CN101984212B - Seal gate structure for vacuum refrigeration drying case - Google Patents
Seal gate structure for vacuum refrigeration drying case Download PDFInfo
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- CN101984212B CN101984212B CN2010105322234A CN201010532223A CN101984212B CN 101984212 B CN101984212 B CN 101984212B CN 2010105322234 A CN2010105322234 A CN 2010105322234A CN 201010532223 A CN201010532223 A CN 201010532223A CN 101984212 B CN101984212 B CN 101984212B
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- hermatic door
- doorframe
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- adjustment cover
- gate
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Abstract
The invention provides a seal gate structure for a vacuum refrigeration drying case, belonging to the technical field of vacuum refrigeration drying devices. The seal gate structure comprises a case body and a seal gate, wherein the case body is provided with a gate frame; the gate frame is provided with a gate cavity; and the seal gate is pivoted on the gate frame, and corresponds with the gate cavity. The seal gate structure is characterized in that eccentric trepan bores are alternately reserved on the gate frame and the periphery around the gate frame; a seal gate locking mechanism is arranged at the position corresponding to the eccentric trepan bores; a locking groove is formed at the periphery of the seal gate; and the seal gate locking mechanism is matched with the locking groove through the eccentric trepan bores. The technical scheme of the invention is as follows: the seal gate locking mechanisms are alternately arranged on the gate frame and the periphery of the gate frame, and the locking groove which is locked and matched with the seal gate locking mechanisms is formed at the periphery of the seal gate outwards, so the seal gate is stress uniformly to avoid deformation, and excellent sealing property is ensured between the seal gate and gate cavity.
Description
Technical field
The invention belongs to the vacuum freezing drying device technical field, be specifically related to a kind of hermatic door structure of vacuum freezing drying oven.
Background technology
Vacuum freeze drying abbreviates freeze drying usually as, and then abbreviates freeze-drying as, so vacuum freezing drying oven abbreviates freeze drying box as, and then abbreviates freeze drying box as.Vacuum freezing drying oven widely uses in the production of chemical and medicine industry and biological products; Usually combine by work box and equipment box connected to one another and that implement each other to be tightly connected; Work box is called preceding casing by custom, and equipment box is called rear box by custom.Under work box is in running order, promptly be under the state to the goods vacuum freeze drying, not only require hermatic door to have ultimate attainment sealing, and, therefore must guarantee that hermatic door does not deform because the case chamber of work box is in negative pressure state.In view of the above; Usually adopt the gate valve principle to handle the keying in hermatic door and case chamber; Though and the hermatic door that is suitable for the application of gate valve principle can be alleviated the deformation of a body; But sealing can't show gratifying degree, because there is the gap that is difficult to eliminate between the guide-track groove of hermatic door and case chamber accent.Though the strong point that the hermatic door that uses the door-hinge formula to open and close has for aforesaid gate valve type hermatic door (need not to use the power that starts the hermatic door motion) simple in structure and sealing are improved; But the problem on deformation of door body is comparatively outstanding; And, just directly influence sealing effectiveness in case the door body deforms.Though China's utility model patent Granted publication CN201387206Y disclosed a kind of vacuum freezing drying oven has illustrated to be positioned at the hermatic door at the case accent place of work box, the concrete structure of not mentioned hermatic door in description.
Summary of the invention
Task of the present invention is to provide a kind of can the guarantee effectively stressedly evenly to use and avoid a body deformability, can embody again and casing between the hermatic door structure of vacuum freezing drying oven of desirable sealing effectiveness.
Task of the present invention is accomplished like this, and a kind of hermatic door structure of vacuum freezing drying oven comprises casing and hermatic door; Casing has doorframe; Doorframe has a chamber, and the hermatic door pivot is arranged on the doorframe, and corresponding to the door chamber; Be characterised in that: offer eccentric trepanning on the said doorframe and around the circumferentially-spaced of doorframe; Be provided with the hermatic door locking mechanism at the position corresponding to eccentric trepanning, the position, edge of described hermatic door constitutes lock slots, and described hermatic door locking mechanism matches with lock slots through said eccentric trepanning.
In a concrete embodiment of the present invention; Described hermatic door locking mechanism comprises that acting cylinder, eccentric adjustment cover and eccentric adjustment cover limit seat; Eccentric adjustment cover limits seat and is fixed on the said doorframe, and the center through hole that this off-centre adjustment cover limits seat is corresponding with described eccentric trepanning, and eccentric adjustment cover is inserted in the center through hole rotationally; And should off-centre the lower end of adjustment cover match with said eccentric trepanning; And the upper end leans out center through hole, and the cylinder body of acting cylinder is fixed with the upper end of eccentric adjustment cover, and the acting cylinder post of acting cylinder matches with described lock slots through the off-centre adjustment cover through hole of off-centre adjustment cover.
In another concrete embodiment of the present invention; Described eccentric adjustment cover limits seat and constitutes a step chamber towards a side of said doorframe; Constitute a cooperation flange on the outer wall of described eccentric adjustment cover and in position extension, cooperate flange to match with said step chamber corresponding to the step chamber.
In another concrete embodiment of the present invention, described doorframe be shaped as cuboid or square, described hermatic door be shaped as cuboid or square.
In another concrete embodiment of the present invention, a side of the short transverse of said doorframe and be installed with a pair of first pivotal block, and the opposite side of the short transverse of doorframe and be installed with the pair of locking device towards said hermatic door equally towards said hermatic door; One side of the short transverse of described hermatic door and be installed with a pair of second pivotal block at position corresponding to said pivotal block; Second pivotal block is through the pivot and the first pivotal block pivotal connection; Be installed with lock hook at the opposite side of the short transverse of hermatic door and at the position corresponding to said lock, lock hook matches with lock.
Also have among the concrete embodiment of the present invention, described lock comprises screw bolt seat, screw rod and lock hook nut, and screw bolt seat is fixed on the described doorframe; Screw rod is hinged on screw bolt seat; The lock hook nut is connected with screw flight, and wherein, screw rod matches with lock hook.
more of the present invention and among concrete embodiment, described lock hook has a hook groove, described screw rod matches with the hook groove.
In of the present invention and then concrete embodiment, described hermatic door is provided with visor.
More among concrete embodiment, offer seal groove on the chamber wall in described door chamber again of the present invention, be embedded with sealing strip in the seal groove.
In again of the present invention and then concrete embodiment, the end of described acting cylinder post is installed with a stop pin, and this stop pin matches with said lock slots.
Technical scheme provided by the invention is owing to be equipped with the hermatic door locking mechanism on doorframe and around the circumferentially-spaced of doorframe; And constitute at the position, edge of hermatic door outward and the hermatic door locking mechanism lock slots of lock fit mutually; Thereby can make hermatic door stressed evenly; Avoid distortion, and make between hermatic door and the chamber and have good sealing property.
Description of drawings
Fig. 1 is a concrete example structure figure of the present invention.
Fig. 2 is the sealed sketch map of hermatic door locking mechanism of the present invention and hermatic door.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.
Ask for an interview Fig. 1, provide the casing 1 of vacuum freezing drying oven, this casing 1 has a doorframe 11; Doorframe 11 constitutes a chamber 111, and the shape of doorframe 11 both can be that rectangle is a cuboid, also can be that square is a square; Circumferentially-spaced at doorframe 11 offers eccentric trepanning 112; In the present embodiment, though illustrated on the upper and lower caash bar of doorframe 11 each three eccentric trepanning 112 and illustrated each two eccentric trepannings 112 on the left and right caash bar of doorframe 11 obviously should not receive the restriction of this quantity; For example when the size of doorframe 11 increases, quantity that then can the eccentric trepanning 112 of corresponding increase.On aforesaid door chamber 111, offer seal groove 1111, be embedded with sealing strip 1112 in the seal groove 1111, the sealing strip 1112 preferred rubber strips that use are filled the post of.
Be to be fixed with a pair of first pivotal block 114 on the outer wall of a side of doorframe 11 outwards at doorframe 11 towards a side of hermatic door 2; And be fixed with pair of locking device 115 on the outer wall of the opposite side of doorframe 11 outwards; Each lock 115 comprises screw bolt seat 1151, screw rod 1152, lock hook nut 1153; Screw bolt seat 1151 is the shape of a hoof; Perhaps be fixed on the doorframe 11 with other similar fixed form with welding or riveted joint, an end of screw rod 1152 has one and connects mortar head 1155, and this connects mortar head 1155 through bearing pin 1154 and screw bolt seat 1151 pivotal connections; And lock hook nut 1153 is threaded with the other end of screw rod 1152, constitutes handle 1156 at the end of this lock hook nut 1153.
On hermatic door 2 and a side on the surface of outward be installed with a pair of second pivotal block 22, this is corresponding with aforesaid first pivotal block 114 to second pivotal block 22, and by pivot 221 and first pivotal block, 114 pivotal connections.On hermatic door 2 and the opposite side on the surface of outward be fixed with pair of locking hook 23; And an end that leans out the side edge of hermatic door 2 at lock hook 23 constitutes a hook groove 231; Because the position of lock hook 23 is corresponding with aforesaid lock 115, thereby match with hook groove 231 by lock hook nut 1153.When screw rod 1152 pushes hook groove 231 and turn handle 1156, hermatic door 2 and door chamber 11 are closed, vice versa.The visor 24 of the situation in the central part of hermatic door 2 is provided with the case chamber that is used to watch casing 1.
Ask for an interview Fig. 2 and combine Fig. 1, as the present invention program's technical essential: the position, edge at hermatic door 2 all is concaved with lock slots 21, that is to say that lock slots 21 is at the inside and outside cell wall 211 at the position, edge of hermatic door 2, between 212.The correspondence position of the eccentric trepanning 112 of the doorframe of having mentioned in front 11 is provided with hermatic door locking mechanism 3; Preferably but not the structure of the hermatic door locking mechanism 3 that definitely is limited to is following: comprise that acting cylinder 31, eccentric adjustment cover 32 and eccentric adjustment cover limit seat 33; The central authorities that eccentric adjustment cover limits seat 33 have a center through hole 331; And should off-centre adjustment cover qualification seat 33 sides also constitute a step chamber 332 towards doorframe 11; Limit spaced apart first fixing screw hole 333 that is provided with of circumferencial direction of seat 33 at off-centre adjustment cover; On doorframe 11 and around eccentric trepanning 112, offer first fixing screw hole 113, through first, second fixing screw hole 333,113 off-centre adjustment cover is limited seat 33 with screw 3331 and fix (Fig. 2 shows), and center through hole 331 is corresponding with eccentric trepanning 112 with doorframe 11.Eccentric adjustment cover 32 has an eccentric adjustment cover through hole 321; And should off-centre the lower end of adjustment cover 32 insert in the aforesaid eccentric trepanning 112; The upper end leans out eccentric adjustment cover and limits seat 33; On the outer wall at the nearly middle part of off-centre adjustment cover 32, constitute one and cooperate flange 322, this cooperation flange 322 matches with aforesaid step chamber 332.During assembling, earlier eccentric trepanning 112 is inserted in the lower end of off-centre adjustment cover 32, it is fixing with doorframe 11 then with screw 3331 off-centre adjustment cover to be limited seat 33, through artificially dialling of off-centre adjustment cover 32 being revolved, can change eccentric adjustment cover 32 positions at circumferencial direction.Acting cylinder 31 is that top fix with acting cylinder hold-down screw 312 (Fig. 2 shows) with the eccentric upper end of adjusting cover 32 with plumbness; The acting cylinder post 311 of this acting cylinder 31 is stretched in the eccentric bushing through hole 321; And the end (illustrated lower end) at acting cylinder post 311 is installed with a lock pin 3111; Under the work of acting cylinder 31, lock pin 3111 both can probe into lock slots 21, can recess lock slots 21 again.Because acting cylinder 31 is fixing with off-centre adjustment cover 32; Therefore overlapped 32 o'clock for the eccentric adjustment of turn the people; Take acting cylinder 31 by off-centre adjustment cover 32 and do corresponding motion, use hermatic door 2 is in guarantee under the closed condition that lock pin 3111 abuts on the aforesaid internal groove side wall 211.Aforesaid acting cylinder 31 both can be an oil cylinder, can be cylinder also, and present embodiment is selected the former.
The applicant sketches use of the present invention; During casing 1 work; Promptly in the time will implementing vacuum freeze drying to the goods in the casing 1; 25 hermatic door 2 dragged towards the direction in door chamber 111 through shaking hands, and aforesaid lock 115 is sealed with lock hook 23, by 2 sealings of the 1112 pairs of hermatic doors of sealing strip in the seal groove on the door chamber 111 1111.Then make acting cylinder 31 work, acting cylinder post 311 is taken lock pin 3111 and in the off-centre adjustment cover through hole 321 of eccentric adjustment cover 32, is stretched out, and get in the lock slots 21, and lock pin 3111 pastes and touch on internal groove side wall 211, makes hermatic door 2 be close to a chamber 111.After casing 1 work was accomplished, with finishing goods after the vacuum freeze drying when take out in the case chamber of casing 1, the unlatching of hermatic door 2 was opposite with aforesaid course of action.Under hermatic door 2 blockings, owing to be arranged on the effect of the hermatic door locking mechanism 3 around the doorframe 11, can guarantee hermatic door 2 stressed even and guarantee sealing effectiveness, metaboly can not appear.
Claims (11)
1. the hermatic door structure of a vacuum freezing drying oven; Comprise casing (1) and hermatic door (2), casing (1) has doorframe (11), and doorframe (11) has a chamber (111); Hermatic door (2) pivot is arranged on the doorframe (11); And corresponding to door chamber (111), it is characterized in that: said doorframe (11) is gone up and is offered eccentric trepanning (112) around the circumferentially-spaced of doorframe (11), is provided with hermatic door locking mechanism (3) at the position corresponding to eccentric trepanning (112); The position, edge of described hermatic door (2) constitutes lock slots (21), and described hermatic door locking mechanism (3) matches with lock slots (21) through said eccentric trepanning (112).
2. the hermatic door structure of vacuum freezing drying oven according to claim 1; It is characterized in that described hermatic door locking mechanism (3) comprises that acting cylinder (31), eccentric adjustment cover (32) and eccentric adjustment cover limit seat (33); Eccentric adjustment cover limits seat (33) and is fixed on the said doorframe (11); The center through hole (331) that this off-centre adjustment cover limits seat (33) is corresponding with described eccentric trepanning (112); Eccentric adjustment cover (32) is inserted in the center through hole (331) rotationally, and lower end that should off-centre adjustment cover (32) matches with said eccentric trepanning (112), and the upper end leans out center through hole (331); The cylinder body of acting cylinder (31) is fixed with the upper end of eccentric adjustment cover (32), and the acting cylinder post (311) of acting cylinder (31) matches with described lock slots (21) through the off-centre adjustment cover through hole (321) of eccentric adjustment cover (32).
3. the hermatic door structure of vacuum freezing drying oven according to claim 2; It is characterized in that described eccentric adjustment cover limits seat (33) and constitutes a step chamber (332) towards a side of said doorframe (11); Constitute a cooperation flange (322) on the outer wall of described eccentric adjustment cover (32) and in position extension, cooperate flange (322) to match with said step chamber (332) corresponding to step chamber (332).
4. the hermatic door structure of vacuum freezing drying oven according to claim 1 is characterized in that the cuboid that is shaped as of described doorframe (11), described hermatic door (2) be shaped as cuboid.
5. according to the hermatic door structure of claim 1 or 4 described vacuum freezing drying ovens; It is characterized in that said doorframe (11) short transverse a side and be installed with a pair of first pivotal block (114) towards said hermatic door (2), and the opposite side of the short transverse of doorframe (11) and be installed with pair of locking device (115) towards said hermatic door (2) equally; One side of the short transverse of described hermatic door (2) and be installed with a pair of second pivotal block (22) at position corresponding to said first pivotal block (114); Second pivotal block (22) is through pivot (221) and first pivotal block (114) pivotal connection; Be installed with lock hook (23) at the opposite side of the short transverse of hermatic door (2) and at the position corresponding to said lock (115), lock hook (23) matches with lock (115).
6. the hermatic door structure of vacuum freezing drying oven according to claim 5; It is characterized in that described lock (115) comprises screw bolt seat (1151), screw rod (1152) and lock hook nut (1153); Screw bolt seat (1151) is fixed on the described doorframe (11), and screw rod (1152) is hinged on screw bolt seat (1151), and lock hook nut (1153) is threaded with screw rod (1152); Wherein, screw rod (1152) matches with lock hook (23).
7. the hermatic door structure of vacuum freezing drying oven according to claim 6 is characterized in that described lock hook (23) has a hook groove (231), and described screw rod (1152) matches with hook groove (231).
8. the hermatic door structure of vacuum freezing drying oven according to claim 5 is characterized in that described hermatic door (2) is provided with visor (24).
9. the hermatic door structure of vacuum freezing drying oven according to claim 1 is characterized in that offering seal groove (1111) on the chamber wall in described door chamber (111), is embedded with sealing strip (1112) in the seal groove (1111).
10. the hermatic door structure of vacuum freezing drying oven according to claim 2 is characterized in that the end of described acting cylinder post (311) is installed with a stop pin (3111), and this stop pin (3111) matches with said lock slots (21).
11. the hermatic door structure of vacuum freezing drying oven according to claim 4 is characterized in that the square that is shaped as of described doorframe (11), described hermatic door (2) be shaped as square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105322234A CN101984212B (en) | 2010-11-04 | 2010-11-04 | Seal gate structure for vacuum refrigeration drying case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105322234A CN101984212B (en) | 2010-11-04 | 2010-11-04 | Seal gate structure for vacuum refrigeration drying case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101984212A CN101984212A (en) | 2011-03-09 |
| CN101984212B true CN101984212B (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105322234A Active CN101984212B (en) | 2010-11-04 | 2010-11-04 | Seal gate structure for vacuum refrigeration drying case |
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| Country | Link |
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| CN (1) | CN101984212B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453738A (en) * | 2013-08-28 | 2013-12-18 | 江苏高皓工业炉有限公司 | Drying box |
| CN103452444A (en) * | 2013-08-28 | 2013-12-18 | 江苏高皓工业炉有限公司 | Drying-box door |
| CN104917077A (en) * | 2015-06-26 | 2015-09-16 | 陈开红 | Power distribution box locked by hydraulic pressure |
| CN104901191A (en) * | 2015-06-26 | 2015-09-09 | 慈溪市铸新电器有限公司 | Distribution box locked through air pressure |
| CN104917079A (en) * | 2015-06-26 | 2015-09-16 | 孟玲 | Low-vibration distribution box |
| CN104934879A (en) * | 2015-06-26 | 2015-09-23 | 张健敏 | Hydraulically-driven and frictionally-pressed distribution box |
| CN110487030B (en) * | 2019-07-23 | 2020-11-20 | 北京宏济药业有限公司 | Vacuum freeze drier |
| CN113587562A (en) * | 2021-07-06 | 2021-11-02 | 福州丰诚环保科技有限公司 | Vacuum freeze dryer for recovering metals from new energy batteries |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2678050A1 (en) * | 1991-06-18 | 1992-12-24 | Usifroid | Device for closing a door of a freeze-drying machine |
| CN2416464Y (en) * | 2000-04-11 | 2001-01-24 | 北京天利医药设备有限公司 | Hydraulic door lock mechanism for vacuum freezing dryer |
| CN2811503Y (en) * | 2005-08-24 | 2006-08-30 | 上海东富龙科技有限公司 | Hinge structure on drying box door of freeze drying machine |
| CN2816720Y (en) * | 2005-08-24 | 2006-09-13 | 上海东富龙科技有限公司 | Automatic pressing mechanism for drying box door or freezing dryer |
| CN201835705U (en) * | 2010-11-04 | 2011-05-18 | 常熟市上海飞奥压力容器制造有限公司 | Sealing door structure of vacuum freeze-drying tank |
-
2010
- 2010-11-04 CN CN2010105322234A patent/CN101984212B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2678050A1 (en) * | 1991-06-18 | 1992-12-24 | Usifroid | Device for closing a door of a freeze-drying machine |
| CN2416464Y (en) * | 2000-04-11 | 2001-01-24 | 北京天利医药设备有限公司 | Hydraulic door lock mechanism for vacuum freezing dryer |
| CN2811503Y (en) * | 2005-08-24 | 2006-08-30 | 上海东富龙科技有限公司 | Hinge structure on drying box door of freeze drying machine |
| CN2816720Y (en) * | 2005-08-24 | 2006-09-13 | 上海东富龙科技有限公司 | Automatic pressing mechanism for drying box door or freezing dryer |
| CN201835705U (en) * | 2010-11-04 | 2011-05-18 | 常熟市上海飞奥压力容器制造有限公司 | Sealing door structure of vacuum freeze-drying tank |
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| CN101984212A (en) | 2011-03-09 |
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Address after: The ancient town of Changshou City province 215532 Jiangsu Baimao Industrial Development Zone Patentee after: Changshou City Austrian Pressure Vessel Manufacturing Co., Ltd. Address before: The ancient town of Changshou City province 215532 Jiangsu Baimao Industrial Development Zone Patentee before: Changshu Shanghai Feiao Pressure Container Co., Ltd. |