CN211586650U

CN211586650U - Damp-heat test box

Info

Publication number: CN211586650U
Application number: CN201922490753.6U
Authority: CN
Inventors: 石小凤
Original assignee: Chengdu Electric Appliance Co ltd
Current assignee: Chengdu Electric Appliance Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-29
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a damp and hot test box, including the proof box body, be located the fixed plate of proof box body bottom, proof box body bottom just is close to four edges fixedly connected with shock attenuation portion, the bottom of shock attenuation portion and the top regulation of fixed plate are connected, the shock attenuation portion includes the cylindricality gasbag and is located the damping spring of cylindricality gasbag, the fixed breather pipe that is provided with on the cylindricality gasbag. The utility model discloses in, set up the shock attenuation portion between fixed plate and proof box body, the shock attenuation portion includes the cylindricality gasbag and is located the damping spring of cylindricality gasbag, is provided with the breather pipe on the cylindricality gasbag, and wherein the cylindricality gasbag is made for the rubber material, and inside does not have pressure under the normality, and when the shock attenuation, the swing of proof box body leads to the spring compression, and cylindricality gasbag compression is exhaust, because the breather pipe can reduce the flow of giving vent to anger, and then can greatly reduced damping spring stretch absorbing time, and stability is good.

Description

Damp-heat test box

Technical Field

The utility model relates to a proof box shock attenuation technical field especially relates to a damp and hot proof box.

Background

The test box is a general name of products in the environmental test industry and simulates a natural climate environment in an effective space range, wherein the high-low temperature damp-heat test box adopts a low-temperature control mode that a refrigeration cycle adopts a reverse Carif cycle, the cycle consists of two isothermal processes and two adiabatic processes, and the process comprises the following steps that a refrigerant is adiabatically compressed to a higher pressure by a compressor, work is consumed to increase the exhaust temperature, and then the refrigerant conducts heat exchange with surrounding media isothermally through a condenser to transfer heat to the surrounding media.

Most of the high-low temperature damp-heat test boxes commonly used by people at present are provided with travelling wheels which are convenient for the high-low temperature damp-heat test boxes to move, but the travelling wheels do not have damping mechanisms, so that in actual use, when the high-low temperature damp-heat test boxes are moved by the travelling wheels, but the ground is uneven, the high-low temperature damp-heat test boxes generate strong vibration, electronic devices in the high-low temperature damp-heat test boxes are easily damaged, and the service life of the high-low temperature damp-heat test boxes is influenced; therefore, in order to solve the above problems, patent document CN201721648020.5 discloses a high-low temperature damp-heat test box, which includes a high-low temperature damp-heat test box body, fixing seats are fixedly installed at four corners of the bottom of the high-low temperature damp-heat test box body, a cavity is formed in each fixing seat, a first through hole is formed in the inner wall of the bottom side of each cavity, a fixing rod is slidably installed in each first through hole, two ends of each fixing rod extend out of each through hole, two connecting rods are rotatably installed at the top ends of the fixing rods symmetrically, two sliding grooves are symmetrically formed in the inner wall of the top side of each cavity, sliding blocks are slidably installed in the sliding grooves, the bottoms of the sliding blocks extend out of the sliding grooves, a first groove is formed; however, its absorbing core subassembly is the spring, because the spring itself has the effect of elasticity, when the walking wheel of bottom meets the impact at the in-process of marcing, high low temperature damp and hot test box body or frequent swing, though have absorbing effect, but the long problem of swing time appears easily, and the shock attenuation effect is poor from this, and overall structure is complicated moreover, appears the phenomenon of shock attenuation jamming easily.

Therefore, the utility model provides a damp and hot test box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of poor stability and complex structure caused by the fact that springs are used as substantial damping components in the prior art, the damp-heat test box is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a damp and hot test box, includes the proof box body, is located the fixed plate of proof box body bottom, proof box body bottom just is close to four edges fixedly connected with shock attenuation portion, the bottom of shock attenuation portion and the top regulation of fixed plate are connected, the shock attenuation portion includes the cylindricality gasbag and is located the damping spring of cylindricality gasbag, the fixed breather pipe that is provided with on the cylindricality gasbag.

As a further description of the above technical solution:

and the upper end and the lower end of the cylindrical air bag are fixedly provided with connecting plates, and the connecting plates are connected with the test box body and the fixing plate through flange plates.

As a further description of the above technical solution:

an elastic telescopic rod is fixedly arranged at the center of the top of the fixing plate, and the top of the elastic telescopic rod is connected with the bottom of the test box body in a spherical hinge mode.

As a further description of the above technical solution:

the elastic telescopic rod is composed of a sleeve positioned at the bottom, a tension spring positioned in the sleeve and a sliding rod with one end sleeved in the sleeve.

As a further description of the above technical solution:

the bottom of the fixed plate is connected with a guide wheel through a bolt.

As a further description of the above technical solution:

one end of the vent pipe is connected with a ball valve.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, set up the shock attenuation portion between fixed plate and proof box body, the shock attenuation portion includes the cylindricality gasbag and is located the damping spring of cylindricality gasbag, is provided with the breather pipe on the cylindricality gasbag, and wherein the cylindricality gasbag is made for the rubber material, and inside does not have pressure under the normality, and when the shock attenuation, the swing of proof box body leads to the spring compression, and cylindricality gasbag compression is exhaust, because the breather pipe can reduce the flow of giving vent to anger, and then can greatly reduced damping spring stretch absorbing time, and stability is good.

2. The utility model discloses in, the top central point of fixed plate puts the fixed elasticity telescopic link that is provided with, the top of elasticity telescopic link 4 and the bottom ball pivot of proof box body are connected, the elasticity telescopic link has the sleeve pipe that is located the bottom, be located the intraductal tension spring of sleeve and a pot head and establish the slide bar that overlaps and constitute, the elasticity telescopic link has the effect of fixed proof box body, top and proof box body bottom ball pivot are connected moreover and can be so that proof box body up-and-down motion and arbitrary angle swing, simple structure.

Drawings

Fig. 1 shows a schematic structural diagram of a test box body, a fixing plate and a damping part which are connected according to an embodiment of the invention;

fig. 2 is a schematic structural view showing a sectional view of the shock absorption part and a flange plate provided in accordance with an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of the elastic telescopic rod according to the embodiment of the present invention.

Illustration of the drawings:

1. a test chamber body; 2. a fixing plate; 21. a guide wheel; 3. a shock absorbing part; 31. a cylindrical air bag; 32. a damping spring; 311. a breather pipe; 312. a connecting plate; 4. an elastic telescopic rod; 41. a sleeve; 42. a tension spring; 43. a slide bar; 5. a ball valve; 6. and (4) a flange plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a damp and hot test box, including proof box body 1, be located the fixed plate 2 of proof box body 1 bottom, fixed plate 2 plays the effect that bears proof box body 1, proof box body 1 bottom and be close to four edges and corners fixedly connected with damper 3, damper 3's bottom and fixed plate 2's top regulation are connected, damper 3 includes cylindricality gasbag 31 and the damping spring 32 that is located cylindricality gasbag 31, wherein damping spring 32 plays absorbing effect, cylindricality gasbag 31 is inside not to have atmospheric pressure, play the effect that reduces damping spring 32 rebound time, the fixed breather pipe 311 that is provided with on cylindricality gasbag 31, breather pipe 311 has the flow that the air got into or discharged in the control cylindricality gasbag 31.

Specifically, as shown in fig. 1 and 2, the upper end and the lower end of the cylindrical airbag 31 are fixedly provided with connecting plates 312, the connecting plates 312 are connected with the test box body 1 and the fixing plate 2 through flange plates 6, and the flange plates 6 extrude and mount the connecting plates 312 through bolts, so that the installation is convenient.

Specifically, as shown in fig. 1 and fig. 3, the top center position of fixed plate 2 is fixed and is provided with elastic telescopic rod 4, the top of elastic telescopic rod 4 is connected with the bottom ball pivot of proof box body 1, elastic telescopic rod 4 has sleeve 41 that is located the bottom, tension spring 42 that is located sleeve 41 and a pot head establish the slide bar 43 constitution in sleeve 41, elastic telescopic rod 4 has the effect of fixed proof box body 1, and top and proof box body 1 bottom ball pivot are connected and can be so that proof box body 1 up-and-down motion and arbitrary angle swing, moreover, the steam generator is simple in structure.

Specifically, as shown in fig. 1, the bottom of the fixing plate 2 is connected with a guide wheel 21 through a bolt, and the guide wheel 21 has a simple connecting structure and is convenient to install and manufacture.

Specifically, as shown in fig. 2, one end of the vent pipe 311 is connected to a ball valve 5, which can control the flow rate of the air entering and exiting from the cylindrical air bag 31, and has a buffering and adjusting function.

The working principle is as follows: during the use, after leading wheel 21 when fixed plate 2 bottom received the impact, test box body 1 was because the effect swing of inertial force, damping spring 32 compression or stretch, and the air of cylindricality gasbag 31 was discharged or was got into through breather pipe 311 this moment, and breather pipe 311 bore has the effect that reduces air flow rate for a short time, and then can be with the time of low damping spring 32 resilience for test box body 1 tends to stable state fast.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a damp and hot test box, includes test box body (1), is located fixed plate (2) of test box body (1) bottom, its characterized in that, test box body (1) bottom and be close to four edges fixedly connected with shock attenuation portion (3), the bottom of shock attenuation portion (3) and the top regulation of fixed plate (2) are connected, shock attenuation portion (3) include cylindricality gasbag (31) and be located damping spring (32) of cylindricality gasbag (31), fixed breather pipe (311) that is provided with on cylindricality gasbag (31).

2. The damp-heat test box according to claim 1, wherein connecting plates (312) are fixedly arranged at the upper end and the lower end of the cylindrical air bag (31), and the connecting plates (312) are connected with the test box body (1) and the fixing plate (2) through flange plates (6).

3. The damp-heat test box according to claim 1, wherein an elastic telescopic rod (4) is fixedly arranged at the center of the top of the fixing plate (2), and the top of the elastic telescopic rod (4) is connected with the bottom of the test box body (1) in a spherical hinge mode.

4. A wet heat test chamber according to claim 3, wherein the elastic telescopic rod (4) is composed of a sleeve (41) at the bottom, a tension spring (42) in the sleeve (41), and a slide rod (43) with one end sleeved in the sleeve (41).

5. A wet heat test chamber according to claim 1, wherein the bottom of the fixed plate (2) is bolted with guide wheels (21).

6. A thermal moisture test chamber as claimed in claim 1, wherein a ball valve (5) is connected to one end of the vent tube (311).