Inlet and outlet water joint is provided with external screw thread, the inwall of adapter coupling is provided with the female thread coordinated with external screw thread, the inwall of adapter coupling is provided with the first annular projection that the end face of the second end with Inlet and outlet water joint is corresponding, positioning ring groove is formed between end face and the first annular projection of the second end, water inlet pipe and water outlet pipe is enclosed within adapter coupling and described Inlet and outlet water joint, and the outer wall of water inlet pipe and water outlet pipe is provided with the positioning convex matched with positioning ring groove. so arrange, water inlet pipe and water outlet pipe passes through the fixedly sleeved inside at adapter coupling and Inlet and outlet water joint of positioning convex, owing to having changed Inlet and outlet water joint into external thread form, adapter coupling coordinates for screw-threaded engagement form with Inlet and outlet water joint, increase flight pitch, reduce screw thread quantity, it is to avoid enamel layer pollutes, solve the problem that screw thread is stuck. and, adapter coupling and water inlet pipe and water outlet pipe need not adopt sintering enamelled, are absent from oxidized situation, it is ensured that sealing surface smooth, thus ensureing the sealing effectiveness that water is examined.
In the preferred version that this utility model provides, being embedded to the connecting hole in the stage casing of inner bag, and the outer wall of Inlet and outlet water joint is provided with the 3rd annular protrusion in the first end of Inlet and outlet water joint, the side of the 3rd annular protrusion abuts with the edge sidewall of connecting hole. So arrange, the stage casing fit system of Inlet and outlet water joint Yu inner bag is changed into embedded after, after the two is located by connecting, gap therebetween can be effectively reduced, it is ensured that inner water tank enamel is the enamel effect of position herein after sintering.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The attachment structure sectional view of the water gallbladder that Fig. 1 provides for this utility model embodiment and water inlet pipe and water outlet pipe;
The Inlet and outlet water joint schematic diagram that Fig. 2 provides for this utility model embodiment;
Fig. 3 is A-A sectional view in Fig. 2;
Fig. 4 is B-B sectional view in Fig. 3.
Wherein, adapter coupling 11, Inlet and outlet water joint 12, inner bag 13, water inlet pipe and water outlet pipe 14, first annular protruding 15, positioning convex the 16, first sealing gasket the 17, second annular protrusion the 18, second sealing gasket the 19, the 3rd annular protrusion 20, external screw thread 21.
Detailed description of the invention
This detailed description of the invention provides the attachment structure of a kind of water gallbladder and water inlet pipe and water outlet pipe, its problem that can avoid easily occurring that connection deforms and enamel layer pollutes because adopting female thread structure to connect in prior art.
Hereinafter, with reference to accompanying drawing, embodiment is illustrated. Additionally, the utility model content described in claim is not played any restriction effect by embodiments illustrated below. It addition, the full content of the composition represented by example below is not limited to necessary to the solution as the utility model described in claim.
Referring to Fig. 1-Fig. 4, the attachment structure of a kind of water gallbladder and water inlet pipe and water outlet pipe that this specific embodiment provides, including adapter coupling 11, Inlet and outlet water joint 12, inner bag 13 and water inlet pipe and water outlet pipe 14.
Wherein, the first end of Inlet and outlet water joint 12 is fixing with the stage casing of inner bag 13 to be connected, and the second end of Inlet and outlet water joint 12 is enclosed within the inside of adapter coupling 11, and namely Inlet and outlet water joint 12 and adapter coupling 11 are all tubular structures, and local sleeve is together.
The outer wall of Inlet and outlet water joint 12 is provided with external screw thread 21, and the inwall of adapter coupling 11 is provided with the female thread coordinated with external screw thread 21, and the two is linked together by external screw thread 21 and the female thread cooperated. Additionally, the inwall of adapter coupling 11 is provided with first annular protruding 15 that the end face of the second end with Inlet and outlet water joint 12 is corresponding, between end face and first annular protruding 15 of the second end of Inlet and outlet water joint 12, there is gap, therebetween space forms a positioning ring groove, water inlet pipe and water outlet pipe 14 is enclosed within adapter coupling 11 and Inlet and outlet water joint 12, and the outer wall of water inlet pipe and water outlet pipe 14 is provided with the positioning convex 16 matched with positioning ring groove, positioning convex 16 is stuck in positioning ring groove, so achieves the fixing of water inlet pipe and water outlet pipe.
So arrange, water inlet pipe and water outlet pipe 14 is by the fixedly sleeved inside at adapter coupling 11 and Inlet and outlet water joint 12 of positioning convex 16, owing to having changed Inlet and outlet water joint 12 into external thread form, adapter coupling 11 coordinates for screw-threaded engagement form with Inlet and outlet water joint 12, increase flight pitch, reduce screw thread quantity, it is to avoid enamel layer pollutes, solve the problem that screw thread is stuck. And, adapter coupling 11 and water inlet pipe and water outlet pipe 14 need not adopt sintering enamelled, are absent from oxidized situation, it is ensured that sealing surface smooth, thus ensureing the sealing effectiveness that water is examined.
In order to improve sealing effectiveness, between end face and the positioning convex 16 of the second end of Inlet and outlet water joint 12, clamping has the first sealing gasket 17. Further, water inlet pipe and water outlet pipe 14 is provided with step surface near the position of the first end of Inlet and outlet water joint 12, the inwall of Inlet and outlet water joint 12 is provided with second annular protrusion 18 corresponding with the step surface of water inlet pipe and water outlet pipe 14, and between step surface and second annular protrusion 18 of water inlet pipe and water outlet pipe 14, clamping has the second sealing gasket 19.
So arranging, the two ends of water inlet pipe and water outlet pipe 14 and Inlet and outlet water joint 12 are extruded with two sealing gaskets, two sealing gaskets with the use of, during water inspection, water inlet pipe and water outlet pipe 14 and the two-sided compression of sealing gasket, be effectively increased sealing effectiveness.
It should be noted that above-mentioned first sealing gasket 17 and the second sealing gasket 19 can be rubber seal, silica gel sealing ring or sealed nylon circle etc.
Additionally, for the enamel effect after the connection of the inner bag 13 and Inlet and outlet water joint 12 that ensure water tank, the connecting hole in the stage casing of inner bag 13 it is embedded in first end of Inlet and outlet water joint 12, and the outer wall of Inlet and outlet water joint 12 is provided with the 3rd annular protrusion 20, the side of the 3rd annular protrusion 20 is connected with the edge sidewall of connecting hole, such as, can be linked together by the mode welded.
So arranging, the fit system in Inlet and outlet water joint 12 and inner bag 13 stage casing is changed in order to embedded, and after the two positioning welding, fit clearance is monolateral less than 0.1, it is ensured that the enamel effect of position herein after inner water tank 13 enamel sintering.
Additionally, cause with the threaded engagement place of Inlet and outlet water joint 12 threaded stuck problem in order to avoid impurity enters into adapter coupling 11, the end face of adapter coupling 11 and the another side of the 3rd annular protrusion 20 can contact, which reduce gap therebetween, and then avoid impurity and enter threaded engagement place and cause stuck problem.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model. The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments. Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.

Claims (7)

1. the attachment structure of a water gallbladder and water inlet pipe and water outlet pipe, it is characterized in that, including adapter coupling (11), Inlet and outlet water joint (12), inner bag (13) and water inlet pipe and water outlet pipe (14), first end of described Inlet and outlet water joint (12) is fixing with the stage casing of described inner bag (13) to be connected, second end of described Inlet and outlet water joint (12) is enclosed within the inside of described adapter coupling (11), and the outer wall of described Inlet and outlet water joint (12) is provided with external screw thread (21), the inwall of described adapter coupling (11) is provided with the female thread coordinated with described external screw thread (21), the inwall of described adapter coupling (11) is provided with the first annular projection (15) corresponding with the end face of the second end of described Inlet and outlet water joint (12), positioning ring groove is formed between end face and the described first annular projection (15) of described second end, described water inlet pipe and water outlet pipe (14) is enclosed within described adapter coupling (11) and described Inlet and outlet water joint (12), and the outer wall of described water inlet pipe and water outlet pipe (14) is provided with the positioning convex (16) matched with described positioning ring groove.
2. attachment structure as claimed in claim 1, it is characterised in that between end face and the described positioning convex (16) of described second end, clamping has the first sealing gasket (17).
3. attachment structure as claimed in claim 2, it is characterized in that, described water inlet pipe and water outlet pipe (14) is provided with step surface near the position of the first end of described Inlet and outlet water joint (12), the inwall of described Inlet and outlet water joint (12) is provided with second annular protrusion (18) corresponding with described step surface, and between described step surface and described second annular protrusion (18), clamping has the second sealing gasket (19).
4. attachment structure as claimed in claim 1, it is characterized in that, the connecting hole in the stage casing of described inner bag (13) it is embedded in first end of described Inlet and outlet water joint (12), and the outer wall of described Inlet and outlet water joint (12) is provided with the 3rd annular protrusion (20), the side of described 3rd annular protrusion (20) is connected with the edge sidewall of described connecting hole.
5. attachment structure as claimed in claim 4, it is characterised in that the edge sidewall of described Inlet and outlet water joint (12) and described connecting hole welds together.
6. attachment structure as claimed in claim 4, it is characterised in that the end face of described adapter coupling (11) contacts with the another side of described 3rd annular protrusion (20).
7. attachment structure as claimed in claim 2, it is characterised in that described first sealing gasket (17) and the second sealing gasket (19) are rubber seal, silica gel sealing ring or sealed nylon circle.
CN201521061138.9U 2015-12-17 2015-12-17 Connecting structure of water container and water inlet and outlet pipe Active CN205278611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521061138.9U CN205278611U (en) 2015-12-17 2015-12-17 Connecting structure of water container and water inlet and outlet pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521061138.9U CN205278611U (en) 2015-12-17 2015-12-17 Connecting structure of water container and water inlet and outlet pipe

Publications (1)

Publication Number Publication Date
CN205278611U true CN205278611U (en) 2016-06-01

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CN201521061138.9U Active CN205278611U (en) 2015-12-17 2015-12-17 Connecting structure of water container and water inlet and outlet pipe

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225243A (en) * 2016-08-26 2016-12-14 珠海格力电器股份有限公司 Water tank joint and water pipe assembly structure and water heater
CN116984827A (en) * 2023-09-28 2023-11-03 佛山市顺德区杰峰工业自动化有限公司 Welding positioning device and welding equipment for water pipe joint of inner container

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225243A (en) * 2016-08-26 2016-12-14 珠海格力电器股份有限公司 Water tank joint and water pipe assembly structure and water heater
CN116984827A (en) * 2023-09-28 2023-11-03 佛山市顺德区杰峰工业自动化有限公司 Welding positioning device and welding equipment for water pipe joint of inner container
CN116984827B (en) * 2023-09-28 2023-11-28 佛山市顺德区杰峰工业自动化有限公司 Welding positioning device and welding equipment for water pipe joint of inner container

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