CN201835635U - Door lock of pressure steam sterilizer - Google Patents
Door lock of pressure steam sterilizer Download PDFInfo
- Publication number
- CN201835635U CN201835635U CN201020553741XU CN201020553741U CN201835635U CN 201835635 U CN201835635 U CN 201835635U CN 201020553741X U CN201020553741X U CN 201020553741XU CN 201020553741 U CN201020553741 U CN 201020553741U CN 201835635 U CN201835635 U CN 201835635U
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- China
- Prior art keywords
- lock
- pressure steam
- steam sterilizer
- travel switch
- lock pin
- 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 - Fee Related
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model discloses a door lock of a pressure steam sterilizer, which comprises a rotation axis (2) which is matched in a rotation mode and axially limited on a sterilizing tube cover (1), a handle (3) fixedly connected with an outer end of the rotation axis (2), a lock pin (4) perpendicular to and fixedly connected with the inner end of the rotation axis (2), and a lock seat (7) arranged on a machine body (6) close to a sterilizing tube (5), wherein the lock seat (7) is provided with a groove (7.1) for inserting the lock pin (4), a detecting device for detecting whether the lock pin (4) is inserted in place is arranged in the machine body (6), the lock seat (7) also comprises a locking device for locking the lock pin (4), and the locking device is positioned in the machine body (6). The door lock of the pressure steam sterilizer has high security and is not easy to open.
Description
Technical field:
The utility model relates to a kind of sterilization device, specifically is a kind of door lock of pressure steam sterilizer.
Background technology:
When the working pressure steam sterilizer carries out disinfection sterilization, need the article of sterilization to be placed in the sterilization cylinder.For avoiding outside air to enter in the sterilization cylinder, the sterilization cover needs to pin always when sterilization, can not be opened, and behind the sterilization, taking out article then needs the sterilization cover is opened, and this just relates to the door lock of pressure steam sterilizer.
The door lock of the pressure steam sterilizer of prior art passes through rotary handle, make and fixedly connected with handle and be installed in the axis of rotation rotation that sterilization cylinder covers, the lock pin that the drive of taking advantage of a situation is fixed on axis of rotation the inner is inserted in the groove that is located at the lock near the body of sterilization cylinder, thereby the sterilization cover is lockable.And the body that is positioned at the lock place also is provided with and detects lock pin and whether insert the checkout gear that puts in place, and this checkout gear comprises a probe and an one stroke switch, and the trip switch is electrically connected with the controller of pressure steam sterilizer.When the lock pin locking puts in place, just can touch probe and extruding probe, the end of probe is contacted with the spring leaf of travel switch.This moment is because travel switch is electrically connected with the controller of pressure steam sterilizer, and end to be popped one's head in is with after the spring leaf of travel switch contacts, and the controller of pressure steam sterilizer just detects lock pin automatically and inserted and put in place.
When the sterilization cylinder internal pressure is big, the door lock of this pressure steam sterilizer is because the effect of sterilization cylinder internal pressure, built certain effect to pinning sterilization cylinder, but when the sterilization cylinder internal pressure reduces or negative pressure occurs, as colliding handle because of carelessness, along with handle is subjected to the rotation of external force, lock pin just can break away from from the groove of lock, and the sterilization cover is opened.In sum, when the sterilization cylinder internal pressure reduced or negative pressure occurs, the door lock of the pressure steam sterilizer of prior art just can be opened, and security performance is not fine.
The utility model content:
The technical problems to be solved in the utility model is: provide a kind of security performance height, the door lock of the pressure steam sterilizer that is difficult for being opened.
For solving the problems of the technologies described above, the utility model adopts a kind of like this door lock of pressure steam sterilizer: it comprise be rotatably assorted and axial limiting at the axis of rotation that sterilization cylinder covers, the handle of fixedlying connected, and the lock pin of fixedlying connected vertical with axis of rotation the inner with the axis of rotation outer end, be installed in the lock near the body the sterilization cylinder, described lock is provided with the groove that injects for lock pin, also be provided with the detection lock pin in the described body and whether insert the checkout gear that puts in place, it also comprises the locking device that locks lock pin, and described locking device is positioned at body.
Described locking device comprises an electromagnet and first travel switch, the described electromagnet and first travel switch all are electrically connected with the controller of pressure steam sterilizer, the described electromagnet and first travel switch all are installed in the body through first junction plate, described electromagnet comprises an armature, described lock is provided with the patchhole that communicates with groove on the lock, described armature can stretch in the groove through patchhole and also can be inserted in the lock hole that is located at the lock pin front end, and the end of described armature is connected with the contact lever that can offset with first spring leaf of first travel switch.
Described checkout gear comprises a probe assembly and second travel switch, described probe assembly comprises a holder and a probe, described holder is installed on the body through second junction plate, described probe slip cap is combined in the holder, be arranged with back-moving spring on the described probe, the front end of described probe can extend in the groove of lock, the postmedian of described probe is provided with the stroke limit ring, the rear end of described probe can offset with second spring leaf of second travel switch, and described second travel switch is electrically connected with the controller of pressure steam sterilizer.
The end of described contact lever is connected with a manual unlocking rod, and the end of this manual unlocking rod is connected with a gripping piece of being convenient to grip, and this gripping piece places on the outer panel of body.
Described sterilization cylinder covers and be fixed with the gag lever post that the control lock pin rotates in 90 degree scope.
After adopting above structure, the utility model compared with prior art, have the following advantages: because the door lock of pressure steam sterilizer of the present utility model also comprises the locking device that locks lock pin, described locking device is positioned at body, even the sterilization cylinder internal pressure reduces or when negative pressure occurring, therefore this locking device also can make the sterilization cover firmly be pinned, and to have security performance higher for the door lock of pressure steam sterilizer of the present utility model, the advantage that is difficult for being opened.
As improvement, the end of described contact lever is connected with a manual unlocking rod, the end of this manual unlocking rod is connected with a gripping piece of being convenient to grip, this gripping piece places on the outer panel of body, and the phenomenon of having avoided opening the sterilization cover at the door lock of pressure steam sterilizer of the present utility model when meeting accident situation takes place.
As improvement, described sterilization cylinder covers and be fixed with the gag lever post that the control lock pin rotates in 90 degree scope, has effectively controlled the anglec of rotation of lock pin.
Description of drawings:
Fig. 1 is the structural representation of the door lock of pressure steam sterilizer of the present utility model.
Fig. 2 is the part sectional structure schematic diagram of the door lock of pressure steam sterilizer of the present utility model.
Fig. 3 is the locking device of door lock of pressure steam sterilizer of the present utility model and the structural representation of lock.
Fig. 4 is the structural representation of lock as shown in Figure 3.
Shown in the figure: 1, the sterilization cover, 2, axis of rotation, 3, handle, 4, lock pin, 4.1, lock hole, 5, sterilization cylinder, 6, body, 6.1, outer panel, 7, lock, 7.1, groove, 7.2, patchhole, 8, electromagnet, 9, first travel switch, 9.1, first spring leaf, 10, first junction plate, 11, armature, 12, contact lever, 13, second travel switch, 13.1, second spring leaf, 14, holder, 15, probe, 16, second junction plate, 17, the stroke limit ring, 18, manual unlocking rod, 19, grip piece, 20, the upper limit bar, 21, the lower limit bar, 22, back-moving spring, 23, the 3rd junction plate.
The specific embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 4, the door lock of pressure steam sterilizer of the present utility model, it comprise be rotatably assorted and axial limiting at the axis of rotation 2 on sterilization cover 1 one sides, the handle 3 of fixedlying connected, and the lock pin 4 of fixedlying connected vertical with axis of rotation 2 the inners with axis of rotation 2 outer ends, be installed in the lock 7 near the body 6 the sterilization cylinder 5.Described lock 7 is provided with the groove 7.1 that injects for lock pin 4, and this groove 7.1 is the U type, is opened in the middle and lower part of lock 7.Also be provided with detection lock pin 4 in the described body 6 and whether insert the checkout gear that puts in place.Unlike the prior art be, the door lock of pressure steam sterilizer of the present utility model also comprises the locking device that locks lock pin 4, described locking device is positioned at body 6.
Described locking device comprises an electromagnet 8 and first travel switch 9, and the described electromagnet 8 and first travel switch 9 all are electrically connected with the controller (not shown) of pressure steam sterilizer.The described electromagnet 8 and first travel switch 9 are installed on same first junction plate 10, and this first junction plate 10 is installed on lock 7 and the body 6, thereby realize that the described electromagnet 8 and first travel switch 9 all are installed in the body 6 through first junction plate 10.Described electromagnet 8 comprises an armature 11, and this armature 11 is shaft-like, and personnel's custom is called push rod in the industry.Described lock 7 is provided with the patchhole 7.2 that communicates with groove 7.1 on the lock 7, and described armature 11 is in patchhole 7.2 can stretch into groove 7.1 and can be inserted in the lock hole 4.1 that is located at lock pin 4 front ends.The end of described armature 4 is connected with the contact lever 12 that can offset with first spring leaf 9.1 of first travel switch 9, and this contact lever 12 is connected by the realization that is threaded with the end of armature 4.
Described checkout gear comprises a probe assembly and second travel switch 13, and described probe assembly comprises a holder 14 and a probe 15.Described holder 14 is installed on the body 6 through second junction plate 16, and described probe 15 slip caps are combined in the holder 14, are arranged with back-moving spring 22 on the described probe 15.The front end of described probe 15 can extend in the groove 7.1 of lock 7, the postmedian of described probe 15 is provided with the stroke limit ring 17 that control probe 15 enters into the length in the groove 7.1, and the rear end of described probe 15 can offset with second spring leaf 13.1 of second travel switch 13.Described second travel switch 13 is electrically connected with the controller of pressure steam sterilizer, and this second travel switch 13 is fastened on second junction plate 16 through the 3rd junction plate 23.
Door lock for fear of pressure steam sterilizer of the present utility model meets accident situation and can't open sterilization cover 1, the end of described contact lever 12 is connected with a manual unlocking rod 18, the end of this manual unlocking rod 18 is connected with a gripping piece 19 of being convenient to grip, and this gripping piece 19 places on the outer panel 6.1 of body 6.When the door lock of pressure steam sterilizer of the present utility model meets accident, under the situation that can't open sterilization cover 1, grip piece 19 as long as pull outward, just can driving armature 11, gripping piece 19 from the lock hole 4.1 of lock pin 4, breaks away from.Rotary handle 3 subsequently, just can drive the groove 7.1 of lock pin 4 from lock 7 to break away from, and realize unblanking.
Under the drive of axis of rotation 2, the angle of rotation is excessive and produce some idle strokes for fear of lock pin 4, is fixed with the gag lever post that control lock pin 4 rotates in 90 degree scopes on the described sterilization cover 1.Described gag lever post is two, and one is upper limit bar 20, and another root is a lower limit bar 21, and upper limit bar 20 and lower limit bar 21 common restriction lock pins 4 rotate in 90 degree scopes.
During use, rotary handle 3 makes lock pin 4 rotate to lower limit bar 21 places, and sterilization cover 1 simultaneously closes.Handle 3 then reverses, counter-rotating along with handle 3, lock pin 4 enters in the groove 7.1 on the lock 7 and rises to the upper end of groove 7.1 from the lower end of groove 7.1 gradually, lock pin 4 contacts simultaneously and extruding stretch to the front end of the probe 15 in the groove 7.1, make the back-moving spring 22 that is set on the probe 15 be in compressive state.15 move backward and pop one's head in, make the rear end of probe 15 touch second spring leaf 13.1 of second travel switch 13 because of the extruding of bearing lock pin 4.This moment the checkout gear circuit communication, checkout gear is realized measuring ability.The controller of pressure steam sterilizer is controlled wherein circuit energising of electromagnet 8 automatically simultaneously.The armature 11 of electromagnet 8 moves forward automatically and is inserted in the lock hole 4.1 of lock pin 4 lock pin 4 locking.Along with moving of armature 11, contact lever 12 also moves forward and is separated with first spring leaf 9.1 of first travel switch 9, and the correct locking of locking device this moment puts in place.
After the virus killing sterilization finishes, in the time of sterilization cylinder 5 need being opened, sterilization cylinder 5 internal pressures are reduced to when setting value gradually, and the controller of pressure steam sterilizer is just controlled another circuit energising of electromagnet 8 automatically, this moment 11 in armature move backward automatically and the lock hole from lock pin 4 4.1 break away from.Along with moving of armature 11, contact lever 12 also moves and touches first spring leaf 9.1 of first travel switch 9 backward.Subsequently just can rotary handle 3, make the groove 7.1 of lock pin 4 from lock 7 to break away from, the outer handle 3 of taking advantage of a situation just can be opened the cover 1 of sterilizing.When the moment that lock pin 4 breaks away from from groove 7.1 upper ends, under the return effect of back-moving spring 22, probe 15 extend into rapidly in the groove 7.1.Because the postmedian of probe 15 is provided with the stroke limit ring 17 that control probe 15 enters into the length of groove 7.1, this length only can make the front end peak with heading of probe 15 in groove 7.1.This moment, the rear end of probe 15 and second spring leaf 13.1 of second travel switch 13 were separated along with probe 15 moves.
Claims (5)
1. the door lock of a pressure steam sterilizer: it comprises and being rotatably assorted and the axis of rotation (2) of axial limiting on sterilization cover (1), the handle (3) of fixedlying connected with axis of rotation (2) outer end, inner vertical with axis of rotation (2) and fixedly connected lock pin (4), be installed in the lock (7) near the body (6) of sterilization cylinder (5), described lock (7) is provided with the groove (7.1) that injects for lock pin (4), also be provided with detection lock pin (4) in the described body (6) and whether insert the checkout gear that puts in place, it is characterized in that: it also comprises the locking device of locking lock pin (4), and described locking device is positioned at body (6).
2. the door lock of pressure steam sterilizer according to claim 1, it is characterized in that: described locking device comprises an electromagnet (8) and first travel switch (9), described electromagnet (8) and first travel switch (9) all are electrically connected with the controller of pressure steam sterilizer, described electromagnet (8) and first travel switch (9) are all in first junction plate (10) is installed in body (6), described electromagnet (8) comprises an armature (11), described lock (7) is provided with the patchhole (7.2) that communicates with groove (7.1) on the lock (7), described armature (11) also can be inserted in the lock hole (4.1) that is located at lock pin (4) front end in patchhole (7.2) can extend into groove (7.1), and the end of described armature (4) is connected with the contact lever (12) that can offset with first spring leaf (9.1) of first travel switch (9).
3. the door lock of pressure steam sterilizer according to claim 1, it is characterized in that: described checkout gear comprises a probe assembly and second travel switch (13), described probe assembly comprises a holder (14) and a probe (15), described holder (14) is installed on the body (6) through second junction plate (16), described probe (15) slip cap is combined in the holder (14), be arranged with back-moving spring (21) on the described probe (15), the front end of described probe (15) can extend in the groove (7.1) of lock (7), the postmedian of described probe (15) is provided with stroke limit ring (17), the rear end of described probe (15) can offset with second spring leaf (13.1) of second travel switch (13), and described second travel switch (13) is electrically connected with the controller of pressure steam sterilizer.
4. the door lock of pressure steam sterilizer according to claim 2, it is characterized in that: the end of described contact lever (12) is connected with a manual unlocking rod (18), the end of this manual unlocking rod (18) is connected with a gripping piece (19) of being convenient to grip, and this gripping piece (19) places on the outer panel (6.1) of body (6).
5. the door lock of pressure steam sterilizer according to claim 1 is characterized in that: be fixed with the gag lever post that control lock pin (4) rotates on the described sterilization cover (1) in 90 degree scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020553741XU CN201835635U (en) | 2010-09-29 | 2010-09-29 | Door lock of pressure steam sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020553741XU CN201835635U (en) | 2010-09-29 | 2010-09-29 | Door lock of pressure steam sterilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201835635U true CN201835635U (en) | 2011-05-18 |
Family
ID=44005741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020553741XU Expired - Fee Related CN201835635U (en) | 2010-09-29 | 2010-09-29 | Door lock of pressure steam sterilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201835635U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382797A (en) * | 2013-07-12 | 2013-11-06 | 佛山市中创医疗器械有限公司 | Desktop sterilizer air control door lock |
| CN104675218A (en) * | 2015-02-13 | 2015-06-03 | 肖泽斌 | Retainer lock for locking door of dryer |
| CN104675238A (en) * | 2015-02-13 | 2015-06-03 | 肖泽斌 | Pressing buckle lock |
| 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 |
| CN106246006A (en) * | 2016-08-31 | 2016-12-21 | 宁波明太医疗器械有限公司 | A kind of modified model steriliser locking device for door-lock |
| CN106246008A (en) * | 2016-08-31 | 2016-12-21 | 宁波明太医疗器械有限公司 | A kind of locking device for door-lock of steriliser |
-
2010
- 2010-09-29 CN CN201020553741XU patent/CN201835635U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382797A (en) * | 2013-07-12 | 2013-11-06 | 佛山市中创医疗器械有限公司 | Desktop sterilizer air control door lock |
| CN103382797B (en) * | 2013-07-12 | 2016-06-08 | 佛山市中创医疗器械有限公司 | desktop sterilizer air control door lock |
| CN104675218A (en) * | 2015-02-13 | 2015-06-03 | 肖泽斌 | Retainer lock for locking door of dryer |
| CN104675238A (en) * | 2015-02-13 | 2015-06-03 | 肖泽斌 | Pressing buckle lock |
| CN104675238B (en) * | 2015-02-13 | 2017-01-04 | 广州市信宏洗衣机械有限公司 | A kind of clinching lock |
| CN104675218B (en) * | 2015-02-13 | 2017-05-24 | 肖泽斌 | Retainer lock for locking door of dryer |
| 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 |
| CN106246006A (en) * | 2016-08-31 | 2016-12-21 | 宁波明太医疗器械有限公司 | A kind of modified model steriliser locking device for door-lock |
| CN106246008A (en) * | 2016-08-31 | 2016-12-21 | 宁波明太医疗器械有限公司 | A kind of locking device for door-lock of steriliser |
| CN106246006B (en) * | 2016-08-31 | 2019-07-12 | 宁波明太医疗器械有限公司 | A kind of modified sterilizer locking device for door-lock |
| CN106246008B (en) * | 2016-08-31 | 2019-07-12 | 宁波明太医疗器械有限公司 | A kind of locking device for door-lock of sterilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20120929 |