CN212839894U - Flexible taper loose joint valve joint - Google Patents
Flexible taper loose joint valve joint Download PDFInfo
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- CN212839894U CN212839894U CN202021850697.9U CN202021850697U CN212839894U CN 212839894 U CN212839894 U CN 212839894U CN 202021850697 U CN202021850697 U CN 202021850697U CN 212839894 U CN212839894 U CN 212839894U
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Abstract
The utility model discloses a flexible tapering loose joint valve connects relates to loose joint and connects technical field, include: valve and set up the coupling assembling at the valve both ends respectively, coupling assembling includes: the valve comprises a first connecting pipe and a second connecting pipe detachably connected with the first connecting pipe, wherein one end of the first connecting pipe, which is far away from the second connecting pipe, is connected with the valve; the second connecting pipe includes big diameter section and little diameter section, big diameter section and little diameter section are the changeover portion of conical surface through the inner wall and connect, big diameter section is connected with first connecting pipe, first connecting pipe is close to second connecting pipe one end and is equipped with tapering elastic seal circle, the tapering of tapering elastic seal circle outer wall and the angle phase-match of the conical surface of changeover portion, this valve joint simple installation is convenient, adopt flexonics, both can be for the flexible deformation of pipeline provides the space, can guarantee the junction leakproofness again.
Description
Technical Field
The utility model relates to a loose joint connects technical field, concretely relates to flexible tapering loose joint valve connects.
Background
In the use of thin-wall stainless steel pipelines, the valve is one of indispensable pipe fittings, but the valve is opened and closed frequently in the use process, so the valve is extremely easy to damage, namely the valve can be replaced frequently.
Referring to fig. 1, for the direct connection of the conventional screw head, two pipes 3 to be connected are respectively and fixedly connected with a screw head 4, and can only be installed in sequence when being installed, and if the valve 1 needs to be replaced after being installed, the pipes need to be damaged.
Referring to fig. 2, fig. 2 is traditional loose joint and connects, treats that connecting tube 3 changes outer silk 6 combination by loose joint nut 5 and loose joint silk circle respectively and takes the cooperation of rubber circle 7 of retaining ring, inserts valve 1 at last, and this kind of connection convenient and fast also conveniently dismantles and changes valve 1, but its function that does not have temperature compensation, and interior retaining ring influences sealed effect, and sealed face is less, and the retaining ring cost of manufacture is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible tapering loose joint valve connects, this valve connects the installation simple and convenient, adopts flexible connection, both can be for the flexible deformation of pipeline provides the space, can guarantee the junction leakproofness again.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a flexible taper union valve coupling comprising: valve and set up the coupling assembling at the valve both ends respectively, coupling assembling includes: the valve comprises a first connecting pipe and a second connecting pipe detachably connected with the first connecting pipe, wherein one end of the first connecting pipe, which is far away from the second connecting pipe, is connected with the valve; the second connecting pipe includes big diameter section and little diameter section, and big diameter section and little diameter section are the changeover portion of conical surface through the inner wall and connect, and big diameter section is connected with first connecting pipe, and the terminal surface that first connecting pipe is close to second connecting pipe one end is equipped with tapering elastic seal circle, the tapering of tapering elastic seal circle outer wall and the angle phase-match of the conical surface of changeover portion.
This valve joint mainly used sets up coupling assembling respectively with valve and pipe connection at the both ends of valve, can be with valve and pipe connection through coupling assembling, and coupling assembling is equipped with first connecting pipe and second connecting pipe, and first connecting pipe both ends are connected with valve and second connecting pipe respectively, and the second connecting pipe other end and pipe connection realize being connected of pipeline and valve from this. Set up the tip setting of the pipeline that tapering elasticity sealing washer is waited to connect between first pipeline and the second pipeline on the conical surface of tapering elasticity sealing washer and second connecting pipe, elastic deformation through tapering elasticity sealing washer provides the space for the extension of pipeline to when the pipeline vibration, tapering elasticity sealing washer can slow down the vibration, provides certain deformation space for the vibration of pipeline, guarantees that the tip of pipeline is contradicted all the time on the sealing washer.
Further, in the preferred embodiment of the present invention, the first connecting pipe is provided with an external thread on the outer wall near one end of the second connecting pipe, and the second connecting pipe is provided with an internal thread matching with the external thread on the inner wall near one end of the first connecting pipe.
The first connecting pipe and the second connecting pipe are detachably connected through threads.
Further, in the preferred embodiment of the present invention, an auxiliary nut is disposed on the outer wall of the first connecting pipe.
The auxiliary nut may assist in tightening the first connection pipe and the second connection pipe.
Further, in a preferred embodiment of the present invention, the taper elastic sealing ring is an epdm rubber sealing ring.
The ethylene propylene diene monomer sealing ring has good elasticity, strong corrosion resistance and long service life, and ensures reliable connection.
Further, in the preferred embodiment of the present invention, one end of the first connecting pipe is provided with an installation step, the taper elastic sealing ring is disposed on the installation step, and the maximum outer diameter of the taper elastic sealing ring matches with the outer diameter of the first connecting pipe.
The end of the first connecting pipe is provided with a step, and the taper elastic sealing ring can be sleeved on the outer wall of the step, so that the taper elastic sealing ring is supported and compressed, the maximum outer diameter of the taper elastic sealing ring is matched with the outer diameter of the first connecting pipe, and the taper elastic sealing ring is guaranteed to be sealed reliably.
Further, in the preferred embodiment of the present invention, the inner diameter of the small diameter section matches with the outer diameter of the pipe to be connected.
The utility model discloses following beneficial effect has:
1. on the basis of not changing the original structure of the pipeline, space is provided for the pipeline to stretch, the problem of the pipeline stretching caused by temperature change is solved, and the damage to the pipeline is relieved;
2. the valve joint has good flexible sealing performance, a large sealing surface, better fluid sealing performance and long service life;
3. the sealing adopts a taper elastic sealing ring which has good flexible sealing performance, so the vibration angle is large, and the sealing device can be widely used in a vibration area;
4. can directly adopt the spanner installation through supplementary nut, the simple convenient and fast of installation dismantles and changes the valve and can not destroy the pipeline.
Drawings
FIG. 1 is a schematic structural view of a conventional direct connection of a filament end;
FIG. 2 is a conventional loose joint connection;
FIG. 3 is an exploded view of the flexible taper loose joint valve joint of the present invention;
fig. 4 is a cross-sectional view of a first connection pipe of the present invention;
fig. 5 is a sectional view of the use structure of the flexible taper loose joint valve joint of the present invention.
Wherein: 1-a valve; 2-connecting the components; 21-a first connection pipe; 211-auxiliary nut; 212-mounting steps; 22-a second connecting tube; 221-large diameter section; 222-a small diameter section; 223-a transition section; 23-taper elastic sealing ring; 3-a pipeline to be connected; 4-filament ends; 5-loose joint nut; 6-the loose joint wire ring is rotated to an external wire; 7-rubber ring.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 3, a flexible taper union valve coupling comprising: valve 1 and set up respectively at the coupling assembling 2 at 1 both ends of valve, coupling assembling 2 includes: first connecting pipe 21 and with first connecting pipe 21 can dismantle the second connecting pipe 22 of being connected, second connecting pipe 22 includes big diameter section 221 and little diameter section 222, big diameter section 221 and little diameter section 222 are connected through the changeover portion 223 that the inner wall is the conical surface, big diameter section 221 sets up the one end near first connecting pipe 21, refer to fig. 4, first connecting pipe 21 is close to second connecting pipe 22 one end, be equipped with installation step 212, be equipped with tapering elastic seal ring 23 on installation step 212, the tapering of tapering elastic seal ring 23 outer wall and the angle phase-match of the conical surface of changeover portion 223. An external thread is arranged on the outer wall of one end of the first connecting pipe 21 close to the second connecting pipe 22, and an internal thread matched with the external thread is arranged on the inner wall of one end of the second connecting pipe 22 close to the first connecting pipe 21. An auxiliary nut 211 is provided on an outer wall of the second connection pipe 22. The taper elastic sealing ring 23 is an ethylene propylene diene monomer sealing ring. The outer diameter of the tapered elastic sealing ring 23 close to one end of the first connecting pipe 21 is equal to the outer diameter of the first connecting pipe 21, and the inner diameter of the small-diameter section 222 is matched with the outer diameter of the pipe 3 to be connected.
The method of mounting the connection tube is described below with reference to fig. 3-5:
inserting two pipes 3 to be connected into the two second connecting pipes 22 from the small-diameter section 222 respectively, flaring the end parts of the two ends of the pipes 3 to be connected, which are inserted into the second connecting pipes 22, wherein the flaring angle is matched with the angle of the conical surface of the inner wall of the transition section 223, abutting the flaring on the conical surface, fixing the tapered elastic sealing ring 23 on the mounting step 212 of the first connecting pipe 21, connecting the end part of the first connecting pipe 21 with the second connecting pipe 22 in a threaded manner, enabling the outer wall of the tapered elastic sealing ring 23 to abut against the inner wall of the flaring part of the pipes 3 to be connected, ensuring that the tapered elastic sealing ring 23 is not compressed at the moment, and finally connecting the other end of the first connecting pipe 21 with the valve 1.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A flexible taper union valve coupling, comprising: valve (1) and set up respectively coupling assembling (2) at valve (1) both ends, coupling assembling (2) include: a first connecting pipe (21) and a second connecting pipe (22) detachably connected with the first connecting pipe (21), wherein one end of the first connecting pipe (21) far away from the second connecting pipe (22) is connected with the valve (1); second connecting pipe (22) are including big diameter section (221) and little diameter section (222), big diameter section (221) with changeover portion (223) that little diameter section (222) are the conical surface through the inner wall are connected, big diameter section (221) with first connecting pipe (21) are connected, first connecting pipe (21) are close to second connecting pipe (22) one end is equipped with tapering elasticity sealing washer (23), the tapering of tapering elasticity sealing washer (23) outer wall with the angle phase-match of the conical surface of changeover portion (223).
2. The flexible taper union valve joint according to claim 1, wherein the outer wall of the first connecting pipe (21) near one end of the second connecting pipe (22) is provided with an external thread, and the inner wall of the second connecting pipe (22) near one end of the first connecting pipe (21) is provided with an internal thread matched with the external thread.
3. The flexible taper union valve joint according to claim 2, wherein an auxiliary nut (211) is provided on the outer wall of the first connecting pipe (21).
4. The flexible taper union valve joint according to any one of claims 1 to 3, wherein the taper elastic sealing ring (23) is an ethylene propylene diene monomer rubber sealing ring.
5. The flexible taper union valve joint according to claim 4, wherein one end of the first connecting pipe (21) is provided with a mounting step (212), the taper elastic sealing ring (23) is arranged on the mounting step (212), and the maximum outer diameter of the taper elastic sealing ring (23) is matched with the outer diameter of the first connecting pipe (21).
6. The flexible taper union valve coupling of claim 5, wherein the inner diameter of the small diameter section (222) matches the outer diameter of the pipe (3) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850697.9U CN212839894U (en) | 2020-08-28 | 2020-08-28 | Flexible taper loose joint valve joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850697.9U CN212839894U (en) | 2020-08-28 | 2020-08-28 | Flexible taper loose joint valve joint |
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| Publication Number | Publication Date |
|---|---|
| CN212839894U true CN212839894U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021850697.9U Active CN212839894U (en) | 2020-08-28 | 2020-08-28 | Flexible taper loose joint valve joint |
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| CN (1) | CN212839894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566041A (en) * | 2021-06-16 | 2021-10-29 | 宁波杰克龙精工有限公司 | Loose joint assembly and water supply system thereof |
-
2020
- 2020-08-28 CN CN202021850697.9U patent/CN212839894U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566041A (en) * | 2021-06-16 | 2021-10-29 | 宁波杰克龙精工有限公司 | Loose joint assembly and water supply system thereof |
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