CN207569412U - A kind of quick coupling - Google Patents
A kind of quick coupling Download PDFInfo
- Publication number
- CN207569412U CN207569412U CN201721648448.XU CN201721648448U CN207569412U CN 207569412 U CN207569412 U CN 207569412U CN 201721648448 U CN201721648448 U CN 201721648448U CN 207569412 U CN207569412 U CN 207569412U
- Authority
- CN
- China
- Prior art keywords
- plug
- air inlet
- valve
- valve body
- spool
- 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
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 10
- 238000010168 coupling process Methods 0.000 title claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a kind of quick coupling,Spool is provided in the middle part of valve body,Valve chamber is provided in the middle part of spool,Valve rod is provided in valve chamber,Valve ball and air inlet,Air inlet is set in inclined-plane,Spool includes head and tail portion,Plug is inserted into the right side of valve body,Screens is provided on the outer wall of plug,The bayonet lock that can be slided up and down is provided on the side wall of valve body,The inside middle portion of valve body and the position of Plug contact are provided with the O-ring seal,The spring is provided between plug and the tail portion of spool,The left end of valve body is fixedly connected with the air inlet plug,What spool can slide is set to inside the right end of air inlet plug,Valve core spring, which is supported, to be set between spool and air inlet plug,The internal connection of air inlet plug and valve body is provided with T shape sealing rings,The coefficient of elasticity of spring is more than the coefficient of elasticity of valve core spring,Handle is provided on bayonet lock.The utility model is simple in structure, easy to operate, saves the operating time, and practicability is wide.
Description
Technical field
The utility model is related to pipe fitting technical field, more particularly to a kind of quick coupling.
Background technology
Quick coupling is widely used in every field due to energy fast insert-pull.The patent of Patent No. CN204127539U
A kind of Pneumatic quick connector is disclosed, solves the problems, such as yielding shared sealing ring, damage and gas leakage, but it is specifically used
In the process, it also has the following disadvantages：
1. steel ball is made to slide into steel ball hole from steel ball release groove by the lock tube on slide valve, then lock tube is in lock tube
Original position is restored under the action of spring so that the steel ball compact heap on lock tube is pressed on the steel ball positioned at steel ball hole, makes
Steel ball card completes the connection of plug and valve body, in specific operating process, plug and valve body in the steel ball card slot on plug
Connection and demounting procedure it is cumbersome, it has not been convenient to operate；
2. air inlet end pressure is less than outlet side, it is susceptible to suck-back phenomenon.
Utility model content
Above-mentioned in order to solve the problems, such as, the utility model discloses a kind of quick couplings, include air inlet plug, spool
Spring, spool, air inlet, T shape sealing rings, valve ball, valve rod, O-ring seal, valve body, spring, plug, screens, bayonet lock, valve chamber,
Handle and groove, are provided with the spool in the valve body, and spool includes head and bar portion, the connection in the bar portion with head
It is machined with a groove on the right side of place, the air inlet of loop configuration is machined at the left position on groove, valve rod is laterally set
The tail portion of bar portion is placed in, is equipped with the valve chamber in bar portion, the valve ball is located in valve chamber between air inlet and valve rod, air inlet
Annular diameters are less than the diameter of valve ball, and the plug is inserted into the right side of valve body, and being provided on the side wall of valve body can slide up and down
Bayonet lock, be provided with the handle on bayonet lock, screens be provided on the outer wall of plug, it is described O-shaped for being used cooperatively with bayonet lock
Sealing ring is arranged on the middle part of valve interior wall, and with Plug contact, the spring, the left end of valve body are provided between plug and bar portion
Be fixedly connected with the air inlet plug, spool can be slidably matched with air inlet plug, the valve core spring support be set to spool with into
Between gas plug, the tail end of air inlet plug is provided with the T shape sealing rings, and the inner ring of T shape sealing rings is contacted with the right end of groove,
The coefficient of elasticity of spring is more than the coefficient of elasticity of valve core spring.
Further, the air inlet plug is threadedly connected to the left end of valve body.
Further, the junction of the air inlet plug and valve body is coated with fluid sealant.
The beneficial effects of the utility model are that plug is stuck in valve body by the bayonet lock that can be slided up and down, and do not need to be numerous
Trivial operating procedure saves the operating time, while valve ball and valve rod is set in valve chamber, can be to avoid small in air inlet end pressure
When outlet side, suck-back is avoided the occurrence of.
