CN207621012U - Shell leak test inlet duct and leakage testing device - Google Patents
Shell leak test inlet duct and leakage testing device Download PDFInfo
- Publication number
- CN207621012U CN207621012U CN201721665419.4U CN201721665419U CN207621012U CN 207621012 U CN207621012 U CN 207621012U CN 201721665419 U CN201721665419 U CN 201721665419U CN 207621012 U CN207621012 U CN 207621012U
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- China
- Prior art keywords
- air
- guide rod
- cylinder
- leak test
- blocking
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Abstract
The utility model provides a kind of shell leak test inlet duct and leakage testing device, is related to the technical field of leakage testing device, including：Cylinder, the cylinder is interior to be equipped with piston, and the piston is slidably and sealingly connected with the cylinder；The end of the cylinder, which is equipped with, to be blocked, and the blocking is fixedly connected with the cylinder, and closed air chamber is formed between the cylinder, the piston and the blocking；The air-guide rod through the blocking and the piston is additionally provided in the cylinder, the air-guide rod is fixedly connected with the piston, and the air-guide rod is slidably and sealingly connected with the blocking；The first passage for being connected to inlet end with the closed air chamber is equipped in the air-guide rod, the first passage is equipped with the first air inlet and the second air inlet；It is additionally provided with second channel in the air-guide rod.Alleviate it is existing in the prior art there is presently no it is a kind of for gas pin gun whether gas leakage leak test inlet duct the technical issues of.
Description
Technical field
The utility model is related to leakage testing device technical fields, are filled more particularly, to a kind of shell leak test inlet duct and leak test
It sets.
Background technology
Pneumatic nail gun is a kind of in the common gas pin gun in the fields such as building, decoration, packaging, Furniture manufacturing, its profit
Rifle is followed closely into high speed and is projected using compressed air as power with the principle of blow cylinder.Compressed air impact gun needle in cylinder, rifle
Needle again follow closely by Collision gun, and rifle is followed closely high speed injection and is hammered into object.Pneumatic nail gun has and works long hours compared with electric nail gun
Be not easy to generate heat, adjust intake valve can step-less adjustment nailing force size, excess load phenomenon release after can recover immediately normal work
Make, is suitable for various bad or rugged environment, pollution-free substance in exhaust.Therefore, pneumatic nail gun belongs to safety and environmental protection class
High-speed automated tool is widely used in the fields such as decoration, packaging and industrial production.
With the requirement of improvement and the energy-saving and emission-reduction of technology, whether enterprise and client more and more pay close attention to gas pin gun
Gas leakage, how is air leakage.But there is presently no it is a kind of for gas pin gun whether the detection device of gas leakage.Ailing machine consumes
Tolerance is unable to measure, and is not known about to the energy consumption of product, and the research and development of the raising and low energy product of properties of product are directly affected.
Utility model content
The first of the utility model is designed to provide a kind of shell leak test inlet duct, is existed in the prior art with alleviating
There is presently no it is a kind of for gas pin gun whether gas leakage leak test inlet duct the technical issues of.
Based on above-mentioned first purpose, shell leak test inlet duct provided by the utility model, including：Cylinder, the cylinder
Interior to be equipped with piston, the piston is slidably and sealingly connected with the cylinder；
The end of the cylinder, which is equipped with, to be blocked, and the blocking is fixedly connected with the cylinder, the cylinder, the piston and
Closed air chamber is formed between the blocking；
The air-guide rod through the blocking and the piston is additionally provided in the cylinder, the air-guide rod is solid with the piston
Fixed connection, and the air-guide rod is slidably and sealingly connected with the blocking；
It is equipped with the first passage for being connected to inlet end with the closed air chamber in the air-guide rod, is set on the first passage
There are the first air inlet and the second air inlet；
Second channel is additionally provided in the air-guide rod, the second channel is equipped with third air inlet and gas outlet, third
Air inlet is connected to gas outlet, and the third air inlet is slidably and sealingly connected with the blocking.
As further technical solution, sealing ring is equipped between the blocking and the air-guide rod.
As further technical solution, the end of the air-guide rod is equipped with screw thread.
As further technical solution, the air-guide rod is connect with the piston by nut.
As further technical solution, the blocking is connect with the cylinder screw.
As further technical solution, when air inlet, the third air inlet is connected to the closed air chamber.
As further technical solution, the air-guide rod is equipped with plastic flexible pipe close to one end of the blocking.
As further technical solution, the air-guide rod middle section is equipped with boss.
As further technical solution, the shape for blocking inner wall is adapted with the air-guide rod.
The second of the utility model is designed to provide a kind of shell leak test inlet duct, is existed in the prior art with alleviating
There is presently no it is a kind of for gas pin gun whether gas leakage detection device the technical issues of.
Based on above-mentioned second purpose, leakage testing device provided by the utility model, including the shell leak test inlet duct.
What the utility model was brought has the beneficial effect that：
Shell leak test inlet duct provided by the utility model includes：Cylinder, cylinder is interior to be equipped with piston, and piston is slided with cylinder
Dynamic sealing connects；The end of cylinder, which is equipped with, to be blocked, and blocking is fixedly connected with cylinder, and closing is formed between cylinder, piston and blocking
Gas chamber；It is additionally provided in cylinder through the air-guide rod blocked with piston, air-guide rod is fixedly connected with the piston, and air-guide rod is slided with blocking
Dynamic sealing connects；Be equipped with the first passage that inlet end be connected to closed air chamber in air-guide rod, first passage equipped with first into
Gas port and the second air inlet；Second channel is additionally provided in air-guide rod, second channel is equipped with third air inlet and gas outlet, third
Air inlet is connected to gas outlet, and third air inlet is slidably and sealingly connected with blocking.In use, gas outlet and shell to be detected are connected
It connects, compressed air enters the second air inlet by the first air inlet of air-guide rod, enters cylinder, piston and blocking from the second air inlet
Between form closed air chamber, compressed air pushes piston driving air-guide rod to moving to left (the air inlet extreme direction of cylinder), while third
Air inlet is connected with moving to left for air-guide rod with closed air chamber, and compressed air enters housing chamber by third air inlet by gas outlet
It is interior, make to be full of compressed air in housing chamber, by observe bubble judge shell whether gas leakage.Shell provided by the utility model
Leak test inlet duct is simple in structure, and operability is strong.
In addition, the utility model additionally provides a kind of leakage testing device, including the shell leak test inlet duct.Wherein,
Structure, operation principle and the advantageous effect of shell leak test inlet duct carry out in the advantageous effect of shell leak test inlet duct
It is described in detail, details are not described herein.Above-mentioned leakage testing device and shell leak test inlet duct provided by the utility model relative to
Advantage possessed by the prior art is identical, and details are not described herein.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the first structural schematic diagram for the shell leak test inlet duct that the utility model embodiment provides；
Fig. 2 is second of structural schematic diagram of the shell leak test inlet duct that the utility model embodiment provides.
Icon：1- cylinders；2- pistons；3- is blocked；4- air-guide rods；5- closed air chambers；6- first passages；7-
Two channels；The first air inlets of 61-；The second air inlets of 62-；71- third air inlets；The gas outlets 72-；8- nuts；9- is close
Seal；10- shells；11- plastic flexible pipes；12- inlet ends.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first " such as occur, " second ", being used for description purposes only, it is not understood to indicate or imply relative importance.
Wherein, term " first position " and " second position " are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model provides a kind of shell leak test inlet duct and leakage testing device, and multiple embodiments are given below to this
The shell leak test inlet duct and leakage testing device that utility model provides are described in detail.
Fig. 1 is the first structural schematic diagram for the shell leak test inlet duct that the utility model embodiment provides；Fig. 2 is this
Second of structural schematic diagram of the shell leak test inlet duct that utility model embodiment provides.
Embodiment one
As shown in Figs. 1-2, the 10 leak test inlet duct of shell that the utility model embodiment one provides, including：Cylinder 1, cylinder
Piston 2 is equipped in body 1, piston 2 is slidably and sealingly connected with cylinder 1；The end of cylinder 1, which is equipped with, blocks 3, blocks 3 and is fixed with cylinder 1
Connection forms closed air chamber 5 between cylinder 1, piston 2 and blocking 3；It is additionally provided in cylinder 1 through the air guide for blocking 3 and piston 2
Bar 4, air-guide rod 4 are fixedly connected with piston 2, and air-guide rod 4 is slidably and sealingly connected with blocking 3；It is equipped with inlet end in air-guide rod 4
12 first passages 6 being connected to closed air chamber 5, first passage 6 are equipped with the first air inlet 61 and the second air inlet 62；Air guide
It is additionally provided with second channel 7 in bar 4, second channel 7 is equipped with third air inlet 71 and gas outlet 72, third air inlet 71 and goes out
Gas port 72 is connected to, and third air inlet 71 is slidably and sealingly connected with blocking 3.
10 leak test inlet duct of shell provided by the utility model includes：Cylinder 1, cylinder 1 is interior to be equipped with piston 2, piston 2
It is slidably and sealingly connected with cylinder 1；The end of cylinder 1, which is equipped with, blocks 3, blocks and 3 is fixedly connected with cylinder 1, cylinder 1, piston 2 and blocks up
Closed air chamber 5 is formed between plug 3；It is additionally provided in cylinder 1 through the air-guide rod 4 for blocking 3 and piston 2, air-guide rod 4 is solid with piston 2
Fixed connection, and air-guide rod 4 is slidably and sealingly connected with blocking 3；It is equipped in air-guide rod 4 and to be connected to inlet end 12 with closed air chamber 5
First passage 6, first passage 6 are equipped with the first air inlet 61 and the second air inlet 62；Second channel 7 is additionally provided in air-guide rod 4,
Second channel 7 is equipped with third air inlet 71 and gas outlet 72, and third air inlet 71 is connected to gas outlet 72, third air inlet 71
It is slidably and sealingly connected with blocking 3.In use, gas outlet 72 is connect with shell 10 to be detected, compressed air is by the of air-guide rod 4
One air inlet 61 enters the second air inlet 62, enters between cylinder 1, piston 2 and blocking 3 from the second air inlet 62 and forms closing gas
Room 5, compressed air pushes piston 2 to drive air-guide rod 4 to moving to left in (12 direction of inlet end of cylinder 1), while third air inlet 71
As moving to left for air-guide rod 4 is connected with closed air chamber 5, compressed air enters shell 10 by third air inlet 71 by gas outlet 72
Intracavitary, make 10 intracavitary of shell be full of compressed air, by observe bubble come judge shell 10 whether gas leakage.The utility model provides
10 leak test inlet duct of shell it is simple in structure, operability is strong.
It should be noted that be tightly connected between piston 2 and the inner wall of cylinder 1, it can be in the inner wall of piston 2 and cylinder 1
Between be arranged sealing ring 9.
It is tightly connected, can be being blocked in 3 and cylinder 1 between 3 and the inner wall of cylinder 1 it should also be noted that, blocking
Sealing ring 9 is set between wall.
It should also be noted that, the quantity of sealing ring 9 can be one, two, three, four ...
In the alternative of the present embodiment, blocks and be equipped with sealing ring 9 between 3 and air-guide rod 4.The quantity of sealing ring 9 can be with
It is one, two, three, four ...
In the alternative of the present embodiment, the end of air-guide rod 4 is equipped with screw thread.
It should be noted that one section of air-guide rod 4 can be equipped with screw thread, can also spiral shell be all set at the both ends of air-guide rod 4
Line.
Preferably, the both ends of air-guide rod 4 are all threaded, and screw thread is external screw thread.
In the alternative of the present embodiment, air-guide rod 4 is connect with piston 2 by nut 8.
It should be noted that air-guide rod 4 is connect with piston 2 by fastener.Fastener is to be fastenedly connected use and application
Extremely wide a kind of machine components.Fastener includes：Bolt, stud, screw, nut 8, washer, pin.
Nut 8 is to carry internal thread hole, and shape generally manifests as flat hexagonal cylindricality, also has in flat cylindricality or oblate column
Shape, fitted bolt, stud or machine screw make an entirety for being fastenedly connected two parts.
In the alternative of the present embodiment, blocks 3 and be threadedly coupled with cylinder 1.
Threaded connection, which is that one kind is widely used, to be removably fixedly connected, with simple in structure, connection is reliable, assembly and disassembly side
Just the advantages that.Screw thread can be triangle, rectangle, trapezoidal and saw-tooth thread etc..
In the alternative of the present embodiment, when air inlet, third air inlet 71 is connected to closed air chamber.
In use, gas outlet 72 is connect with shell 10 to be detected, compressed air by air-guide rod 4 the first air inlet 61 into
Enter the second air inlet 62, enters between cylinder 1, piston 2 and blocking 3 from the second air inlet 62 and form closed air chamber 5, compressed air
Piston 2 is pushed to drive air-guide rod 4 to moving to left (12 direction of inlet end of cylinder 1), while third air inlet 71 is with air-guide rod 4
It moves to left and is connected with closed air chamber 5, compressed air enters 10 intracavitary of shell by third air inlet 71 by gas outlet 72, makes shell 10
Intracavitary be full of compressed air, by observe bubble come judge shell 10 whether gas leakage.In the alternative of the present embodiment, air-guide rod
4 middle sections are equipped with boss.
In the alternative of the present embodiment, air-guide rod 4 is equipped with plastic flexible pipe 11 close to the one end for blocking 3.
In use, gas outlet 72 is connect with shell 10 to be detected, compressed air by air-guide rod 4 the first air inlet 61 into
Enter the second air inlet 62, enters between cylinder 1, piston 2 and blocking 3 from the second air inlet 62 and form closed air chamber 5, compressed air
Piston 2 is pushed to drive air-guide rod 4 to moving to left in (12 direction of inlet end of cylinder 1), plastic flexible pipe 11 is used for shell 10 and air guide
Sealing between bar 4, at the same third air inlet 71 with air-guide rod 4 move to left with closed air chamber 5 connect, compressed air is by third
Air inlet 71 enters 10 intracavitary of shell by gas outlet 72, and 10 intracavitary of shell is made to be full of compressed air, is sentenced by observing bubble
Disconnected shell 10 whether gas leakage.In the alternative of the present embodiment, 4 middle section of air-guide rod is equipped with boss.
In the alternative of the present embodiment, the shape for blocking 3 inner walls is adapted with air-guide rod 4.
The Intaker controller of gas pin gun, includes an air inlet runner being set at handle, an exposed trigger,
One can extend into the push rod at air inlet runner from trigger；Trigger sealing ring and resetting spring are provided on the push rod；It is described
Leak-proof gasket, lock screw, outside framework oil seal, inclined valve, inclination valve spring, O types circle and air inlet are disposed in air inlet runner
Connector；The inclined valve includes a gear-like valve body, and it is two parts diameter to have inclination valve rod, the inclination valve rod among valve body
Different cylindrical shapes, the different two parts junction of diameter for tilting valve rod be by the small part of diameter be gradually expanded to
The arc of the big part of diameter connects；The centre position of the big part of diameter of the valve rod is equipped with gear-like valve body, institute
State upper end of the big part lower end of stem diameter for being inserted into inclined springs；The small partial insertion of the stem diameter is by leakage proof gasket
It encloses, lock screw, it is described to tilt the different same outside framework oil seal in arc coupling part of stem diameter in the channel of outside framework oil seal composition
Common closing air inlet runner；The inlet suction port is connected by the screw thread on top with handle.
When cocking, the push rod being connected with trigger makes the generation of inclination valve body incline by the thin portion of promotion inclination valve rod
Tiltedly, at this moment the valve body of gear-like is connected to by the gap between two teeth with the top of inlet channel between outside framework oil seal, air-flow
Into the cylinder of gas pin gun, the move distance very little of valve body is tilted, there is also mills although tilting between valve body and outside framework oil seal
Damage problem, but as long as replacement one tilts valve body or outside framework oil seal can be solved, and inlet duct is ground with shell 10 without opposite
Damage place.
Embodiment two
The second of the utility model is designed to provide a kind of 10 leak test inlet duct of shell, is deposited in the prior art with alleviating
There is presently no it is a kind of for gas pin gun whether gas leakage detection device the technical issues of.
Based on above-mentioned second purpose, what the leakage testing device of the offer of the utility model embodiment two, including embodiment one provided
10 leak test inlet duct of shell.
Wherein, structure, operation principle and the advantageous effect of 10 leak test inlet duct of shell are filled in 10 leak test air inlet of shell
It is described in detail in the advantageous effect set, details are not described herein.Above-mentioned leakage testing device and shell provided by the utility model
Possessed advantage is identical compared with the existing technology for 10 leak test inlet ducts, and details are not described herein.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of shell leak test inlet duct, which is characterized in that including：Cylinder, is equipped with piston in the cylinder, the piston with
The cylinder is slidably and sealingly connected with；
The end of the cylinder, which is equipped with, to be blocked, and the blocking is fixedly connected with the cylinder, the cylinder, the piston and described
Closed air chamber is formed between blocking；
The air-guide rod through the blocking and the piston is additionally provided in the cylinder, the air-guide rod is fixed with the piston to be connected
It connects, and the air-guide rod is slidably and sealingly connected with the blocking；
It is equipped with the first passage that inlet end be connected to the closed air chamber in the air-guide rod, the first passage is equipped with the
One air inlet and the second air inlet；
Second channel is additionally provided in the air-guide rod, the second channel is equipped with third air inlet and gas outlet, third air inlet
Mouth is connected to gas outlet, and the third air inlet is slidably and sealingly connected with the blocking.
2. shell leak test inlet duct according to claim 1, which is characterized in that between the blocking and the air-guide rod
Equipped with sealing ring.
3. shell leak test inlet duct according to claim 1, which is characterized in that the end of the air-guide rod is equipped with spiral shell
Line.
4. shell leak test inlet duct according to claim 1, which is characterized in that the air-guide rod passes through with the piston
Nut connects.
5. shell leak test inlet duct according to claim 1, which is characterized in that the blocking connects with the cylinder screw
It connects.
6. shell leak test inlet duct according to claim 1, which is characterized in that when air inlet, the third air inlet with
The closed air chamber connection.
7. shell leak test inlet duct according to claim 1, which is characterized in that the air-guide rod is close to the blocking
One end is equipped with plastic flexible pipe.
8. shell leak test inlet duct according to claim 1, which is characterized in that the air-guide rod middle section is equipped with convex
Platform.
9. shell leak test inlet duct according to claim 1, which is characterized in that it is described block inner wall shape with it is described
Air-guide rod is adapted.
10. a kind of leakage testing device, which is characterized in that including claim 1-9 any one of them shell leak test inlet ducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665419.4U CN207621012U (en) | 2017-12-04 | 2017-12-04 | Shell leak test inlet duct and leakage testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665419.4U CN207621012U (en) | 2017-12-04 | 2017-12-04 | Shell leak test inlet duct and leakage testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621012U true CN207621012U (en) | 2018-07-17 |
Family
ID=62825628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721665419.4U Expired - Fee Related CN207621012U (en) | 2017-12-04 | 2017-12-04 | Shell leak test inlet duct and leakage testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621012U (en) |
-
2017
- 2017-12-04 CN CN201721665419.4U patent/CN207621012U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20201204 |