CN207153724U - Combined low temperature low air pressure testing chamber - Google Patents
Combined low temperature low air pressure testing chamber Download PDFInfo
- Publication number
- CN207153724U CN207153724U CN201721179115.7U CN201721179115U CN207153724U CN 207153724 U CN207153724 U CN 207153724U CN 201721179115 U CN201721179115 U CN 201721179115U CN 207153724 U CN207153724 U CN 207153724U
- Authority
- CN
- China
- Prior art keywords
- box body
- shell
- inner shell
- air pressure
- cabinet shell
- 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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Abstract
The utility model discloses a kind of combined low temperature low air pressure testing chamber, including cabinet shell and inner shell of a box body, integrated setting has threaded post on the outer surface of the inner shell of a box body, the top of the threaded post is fixed on cabinet shell by nut, the thermometer and pressure gauge for being communicated in inner shell of a box body are installed at the top of the cabinet shell, condenser pipe is fixed with the inwall of the inner shell of a box body, aspiration channel is additionally provided with the side wall of the inner shell of a box body.The utility model is by support block to being supported between cabinet shell and inner shell of a box body, ensure to keep being parallel to each other between cabinet shell and inner shell of a box body, advantageously allow stress equalization on inner shell of a box body, active force relative distribution that can on nut by fixed plate is acted on cabinet shell, the active force mistake on the nut in a certain threaded post is avoided, is deformed upon so as to avoid cabinet shell or inner shell of a box body.
Description
Technical field
The utility model belongs to chamber technical field, and in particular to a kind of combined low temperature low air pressure testing chamber.
Background technology
Combined low temperature low air pressure testing chamber is a kind of conventional equipment in the laboratories such as chemistry, physics, biology, quick with industry
Development., it is necessary to be vacuumized to the inside of casing in the chamber course of work.But existing body structure is simple, and
Use single layer structure more, cause when maintaining vacuum state, casing easily deforms, and then influences the air-tightness of casing, makes
It is uneven into vacuum rate of change, influence result of the test.
Utility model content
The purpose of this utility model is to provide a kind of combined low temperature low air pressure testing chamber, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of combined low temperature low air pressure testing chamber, including case
Body case and inner shell of a box body, integrated setting has threaded post on the outer surface of the inner shell of a box body, and the top of the threaded post leads to
Cross nut to be fixed on cabinet shell, the thermometer and pressure gauge for being communicated in inner shell of a box body be installed at the top of the cabinet shell,
Condenser pipe is fixed with the inwall of the inner shell of a box body, aspiration channel is additionally provided with the side wall of the inner shell of a box body.
Preferably, support block is socketed with the threaded post, the support block is between cabinet shell and inner shell of a box body.
Preferably, fixed plate is socketed between on the cabinet shell at the top of the threaded post of same side, it is described solid
Fixed board is located at the inner side of nut.
Preferably, the condenser pipe is distributed on the inwall of inner shell of a box body in the shape of a spiral, and the condensate liquid of the condenser pipe enters
Mouth and condensate outlet are connected on external refrigeration machine.
Preferably, the aspiration channel is connected to external vacuum pump, and the aspiration channel is provided with check valve.
Preferably, each side of the cabinet shell is made up of independent sheet material, the cabinet shell and inner shell of a box body
Front be rotatably connected to side door, be equipped with observation window on the side door.
Technique effect of the present utility model and advantage：By support block to being propped up between cabinet shell and inner shell of a box body
Support, ensure to keep being parallel to each other between cabinet shell and inner shell of a box body, advantageously allow stress equalization on inner shell of a box body, by solid
Fixed board can cause the acting on cabinet shell of the active force relative distribution on nut, avoid on the nut in a certain threaded post
Active force mistake, deformed upon so as to avoid cabinet shell or inner shell of a box body.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is internal structure schematic diagram of the present utility model；
Fig. 3 is mplifying structure schematic diagram at A in Fig. 2 of the present utility model.
In figure：1 cabinet shell, 2 side doors, 3 observation windows, 4 fixed plates, 5 threaded posts, 6 thermometers, 7 pressure gauges, in 8 casings
Shell, 9 condensate liquid imports, 10 condensate outlets, 11 aspiration channels, 12 condenser pipes, 13 support blocks, 14 nuts, 15 check valves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As Figure 1-3, a kind of combined low temperature low air pressure testing chamber, including cabinet shell 1 and inner shell of a box body 8, in the casing
Integrated setting has threaded post 5 on the outer surface of shell 8, and the top of the threaded post 5 is fixed on cabinet shell 1 by nut 14
On, the top of the cabinet shell 1 is provided with the thermometer 6 and pressure gauge 7 for being communicated in inner shell of a box body 8, the inner shell of a box body 8 it is interior
Condenser pipe 12 is fixed with wall, aspiration channel 11 is additionally provided with the side wall of the inner shell of a box body 8.
Support block 13 is socketed with the threaded post 5, the support block 13 between cabinet shell 1 and inner shell of a box body 8,
By support block 13 to being supported between cabinet shell 1 and inner shell of a box body 8, it can effectively ensure cabinet shell 1 and casing
Between inner casing 8 keep be parallel to each other, advantageously allow stress equalization on inner shell of a box body 8, avoid the internal stress of inner shell of a box body 8 increase and
Cause to deform upon.
On the cabinet shell 1 fixed plate 4, the fixed plate 4 are socketed between the top of threaded post 5 of same side
Positioned at the inner side of nut 14, active force relative distribution that can on nut 14 by fixed plate 4 acts on cabinet shell 1
On, avoid the active force on the nut 14 in a certain threaded post 5 is excessive from causing cabinet shell 1 or inner shell of a box body 8 to deform upon.
The condenser pipe 12 is distributed on the inwall of inner shell of a box body 8 in the shape of a spiral, the condensate liquid import 9 of the condenser pipe 12
It is connected to condensate outlet 10 on external refrigeration machine, condenser pipe 12 is flowed through by condensate liquid, condensate liquid can be increased and existed
Residence time in inner shell of a box body 8, and helical structure balanced can be distributed on the inwall of inner shell of a box body 8, is advantageous to maintain case
The equilibrium condition of the permanent low temperature in the internal inside of shell 8, it is ensured that the temperature in inner shell of a box body 8 is identical everywhere.
The aspiration channel 11 is connected to external vacuum pump, and the aspiration channel 11 is provided with check valve 15, passes through check valve 15
Extraneous air can be avoided to enter by aspiration channel 11 in inner shell of a box body 8, guarantee test condition is unaffected.
Each side of the cabinet shell 1 is made up of independent sheet material, is advantageous to assemble, easy to operate, the casing
The front of shell 1 and inner shell of a box body 8 is rotatably connected to side door 2, is equipped with observation window 3 on the side door 2, observation window uses
Double-deck safety glass, facilitate look at and change is tested in inner shell of a box body 8, learn result of the test in time.
Specifically, in use, the sheet material for forming cabinet shell 1 is fixed on inner shell of a box body 8 by threaded post 5 and nut 14
On, by support block 13 to being supported between cabinet shell 1 and inner shell of a box body 8, ensure cabinet shell 1 and inner shell of a box body 8 it
Between keep being parallel to each other, advantageously allow stress equalization on inner shell of a box body 8, work that can be on nut 14 by fixed plate 4
Firmly relative distribution is acted on cabinet shell 1, avoids the active force mistake on the nut 14 in a certain threaded post 5, so as to keep away
Cabinet shell 1 is exempted from or inner shell of a box body 8 deforms upon.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of combined low temperature low air pressure testing chamber, including cabinet shell (1) and inner shell of a box body (8), it is characterised in that：In the casing
Integrated setting has threaded post (5) on the outer surface of shell (8), and the top of the threaded post (5) is fixed on case by nut (14)
In body case (1), the thermometer (6) and pressure gauge (7) for being communicated in inner shell of a box body (8) are installed at the top of the cabinet shell (1),
Condenser pipe (12) is fixed with the inwall of the inner shell of a box body (8), aspiration channel is additionally provided with the side wall of the inner shell of a box body (8)
(11)。
A kind of 2. combined low temperature low air pressure testing chamber according to claim 1, it is characterised in that：It is socketed on the threaded post (5)
There is support block (13), the support block (13) is located between cabinet shell (1) and inner shell of a box body (8).
A kind of 3. combined low temperature low air pressure testing chamber according to claim 1, it is characterised in that：The cabinet shell (1) is upper
Fixed plate (4) is socketed between threaded post (5) top of same side, the fixed plate (4) is located at the inner side of nut (14).
A kind of 4. combined low temperature low air pressure testing chamber according to claim 1, it is characterised in that：The condenser pipe (12) is helically
Shape is distributed on the inwall of inner shell of a box body (8), and the condensate liquid import (9) of the condenser pipe (12) and condensate outlet (10) are respectively
It is connected on external refrigeration machine.
A kind of 5. combined low temperature low air pressure testing chamber according to claim 1, it is characterised in that：The aspiration channel (11) is connected to
External vacuum pump, the aspiration channel (11) are provided with check valve (15).
A kind of 6. combined low temperature low air pressure testing chamber according to claim 1, it is characterised in that：The cabinet shell (1) it is each
Individual side is made up of independent sheet material, and the front of the cabinet shell (1) and inner shell of a box body (8) is rotatably connected to side door (2),
Observation window (3) is equipped with the side door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721179115.7U CN207153724U (en) | 2017-09-14 | 2017-09-14 | Combined low temperature low air pressure testing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721179115.7U CN207153724U (en) | 2017-09-14 | 2017-09-14 | Combined low temperature low air pressure testing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207153724U true CN207153724U (en) | 2018-03-30 |
Family
ID=61721949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721179115.7U Expired - Fee Related CN207153724U (en) | 2017-09-14 | 2017-09-14 | Combined low temperature low air pressure testing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207153724U (en) |
-
2017
- 2017-09-14 CN CN201721179115.7U patent/CN207153724U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20190914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |