CN203587275U - Pressure indicator - Google Patents
Pressure indicator Download PDFInfo
- Publication number
- CN203587275U CN203587275U CN201320727634.8U CN201320727634U CN203587275U CN 203587275 U CN203587275 U CN 203587275U CN 201320727634 U CN201320727634 U CN 201320727634U CN 203587275 U CN203587275 U CN 203587275U
- Authority
- CN
- China
- Prior art keywords
- elastic pressure
- upper cover
- intermediate member
- indicator
- 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.)
- Expired - Lifetime
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 12
- 210000002381 plasma Anatomy 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 210000003437 trachea Anatomy 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 241001631457 Cannula Species 0.000 abstract 1
- 210000004712 air sac Anatomy 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 239000004945 silicone rubber Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a structure for a pressure indicator. Included are an upper cover, an intermediate member, an elastic pressure sensing diaphragm, a gear indicator rod and a lower cover. A check valve is disposed in the upper cover. The outer wall of the upper cover and the check valve together constitute an upper opening. The upper cover and the intermediate member together form an air channel through the air. The lower port of the intermediate member is bonded to a circumferential flange of the elastic pressure sensing diaphragm. The structure of the elastic pressure sensing diaphragm is designed as a circular sheet having a thickness of 0.1 mm to 2.0mm. The elastic pressure sensing diaphragm is provided on the lower surface thereof with a groove matching a support end of the gear indicator rod. The gear indicator rod includes the support end, a connecting rod, a hole and an indicator end. An annular reinforcing rib and a longitudinal reinforcing rib are disposed on the elastic pressure sensing diaphragm, and are made of rubber, silicone rubber, TPE or other elastomeric polymer material. According to the utility model, the pressure indicator is wide in pressure indicating range, high in accuracy and intuitive, can be used with devices having an air sac or water sac, and is especially suitable for medical devices such as laryngeal masks, trachea cannulas, catheters and the like.
Description
Technical field
The utility model relates to the apparatus of a kind of pressure survey and indication, is mainly used in measurement and the indication of air bag in medicine equipment or water pocket internal pressure, relates in particular to be a kind ofly used for measuring and the pressure indicator of indication laryngeal mask, trachea cannula or catheter.
Background technology
Air bag, water pocket is very general in medical instruments field application, as medicine equipments such as tracheal catheter, laryngeal mask, catheters, play the effect of sealing body cavities and stationary installation, for to apparatus security consideration, detection to air bag, water pocket pressure is very important, needs clinically at any time its pressure to be detected.
Pressure indicator, with its using value clinically, receives the very big concern of medical personnel and medical device industry.Due to usual pressure indicator structure and function simple.Thereby in the last few years, for meeting the requirement of medical level development, the architecture advances of pressure indicator is increased day by day, the structure of relevant pressure indicator is by following patent literature:
1, Chinese utility model patent instructions, the patent No. is January 14 2009 ZL200820074424.2(Granted publication day) a kind of air chamber pressure indicator disclosed, its structure be by transparent, with the hollow cavity of scale mark, the elasticity membrane vesicle of one end sealing other end opening, retaining valve and connector form.The top of hollow cavity is communicated with inflation/suction port by the retaining valve being tightly connected with it, elasticity membrane vesicle is placed in hollow cavity, its openend is sealingly fastened on connector and inner chamber is communicated with atmosphere, and elasticity membrane vesicle inside and outside form respectively membrane vesicle internal pressure district and membrane vesicle external pressure district; Coordinate with hollow cavity scale mark, the extra side of elasticity membrane vesicle that produces deformation displacement with the variation of membrane vesicle inside and outside differential pressure is provided with tested gasbag pressure sea dye.
The advantage of this air chamber pressure indicator utility model: highly sensitive, body is light in a small amount, directly perceived, can directly be configured on the gas passage type equipment with air bag, cost easy to use is low, is particularly useful for laryngeal mask, with trachea cannula and other medicine equipment with air bag of air bag.
2, International Application Serial No. PCT/US2001/012027 2001.4.13, [Chinese invention patent instructions (August 29 2007 Granted publication CN100333808C Granted publication day)] discloses a kind of visual charge pressure indicator and comprised the surgery intubate of this indicator.This invention provides a kind of indicator of the stress level for the fluid in indicated pressure source visually.This indicator includes the visual inflation body of notch part, and this notch part has relative edge's part, and when this inflatable body is during in unaerated state, this relative edge separates by a gap.This inflatable body also comprises the hole that this inflatable body is connected with pressure source, therefore, when this Inflatable body is inflated, the relative motion in a certain direction of relative edge's part, so that minimizing gap size, thereby in indicated pressure source, reached expecting pressure.This indicator is used in particular for indication and in the inflated cuff of endotracheal intubate, has reached predetermined pressure.
The advantage of this invention: a kind of simple, visual indication to the pressure in pressure source is provided.This is in the situation that the pressure gauge of inapplicable costliness or equipment determine in inflatable big envelope, whether excessively inflated condition is particularly useful, and it is both accurate, can simply use and manufacture again.
3, Chinese utility model patent instructions, the patent No. is August 4 2004 ZL03232298.4(Granted publication day) a kind of pressure detecting indicator disclosed, comprise cylinder body, O-ring seal and valve actuator, on cylinder body, cover has the transparent top cover in middle part, in cylinder body, by screw thread, is connected with the valve actuation part with air inlet through hole, on valve actuation part and between top cover, is provided with elastic membrane, elastic membrane is provided with gaseous tension indicator drum, between gaseous tension indicator drum and top cover, is provided with spring.The gentle pressure indicator drum of elastomeric film surface surface is equipped with indicated pressure change pattern or color, and under top cover opaque section, along being provided with index line, air pressure indicator drum surface is provided with scale mark.
The advantage of this utility model: simple in structure, low cost of manufacture, easy to use, the pressure of indicated pressure equipment and pneumatic equipment changes intuitively, is specially adapted to the detection indication of air pressure of automobile tire.
But above-mentioned 3 kinds of pressure indicators exist following common defects: (1) pressure indicating range is little, adaptability is not enough; (2) although simple in structure, precision is not enough, can not meet pressure and accurately measure needs.
Utility model content
It is a kind of simple for structure that the purpose of this utility model is to provide, and indication is accurate, pressure indicator applied widely, thus solved the problem that above-mentioned prior art exists.
For achieving the above object, the technical scheme adopting is the utility model:
A pressure indicator, comprises retaining valve, it is characterized in that: its structure is comprised of upper cover, intermediate member, elastic pressure reaction diaphragm, transmission indicator stem and lower cover member, and the structure of described each parts is as follows respectively:
Described upper cover, its inside is provided with retaining valve, and the common formation of its outer wall and retaining valve is suitable for reading, and its shoulder is provided with a ring annular groove, the opening of the plasmas channel communicating with atmosphere is located in ring annular groove, and the positioning convex of upper cover is connected with the detent of intermediate member;
Described intermediate member, the ring week flange of its lower port and elastic pressure reaction diaphragm is bonding, and the lower surface of elastic pressure reaction diaphragm is provided with the groove coordinating with transmission indicator stem support end;
Described transmission indicator stem, by support end, connecting link and the indication end being connected respectively with bottom with support end top and the hole that is positioned at both sides, indication end form.
Described upper cover, itself and the common composition one of intermediate member connect plasmas channel.
Described elastic pressure reaction diaphragm, its surface be provided with annular, ellipse or other arbitrary shapes ring week reinforcement and by the waling dispersed of mind-set surrounding, the quantity of described waling is 2～16, waling is uniformly distributed with all reinforcement square crossings of ring, the transverse shape of encircling all reinforcements and waling is designed to waveform, or rectangle, or triangle, or other geometric configuration.
Described elastic pressure reaction diaphragm, its planform is designed to thin rounded flakes, or oval thin slice, or other geometric configuration thin slice, and its thickness is 0.1mm～2.0mm.
Described elastic pressure reaction diaphragm, its material is rubber, or silicon rubber, or TPE, or other high resiliency macromolecular material.
Advantage and beneficial effect
Compared with prior art, the utility model, under excellent structure configuration, has following beneficial effect:
1) pressure indicating range is wide, can reach 10cm water column to 100cm water column range.
2) indication precision is high, and resolvability is strong.
3) strong adaptability, can be used for the control survey of air pressure or hydraulic pressure.
Accompanying drawing explanation
Fig. 1 is the structure cut-open view of the utility model pressure indicator;
Fig. 2 is superstructure cut-open view;
Fig. 3 is superstructure vertical view;
Fig. 4 is superstructure upward view;
Fig. 5 is intermediate member structural representation;
Fig. 6 is elastic pressure reaction diaphragm structural representation;
Fig. 7 is elastic pressure reaction diaphragm structure cut-open view.
In Fig. 1: 1 upper cover; 1-1 is suitable for reading; 1-2 retaining valve; 1-3 lower space; 1-4 gap; 1-5 plasmas channel; 1-6 annular groove; 1-7 positioning convex; 2 intermediate members; The bonding gap of 2-1; 2-2 lower port; 3 elastic pressure reaction diaphragms; 3-1 encircles all flanges; 3-2 upper surface; 3-3 lower surface; 3-6 groove; 4 transmission indicator stems; 4-1 support end; 4-2 trace; 4-3 hole; 4-4 indication end; 5 lower covers; 5-1 upper space; 5-2 lower space; 5-3 end opening.
In Fig. 2: 1-1 is suitable for reading; 1-3 lower space; 1-5 plasmas channel.
In Fig. 3: 1-1 is suitable for reading; 1-5 plasmas channel; 1-6 annular groove.
In Fig. 4: 1-5 plasmas channel; 1-7 positioning convex.
In Fig. 5: 2-2 lower port; 2-3 detent; 2-4 air flue; 2-5 plasmas channel.
In Fig. 6: the bonding groove of 3-1; 3-4 encircles all reinforcements; 3-5 waling; 3-6 groove.
In Fig. 7: the bonding groove of 3-1; 3-2 upper surface; 3-4 encircles all reinforcements; 3-6 groove.
Embodiment
In order to make those skilled in the art person understand better technical solutions of the utility model, below in conjunction with drawings and embodiments, the utility model is described in further detail.
Embodiment
A pressure indicator, its structure as shown in Figure 1, is comprised of upper cover 1, intermediate member 2, elastic pressure reaction diaphragm 3, transmission indicator stem 4 and lower cover 5 parts, and the structure of described each parts is as follows respectively:
Described upper cover 1, as Fig. 2, shown in Fig. 3 and Fig. 4, its inside is provided with retaining valve 1-2, the common formation of its outer wall and retaining valve 1-2 1-1 suitable for reading, its shoulder is provided with a ring annular groove 1-6, and the opening of the plasmas channel 1-5 communicating with atmosphere is located in ring annular groove 1-6, and the positioning convex 1-7 of upper cover 1 is connected with the detent 2-3 of intermediate member 2;
Described intermediate member 2, the ring week flange 3-1 of its lower port 2-2 and elastic pressure reaction diaphragm 3 is bonding, and the lower surface 3-3 of elastic pressure reaction diaphragm 3 is provided with the groove 3-6 coordinating with transmission indicator stem 4 support end 4-1, as shown in Figure 1;
Described transmission indicator stem 4, by support end 4-1, connecting link 4-2 and the indication end 4-4 being connected respectively with bottom with support end 4-1 top and the hole 4-3 that is positioned at 4-4 both sides, indication end form, as shown in Figure 1.
Described upper cover 1, itself and the common composition one of intermediate member 2 connect plasmas channel 1-5, as shown in Figure 1.
Described elastic pressure reaction diaphragm 3, as shown in Figure 6 and Figure 7, its surface is provided with annular, the rings week reinforcement 3-4 of oval or other arbitrary shapes and by the waling 3-5 that disperses of mind-set surrounding, the quantity of described waling 3-5 is 2～16, the present embodiment is designed to 4, waling 3-5 is uniformly distributed with all reinforcement 3-4 of ring square crossing, the transverse shape of encircling all reinforcement 3-4 and waling 3-5 is designed to waveform, or rectangle, or triangle, or other geometric configuration, the ring week reinforcement 3-4 of the present embodiment and the transverse shape of waling 3-5 are designed to waveform.
Described elastic pressure reaction diaphragm 3, its planform is designed to thin rounded flakes, or oval thin slice, or other geometric configuration thin slice, its thickness is 0.1mm～2.0mm, and elastic pressure reaction diaphragm 3 planforms of the present embodiment are designed to thin rounded flakes, and its Thickness Design is 0.5mm.
Described elastic pressure reaction diaphragm 3, its material is rubber, or silicon rubber, or TPE, or other high resiliency macromolecular material, the material design of the present embodiment is rubber.
Using method:
The detection air bag of take is example, and in use, end opening 5-3 is connected with tested gas bag sealing by inflating catheter the utility model pressure indicator as shown in Figure 1.Need to use syringe to inflate to 1-1 suitable for reading, gas enters lower space 1-3 as shown in Figure 2 by retaining valve 1-2, then by gap 1-4 as shown in Figure 1, enter the upper space 5-1 of lower cover 5, on the one hand the hole 4-3 of gas by transmission indicator stem 4 bottoms as shown in Figure 1 enters into lower space 5-2, and then be tested airbag aeration by end opening 5-3, the 3-3 of lower surface as shown in Figure 1 of gas push elastic pressure reaction diaphragm 3 moves upward on the other hand, drive transmission indicator stem 4 to move upward simultaneously, and then the variation of the variation indicated pressure by indication end 4-4, by the scale mark outside lower cover, read reading.The upper surface of elastic pressure reaction diaphragm 3 communicates with atmosphere by plasmas channel 1-5, and elastic pressure reaction diaphragm 3 is indicated the difference between tested intracapsular pressure and atmospheric pressure all the time, and the structure of this pressure indicator has guaranteed the accuracy of test.
The above, be only preferred embodiment of the present utility model, not structure of the present utility model done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the technical solution of the utility model.
Claims (5)
1. a pressure indicator, comprise retaining valve, it is characterized in that: its structure is comprised of upper cover (1), intermediate member (2), elastic pressure reaction diaphragm (3), transmission indicator stem (4) and lower cover (5) parts, the structure of described each parts is as follows respectively:
Described upper cover (1), its inside is provided with retaining valve (1-2), its outer wall and retaining valve (1-2) form (1-1) suitable for reading jointly, its shoulder is provided with a ring annular groove (1-6), the opening of the plasmas channel communicating with atmosphere (1-5) is located in ring annular groove (1-6), and the positioning convex (1-7) of upper cover (1) is connected with the detent (2-3) of intermediate member (2);
Described intermediate member (2), its lower port (2-2) is bonding with the ring week flange (3-1) of elastic pressure reaction diaphragm (3), and elastic pressure reaction diaphragm (3) lower surface (3-3) is provided with the groove (3-6) coordinating with transmission indicator stem (4) support end (4-1);
Described transmission indicator stem (4), by support end (4-1), the connecting link (4-2) being connected respectively with bottom with support end (4-1) top and indication end (4-4) and hole (4-3) composition that is positioned at both sides, indication end (4-4).
2. pressure indicator according to claim 1, is characterized in that: described upper cover (1), itself and intermediate member (2) form the plasmas channel (1-5) of a perforation jointly.
3. pressure indicator according to claim 1, it is characterized in that: described elastic pressure reaction diaphragm (3), its surface is provided with annular, oval or other arbitrary shape ring week reinforcement (3-4) and by the waling (3-5) dispersed of mind-set surrounding, the quantity of described waling (3-5) is 2～16, waling (3-5) is uniformly distributed with the square crossing of ring all reinforcements (3-4), the transverse shape of encircling all reinforcements (3-4) and waling (3-5) is designed to waveform, or rectangle, or triangle, or other geometric configuration.
4. pressure indicator according to claim 1, is characterized in that: described elastic pressure reaction diaphragm (3), and its planform is designed to thin rounded flakes, or oval thin slice, or other geometric configuration thin slice, and its thickness is 0.1mm～2.0mm.
5. pressure indicator according to claim 1, is characterized in that: described elastic pressure reaction diaphragm (3), its material is rubber, or silicon rubber, or TPE, or other high resiliency macromolecular material.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727634.8U CN203587275U (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
| JP2015556392A JP6009696B2 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| AU2014350920A AU2014350920B2 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| CA2929161A CA2929161C (en) | 2013-11-14 | 2014-05-15 | Pressure indicator for improving the detection accuracy |
| EP14861214.6A EP3070450B1 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| PCT/CN2014/077546 WO2015070579A1 (en) | 2013-11-14 | 2014-05-15 | Pressure indicator |
| US14/924,692 US10286166B2 (en) | 2013-11-14 | 2015-10-27 | Pressure indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727634.8U CN203587275U (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587275U true CN203587275U (en) | 2014-05-07 |
Family
ID=50585178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727634.8U Expired - Lifetime CN203587275U (en) | 2013-11-14 | 2013-11-14 | Pressure indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070579A1 (en) * | 2013-11-14 | 2015-05-21 | 邹德伟 | Pressure indicator |
| WO2018107567A1 (en) * | 2016-12-14 | 2018-06-21 | 天津美迪斯医疗用品有限公司 | Pressure indicator |
-
2013
- 2013-11-14 CN CN201320727634.8U patent/CN203587275U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070579A1 (en) * | 2013-11-14 | 2015-05-21 | 邹德伟 | Pressure indicator |
| WO2018107567A1 (en) * | 2016-12-14 | 2018-06-21 | 天津美迪斯医疗用品有限公司 | Pressure indicator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103592075A (en) | Pressure indicator | |
| CN201179260Y (en) | Air chamber pressure indicator | |
| EP2968818B1 (en) | Sliding piston pressure indicator | |
| CN105699006B (en) | A kind of dial type minute-pressure pressure indicator | |
| US20140271292A1 (en) | Rotary needle and expanding bellows pressure indicator | |
| CN203587275U (en) | Pressure indicator | |
| US7464601B2 (en) | Disposable manometer for use with patient breathing systems | |
| AU2014350920B2 (en) | Pressure indicator | |
| US20060081059A1 (en) | Inflatable manometers | |
| CN211068561U (en) | Pressure visualization artificial airway intubation tube | |
| CN204890856U (en) | Laryngeal mask that can show gasbag aeration quantity | |
| CN205049289U (en) | A indicating device for measuring and instruct laryngeal mask, trachea cannula | |
| CN205079905U (en) | Dial plate declines and presses pressure indicator | |
| CN221637008U (en) | Percutaneous tracheotomy group sleeve with leakage indication function | |
| CN105181234A (en) | Indication apparatus for measuring and indicating laryngeal mask and trachea cannula | |
| CN205163861U (en) | Device for monitoring pressure | |
| CN219022593U (en) | Pressure indicator | |
| CN111870786B (en) | air bag pressure indicator | |
| CN109621135B (en) | Air bag pressure constant device | |
| CN204730972U (en) | infant pressure gage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN BAIYI INTERNATIONAL TRADE CO., LTD. Free format text: FORMER OWNER: ZOU DEWEI Effective date: 20140606 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300385 XIQING, TIANJIN TO: 300000 BINHAI NEW DISTRICT,TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140606 Address after: 300000, room 88, No. three, 320-2 West Road, Tianjin Port Free Trade Zone, Tianjin Patentee after: Tianjin Yi Yi International Trading Co.,Ltd. Address before: 300385 Tian Cheng Industrial Park, 12 Hongyuan Road, Xiqing Economic Development Zone, Xiqing District, Tianjin, 10A Patentee before: Zou Dewei |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |