CN203009817U - Automatic control type pressure container safety interlocking device - Google Patents
Automatic control type pressure container safety interlocking device Download PDFInfo
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- CN203009817U CN203009817U CN 201320022094 CN201320022094U CN203009817U CN 203009817 U CN203009817 U CN 203009817U CN 201320022094 CN201320022094 CN 201320022094 CN 201320022094 U CN201320022094 U CN 201320022094U CN 203009817 U CN203009817 U CN 203009817U
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Abstract
The utility model discloses an automatic control type pressure container safety interlocking device. The automatic control type pressure container safety interlocking device comprises a sleeve, wherein one end of the sleeve is hermetically connected with a gas pipe joint communicated with gas in a pressure container, and an interlocking pin is moveably inserted into the other end of the sleeve; a return spring is arranged between the interlocking pin and the sleeve; one end of the return spring is propped against the interlocking pin and the other end of the return spring is propped against the inner wall of the sleeve; a push piece which can stretch out and draw back or move under the action of gas pressure is arranged in the sleeve; and the push piece is positioned between the interlocking pin and the gas pipe joint, and is propped against the interlocking pin. By adoption of the structure, on one hand, a door lock cannot be opened when the pressure of the pressure container is overhigh, accidents are avoided and the human and machine safety is guaranteed; and on the other hand, the door lock can be opened when the pressure of the pressure container is normal. The automatic control type pressure container safety interlocking device is a mechanical pressure type mechanical device, can be controlled according to the gas pressure of the pressure container, does not need a control system, and is simple in structure, low in cost and high in reliability and safety.
Description
Technical field
The utility model relates to the safety interlock in pressure vessel technology field, particularly a kind of pressure steam sterilizer.
Background technique
pressurized container is widely used in chemical industry, weaving, food, the industries such as medicine, as to medical dressing, vessel, the sterilization chamber of the Sterilizers of the sterilization such as beauty needle, the steam medium that its when normal operation need to pass into and keep certain pressure is to the article sterilization that carries out disinfection, in order to prevent that the disinfecting action personnel from opening door closure because operate miss sterilization chamber in the Sterilizers course of normal operation is in and causing security incident in the High Temperature High Pressure situation, stipulate " door of Sterilizers should not opened in running " both at home and abroad in the Sterilizers product standard, and the existing power door operation pressure steam sterilizer in market, although can satisfy this regulation of product standard, but it is realized based on Pressure testing and motor-driven control system, complex structure, cost is high, and the electronic control system fault can occur and make its reliability and safety descend.
The model utility content
In order to overcome the deficiencies in the prior art, the utility model provide a kind of simple in structure, cost is low, reliability and safe automatic control type pressure vessel safety interlock.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of automatic control type pressure vessel safety interlock, comprise sleeve, sleeve one end is sealedly connected with the gas-tpe fitting of connecting with the pressurized container internal gas, the removable interlocking latch that is coated with of the sleeve the other end, be provided with return spring between interlocking latch and sleeve, return spring one end leans on interlocking latch, the return spring the other end leans on sleeve lining, be provided with in sleeve and be subjected to the gas pressure-acting and flexible or mobile driving member, driving member connects between interlocking latch and gas-tpe fitting and with interlocking latch.
As improvement of the technical scheme, described driving member is to be subjected to the gas pressure-acting and flexible elastic bellows, elastic bellows is provided with an opening end and a closed end, and described gas-tpe fitting is provided with vent, and vent is connected with the opening end of elastic bellows.
As further improvement in the technical proposal, described gas-tpe fitting and sleeve are threaded connection, sleeve outer surface is provided with outside thread, gas-tpe fitting is provided with the annulus section that matches with sleeve outer surface, be provided with the internal thread that matches with outside thread on the inwall of annulus section, the bottom end of annulus section is connected with vent.
Further, the opening end of described elastic bellows is provided with the boss for sealing, and boss one end is resisted against the bottom end of annulus section, and the boss the other end is sealed by sleeve extrusion-deformation.
Another kind, described driving member are the piston that moved by the gas pressure-acting, and outer surface of piston matches with sleeve lining.
Further, described gas-tpe fitting and sleeve are threaded connection, and sleeve outer surface is provided with outside thread, and gas-tpe fitting is provided with the annulus section that matches with sleeve outer surface, be provided with the internal thread that matches with outside thread on the inwall of annulus section, the bottom end of annulus section is connected with vent.
Further, described sleeve outer surface is arranged with seal ring, and seal ring is by the top end extrusion-deformation of annulus section and seal.
The beneficial effects of the utility model are: the utility model is when vessel internal pressure power is too high, gas in pressurized container enters by gas-tpe fitting and promotes driving member elongation or mobile in sleeve, moved by driving member promotion interlocking latch and stretch out sleeve, return spring is compacted; When vessel internal pressure power is normal, driving member retraction normal size or mobile resetting, return spring promote the interlocking latch retraction sleeve that resets, and when having guaranteed on the one hand that vessel internal pressure power is too high, door lock can not be opened, prevent the generation of security incident, guaranteed man-machine safety; Guaranteed on the other hand can open door lock when vessel internal pressure power is normal.The utility model is the mechanical pressure type mechanical device, controls according to the pressurized container air pressure inside, need not to arrange control system, and simple in structure, cost is low, reliability and safe.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model embodiment one perspective view;
Fig. 2 is the utility model embodiment one sectional view;
Fig. 3 is the elastic bellows structural representation in the utility model;
Fig. 4 is working state one schematic diagram of the present utility model
Fig. 5 is the A place enlarged view of Fig. 4;
Fig. 6 is working state two schematic diagram of the present utility model;
Fig. 7 is the B place enlarged view of Fig. 6.
Embodiment
Embodiment one: referring to figs. 1 through Fig. 3, a kind of automatic control type pressure vessel safety interlock of the present utility model, comprise sleeve 2, sleeve 2 one ends are sealedly connected with the gas-tpe fitting 1 of connecting with the pressurized container internal gas, preferably, described gas-tpe fitting 1 and sleeve 2 are threaded connection, sleeve 2 outer surfaces are provided with outside thread 21, gas-tpe fitting 1 is provided with the annulus section 12 that matches with sleeve 2 outer surfaces, be provided with the internal thread 121 that matches with outside thread 21 on the inwall of annulus section 12, the bottom end of annulus section 12 is connected with vent 11.Above-mentioned just preferred embodiment certainly, also can adopt welding or direct gluing Placement between gas-tpe fitting 1 and sleeve 2, in contrast to welding or gluing, is threaded and is convenient to dismounting.
The removable interlocking latch 4 that is coated with of described sleeve 2 the other ends is provided with in sleeve 2 and is subjected to the gas pressure-acting and flexible or mobile driving member, and driving member connects between interlocking latch 4 and gas-tpe fitting 1 and with interlocking latch 4.In this specific embodiment; described driving member is to be subjected to the gas pressure-acting and flexible elastic bellows 3; elastic bellows 3 expands when too high in sleeve 2 internal pressures; sleeve 2 internal pressures are normal or shorten when too low, are easy to realize controlling the flexible of interlocking latch 4 according to the pressurized container air pressure inside, preferably; elastic bellows 3 adopts silica gel material; high temperature resistant, nontoxic, be suitable for the Sterilizers of High Temperature High Pressure.Described elastic bellows 3 is provided with an opening end 31 and a closed end 32, and described gas-tpe fitting is provided with vent 11, and vent 11 is connected with the opening end 31 of elastic bellows 3.The opening end 31 of described elastic bellows 3 is provided with the boss 33 for sealing, and boss 33 1 ends are resisted against the bottom end of annulus section 12, and boss 33 the other ends are sealed by sleeve 2 extrusion-deformations.The elasticity that this specific embodiment utilizes elastic bellows 3 itself to have arranges boss 33 on elastic bellows 3, by the sealing of the threaded tightening force extrusion-deformation between gas-tpe fitting 1 and sleeve 2, need not to use in addition Sealing, and is simple in structure, good sealing effect.Be provided with return spring 5 between described interlocking latch 4 and sleeve 2, return spring 5 one ends lean on interlocking latch 4, and return spring 5 the other ends lean on sleeve 2 inwalls, and return spring 5 has prevented that bellows 3 is flexible tired, has improved the reliability of device.Preferably, described return spring 5 is enclosed within on interlocking latch 4, and certainly, return spring 5 can arrange two, and two return springs are arranged symmetrically with respect to interlocking latch 4, are pressed on respectively between interlocking latch 4 and sleeve 2.
with reference to Fig. 4 to Fig. 7, be applied to the working state figure of desk-type small automatic control type Sterilizers for the utility model, the normal operating pressure of this Sterilizers is 1.1Bar or 2.1Bar, shutting door lock when Sterilizers 6 carries out disinfection when sterilization, bolt axle 8 stretches out at this moment, Sterilizers 6 internal pressures are when too high, pressurized gas enter elastic bellows 3 inner chambers by gas-tpe fitting 1, elastic bellows 3 is subjected to the gas pressure-acting and the elongation of expanding, thereby promote interlocking latch 4 and stretch out sleeve 2, and then block the bolt axle 8 that stretches out, if operator's Revolving door lock knob 7 is arranged this moment, can't opening door lock because bolt axle 8 is stuck, guaranteed that Sterilizers 6 can't open door lock during section's overpressure within it, thereby guaranteed man-machine safety, when normal, elastic bellows 3 recovers natures when Sterilizers 6 internal pressures, interlocking latch 4 under the effect of return spring 5 in retraction sleeve 2, at this moment, can Revolving door lock knob 7, retraction bolt axle 8 opening door locks.When too low, elastic bellows 3 is subjected to the gas pressure-acting and shortens and drive in interlocking latch 4 retraction sleeves 2 when Sterilizers 6 internal pressures, and this moment is rotatable door lock knob 7 opening door locks also.In addition, it should be noted that the utility model not only is confined to be applied in Sterilizers, can also be applied in other pressurized container.
The utility model is the mechanical pressure type safety interlock, controls according to the pressurized container air pressure inside, need not to arrange control system, simple in structure, cost is low, and the technical requirements of product standard is satisfied in its Security, can be applicable to the occasion that the pressurized container internal pressure is not more than 3Bar.
Embodiment two: a kind of automatic control type pressure vessel safety interlock, itself and embodiment's one difference be, described driving member is the piston that moved by the gas pressure-acting, and outer surface of piston matches with sleeve 2 inwalls; Described gas-tpe fitting 1 and sleeve 2 are threaded connection, sleeve 2 outer surfaces are provided with outside thread 21, gas-tpe fitting 1 is provided with the annulus section 12 that matches with sleeve 2 outer surfaces, be provided with the internal thread 121 that matches with outside thread 21 on the inwall of annulus section 12, the bottom end of annulus section 12 is connected with vent 11; Described sleeve 2 outer surfaces are arranged with seal ring, and seal ring is by the top end extrusion-deformation of annulus section 12 and seal.The present embodiment is with respect to embodiment one, sealing is completed by the seal ring that exposes on the one hand, sealing effect is poor, on the other hand can't self-return when normal or when too low due to the pressure of piston in gas-tpe fitting 1, piston and interlocking latch 4 only rely on return spring 5 to move, the easy fatigue damage of return spring 5, reliability is lower.
Certainly; the utility model is except above-mentioned mode of execution; other structural distortion can also be arranged; as: adopt the rear gluing Placement that is threaded to replace adopting between gas-tpe fitting 1 and sleeve 2 between gas-tpe fitting 1 and sleeve 2 and be threaded; the structure of boss 33 sealings etc. is set with elastic bellows 3, and these equivalent technical solutions also should be within its protection domain.
Claims (7)
1. automatic control type pressure vessel safety interlock, it is characterized in that: comprise sleeve (2), sleeve (2) one ends are sealedly connected with the gas-tpe fitting (1) of connecting with the pressurized container internal gas, the removable interlocking latch (4) that is coated with of sleeve (2) the other end, be provided with return spring (5) between interlocking latch (4) and sleeve (2), return spring (5) one ends lean on interlocking latch (4), return spring (5) the other end leans on sleeve (2) inwall, be provided with in sleeve (2) and be subjected to the gas pressure-acting and flexible or mobile driving member, driving member is positioned between interlocking latch (4) and gas-tpe fitting (1) and with interlocking latch (4) and connects.
2. a kind of automatic control type pressure vessel safety interlock according to claim 1, it is characterized in that: described driving member is to be subjected to the gas pressure-acting and flexible elastic bellows (3), elastic bellows (3) is provided with an opening end (31) and a closed end (32), described gas-tpe fitting is provided with vent (11), and vent (11) is connected with the opening end (31) of elastic bellows (3).
3. a kind of automatic control type pressure vessel safety interlock according to claim 2, it is characterized in that: described gas-tpe fitting (1) and sleeve (2) are threaded connection, sleeve (2) outer surface is provided with outside thread (21), gas-tpe fitting (1) is provided with the annulus section (12) that matches with sleeve (2) outer surface, be provided with the internal thread (121) that matches with outside thread (21) on the inwall of annulus section (12), the bottom end of annulus section (12) is connected with vent (11).
4. a kind of automatic control type pressure vessel safety interlock according to claim 3, it is characterized in that: the opening end (31) of described elastic bellows (3) is provided with the boss (33) for sealing, boss (33) one ends are resisted against the bottom end of annulus section (12), and boss (33) the other end is sealed by sleeve (2) extrusion-deformation.
5. a kind of automatic control type pressure vessel safety interlock according to claim 1, it is characterized in that: described driving member is the piston that moved by the gas pressure-acting, outer surface of piston matches with sleeve (2) inwall.
6. a kind of automatic control type pressure vessel safety interlock according to claim 5, it is characterized in that: described gas-tpe fitting (1) and sleeve (2) are threaded connection, sleeve (2) outer surface is provided with outside thread (21), gas-tpe fitting (1) is provided with the annulus section (12) that matches with sleeve (2) outer surface, be provided with the internal thread (121) that matches with outside thread (21) on the inwall of annulus section (12), the bottom end of annulus section (12) is connected with vent (11).
7. a kind of automatic control type pressure vessel safety interlock according to claim 6, it is characterized in that: described sleeve (2) outer surface is arranged with seal ring, and seal ring is sealed by the top end extrusion-deformation of annulus section (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022094 CN203009817U (en) | 2013-01-15 | 2013-01-15 | Automatic control type pressure container safety interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022094 CN203009817U (en) | 2013-01-15 | 2013-01-15 | Automatic control type pressure container safety interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009817U true CN203009817U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320022094 Expired - Fee Related CN203009817U (en) | 2013-01-15 | 2013-01-15 | Automatic control type pressure container safety interlocking device |
Country Status (1)
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| CN (1) | CN203009817U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836188A (en) * | 2014-02-27 | 2014-06-04 | 沈阳鑫联石化设备有限公司 | Solar safety interlock device |
| CN104082824A (en) * | 2014-06-30 | 2014-10-08 | 广西健美乐食品有限公司 | Sterilization pot for producing beverage |
| CN106237361A (en) * | 2016-08-31 | 2016-12-21 | 宁波明太医疗器械有限公司 | A kind of structure improved steriliser locking device for door-lock |
| CN111844860A (en) * | 2020-07-24 | 2020-10-30 | 湖南伍子醉食品有限公司 | Semi-automatic bolt pin pulling equipment for betel nut seed pressing barrel |
| CN114056790A (en) * | 2021-11-18 | 2022-02-18 | 湖南有色冶金劳动保护研究院有限责任公司 | Interlocking device for chemical tank |
-
2013
- 2013-01-15 CN CN 201320022094 patent/CN203009817U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836188A (en) * | 2014-02-27 | 2014-06-04 | 沈阳鑫联石化设备有限公司 | Solar safety interlock device |
| CN103836188B (en) * | 2014-02-27 | 2016-08-24 | 沈阳鑫联石化设备有限公司 | Solar energy safety interlock |
| CN104082824A (en) * | 2014-06-30 | 2014-10-08 | 广西健美乐食品有限公司 | Sterilization pot for producing beverage |
| CN104082824B (en) * | 2014-06-30 | 2016-09-07 | 广西健美乐食品有限公司 | Produce beverage retorts |
| CN106237361A (en) * | 2016-08-31 | 2016-12-21 | 宁波明太医疗器械有限公司 | A kind of structure improved steriliser locking device for door-lock |
| CN111844860A (en) * | 2020-07-24 | 2020-10-30 | 湖南伍子醉食品有限公司 | Semi-automatic bolt pin pulling equipment for betel nut seed pressing barrel |
| CN114056790A (en) * | 2021-11-18 | 2022-02-18 | 湖南有色冶金劳动保护研究院有限责任公司 | Interlocking device for chemical tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529000 Guangdong Province, Jiangmen city Pengjiang District Road on the west side of the River Joint Industrial Zone No. two or three building Patentee after: Guangdong srfox medical Polytron Technologies Inc Address before: 529000 Guangdong Province, Jiangmen city Pengjiang District Road on the west side of the River Joint Industrial Zone No. two or three building Patentee before: SILVER FOX BEAUTY INSTRUMENT (JIANGMEN) CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20210115 |