CN202614302U - Water meter connecting device - Google Patents

Water meter connecting device Download PDF

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Publication number
CN202614302U
CN202614302U CN2012201332833U CN201220133283U CN202614302U CN 202614302 U CN202614302 U CN 202614302U CN 2012201332833 U CN2012201332833 U CN 2012201332833U CN 201220133283 U CN201220133283 U CN 201220133283U CN 202614302 U CN202614302 U CN 202614302U
Authority
CN
China
Prior art keywords
water meter
nut
pipe
connecting tube
adapter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012201332833U
Other languages
Chinese (zh)
Inventor
毛和龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO SANJIU WATER METER CO Ltd
Original Assignee
NINGBO SANJIU WATER METER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGBO SANJIU WATER METER CO Ltd filed Critical NINGBO SANJIU WATER METER CO Ltd
Priority to CN2012201332833U priority Critical patent/CN202614302U/en
Application granted granted Critical
Publication of CN202614302U publication Critical patent/CN202614302U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

Abstract

The utility model relates to the technical field of tap water supply, in particular a water meter connecting device. The water meter connecting device comprises a coupling nut, wherein the coupling nut is in sleeve connection with a connecting tube, the connecting tube is in sleeve connection with a sleeving nut and a telescopic connecting tube, one end of the telescopic connecting tube is in threaded connection with the sleeving nut, a sealing ring is arranged between the sleeving nut and the telescopic connecting tube, the sealing ring is embedded in the outer wall of the connecting tube, the sealing end of the telescopic connecting tube is a cone-shaped port, and the outer outline and the inner outline of the sealing ring have a certain taper relative to the central axis of the connecting tube. When the water meter connecting device is used, by using the tapered sealing ring, the sealing property of water meter connection is improved, and water leakage can be effectively prevented; and meanwhile, because of large contact area of the sealing ring and the connecting tube, the static friction force is increased, and the water meter connecting device can bear higher water pressure without separating. In addition, the tapered sealing ring can effectively compensate surface defects caused by the connecting tube in a machining process. The water meter connecting device has the advantages of simple structure, reasonable setting, low manufacture cost and the like.

Description

A kind of water meter coupling arrangement
Technical field
The utility model relates to the tap water supply technical field, particularly a kind of water meter coupling arrangement.
Background technology
At present, the connection of water meter adopts short tube to connect usually in the water supply industry, and is this simple in structure, but has some defectives in the practical operation.Such as: when changeing water meter, because the position between water meter and the feed pipe is relatively-stationary, the stroke that connects short tube is minimum; Very inconvenient during assembling water meter sealing gasket, and easily original damage of components, thereby cause leaking; Not only influence water supply process, and cause water resource waste.Gu how to make things convenient for the installation water meter, how to guarantee that the problems such as sealing property that water meter connects have become the focus of research in the industry.
The utility model content
The purpose of the utility model is defective and the deficiency to prior art, and water meter coupling arrangement a kind of simple in structure, reasonable in design, easy to use is provided.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is:
The described a kind of water meter coupling arrangement of the utility model; Comprise coupling nut; Said coupling nut is socketed with adapter, and said adapter is socketed with sleeve nut and flexible adapting pipe, and an end of said flexible adapting pipe is threaded with said sleeve nut; Be provided with O-ring seal between said sleeve nut and the said flexible adapting pipe; Said O-ring seal is nested in to be taken on the outer wall, and the sealed end of said flexible adapting pipe is the taper port, and the outer surface line of said O-ring seal and inside surface line have certain taper with respect to the central axis of taking over.
Further, the external conical surface line of said O-ring seal is 15 °~60 ° with the angle of taking over central axis, and the circular cone inside surface line of said O-ring seal is 1 °~3 ° with the angle of taking over central axis.
Further, said sleeve nut has a pipe inner end wall, and the end that said O-ring seal is bigger is the sealing termination, and said sealing termination is exposed to outside the taper port of flexible adapting pipe, and the end face and the said pipe inner end wall surface of sealing termination fit tightly.
Further; It is pipe end that said adapter has a large diameter end, and the end that said adapter has minor diameter is a body, and said coupling nut has one and connects inner end wall; Said pipe end places in the coupling nut, and the pipe end inner wall surface with connect the inner end wall surface and fit tightly.
Further, be provided with pad in the said coupling nut, said pad is close to the pipe end outside surface.
Further, said flexible adapting pipe outer circle wall is provided with polygonal nut.
After adopting said structure; The utility model beneficial effect is: the described a kind of water meter coupling arrangement of the utility model, comprise coupling nut, and said coupling nut is socketed with adapter; Said adapter is socketed with sleeve nut and flexible adapting pipe; One end of said flexible adapting pipe is threaded with said sleeve nut, is provided with O-ring seal between said sleeve nut and the said flexible adapting pipe, and said O-ring seal is nested in to be taken on the outer wall; The sealed end of said flexible adapting pipe is the taper port, and the outer surface line of said O-ring seal and inside surface line have certain taper with respect to the central axis of taking over.When using the utility model,, improved the sealing property that water meter connects, can prevent effectively to leak through using conical seal ring; Simultaneously,, increased its stiction, so made the water meter unitor can bear higher hydraulic pressure and can not throw off because the contact area of sealing circle and adapter is big.In addition, conical seal ring can also compensate the surface imperfection that adapter produces effectively in process.The utlity model has simple in structurely, be provided with rationally, advantage such as cost of manufacture is low.
Description of drawings
Fig. 1 is first kind of preferred structure synoptic diagram of the utility model;
Fig. 2 is second kind of preferred structure synoptic diagram of the utility model;
Fig. 3 is the amplification view of O-ring seal;
Description of reference numerals:
1, coupling nut; 11, connect inner end wall; 2, take over; 21, pipe end; 22, body; 3, sleeve nut; 31, pipe inner end wall; 4, flexible adapting pipe; 41, taper port; 42, polygonal nut; 5, O-ring seal; 51, sealing termination; 6, pad; The external conical surface line of α, O-ring seal and the angle of taking over central axis; The circular cone inside surface line of β, O-ring seal and the angle of taking over central axis.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, the described a kind of water meter coupling arrangement of the utility model comprises coupling nut 1; Said coupling nut 1 is socketed with takes over 2; Said adapter 2 is socketed with sleeve nut 3 and flexible adapting pipe 4, and an end of said flexible adapting pipe 4 is threaded with said sleeve nut 3, is provided with O-ring seal 5 between said sleeve nut 3 and the said flexible adapting pipe 4; Said O-ring seal 5 is nested in to be taken on 2 outer walls; The sealed end of said flexible adapting pipe 4 is a taper port 41, and the outer surface line of said O-ring seal 5 and inside surface line have certain taper, the agent structure of above-mentioned formation the utility model with respect to the central axis of taking over 2.
Said sleeve nut 3 has a pipe inner end wall 31; Said O-ring seal 5 bigger ends are sealing termination 51; Said sealing termination 51 is exposed to outside the taper port 41 of flexible adapting pipe 4; And the end face and said pipe inner end wall 31 surfaces of sealing termination 51 fit tightly, and can improve the sealing property that pipeline connects like this.
It is pipe end 21 that said adapter 2 has a large diameter end; The end that said adapter 2 has minor diameter is a body 22; Said coupling nut 1 has one and connects inner end wall 11; Said pipe end 21 places in the coupling nut 1, and pipe end 21 inner wall surface fit tightly with connecting inner end wall 11 surfaces, can improve the sealing property that pipeline connects like this.
Said flexible adapting pipe 4 outer circle walls are provided with polygonal nut 42, and polygonal nut 42 can be four jiaos or hexagonal, anise, thereby makes the dismounting easily in use of this water meter coupling arrangement.As first kind of preferred embodiment of the utility model, as shown in Figure 1, polygonal nut 42 is provided with the centre position of flexible adapting pipe 4; As second kind of preferred embodiment of the utility model, as shown in Figure 2, polygonal nut 42 is provided with the other end one end of taper port 41 (promptly away from) of flexible adapting pipe 4; Its set positions is not limited to above-mentioned two kinds of positions, so long as it is just passable to be convenient to the position of installation personnel operation.
As first kind of preferred embodiment of the utility model, as shown in Figure 1, the screw thread of the other end of said flexible adapting pipe 4 end of taper port 41 (promptly away from) is the conical tube external thread.As second kind of preferred embodiment of the utility model, as shown in Figure 2, the screw thread of the other end of said flexible adapting pipe 4 end of taper port 41 (promptly away from) is the conical tube internal thread.The water meter coupling arrangement of above-mentioned two instances can be that Taper Pipe internal thread and the externally threaded water pipe of Taper Pipe, valve etc. cooperate with the termination respectively, thereby enlarges its range of application, and being processed into taper pipe thread is in order to improve the sealing property of its junction, to prevent seepage.
As shown in Figure 3, the external conical surface line of said O-ring seal 5 is 15 °~60 ° with the angle of taking over 2 central axis, and its angle can effectively improve its sealing property; The circular cone inside surface line of said O-ring seal 5 is 1 °~3 ° with the angle β that takes over 2 central axis; Be generally galvanized conduit because take over 2; In actual process; Galvanized conduit possibly produce defectives such as deviation from cylindrical form is bigger, and its angle β can effectively compensate the surface imperfection that adapter 2 produces in process, thereby guarantees its sealing property.
Be provided with pad 6 in the said coupling nut 1, said pad 6 is close to pipe end 21 outside surfaces, and this pad 6 can improve its sealing property when connecting with water meter, prevents effectively to leak.
When connecting water meter, not only can reach excellent sealing performance, guarantee when connecting, can not leak, and O-ring seal also can increase its stiction, make the water meter unitor can bear higher hydraulic pressure and can not throw off with the utility model.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above only is the preferred embodiments of the utility model, so all equivalences of doing according to the described structure of the utility model patent claim, characteristic and principle change or modify, includes in the utility model patent claim.

Claims (6)

1. water meter coupling arrangement; Comprise coupling nut (1); Said coupling nut (1) is socketed with adapter (2), it is characterized in that: said adapter (2) is socketed with sleeve nut (3) and flexible adapting pipe (4), and an end of said flexible adapting pipe (4) is threaded with said sleeve nut (3); Be provided with O-ring seal (5) between said sleeve nut (3) and the said flexible adapting pipe (4); Said O-ring seal (5) is nested on adapter (2) outer wall, and the sealed end of said flexible adapting pipe (4) is taper port (41), and the outer surface line of said O-ring seal (5) and inside surface line have certain taper with respect to the central axis of taking over (2).
2. a kind of water meter coupling arrangement according to claim 1; It is characterized in that: the angle (α) of the external conical surface line of said O-ring seal (5) and adapter (2) central axis is 15 °~60 °, and the angle (β) of the circular cone inside surface line of said O-ring seal (5) and adapter (2) central axis is 1 °~3 °.
3. a kind of water meter coupling arrangement according to claim 1; It is characterized in that: said sleeve nut (3) has a pipe inner end wall (31); The end that said O-ring seal (5) is bigger is sealing termination (51); Said sealing termination (51) is exposed to outside the taper port (41) of flexible adapting pipe (4), and the end face and said pipe inner end wall (31) surface of sealing termination (51) fit tightly.
4. according to the arbitrary described a kind of water meter coupling arrangement of claim 1-3; It is characterized in that: it is pipe end (21) that said adapter (2) has a large diameter end; The end that said adapter (2) has minor diameter is body (22); Said coupling nut (1) has one and connects inner end wall (11), and said pipe end (21) places in the coupling nut (1), and pipe end (21) inner wall surface with connect inner end wall (11) surface and fit tightly.
5. a kind of water meter coupling arrangement according to claim 4 is characterized in that: be provided with pad (6) in the said coupling nut (1), said pad (6) is close to pipe end (21) outside surface.
6. according to claim 1 or 3 described a kind of water meter coupling arrangements, it is characterized in that: said flexible adapting pipe outer circle wall is provided with polygonal nut (42).
CN2012201332833U 2012-03-29 2012-03-29 Water meter connecting device Expired - Fee Related CN202614302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201332833U CN202614302U (en) 2012-03-29 2012-03-29 Water meter connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201332833U CN202614302U (en) 2012-03-29 2012-03-29 Water meter connecting device

Publications (1)

Publication Number Publication Date
CN202614302U true CN202614302U (en) 2012-12-19

Family

ID=47347992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201332833U Expired - Fee Related CN202614302U (en) 2012-03-29 2012-03-29 Water meter connecting device

Country Status (1)

Country Link
CN (1) CN202614302U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107101073A (en) * 2016-02-19 2017-08-29 卡尔蔡司工业测量技术有限公司 Compensating element, coordinate measuring apparatus and installation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107101073A (en) * 2016-02-19 2017-08-29 卡尔蔡司工业测量技术有限公司 Compensating element, coordinate measuring apparatus and installation method
CN107101073B (en) * 2016-02-19 2019-08-20 卡尔蔡司工业测量技术有限公司 Compensating element, coordinate measuring apparatus and installation method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121219

Termination date: 20130329