CN207622953U - A kind of device for detection of negative pressure - Google Patents
A kind of device for detection of negative pressure Download PDFInfo
- Publication number
- CN207622953U CN207622953U CN201721780788.8U CN201721780788U CN207622953U CN 207622953 U CN207622953 U CN 207622953U CN 201721780788 U CN201721780788 U CN 201721780788U CN 207622953 U CN207622953 U CN 207622953U
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- CN
- China
- Prior art keywords
- tracheae
- air
- baroceptor
- stepper motor
- negative pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of devices for detection of negative pressure, including bottom plate, air-breather and air extractor are provided on bottom plate, air source is installed on air-breather, air source connects air valve switch by tracheae, several solenoid directional control valves are installed on tracheae, vacuum generator and baroceptor, one end of baroceptor connects air-breather by tracheae with vacuum generator, the other end is connected by tracheae with air extractor, air extractor includes straight line module and stepper motor, stepper motor is connect by straight line module with cylinders, cylinder connects baroceptor by tracheae；The utility model utilizes the device of stepper motor and pulling force sensor, long seal wire, conduit are solved during traditional wrap processes, waste to spring wire, and production efficiency of the seal wire around spring is improved, the cost of the wrapping wires such as long seal wire, long duct can be substantially reduced.
Description
Technical field
It is espespecially a kind of to be examined for negative pressure the utility model is related to carry out the technical field of negative pressure leak-checking apparatus to overlength sacculus
The device of survey.
Background technology
The foley's tube of expansion human vas is commonly used in Micro trauma interventional medical device.It is fast with medical device industry
Speed development, common small sacculus cannot meet the needs of all Minimally Invasive Surgeries, on the market various types of long sacculus abnormity
Sacculus is born in succession, but compares pervious short ball capsule, and the quality testing of long foley's tube is just more harsh.
Just need at this time it is a kind of can effectively detect the whether qualified detection device of long foley's tube, wherein a ring is negative
Pressure detection, carries out pumping detection, and measure its leakproofness to the sacculus of inflation, to judge whether the foley's tube is qualified, but city
Many negative pressure test equipments on face are detected to sacculus product in the form of miniature instrument, precision and pumping pressure
Range is all less desirable.The utility model provides a kind of dress for detection of negative pressure according to problem of the existing technology
It sets, using the device of multigroup reversal valve and high-precision baroceptor, solves to long sacculus in traditional detection of negative pressure
Precision problem, effectively judge whether long foley's tube qualified.
Invention content
The technical problems to be solved in the utility model is the shortcomings that overcoming the prior art, and long sacculus can be solved by providing one kind
Precision problem in traditional detection of negative pressure effectively judges the whether qualified negative-pressure detection device of long foley's tube.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：One kind being used for detection of negative pressure
Device, including bottom plate is provided with air-breather and air extractor on bottom plate, air source is equipped on air-breather, air source passes through
Tracheae connects air valve switch, and several solenoid directional control valves, vacuum generator and baroceptor, baroceptor are equipped on tracheae
One end air-breather is connected with vacuum generator by tracheae, the other end is connected by tracheae with air extractor, pumping dress
It sets including straight line module and stepper motor, stepper motor is connect by straight line module with cylinders, and cylinder connects gas by tracheae
Pressure sensor.
As a kind of optimal technical scheme of the utility model, pass through axis connection between straight line module and stepper motor.
As a kind of optimal technical scheme of the utility model, solenoid directional control valve, vacuum generator and baroceptor it
Between be connected with each other by tracheae.
As a kind of optimal technical scheme of the utility model, if being provided with dryed product connector on bottom plate, product connector
One end connects product, and the other end is equipped with tracheae, and connects baroceptor by tracheae.
As a kind of optimal technical scheme of the utility model, the tracheae of product connector one end installation passes through cylinder and stepping
Motor is connected.
The advantageous effect that the utility model is reached is：The utility model utilizes the dress of stepper motor and pulling force sensor
It sets, solves long seal wire, conduit during traditional wrap processes, the waste to spring wire, and seal wire is improved around spring
Production efficiency, the cost of the wrapping wires such as long seal wire, long duct can be substantially reduced.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Figure label in the accompanying drawings：1, bottom plate；101, air-breather；1011, air source；1012, air valve switch；102, it is evacuated
Device；1021, straight line module；1022, stepper motor；1023, cylinder；103, tracheae；104, solenoid directional control valve；105, vacuum is sent out
Raw device；106, baroceptor；107, product connector.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.Attached drawing is used for providing to this reality
It is further understood with novel, and a part for constitution instruction, for explaining this together with the embodiments of the present invention
Utility model does not constitute limitations of the present invention.
In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and behaviour
Make, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment：As shown in Figure 1, a kind of device for detection of negative pressure provided by the utility model, including bottom plate 1, bottom
Plate 1 is fixed component, each component that can be in fixing device；Air-breather 101 and air extractor 102 are provided on bottom plate 1,
Air-breather 101 can ventilate into tracheae 1033, and tracheae 1033 is gas flow channel, and air extractor 102 can pass through gas
Pipe 103 extracts the gas in product；Air source 1011 is installed, air source 1011 provides gas to tracheae 103 on air-breather 101；Gas
Source 1011 connects air valve switch 1012 by tracheae 103, and air valve switch 1012 can control the flowing of gas in air source 1011；Gas
Several solenoid directional control valves 104, vacuum generator 105 and baroceptor 106 are installed, solenoid directional control valve 104 can on pipe 103
Change gas flow, positive pressure air can be become negative pressure by vacuum generator 105, and baroceptor 106 can measure air pressure
Size；One end of baroceptor 106 connects air-breather 101 by tracheae 103 and vacuum generator 105, can measure logical
Air pressure size in device of air 101；The other end is connected by tracheae 103 with air extractor 102, and air extractor can be measured
The size of air pressure in 102；Air extractor 102 includes straight line module 1021, stepper motor 1022 and cylinder 1023, stepper motor
1022 are connected by straight line module 1021 with cylinder 1023, and stepper motor 1022 passes through 1023 energy of straight line module 1021 and cylinder
Enough adjust the size of air pressure；Cylinder 1023 connects baroceptor 106 by tracheae 103 so that baroceptor 106 can be surveyed
The gas drawer pressure size from product is measured, to judge whether product is qualified.
Pass through axis connection between straight line module 1021 and stepper motor 1022.
It is connected with each other by tracheae 103 between solenoid directional control valve 104, vacuum generator 105 and baroceptor 106,
Solenoid directional control valve 104 can change gas flow and flow to vacuum generator 105 by tracheae 103, and vacuum generator 105 can incite somebody to action
Positive pressure air becomes negative pressure, then passes to baroceptor 106 by tracheae 103, and pressure sensor 106 can measure the air pressure
Size.
If being provided with dryed product connector 107 on bottom plate 1, one end of product connector 107 connects product, and the other end is equipped with gas
Pipe 103, and baroceptor 106 is connected by tracheae 103 so that baroceptor 106 can measure product by tracheae 103
The air pressure size of product is connected on connector 107.
The tracheae 103 of 107 one end of product connector installation is connected by cylinder 1023 with stepper motor 1022, stepper motor
1022 provide driver by straight line module 1021 to cylinder 1023 so that cylinder 1023 extracts the gas in product.
Operation principle：The utility model includes following steps：First, the established standards air pressure number on host computer；Its
It is secondary, air valve switch 1012 so that air source 1011 is capable of providing in gas to tracheae 103, and tracheae 103 transports gas to electromagnetic switch
Valve 104 changes gas flow by solenoid directional control valve 104 and flows to vacuum generator 105 by tracheae 103, and vacuum generator 105 will
Positive pressure air becomes negative pressure, then passes to baroceptor 106 by tracheae 103, and pressure sensor 106 measures the numerical value of the air pressure
Size closes air valve switch 1012 when reaching setting numerical value, cuts off the supply of gas in air source 1011；Then, start stepping
Motor 1022 drives straight line module 1021 to operate so that cylinder 1023 can by straight line module 1021 by stepper motor 1022
Extract the gas in 107 connection product of product connector；Finally, air pressure is flowed to by tracheae 103 and solenoid directional control valve 104 to gas
Sensor 106, baroceptor 106 can measure the air pressure size that product is connected on product connector 107 by tracheae 103, when
When the data that pressure sensor 106 measures are consistent with setting data, illustrate product qualification.
Finally it should be noted that：The preferred embodiment that these are only the utility model, is not limited to this practicality
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (5)
1. a kind of device for detection of negative pressure, which is characterized in that including bottom plate（1）, bottom plate（1）On be provided with air-breather
（101）And air extractor（102）, air-breather（101）On air source is installed（1011）, air source（1011）Pass through tracheae（103）
Connect air valve switch（1012）, tracheae（103）On several solenoid directional control valves are installed（104）, vacuum generator（105）And air pressure
Sensor（106）, baroceptor（106）One end pass through tracheae（103）And vacuum generator（105）Connect air-breather
（101）, the other end passes through tracheae（103）With air extractor（102）It is connected, air extractor（102）Including straight line module
（1021）, stepper motor（1022）And cylinder（1023）, stepper motor（1022）Pass through straight line module（1021）With cylinder
（1023）It is connected, cylinder（1023）Pass through tracheae（103）Connect baroceptor（106）.
2. a kind of device for detection of negative pressure according to claim 1, which is characterized in that straight line module（1021）With step
Stepper motor（1022）Between pass through axis connection.
3. a kind of device for detection of negative pressure according to claim 1, which is characterized in that solenoid directional control valve（104）, it is true
Empty generator（105）And baroceptor（106）Between pass through tracheae（103）It is connected with each other.
4. a kind of device for detection of negative pressure according to claim 1, which is characterized in that bottom plate（1）It is provided on if
Dryed product connector（107）, product connector（107）One end connect product, the other end is equipped with tracheae（103）, and pass through tracheae
（103）Connect baroceptor（106）.
5. a kind of device for detection of negative pressure according to claim 1, which is characterized in that product connector（107）One end
The tracheae of installation（103）Pass through cylinder（1023）With stepper motor（1022）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780788.8U CN207622953U (en) | 2017-12-19 | 2017-12-19 | A kind of device for detection of negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780788.8U CN207622953U (en) | 2017-12-19 | 2017-12-19 | A kind of device for detection of negative pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207622953U true CN207622953U (en) | 2018-07-17 |
Family
ID=62821557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721780788.8U Active CN207622953U (en) | 2017-12-19 | 2017-12-19 | A kind of device for detection of negative pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207622953U (en) |
-
2017
- 2017-12-19 CN CN201721780788.8U patent/CN207622953U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230822 Address after: 200120 East side of 3rd floor, Building 9, No. 356 Zhengbo Road, Lingang New Area, China (Shanghai) Free Trade Pilot Zone, Pudong New Area, Shanghai Patentee after: Shanghai Haofeng Medical Technology Co.,Ltd. Address before: West half of the second floor, Building 21, No. 6999 Chuansha Road, Pudong New Area, Shanghai, February 2012 Patentee before: SHANGHAI HAOLI PRECISION MACHINERY CO.,LTD. |
|
| TR01 | Transfer of patent right |