Description of the drawings
Fig. 1 is plug mounted configuration schematic diagram；
Fig. 2 is plug installation pre-structure schematic diagram；
In figure：1st, air inlet plug, 2, valve core spring, 3, spool, A, head, B, tail portion, 4, air inlet, 5, T shape sealing rings,
6th, valve ball, 7, valve rod, 8, O-ring seal, 9, valve body, 10, spring, 11, plug, 12, screens, 13, bayonet lock, 14, valve chamber, 15,
Handle, 16, groove.
Specific embodiment
It elaborates below in conjunction with the accompanying drawings to specific embodiment of the utility model.
As depicted in figs. 1 and 2, a kind of quick coupling includes air inlet plug 1, valve core spring 2, spool 3, air inlet 4, T shapes
Sealing ring 5, valve ball 6, valve rod 7, O-ring seal 8, valve body 9, spring 10, plug 11, screens 12, bayonet lock 13, valve chamber 14, handle
15 and groove 16, the spool 3 is provided in the valve body 9, and spool 3 includes on head A and bar portion B, the bar portion B and head
It is machined with a groove 16 on the right side of the junction of A, the air inlet of loop configuration is machined at the left position on groove 16
4, valve rod 7 is horizontally set at the tail portion of bar portion B, is equipped with the valve chamber 14 in bar portion B, the valve ball 6 is located at air inlet in valve chamber 14
Between mouth 4 and valve rod 7, the annular diameters of air inlet 4 are less than the diameter of valve ball 6, and the plug 11 is inserted into the right side of valve body 9,
The bayonet lock 13 that can be slided up and down is provided on the side wall of valve body 9, is provided with the handle 15 on bayonet lock 13, on the outer wall of plug 11
Screens 12 is provided with, for being used cooperatively with bayonet lock 13, the O-ring seal 8 is arranged on the middle part of 9 inner wall of valve body, with plug
11 contacts, are provided with the spring 10, the left end of valve body 9 is fixedly connected with the air inlet plug 1, valve between plug 11 and bar portion B
Core 3 can be slidably matched with air inlet plug 1, and the valve core spring 2, which is supported, to be set between spool 3 and air inlet plug 1, air inlet plug
1 tail end is provided with the T shape sealing rings 5, and the inner ring of T shape sealing rings 5 is contacted with the right end of groove 16, the elasticity system of spring 10
Number is more than the coefficient of elasticity of valve core spring 2.
As a preferred embodiment, the air inlet plug 1 is threadedly connected to the left end of valve body 9.
The junction of alternatively preferred embodiment, the air inlet plug 1 and valve body 9 is coated with fluid sealant.
As shown in Figure 1, air inlet plug 1 to be threaded in the left side of valve body 9, allow spool 3 inside valve body 9 into
1 right end internal slide of gas plug, while supported between spool 3 and air inlet plug 1 and be provided with valve core spring 2, exist in order to prevent
The phenomenon that gas leakage occurs during use, fluid sealant is coated in the junction of air inlet plug 1 and valve body 9, while in air inlet plug 1
Tail end be provided with T shape sealing rings 5, the right end that the inner ring of T shape sealing rings 5 can just with the groove 16 on the bar portion B with spool 3
Contact.Plug 11 is inserted into the inside of valve body 9, screens 12 under force jacks up bayonet lock 13 upwards, so as to make screens
12 slip over bayonet lock 13, and being manually pressed by bayonet lock 13 makes it fall back to original position, realizes and plug 11 is stuck on valve body 9, are inserting
In first 11 insertion process, the inner end meeting compressed spring 10 of plug 11, and then spool 3 is made to compress valve core spring 2 under force.
Gas leakage is being used in order to prevent, O-ring seal 8 is provided in the middle part of the inside of valve body 9, the connection with plug 11.It is using
In the process, gas enters from air inlet plug 1, and entering valve chamber 14 by the air inlet 4 on spool 3 will be positioned at the valve ball of air inlet
6 blow open after enter in plug 11, valve ball 6 is blown away in order to prevent, and valve rod 7 is provided at the tail portion B of spool 3.Work as air inlet
When pressure in plug 1 is less than the pressure in plug 11, gas is it is possible that suck-back phenomenon, and valve ball 6 at this time is in gas
Air inlet 4 can be moved under effect, air inlet 4 is blocked, so as to avoid the generation of suck-back phenomenon.
When the pressure in air inlet plug 1 is excessive, air pressure moves to right spool 3, while compressed spring 10, and T shapes seal at this time
Circle 5 is contacted with the left end of groove 16, and the inner ring of T shape sealing rings 5 blocks air inlet 4, and device is closed, so as to fulfill
The effect of current limliting.
As shown in Fig. 2, when plug 11 is extracted valve body 9, it is only necessary to lift handle 15 and lift bayonet lock 13, pull the plug out of the socket
11, spring 10 restores, and spool 3 moves right under the elastic force effect of valve core spring 2, and T shape sealing rings 5 and the left end of groove 16 connect
It touches, the inner ring of T shape sealing rings 5 blocks air inlet 4.
Claims (3)
1. a kind of quick coupling, which is characterized in that include air inlet plug（1）, valve core spring（2）, spool（3）, air inlet（4）、T
Shape sealing ring（5）, valve ball（6）, valve rod（7）, O-ring seal（8）, valve body（9）, spring（10）, plug（11）, screens（12）、
Bayonet lock（13）, valve chamber（14）, handle（15）And groove（16）, the valve body（9）Inside it is provided with the spool（3）, spool（3）Packet
Containing head（A）And bar portion（B）, the bar portion（B）Upper and head（A）Junction on the right side of be machined with a groove（16）,
Groove（16）On left position at be machined with the air inlet of loop configuration（4）, valve rod（7）It is horizontally set at bar portion（B）Tail
Portion, bar portion（B）It is interior to be equipped with the valve chamber（14）, the valve ball（6）Positioned at valve chamber（14）Interior air inlet（4）With valve rod（7）Between,
Air inlet（4）Annular diameters be less than valve ball（6）Diameter, the plug（11）It is inserted into valve body（9）Right side, valve body（9）
Side wall on be provided with the bayonet lock that can be slided up and down（13）, bayonet lock（13）On be provided with the handle（15）, plug（11）It is outer
Screens is provided on wall（12）, it is used for and bayonet lock（13）It is used cooperatively, the O-ring seal（8）It is arranged on valve body（9）Inner wall
Middle part, with plug（11）Contact, plug（11）With bar portion（B）Between be provided with the spring（10）, valve body（9）Left end fix
Connect the air inlet plug（1）, spool（3）It can be with air inlet plug（1）It is slidably matched, the valve core spring（2）It supports and is set to
Spool（3）With air inlet plug（1）Between, air inlet plug（1）Tail end be provided with the T shape sealing rings（5）, T shape sealing rings（5）
Inner ring and groove（16）Right end contact, spring（10）Coefficient of elasticity be more than valve core spring（2）Coefficient of elasticity.
2. a kind of quick coupling according to claim 1, it is characterised in that：The air inlet plug（1）With valve body（9）Screw thread
Connection.
3. a kind of quick coupling according to claim 2, it is characterised in that：The air inlet plug（1）And valve body（9）Company
The place of connecing is coated with fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648448.XU CN207569412U (en) | 2017-12-01 | 2017-12-01 | A kind of quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648448.XU CN207569412U (en) | 2017-12-01 | 2017-12-01 | A kind of quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569412U true CN207569412U (en) | 2018-07-03 |
Family
ID=62689353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721648448.XU Expired - Fee Related CN207569412U (en) | 2017-12-01 | 2017-12-01 | A kind of quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569412U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767679A (en) * | 2019-01-14 | 2019-05-17 | 厦门大学 | A kind of breathing apparatus |
| CN109974921A (en) * | 2019-04-04 | 2019-07-05 | 江苏师范大学 | A kind of detachable instrument |
| CN114777987A (en) * | 2022-03-28 | 2022-07-22 | 安徽春辉仪表线缆集团有限公司 | Stainless steel bellows pressure gauge with gauge outfit safeguard function |
-
2017
- 2017-12-01 CN CN201721648448.XU patent/CN207569412U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767679A (en) * | 2019-01-14 | 2019-05-17 | 厦门大学 | A kind of breathing apparatus |
| CN109767679B (en) * | 2019-01-14 | 2021-06-29 | 厦门大学 | Breath experimental device |
| CN109974921A (en) * | 2019-04-04 | 2019-07-05 | 江苏师范大学 | A kind of detachable instrument |
| CN114777987A (en) * | 2022-03-28 | 2022-07-22 | 安徽春辉仪表线缆集团有限公司 | Stainless steel bellows pressure gauge with gauge outfit safeguard function |
| CN114777987B (en) * | 2022-03-28 | 2023-09-26 | 安徽春辉仪表线缆集团有限公司 | Stainless steel membrane box pressure gauge with gauge outfit safeguard function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |