CN205262695U - Airtight pressurize test equipment - Google Patents
Airtight pressurize test equipment Download PDFInfo
- Publication number
- CN205262695U CN205262695U CN201521105227.9U CN201521105227U CN205262695U CN 205262695 U CN205262695 U CN 205262695U CN 201521105227 U CN201521105227 U CN 201521105227U CN 205262695 U CN205262695 U CN 205262695U
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- Prior art keywords
- seal chamber
- valve shaft
- sealing ring
- seal
- pressure
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Abstract
The utility model relates to a test equipment technology field especially relates to an airtight pressurize test equipment. Airtight pressurize test equipment includes a seal chamber and the 2nd seal chamber, wherein, a seal chamber is connected with the air supply to be used for the pressurize and to the 2nd seal chamber air feed, the 2nd seal chamber is used for placing and treats testing apparatus, all be provided with controlling means on connecting line between a seal chamber and the air supply and the connecting line between a seal chamber and the 2nd seal chamber, the control that is used for ventilating, dies of this controlling means, still including the pressure measurement and the 2nd pressure measurement that are used for detecting a seal chamber and the 2nd seal chamber internal pressure respectively. By adopting the above structure, the utility model the gas tightness of treating testing apparatus that can be quick, accurate detects to have simple structure, make the advantage of hanging down with use cost.
Description
Technical field
The utility model relates to checkout equipment technical field, relates in particular to a kind of airtight pressurize testing equipment.
Background technology
Airtight pressure-maintaining test device is for mobile phone, the pressurize of the airtight test of electronic watch, voltage adjusting device. Along withThe development of society, human cost by liter, the rise of automation industry, being widely used of automation equipment,Cannot replace, and wideling popularize of this important tool of automation equipment can be saved to every profession and tradeA large amount of man power and materials. Can play the quality that improves product, increase the object of output value benefit.
Under this background, detect the airtight equipment of industry automation and also apply and give birth to. But existing airtight inspectionThere is complex structure in measurement equipment, the problem that manufacturing cost and use cost is higher.
For the problems referred to above, a kind of airtight pressurize testing equipment is provided, it can solve in existing technologyThere is complex structure, the problem that manufacturing cost and use cost is high.
Utility model content
The purpose of this utility model is to propose a kind of airtight pressurize testing equipment, can solve in prior artThere is complex structure, the problem that manufacturing cost and use cost is high.
For reaching this object, the utility model by the following technical solutions:
A kind of airtight pressurize testing equipment, it comprises the first seal chamber and the second seal chamber, wherein, instituteState the first seal chamber and be connected with source of the gas, and for pressurize and to the second seal chamber air feed, described secondSeal chamber is used for placing tested device;
Connecting line between described the first seal chamber and source of the gas and the first seal chamber and the second seal chamberBetween connecting line on be provided with control device, this control device for ventilation, the control of dying;
Also comprise the first pressure detecting that is respectively used to detect the first seal chamber and the second seal chamber internal pressureDevice and the second pressure-detecting device.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, described control device comprise valve shaft andAxis hole, described valve shaft and axis hole are slidably connected, and on described valve shaft, are provided with annular groove;
The valve shaft and the axis hole that are arranged between the first seal chamber and source of the gas are the first valve shaft and the first axleHole, be arranged on valve shaft between the first seal chamber and the second seal chamber and axis hole and be the second valve shaft andThe second axis hole;
Also comprise gas source inlet and the first seal chamber import, when under the state of dying, gas source inlet andThe annular groove of one valve shaft is communicated with, and the first seal chamber import is sealed by the first valve shaft, when in ventilationUnder state, gas source inlet and the first seal chamber import are all communicated with annular groove and both pass through annular grooveBe communicated with;
Also comprise the first seal chamber outlet and the second seal chamber import, when under the state of dying, firstSeal chamber outlet is communicated with the annular groove of the second valve shaft, and the second seal chamber import is by the second valve shaftSealing, when under aeration status, the first seal chamber outlet and the second seal chamber import all with the second gasThe annular groove of valve shaft is communicated with and both are communicated with by annular groove.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, on described valve shaft, be provided with three closeSeal, is respectively the first sealing ring, the second sealing ring and the 3rd sealing ring, wherein, and the first sealing ring andTwo sealing rings are separately positioned on the two ends of annular groove, and the 3rd sealing ring and the second sealing ring interval arrange and positionIn the region except annular groove;
When under the state of dying, described gas source inlet is positioned at the first sealing ring of the first valve shaft and second closeBetween seal, described the first seal chamber import is positioned at the second sealing ring and the 3rd sealing ring of the first valve shaftBetween, when under aeration status, described gas source inlet and the first seal chamber import are all positioned at the first air valveBetween first sealing ring and the second sealing ring of axle;
When under the state of dying, described the first seal chamber outlet is positioned at the first sealing ring of the second valve shaftWith second between sealing ring, described the second seal chamber import is positioned at second sealing ring and of the second valve shaftBetween three sealing rings, when in aeration status, described the first seal chamber outlet and the second seal chamber importAll between first sealing ring and the second sealing ring of the second valve shaft.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, the two ends of described valve shaft connect respectivelyHave cylinder and spring, this valve shaft moves back and forth under the effect of cylinder and spring.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, the two ends of described valve shaft are arranged with directlyBobbin holds, and described valve shaft is arranged in axis hole by linear bearing.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, in described the first seal chamber, be provided withPressure regulation piece, quantity and/or the volume of described pressure regulation piece are adjustable.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, described the first seal chamber and second closeOn envelope cavity, be provided with opening and be provided with sealing cover body to be opened/closed at openend.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, described pressure-detecting device is that pressure passesSensor.
As a kind of preferred version of above-mentioned airtight pressurize testing equipment, also comprise treatment system, described processingSystem, described control device, the first pressure-detecting device and the second pressure-detecting device are all logical with treatment systemNews connect, and described treatment system is according to the detected value control of the first pressure-detecting device and the second pressure-detecting deviceThe operation of control device processed.
The beneficial effects of the utility model are: the application is by the first seal chamber, the second seal chamber, controlThe cooperation of device processed and pressure-detecting device can be examined the air-tightness of tested device fast and accuratelySurvey, and have simple in structure, the advantage that manufacturing cost and use cost is low.
Brief description of the drawings
Fig. 1 is the structural representation of the airtight pressurize testing equipment that provides of the utility model detailed description of the invention;
Fig. 2 is the cutaway view of the airtight pressurize testing equipment that provides of the utility model detailed description of the invention.
Wherein:
1: the first seal chamber; 2: the first seal covers; 3: the second seal chambers; 4: the second seal covers;5: the second pressure-detecting devices; 6: the second cylinders; 7: the first pressure-detecting devices; 8: the first gasCylinder; 9: tested device; 10: first passage; Seal chamber outlet in 11: the first; 12: second channel;13: the second valve shafts; 14: the second springs; 15: the first seal chamber cavity volumes; 16: the first valve shafts;17: the first springs; 18: the three sealing rings; Seal chamber import in 19: the first; 20: the second sealing rings;21: gas source inlet; 22: the first sealing rings; 23: pressure regulation piece; 24: linear bearing.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
As shown in Figure 1, present embodiment provides a kind of airtight pressurize testing equipment, and airtight pressurize test is establishedFor comprising the first seal chamber 1 and the second seal chamber 3, wherein, the first seal chamber 1 is connected with source of the gas,And for pressurize and to the second seal chamber 3 air feed, the second seal chamber 3 is for placing tested device 9.
Connecting line between the first seal chamber 1 and source of the gas and the first seal chamber 1 and the second seal chamber 3Between connecting line on be provided with control device, this control device for ventilation, the control of dying.
Also comprise the first pressure that is respectively used to detect the first seal chamber 1 and the second seal chamber 3 internal pressuresCheckout gear 7 and the second pressure-detecting device 5.
The application can detect the air-tightness of tested device 9 fast and accurately by said structure,And have simple in structure, the advantage that manufacturing cost and use cost is low.
The concrete structure of above-mentioned control device is: control device comprises valve shaft and axis hole, valve shaft and axis holeBe slidably connected, on valve shaft, be provided with annular groove.
The valve shaft and the axis hole that are arranged between the first seal chamber 1 and source of the gas are the first valve shaft 16 and firstAxis hole, the valve shaft and the axis hole that are arranged between the first seal chamber 1 and the second seal chamber 3 are the second gasValve shaft 13 and the second axis hole.
Also comprise gas source inlet 21 and the first seal chamber import 19, when under the state of dying, gas source inlet21 are communicated with the annular groove of the first valve shaft 16, and the first seal chamber import 19 is by the first valve shaft 16 envelopesClose, when under aeration status, gas source inlet 21 and the first seal chamber import 19 all connect with annular grooveLogical and both be communicated with by annular groove.
Also comprise the first seal chamber outlet 11 and the second seal chamber import, the second seal chamber import is concreteComprise the first passage 10 being positioned on the second seal chamber 3 and be positioned at second on the first seal chamber 1 logicalRoad 12. When under the state of dying, the annular groove of the first seal chamber outlet 11 and the second valve shaft 13Be communicated with, second channel 12 entrance points of the second seal chamber import are sealed by the second valve shaft 13, when inUnder aeration status, second channel 12 entrance points of the first seal chamber outlet 11 and the second seal chamber importAll be communicated with the annular groove of the second valve shaft 13 and both are communicated with by annular groove.
In order to increase the air-tightness of valve shaft, on valve shaft, be provided with three sealing rings, be respectively the first sealingCircle 22, the second sealing ring 20 and the 3rd sealing ring 18, wherein, the first sealing ring 22 and the second sealing ring 20Be separately positioned on the two ends of annular groove, the 3rd sealing ring 18 and the second sealing ring 20 intervals arrange and are positioned atRegion except annular groove.
When under the state of dying, gas source inlet 21 is positioned at first sealing ring 22 and of the first valve shaft 16Between two sealing rings 20, the first seal chamber import 11 is positioned at the second sealing ring 20 of the first valve shaft 16With the 3rd between sealing ring 18, when under aeration status, gas source inlet 21 and the first seal chamber import11 all between first sealing ring 22 and the second sealing ring 20 of the first valve shaft 16.
When under the state of dying, the first seal chamber outlet 11 is positioned at the first sealing of the second valve shaft 13Circle 22 and second is between sealing ring 20, and the import of the second seal chamber 20 is positioned at the of the second valve shaft 13Between two sealing rings 20 and the 3rd sealing ring 18, when in aeration status, the first seal chamber outlet 11 HesSecond channel 12 inlet ends of the second seal chamber import are all positioned at the first sealing ring 22 of the second valve shaft 13And second between sealing ring 20.
In the present embodiment, realize gas source inlet 21 and by the reciprocating motion of the first valve shaft 16Connected sum between one seal chamber import 19 disconnects, and comes real by the reciprocating motion of the second valve shaft 13Connected sum between existing the first seal chamber outlet 11 and second channel 12 entrance points of the second seal chamber is disconnectedOpen. Realizing the concrete structure that the reciprocating motion of valve shaft adopts is: the two ends of valve shaft are connected with respectivelyCylinder and spring, this valve shaft moves back and forth under the effect of cylinder and spring. Be arranged on the first valve shaft 16The cylinder at two ends and spring are respectively the first cylinder 8 and the first spring 17, are arranged on the second valve shaft 13 two endsCylinder and spring be respectively the second cylinder 6 and the second spring 14.
For the ease of the movement of valve shaft, the two ends of valve shaft are arranged with linear bearing 24, and valve shaft is by straightBobbin holds 24 and is arranged in axis hole.
For the accurate air inflow of controlling the first annular seal space 1 and the second annular seal space 3, the first seal chamber 1Inside be provided with pressure regulation piece 23, quantity and/or the volume of this pressure regulation piece 23 are adjustable. Concrete, the first annular seal spaceBody 1 comprises the first seal chamber cavity volume 15, and pressure regulation piece 23 is arranged in the first seal chamber cavity volume 15.
For the ease of opening and closing the first seal chamber 1 and the second seal chamber 3, the first seal chamber 1 HesOn the second seal chamber 3, be provided with opening and be provided with sealing cover body to be opened/closed at openend, arrangingSealing cover body on the first seal chamber 1 is the first seal cover 2, is arranged on close on the second seal chamber 3Closure body is the second seal cover 4.
Above-mentioned pressure-detecting device is pressure sensor.
Airtight pressurize testing equipment also comprises treatment system, control device, the first pressure-detecting device 7 andTwo pressure-detecting devices 5 are all connected with treatment system communication, and treatment system is according to the first pressure-detecting device 7With the operation of the detected value control control device of the second pressure-detecting device 5, and then realize the first annular seal spacePressure in body 1 and the second seal chamber 3 regulates, and detects.
For above-mentioned airtight pressurize testing equipment is further explained, the application also provides above-mentioned gasThe concrete course of work of password protection pressing detecting device. Specifically as described below:
The ventilation of the first seal chamber 1, the control of dying: gas enters from gas source inlet 21, now source of the gasImport 21 is positioned at the annular groove place of the first valve shaft 16, and the first seal chamber import 19 is positioned at the first air valveBetween the second sealing ring 20 of axle 16 and the 3rd sealing ring 18, sealed gas source inlet by the first valve shaft 1621 and first seal chamber import 19 be not communicated with gas and can not enter the first seal chamber 1. With the first valve shaft16 connected cylinders drive the first valve shaft 16 to move, and make gas source inlet 21 and the first seal chamber import 19The annular groove place that is all positioned at the first valve shaft 16, both are communicated with by annular groove, and it is first close that gas entersIn envelope cavity 1. Pressure-detecting device on the first seal chamber 1 detects in the first seal chamber 1Pressure reaches after setting pressure, and the first valve shaft 16, under the drive of cylinder and under the effect of spring, resetsTo initial position, enter packing state.
The ventilation of the second seal chamber 3, the control of dying, the ventilation of the second seal chamber 3, die control withThe ventilation of the first seal chamber 1, the control procedure of dying be with identical, its be by the second valve shaft 13 back and forthMotion realizes connection between the first seal chamber outlet 11 and the second seal chamber import or disconnection.
The test mode of product, in the time that the pressure in the second seal chamber 3 reaches setup pressure value, pressurize oneThe section time, if the change value of pressure in the second seal chamber 3 is judged and is produced in the pressure constant interval of settingProduct have good air-tightness, otherwise judge that the air-tightness of product is poor.
Know-why of the present utility model has below been described in conjunction with specific embodiments. These are described just for understandingRelease principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate this realityBy other novel detailed description of the invention, within these modes all will fall into protection domain of the present utility model.
Claims (9)
1. an airtight pressurize testing equipment, is characterized in that, comprises the first seal chamber (1) and secondSeal chamber (3), wherein, described the first seal chamber (1) is connected with source of the gas, and for pressurize and toThe second seal chamber (3) air feed, described the second seal chamber (3) is for placing tested device;
Connecting line between described the first seal chamber (1) and source of the gas and the first seal chamber (1) and theOn connecting line between two seal chambers (3), be provided with control device, this control device for ventilation,The control of dying;
Also comprise and be respectively used to detect of the first seal chamber (1) and the second seal chamber (3) internal pressureOne pressure-detecting device (7) and the second pressure-detecting device (5).
2. airtight pressurize testing equipment according to claim 1, is characterized in that described control deviceComprise valve shaft and axis hole, described valve shaft and axis hole are slidably connected, and are provided with annular recessed on described valve shaftGroove;
The valve shaft and the axis hole that are arranged between the first seal chamber (1) and source of the gas are the first valve shaft (16)With the first axis hole, be arranged on valve shaft between the first seal chamber (1) and the second seal chamber (3) andAxis hole is the second valve shaft (13) and the second axis hole;
Also comprise gas source inlet (21) and the first seal chamber import (19), when under the state of dying, gasSource import (21) is communicated with the annular groove of the first valve shaft (16), the first seal chamber import (19)By the first valve shaft (16) sealing, when under aeration status, gas source inlet (21) and the first annular seal spaceBody import (19) is all communicated with annular groove and both are communicated with by annular groove;
Also comprise the first seal chamber outlet (11) and the second seal chamber import, when under the state of dying,The first seal chamber outlet (11) is communicated with the annular groove of the second valve shaft (13), the second seal chamberImport is by the second valve shaft (13) sealing, and when under aeration status, the first seal chamber exports (11)All be communicated with the annular groove of the second valve shaft (13) with the second seal chamber import and both by annular recessedGroove is communicated with.
3. airtight pressurize testing equipment according to claim 2, is characterized in that, on described valve shaftBeing provided with three sealing rings, is respectively the first sealing ring (22), the second sealing ring (20) and the 3rd sealing ring(18), wherein, the first sealing ring (22) and the second sealing ring (20) are separately positioned on two of annular grooveEnd, the 3rd sealing ring (18) arranges and is positioned at except annular groove with the second sealing ring (20) intervalRegion;
When under the state of dying, described gas source inlet (21) is positioned at the first close of the first valve shaft (16)Between seal (22) and the second sealing ring (20), described the first seal chamber import (19) is positioned at firstBetween second sealing ring (20) of valve shaft (16) and the 3rd sealing ring (18), when in aeration statusUnder, described gas source inlet (21) and the first seal chamber import (19) are all positioned at the first valve shaft (16)The first sealing ring (22) and the second sealing ring (20) between;
When under the state of dying, described the first seal chamber outlet (11) is positioned at the second valve shaft (13)The first sealing ring (22) and the second sealing ring (20) between, described the second seal chamber import is positioned atBetween second sealing ring (20) of two valve shafts (13) and the 3rd sealing ring (18), when in ventilation shapeState, described the first seal chamber outlet (11) and the second seal chamber import are all positioned at the second valve shaft (13)The first sealing ring (22) and the second sealing ring (20) between.
4. airtight pressurize testing equipment according to claim 2, is characterized in that, described valve shaftTwo ends are connected with respectively cylinder and spring, and this valve shaft moves back and forth under the effect of cylinder and spring.
5. airtight pressurize testing equipment according to claim 2, is characterized in that, described valve shaftTwo ends are arranged with linear bearing (24), and described valve shaft is arranged in axis hole by linear bearing (24).
6. airtight pressurize testing equipment according to claim 1, is characterized in that, described the first sealingIn cavity (1), be provided with pressure regulation piece (23), quantity and/or the volume of described pressure regulation piece (23) are adjustable.
7. airtight pressurize testing equipment according to claim 1, is characterized in that, described the first sealingOn cavity (1) and the second seal chamber (3), be provided with opening and be provided with to be opened/closed at openendSealing cover body.
8. airtight pressurize testing equipment according to claim 1, is characterized in that described pressure detectingDevice is pressure sensor.
9. airtight pressurize testing equipment according to claim 1, is characterized in that, also comprises and processes systemSystem, described control device, the first pressure-detecting device (7) and the second pressure-detecting device (5) all with locateReason system communication connects, and described treatment system is according to the first pressure-detecting device (7) and the second pressure detecting dressPut the operation of the detected value control control device of (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105227.9U CN205262695U (en) | 2015-12-28 | 2015-12-28 | Airtight pressurize test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105227.9U CN205262695U (en) | 2015-12-28 | 2015-12-28 | Airtight pressurize test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205262695U true CN205262695U (en) | 2016-05-25 |
Family
ID=56004217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521105227.9U Withdrawn - After Issue CN205262695U (en) | 2015-12-28 | 2015-12-28 | Airtight pressurize test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205262695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444968A (en) * | 2015-12-28 | 2016-03-30 | 苏州赛腾精密电子股份有限公司 | Air tightness pressure-maintaining test apparatus |
-
2015
- 2015-12-28 CN CN201521105227.9U patent/CN205262695U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444968A (en) * | 2015-12-28 | 2016-03-30 | 苏州赛腾精密电子股份有限公司 | Air tightness pressure-maintaining test apparatus |
| CN105444968B (en) * | 2015-12-28 | 2019-01-11 | 苏州赛腾精密电子股份有限公司 | A kind of airtight pressure maintaining test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned |