CN102966280A - Hollow hinge of box door - Google Patents
Hollow hinge of box door Download PDFInfo
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- CN102966280A CN102966280A CN2012104644013A CN201210464401A CN102966280A CN 102966280 A CN102966280 A CN 102966280A CN 2012104644013 A CN2012104644013 A CN 2012104644013A CN 201210464401 A CN201210464401 A CN 201210464401A CN 102966280 A CN102966280 A CN 102966280A
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- hinge
- chamber door
- bearing pin
- carrier bar
- bearing
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Abstract
The invention provides a hollow hinge of a box door. Two ends of the hollow hinge are respectively a box door connecting end for connecting the door box and a doorframe connecting end for connecting a doorframe; a hinge plate is arranged in the middle of the hollow hinge; the hinge plate is connected with the doorframe connecting end by a pin shaft; the hollow hinge is provided with a cavity which can run through an external part through a first opening and a second opening; the first opening is positioned at the doorframe connecting end; and the second opening is positioned on in the hinge plate or at the box door connecting end. By using the hollow hinge, fluid is introduced into and drawn forth of a fluid passage of the box door of a freeze dyer from a machine room behind the separating doorframe, the fluid passage is not separately arranged outside the hinge of the box door; and a fluid pipeline and the hinge of the box door are combined into one. By using the hollow hinge, not only can the difficulties of a conventional hose assembly and a rotating joint which are positioned between the box door of the freeze dryer and the separating doorframe on cleaning and sterilization working aspects be eliminated, but also the hidden danger that the fluid leaks to pollute a sterile room can be eliminated.
Description
Technical field
The present invention relates to a kind of hollow hinge of chamber door, it is suitable for adopting vacuum freeze-drying technique that medicine is carried out the sterilizing cabinet that dry employed freeze dryer and pharmaceuticals industry adopt steam to sterilize.
Background technology
Because the principle that the employing steam of described freeze dryer and described sterilizing cabinet is sterilized is identical, and the structural similarity of chamber door and isolation doorframe, so following narration is only take freeze dryer as example.
For the freeze-drying production of sterile preparation similar drug, polluted by production equipment for preventing medicine, need regularly freeze dryer to be carried out sterilization treatment.Adopting superheated vapour, may pollute freeze dryer more than the position of medicine or the system heating to 121 ℃ and keep being no less than 30min, is the reliable method that is suitable for the freeze dryer sterilization.After the freeze dryer sterilization, if adopt the cooling means of natural heat dissipation, often need about 12 hours the cool time of equipment.With equipment investment production, the pharmaceutical factory often needs to adopt the fluid of proper temperature for as early as possible, and position or system that freeze dryer is heated by steam force cooling.Fluid can be gas, water or oils.The drying box of freeze dryer is one of position of steam sterilizing, in order to shorten the cool time of drying box, is provided with cooling jacket on the casing of drying box and the chamber door, is used for forcing cooling.
At present, between the chamber door and isolation doorframe of freeze dryer, fluid from the machine room introducing of isolating the doorframe back and the method for drawing chamber door, is generally adopted the method that pipeline is set separately.Because the chamber door of freeze dryer needs often to open, and opening angle often need reach about 110 degree, simultaneously, the sagging displacement of chamber door that the chamber door deadweight causes, also need the installation site of box door hinges is regularly adjusted, so, in order to satisfy the displacement demand of chamber door, be separately set in the pipeline between chamber door and the isolation doorframe, what generally adopt is to connect swivel joint with hose, and then connecting chamber door and the method for isolating doorframe, Fig. 1 has represented isolation doorframe 1, chamber door 2, flexible pipe 3, swivel joint 4, hinge 5, door frame of box 6, the connection facilities of chamber door cover plate 7, wherein, isolation doorframe 1 is welded on the door frame of box 6, chamber door cover plate 7 is installed on the chamber door 2, and interface one end of swivel joint is connected with flexible pipe 3, and the other end is connected with the pipeline that passes through the isolation doorframe by pipe fitting.As can be seen from Figure 1, fluid from the machine room introducing of isolating the doorframe back and the fluid passage of drawing chamber door, is arranged on outside the box door hinges separately.
With shown in Figure 1 for chamber door is introduced and drawn to fluid from the machine room of isolation doorframe back, and the corresponding box door hinges of the method that pipeline is set separately, shown in Fig. 2-1 and Fig. 2-2, contain the first hinge seat 8, the first bearing pin 9, packing ring 10 between the first hinge seat and the carrier bar, adjust screw 11, be arranged on the collar 12 on the first bearing pin, carrier bar 13, the second hinge seat 14, the second bearing pin 15, base bearing 16, the packing ring 17 that arranges between carrier bar and bearing, back-up ring 18, dog screw 19 and be arranged on collar 20 on the second bearing pin, be mainly used in supporting chamber door and open and close motion, wherein, hinge seat 8 is installed on the chamber door 2 of freeze dryer, hinge seat 14 is installed on the door frame of box 6 of freeze dryer, and carrier bar 13 and bearing pin 15 are solid construction.
Fluid is introduced and drawn chamber door and the pipeline that arranges separately from the machine room of isolation doorframe back, in order to satisfy the displacement demand of freeze dryer case door, what adopt is that hose connects swivel joint and then connects chamber door and the method for isolating doorframe, because hose and swivel joint junction exist the structure slit, very difficult to cleaning and the disinfection that carry out in this structure slit, and because hose exists the situation of the damaging leakage that flexural fatigue causes, swivel joint exists the situation of the continuous accumulation of tiny leakage of sealing surface, therefore, above-mentioned fluid is introduced and drawn chamber door and the method for pipeline is set separately from the machine room of isolation doorframe back, not only exist the difficulty of cleaning and disinfection aspect, and exist the hidden danger of polluting bacteria free room because of fluid leakage.
Summary of the invention
For overcoming between existing chamber door at freeze dryer and the isolation doorframe, with fluid deficiency on the method when the machine room of isolation doorframe back is introduced and draw chamber door, the present invention wants to provide between a kind of new chamber door at freeze dryer and the isolation doorframe, with fluid from the machine room introducing of isolation doorframe back and draw the device of chamber door.
Device provided by the invention is a kind of hollow hinge of chamber door, two ends are respectively for the chamber door link and the doorframe link that is connected connecting doorframe that connect chamber door, the centre is carrier bar, described carrier bar is connected with bearing pin with described doorframe link, this hollow hinge is provided with and can connects extraneous cavity by the first opening and the second opening, the first opening is positioned on the described doorframe link, the second opening be positioned on the carrier bar or the chamber door link on.
Preferably, described chamber door link comprises the first hinge seat and the first bearing pin, and described carrier bar is connected on described the first hinge seat by described the first bearing pin.
Further preferably, this hollow hinge also comprises the packing ring that is arranged between the first hinge seat and the carrier bar, is arranged on the collar on the first bearing pin and regulates the adjustment screw that carrier bar is connected with the chamber door link.
Preferably, described doorframe link comprises the second hinge seat, the second bearing pin and is arranged on two base bearings on the second hinge seat that described carrier bar is connected on the second hinge seat by the second bearing pin that is arranged in the described base bearing.
Further preferably, described the first opening is positioned on described the second bearing pin, and the second bearing pin has the cavity that can connect described carrier bar and the hollow-core construction of described the first opening.
Be provided with sealing ring between described carrier bar and the second bearing pin.
Further preferably, be provided with packing ring between carrier bar and described base bearing, be provided with collar on the second bearing pin.
Still more preferably, be provided with the dog screw of locating with the second bearing pin for adjusting on the described carrier bar, be provided with sealing ring between this dog screw and the carrier bar.
Further preferably, be provided with pin outside the sealing ring that arranges between carrier bar and the second bearing pin, be provided with back-up ring outside this pin.
Further preferably, described the first opening is positioned on described the second bearing pin, the second bearing pin is provided with outer end bearing near an end of the first opening, be provided with packing ring between the base bearing of outer end bearing and vicinity, outer end bearing is arranged on the bearing support, bearing support is installed on the second hinge seat, is provided with sealing ring between bearing support and the second bearing pin.
The present invention introduces fluid and draw from the machine room of isolation doorframe back the fluid passage of freeze dryer case door, be not arranged on separately outside the box door hinges, but the hinge of fluid circuit and chamber door is united two into one, fluid circuit is arranged among the box door hinges, box door hinges both had been used for supporting chamber door and had opened and closed motion, was again the fluid passage simultaneously; Adopt the present invention, also swivel joint can be installed in machine room one side of isolation doorframe, therefore, the present invention not only can eliminate hose and the difficulty of swivel joint aspect cleaning and disinfection between existing chamber door at freeze dryer and the isolation doorframe, and can leak and the hidden danger of pollution bacteria free room by eliminate fluid.
Description of drawings
Fig. 1 is schematic diagram of fluid being introduced and drawing chamber door of the prior art;
Fig. 2-1 and Fig. 2-2 is respectively front view and the top view of box door hinges of the prior art;
Fig. 3 is the schematic diagram of a kind of implementation column of the present invention;
Fig. 4-1 and Fig. 4-2 is respectively front view and the top view of the box door hinges of a kind of embodiment of the present invention.
Fig. 5-1 and Fig. 5-2 is front view and the top view of the another kind of box door hinges of a kind of embodiment of the present invention.
Among the figure:
1-isolates doorframe, 2-chamber door, 3-flexible pipe, the 4-swivel joint, 5-hinge, 6-door frame of box, 7-chamber door cover plate, 8-the first hinge seat, 9-the first bearing pin, packing ring between 10 first hinge seats and the carrier bar, 11 adjust screw, and 12 are arranged on the collar on the first bearing pin, the 13-carrier bar, 14-the second hinge seat, 15-the second bearing pin, the 16-base bearing, the packing ring that arranges between 17 carrier bars and bearing, 18 back-up rings, the 19-dog screw, 20 are arranged on the collar on the second bearing pin, the sealing ring that the 21-dog screw is outer, the sealing ring that arranges between 22-carrier bar and the second bearing pin, the end cap of 23-the second bearing pin one end, 24-nut, the screw of the fixing described end cap of 25-, the 26-pin, packing ring between the outer end bearing of 27-and the base bearing, the outer end bearing of 28-, the screw of 29-fixed bearing block, the 30-bearing support, the sealing ring between 31-bearing support and the second bearing pin.
The specific embodiment
The present invention is described further below in conjunction with the drawings and specific embodiments, yet described embodiment should not explain in the mode of restriction.
Fig. 3 is the schematic diagram of a kind of specific embodiment of the present invention.As seen from Figure 3, between chamber door and isolation doorframe, fluid is introduced and is drawn the method for chamber door from the machine room of isolation doorframe back, pipeline is not set separately outside box door hinges 5, hinge 5 is installed between isolation doorframe 1 and the chamber door 2, one end interface of hinge 5 is connected with the fluid chuck of chamber door inside by flexible pipe 3, the other end interface of hinge 5 is connected with an interface of swivel joint 4, an interface of swivel joint 4 is connected with hinge 5, and swivel joint 4 another interfaces are connected with the pipeline that passes through the isolation doorframe by pipe fitting.
Fig. 4-1 and Fig. 4 the-the 2nd, and be of the present invention and shown in Figure 3 for chamber door is introduced and drawn to fluid from the machine room of isolation doorframe back, and front view and the top view of the hollow hinge of the corresponding a kind of embodiment of the method that pipeline is not set separately, contain the first hinge seat 8, the first bearing pin 9, packing ring 10 between the first hinge seat and the carrier bar, regulate the adjustment screw 11 of carrier bar and the first hinge seat, be arranged on the collar 12 on the first bearing pin, carrier bar 13, the second hinge seat 14, the end cap 23 of the second bearing pin one end, the second bearing pin 15, nut 24, the screw 25 of fixing described end cap, two base bearings 16 of the second bearing pin, the packing ring 17 that arranges between carrier bar and base bearing, the sealing ring 22 that arranges between carrier bar and the second bearing pin and outside pin 26, back-up ring 18 outside the pin 26, outer end bearing 28, packing ring 27 between outer end bearing 28 and the base bearing connects the bearing support 30 of outer end bearing, the screw 29 of fixed bearing block, sealing ring 31 between bearing support and the second bearing pin, wherein, the first hinge seat 8 is installed on the chamber door 2, the second hinge seat 23 is installed on the door frame of box 6, carrier bar 13 and the second bearing pin 15 are hollow-core construction, the second bearing pin 15 passes carrier bar 13 and is installed among base bearing 16 and the outer end bearing 28, the inside slotted eye of carrier bar 13 is connected with the second bearing pin 15 inner slotted eyes, the second opening b on the carrier bar 13 is connected with the fluid chuck that is positioned at chamber door inside by flexible pipe 3, the first opening a on the second bearing pin 15 is connected with an interface of swivel joint 4, and swivel joint 4 another interfaces are connected with the pipeline that passes through the isolation doorframe by pipe fitting.
The design of part that is positioned at chamber door 2 closed conditions one side of the second hinge seat 23 has that the side that can pass through isolation doorframe 1 is outstanding to connect edge, and the outstanding edge that connects in this side is plugged among the isolation doorframe 1.
Fig. 5-1 and Fig. 5 the-the 2nd, and be of the present invention and shown in Figure 3 for chamber door is introduced and drawn to fluid from the machine room of isolation doorframe back, and front view and the top view of the corresponding another kind of hollow hinge of the method that pipeline is not set separately, contain the first hinge seat 8, the first bearing pin 9, packing ring 10 between the first hinge seat and the carrier bar, regulate the adjustment screw 11 that carrier bar is connected with the first hinge seat, be arranged on the collar 12 on the first bearing pin, two base bearings 16 of the second bearing pin, the packing ring 17 that arranges between carrier bar and base bearing, the back-up ring 18 that packing ring is outer, collar 20 on the second bearing pin is set, the sealing ring 22 that arranges between carrier bar and the second bearing pin, carrier bar 13, the second hinge seat 14, the second bearing pin 15, dog screw 19, the sealing ring 21 that dog screw is outer, wherein, the first hinge seat 8 is installed on the chamber door 2, the second hinge seat 14 is installed on the door frame of box 6, carrier bar 13 and the second bearing pin 15 are hollow-core construction, the second bearing pin 15 passes carrier bar 13 and is installed among the base bearing 16, the inside slotted eye of carrier bar 38 is connected with the second bearing pin 15 inner slotted eyes, the second opening b on the carrier bar 13 is connected with the fluid chuck that is positioned at chamber door inside by flexible pipe 3, the first opening a on the second bearing pin 15 is connected with an interface of swivel joint 4, and swivel joint 4 another interfaces are connected with the pipeline that passes through the isolation doorframe by pipe fitting.
The design of part that is positioned at chamber door 2 closed conditions one side of the second hinge seat 14 has that the side that can pass through isolation doorframe 1 is outstanding to connect edge, and the outstanding edge that connects in this side is plugged among the isolation doorframe 1.
Technical scheme shown in Figure 5 is compared with technical scheme shown in Figure 4, although also can solve the problem that prior art exists, but because the difficulty of the bearing lubrication in the technical scheme shown in Figure 5, replacing after the bearing wear also has difficulties, so it is technical scheme shown in Figure 4 that the present invention solves the in-problem priority scheme of prior art.
The internal cavities of described carrier bar can adopt the machine moulding, also can adopt welding fabrication.
Described bearing can be that sliding bearing also can be rolling bearing.
The buying of above-mentioned each component, manufacturing, installation and using method are all the general knowledge that the one of ordinary skilled in the art all knows, here no longer narration.
Claims (10)
1. the hollow hinge of a chamber door, two ends are respectively for the chamber door link and the doorframe link that is connected connecting doorframe that connect chamber door, the centre is carrier bar, described carrier bar is connected with bearing pin with described doorframe link, it is characterized in that, this hollow hinge is provided with and can connects extraneous cavity by the first opening and the second opening, and the first opening is positioned on the described doorframe link, the second opening be positioned on the carrier bar or the chamber door link on.
2. the hollow hinge of a kind of chamber door according to claim 1 is characterized in that, described chamber door link comprises the first hinge seat and the first bearing pin, and described carrier bar is connected on described the first hinge seat by described the first bearing pin.
3. the hollow hinge of a kind of chamber door according to claim 2 is characterized in that, also comprises the packing ring that is arranged between the first hinge seat and the carrier bar, is arranged on the collar on the first bearing pin and regulates the adjustment screw that carrier bar is connected with the chamber door link.
4. the hollow hinge of a kind of chamber door according to claim 1, it is characterized in that, described doorframe link comprises the second hinge seat, the second bearing pin and is arranged on two base bearings on the second hinge seat that described carrier bar is connected on the second hinge seat by the second bearing pin that is arranged in the described base bearing.
5. the hollow hinge of a kind of chamber door according to claim 4 is characterized in that, described the first opening is positioned on described the second bearing pin, and the second bearing pin has the cavity that can connect described carrier bar and the hollow-core construction of described the first opening.
6. according to claim 4 or the hollow hinge of 5 described a kind of chamber doors, it is characterized in that, be provided with sealing ring between described carrier bar and the second bearing pin.
7. the hollow hinge of a kind of chamber door according to claim 6 is characterized in that, is provided with packing ring between carrier bar and described base bearing, is provided with collar on the second bearing pin.
8. the hollow hinge of a kind of chamber door according to claim 6 is characterized in that, is provided with the dog screw of locating with the second bearing pin for adjusting on the described carrier bar, is provided with sealing ring between this dog screw and the carrier bar.
9. the hollow hinge of a kind of chamber door according to claim 6 is characterized in that, is provided with pin outside the sealing ring that arranges between carrier bar and the second bearing pin, is provided with back-up ring outside this pin.
10. the hollow hinge of a kind of chamber door according to claim 6, it is characterized in that, described the first opening is positioned on described the second bearing pin, the second bearing pin is provided with outer end bearing near an end of the first opening, be provided with packing ring between the base bearing of outer end bearing and vicinity, outer end bearing is arranged on the bearing support, and bearing support is installed on the second hinge seat, is provided with sealing ring between bearing support and the second bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464401.3A CN102966280B (en) | 2012-11-16 | 2012-11-16 | Hollow hinge of box door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464401.3A CN102966280B (en) | 2012-11-16 | 2012-11-16 | Hollow hinge of box door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966280A true CN102966280A (en) | 2013-03-13 |
| CN102966280B CN102966280B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210464401.3A Active CN102966280B (en) | 2012-11-16 | 2012-11-16 | Hollow hinge of box door |
Country Status (1)
| Country | Link |
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| CN (1) | CN102966280B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453508A (en) * | 2014-11-14 | 2015-03-25 | 上海森林特种钢门有限公司 | Double-joint self-adjustment hinge structure |
| CN104871809A (en) * | 2014-02-28 | 2015-09-02 | 陕西森盛菌业科技有限公司 | Sterilization box for edible fungus strains |
| CN107419982A (en) * | 2017-08-29 | 2017-12-01 | 浙江臻强精密机械有限公司 | A kind of band plain thrust bearing hinge means |
| CN113631788A (en) * | 2019-04-05 | 2021-11-09 | 一生产品公司 | Hinge for double-hinged door |
| CN115059364A (en) * | 2022-05-25 | 2022-09-16 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Vacuum box sealing door installation method capable of overcoming influence of rigid rotation of door body on sealing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101706726B1 (en) * | 2015-06-12 | 2017-02-16 | 주식회사 세종파마텍 | Door assembly for pill coating |
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| US3872541A (en) * | 1974-04-15 | 1975-03-25 | Hager & Sons Hinge Mfg | Hinge capable of transmitting pressurized air |
| CN2807715Y (en) * | 2005-06-22 | 2006-08-16 | 华东计算技术研究所 | Hollow sealed damping hinge |
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| CN202176192U (en) * | 2011-08-05 | 2012-03-28 | 山东浩器生物装备技术有限公司 | Door hinge structure of freeze dryer |
| CN202990666U (en) * | 2012-11-16 | 2013-06-12 | 伊马莱富（北京）制药系统有限公司 | Hollow hinge of box door |
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2012
- 2012-11-16 CN CN201210464401.3A patent/CN102966280B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3872541A (en) * | 1974-04-15 | 1975-03-25 | Hager & Sons Hinge Mfg | Hinge capable of transmitting pressurized air |
| CN2807715Y (en) * | 2005-06-22 | 2006-08-16 | 华东计算技术研究所 | Hollow sealed damping hinge |
| CN201635552U (en) * | 2010-01-08 | 2010-11-17 | 北京中德天合科技有限责任公司 | Box door hinge for drying box of freeze dryer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104871809A (en) * | 2014-02-28 | 2015-09-02 | 陕西森盛菌业科技有限公司 | Sterilization box for edible fungus strains |
| CN104453508A (en) * | 2014-11-14 | 2015-03-25 | 上海森林特种钢门有限公司 | Double-joint self-adjustment hinge structure |
| CN107419982A (en) * | 2017-08-29 | 2017-12-01 | 浙江臻强精密机械有限公司 | A kind of band plain thrust bearing hinge means |
| CN113631788A (en) * | 2019-04-05 | 2021-11-09 | 一生产品公司 | Hinge for double-hinged door |
| CN113631788B (en) * | 2019-04-05 | 2023-06-16 | 一生产品公司 | Double door hinge |
| US11898390B2 (en) | 2019-04-05 | 2024-02-13 | Lifetime Products, Inc. | Double jointed door hinge |
| CN115059364A (en) * | 2022-05-25 | 2022-09-16 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Vacuum box sealing door installation method capable of overcoming influence of rigid rotation of door body on sealing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102966280B (en) | 2015-05-27 |
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