CN216956215U - Low-pressure test box switching device and low-pressure test box - Google Patents
Low-pressure test box switching device and low-pressure test box Download PDFInfo
- Publication number
- CN216956215U CN216956215U CN202220323088.0U CN202220323088U CN216956215U CN 216956215 U CN216956215 U CN 216956215U CN 202220323088 U CN202220323088 U CN 202220323088U CN 216956215 U CN216956215 U CN 216956215U
- Authority
- CN
- China
- Prior art keywords
- low
- pressure test
- test box
- adapter
- test chamber
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 238000013016 damping Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- WABPQHHGFIMREM-OIOBTWANSA-N lead-204 Chemical compound [204Pb] WABPQHHGFIMREM-OIOBTWANSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a low-pressure test box switching device and a low-pressure test box, which comprise a test box, wherein one side of the inner wall of the test box is in threaded connection with a switching mechanism, an adjusting mechanism is arranged in the test box, a damping mechanism is fixedly arranged below the outer wall of the test box, and one side of the surface of the test box is provided with a sealing mechanism. This low atmospheric pressure test box switching device and low atmospheric pressure test box, through the outer protective housing, the sealing washer, the adapter, the setting of connecting wire and shield, install the inboard of outer protective housing with the adapter, the round sealing washer bonds at the face that is close to mutually of adapter and outer protective housing simultaneously, then install the inboard at the test box with the outer protective housing, when using, connecting wire through the different models on the adapter connects, and need carry out the inspection time measuring of different instruments, through the adapter of outer protective housing installation difference, can effectually carry out the switching.
Description
Technical Field
The utility model relates to the technical field of test chambers, in particular to a low-pressure test chamber switching device and a low-pressure test chamber.
Background
The low-pressure test box is mainly used in the fields of aviation, aerospace, information, electronics and the like, an instrument and a meter are determined, an electrical product, a material, a part and a device are tested in the environment adaptability and reliability under the single or simultaneous action of low pressure, high temperature and low temperature, and or simultaneously, a test piece is electrified to carry out the measurement of electrical performance parameters, an integral combined structure form is adopted, the test box consists of a heat preservation box body positioned at the front part, a refrigeration unit positioned at the rear part, a vacuum unit and an electrical appliance controller positioned on the gate of the test box, and therefore, a low-pressure test box switching device and a low-pressure test box are needed.
However, when the existing low-pressure test box switching device and the low-pressure test box are used, when the test box detects instruments and meters, the tested instruments need to be connected with equipment on the outer side of the test box, and the adapters of most test boxes can only be connected with a single wire, so that the requirements of a large number of instruments cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-pressure test box adapter device and a low-pressure test box, which are used for solving the problems that when the existing low-pressure test box adapter device and the low-pressure test box provided in the background technology are used and an instrument and a meter are detected by a test box, the detected test instrument needs to be connected with equipment on the outer side of the test box, and adapters of most test boxes can only be connected with a single lead, so that the requirements of a large number of instruments cannot be met.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low atmospheric pressure test case switching device and low atmospheric pressure test case, includes the test case, inner wall one side threaded connection of test case has changeover mechanism, the inside adjustment mechanism that is provided with of test case, the outer wall below fixed mounting of test case has damper, surface one side of test case is provided with sealing mechanism.
Preferably, the switching mechanism comprises an outer protective shell, a sealing ring, an adapter, a connecting wire and a dustproof cover, wherein the outer protective shell is in threaded connection with one side of the inner wall of the test box, the sealing ring is bonded on the surface of the inner wall of the outer protective shell, the adapter is arranged on the inner side of the sealing ring, the connecting wire is arranged at the two ends of the adapter, and the dustproof cover is in threaded connection with one end of the outer protective shell.
Preferably, adjustment mechanism includes first fixed plate, spout, fixed frame, places platform, threaded rod, second fixed plate and fixed orifices, the equal fixed mounting in inner wall both sides of proof box has first fixed plate, the spout has been seted up to surface one side of first fixed plate, the one end of spout is provided with fixed frame, fixed frame one end fixed mounting has places the platform, threaded rod runs through to the one end of fixed frame, inner wall one side of proof box is provided with the second fixed plate, the fixed orifices has been seted up on the surface of second fixed plate.
Preferably, fixed frame passes through the spout and constitutes sliding structure with first fixed plate, fixed frame and fixed orifices threaded connection are run through to the one end of threaded rod, spout and fixed orifices one-to-one.
Preferably, the damping mechanism comprises a bottom column, a limiting plate, a spring, a limiting groove and a base, the bottom column is welded below the outer wall of the test box, the limiting plate is welded at one end of the bottom column, the spring is welded at one end of the limiting plate, the spring is welded on the surface of the limiting groove, and the limiting groove is formed in the base.
Preferably, the size phase-match of spacing groove and spacing board, the limiting plate passes through spring and base constitution extending structure.
Preferably, sealing mechanism includes sealing strip, hinge, steel door and seal groove, the surface bonding of proof box has the sealing strip, one side of proof box is provided with the hinge, one side fixed mounting of hinge has the steel door, the seal groove has been seted up to surface one side of steel door.
Compared with the prior art, the utility model has the beneficial effects that: this low atmospheric pressure test case switching device and low atmospheric pressure test case, through the outer protective housing, the sealing washer, the adapter, the setting of connecting wire and shield, install the inboard of outer protective housing with the adapter, the round sealing washer bonds at the face that is close to mutually of adapter and outer protective housing simultaneously, then install the inboard at the test case with the outer protective housing, when using, connecting wire through the different models on the adapter connects, and need carry out the time measuring of examining of different instruments, through the different adapters of outer protective housing installation, can effectually carry out the switching.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic structural diagram of the adapter mechanism of the present invention;
FIG. 3 is a schematic view of an adjustment mechanism according to the present invention;
fig. 4 is a schematic structural view of the shock absorbing mechanism of the present invention.
In the figure: 1. a test chamber; 2. a transfer mechanism; 201. an outer protective shell; 202. a seal ring; 203. an adapter; 204. connecting a lead; 205. a dust cover; 3. an adjustment mechanism; 301. a first fixing plate; 302. a chute; 303. a fixing frame; 304. a placing table; 305. a threaded rod; 306. a second fixing plate; 307. a fixing hole; 4. a damping mechanism; 401. a bottom pillar; 402. a limiting plate; 403. a spring; 404. a limiting groove; 405. a base; 5. a sealing mechanism; 501. a sealing strip; 502. a hinge; 503. a steel door; 504. sealing the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a low atmospheric pressure test case switching device and low atmospheric pressure test case, includes test case 1, and the threaded connection has changeover mechanism 2 on one side of the inner wall of test case 1, and 1 inside adjustment mechanism 3 that is provided with of test case, the outer wall below fixed mounting of test case 1 has damper 4, and test case 1's surperficial one side is provided with sealing mechanism 5.
Further, the adapter mechanism 2 comprises an outer protective shell 201, a sealing ring 202, an adapter 203, a connecting wire 204 and a dustproof cover 205, one side of the inner wall of the test box 1 is in threaded connection with the outer protective shell 201, the sealing ring 202 is bonded on the surface of the inner wall of the outer protective shell 201, the adapter 203 is arranged on the inner side of the sealing ring 202, the connecting wire 204 is arranged at two ends of the adapter 203, the dustproof cover 205 is in threaded connection with one end of the outer protective shell 201, the adapter 203 is arranged on the inner side of the outer protective shell 201 through the arrangement of the outer protective shell 201, the sealing ring 202 is bonded on the adjacent surface of the adapter 203 and the outer protective shell 201, then the outer protective shell 201 is arranged on the inner side of the test box 1, when in use, the connection is carried out through the connecting wires 204 of different types on the adapter 203, and when detection of different instruments is required, different adapters 203 are installed through the outer protective shell 201, and the adapter can be effectively connected.
Further, the adjusting mechanism 3 comprises a first fixing plate 301, a sliding groove 302, a fixing frame 303, a placing table 304, a threaded rod 305, a second fixing plate 306 and a fixing hole 307, wherein the first fixing plate 301 is fixedly installed on both sides of the inner wall of the test box 1, the sliding groove 302 is formed in one side of the surface of the first fixing plate 301, the fixing frame 303 is arranged at one end of the sliding groove 302, the placing table 304 is fixedly installed at one end of the fixing frame 303, the threaded rod 305 penetrates through one end of the fixing frame 303, the second fixing plate 306 is arranged on one side of the inner wall of the test box 1, the fixing hole 307 is formed in the surface of the second fixing plate 306, the equipment to be detected can be conveniently placed through the first fixing plate 301, the sliding groove 302, the fixing frame 303, the placing table 304, the threaded rod 305, the second fixing plate 306 and the fixing hole 307, when in use, the placing table 304 is fixedly installed on the fixing frame 303, then the fixing frame 303 slides through the sliding grooves 302 at different positions, the threaded rod 305 is then threaded through one end of the fixed frame 303 and into a fixed hole 307 in the second fixed plate 306 to fix the fixed frame 303 while the other end of the fixed frame 303 is supported by the slide groove 302 in the first fixed plate 301.
Further, the fixed frame 303 forms a sliding structure through the sliding groove 302 and the first fixing plate 301, one end of the threaded rod 305 penetrates through the fixed frame 303 and is in threaded connection with the fixing hole 307, the sliding grooves 302 and the fixing holes 307 are in one-to-one correspondence, and the position of the placing table 304 can be adjusted according to the sizes of different devices to be detected through the arrangement of the sliding grooves 302 and the fixing holes 307.
Further, damper 4 includes sill pillar 401, limiting plate 402, spring 403, spacing groove 404 and base 405, the welding of proof box 1 outer wall below has sill pillar 401, the welding of sill pillar 401's one end has limiting plate 402, the welding of limiting plate 402's one end has spring 403, spring 403 welds the surface at spacing groove 404, spacing groove 404 is seted up inside base 405, through sill pillar 401, limiting plate 402, spring 403, the setting of spacing groove 404 and base 405, when proof box 1 uses, sill pillar 401 can extrude spring 403 through limiting plate 402, when producing vibrations, limiting plate 402 stretches out and draws back at the inboard spacing groove 404 of base 405, under the effect of spring 403, can effectual absorption most impact force.
Further, the size phase-match of spacing groove 404 and limiting plate 402, limiting plate 402 pass through spring 403 and base 405 constitution extending structure, through the setting of limiting plate 402 and spacing groove 404, can effectively increase the stability of spring 403 after the atress.
Further, sealing mechanism 5 includes sealing strip 501, hinge 502, steel door 503 and seal groove 504, sealing strip 501 has been bonded on the surface of proof box 1, one side of proof box 1 is provided with hinge 502, one side fixed mounting of hinge 502 has steel door 503, seal groove 504 has been seted up to steel door 503's surperficial one side, through sealing strip 501, hinge 502, steel door 503 and the setting of seal groove 504, when using, when closing steel door 503 through hinge 502, seal groove 504 can be in the same place with sealing strip 501 close laminating, make the junction between steel door 503 and the proof box 1 keep sealed.
The working principle is as follows: firstly, a placing table 304 is fixedly installed on a fixed frame 303, then the fixed frame 303 slides through sliding grooves 302 at different positions, then a threaded rod 305 penetrates through one end of the fixed frame 303 to be in threaded connection with a fixing hole 307 on a second fixing plate 306, the fixed frame 303 is fixed, meanwhile, the other end of the fixed frame 303 is supported by the sliding groove 302 on a first fixing plate 301, then an adapter 203 is installed on the inner side of an outer protective shell 201, a circle of sealing ring 202 is adhered to the adjacent surfaces of the adapter 203 and the outer protective shell 201, then the outer protective shell 201 is installed on the inner side of a test box 1, a device to be tested is connected through a connecting lead 204, when a steel door 503 is closed through a hinge 502, a sealing groove 504 is tightly adhered to a sealing strip 501, so that the connection between the steel door 503 and the test box 1 is kept sealed, and finally when the test box 1 is used, the foundation 401 can extrude spring 403 through limiting plate 402, and when producing vibrations, limiting plate 402 stretches out and draws back in the inboard spacing groove 404 of base 405, under the effect of spring 403, can effectual absorption most impact force, has just so accomplished a low pressure test case switching device and low pressure test case.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a low atmospheric pressure test case switching device and low atmospheric pressure test case, includes proof box (1), its characterized in that: one side of the inner wall of the test box (1) is in threaded connection with a switching mechanism (2), an adjusting mechanism (3) is arranged inside the test box (1), a damping mechanism (4) is fixedly mounted below the outer wall of the test box (1), and a sealing mechanism (5) is arranged on one side of the surface of the test box (1).
2. The low-pressure test chamber adapter device and the low-pressure test chamber according to claim 1, wherein the adapter mechanism (2) comprises an outer protective shell (201), a sealing ring (202), an adapter (203), a connecting wire (204) and a dust cover (205), the outer protective shell (201) is connected to one side of the inner wall of the test chamber (1) through threads, the sealing ring (202) is bonded to the surface of the inner wall of the outer protective shell (201), the adapter (203) is arranged on the inner side of the sealing ring (202), the connecting wire (204) is arranged at each of two ends of the adapter (203), and the dust cover (205) is connected to one end of the outer protective shell (201) through threads.
3. The device of claim 1, wherein the device comprises a first chamber and a second chamber, characterized in that the adjusting mechanism (3) comprises a first fixing plate (301), a sliding chute (302), a fixing frame (303), a placing table (304), a threaded rod (305), a second fixing plate (306) and a fixing hole (307), the two sides of the inner wall of the test box (1) are fixedly provided with first fixing plates (301), a sliding groove (302) is formed in one side of the surface of the first fixing plate (301), a fixing frame (303) is arranged at one end of the sliding groove (302), a placing table (304) is fixedly arranged at one end of the fixed frame (303), a threaded rod (305) penetrates through one end of the fixed frame (303), a second fixing plate (306) is arranged on one side of the inner wall of the test box (1), and a fixing hole (307) is formed in the surface of the second fixing plate (306).
4. The device for adapting a low pressure test chamber and the low pressure test chamber as claimed in claim 3, wherein the fixing frame (303) forms a sliding structure through the sliding groove (302) and the first fixing plate (301), one end of the threaded rod (305) penetrates through the fixing frame (303) and is in threaded connection with the fixing hole (307), and the sliding groove (302) and the fixing hole (307) are in one-to-one correspondence.
5. The low-pressure test chamber adapter device and the low-pressure test chamber according to claim 1, wherein the damping mechanism (4) comprises a bottom column (401), a limiting plate (402), a spring (403), a limiting groove (404) and a base (405), the bottom column (401) is welded below the outer wall of the test chamber (1), the limiting plate (402) is welded at one end of the bottom column (401), the spring (403) is welded at one end of the limiting plate (402), the spring (403) is welded on the surface of the limiting groove (404), and the limiting groove (404) is formed inside the base (405).
6. The device for adapting the low pressure test chamber and the low pressure test chamber according to claim 5, wherein the size of the limiting groove (404) is matched with that of the limiting plate (402), and the limiting plate (402) forms a telescopic structure through the spring (403) and the base (405).
7. The low-pressure test chamber adapter device and the low-pressure test chamber according to claim 1, wherein the sealing mechanism (5) comprises a sealing strip (501), a hinge (502), a steel door (503) and a sealing groove (504), the sealing strip (501) is bonded to the surface of the test chamber (1), the hinge (502) is arranged on one side of the test chamber (1), the steel door (503) is fixedly mounted on one side of the hinge (502), and the sealing groove (504) is formed in one side of the surface of the steel door (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220323088.0U CN216956215U (en) | 2022-02-17 | 2022-02-17 | Low-pressure test box switching device and low-pressure test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220323088.0U CN216956215U (en) | 2022-02-17 | 2022-02-17 | Low-pressure test box switching device and low-pressure test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216956215U true CN216956215U (en) | 2022-07-12 |
Family
ID=82291418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220323088.0U Expired - Fee Related CN216956215U (en) | 2022-02-17 | 2022-02-17 | Low-pressure test box switching device and low-pressure test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216956215U (en) |
-
2022
- 2022-02-17 CN CN202220323088.0U patent/CN216956215U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216956215U (en) | Low-pressure test box switching device and low-pressure test box | |
| CN106018987A (en) | Space charge testing system and method | |
| CN206161772U (en) | Cable fault test system | |
| CN209296266U (en) | A kind of New LED vibration-testing tooling | |
| CN216433051U (en) | Automatic reading device of humiture verification case | |
| CN215681439U (en) | Indoor distribution box | |
| CN105606293B (en) | Mine-used I. S pressure detecting instrument | |
| CN214583812U (en) | Train pipe pressure detection sensor box | |
| CN205336537U (en) | Multilayer can dispose acoustics shielded cell | |
| CN212963500U (en) | Electromagnetic flowmeter with anti-interference structure | |
| CN210243112U (en) | Automobile parts gas tightness detection device | |
| CN209676698U (en) | A kind of Beidou Navigation of Pilotless Aircraft positioning device | |
| CN211955684U (en) | Door body of high-temperature aging test box | |
| CN207123504U (en) | A kind of detection means that humid test is protected for construction material | |
| CN205691199U (en) | High accuracy number liquidometer | |
| CN105554675A (en) | Multilayer configurable acoustic shielding box | |
| CN110864497A (en) | Cooling system and method for heating sealing ring in front box bearing hole of transmission | |
| CN216411530U (en) | Test device for measuring corona leakage current | |
| CN213986754U (en) | Multifunctional electronic load instrument | |
| CN219657104U (en) | Special vacuum cover device for adjustable helium inspection | |
| CN210401672U (en) | Wide-range gamma radiation detector integrating end window type GM tube and cylindrical GM tube | |
| CN211429907U (en) | Multiple flexible electromagnetic shielding device | |
| CN205374064U (en) | Test device compound with weather sway | |
| CN219555311U (en) | 5G signal test shielding box of transformer substation | |
| CN205691197U (en) | Digital level indicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220712 |