CN115265076A

CN115265076A - Translation formula insulation construction suitable for small-size freezer

Info

Publication number: CN115265076A
Application number: CN202211161400.1A
Authority: CN
Inventors: 葛沙
Original assignee: Nantong Haimen Xuedun Refrigeration Equipment Co ltd
Current assignee: Nantong Haimen Xuedun Refrigeration Equipment Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-11-01
Anticipated expiration: 2042-09-23
Also published as: CN115265076B

Abstract

The invention discloses a translation type heat insulation structure suitable for a small-sized refrigeration house, which comprises a wall body, an upper track, a lower track and a door body, wherein the door body is slidably arranged between the upper track and the lower track, a transportation port is formed in the wall body, an outer door sealing strip and a door frame sealing strip are respectively arranged on one side, opposite to the wall body, of the door body, a plurality of sealing grooves are symmetrically formed in the outer door sealing strip, a plurality of rubber positioning buckles are symmetrically arranged on the door frame sealing strip, an open groove is formed in the bottom of the door body, a front side roller and a rear side roller are symmetrically arranged in the open groove, and a sealing box is embedded in the open groove. Has the advantages that: when the door body was closed, the fan outwards sucked the air in with the seal groove through trunk line and auxiliary pipeline for in the anticreep was detained and is gone into the seal groove that corresponds, outer door sealing strip and door frame sealing strip can extrude each other, make the sealed effect of transport department improve, reduce freezer and external heat exchange.

Description

Translation formula insulation construction suitable for small-size freezer

Technical Field

The invention relates to the technical field of cold storages, in particular to a translation type heat insulation structure suitable for a small cold storage.

Background

The refrigeration principle of a refrigeration house is similar to that of a refrigerator, but the refrigeration house has a larger refrigeration area, and is commonly used for storing a large amount of vegetables, medicines, flowers and the like, a conventional small refrigeration house does not generally adopt a straight heat preservation door, but a translation type heat preservation door is used, and the translation type heat preservation door cannot be completely sealed with a wall body provided with a transportation port, so that a heat preservation door curtain is additionally arranged outside the translation type heat preservation door in actual use, or a heat preservation sealing strip is arranged between the translation type heat preservation door and a cavity body to reduce heat exchange between the refrigeration house and the outside, but the general heat preservation sealing strip is in a flat shape, after long-time use, aging is often generated to a certain degree, a gap is generated between the two heat preservation sealing strips, the heat preservation performance is deteriorated, in addition, the conventional translation type heat preservation door has a larger weight, a worker needs to use larger force to push the heat preservation door to move, the external space of part of the small refrigeration house is narrower, the heat preservation door is closer to the wall body at two sides, and the heat preservation door is easy to collide with the wall body when the heat preservation door is opened or closed, and therefore, a translation type heat preservation structure suitable for the small refrigeration house is provided.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a translation type heat-insulating door and a wall body cannot be completely sealed, and the heat-insulating performance of an additionally-installed heat-insulating sealing strip is poor after aging, so that the heat exchange between a refrigeration house and the outside is increased, and provides a translation type heat-insulating structure suitable for a small refrigeration house.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a translation formula insulation construction suitable for small-size freezer, includes the wall body, goes up track, lower track and the door body, door body slidable mounting is between last track and lower track, the transportation mouth has been seted up on the wall body, one side that the door body is relative with the wall body is equipped with outer door sealing strip, door frame sealing strip respectively, a plurality of seal grooves have been seted up to the symmetry on the outer door sealing strip, the symmetry is equipped with a plurality of rubber location on the door frame sealing strip and buckles, open groove has been seted up to the bottom of the door body, front side gyro wheel and rear side gyro wheel are installed to open inslot symmetry, open inslot is embedded to be equipped with the seal box, and the seal box is located between front side gyro wheel and the rear side gyro wheel.

Furthermore, the seal box is internally provided with a movable plate in a sealing and sliding mode, a return spring is fixed between one side of the movable plate and the inner wall of the seal box, one side of the movable plate, away from the return spring, is fixedly connected with a pull rope, the pull rope extends out of the seal box, and the bottom of the seal box is symmetrically communicated with two nozzles.

Furthermore, a fan and an anti-collision compartment are arranged on one side of the door body from top to bottom, a first elastic bag is fixedly placed in the anti-collision compartment, and flow guide pipes are communicated among the first elastic bag, the second elastic bag and the seal box.

Further, the front side gyro wheel includes two walking wheels, two interference fit has the axostylus axostyle between the walking wheel, coaxial coupling has the winding barrel on the axostylus axostyle, the one end that the seal box was kept away from to the stay cord is around rolling up in the outside of winding barrel.

Further, two the nozzle is installed pressure valve with the seal box junction, first valve is installed in the outside of first elasticity bag, the second valve is installed in the outside of second elasticity bag, first valve, second valve and two pressure valve all have non return element.

Further, be fixed with contact pick-up on the wall body, contact pick-up and fan electric connection, orbital one end is equipped with the rubber bed course down, and integrated into one piece has a plurality of bar archs on the rubber bed course.

Further, the position of outer door sealing strip and door frame sealing strip is corresponding, and the door frame sealing strip is around establishing in the periphery of transportation mouth, the internal trunk line that is connected with the fan that runs through of door is provided with, every all sealing connection has the secondary pipe between seal groove and the trunk line.

Further, every rubber location is detained and is the butterfly structure, and every rubber location detains the one end homogeneous body shaping of keeping away from the door frame sealing strip and has the anticreep head, every the anticreep head is the cylinder of bowing, and the specification of every seal groove all with the specification phase-match that corresponds the anticreep head.

The invention has the following advantages:

1. when the door body is closed, the fan sucks air in the sealing grooves outwards through the main pipeline and the auxiliary pipeline, so that the anti-tripping device enters the corresponding sealing grooves, the outer door sealing strips and the door frame sealing strips can be extruded mutually, the sealing effect at the conveying opening is improved, and the heat exchange between the refrigeration house and the outside is reduced;

2. the rubber positioning buckle is of a butterfly structure, the butterfly structure ensures that the rubber positioning buckle can be stretched in a small degree, the stretching direction of the rubber positioning buckle is perpendicular to the door frame sealing strip, the anti-falling buckle is a waist-contracting column, and the anti-falling buckle can also slide out of the sealing groove due to the vibration of the door body after the fan is powered off;

3. when the door body moves leftwards, a part of air on the left side of the movable plate enters the second elastic bag to enable the second elastic bag to bulge, the bulged side of the second elastic bag can abut against the side wall to buffer the door body, meanwhile, the front side roller contacts with the rubber pad layer, the door body and the side wall are prevented from being violently impacted due to the fact that a worker applies too much force, and similarly, when the door body moves rightwards, the first elastic bag can collide to buffer the door body;

4. in the moving process of the door body, the nozzles are sprayed outwards, the sprayed air flow is in a certain angle, particles or impurities in the lower rail can be blown away, and the particles or the impurities are far away from the wall body, so that the abrasion between the front side roller and the rear side roller is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic structural view of a translational heat-insulating structure suitable for a small-sized refrigerator according to the present invention;

FIG. 2 is a cross-sectional view of an open slot on a translation type heat insulation structure suitable for a small-sized refrigerator provided by the invention;

FIG. 3 is a schematic diagram of the internal structure of a seal box in the translational heat-insulating structure suitable for a small-sized refrigerator provided by the invention;

FIG. 4 is a schematic structural view of the seal box and the open slot in the other direction in the translational heat-insulating structure suitable for the small-sized refrigerator provided by the invention;

FIG. 5 is a schematic diagram of a back structure of a door body in the translational heat-insulating structure suitable for a small-sized refrigerator provided by the invention;

FIG. 6 is a schematic structural view of a sealing strip of a transportation port and a door frame in a translational heat-insulating structure suitable for a small-sized refrigerator provided by the invention;

fig. 7 is a top view of a sealing groove and a rubber positioning opening in the translational heat-insulating structure suitable for a small-sized refrigerator.

In the figure: the anti-collision device comprises a wall body 1, an upper rail 2, a lower rail 3, a door body 4, a front roller 5, a rear roller 6, a crash box 7, a first elastic bag 8, a first valve 801, a fan 9, an open groove 10, a main pipe 11, a second elastic bag 12, a second valve 1201, a contact sensor 13, a rubber cushion layer 14, a seal box 15, a movable plate 16, a nozzle 17, a return spring 18, a flow guide pipe 19, a take-up reel 20, a pull rope 21, a stop 22, an outer door seal strip 23, a seal groove 24, a transport port 25, a door frame seal strip 26, a rubber positioning buckle 27, an anti-falling head 271 and an auxiliary pipeline 28.

Detailed Description

Referring to fig. 1-2 and 5-6, a translational insulation structure suitable for a small-sized refrigerator comprises a wall body 1, an upper rail 2, a lower rail 3 and a door body 4, wherein the upper rail 2 is mainly used for supporting the door body 4, the lower rail 3 is mainly used for reducing resistance force applied when the door body 4 moves, the door body 4 is slidably mounted between the upper rail 2 and the lower rail 3, a transportation opening 25 is formed in the wall body 1 and can enter and exit the refrigerator through the transportation opening 25, an outer door sealing strip 23 and a door frame sealing strip 26 are respectively arranged on one side of the door body 4 opposite to the wall body 1, a plurality of sealing grooves 24 are symmetrically formed in the outer door sealing strip 23, a plurality of rubber positioning buckles 27 are symmetrically arranged on the door frame sealing strip 26, an open groove 10 is formed in the bottom of the door body 4, the bottom of the open groove 10 is communicated with the outside, a front side roller 5 and a rear side roller 6 are symmetrically mounted in the open groove 10, rotating shafts of the front side roller 5 and the rear side roller 6 are connected with the inner side wall of the open groove 10 through specific bearings, the bearings are not shown, the front side roller 5 and the rear side roller 15 are further arranged between the open groove 10 when friction force applied to reduce the door body 4, and the door is embedded in the rear side roller 15.

Referring to fig. 3-4, a movable plate 16 is arranged in the seal box 15 in a sealing and sliding manner, a return spring 18 is fixed between one side of the movable plate 16 and the inner wall of the seal box 15, a pull rope 21 is fixedly connected to one side of the movable plate 16, which is far away from the return spring 18, the pull rope 21 extends out of the seal box 15, the pull rope 21 can be formed by twisting multiple strands of metal wires, the service life of the pull rope 21 is prolonged, two nozzles 17 are symmetrically communicated with the bottom of the seal box 15, as shown in the figure, the nozzles 17 have specific angles, and when the nozzles 17 spray air outwards, particles and sundries in the lower rail 3 can be blown out of the lower rail 3 and far away from the wall body 1.

Referring to fig. 3-4, a fan 9 and an anti-collision compartment 7 are installed on one side of the door body 4 from top to bottom, the length of the anti-collision compartment 7 is slightly larger than that of the fan 9, when the door body 4 slides rightwards, the distance between the anti-collision compartment 7 and the side wall is small, the fan 9 can be prevented from colliding with the side wall, the fan 9 is protected, a first elastic bag 8 is fixedly placed in the anti-collision compartment 7, and draft tubes 19 are communicated among the first elastic bag 8, a second elastic bag 12 and a seal box 15.

Referring to fig. 3-4, the front roller 5 includes two traveling wheels, a shaft lever is in interference fit between the two traveling wheels, a winding drum 20 is coaxially connected to the shaft lever, one end of the pull rope 21, which is far away from the seal box 15, is wound on the outer side of the winding drum 20, when the door body 4 is closed, the front roller 5 rolls to the left, the pull rope 21 is wound, so that the movable plate 16 slides to the left, the return spring 18 is stretched, when the door body 4 is opened, the front roller 5 rolls to the right, the pull rope 21 is released, and under the action of the return spring 18, the movable plate 16 is reset to the right;

it should be noted that, the left and right directions are both referred to the direction of the lower rail 3 in fig. 4, a stopper 22 is further disposed in the seal box 15, and the stopper 22 limits the maximum displacement distance of the movable plate 16, so as to prevent the movable plate 16 from continuing to move leftward under the inertia effect after the front roller 5 stops rolling, and the left nozzle 17 is blocked.

The connection between the two nozzles 17 and the sealed box 15 is provided with a pressure valve, the outer side of the first elastic bag 8 is provided with a first valve 801, the outer side of the second elastic bag 12 is provided with a second valve 1201, and the first valve 801, the second valve 1201 and the two pressure valves are all provided with check elements, namely, the medium can only flow in one direction in the guide pipe 19 and the two nozzles 17.

Referring to fig. 3 and 7, a contact sensor 13 is fixed on the wall 1, the contact sensor 13 is electrically connected with the fan 9, a delay relay is further connected in series in a circuit where the contact sensor and the fan are located, a rubber cushion layer 14 is arranged at one end of the lower rail 3, a plurality of strip-shaped protrusions are integrally formed on the rubber cushion layer 14, an outer door sealing strip 23 corresponds to a door frame sealing strip 26 in position, the door frame sealing strip 26 is arranged around the periphery of the transportation port 25, a main pipe 11 connected with the fan 9 penetrates through the door 4, and an auxiliary pipe 28 is connected between each sealing groove 24 and the main pipe 11 in a sealing mode.

Referring to fig. 7, each rubber positioning buckle 27 is of a butterfly structure, and an end of each rubber positioning buckle 27 away from the door frame sealing strip 26 is integrally formed with an anti-disengaging head 271, the butterfly structure ensures that the rubber positioning buckle 27 can be stretched in a small range and the stretching direction is perpendicular to the door frame sealing strip 26, each anti-disengaging head 271 is a waisted cylinder, and the specification of each sealing groove 24 is matched with the specification of the corresponding anti-disengaging head 271, so that the anti-disengaging heads 271 of the waisted cylinder structure are arranged, so that the anti-disengaging heads 271 can be fixed with the sealing grooves 24 after entering the corresponding sealing grooves 24, and the possibility of disengagement is reduced.

If the transportation port 25 is arranged on the left side of the wall body 1, the door body 4 moves leftwards to close the transportation port 25, and moves rightwards to open the transportation port 25, when a worker pushes and pulls the door body 4 to move leftwards, the rotation of the front roller 5 drives the pull rope 21 to wind through the winding drum 20, so that the movable plate 16 slides from right to left, and the return spring 18 is stretched;

it should be noted that the first valve 801 and the second valve 1201 only allow the external air to flow into the first elastic bag 8 and the second elastic bag 12, while the pressure valves at the two nozzles 17 only allow the air in the sealed box 15 to flow out from the nozzles 17, and the reverse flow of the medium is not allowed under the action of the check member (the check member is the prior art, the check valve, including the check pressure valve, is convenient to buy in practical use), and in addition, the movable range of the movable plate 16 is located between the two nozzles 17;

a part of air on the left side of the movable plate 16 enters the second elastic bag 12 through the guide pipe 19 to enable the second elastic bag 12 to be bulged, a part of air is ejected outwards through the nozzle 17 on the left side, the ejected air flow is in a certain angle and can blow away particles or impurities in the lower rail 3 and enable the particles or impurities to be far away from the wall body 1, meanwhile, the air in the first elastic bag 8 enters the sealing box 15 to enable the space on the right side of the movable plate 16 to keep constant pressure, when the door body 4 seals the transportation port 25, the bulged side of the second elastic bag 12 can be abutted against the side wall to buffer the door body 4, meanwhile, the front side roller 5 is in contact with the rubber cushion layer 14, and the phenomenon that the door body 4 is violently impacted with the side wall due to excessive force of workers is avoided;

when the door 4 contacts the contact sensor 13, an external controller (not shown) controls the fan 9 to open for a period of time, at this time, the positions of the rubber positioning buckles 27 correspond to the positions of the sealing grooves 24, the fan 9 sucks air in the sealing grooves 24 outwards through the main pipe 11 and the auxiliary pipe 28, because the sectional area of the sealing grooves 24 is small, the gas flow velocity at the notch of the sealing groove 24 is large, a strong negative pressure effect is generated, so that the anti-tripping device 271 enters the corresponding sealing groove 24, the anti-tripping device 271 is a waisted cylinder, after the fan 9 is powered off, the anti-tripping device 271 can also slide out of the sealing groove 24 due to vibration of the door 4, as shown in fig. 7, when the anti-tripping device 271 enters the sealing groove 24, the outer door sealing strip 23 and the door frame sealing strip 26 can be pressed against each other, so that the sealing effect at the transportation port 25 is good, and heat exchange between the refrigeration storage and the outside is reduced;

when the transportation port 25 needs to be opened, a worker pushes and pulls the door body 4 to the right, at this time, the door body 4 is separated from the contact sensor 13, the external controller controls the fan 9 to be opened again for a certain time, in the process, the fan 9 introduces air flow into each sealing groove 24 through the main pipeline 11 and the auxiliary pipeline 28, each anti-drop head 271 is ejected out quickly by the air flow, the rubber positioning buckle 27 is prevented from being subjected to a dislocation acting force in the horizontal direction when the door body 4 moves, the rubber positioning buckle 27 is broken, meanwhile, the winding cylinder 20 releases the pull rope 21, the movable plate 16 is reset to the right under the action of the reset spring 18, correspondingly, air in the second elastic bag 12 enters the sealing box 15 to achieve a balanced pressure, part of the air in the sealing box 15 flows into the first elastic bag 8 to be blown up, the door body 4 is prevented from colliding with a side wall, part of the nozzle 17 flowing to the right side, the lower rail 3 is cleaned again, and particularly, the diameter of the guide pipe 19 is larger than that of the nozzle 17, so that the first elastic bag 8 or the second elastic bag 12 can be fully expanded.

Claims

1. The utility model provides a translation formula insulation construction suitable for small-size freezer, includes wall body (1), last track (2), lower track (3) and door body (4), its characterized in that, door body (4) slidable mounting is between last track (2) and lower track (3), transport mouth (25) have been seted up on wall body (1), one side that door body (4) and wall body (1) are relative is equipped with outer door sealing strip (23), door frame sealing strip (26) respectively, a plurality of seal grooves (24) have been seted up to the symmetry on outer door sealing strip (23), the symmetry is equipped with a plurality of rubber location and detains (27) on door frame sealing strip (26), open groove (10) have been seted up to the bottom of door body (4), preceding side gyro wheel (5) and rear side gyro wheel (6) are installed to open groove (10) internal symmetry, open groove (10) are embedded to be equipped with seal box (15), and seal box (15) are located between preceding side gyro wheel (5) and rear side gyro wheel (6).

2. The translation type heat preservation structure applicable to the small refrigeration houses according to claim 1, wherein a movable plate (16) is arranged in the seal box (15) in a sealing and sliding manner, a return spring (18) is fixed between one side of the movable plate (16) and the inner wall of the seal box (15), a pull rope (21) is fixedly connected to one side, away from the return spring (18), of the movable plate (16), the pull rope (21) extends out of the seal box (15), and two nozzles (17) are symmetrically communicated with the bottom of the seal box (15).

3. The translation type heat-insulating structure suitable for the small-sized refrigerator according to claim 2, wherein a fan (9) and an anti-collision compartment (7) are vertically installed on one side of the door body (4), a first elastic bag (8) is fixedly placed in the anti-collision compartment (7), and flow guide pipes (19) are respectively communicated among the first elastic bag (8), the second elastic bag (12) and the sealing box (15).

4. The translation type heat-insulating structure applicable to the small-sized refrigerator according to claim 2, wherein the front side roller (5) comprises two travelling wheels, a shaft rod is in interference fit between the two travelling wheels, a winding drum (20) is coaxially connected to the shaft rod, and one end of the pull rope (21) far away from the seal box (15) is wound on the outer side of the winding drum (20).

5. The translation type heat preservation structure suitable for the small refrigerator according to claim 3, wherein two pressure valves are installed at the connection positions of the nozzles (17) and the seal boxes (15), a first valve (801) is installed on the outer side of the first elastic bag (8), a second valve (1201) is installed on the outer side of the second elastic bag (12), and the first valve (801), the second valve (1201) and the two pressure valves are all provided with non-return elements.

6. The translation type heat-insulating structure applicable to the small refrigeration houses according to claim 3, wherein a contact sensor (13) is fixed on the wall body (1), the contact sensor (13) is electrically connected with the fan (9), a rubber cushion layer (14) is arranged at one end of the lower rail (3), and a plurality of strip-shaped protrusions are integrally formed on the rubber cushion layer (14).

7. The translation type heat insulation structure suitable for the small refrigerator according to claim 3, wherein the outer door sealing strips (23) correspond to the door frame sealing strips (26), the door frame sealing strips (26) are wound on the periphery of the transportation port (25), a main pipeline (11) connected with a fan (9) penetrates through the door body (4), and an auxiliary pipeline (28) is connected between each sealing groove (24) and the main pipeline (11) in a sealing mode.

8. The translation type heat-insulating structure suitable for small-sized cold storages according to claim 1, wherein each rubber positioning buckle (27) is of a butterfly structure, one end, far away from a door frame sealing strip (26), of each rubber positioning buckle (27) is provided with an anti-falling head (271) in an integrated mode, each anti-falling head (271) is a waisted cylinder, and the specification of each sealing groove (24) is matched with the specification of the corresponding anti-falling head (271).