CN104062077A - Connector for detecting sealing performance of medical rubber gloves - Google Patents
Connector for detecting sealing performance of medical rubber gloves Download PDFInfo
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- CN104062077A CN104062077A CN201410302266.1A CN201410302266A CN104062077A CN 104062077 A CN104062077 A CN 104062077A CN 201410302266 A CN201410302266 A CN 201410302266A CN 104062077 A CN104062077 A CN 104062077A
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- chuck
- follower
- connector
- cylinder body
- cushion rubber
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- Orthopedics, Nursing, And Contraception (AREA)
- Gloves (AREA)
Abstract
The invention provides a connector for detecting the sealing performance of medical rubber gloves, comprising a cylinder body, a telescopic unit and a follower. The follower includes a chuck and a follower lever. The free end of the follower lever passes through a gap wall in parallel with the chuck in the cylinder inward and is connected with the telescopic unit. The follower synchronously stretches out and draws back with the telescopic unit in the horizontal direction. A through air hole is arranged at the center shaft of the follower. The connector further comprises an expansion rubber ring and a pressure ring which sleeve the outer circumferential surface of the chuck side by side. The pressure ring is disposed on the inner side and can slide relative to the chuck, and the inner side of the pressure ring protrudes from the disk surface of the chuck. The outer circumferential surface of the chuck is provided with a limiting table disposed on the outer side of the expansion rubber ring. A gap used for clamping a to-be-detected glove is arranged between the inner circumferential surface of the cylinder opening of the cylinder body and the outer ring surface of the expansion rubber ring. Internal expansion type sealing of medical gloves is realized through matching between the pressure ring and the expansion rubber ring.
Description
Technical field
The invention belongs to sealing propertytest utility appliance field, especially relates to a kind of connector of the sealing propertytest for flexible rubber class article.
Background technology
Medical gloves is made up of Heveatex mostly, wears medical gloves and can reduce the danger of cross-infection between patient and medical personnel in surgical procedure, and the sealing property of gloves self is to ensure that it plays the prerequisite of good isolated effect in surgical procedure.Medical gloves sealing property is bad, will cause human body to be exposed to infected material, slightly can make wound only occur local symptom red, swollen, hot, pain, infect more severe case except obvious local symptom appears in wound, also there will be the systemic toxicity symptoms such as high heat, stupor, more seriously even can cause the disease such as lockjaw, septicemia, cause human body death.
The existing detection method for medical rubber glove is watertight test and visual examination.Watertight test is divided into two kinds, and category-A is observation: to water filling in gloves, check outside ne-leakage; Category-B is bubble method: gloves need be inflated, be immersed in the water, observe and have or not bubble.Visual examination adopts observation equally, gloves need be inflated, and expands and is twice rear inspection, and glove surface does not have macroscopic small eyelet or broken hole.No matter watertight test or visual examination, all needs visual inspection, for limited detection time, only may check out enough large leakage.Surgical glove profile is irregular, and leak detection process must be careful, comprehensive, more requires operator will have good phychology, must, by observing with patience, repeat leakage detection, just can find the accurate location of drain-source.
Along with scientific and technological development, advancing by leaps and bounds of international automatization level, domestic automatization level is also improving constantly, so realize detecting with robotization and will replace traditional manual detection mode, and due to quality of rubber materials and the complex appearance of medical gloves, all plugging structures for rigidity endoporus in the past cannot be realized shutoff to rubber gloves, and sealed clamping how to realize medical gloves is connected to become a problem of needing solution badly.
Summary of the invention
The problem that the invention will solve is to provide a kind of connector detecting for medical rubber glove sealing property, solves the sealed clamping problem of flexible medical gloves, and the sealing means by internal-expansion type is by the running-on place sealed clamping of gloves.
