CN205716416U - Quick connector - Google Patents
Quick connector Download PDFInfo
- Publication number
- CN205716416U CN205716416U CN201620334522.XU CN201620334522U CN205716416U CN 205716416 U CN205716416 U CN 205716416U CN 201620334522 U CN201620334522 U CN 201620334522U CN 205716416 U CN205716416 U CN 205716416U
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- CN
- China
- Prior art keywords
- actuator
- claw
- cylinder body
- quick connector
- mandrel
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- 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.)
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Abstract
The utility model discloses a kind of quick connector, including cylinder body, actuator, claw, handle and mandrel, also include: filling channel, it is arranged on cylinder body；Air guide channel, it is for connecting the endoporus of filling channel and claw；Wherein: actuator is formed with the first cascaded surface towards the first end, the second-order tread towards the first cascaded surface it is formed with in cylinder body, first cascaded surface limits with second-order tread and is formed with the space connected with filling channel, and the pressed gas in space is moved towards the second end by the first cascaded surface pushing and pressing actuator.Quick connector of the present utility model promotes actuator to reduce the overhang of claw by pressed gas, quick connector in compared to existing technology reduces the overhang of claw by back-moving spring, quick connector of the present utility model has and is connected more firm with part to be measured, the higher advantage of junction sealing property, and simple in construction, easy to operate.
Description
Technical field
This utility model relates to a kind of for bubble-tight quickly to check part to be measured to part to be measured inflation
Adapter.
Background technology
In order to the empty interacvity air-filling of part to be measured to check its air-tightness, staff need at gas tube
The outlet side inlet end of the gas tube (connect air pump) connect an adapter, the salable company of this adapter
The gas-charging connection of part is surveyed in reception, and adapter generally uses with gas-charging connection threadeds that (gas-charging connection is
Externally threaded title external screw thread connects, and now adapter becomes external screw thread adapter, and gas-charging connection is female thread
Title female thread connect, now adapter becomes inner thread connector), traditional screw thread coupling by rotation
Twist and be connected with gas-charging connection, this screw thread coupling and gas-charging connection connection procedure time and effort consuming, and easy because of
Screw infringement black box.It is connected with the fast thread of gas-charging connection for making adapter realize, prior art
Occurring in that a kind of screw thread coupling, this screw thread coupling includes cylinder body, handle, claw, actuator, answers
Position spring and mandrel；Claw is surrounded by multiple clamping lobes, and is arranged on one end of cylinder body, and claw is extremely
Small part extend in cylinder body, and handle is arranged on the cylinder body other end, mandrel and actuator and is arranged in cylinder body,
And pushing against actuator by handle, claw axle at cylinder body under the driving of actuator moves up (if even
Connecing device is inner thread connector, and the endoporus of claw offers screw thread, and first handle drives claw increase to stretch out
Amount is so as to insert in the endoporus of gas-charging connection, and then back-moving spring pushing and pressing actuator is to drive claw to subtract
Little overhang and mandrel force claw swelling；If adapter is external screw thread adapter, the periphery of claw is offered
Having screw thread, first handle drives claw to increase overhang so as to be coated with the periphery of gas-charging connection, then
Back-moving spring pushing and pressing actuator is to drive claw reduction overhang to make cylinder body force claw to be tightly coated with and filling
Gas joint) so that claw is threadeded with the gas-charging connection of part to be measured, then by leading to from air-filled pore
Inflate in part to be measured to the gas passage of part to be measured.
Although above-mentioned screw thread coupling is capable of being connected with the quick of part to be measured, but claw overhang
Reduction by back-moving spring pushing and pressing actuator realize, owing to back-moving spring is in the case of Reusability
There will be fatigue so that elastic performance is deteriorated, thus cause to push against actuator or pushing against actuator
Power reduces, and then makes claw be connected with part to be measured or seal defective tightness.
Utility model content
The above-mentioned technical problem existed for adapter of the prior art, this utility model provides one
Quick connector by pneumatic reduction claw overhang.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of quick connector, the actuator including cylinder body, being arranged in described cylinder body, be arranged on described
First end of cylinder body the claw being connected with described actuator, be arranged on described cylinder body the second end and for
Push against the handle of described actuator, wear described actuator and stretch into the mandrel of endoporus of described claw, also
Including: filling channel, it is arranged on cylinder body；Air guide channel, its be used for connecting described filling channel with
The endoporus of described claw；Wherein: described actuator is formed with the first cascaded surface towards described first end,
The second-order tread towards described first cascaded surface, described first cascaded surface and institute it is formed with in described cylinder body
State the restriction of second-order tread and be formed with the space connected with described filling channel, the pressure gas in described space
Body pushes against described actuator by described first cascaded surface and moves towards described second end.
Preferably, described actuator has the first extreme position pushed against by described handle and by described pressure
Second extreme position of strength body pushing and pressing, is formed with annulus between described actuator and described mandrel,
The first gas port connected with described annulus is offered on described actuator, and at described actuator
When described second extreme position, described first gas port connects with described space.
Preferably, the air-filled pore and the connection that offer the endoporus leading to described claw in described mandrel are described
Annulus and the second gas port of described air-filled pore, described air guide channel is by described first gas port, institute
State annulus, described second gas port and the connection of described air-filled pore to be formed.
Preferably, there is spaced two first sealing rings, institute between described actuator and described mandrel
State annulus described in two between first sealing ring.
Preferably, described actuator is body, described space for being surrounded by described cylinder body and described body and
Annular space between described first cascaded surface and described second-order tread.
Preferably, described body includes protheca and the rear enclosure of fixing connection, and described protheca is away from described rear enclosure
End be formed with annular protrusion, the afterbody of described claw is formed with cannelure, and described protheca is by described
Annular protrusion is connected with described claw in being fastened on cannelure.
Preferably, after the first sealing ring described in two is separately positioned between described protheca and mandrel and is described
Between set and described mandrel, described first gas port is opened on described protheca.
Preferably, between described cylinder body and described protheca, it is provided with between described cylinder body and described rear enclosure
Second sealing ring, described annular space is described in two between second sealing ring.
Preferably, also include being set on described body and be positioned at described first cascaded surface and second-order tread
Between back-moving spring.
Preferably, the end of described mandrel is stretched out the end of described protheca and is arranged on described claw with one
The pushing and pressing set of endoporus seals socket, between the described part to be measured pushing against the endoporus overlapped and insert described claw
It is provided with end-face seal ring.
Compared with prior art, quick connector of the present utility model provides the benefit that: this utility model
Quick connector by pressed gas promote actuator with reduce claw overhang, compared to existing technology
In quick connector by back-moving spring reduce claw overhang, quick connector of the present utility model
Have and be connected with part to be measured more firmly, the higher advantage of junction sealing property, and simple in construction,
Easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation being in installment state of quick connector of the present utility model；
Fig. 2 is the structural representation being in inflated condition of quick connector of the present utility model.
In figure:
10-cylinder body；11-filling channel；12-second-order tread；13-annular space；20-claw；30-
Mandrel；31-air-filled pore；32-the second gas port；33-the first sealing ring；40-handle；51-protheca；511-
First gas port；512-annulus；513-the second sealing ring；52-rear enclosure；521-the first cascaded surface；
60-back-moving spring；70-pushes against set；80-end-face seal ring；100-part to be measured.
Detailed description of the invention
For making those skilled in the art be better understood from the technical solution of the utility model, below in conjunction with the accompanying drawings
With detailed description of the invention, this utility model is elaborated.
As depicted in figs. 1 and 2, preferred embodiment of the present utility model provides a kind of quick connector,
This quick connector includes cylinder body 10, claw 20, actuator, handle 40, mandrel 30, filling channel
11 and air guide channel.In actuator is arranged on cylinder body 10 and can moving axially along cylinder body 10, card
Pawl 20 is arranged on the first end of cylinder body 10 and is connected with actuator to be driven change at cylinder body 10 by actuator
The overhang of the first end, mandrel 30 wears actuator and stretches into the endoporus of claw 20, filling channel 11
Being formed on cylinder body 10, air guide channel, for connecting the endoporus of claw 20, of the present utility model quickly connects
The construction features connecing device is: be formed with the first cascaded surface of the first end towards cylinder body 10 on actuator
521, it is formed with the second-order tread 12 (second-order in other words towards the first cascaded surface 521 in cylinder body 10
Tread 12 is towards the second end of cylinder body 10), and the first cascaded surface 521, second-order tread 12, driving
Part and cylinder body 10 surround a space, naturally, the first cascaded surface 521 and second-order tread jointly
12 is the boundary face in this space, and this space connects with the filling channel 11 on cylinder body 10.So,
When to filling channel 11 stuffing pressure gas, pressed gas enters this space by filling channel 11,
Pressed gas in space produces the motive force of the second end towards cylinder body 10 to the first cascaded surface 521, from
And make actuator drive claw 20 to move towards the second end of cylinder body 10, and then the overhang of claw 20 is made to subtract
Few.
It it is noted that quick connector and part 100 to be measured realize firm being tightly connected and need to make claw
20 successively carry out two actions, as it is shown in figure 1, i.e. claw 20 carries out increasing overhang at the first end
Action, this action is used for making claw 20 realize fast thread with part 100 to be measured and is connected (now, claw
20 can not be tightly connected with part 100 to be measured)；As in figure 2 it is shown, claw 20 carries out reducing overhang
Action (i.e. claw 20 is increasing the part that bounces back again after overhang), this action is used for making claw 20
Realize being tightly connected with part 100 to be measured.Said structure of the present utility model makes claw 20 reduce
The action of overhang is completed by pneumatic.
Owing to above-mentioned claw 20 has two actions, accordingly, actuator has makes claw 20 overhang
The first maximum extreme position and make minimum the second extreme position of claw 20 overhang, and actuator
The action moving to the first extreme position is provided by the pushing force of handle 40, and actuator moves to second limit
The action of position is provided by the pushing force of pressed gas.In a preferred embodiment of the present utility model,
Annulus 512, annulus 512 and the endoporus of claw 20 it is formed with between actuator and mandrel 30
Connection, offers the first gas port 511, this first gas port 511 one end and annulus on actuator
Gap 512 connects all the time, and when actuator is in the first extreme position, another of the first gas port 511
End is closed by cylinder body 10, when actuator is in the second extreme position, and the other end of the first gas port 511
Connect with above-mentioned space.So, the pressed gas in above-mentioned space first passes through the first cascaded surface 521 general
Actuator pushes against to its second extreme position, and then, pressed gas enters ring by the first gas port 511
Shape gap 512, and then inflate to part 100 to be measured.Preferably, offer in mandrel 30 and lead to claw
The air-filled pore 31 of the endoporus of 20 and connection annulus 512 and the second gas port 32 of air-filled pore 31,
Air guide channel is by the first gas port 511, annulus the 512, second gas port 32 and air-filled pore 31
Connection is formed, and so, the pressed gas in annulus 512 enters mandrel by the second gas port 32
In air-filled pore 31 in 30, and inflate in part 100 to be measured.
For preventing pressed gas to run off between actuator and mandrel 30, set between actuator and mandrel 30
Putting twice the first sealing ring 33, twice the first sealing ring 33 interval is arranged, and annulus 512 is positioned at two
Between first sealing ring 33, so, the pressed gas in annulus 512 is by the first sealing ring 33 envelope
Stifled.
In a preferred embodiment of the present utility model, actuator is body, and above-mentioned space is by cylinder body
That one inner hole wall of 10 surrounds with body outer peripheral face and between the first cascaded surface 521 and second-order tread 12
Between annular space 13.
In a preferred embodiment of the present utility model, body includes protheca 51 and rear enclosure 52, protheca
51 threaded with rear enclosure 52, and protheca 51 is provided with annular protrusion, claw away from the end of rear enclosure 52
Offering cannelure in the endoporus of the afterbody of 20, annular protrusion is embedded in annular groove, and protheca 51 leads to
Cross annular protrusion and annular groove to be connected with claw 20.
In a preferred embodiment of the present utility model, twice the first sealing ring 33 is specifically separately positioned on
Between protheca 51 and mandrel 30 and between rear enclosure 52 and mandrel 30, and the first gas port 511 is opened
It is located on protheca 51.
For preventing pressed gas to run off between cylinder body 10 and actuator, between cylinder body 10 and protheca 51,
Being provided with the second sealing ring 513 between cylinder body 10 and rear enclosure 52, annular space 13 is positioned at twice second
Between sealing ring 513.So, the both sides of annular space 13 are blocked by the second sealing ring 513.
For making quick connector of the present utility model when idle, claw 20 is in minimum overhang all the time
State (actuator is in the second extreme position all the time in other words), on body, sheathed back-moving spring 60 (should
Back-moving spring 60 is stage clip), the two ends of back-moving spring 60 bear against the first cascaded surface 521 and second-order
Tread 12, so, even if not having the effect of pressed gas, under the effect of back-moving spring 60, drives
Part can remain at the second extreme position.
For making quick connector of the present utility model more preferable with the sealing effectiveness of part 100 to be measured, mandrel 30
End stretch out the end of protheca 51 and overlap 70 sealing shrouds with the pushing and pressing of an endoporus being arranged on claw 20
Connect, between the part to be measured 100 of the endoporus of pushing and pressing set 70 and insertion claw 20, be provided with end-face seal ring
80。
Above example is only exemplary embodiment of the present utility model, is not used in restriction this utility model,
Protection domain of the present utility model is defined by the claims.Those skilled in the art can be new in this practicality
In the essence of type and protection domain, this utility model is made various amendment or equivalent, this amendment
Or equivalent also should be regarded as in protection domain of the present utility model.
Claims (10)
1. a quick connector, the actuator including cylinder body, being arranged in described cylinder body, is arranged on institute
State the first end of cylinder body the claw being connected with described actuator, be arranged on the second end of described cylinder body and use
In pushing against the handle of described actuator, wearing described actuator and stretch into the mandrel of endoporus of described claw,
It is characterized in that, also include:
Filling channel, it is arranged on cylinder body；
Air guide channel, it is for connecting the endoporus of described filling channel and described claw；Wherein:
Described actuator is formed with the first cascaded surface towards described first end, is formed with court in described cylinder body
To the second-order tread of described first cascaded surface, described first cascaded surface limits shape with described second-order tread
The space of filling channel connection described in Cheng Youyu, the pressed gas in described space passes through described first ladder
Face pushes against described actuator and moves towards described second end.
Quick connector the most according to claim 1, it is characterised in that described actuator have by
First extreme position of described handle pushing and pressing and the second extreme position of being pushed against by described pressed gas, institute
State and between actuator and described mandrel, be formed with annulus, described actuator offers and described annular
First gas port of gap area, and when described actuator is in described second extreme position, described
One gas port connects with described space.
Quick connector the most according to claim 2, it is characterised in that offer in described mandrel
The air-filled pore leading to the endoporus of described claw and connect described annulus and described air-filled pore second is led
Pore, described air guide channel by described first gas port, described annulus, described second gas port with
And the connection of described air-filled pore is formed.
Quick connector the most according to claim 3, it is characterised in that described actuator is with described
Having spaced two first sealing rings between mandrel, described annulus is positioned at the first sealing described in two
Between circle.
Quick connector the most according to claim 4, it is characterised in that described actuator is body,
Described space is for be surrounded and between described first cascaded surface and described second-order by described cylinder body and described body
Annular space between tread.
Quick connector the most according to claim 5, it is characterised in that described body includes fixing
The protheca connected and rear enclosure, described protheca is formed with annular protrusion, described card away from the end of described rear enclosure
The afterbody of pawl is formed with cannelure, and it is interior with described that described protheca is fastened on cannelure by described annular protrusion
Claw connects.
Quick connector the most according to claim 6, it is characterised in that the first sealing ring described in two
Being separately positioned between described protheca and mandrel and between described rear enclosure and described mandrel, described first leads
Pore is opened on described protheca.
Quick connector the most according to claim 6, it is characterised in that described cylinder body with described before
Being provided with the second sealing ring between set, between described cylinder body and described rear enclosure, described annular space is positioned at
Described in two between second sealing ring.
Quick connector the most according to claim 6, it is characterised in that also include being set in described
Back-moving spring on body and between described first cascaded surface and second-order tread.
Quick connector the most according to claim 6, it is characterised in that the end of described mandrel
Stretch out the end of described protheca and overlap with the pushing and pressing of an endoporus being arranged on described claw and seal socket, described
Push against and be provided with end-face seal ring between the part to be measured of the endoporus overlapped and insert described claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334522.XU CN205716416U (en) | 2016-04-19 | 2016-04-19 | Quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334522.XU CN205716416U (en) | 2016-04-19 | 2016-04-19 | Quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205716416U true CN205716416U (en) | 2016-11-23 |
Family
ID=57298259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620334522.XU Active CN205716416U (en) | 2016-04-19 | 2016-04-19 | Quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205716416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985093A (en) * | 2017-04-19 | 2017-07-28 | 常州市盛士达汽车空调有限公司 | The clamping device that air tightness of workpiece is checked |
-
2016
- 2016-04-19 CN CN201620334522.XU patent/CN205716416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985093A (en) * | 2017-04-19 | 2017-07-28 | 常州市盛士达汽车空调有限公司 | The clamping device that air tightness of workpiece is checked |
| CN106985093B (en) * | 2017-04-19 | 2018-08-31 | 常州市盛士达汽车空调有限公司 | The clamping device of air tightness of workpiece inspection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |