CN208312802U - Freezing equipment is used in a kind of experiment - Google Patents

Abstract

The utility model provides a kind of experiment freezing equipment, including spraying mechanism, cover board, household freezer and supporting mechanism, the spraying mechanism assembly is on the cover board, the cover board left end is connected by hinge with household freezer upper end, the household freezer lower end is provided with supporting mechanism, the spraying mechanism includes pressing plate, accommodating box, slide damper, hollow sleeve, connecting rod, spray case, reverse-flighted screw, sucker, screw rod, circular gear and rack bar, the supporting mechanism includes support plate, sliding bar, hollow pipeline, cavity, supporting box, movable pulley, connect stick, expansion plate, hollow cage plate, threaded rod and fixed column, compared with prior art, the utility model has the function of following uniformly spraying the utility model has the advantages that realizing, it is also convenient for quickly adding powder, it is also convenient for dismantling simultaneously, improve support effect Fruit, and it is also convenient for protection and movement, and be also convenient for carrying out elevating control to support plate.

Description

Freezing equipment is used in a kind of experiment

Technical field

The utility model is a kind of experiment freezing equipment, belongs to powdery paints apparatus field.

Background technique

Existing experiment, when spraying to powder, is usually manually sprayed with freezing equipment, workload Greatly, sprinkling is not uniform enough, and refrigerating effect is poor, and existing experiment is usually a kind of fixed structure with freezing equipment, can not be moved It is dynamic, nor convenient for being gone up and down to support plate.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of experiment freezing equipment, to solve The problems mentioned above in the background art.

To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of experiment freezing Equipment, including spraying mechanism, cover board, household freezer and supporting mechanism, on the cover board, the cover board is left for the spraying mechanism assembly End is connected by hinge with household freezer upper end, and the household freezer lower end is provided with supporting mechanism, and the spraying mechanism includes pressure Plate, accommodating box, slide damper, hollow sleeve, connecting rod, sprinkling case, reverse-flighted screw, sucker, screw rod, circular gear and rack gear Bar, the supporting mechanism include support plate, sliding bar, hollow pipeline, cavity, supporting box, movable pulley, connection stick, stretch Plate, hollow cage plate, threaded rod and fixed column.

Further, in the spraying mechanism, the pressing plate is arranged in accommodating box internal upper part, the accommodating box inner bottom End is equipped with slide damper, and the slide damper lower end surface is fixed with hollow sleeve, and the hollow sleeve lower end is equipped with connection Bar, the connecting rod lower end are connected by ring flange with sprinkling case, and lower part is provided with reverse-flighted screw in the sprinkling case, described Reverse-flighted screw rear end is fixed with circular gear, and circular gear annular side lower end is provided with rack bar, and the sprinkling case is right End is fixed with sucker, and the sucker right end is connected by bearing with screw rod, and the screw rod is assemblied on household freezer right end.

Further, the screw rod is connected by ball nut pair with household freezer, and the screw rod right end is fixed with handle, The accommodating box left and right ends are symmetrically opened up there are two open slot, and slide damper is equipped on open slot, under the accommodating box End offers rectangular aperture one, offers rectangular aperture two in the middle part of the cover board upper surface, the rack bar lower end passes through bolt It is connected with household freezer inner back wall, the circular gear carries out gear with rack bar and engages, and the sprinkling case lower end is equidistantly opened Equipped at least two through-holes, and through-hole lower end is equipped with spray head, and in actual use, user of service holds handle, and is turned Dynamic, handle rotation drives screw rod rotation because screw rod is connected by ball nut pair with household freezer, screw rod rotate and to It moves left, screw rod, which is moved to the left, drives sucker to be moved to the left, and sucker is moved to the left to be in contact with sprinkling case, and then to sprinkling Case carries out absorption fixation, and then user of service continues to rotate handle, so that screw rod be driven to move right, screw rod moves right drive Sprinkling case moves right, and sprinkling case, which moves right, drives reverse-flighted screw to move right, and reverse-flighted screw, which moves right, drives round tooth Wheel moves right along rack bar, engages because circular gear carries out gear with rack bar, circular gear moves right simultaneously It is rotated, circular gear rotation drives reverse-flighted screw rotation, and reverse-flighted screw rotation is to drive dry ice powder along two-way spiral shell Bar is simultaneously displaced outwardly, and then dry ice powder leaves sprinkling case by through-hole, and is sprayed downwards by spray head, so to experiment object into Row freezing, while spraying case and move right and connecting rod is driven to move right, connecting rod, which moves right, drives hollow sleeve to move right It is dynamic, and then slide damper is driven to move right along open slot, slide damper moves right dry inside so as to cause accommodating box Ice powder leaves slide damper, and falls into inside sprinkling case, realizes the function of uniformly spraying.

Further, the pressing plate upper end is equipped with pull ring, the pressing plate and holds chamber interior wall contact position and is equipped with ring Shape sealing ring, accommodating box lower end corner location are respectively and fixedly provided with convex block, and cover board upper end corner location symmetrically offers four A groove, and inside grooves are provided with convex block, in actual use, user of service holds pull ring and moves up, and pull ring is upward Mobile band dynamic pressure plate moves up, and pressing plate moves up mutually to separate with accommodating box, and then user of service falls dry ice powder Enter inside accommodating box, after the completion of the sprinkling of dry ice powder, user of service holds accommodating box, and moves up, and accommodating box is to moving up Dynamic that hollow sleeve is driven to move up, hollow sleeve moves up mutually to separate with connecting rod, and then user of service holds cunning Dynamic baffle is simultaneously moved inward along open slot, and then two slide dampers is caused to be in contact with each other, to carry out to accommodating box lower end Sealing then proceedes to move up accommodating box, and accommodating box, which moves up, drives convex block to move up, convex block move up to Groove mutually separates, and realizes the function of fast quick-detach, is also convenient for being added dry ice powder.

Further, in the supporting mechanism, the support plate lower end is provided with sliding bar, and the sliding bar lower end connects It is connected to hollow pipeline, the hollow pipeline lower end is connected by ring flange with supporting box inner bottom, the supporting box Inside offers cavity, and cavity is assemblied in hollow pipeline lower end, supporting box outer end face top by hinge with it is hollow Cage plate is connected, and the hollow sleeve intralamellar part is provided with expansion plate, and the expansion plate lower end is fixed with connection stick, the connection Stick lower end is connected by bolt with movable pulley, and the hollow cage plate rear and front end is each equipped with fixed column, the fixed column On threaded rod is installed, the threaded rod lower end is arranged inside supporting box, and the support plate is mounted on inside household freezer.

Further, the support plate lower end is machined with sliding groove, and sliding groove is internally provided with sliding shoe, and sliding shoe It is connected by bolt with sliding bar upper end, the supporting box lower end is inlaid with inflator, and inflator upper end passes through tracheae It is connected with cavity, the sliding bar annular side and hollow pipeline contact position are provided with ring type seal, the hollow sleeve Pipe upper end is fixed with top plate, and the household freezer lower end offers card slot, and card slot is internally provided with top plate, in actual use, Household freezer is placed on supporting box upper end by user of service, and moves down household freezer, is in contact so as to cause card slot with top plate, Then user of service is pulled along support plate, and support plate moves forward to stretch out from household freezer front end, and then user of service will Test object place on the supporting plate, then user of service pushes support plate to move backward along sliding shoe again, support plate to After when being moved to suitable position, stop pushing support plate, then start inflator, inflator work drives air stream dynamic, in turn Cause outside air to enter cavity inside, as air continues into cavity inside, leaves cavity so as to cause air, and enter Inside hollow sleeve, and then sliding bar is driven to move up along hollow sleeve, sliding bar, which moves up, drives support plate upward Mobile, support plate moves up drive experiment object and moves up, and when support plate is moved upwards up to suitable position, stops inflation Machine realizes the function of support, and can be gone up and down.

Further, the threaded rod upper end is fixed with handle, and supporting box upper surface rear portion is symmetrily processed with two A slot corresponding with handle, hollow sleeve intralamellar part top is fixed with electric pushrod, and electric pushrod lower end is provided with Expansion plate, and electric pushrod is connected by conducting wire with external power supply, the threaded rod is connected by screw thread with fixed column, institute It states supporting box lower end and is machined with circular hole, and circular hole is internally provided with threaded rod lower end, in actual use, user of service's starting Electric pushrod, electric pushrod work drive expansion plate to move down, and expansion plate moves down drive connection stick and moves down, even Narrow bars block, which moves down, drives movable pulley to move down, and then movable pulley and ground is driven to touch, so to supporting box into Row lifts, and when needing to protect household freezer, user of service holds handle, and is rotated, and handle rotation drives screw thread Bar rotation, because threaded rod is connected by screw thread with fixed column, threaded rod is rotated and is moved up, and then leads to screw thread Bar lower end is mutually separated with circular hole, and then user of service holds hollow cage plate and rotates around hinge, and hollow cage plate rotation is same When drive expansion plate, connection stick, movable pulley, fixed column and threaded rod to be rotated, turn to suitable position in hollow cage plate When setting, stop operating hollow cage plate, then rotates threaded rod again, and threaded rod rotation is to move down, and threaded rod is to moving down Dynamic band fixed handle moves down, and then causes handle to enter inside slot, and then limit to hollow sleeve plate, then opens again Dynamic electric pushrod, electric pushrod work drive expansion plate to move up, and expansion plate moves up drive connection stick and moves up, And then movable pulley is driven to move up, when expansion plate is moved upwards up to suitable position, stops electric pushrod, realize mobile Function, and can be protected.

The utility model has the beneficial effects that a kind of experiment freezing equipment of the utility model, the utility model is by adding Pressure plate, accommodating box, slide damper, hollow sleeve, connecting rod, sprinkling case, reverse-flighted screw, sucker, screw rod, circular gear and Rack bar realizes the function of uniformly spraying, and is also convenient for quickly adding powder, while being also convenient for dismantling.

The utility model passes through addition support plate, sliding bar, hollow pipeline, cavity, supporting box, movable pulley, connection strap Block, expansion plate, hollow cage plate, threaded rod and fixed column, improve support effect, and are also convenient for protection and movement, and And it is also convenient for carrying out elevating control to support plate.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is the structural schematic diagram that freezing equipment is used in a kind of experiment of the utility model；

Fig. 2 is the schematic elevation view of spraying mechanism in a kind of experiment freezing equipment of the utility model；

Fig. 3 is the right side view of spraying mechanism in a kind of experiment freezing equipment of the utility model；

Fig. 4 is the schematic elevation view of supporting mechanism in a kind of experiment freezing equipment of the utility model；

Fig. 5 is the right side view of supporting mechanism in a kind of experiment freezing equipment of the utility model；

In figure: 1- spraying mechanism, 2- cover board, 3- household freezer, 4- supporting mechanism, 101- pressing plate, 102- accommodating box, 103- are sliding Dynamic baffle, 104- hollow sleeve, 105- connecting rod, 106- spray case, 107- reverse-flighted screw, 108- sucker, 109- screw rod, 110- Circular gear, 111- rack bar, 401- support plate, 402- sliding bar, 403- hollow pipeline, 404- cavity, 405- supporting box, 406- movable pulley, 407- connection stick, 408- expansion plate, the hollow cage plate of 409-, 410- threaded rod, 411- fixed column.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1-Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of experiment freezing equipment, including sprinkling Mechanism 1, cover board 2, household freezer 3 and supporting mechanism 4, spraying mechanism 1 are assemblied on cover board 2,2 left end of cover board by hinge with it is cold Freeze 3 upper end of case to be connected, 3 lower end of household freezer is provided with supporting mechanism 4, and spraying mechanism 1 includes pressing plate 101, accommodating box 102, slides Dynamic baffle 103, hollow sleeve 104, connecting rod 105, sprinkling case 106, reverse-flighted screw 107, sucker 108, screw rod 109, round tooth Wheel 110 and rack bar 111, supporting mechanism 4 include support plate 401, sliding bar 402, hollow pipeline 403, cavity 404, support Cabinet 405, movable pulley 406, connection stick 407, expansion plate 408, hollow cage plate 409, threaded rod 410 and fixed column 411.

In spraying mechanism 1, pressing plate 101 is arranged in 102 internal upper part of accommodating box, and 102 inner bottom of accommodating box is equipped with cunning Dynamic baffle 103,103 lower end surface of slide damper are fixed with hollow sleeve 104, and 104 lower end of hollow sleeve is equipped with connecting rod 105, 105 lower end of connecting rod is connected by ring flange with sprinkling case 106, is sprayed lower part in case 106 and is provided with reverse-flighted screw 107, double It is fixed with circular gear 110 to 107 rear end of screw rod, 110 annular side lower end of circular gear is provided with rack bar 111, sprays case 106 right ends are fixed with sucker 108, and 108 right end of sucker is connected by bearing with screw rod 109, and screw rod 109 is assemblied in household freezer 3 On right end.

In supporting mechanism 4,401 lower end of support plate is provided with sliding bar 402, and 402 lower end of sliding bar is connected with hollow tube Road 403,403 lower end of hollow pipeline are connected with 405 inner bottom of supporting box by ring flange, are opened inside supporting box 405 Equipped with cavity 404, and cavity 404 is assemblied in 403 lower end of hollow pipeline, and 405 outer end face top of supporting box is by hinge in Empty set plate 409 is connected, and hollow cage plate 409 is internally provided with expansion plate 408, and 408 lower end of expansion plate is fixed with connection stick 407, connection 407 lower end of stick is connected by bolt with movable pulley 406, and hollow 409 rear and front end of cage plate is each equipped with fixation Column 411 is equipped with threaded rod 410 in fixed column 411, and 410 lower end of threaded rod is arranged inside supporting box 405, support plate 401 It is mounted on inside household freezer 3.

One embodiment as the utility model: screw rod 109 is connected by ball nut pair with household freezer 3, screw rod 109 right ends are fixed with handle, and 102 left and right ends of accommodating box symmetrically open up that there are two open slots, and sliding is equipped on open slot Baffle 103,102 lower end of accommodating box offer rectangular aperture one, offer rectangular aperture two, rack bar in the middle part of 2 upper surface of cover board 111 lower ends are connected by bolt with 3 inner back wall of household freezer, and circular gear 110 carries out gear with rack bar 111 and engages, and are sprayed It spills 106 lower end of case and equidistantly offers at least two through-holes, and through-hole lower end is equipped with spray head, in actual use, user of service Handle is held, and is rotated, handle rotation drives screw rod 109 to rotate, because screw rod 109 passes through ball nut pair and household freezer 3 are connected, so screw rod 109 is rotated and is moved to the left, screw rod 109, which is moved to the left, drives sucker 108 to be moved to the left, sucker 108 It is moved to the left to be in contact with sprinkling case 106, and then absorption fixation is carried out to sprinkling case 106, then user of service continues to turn Dynamic handle, so that screw rod 109 be driven to move right, screw rod 109, which moves right, drives sprinkling case 106 to move right, and sprays case 106 It moves right and reverse-flighted screw 107 is driven to move right, reverse-flighted screw 107, which moves right, drives circular gear 110 along rack bar 111 move right, and engage because circular gear 110 carries out gear with rack bar 111, circular gear 110 moves right simultaneously It is rotated, the rotation of circular gear 110 drives reverse-flighted screw 107 to rotate, and the rotation of reverse-flighted screw 107 is to drive dry ice powder edge Reverse-flighted screw 107 and be displaced outwardly, then dry ice powder leaves sprinkling case 106 by through-hole, and is sprayed downwards by spray head, And then experiment object is freezed, while spraying case 106 and move right and connecting rod 105 is driven to move right, connecting rod 105 is to the right It is mobile that hollow sleeve 104 is driven to move right, and then slide damper 103 is driven to move right along open slot, slide damper 103 It moves right and leaves slide damper 103 so as to cause the dry ice powder inside accommodating box 102, and fall into inside sprinkling case 106, it is real The function of uniform sprinkling is showed.

One embodiment as the utility model: 101 upper end of pressing plate is equipped with pull ring, in pressing plate 101 and accommodating box 102 Wall contact position is equipped with ring type seal, and 102 lower end corner location of accommodating box is respectively and fixedly provided with convex block, 2 upper end quadrangle of cover board position It sets and symmetrically opens up there are four groove, and inside grooves are provided with convex block, in actual use, user of service holds pull ring and upward Mobile, pull ring moves up band dynamic pressure plate 101 and moves up, and pressing plate 101 moves up to separate with 102 phase of accommodating box, so User of service pours into dry ice powder inside accommodating box 102 afterwards, and after the completion of the sprinkling of dry ice powder, user of service holds accommodating box 102, and move up, accommodating box 102, which moves up, drives hollow sleeve 104 to move up, hollow sleeve 104 move up from And separated with 105 phase of connecting rod, then user of service holds slide damper 103 and moves inward along open slot, and then causes Two slide dampers 103 are in contact with each other, to be sealed 102 lower end of accommodating box, then proceed to move up accommodating box 102, accommodating box 102, which moves up, drives convex block to move up, and convex block moves up mutually to separate with groove, realizes quickly The function of disassembly is also convenient for being added dry ice powder.

One embodiment as the utility model: 401 lower end of support plate is machined with sliding groove, and setting inside sliding groove There is sliding shoe, and sliding shoe is connected by bolt with 402 upper end of sliding bar, 405 lower end of supporting box is inlaid with inflator, and Inflator upper end is connected by tracheae with cavity 404, and 402 annular side of sliding bar and 403 contact position of hollow pipeline are arranged There is ring type seal, 104 upper end of hollow sleeve is fixed with top plate, and 3 lower end of household freezer offers card slot, and card slot is internally provided with Household freezer 3 is placed on 405 upper end of supporting box by top plate, in actual use, user of service, and moves down household freezer 3, from And cause card slot to be in contact with top plate, then user of service is pulled along support plate 401, support plate 401 move forward to from 3 front end of household freezer is stretched out, and then user of service is placed on object is tested in support plate 401, and then user of service pushes branch again Fagging 401 is moved backward along sliding shoe, when support plate 401 moves backward to suitable position, stops pushing support plate 401, Then start inflator, it is dynamic that inflator work drives air stream, and then outside air is caused to enter inside cavity 404, with sky Gas continues into inside cavity 404, leaves cavity 404 so as to cause air, and enter inside hollow sleeve 104, and then drive Sliding bar 402 is moved up along hollow sleeve 104, and sliding bar 402, which moves up, drives support plate 401 to move up, and is supported Plate 401 moves up drive experiment object and moves up, and when support plate 401 is moved upwards up to suitable position, stops inflator, real The function of support is showed, and can have been gone up and down.

One embodiment as the utility model: 410 upper end of threaded rod is fixed with handle, 405 upper surface of supporting box There are two slot corresponding with handle, hollow 409 inner tips of cage plate to be fixed with electric pushrod for rear portion symmetrical machining, and electronic Push rod lower end is provided with expansion plate 408, and electric pushrod is connected by conducting wire with external power supply, and threaded rod 410 passes through screw thread It is connected with fixed column 411,405 lower end of supporting box is machined with circular hole, and circular hole is internally provided with 410 lower end of threaded rod, In actual use, user of service start electric pushrod, electric pushrod work drive expansion plate 408 move down, expansion plate 408 to Lower mobile drive connection stick 407 moves down, and connection stick 407, which moves down, drives movable pulley 406 to move down, and then band Dynamic movable pulley 406 is touched with ground, and then is lifted to supporting box 405, when needing to protect household freezer 3, User of service holds handle, and is rotated, handle rotation drive threaded rod 410 rotate because threaded rod 410 by screw thread with Fixed column 411 is connected, so threaded rod 410 is rotated and moved up, and then leads to 410 lower end of threaded rod and circular hole phase point From then user of service holds hollow cage plate 409 and rotates around hinge, and hollow cage plate 409 is rotated while being driven flexible Plate 408, connection stick 407, movable pulley 406, fixed column 411 and threaded rod 410 are rotated, and are rotated in hollow cage plate 409 When to suitable position, stop operating hollow cage plate 409, then rotates threaded rod 410 again, the rotation of threaded rod 410 is to downwards Mobile, threaded rod 410 moves down band fixed handle and moves down, and then causes handle to enter inside slot, and then to hollow sleeve Plate 409 is limited, and electric pushrod is then again started up, and electric pushrod work drives expansion plate 408 to move up, expansion plate 408, which move up drive connection stick 407, moves up, and then movable pulley 406 is driven to move up, upward in expansion plate 408 When being moved to suitable position, stops electric pushrod, realize mobile function, and can be protected.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of experiment freezing equipment, including spraying mechanism, cover board, household freezer and supporting mechanism, it is characterised in that: described Spraying mechanism assembles on the cover board, and the cover board left end is connected by hinge with household freezer upper end, and the household freezer lower end is set It is equipped with supporting mechanism, the spraying mechanism includes pressing plate, accommodating box, slide damper, hollow sleeve, connecting rod, sprays case, is two-way Screw rod, sucker, screw rod, circular gear and rack bar, the supporting mechanism include support plate, sliding bar, hollow pipeline, sky Chamber, supporting box, movable pulley, connection stick, expansion plate, hollow cage plate, threaded rod and fixed column.

2. a kind of experiment freezing equipment according to claim 1, it is characterised in that: described in the spraying mechanism Pressing plate is arranged in accommodating box internal upper part, and the accommodating box inner bottom is equipped with slide damper, and the slide damper lower end surface is solid Surely there is hollow sleeve, the hollow sleeve lower end is equipped with connecting rod, and the connecting rod lower end passes through ring flange and sprinkling case phase It connects, lower part is provided with reverse-flighted screw in the sprinkling case, and the reverse-flighted screw rear end is fixed with circular gear, the round tooth Wheel annular side lower end is provided with rack bar, and the sprinkling case right end is fixed with sucker, and the sucker right end passes through bearing and silk Bar is connected, and the screw rod is assemblied on household freezer right end.

3. a kind of experiment freezing equipment according to claim 2, it is characterised in that: the screw rod passes through ball nut pair It is connected with household freezer, the screw rod right end is fixed with handle, and the accommodating box left and right ends are symmetrically opened up there are two open slot, And slide damper is equipped on open slot, the accommodating box lower end offers rectangular aperture one, opens in the middle part of the cover board upper surface Equipped with rectangular aperture two, the rack bar lower end is connected by bolt with household freezer inner back wall, the circular gear and tooth Bar carries out gear engagement, and the sprinkling case lower end equidistantly offers at least two through-holes, and through-hole lower end is equipped with spray head, In actual use, user of service holds handle, and is rotated, and handle rotation drives screw rod rotation, because screw rod passes through ball Pair of nut is connected with household freezer, so screw rod is rotated and is moved to the left, screw rod, which is moved to the left, drives sucker to be moved to the left, sucker It is moved to the left to be in contact with sprinkling case, and then absorption fixation is carried out to sprinkling case, then user of service continues to rotate handle, To drive screw rod to move right, screw rod, which moves right, drives sprinkling case to move right, and sprinkling case, which moves right, drives two-way spiral shell Bar moves right, and reverse-flighted screw, which moves right, drives circular gear to move right along rack bar, because of round tooth wheel and rack Bar carries out gear engagement, so circular gear moves right and rotated, circular gear rotation drives reverse-flighted screw rotation, double It rotates to drive dry ice powder along reverse-flighted screw and be displaced outwardly to screw rod, then dry ice powder leaves sprinkling by through-hole Case, and being sprayed downwards by spray head, and then experiment object is freezed, while spraying case and move right and connecting rod is driven to move right Dynamic, connecting rod, which moves right, drives hollow sleeve to move right, and then slide damper is driven to move right along open slot, slides The baffle dry ice powder inside so as to cause accommodating box that moves right leaves slide damper, and falls into inside sprinkling case, realizes The function of uniformly spraying.

4. a kind of experiment freezing equipment according to claim 2, it is characterised in that: the pressing plate upper end is equipped with drawing Ring, the pressing plate are equipped with ring type seal with chamber interior wall contact position is held, and accommodating box lower end corner location is fixed There is a convex block, cover board upper end corner location symmetrically opens up that there are four grooves, and inside grooves are provided with convex block, are actually using When, user of service holds pull ring and moves up, pull ring move up band dynamic pressure plate moves up, pressing plate move up to Accommodating box mutually separates, and then user of service pours into dry ice powder inside accommodating box, after the completion of the sprinkling of dry ice powder, user Member holds accommodating box, and moves up, and accommodating box, which moves up, drives hollow sleeve to move up, hollow sleeve move up from And mutually separated with connecting rod, then user of service holds slide damper and moves inward along open slot, and then leads to two cunnings Dynamic baffle is in contact with each other, to be sealed accommodating box lower end, then proceedes to move up accommodating box, accommodating box moves up Convex block is driven to move up, convex block moves up mutually to separate with groove, realizes the function of fast quick-detach, is also convenient for dry Ice powder is added.

5. a kind of experiment freezing equipment according to claim 1, it is characterised in that: described in the supporting mechanism Support plate lower end is provided with sliding bar, and the sliding bar lower end is connected with hollow pipeline, and the hollow pipeline lower end passes through flange Disk is connected with supporting box inner bottom, cavity is offered inside the supporting box, and cavity is assemblied under hollow pipeline End, supporting box outer end face top are connected by hinge with hollow cage plate, and the hollow sleeve intralamellar part is provided with flexible Plate, the expansion plate lower end are fixed with connection stick, and the connection stick lower end is connected by bolt with movable pulley, it is described in Empty set plate rear and front end is each equipped with fixed column, and threaded rod is equipped in the fixed column, and the threaded rod lower end setting is being propped up Box house is supportted, the support plate is mounted on inside household freezer.

6. a kind of experiment freezing equipment according to claim 5, it is characterised in that: the support plate lower end is machined with cunning Dynamic slot, and sliding groove is internally provided with sliding shoe, and sliding shoe is connected by bolt with sliding bar upper end, the supporting box Lower end is inlaid with inflator, and inflator upper end is connected by tracheae with cavity, the sliding bar annular side and hollow tube Road contact position is provided with ring type seal, and the hollow sleeve upper end is fixed with top plate, and the household freezer lower end offers card Household freezer is placed on supporting box upper end by slot, and card slot is internally provided with top plate, in actual use, user of service, and to Lower mobile household freezer, is in contact so as to cause card slot with top plate, and then user of service is pulled along support plate, and support plate is to Forward It moves to be stretched out from household freezer front end, then user of service will test object and place on the supporting plate, and then user of service pushes away again Dynamic support plate is moved backward along sliding shoe, when support plate moves backward to suitable position, is stopped pushing support plate, then be opened Dynamic inflator, it is dynamic that inflator work drives air stream, and then outside air is caused to enter cavity inside, as air continues into Cavity inside leaves cavity so as to cause air, and enters inside hollow sleeve, so drive sliding bar along hollow sleeve to Upper movement, sliding bar, which moves up, drives support plate to move up, and support plate moves up drive experiment object and moves up, and is propping up When fagging is moved upwards up to suitable position, stops inflator, realize the function of support, and can be gone up and down.

7. a kind of experiment freezing equipment according to claim 5, it is characterised in that: the threaded rod upper end is fixed with hand Handle, there are two slot corresponding with handle, hollow sleeve intralamellar part tops for supporting box upper surface rear portion symmetrical machining End is fixed with electric pushrod, and electric pushrod lower end is provided with expansion plate, and electric pushrod is connected by conducting wire with external power supply It connects, the threaded rod is connected by screw thread with fixed column, and the supporting box lower end is machined with circular hole, and setting inside circular hole There is threaded rod lower end, in actual use, user of service starts electric pushrod, and electric pushrod work drives expansion plate to moving down Dynamic, expansion plate moves down drive connection stick and moves down, and connection stick, which moves down, drives movable pulley to move down, in turn It drives movable pulley and ground to touch, and then supporting box is lifted, when needing to protect household freezer, user Member holds handle, and is rotated, and handle rotation drives threaded rod rotation, because threaded rod is connected by screw thread with fixed column It connects, so threaded rod is rotated and moved up, and then causes threaded rod lower end mutually to separate with circular hole, during then user of service holds Empty set plate is simultaneously rotated around hinge, the rotation of hollow cage plate drive simultaneously expansion plate, connect stick, movable pulley, fixed column with And threaded rod is rotated, when hollow cage plate turns to suitable position, stop operating hollow cage plate, then rotates screw thread again Bar, to move down, threaded rod moves down band fixed handle and moves down, and then handle is caused to enter slot for threaded rod rotation Inside, and then limit to hollow sleeve plate, is then again started up electric pushrod, and electric pushrod work drives expansion plate to moving up Dynamic, expansion plate moves up drive connection stick and moves up, and then movable pulley is driven to move up, and moves up in expansion plate When to suitable position, stops electric pushrod, realize mobile function, and can be protected.