For solving the problems of the technologies described above, the technical scheme that the invention adopts is: a kind of connector detecting for medical rubber glove sealing property, comprises cylinder body, telescopic unit and follower:
Described follower comprises circular chuck and is positioned at chuck circle centre position and the tappet vertical with its card, the free end of described tappet inwardly passes spaced walls parallel with described chuck in cylinder body and is connected in described telescopic unit, described follower is with described telescopic unit synchronization telescope in the horizontal direction, and the central axis of described follower is provided with the air hole of perforation;
Also comprise expansion cushion rubber and pressure ring, the two is sheathed on the outer circumference surface of described chuck side by side, described pressure ring is positioned at the inner side of expansion cushion rubber and with respect to chuck slidably, its medial surface protrudes from the card of described chuck, is provided with the limiting stand that is positioned at described expansion cushion rubber outside on the outer circumference surface of described chuck;
Between the inner peripheral surface of the cylinder mouth of described cylinder body and the outer ring surface of described expansion cushion rubber, be provided with the gap for clamping gloves to be measured.
By pressure ring extrusion expansion cushion rubber, realize internal-expansion type sealing, be clamped in by the running-on of gloves in the gap between the cylinder mouth of expansion cushion rubber and cylinder body.
Wherein, in order to realize the motion of follower and upper each parts thereof, the structure of described telescopic unit is: comprise spring base, spring, piston and air flue: described spring is connected between described piston and spring base, described piston is fixedly connected with described tappet, described piston and described spring base and described cylinder body seal join, and described spring base is fixedly connected with described cylinder body, on described piston and described spring base, be respectively arranged with described follower on air hole connect add pore; On described cylinder body, be provided with the air flue of inflating in the chamber between piston and spaced walls.
The motion that telescopic unit is follower provides power, can promote piston movement by air flue to inflation in described chamber, and piston driving follower and its synchronization telescope, follower drives pressure ring and expansion cushion rubber to move to the inside, and there is extruding relatively in the two position-limiting action due to spaced walls, thereby realize the dilatational strain of expansion cushion rubber, reduce the gap between itself and cylinder body cylinder mouth, to clamp the running-on of gloves.
Further, in order to ensure the sealing of the chamber that described piston and described spaced walls be divided into, on the surface of contact of described spaced walls and described tappet, be provided with packing washer, when packing washer plays sealing function, can not hinder the motion of tappet with respect to spaced walls.
Further, for the edge that prevents from contacting with gloves causes scratch to damage to gloves, the edge of the cylinder mouth of described cylinder body is set to fillet; Described spacing edge of table is set to fillet.
Further, in order to control better the expanding position of expansion cushion rubber, reach its maximum deformation quantity, on the inner ring surface of described expansion cushion rubber, be provided with annular auxiliary tank, auxiliary tank can ensure to expand the raised position of cushion rubber on a loop wire, reaches the pretightning force that tested gloves clamp.
Wherein, in order to prevent in pressure ring and expansion cushion rubber reseting procedure, the reacting force of expansion cushion rubber flicks pressure ring to the outer circumference surface that departs from chuck, the annular snap platform that the arranged outside directed loop cardiac prominence of described pressure ring goes out, the inner side of described Ka Tai is provided with the sheathed threaded collar being fixed on described chuck excircle, and described Ka Tai is sandwiched between described expansion cushion rubber and described threaded collar.
Further, the inner side of described chuck is provided with the step for sheathed described threaded collar.
Advantage and good effect that the invention has are: realize the internal-expansion type sealing to medical gloves by the mating reaction of pressure ring and expansion cushion rubber.Telescopic unit can drive follower flexible effectively, thereby drive the motion of pressure ring and expansion cushion rubber, spaced walls in cylinder body limits the displacement of pressure ring and follower, the first contact interval wall of pressure ring and pressure ring can slide with respect to follower, thereby pressure ring can produce extruding force to the expansion cushion rubber being set on follower in its outside, the cushion rubber that makes to expand distortion evagination, gloves are sandwiched between the cylinder mouth of expansion glue circle and cylinder body, air hole on follower can be filled with test source of the gas in the gloves of sealing, thereby can coordinate with detecting instrument the sealing propertytest of medical gloves.
