CN112858148A

CN112858148A - Two-box type temperature impact test box

Info

Publication number: CN112858148A
Application number: CN202011636633.3A
Authority: CN
Inventors: 许斌; 张�杰; 方亚; 谢绍军; 汪洋; 蓝伟
Original assignee: Chongqing Artest Can Science And Technology Co ltd
Current assignee: Chongqing Artest Can Science And Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28
Anticipated expiration: 2040-12-31
Also published as: CN112858148B

Abstract

The invention belongs to the technical field of detection equipment, and particularly relates to a two-box type temperature impact test box which comprises a high-temperature box, a low-temperature box, a test basket, a transmission system and a channel, wherein the test basket is provided with an upper insulation board and a lower insulation board, four slide rails are connected between the upper insulation board and the lower insulation board, a plurality of insulation boards are rotatably connected between two adjacent slide rails, a plurality of insulation boards are fixedly connected with gears, straight teeth are arranged on two sides of each gear, the gears and the straight teeth are positioned in the slide rails, the side surface of the upper part of any straight tooth penetrates through the slide rail and is connected with a first compression ring, the side surface of the lower part of the other straight tooth penetrates through the slide rail and is connected with a second compression ring, a tray frame is slidably connected in the middle of the lower insulation board, and the tray frame and the lower insulation board are detachably and fixedly connected, the temperature change of the sample in the lifting process is reduced, and the precision of the test data is improved.

Description

Two-box type temperature impact test box

Technical Field

The invention belongs to the technical field of detection equipment, and particularly relates to a two-box type temperature impact test box.

Background

The high-low temperature impact test box can be used for testing the degree of the material or the composite material which can be endured under the continuous environment of extremely high temperature and extremely low temperature instantly, and testing the chemical change or physical damage caused by expansion with heat and contraction with cold in the shortest time. The test object can also be electronic and electric appliance parts, automatic parts, communication components, electronic chips, automobile accessories, PCB substrates, metal, chemical materials, high polymer materials, plastic cement and the like. The high-low temperature impact test box is widely applied to the fields of national defense industry, aviation industry, household appliance industry and the like.

In the prior art, the high-low temperature impact test box has many types and styles, including two box type temperature impact test boxes, where the two box type temperature impact test boxes include a high temperature box, a low temperature box and a test basket moving relatively, a sample is placed in the test basket, the sample rack is pulled from a low temperature region (low temperature box) to a high temperature region (high temperature box) in the whole box body, and then is lowered from the high temperature region to the low temperature region for high temperature and low temperature impact, the two sides of the test basket are respectively provided with a sealing strip, after the test basket is switched into a corresponding temperature box body through a transmission system, the sealing strip and the box body are matched to seal and isolate the test basket from another temperature box body, so as to avoid temperature exchange between the two box bodies, and the two box type temperature impact test boxes can rapidly raise or lower the temperature of the sample, thereby forming more strict test conditions and causing more violent temperature impact, the test basket is in the period that removes, because intercommunication each other between two boxes, the sample of test basket inside just begins the change that does not stop from removing, has directly prolonged the sample and has received the time of temperature impact, has alleviateed the intensity of temperature impact, can influence test data, therefore how to reduce the temperature change of sample in the lift in-process becomes in order to improve the key of measuring accuracy.

Disclosure of Invention

The purpose of the invention is: the two-box type temperature impact test box is characterized in that the test basket can keep the temperature of a sample in the lifting process until the sample completely enters another temperature box body and then is completely opened, so that the temperature change of the sample in the lifting process is reduced, the precision of test data is improved, the structure is simple, extra power is not needed, and the cost is saved.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a two-box type temperature impact test box comprises a high temperature box, a low temperature box, a test basket and a transmission system, wherein the transmission system penetrates through the high temperature box and is connected with the test basket, a channel matched with the test basket is arranged between the high temperature box and the low temperature box, the test basket is provided with an upper insulation board and a lower insulation board, a circle of insulation gasket is arranged on the lower side of the upper insulation board and the upper side of the lower insulation board, four sliding rails attached to the channel are fixedly connected between the upper insulation board and the lower insulation board, a plurality of insulation boards are rotatably connected between two adjacent sliding rails and are vertically and uniformly distributed, one end of each insulation board is rotatably connected with one sliding rail, the other end of each insulation board is rotatably connected with a rotating shaft, a plurality of rotating shafts are fixedly connected with gears, the gears are positioned inside the other sliding rail, straight teeth are arranged on two sides, and with slide rail relative slip, arbitrary in the slide rail straight-tooth upper portion side is equipped with first connecting piece, first connecting piece all runs through this slide rail and is connected with first clamping ring, it is equipped with a plurality of first shell fragments to go up between heated board and the first clamping ring, another straight-tooth lower part side in the slide rail is equipped with the second connecting piece, the second connecting piece all runs through this slide rail and is connected with the second clamping ring, be equipped with a plurality of second shell fragments down between heated board and the second clamping ring, first clamping ring and second clamping ring all wrap up four slide rails, sliding connection has the tray frame in the middle of the heated board down, fixed connection can be dismantled between tray frame and the lower heated board.

By adopting the technical scheme of the invention, the heat insulation sealing gaskets are respectively arranged on the lower side of the upper heat insulation plate and the upper side of the lower heat insulation plate, so that when the test basket moves to the uppermost side or the lowermost side through the transmission system, the heat insulation sealing gaskets are tightly contacted and sealed with the wall of the high-temperature box or the low-temperature box, the temperature exchange between the high-temperature box and the low-temperature box is prevented, and the first pressing ring and the second pressing ring are both positioned in the ring of the heat insulation sealing gaskets; the first connecting piece penetrates through the sliding rail and is connected with a first pressing ring, a first sliding groove matched with the first connecting piece is formed in the upper side of the sliding rail and is convenient for the first connecting piece to move, the second connecting piece penetrates through the sliding rail and is connected with a second pressing ring, a second sliding groove matched with the second connecting piece is formed in the lower side of the sliding rail and is convenient for the second connecting piece to move; the four sliding rails are wrapped by the first pressing ring and the second pressing ring, so that the first pressing ring can be ensured to be in contact with the lower surface of the high-temperature box, and the upper surface of the second pressing ring is ensured to be in contact with the upper surface of the high-temperature box; the tray frame is detachably and fixedly connected with the lower heat-insulation plate, so that a sample can be conveniently installed on the tray frame and can be conveniently slid into the test basket from the lower side of the lower heat-insulation plate, and the sample can be conveniently placed; the slide rail can guide the test basket to slide along the channel, so that the test basket moves stably; one end of the heat insulation plate is rotatably connected with one sliding rail, and the other end of the heat insulation plate is rotatably connected with the rotating shaft, so that the heat insulation plate can rotate relatively; the gear is fixedly connected with the rotating shaft, so that the gear, the rotating shaft and the heat insulation plate can synchronously rotate, straight teeth are arranged on two sides of the gear, so that any straight tooth can control the gear to rotate, and at least one of the straight teeth or the gear can be provided with a limiting tooth, so that the rotation range of the heat insulation plate can only rotate between the horizontal direction and the vertical direction, and the stability of the structure is improved; the upper side of one straight tooth in the same slide rail is sequentially connected with a first connecting piece, a first pressing ring and a first elastic sheet, so that when an upper insulation board is contacted with a high-temperature box, the rotation of the insulation board is controlled through the movement of the first pressing ring; the method comprises the following specific steps:

when the test basket is located at any position in a moving state, the first elastic sheet and the second elastic sheet are both in a relaxation state, so that the first pressing ring is far away from the upper heat-insulation plate, the second pressing ring is far away from the lower heat-insulation plate, one straight tooth in the four slide rails is fixed by the first pressing ring through the four first connecting pieces, and similarly, the other straight tooth in the four slide rails is fixed by the second pressing ring through the four second connecting pieces, so that the gears are relatively fixed under the common action of the two straight teeth, so that the rotating shaft and the heat-insulation plate are relatively fixed, and in this state, the heat-insulation plates are vertically arranged in sequence to form a heat-insulation wall, so that heat insulation and temperature isolation are performed on samples in the;

when the test basket is positioned at the uppermost end, the lower heat-insulation plate is tightly attached to the upper wall of the low-temperature box, a sealing and heat-insulation effect is achieved between the lower heat-insulation plate positioned on the heat-insulation sealing gasket and the low-temperature box, meanwhile, the upper wall of the low-temperature box presses a second compression ring, a second elastic sheet is compressed, the second compression ring moves downwards to be close to the lower heat-insulation plate, the second compression ring drives one straight tooth of four sliding rails to move downwards through four second connecting pieces, the straight tooth moves downwards to drive a gear to rotate, a rotating shaft and the heat-insulation plate rotate along with the gear, the heat-insulation plate rotates to be horizontally arranged at the moment, the test basket is opened, a sample in a tray frame is fully contacted with high-temperature gas in the high-temperature box, a temperature impact effect is achieved, meanwhile, due to the rotation of; in a similar way, when the testing basket is positioned at the lowest end, the testing basket is opened, and a sample in the tray frame is fully contacted with the low-temperature gas in the low-temperature box to play a role of temperature shock;

thus, after the test basket is heated in the high-temperature box, the transmission system is started to drive the test basket to move downwards, the first elastic sheet and the second elastic sheet simultaneously rebound to a relaxation state, so that the heat insulation plates are sequentially and vertically arranged to form a heat insulation wall, heat insulation and temperature isolation are carried out on a sample in the tray frame, the heat insulation plates do not conduct heat due to the absence of convection of hot air, the temperature of the sample is temporarily kept within a few seconds of movement, when the test basket moves to the lowest end, the upper heat insulation plate, the heat insulation sealing gasket and the high-temperature box are close to seal and insulate heat, the test basket is opened through the action of the first pressing ring, the first connecting piece and the straight teeth and the gears in the sliding rail, and the sample in the tray frame is fully contacted with low-temperature gas in the low-temperature box to play; the same principle is also adopted when the test basket moves from the low-temperature box to the high-temperature box; like this, because the sample can keep warm to the sample at the lift in-process test basket, open again after the sample enters into another temperature box completely, the sample is wrapped up by the air of primary temperature in the removal of short time, has reduced the temperature variation of sample at the lift in-process, improves the precision of test data to simple structure does not need extra power, practices thrift the cost.

Further inject, the heat insulating board includes thermal-insulated main part, thermal-insulated main part outside parcel has thermal-insulated cushion, thermal-insulated main part both ends fixedly connected with rotates the connecting piece, one end the rotation connecting piece and the pivot fixed connection of thermal-insulated main part, the other end the rotation connecting piece and the slide rail of thermal-insulated main part rotate to be connected. Such structure not only strengthens the thermal-insulated effect of heat insulating board, and thermal-insulated cushion also can reduce the clearance between two heat insulating boards moreover, promotes thermal-insulated effect, and sets up and rotate the connecting piece and be convenient for connect fixedly.

Further limit, the rotation connecting piece is fixedly connected with the side face of the heat insulation main body, and the cross section of the heat insulation main body is a parallelogram. Such structure rotates connecting piece and thermal-insulated main part side fixed connection, has reduced the clearance between thermal-insulated main part and the slide rail, can the thermal-insulated effect of effectual reinforcing heat insulating board, and thermal-insulated main part cross section is parallelogram, and when a plurality of thermal-insulated main parts were vertically arranged, the thermal-insulated cushion of hypotenuse can contact each other and fill up the clearance, also can the thermal-insulated effect of effectual reinforcing heat insulating board.

Further defined, the outer surface of the slide rail is coated with a thermal insulation coating. Such structure can reduce the heat transfer of slide rail, promotes the thermal-insulated effect in the test basket.

Further inject, the inside fixedly connected with installed part of slide rail, the installed part cross section is the concave type, pivot and straight-tooth all with installed part assembled connection. Such structure, through setting up the installed part, be convenient for with pivot and straight-tooth fixed mounting in advance, promote installation progress and production efficiency.

Further define, the installed part is equipped with the recess with pivot assorted. With the structure, the groove is arranged to prevent the rotating shaft from being interfered by the sliding rail.

Further inject, the installed part upside is equipped with the first breach with first connecting piece assorted, the installed part downside is equipped with the second breach with second connecting piece assorted. With such a structure, the installation of the first connecting piece and the second connecting piece is facilitated.

Further inject, the heated board is equipped with down with tray frame assorted step groove, tray frame includes thermal baffle and tray support, thermal baffle shape and step groove phase-match, tray support upper end be equipped with step groove assorted blend stop, step groove step face is equipped with the sealing strip. Such structure, the cooperation of step groove and thermal-insulated baffle can be better sealed thermal-insulated, and the tray support can not only install fixed sample, also can slide by the relative step groove cell wall simultaneously, and the outer wall of tray support is embedded to have the friction pad, can slow down the speed of weighing down of tray support, and the blend stop is used for spacing preventing tray support roll-off step groove.

Further inject, step inslot wall symmetry is equipped with two spring bolt holes, thermal baffle downside symmetry is equipped with two spring bolt subassemblies. Such structure, simple structure is convenient for can dismantle with heated board and tray frame down and fix.

Further inject, the tray frame be equipped with spring bolt assembly assorted locked groove, spring bolt assembly includes dog, spring bolt, handle and spring, dog and locked groove fixed connection, the spring bolt runs through the dog, just relative sliding connection between spring bolt and the dog, handle and spring bolt middle part fixed connection, spring bolt afterbody and spring coupling, the locked groove side be equipped with spring assorted spring groove. Such structure through the pulling handle, can dismantle down heated board and tray frame and open, and the spring is used for the auto-lock for spring bolt subassembly stable in structure, spring bolt tip are equipped with the inclined plane, conveniently lock the spring bolt in the spring bolt hole.

Compared with the prior art, the invention has the following beneficial effects:

1. the test basket can keep the temperature of the sample under the action of the heat insulation wall formed by the heat insulation plate in the lifting process of the sample, the sample is completely opened until the sample completely enters another temperature box body, and the sample is wrapped by air at the original temperature in the movement of a short time, so that the temperature change of the sample in the lifting process is reduced, and the precision of test data is improved;

2. the horizontal and vertical states of the heat insulation plate are changed, and the heat insulation plate is triggered by the first pressing ring and the high-temperature box wall or the second pressing ring and the low-temperature box wall, so that the structure is simple, extra power is not needed, the cost is saved, and the energy is saved and the environment is protected;

3. the heat insulation plate comprises a heat insulation main body, a heat insulation cushion wraps the heat insulation main body, the rotary connecting piece is fixedly connected with the side face of the heat insulation main body, the cross section of the heat insulation main body is a parallelogram, and the heat insulation effect of the heat insulation plate can be effectively enhanced;

4. the straight teeth and the gears are positioned in the slide rail, so that the appearance is neat;

5. the installation part is arranged, so that the rotating shaft and the straight teeth can be fixedly installed in advance, and the installation progress and the production efficiency are improved;

6. the middle of the lower heat-insulation plate is connected with a tray frame in a sliding manner, and the tray frame and the lower heat-insulation plate are detachably and fixedly connected, so that the structure is simple, and a sample is convenient to mount;

drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural diagram of an embodiment of a two-chamber temperature impact test chamber according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a test basket of an embodiment of a two-box type temperature impact test box of the present invention, wherein a thermal insulation board is in a horizontal state;

FIG. 4 is a schematic structural diagram of a second testing basket of an embodiment of the two-box type temperature impact testing box of the invention, wherein the heat insulation plate is in a horizontal state;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is an enlarged view of the structure at C in FIG. 4;

FIG. 7 is a third schematic structural view of a test basket of an embodiment of a two-box temperature impact test box of the present invention, with a thermal insulation board in a vertical state;

FIG. 8 is an enlarged view of the structure at D in FIG. 7;

FIG. 9 is a schematic structural diagram of a slide rail of an embodiment of a two-chamber temperature impact test chamber according to the present invention;

FIG. 10 is an enlarged view of the structure at E in FIG. 9;

FIG. 11 is a first schematic view of the internal assembly structure of the mounting member of an embodiment of the two-chamber temperature impact test chamber of the present invention;

FIG. 12 is a second schematic view of the internal assembly structure of the mounting member of the two-chamber temperature impact test chamber according to the embodiment of the present invention;

FIG. 13 is a schematic diagram of a partial cross-sectional structure of a tray frame and a lower insulation board of an embodiment of a two-box type temperature impact test box according to the invention;

FIG. 14 is a schematic cross-sectional view of a heat shield of an embodiment of a two-box temperature impact test box of the present invention;

the main element symbols are as follows:

the high-temperature box 1, the low-temperature box 2, the test basket 3, the upper heat-insulation board 31, the lower heat-insulation board 32, the second elastic sheet 321, the step groove 324, the latch hole 3241, the slide rail 33, the first slide groove 331, the second slide groove 332, the heat-insulation gasket 34, the mounting piece 35, the groove 351, the first notch 352, the second notch 353, the heat-insulation board 4, the heat-insulation main body 41, the heat-insulation cushion 42, the rotating connecting piece 43, the rotating shaft 51, the gear 52, the straight tooth 53, the first connecting piece 531, the second connecting piece 532, the limiting tooth 533, the first press ring 61, the second press ring 62, the stopper 71, the latch 72, the handle 73, the spring 74, the lock groove 75, the spring groove 751, the heat-insulation baffle 81, the tray support.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-12, the two-box type temperature impact test box of the invention comprises a high temperature box 1, a low temperature box 2, a test basket 3 and a transmission system, wherein the transmission system penetrates through the high temperature box 1 and is connected with the test basket 3, a channel matched with the test basket 3 is arranged between the high temperature box 1 and the low temperature box 2, the test basket 3 is provided with an upper insulation board 31 and a lower insulation board 32, a circle of insulation gasket 34 is respectively arranged at the lower side of the upper insulation board 31 and the upper side of the lower insulation board 32, four slide rails 33 jointed with the channel are fixedly connected between the upper insulation board 31 and the lower insulation board 32, a plurality of insulation boards 4 are rotatably connected between two adjacent slide rails 33, the plurality of insulation boards 4 are vertically and uniformly distributed, one end of each slide rail 33 is rotatably connected with one slide rail 4, the other end of each insulation board 4 is rotatably connected with a rotating, gear 52 both sides all are equipped with straight-tooth 53, two straight-tooth 53 are located inside slide rail 33, and with slide rail 33 relative slip, arbitrary straight-tooth 53 upper portion side in slide rail 33 is equipped with first connecting piece 531, first connecting piece 531 all runs through this slide rail 33 and is connected with first clamping ring 61, it is equipped with a plurality of first shell fragments to go up between heated board 31 and the first clamping ring 61, another straight-tooth 53 lower part side in slide rail 33 is equipped with second connecting piece 532, second connecting piece 532 all runs through this slide rail 33 and is connected with second clamping ring 62, be equipped with a plurality of second shell fragments 321 between heated board 32 and the second clamping ring 62 down, first clamping ring 61 and second clamping ring 62 all wrap up four slide rails 33, sliding connection has the tray frame in the middle of heated board 32 down, tray fixed connection can be dismantled between tray frame and the heated board 32.

By adopting the technical scheme of the invention, the heat insulation sealing gaskets 34 are respectively arranged on the lower side of the upper heat insulation plate 31 and the upper side of the lower heat insulation plate 32, so that when the test basket 3 moves to the uppermost side or the lowermost side through the transmission system, the heat insulation sealing gaskets 34 are tightly contacted and sealed with the wall of the high-temperature box 1 or the low-temperature box 2, the temperature exchange between the high-temperature box 1 and the low-temperature box 2 is prevented, and the first pressing ring 61 and the second pressing ring 62 are both positioned in the ring of the heat insulation sealing gaskets 34; the first connecting piece 531 penetrates through the sliding rail 33 to be connected with a first pressing ring 61, a first sliding groove 331 matched with the first connecting piece 531 is formed in the upper side of the sliding rail 33, the first sliding groove 331 facilitates the movement of the first connecting piece 531, the second connecting piece 532 penetrates through the sliding rail 33 to be connected with a second pressing ring 62, a second sliding groove 332 connected with the second connecting piece 532 is formed in the lower side of the sliding rail 33, and the second sliding groove 332 facilitates the movement of the second connecting piece 532; the four slide rails 33 are wrapped by the first pressing ring 61 and the second pressing ring 62, so that the first pressing ring 61 can be in contact with the lower surface of the high-temperature box 1, and the second pressing ring 62 can be in contact with the upper surface of the low-temperature box 2; the tray frame is detachably and fixedly connected with the lower heat-insulation plate 32, so that a sample can be conveniently installed on the tray frame and then slide into the test basket 3 from the lower side of the lower heat-insulation plate 32, and the sample can be conveniently placed; the slide rails 33 can guide the test basket 3 to slide along the channel, so that the test basket 3 moves stably; one end of the heat insulation board 4 is rotatably connected with one of the slide rails 33, and the other end is rotatably connected with a rotating shaft 51, so that the heat insulation board 4 can relatively rotate; the gear 52 is fixedly connected with the rotating shaft 51, so that the gear 52, the rotating shaft 51 and the heat insulation plate 4 can synchronously rotate, the two sides of the gear 52 are respectively provided with the straight teeth 53, so that any straight tooth 53 can control the gear 52 to rotate, at least one of the straight teeth 53 or the gear 52 can be provided with the limiting tooth 533, so that the rotation range of the heat insulation plate 4 can only rotate between the horizontal direction and the vertical direction, and the stability of the structure is improved; the upper side of one straight tooth 53 in the same slide rail 33 is sequentially connected with a first connecting piece 531, a first pressing ring 61 and a first elastic sheet, so that when the upper insulation board 31 is contacted with the high-temperature box 1, the rotation of the insulation board 4 is controlled through the movement of the first pressing ring 61, and similarly, the lower side of the other straight tooth 53 in the same slide rail 33 is sequentially connected with a second connecting piece 532, a second pressing ring 62 and a second elastic sheet 321, so that when the lower insulation board 32 is contacted with the low-temperature box 2, the rotation of the insulation board 4 is controlled through the movement of the second pressing ring 62, and therefore when the test basket 3 moves to the uppermost position or the lowermost position through a transmission system, through the structure, the insulation board 4 is changed from a vertical arrangement to a horizontal arrangement, and the temperature of a sample is convenient; the method comprises the following specific steps:

when the test basket 3 is at any position in a moving state, the first elastic sheet and the second elastic sheet 321 are in a relaxation state, so that the first press ring 61 is far away from the upper heat-insulation plate 31, the second press ring 62 is far away from the lower heat-insulation plate 32, one straight tooth 53 in the four slide rails 33 is fixed by the first press ring 61 through the four first connecting pieces 531, and similarly, the other straight tooth 53 in the four slide rails 33 is fixed by the second press ring 62 through the four second connecting pieces 532, so that the gear 52 is relatively fixed under the common action of the two straight teeth 53, the rotating shaft 51 and the heat-insulation plate 4 are relatively fixed, and in this state, the heat-insulation plates 4 are sequentially vertically arranged to form a heat-insulation wall, so that heat insulation and temperature isolation are performed on samples in the tray rack;

when the testing basket 3 is positioned at the uppermost end, the lower heat-insulating plate 32 is tightly attached to the upper wall of the low-temperature box 2 and positioned between the lower heat-insulating plate 32 of the heat-insulating sealing gasket 34 and the low-temperature box 2 to play a role of sealing and heat insulation, meanwhile, the upper wall of the low temperature box 2 presses the second press ring 62 to compress the second elastic sheet 321, the second press ring 62 moves down to be close to the lower heat insulation plate 32, the second press ring 62 drives one straight tooth 53 of the four slide rails 33 to move down through the four second connecting pieces 532, the straight tooth 53 moves down to drive the gear 52 to rotate, so that the rotating shaft 51 and the heat insulation plate 4 rotate along with the rotation, at the moment, the heat insulation plate 4 rotates to be horizontally arranged, the test basket 3 is opened, the sample in the tray frame is fully contacted with the high-temperature gas in the high-temperature box 1 to play a role of temperature impact, and simultaneously, due to the rotation of the gear 52, the other straight tooth 53 in the same slide rail 33 moves upwards, the first press ring 61 approaches the upper heat insulation plate 31, and the first elastic sheet is also compressed; in a similar way, when the testing basket 3 is positioned at the lowest end, the testing basket 3 is opened, and a sample in the tray frame is fully contacted with the low-temperature gas in the low-temperature box 2 to play a role of temperature shock;

thus, after the test basket 3 is heated in the high-temperature box 1, the transmission system is started to drive the test basket 3 to move downwards, the first elastic sheet and the second elastic sheet 321 rebound to a relaxation state simultaneously, so that the heat insulation plates 4 are sequentially and vertically arranged to form a heat insulation wall, heat insulation and temperature isolation are carried out on a sample in the tray frame, the heat insulation plates 4 do not conduct heat due to the absence of convection of hot air, the temperature of the sample is temporarily kept, when the test basket 3 moves to the lowest end, the upper heat insulation plate 31, the heat insulation sealing gasket 34 and the high-temperature box 1 are close to seal and insulate heat, and the test basket 3 is opened through the action of the first pressing ring 61, the first connecting piece 531, the straight teeth 53 and the gears 52 in the slide rail 33, so that the sample in the tray frame is fully contacted with low-temperature gas in the low-temperature box 2 to play a; the same principle is also used when the test basket 3 moves from the low temperature box 2 to the high temperature box 1; like this, because the sample can keep warm to the sample at the lift in-process test basket, open again after the sample enters into another temperature box completely, reduced the temperature variation of sample at the lift in-process, improve the precision of test data to simple structure does not need extra power, practices thrift the cost.

Preferably, as shown in fig. 14, the heat insulation board 4 includes a heat insulation body 41, the heat insulation body 41 is externally wrapped with a heat insulation soft pad 42, two ends of the heat insulation body 41 are fixedly connected with a rotating connector 43, the rotating connector 43 of the heat insulation body 41 at one end is fixedly connected with a rotating shaft 51, and the rotating connector 43 of the heat insulation body 41 at the other end is rotatably connected with the sliding rail 33. With the structure, the heat insulation effect of the heat insulation plate 4 is enhanced, the heat insulation cushion 42 can reduce the gap between the two heat insulation plates 4, the heat insulation effect is improved, and the rotary connecting piece 43 is arranged for convenient connection and fixation. In fact, other structural shapes of the heat insulation board 4 can be considered according to specific situations to achieve good heat insulation and mounting and fixing.

Preferably, as shown in fig. 14, the rotary connecting member 43 is fixedly connected to the side of the thermal insulation body 41, and the cross section of the thermal insulation body 41 is a parallelogram. Such structure, rotation connecting piece 43 and thermal-insulated main part 41 side fixed connection have reduced the clearance between thermal-insulated main part 41 and the slide rail 33, can the thermal-insulated effect of effectual reinforcing heat insulating board 4, and thermal-insulated main part 41 cross section is parallelogram, and when a plurality of thermal-insulated main parts 41 were vertically arranged, the clearance can be filled up in the thermal-insulated cushion 42 of hypotenuse contact each other, also can the thermal-insulated effect of effectual reinforcing heat insulating board 4. In fact, other structural shapes may be used to improve the insulating properties of the insulating panel 4, as the case may be.

Preferably, the outer surface of the slide rail 33 is coated with a thermal barrier coating. With such a structure, the heat transfer of the slide rail 33 can be reduced, and the heat insulation effect in the test basket 3 can be improved, and actually, the slide rail 33 can be made of a heat insulation material according to specific situations, so that the heat transfer can be reduced.

Preferably, as shown in fig. 9, a mounting member 35 is fixedly connected inside the slide rail 33, the cross section of the mounting member 35 is concave, and the rotating shaft 51 and the straight teeth 53 are both assembled and connected with the mounting member 35. Such structure, through setting up installed part 35, be convenient for with pivot 51 and straight-tooth 53 fixed mounting in advance, promote installation progress and production efficiency. In fact, other part structures can be considered according to specific situations, so that the rotating shaft 51 and the straight teeth 53 can be installed and fixed conveniently, and the installation progress and the production efficiency are improved.

Preferably, as shown in fig. 12, the mounting member 35 is provided with a groove 351 matching with the rotation shaft 51. With this structure, the provision of the groove 351 prevents the rotation shaft 51 from being interfered by the slide rail 33. In fact, other shapes and structures can be considered according to specific situations to facilitate the assembly of the rotating shaft 51.

Preferably, the mounting part 35 is provided with a first notch 352 at the upper side thereof for matching with the first connecting part 531, and a second notch 353 at the lower side thereof for matching with the second connecting part 532. Such a structure facilitates the installation of the first and

second connection members

531 and 532. In fact, other configurations may be used to facilitate the installation of the first and

second connectors

531 and 532, as the case may be.

Preferably, as shown in fig. 2 and 13, the lower heat insulation board 32 is provided with a step groove 324 matched with a tray rack, the tray rack comprises a heat insulation baffle 81 and a tray support 82, the heat insulation baffle 81 is matched with the step groove 324 in shape, a blocking strip 821 matched with the step groove 324 is arranged at the upper end of the tray support 82, and a sealing strip is arranged on the step surface of the step groove 324. Such structure, step groove 324 and thermal-insulated baffle 81 cooperation can be better sealed thermal-insulated, tray support 82 can not only install fixed sample, also can slide relative step groove 324 cell wall simultaneously, and tray support 82's outer wall is embedded to have a friction pad, can slow down tray support's tenesmus speed, blend stop 821 is used for spacing preventing tray support 82 roll-off step groove 324, can set up the start playback state to test basket 3 and be located the top, be convenient for like this with the tray support dismantlement installation sample. In fact, other structures can be adopted between the heat insulation plate 32 and the tray frame according to specific conditions, so that the sample can be conveniently installed and fixed.

Preferably, as shown in fig. 13, two latch holes 3241 are symmetrically formed on the inner wall of the stepped groove 324, and two latch assemblies are symmetrically formed on the lower side of the heat insulation barrier 81. Such structure, simple structure is convenient for can dismantle fixedly with heated board 32 and tray frame down. In fact, other detachable structures between the heat insulation plate 32 and the tray rack can be considered according to specific situations.

Preferably, as shown in fig. 13, the tray frame is provided with a locking groove 75 matched with the locking tongue assembly, the locking tongue assembly comprises a stopper 71, a locking tongue 72, a handle 73 and a spring 74, the stopper 71 is fixedly connected with the locking groove 75, the locking tongue 72 penetrates through the stopper 71, the locking tongue 72 is in relative sliding connection with the stopper 71, the handle 73 is fixedly connected with the middle part of the locking tongue 72, the tail part of the locking tongue 72 is connected with the spring 74, and a spring groove 751 matched with the spring 74 is arranged on the side surface of the locking groove 75. Such structure through pulling handle 73, can dismantle lower heated board 32 and tray frame and come, and spring 74 is used for the auto-lock for bolt assembly stable in structure, bolt 72 tip is equipped with the inclined plane, conveniently locks bolt 72 in the bolt hole 3241. In fact, other shapes and configurations of the latch bolt assembly may be used depending on the particular situation.

Preferably, fill first heat preservation in the scope that four slide rails 33 of upper insulation board 31 lower surface enclose, fill the second heat preservation in the scope that four slide rails 33 of upper surface and step groove 324 of lower heat preservation board 32 enclose, fill the third heat preservation at thermal baffle 81 upper surface, first heat preservation, the thickness of second heat preservation and third heat preservation is not more than the thickness of the passageway between high-temperature box 1 and the low-temperature box 2, the isolated inner space of heat insulating board 4 has been reduced like this, when test basket 3 is shifted to another temperature box by a temperature box displacement, the gas that contains a last temperature that carries still less, the influence of temperature has been reduced, energy saving.

The test basket can keep the temperature of the sample in the lifting process of the sample, and the sample is completely opened after completely entering the other temperature box body, so that the temperature change of the sample in the lifting process is reduced, the precision of test data is improved, the structure is simple, extra power is not needed, and the cost is saved.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a two box temperature shock test casees, includes high temperature box (1), low temperature box (2), test basket (3) and transmission system, transmission system runs through high temperature box (1) and is connected with test basket (3), be equipped with between high temperature box (1) and low temperature box (2) and test basket (3) assorted passageway, test basket (3) are equipped with heated board (31) and lower heated board (32), its characterized in that: go up heated board (31) downside and heated board (32) upside down and all be equipped with round heat insulating gasket (34), go up heated board (31) and down fixedly connected with between heated board (32) four slide rails (33) with the passageway laminating, it is connected with a plurality of heat insulating boards (4) to rotate between two adjacent slide rails (33), it is a plurality of heat insulating board (4) vertical evenly distributed, heat insulating board (4) one end is rotated with a slide rail (33) and is connected, heat insulating board (4) other end is rotated and is connected with pivot (51), a plurality of pivot (51) all fixedly connected with gear (52), gear (52) are located inside another slide rail (33), gear (52) both sides all are equipped with straight-tooth (53), two straight-tooth (53) are located inside slide rail (33), and slide rail (33) relative slip, arbitrary in slide rail (33) straight-tooth (53) upper portion side is equipped with first connecting piece (531), first connecting piece (531) all run through this slide rail (33) and are connected with first clamping ring (61), it is equipped with a plurality of first shell fragments to go up between heated board (31) and first clamping ring (61), another straight-tooth (53) lower part side in slide rail (33) is equipped with second connecting piece (532), second connecting piece (532) all run through this slide rail (33) and are connected with second clamping ring (62), be equipped with a plurality of second shell fragments (321) down between heated board (32) and second clamping ring (62), first clamping ring (61) and second clamping ring (62) all wrap up four slide rails (33), sliding connection has the tray frame in the middle of heated board (32) down, can dismantle fixed connection between tray frame and lower heated board (32).

2. The two-chamber temperature impact test chamber according to claim 1, wherein: heat insulating board (4) are including thermal-insulated main part (41), thermal-insulated main part (41) outside parcel has thermal-insulated cushion (42), thermal-insulated main part (41) both ends fixedly connected with rotates connecting piece (43), one end rotation connecting piece (43) and pivot (51) fixed connection, the other end of thermal-insulated main part (41) rotate connecting piece (43) and slide rail (33) and be connected.

3. The two-chamber temperature impact test chamber of claim 2, wherein: the rotary connecting piece (43) is fixedly connected with the side face of the heat insulation main body (41), and the cross section of the heat insulation main body (41) is a parallelogram.

4. The two-chamber temperature impact test chamber according to claim 1, wherein: the outer surface of the sliding rail (33) is coated with a heat insulation coating.

5. The two-chamber temperature impact test chamber according to claim 1, wherein: slide rail (33) inside fixedly connected with installed part (35), installed part (35) cross section is the concave type, pivot (51) and straight-tooth (53) all with installed part (35) assembled connection.

6. The two-chamber temperature impact test chamber according to claim 5, wherein: the mounting piece (35) is provided with a groove (351) matched with the rotating shaft (51).

7. The two-chamber temperature impact test chamber according to claim 5, wherein: the installing part (35) is provided with a first notch (352) matched with the first connecting piece (531) on the upper side, and a second notch (353) matched with the second connecting piece (532) is arranged on the lower side of the installing part (35).

8. The two-chamber temperature impact test chamber according to claim 1, wherein: lower heated board (32) be equipped with tray frame assorted step groove (324), the tray frame includes thermal baffle (81) and tray support (82), thermal baffle (81) shape and step groove (324) phase-match, tray support (82) upper end is equipped with step groove (324) assorted blend stop (821), step groove (324) step face is equipped with the sealing strip.

9. The two-chamber temperature impact test chamber of claim 8, wherein: the inner wall of the stepped groove (324) is symmetrically provided with two bolt holes (3241), and the lower side of the heat insulation baffle plate (81) is symmetrically provided with two bolt components.

10. A two-chamber temperature impact test chamber according to claim 9, wherein: tray frame is equipped with and locks tongue subassembly assorted catching groove (75), the catching groove subassembly includes dog (71), spring bolt (72), handle (73) and spring (74), dog (71) and catching groove (75) fixed connection, dog (72) run through dog (71), just relative sliding connection between dog (72) and the dog (71), handle (73) and spring bolt (72) middle part fixed connection, spring bolt (72) afterbody is connected with spring (74), catching groove (75) side is equipped with and spring (74) assorted spring groove (751).