CN209180548U - A kind of quick coupling - Google Patents
A kind of quick coupling Download PDFInfo
- Publication number
- CN209180548U CN209180548U CN201821578905.7U CN201821578905U CN209180548U CN 209180548 U CN209180548 U CN 209180548U CN 201821578905 U CN201821578905 U CN 201821578905U CN 209180548 U CN209180548 U CN 209180548U
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- Prior art keywords
- joint assembly
- plunger
- interface channel
- assembly
- quick coupling
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Abstract
The utility model discloses a kind of quick couplings, comprising: the first joint assembly, the second joint assembly and the retaining mechanism for locking and connecting the second joint assembly and the first joint assembly, first joint assembly include one first interface channel and a driving portion；One second interface channel is provided in second joint assembly, configured with an elastic plug assembly in second interface channel, in actual use, second joint assembly is connect with gas source, when the second joint assembly is connect with the first joint assembly, the driving portion can press elastic plug assembly movement and open the second interface channel, guarantee the connectivity of blast tube；When the elastic plug assembly is not connected with to guarantee the safety used, and convenient and fast connection to prevent that gas leakage occurs in connection hole site by force-closed second interface channel of elasticity in the second joint assembly and the first joint assembly.
Description
Technical field
The utility model relates to gas-fired equipment field, especially a kind of quick coupling for blast tube or equipment.
Background technique
It usually requires to carry out the connection between pipeline and pipeline, pipeline and equipment in gas pipeline or gas-fired equipment, simultaneously
In order to facilitate dismounting maintenance etc., these above-mentioned link positions are generally attached using removable jointing, but mesh
Preceding jointing does not have the function of automatically cutting off, and the joint location of one end is especially entered in gas source, unlocks in connector
When, it easily causes to reveal due to forgetting cutting gas source, easily cause the accident.
Summary of the invention
For overcome the deficiencies in the prior art, the utility model provides one kind can close gas passage when connector is unlocked
Quick coupling.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of quick coupling, comprising:
First joint assembly, first joint assembly include one first interface channel and a driving portion；
Second joint assembly is provided with one second interface channel, second interface channel in second joint assembly
It is inside configured with an elastic plug assembly, the elasticity plug assembly is not connected in the second joint assembly and the first joint assembly can
By force-closed second interface channel of elasticity, when the second joint assembly is connect with the first joint assembly, the driving portion can
It presses elastic plug assembly movement and opens the second interface channel, so that the second interface channel is connected to the first interface channel；
Retaining mechanism, the retaining mechanism is for locking the second joint assembly and the first joint assembly, so that the second connector
Component and the first joint assembly keep connection status.
The driving portion is a connecting tube being connected to the first interface channel, and the connecting tube, which extends to, to be protruded from first and connect
The rear side of head assembly.
The elasticity plug assembly includes a plunger and a spring, is provided with one and plunger pair in second interface channel
The switch mouth answered, the spring are arranged on rear side of plunger, and one can be provided to plunger makes plunger be pressed on the bullet at switch mouth
Property power, with enclosed switch mouth, when the second joint assembly is connect with the first joint assembly, the driving portion can press plunger and overcome
The elastic force of spring moves back and turns on the switch mouth.
The inner wall of second interface channel is provided with an annular protrusion corresponding with plunger, to form the switch mouth.
The inner wall of second interface channel is provided with a step position, and the spring one end presses against on step position, another
One end presses against on plunger.
A plunger sealing washer is arranged on the plunger, when the plunger is pressed against at switch mouth, the plunger sealing
It encloses sealed plunger and switchs the gap between mouth.
The plunger front end is provided with a notch, switch mouth to be connected when plunger is ejected.
Second interface channel front end is provided with sealing ring corresponding with connection pipe outer wall.
The retaining mechanism is a screw connection structure comprising the blind nut that is rotatably arranged on the second joint assembly and
The external thread part of first joint assembly rear end is set, and the blind nut inner wall is provided with the internal screw thread with external thread part cooperation, institute
Blind nut is stated to be slidably arranged on the second joint assembly and limit by a position limiting structure.
The position limiting structure is the limiting slot being arranged on the second joint assembly outer wall, be provided on the blind nut be caught in
Retention bead portion in limiting slot.
The beneficial effects of the utility model are: a kind of quick coupling, comprising: the first joint assembly, the second joint assembly and
For locking and connecting the retaining mechanism of the second joint assembly and the first joint assembly, first joint assembly includes one first
Interface channel and a driving portion；One second interface channel is provided in second joint assembly, in second interface channel
Configured with an elastic plug assembly, in actual use, the second joint assembly is connect with gas source, when the second joint assembly connects with first
When head assembly connects, the driving portion can press elastic plug assembly movement and open the second interface channel, guarantee that combustion gas is logical
The connectivity in road；When the elastic plug assembly in the second joint assembly and the first joint assembly is not connected with that elastic force can be passed through
The second interface channel is closed, to prevent that gas leakage occurs in connection hole site, guarantees the safety used, and easy to connect fast
It is prompt.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Structural schematic diagram when Fig. 1 is the utility model connection；
Fig. 2 is structural schematic diagram when the utility model is not connected；
Fig. 3 is the decomposition diagram of the utility model；
Diagrammatic cross-section when Fig. 4 is the utility model connection；
Fig. 5 is diagrammatic cross-section when the second joint assembly of the utility model is not connected.
Specific embodiment
Referring to figs. 1 to Fig. 5, Fig. 1 to Fig. 5 is the structural schematic diagram of one specific embodiment of the utility model, as shown,
A kind of quick coupling, comprising: the first joint assembly 1, the second joint assembly 2 and for lock and connect the second joint assembly 2 with
The retaining mechanism of first joint assembly 1, first joint assembly 1 include one first interface channel 11 and a driving portion；It is described
It is provided with one second interface channel 12 in second joint assembly 2, an elastic occlusion group is configured in second interface channel 12
Part is provided with the nipple 20 that can be connect with the pipe joint of gas source, the second connector group in one end of the second joint assembly 2
One end of part 2 is provided with the connector 10 connecting with gas-fired equipment or pipeline, in actual use, the second joint assembly 2 and gas source
Connection, as shown in figure 4, it is stifled that the driving portion can press elasticity when the second joint assembly 2 is connect with the first joint assembly 1
Plug assembly is mobile and opens the second interface channel 12, guarantees the connectivity of blast tube；As shown in figure 5, when the elasticity blocking
Component the second joint assembly 2 and the first joint assembly 1 it is not connected can by force-closed second interface channel 12 of elasticity, to prevent
Gas leakage only occurs in connection hole site, guarantees the safety used.
Preferably, as shown in Figure 2,3, 4, the driving portion is a connecting tube 13 being connected to the first interface channel 11, institute
It states connecting tube 13 and extends to the rear side for protruding from the first joint assembly 1, with mobile for pressing elastic plug assembly, to open the
Two interface channels 12, certainly, in the specific implementation process, the driving portion can also be realized by other configuration bulge-structure,
It is not described in detail here.
Preferably, as shown, the elasticity plug assembly includes a plunger 31 and a spring 32, second connection is logical
A switch mouth corresponding with plunger 31 is provided in road 12, the spring 32 is arranged in 31 rear side of plunger, and can be to plunger 31
There is provided one makes plunger 31 be pressed on the elastic force at switch mouth, with enclosed switch mouth, the second joint assembly 2 and the first joint assembly
When 1 connection, the driving portion can press plunger 31 and overcome the elastic force of spring 32 to move back and turn on the switch mouth, can be realized out
The function of opening and close.
In addition, in the specific implementation process, it can also be by one capping of configuration at switch mouth, which passes through shaft
It is rotatably arranged on the side of switch mouth, and arrangement reset torsional spring, with enclosed switch mouth, the second joint assembly 2 switches through dynamic with first
And mouth is turned on the switch, the same function of can be achieved to open and close is not described in detail here.
Preferably, the inner wall of second interface channel 12 is provided with an annular protrusion 121 corresponding with plunger 31, with shape
At the switch mouth, the structure of sealing cooperation is formed with plunger 31.
Preferably, the inner wall of second interface channel 12 is provided with a step position 122, and described 32 one end of spring presses against
On step position 122, the other end is pressed against on plunger 31, and 7 so that plunger 31 is pressed against at switch mouth by elasticity.
Preferably, a plunger sealing washer 311 is arranged on the plunger 31, the plunger 31 is pressed against at switch mouth
When, the gap between 311 sealed plunger 31 of plunger sealing washer and switch mouth, to reach preferable sealing effect, preferably
, in the present embodiment, the positioning recess 313 of the annular for positioning plunger sealing washer 311 is provided on the plunger 31, with
Prevent plunger sealing washer 311 shift, certainly, in the specific implementation process, can also directly by the front end of plunger 31 be arranged to by
31 entirety of plunger is made seal header joints made of elaxtic seal of elaxtic seal, and it is close equally also to can reach reinforcement
The effect of envelope, is not described in detail here.
Preferably, 31 front end of plunger is provided with a notch 312, switch mouth to be connected when plunger 31 is ejected, mentions
The logical performance of upper air current, it is preferred that the notch 312 is a "-" type slot axially extending along plunger 31, is being embodied
It is also poor using cross type groove or plum blossom trough etc. in procedure, it is not described in detail here.
Preferably, 12 front end of the second interface channel is provided with sealing ring 123 corresponding with 13 inner wall of connecting tube, with
12 inner wall of the second interface channel and 13 outer wall of connecting tube are sealed when connection, to guarantee that the second interface channel 12 is connect with connecting tube 13
When sealing performance.
In the present invention, the retaining mechanism can be a buckle structure or screw connection structure, in the present embodiment,
The retaining mechanism is preferably a screw connection structure comprising the blind nut 41 that is rotatably arranged on the second joint assembly 2 and is set
The external thread part 42 in 1 rear end of the first joint assembly is set, 41 inner wall of blind nut is provided with the interior spiral shell cooperated with external thread part 42
Tooth, the blind nut 41 are slidably arranged on the second joint assembly 2 and are limited by a position limiting structure, when the first joint assembly 1 with
When second joint assembly 2 connects, by screwing blind nut 41 so that blind nut 41 and external thread part 42 so that the first joint assembly 1 with
Second joint assembly 2 keeps connection status, and the stability of locking connection and bonding strength are higher, also not when high pressure is supplied gas
It can separate, it is highly-safe.
Preferably, the position limiting structure is the limiting slot 43 being arranged on 2 outer wall of the second joint assembly, on the blind nut 41
It is provided with the retention bead portion 44 being caught in in limiting slot 43, by the cooperation of retention bead portion 44 and limiting slot 43 to blind nut 41
It is limited, the driven function of reaching locking and release.
The course of work of the utility model is as follows:
When needing to connect, connecting tube 13 is aligned the second interface channel 12 and is inserted into, and screws blind nut 41, at this time connecting tube 13
Plunger 31 is opened, enables combustion gas to enter the first interface channel 11 from the second interface channel 12, describes conducting；
When needing to separate, blind nut 41 is reversely unscrewed, and connecting tube 13 is extracted from the second interface channel 12, at this point, plunger
The 31 not press of connected tube 13, by the elastic force of spring 32, are urged to switch mouth for plunger 31, and pass through plunger sealing washer
311 complete the completely enclosed of split critical point, to reach the function of cutting combustion gas output, avoid leaking, and need to connect
When, it is inserted directly into the i.e. openable channel of locking, uses convenience more.
The preferred embodiments of the present invention have been specifically described above, certainly, the utility model can also using with
The different form of above embodiment, those skilled in the art are made etc. on the premise of without prejudice to spirit of the invention
Same transformation or corresponding change, all should belong in the protection scope of the utility model.
Claims (10)
1. a kind of quick coupling characterized by comprising
First joint assembly (1), first joint assembly (1) include one first interface channel (11) and a driving portion；
Second joint assembly (2), second joint assembly (2) is interior to be provided with one second interface channel (12), and described second connects
It connects configured with an elastic plug assembly in road (12), the elasticity plug assembly is in the second joint assembly (2) and the first connector
Component (1) is not connected can be by force-closed second interface channel (12) of elasticity, when the second joint assembly (2) and the first connector group
When part (1) connects, the driving portion can press elastic plug assembly movement and open the second interface channel (12), so that second
Interface channel (12) is connected to the first interface channel (11)；
Retaining mechanism, the retaining mechanism is for locking the second joint assembly (2) and the first joint assembly (1), so that second connects
Head assembly (2) and the first joint assembly (1) keep connection status.
2. a kind of quick coupling according to claim 1, it is characterised in that:
The driving portion is a connecting tube (13) being connected to the first interface channel (11), and the connecting tube (13) extends to protrusion
Rear side in the first joint assembly (1).
3. a kind of quick coupling according to claim 1 or 2, it is characterised in that:
The elasticity plug assembly includes a plunger (31) and a spring (32), is provided with one in second interface channel (12)
Switch mouth corresponding with plunger (31), spring (32) setting can provide one to plunger (31) on rear side of plunger (31)
Plunger (31) is set to be pressed on the elastic force at switch mouth, with enclosed switch mouth, the second joint assembly (2) and the first joint assembly
(1) when connecting, the driving portion can press plunger (31) and the elastic force of spring (32) is overcome to move back and turn on the switch mouth.
4. a kind of quick coupling according to claim 3, it is characterised in that:
The inner wall of second interface channel (12) is provided with an annular protrusion (121) corresponding with plunger (31), to be formed
State switch mouth.
5. a kind of quick coupling according to claim 3, it is characterised in that:
The inner wall of second interface channel (12) is provided with a step position (122), and described spring (32) one end presses against step
On position (122), the other end is pressed against on plunger (31).
6. a kind of quick coupling according to claim 3, it is characterised in that:
It is arranged with a plunger sealing washer (311) on the plunger (31), it is described when the plunger (31) is pressed against at switch mouth
Gap between plunger sealing washer (311) sealed plunger (31) and switch mouth.
7. a kind of quick coupling according to claim 3, it is characterised in that:
Plunger (31) front end is provided with a notch (312), switch mouth to be connected when plunger (31) is ejected.
8. a kind of quick coupling according to claim 2, it is characterised in that:
Second interface channel (12) front end is provided with sealing ring (123) corresponding with connecting tube (13) outer wall.
9. a kind of quick coupling according to claim 1, it is characterised in that:
The retaining mechanism is a screw connection structure comprising be rotatably arranged on blind nut (41) on the second joint assembly (2),
And setting, in the external thread part (42) of the first joint assembly (1) rear end, blind nut (41) inner wall is provided with and external thread part
(42) internal screw thread cooperated, the blind nut (41) are slidably arranged on the second joint assembly (2) and are limited by a position limiting structure.
10. a kind of quick coupling according to claim 9, it is characterised in that:
The position limiting structure is the limiting slot (43) being arranged on the second joint assembly (2) outer wall, is arranged on the blind nut (41)
There is the retention bead portion (44) being caught in in limiting slot (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578905.7U CN209180548U (en) | 2018-09-26 | 2018-09-26 | A kind of quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578905.7U CN209180548U (en) | 2018-09-26 | 2018-09-26 | A kind of quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209180548U true CN209180548U (en) | 2019-07-30 |
Family
ID=67360372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821578905.7U Active CN209180548U (en) | 2018-09-26 | 2018-09-26 | A kind of quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209180548U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289176A (en) * | 2020-01-03 | 2020-06-16 | 武汉钢铁有限公司 | Quick connection switching device for pressure transmitter calibration |
| CN112169083A (en) * | 2020-10-16 | 2021-01-05 | 上海必趣医疗科技有限公司 | Needleless administration joint with neutral pressure |
| CN113983218A (en) * | 2021-10-20 | 2022-01-28 | 埃飞灵卫浴科技集团有限公司 | Direct-insertion rotary type quick-connection angle valve |
-
2018
- 2018-09-26 CN CN201821578905.7U patent/CN209180548U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289176A (en) * | 2020-01-03 | 2020-06-16 | 武汉钢铁有限公司 | Quick connection switching device for pressure transmitter calibration |
| CN111289176B (en) * | 2020-01-03 | 2021-08-10 | 武汉钢铁有限公司 | Quick connection switching device for pressure transmitter calibration |
| CN112169083A (en) * | 2020-10-16 | 2021-01-05 | 上海必趣医疗科技有限公司 | Needleless administration joint with neutral pressure |
| CN112169083B (en) * | 2020-10-16 | 2022-09-27 | 上海必趣医疗科技有限公司 | Needleless administration joint with neutral pressure |
| CN113983218A (en) * | 2021-10-20 | 2022-01-28 | 埃飞灵卫浴科技集团有限公司 | Direct-insertion rotary type quick-connection angle valve |
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