Brief description of the drawings
Fig. 1 is the structural representation of the invention
Fig. 2 is the structural representation of cushion rubber of expanding in the invention
In figure: 1-cylinder body, 11-spaced walls, 12-chamber, 13-packing washer, 2-telescopic unit, 21-spring base, 22-spring, 23-piston, 24-air flue, 25-adds pore, 3-follower, 31-chuck, 311-limiting stand, 312-step, 32-tappet, 33-air hole, 4-expansion cushion rubber, 41-auxiliary tank, 5-pressure ring, 51-Ka Tai, 6-gap, 7-threaded collar
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is elaborated.
As shown in Figure 1, the connector detecting for medical rubber glove sealing property, comprises cylinder body 1, telescopic unit 2 and follower 3:
Described follower 3 comprises circular chuck 31 and is positioned at chuck 31 circle centre positions and the tappet 32 vertical with its card, the free end of described tappet 32 inwardly passes spaced walls 11 parallel with described chuck 31 in cylinder body 1 and is connected in described telescopic unit 2, described follower 3 is with described telescopic unit 2 synchronization telescope in the horizontal direction, and the central axis of described follower 3 is provided with the air hole 33 of perforation;
Also comprise expansion cushion rubber 4 and pressure ring 5, the two is sheathed on the outer circumference surface of described chuck 31 side by side, described pressure ring 5 is positioned at the inner side of expansion cushion rubber 4 and with respect to chuck 31 slidably, its medial surface protrudes from the card of described chuck 31, is provided with the limiting stand 311 that is positioned at described expansion cushion rubber 4 outsides on the outer circumference surface of described chuck 31;
Between the inner peripheral surface of the cylinder mouth of described cylinder body 1 and the outer ring surface of described expansion cushion rubber 4, be provided with the gap 6 for clamping gloves to be measured.
When initial position, the cylinder mouth outside of expansion cushion rubber 4 in cylinder body 1, the running-on of medical rubber glove is set on the outer ring surface of expansion cushion rubber 4, telescopic unit 2 drives the inside indentation cylinder mouth of follower 3, in the time that the medial surface of pressure ring 5 contacts with spaced walls 11, having limited the continuation of pressure ring 5 moves, and the chuck 31 of follower 3 and be enclosed within expansion cushion rubber 4 on chuck 31 outer circumference surfaces and continue inwardly to move to the cylinder mouth inner side that enters cylinder body 1, in this process, pressure ring 5 will certainly produce extruding force to expansion cushion rubber 4, cushion rubber 4 dilatational straiies make to expand, gap 6 between expansion cushion rubber 4 and cylinder mouth narrows until the running-on of handle sleeve is clamped between expansion cushion rubber 4 and cylinder mouth inner peripheral surface, so far completed being tightly connected of rubber gloves, now can in gloves, inflate by air hole 33, and then carry out sealing propertytest.
Telescopic unit 2 provides power for the motion of follower 3, its structure has numerous embodiments, as long as can drive follower 3 flexible in the horizontal direction, the invention provides the structure of telescopic unit 2 as shown in Figure 1: comprise spring base 21, spring 22, piston 23 and air flue 24: described spring 22 is connected between described piston 23 and spring base 21, described piston 23 is fixedly connected with described tappet 3, described piston 23 and described spring base 21 join with described cylinder body 1 sealing, can on the surface of contact of itself and cylinder body, increase O-ring seal, and described spring base 21 is fixedly connected with described cylinder body 1, on described piston 23 and described spring base 21, be respectively arranged with described follower 3 on air hole 33 connect add pore 25, on described cylinder body 1, be provided with the air flue 24 for the chamber 12 interior inflations between piston 23 and spaced walls 11.
, reached and can promote piston 23 after certain air pressure and move in chamber 12 to the interior inflation of chamber 12 between piston 23 and spaced walls 11 by air flue 24, the motion of piston 23 drives follower 3 inwardly to move, thereby can realize being tightly connected of gloves running-on.
In order to ensure the sealing of chamber 12, the surface of contact that tappet 32 and spaced walls 11 are slided mutually must seal, and as shown in Figure 1, on the surface of contact of described spaced walls 11 and described tappet 32, is provided with packing washer 13.
Because rubber gloves is easily damaged, be therefore all set to fillet at the edge of all contact gloves, with anti-scratch gloves, particularly, the edge of the cylinder mouth of described cylinder body 1 is set to fillet, and the edge of described limiting stand 311 is set to fillet.
Gap 6 between expansion cushion rubber 4 and cylinder body 1 cylinder mouth is too large, sealing effectiveness is bad, gap 6 is too little, gloves running-on may be forced to come off in the time moving in cylinder mouth, in order to ensure that gloves running-on can enter cylinder mouth smoothly, gap 6 need be greater than the thickness of gloves, and in order to improve the clamping force between expansion cushion rubber 4 and cylinder mouth, on the inner ring surface of described expansion cushion rubber 4, be provided with annular auxiliary tank 41, in the time being subject to force compresses, expansion cushion rubber 4 can be protruding to the periphery along auxiliary tank 41 positions, its distortion is concentrated on a loop wire, the raised position of expansion cushion rubber 4 is fixed on auxiliary tank 41 places, make compression be unlikely to too to disperse, can reach required clamping force.
After sealing propertytest finishes, need each parts that reset, to unload tested gloves, telescopic unit 2 is controlled follower 3 and is outwards exited, pressure ring 5 reduces the extruding force of expansion cushion rubber 4 gradually until disappear, in order to prevent from expanding, cushion rubber 4 flicks pressure ring 5 to deviating from from chuck 31 to the reacting force of pressure ring 5, inner side at pressure ring 5 is provided with position limiting structure, and because the medial surface of pressure ring 5 need contact to realize with spaced walls 11 its inside offset qualification, therefore can only position limiting structure be set at the middle part of pressure ring 5, the invention provides a kind of position limiting structure as shown in Figure 1: the annular snap platform 51 that the arranged outside directed loop cardiac prominence of described pressure ring 5 goes out, the inner side of described card platform 51 is provided with the sheathed threaded collar 7 being fixed on described chuck 31 excircles, and described card platform 51 is sandwiched between described expansion cushion rubber 4 and described threaded collar 7.
In order further to avoid due to the too much outer ring surface higher than expansion cushion rubber 4 of outer ring surface of setting up threaded collar 7 and cause pressure ring 5, be provided for the step 312 of sheathed described threaded collar 7 in the inner side of described chuck 31, be enclosed within threaded collar 7 on step 312 and also will block platform 51 and keep off in its outside, prevent that card platform 51 from crossing threaded collar 7.
The guarantee of the cooperation of card platform 51 and threaded collar 7 in the process that resets of pressure ring 5, can not be inflated cushion rubber 4 reacting force flick, prevent that it from deviating from from chuck 31, and it can not affect the slip of pressure ring 5 with respect to chuck 31 at the outside extrusion expansion cushion rubber 4 of pressure ring 5 in clamping the process of gloves to be measured yet.
Spaced walls 11 in pressure ring 5 medial surfaces and cylinder body 1 often bumps, pushes, and cylinder body 1 complicated structure, dimensional accuracy is higher, if due to rapid wear, needs frequent replacing can greatly increase maintenance cost.Therefore, hard anodize has been carried out on the spaced walls surface in cylinder body 1, has greatly strengthened its skin hardness, has reduced follow-up maintenance spending.
The course of work of the invention is: first the running-on of tested medical gloves is enclosed within on the outer ring surface of expansion cushion rubber 4, then start clamping switch, in the chamber 12 being divided into piston 23 and spaced walls 11 by air flue 24, be filled with control source of the gas, air pressure promotes piston 23 and moves, follower 3 is with synchronously indentation to the inside of piston 23, in the time being set in the medial surface of the pressure ring 5 on chuck 31 outer circumference surfaces and contacting with spaced walls 11, pressure ring 5 stops mobile, and chuck 31 and on expansion cushion rubber 4 continue inside indentation, pressure ring 5 applies extruding force to expansion cushion rubber 4, cushion rubber 4 dilatational straiies cause expanding, gap 6 between expansion cushion rubber 4 and cylinder body 1 cylinder mouth reduces gradually, in the time that the inner side of chuck 31 card also will contact with spaced walls 11, follower 3 stop motions, realize and clamping, then start Test Switchboard, in air hole 33, be filled with test source of the gas from adding pore 25, until gloves are by the formulation size of gas swell, then the gloves of inflation are put into detecting instrument and carry out sealing propertytest, after having detected, first disconnect test source of the gas, then disconnect and control source of the gas, follower 3 sets back under the effect of spring 22, unloads tested gloves, completes test.
Above the invention embodiment is had been described in detail, but described content is only for the preferred embodiment of the invention, can not be considered to the practical range for limiting the invention.All equalization variation and improvement etc. of doing according to the invention application range, within all should still belonging to the patent covering scope of the invention.
Claims (9)
1. the connector detecting for medical rubber glove sealing property, is characterized in that: comprise cylinder body (1), telescopic unit (2) and follower (3):
Described follower (3) comprises circular chuck (31) and is positioned at chuck (31) circle centre position and the tappet (32) vertical with its card, the free end of described tappet (32) inwardly passes spaced walls (11) parallel with described chuck (31) in cylinder body (1) and is connected in described telescopic unit (2), described follower (3) is with described telescopic unit (2) synchronization telescope in the horizontal direction, and the central axis of described follower (3) is provided with the air hole (33) of perforation;
Also comprise expansion cushion rubber (4) and pressure ring (5), the two is sheathed on the outer circumference surface of described chuck (31) side by side, described pressure ring (5) is positioned at the inner side of expansion cushion rubber (4) and with respect to chuck (31) slidably, its medial surface protrudes from the card of described chuck (31), is provided with the limiting stand (311) that is positioned at described expansion cushion rubber (4) outside on the outer circumference surface of described chuck (31);
Between the outer ring surface of the inner peripheral surface of the cylinder mouth of described cylinder body (1) and described expansion cushion rubber (4), be provided with the gap (6) for clamping gloves to be measured.
2. the connector that sealing property according to claim 1 detects, is characterized in that: described telescopic unit (2) comprises spring base (21), spring (22), piston (23) and air flue (24):
Described spring (22) is connected between described piston (23) and spring base (21), described piston (23) is fixedly connected with described tappet (32), described piston (23) and described spring base (21) join with described cylinder body (1) sealing, and described spring base (21) is fixedly connected with described cylinder body (1), on described piston (23) and described spring base (21), be respectively arranged with described follower (3) on air hole (33) connect add pore (25);
On described cylinder body (1), be provided with the air flue (24) for inflation in the chamber (12) between piston (23) and spaced walls (11).
3. the connector that sealing property according to claim 1 detects, is characterized in that: on the surface of contact of described spaced walls (11) and described tappet (32), be provided with packing washer (13).
4. the connector that sealing property according to claim 1 detects, is characterized in that: the edge of the cylinder mouth of described cylinder body (1) is set to fillet.
5. the connector that sealing property according to claim 1 detects, is characterized in that: the edge of described limiting stand (311) is set to fillet.
6. the connector that sealing property according to claim 1 detects, is characterized in that: on the inner ring surface of described expansion cushion rubber (4), be provided with annular auxiliary tank (41).
7. the connector that sealing property according to claim 1 detects, it is characterized in that: the annular snap platform (51) that the arranged outside directed loop cardiac prominence of described pressure ring (5) goes out, the inner side of described Ka Tai (51) is provided with the sheathed threaded collar (7) being fixed on described chuck (31) excircle, and described Ka Tai (51) is sandwiched between described expansion cushion rubber (4) and described threaded collar (7).
8. the connector that sealing property according to claim 7 detects, is characterized in that: the inner side of described chuck (31) is provided with the step (312) for sheathed described threaded collar (7).
9. the connector that sealing property according to claim 1 detects, is characterized in that: the surface of described spaced walls (11) adopts hard anodize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302266.1A CN104062077B (en) | 2014-06-27 | 2014-06-27 | A kind of connector detecting for medical rubber glove sealing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302266.1A CN104062077B (en) | 2014-06-27 | 2014-06-27 | A kind of connector detecting for medical rubber glove sealing property |
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| Publication Number | Publication Date |
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| CN104062077A true CN104062077A (en) | 2014-09-24 |
| CN104062077B CN104062077B (en) | 2016-05-18 |
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| CN201410302266.1A Active CN104062077B (en) | 2014-06-27 | 2014-06-27 | A kind of connector detecting for medical rubber glove sealing property |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316271A (en) * | 2014-11-04 | 2015-01-28 | 天津博益气动股份有限公司 | Air tightness testing tool for valve bodies of unthreaded hole connector types |
| CN105135146A (en) * | 2015-10-13 | 2015-12-09 | 天津博益气动股份有限公司 | Pipe opening plugging device |
| CN105334003A (en) * | 2015-12-09 | 2016-02-17 | 天津市捷威动力工业有限公司 | Power battery package sealing detection device |
| CN106124141A (en) * | 2016-08-19 | 2016-11-16 | 北京泽宇星工贸有限公司 | A kind of glove air-leakage test and palming equipment |
| CN106353038A (en) * | 2016-08-19 | 2017-01-25 | 湖北雷迪特冷却系统股份有限公司 | External-lock inflatable-type sealing plug |
| CN109632216A (en) * | 2019-01-02 | 2019-04-16 | 岳伟 | A kind of Dispoable medical rubber gloves after-treatment device |
| CN112213055A (en) * | 2020-11-03 | 2021-01-12 | 青岛慧智兰智能科技有限公司 | Glove air tightness detection device and detection method |
| CN117387876A (en) * | 2023-10-26 | 2024-01-12 | 张家港大裕橡胶制品有限公司 | Rubber glove air tightness detection device and detection method thereof |
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| CN203908736U (en) * | 2014-06-27 | 2014-10-29 | 博益(天津)气动技术研究所有限公司 | Connector used for detecting sealing performance of medical rubber glove |
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| US2370945A (en) * | 1944-08-10 | 1945-03-06 | James J Fields | Device for testing rubber gloves |
| DE202004001643U1 (en) * | 2004-02-03 | 2004-04-08 | Hartmann, Manfred | Endoscope pressure test hose coupling for use in sterilization pressure test procedures has grip grooves on body |
| KR20070062330A (en) * | 2005-12-12 | 2007-06-15 | 기아자동차주식회사 | A perforation inspection system of oil hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316271A (en) * | 2014-11-04 | 2015-01-28 | 天津博益气动股份有限公司 | Air tightness testing tool for valve bodies of unthreaded hole connector types |
| CN105135146A (en) * | 2015-10-13 | 2015-12-09 | 天津博益气动股份有限公司 | Pipe opening plugging device |
| CN105135146B (en) * | 2015-10-13 | 2017-03-01 | 天津博益气动股份有限公司 | Mouth plugging apparatus |
| CN105334003A (en) * | 2015-12-09 | 2016-02-17 | 天津市捷威动力工业有限公司 | Power battery package sealing detection device |
| CN106124141A (en) * | 2016-08-19 | 2016-11-16 | 北京泽宇星工贸有限公司 | A kind of glove air-leakage test and palming equipment |
| CN106353038A (en) * | 2016-08-19 | 2017-01-25 | 湖北雷迪特冷却系统股份有限公司 | External-lock inflatable-type sealing plug |
| CN106124141B (en) * | 2016-08-19 | 2018-05-18 | 北京泽宇星科技有限公司 | A kind of gloves air-leakage test and palming equipment |
| CN109632216A (en) * | 2019-01-02 | 2019-04-16 | 岳伟 | A kind of Dispoable medical rubber gloves after-treatment device |
| CN112213055A (en) * | 2020-11-03 | 2021-01-12 | 青岛慧智兰智能科技有限公司 | Glove air tightness detection device and detection method |
| CN112213055B (en) * | 2020-11-03 | 2021-08-24 | 青岛慧智兰智能科技有限公司 | Glove air tightness detection device and detection method |
| CN117387876A (en) * | 2023-10-26 | 2024-01-12 | 张家港大裕橡胶制品有限公司 | Rubber glove air tightness detection device and detection method thereof |
| CN117387876B (en) * | 2023-10-26 | 2024-03-29 | 张家港大裕橡胶制品有限公司 | Rubber glove air tightness detection device and detection method thereof |
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| CN104062077B (en) | 2016-05-18 |
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