CN204511218U - For the door pre-tightening apparatus of small-sized freeze dryer - Google Patents
For the door pre-tightening apparatus of small-sized freeze dryer Download PDFInfo
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- CN204511218U CN204511218U CN201420846287.5U CN201420846287U CN204511218U CN 204511218 U CN204511218 U CN 204511218U CN 201420846287 U CN201420846287 U CN 201420846287U CN 204511218 U CN204511218 U CN 204511218U
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Abstract
The utility model discloses a kind of door pre-tightening apparatus for small-sized freeze dryer, comprise eccentric wheel, pressure handle and in bending-like for fastening the pivoted arm of freeze-drying chamber door, one end and the doorframe of described pivoted arm are hinged, the other end is provided with the first axle, described eccentric wheel is loaded in described first axle, and described pressure handle is connected with described first axle.The door pre-tightening apparatus that the utility model is used for small-sized freeze dryer has the advantage that pretension reliability is strong, structure is simple, compact.
Description
Technical field
The utility model relates to food, medical packaging mechanical field, particularly relates to a kind of door pre-tightening apparatus for small-sized freeze dryer.
Background technology
At present, the similar combining structures such as the small-sized freeze dryer employing inclined-plane on market+have contact with+handle are to chamber door pretension, but the poor reliability of this class formation pretension, generally having contact with all can not self-locking, and the mechanical oscillation produced when freeze dryer runs easily make to have contact with and are inverted to the released position of door, pretension poor reliability, easily cause poor sealing, when vacuumizing, chamber door easily leaks gas, and causing needs repeatedly manual rotation's handle and have contact with in vacuum, compress chamber door, cause vacuumizing efficiency and reduce.
Patent CN201120160842.5 discloses a kind of door pre-tightening apparatus of industrial freeze dryer, and be that handwheel carries out pretension to the gate of freeze drying box, pretension vacuumizes later again, if pretension chamber door will not leak gas when vacuumizing.And small-sized freeze dryer, pilot scale type freeze dryer, prototype version freeze dryer are because own vol is less, the space of installation is restricted, and is difficult to install handwheel.
Patent CN201210508473.3 discloses a kind of distribution box for ship back-pressure padlock hermatic door, comprise pressure handle, eccentric hook, lock, eccentric hook, this similar is in inclined-plane or voussoir wedging, lock is as fixed support, but this structure equally can not self-locking, is having the situation lower seal poor reliability of mechanical oscillation.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provides the door pre-tightening apparatus for small-sized freeze dryer that a kind of pretension reliability is strong, structure is simple, compact.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of door pre-tightening apparatus for small-sized freeze dryer, comprise eccentric wheel, pressure handle and in bending-like for fastening the pivoted arm of freeze-drying chamber door, one end and the doorframe of described pivoted arm are hinged, the other end is provided with the first axle, described eccentric wheel is loaded in described first axle, and described pressure handle is connected with described first axle.
Further improvement as technique scheme:
One end of described pivoted arm is equipped with the second axle, is provided with the second bearing between described second axle and described doorframe.
Be provided with adjustment hole between described pivoted arm and described second axle, described pivoted arm is locked by least one regulating part and described second axle.
Described eccentric wheel is fixedly connected with described first axle, is provided with clutch shaft bearing between described first axle and described pivoted arm.
Described pressure handle is U-shaped.
Described pivoted arm is U-shaped.
Compared with prior art, the utility model has the advantage of:
Door pre-tightening apparatus for small-sized freeze dryer of the present utility model, by pivoted arm and the common pressing door of eccentric wheel and doorframe, self-locking performance is good, not easily reverses, and ensure that the sealing of freeze dryer.Door pre-tightening apparatus for small-sized freeze dryer of the present utility model, structure is simple, compact, and pretension reliability is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is that the B of Fig. 1 is to structural representation.
Structural representation of the present utility model when Fig. 4 is door opening state.
Fig. 5 is the structural representation of the utility model malcompression.
Number in the figure illustrates:
1, pivoted arm; 2, eccentric wheel; 3, pressure handle; 4, doorframe; 5, the first axle; 6, door; 7, securing member; 8, the second axle; 9, the second bearing; 10, adjustment hole; 11, regulating part; 12, clutch shaft bearing; 13, nut.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the utility model is further described.
Fig. 1 to Fig. 5 shows the door pre-tightening apparatus for small-sized freeze dryer of the present utility model, comprises pivoted arm 1, eccentric wheel 2 and pressure handle 3, and pivoted arm 1 is that bending-like is for fastening freeze-drying chamber door.One end and the doorframe 4 of pivoted arm 1 are hinged, and the other end of pivoted arm 1 is equipped with the first axle 5, and eccentric wheel 2 is installed in the first axle 5, and pressure handle 3 is connected with the first axle 5, and pressure handle 3 rotates the first axle 5 and is with movable eccentric wheel 2 to compress or unclamps door 6.When eccentric wheel 2 contacts with door 6, pressing door 6 and doorframe 4; When eccentric wheel 2 rotates and do not contact with door 6, unclamp door 6, be in door opening state.The self-locking performance of eccentric wheel 2 is good, not easily reverses, and ensure that the sealing of freeze dryer.The utility model structure is simple, compact, and pretension reliability is strong.
In the present embodiment, eccentric wheel 2 is fixedly connected with the first axle 5, is provided with clutch shaft bearing 12 between the first axle 5 and pivoted arm 1, and pivoted arm 1 is U-shaped, and pivoted arm 1 can rotate around the first axle 5.
In the present embodiment, pressure handle 3 is U-shaped, and eccentric wheel 2 is positioned in the middle of the first axle 5, and pressure handle 3 is fixed at the two ends of the first axle 5.Eccentric wheel 2 and the first axle 5 are all fixed in the first axle 5 by securing member 7.Securing member 7 can adopt fastening bolt.
In the present embodiment, one end of pivoted arm 1 is equipped with second axle 8, second axle 8 one end and is provided with confined planes, and the other end is locked through pivoted arm 1 nut 13, is provided with the second bearing 9 between the second axle 8 and doorframe 4.Be provided with adjustment hole 10 between pivoted arm 1 and the second axle 8, pivoted arm 1 is locked by least one regulating part 11 and the second axle 8.Regulating part 11 in the present embodiment is adjusting nut, for adjusting the position of pivoted arm 1 relative to doorframe 4.
Door pre-tightening apparatus for small-sized freeze dryer of the present utility model, operating principle is:
As shown in Figure 4, freeze dryer vacuumizes pre-eccentric wheel 2 away from door 6, can not interfere the opening and closing of door 6; Take out at freeze dryer and want vacuum, on closed to door 6 and doorframe 4, pull pressure handle 3 that pivoted arm 1 is turned to below that eccentric wheel 2 is positioned at door 6, now the low plane of eccentric wheel 2 is in the face of the external surface (as shown in Figure 5) of door 6; Apply pressure to pressure handle 3, band movable eccentric wheel 2 rotates 180 °, and make the high plane of eccentric wheel 2 and the exterior surface of door 6 and compress, namely door 6 is pressed in (as shown in Figure 1) on doorframe 4.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not unclamping technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content of not unclamping technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (6)
1. the door pre-tightening apparatus for small-sized freeze dryer, it is characterized in that, comprise eccentric wheel (2), pressure handle (3) and in bending-like for fastening the pivoted arm (1) of freeze-drying chamber door, one end and the doorframe (4) of described pivoted arm (1) are hinged, the other end is provided with the first axle (5), described eccentric wheel (2) is loaded on described first axle (5), and described pressure handle (3) is connected with described first axle (5).
2. the door pre-tightening apparatus for small-sized freeze dryer according to claim 1, is characterized in that, one end of described pivoted arm (1) is equipped with the second axle (8), is provided with the second bearing (9) between described second axle (8) and described doorframe (4).
3. the door pre-tightening apparatus for small-sized freeze dryer according to claim 2, it is characterized in that, be provided with adjustment hole (10) between described pivoted arm (1) and described second axle (8), described pivoted arm (1) is locked by least one regulating part (11) and described second axle (8).
4. the door pre-tightening apparatus for small-sized freeze dryer according to claim 1, is characterized in that, described eccentric wheel (2) is fixedly connected with described first axle (5), is provided with clutch shaft bearing (12) between described first axle (5) and described pivoted arm (1).
5. the door pre-tightening apparatus for small-sized freeze dryer according to any one of Claims 1 to 4, is characterized in that, described pressure handle (3) is U-shaped.
6. the door pre-tightening apparatus for small-sized freeze dryer according to any one of Claims 1 to 4, is characterized in that, described pivoted arm (1) is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846287.5U CN204511218U (en) | 2014-12-29 | 2014-12-29 | For the door pre-tightening apparatus of small-sized freeze dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846287.5U CN204511218U (en) | 2014-12-29 | 2014-12-29 | For the door pre-tightening apparatus of small-sized freeze dryer |
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| Publication Number | Publication Date |
|---|---|
| CN204511218U true CN204511218U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420846287.5U Active CN204511218U (en) | 2014-12-29 | 2014-12-29 | For the door pre-tightening apparatus of small-sized freeze dryer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476739A (en) * | 2017-09-02 | 2017-12-15 | 郑景文 | Intelligent fire is every Yan Men |
| CN107654171A (en) * | 2017-09-02 | 2018-02-02 | 郑景文 | Application method of the intelligent fire every cigarette door |
-
2014
- 2014-12-29 CN CN201420846287.5U patent/CN204511218U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476739A (en) * | 2017-09-02 | 2017-12-15 | 郑景文 | Intelligent fire is every Yan Men |
| CN107654171A (en) * | 2017-09-02 | 2018-02-02 | 郑景文 | Application method of the intelligent fire every cigarette door |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |