阅读说明：本技术 一种可变式冷藏车 (Variable refrigerator car ) 是由 沈周 于 2020-12-19 设计创作，主要内容包括：本发明涉及冷藏车及其配件领域,具体而言,涉及一种可变式冷藏车；所述一种可变式冷藏车,包括冷藏车箱体和设置在所述冷藏车箱体内的空心安装板和移动部；所述冷藏车箱体的内壁开设有若干滑动轨道；所述移动部的一端与所述空心安装板固定连接,另一端可滑动地设置在所述滑动轨道内；推动所述空心安装板,所述移动部沿所述滑动轨道滑动,以改变所述空心安装和所述冷藏车箱体的侧壁的距离；通过改变所述空心安装板和搜书冷藏车箱体侧壁的距离改变所述冷藏车箱体内部的制冷空间。(The invention relates to the field of refrigerated vehicles and accessories thereof, in particular to a variable refrigerated vehicle; the variable refrigerated vehicle comprises a refrigerated vehicle box body, a hollow mounting plate and a moving part, wherein the hollow mounting plate and the moving part are arranged in the refrigerated vehicle box body; the inner wall of the refrigerator car body is provided with a plurality of sliding tracks; one end of the moving part is fixedly connected with the hollow mounting plate, and the other end of the moving part is slidably arranged in the sliding track; pushing the hollow mounting plate, and enabling the moving part to slide along the sliding rail so as to change the distance between the hollow mounting plate and the side wall of the refrigerator car body; and the refrigerating space in the refrigerator wagon body is changed by changing the distance between the hollow mounting plate and the side wall of the refrigerator wagon body for searching books.)

1. A variable refrigerated vehicle is characterized by comprising a refrigerated vehicle box body, a hollow mounting plate and a moving part, wherein the hollow mounting plate and the moving part are arranged in the refrigerated vehicle box body;

the inner wall of the refrigerator car body is provided with a plurality of sliding tracks;

one end of the moving part is fixedly connected with the hollow mounting plate, and the other end of the moving part is slidably arranged in the sliding track; wherein

The hollow mounting plate is pushed, and the moving part slides along the sliding rail to change the distance between the hollow mounting plate and the side wall of the refrigerator car body.

2. A variable refrigerated vehicle according to claim 1,

the moving part comprises a plurality of hoisting frames fixed at the upper end of the hollow mounting plate, hoisting wheels arranged at two sides of the hoisting frames, a plurality of moving frames fixed at the bottom of the hollow mounting plate and moving wheels arranged on the moving frames;

the sliding rail comprises a first sliding rail arranged on the upper end surface in the refrigerator car and a second sliding rail arranged on the lower bottom surface in the refrigerator car;

the first slide rails correspond to the hoisting frames one by one, and the hoisting wheels are clamped in the first slide rails;

the second slide rails correspond to the moving frames one by one, and the moving wheels are clamped in the second slide rails; wherein

And pushing the hollow mounting plate to enable the hollow mounting plate to move towards the end part of the box body.

3. A variable refrigerated vehicle according to claim 2,

the lifting frame is a U-shaped frame, and mounting shafts are arranged at two ends of the lifting frame;

the hoisting wheel is rotatably sleeved on the mounting shaft;

the hollow mounting plate is fixedly connected with the side face of the hoisting frame.

4. A variable geometry refrigerated vehicle as claimed in claim 3,

the movable frame is a notch-shaped support

The movable frame comprises a first vertical plate fixedly connected with the hollow mounting plate and a first transverse plate clamped in the second sliding rail;

the first vertical plate is vertically fixed on the first transverse plate;

the movable wheel is fixed at the bottom of the first transverse plate.

5. A variable geometry refrigerated vehicle as claimed in claim 4,

the hollow mounting plate comprises a vacuum box body arranged in the hollow mounting plate, fixing plates arranged on two sides of an inner cavity of the vacuum box body and a support frame erected between the fixing plates;

the supporting frame comprises a connecting rod and a plurality of supporting rods which are circumferentially arranged at the end part of the connecting rod;

the fixed plate is provided with a plurality of positioning grooves, wherein

When the inner cavity of the vacuum box body is vacuumized, the end part of the supporting rod is suitable for abutting against the bottom surface of the positioning groove.

6. A variable geometry refrigerated vehicle as claimed in claim 5 wherein,

positioning holes are formed in two ends of the connecting rod;

the variable refrigerated vehicle further comprises a positioning column arranged at the center of the fixing plate; wherein

The positioning column is inserted in the positioning hole.

7. A variable geometry refrigerated vehicle as claimed in claim 6,

the side wall of the positioning hole is provided with a plurality of limiting grooves;

the side wall of the positioning column is provided with a plurality of limiting edges; wherein

The limiting edge is inserted in the limiting groove.

8. The working method of a variable refrigerator car according to any one of claims 1 to 7, comprising a refrigerator car body and a hollow mounting plate arranged in the refrigerator car body;

the hollow mounting plate is pushed to change the space in the refrigerator car body.

Technical Field

The invention relates to the field of refrigerated vehicles and accessories thereof, in particular to a variable refrigerated vehicle.

Background

The patent of chinese patent CN203511428U proposes an LNG refrigerator car, which provides high-quality cold air for the refrigerator car by using a large amount of cold energy released by LNG in the rewarming and gasifying stages, and solves the problem of refrigeration of the refrigerator car without additional energy consumption, thereby greatly improving the comprehensive utilization rate of energy and reducing the operation cost of the refrigerator car. The utility model discloses with evaporimeter direct mount in cold-stored railway carriage to install equipment such as leakage sensor, alarm, defroster, vaporizer, storage cryogen case, temperature sensor and temperature controller additional, not only simple structure, cold energy run off for a short time, refrigeration effect are good, the security performance of refrigerator car is high moreover, the working costs is low, and is energy-concerving and environment-protective.

However, the space for refrigerated transportation in the refrigerator car provided by the above patent is certain, the compressor needs to be operated at full power when the goods are transported every time, and when the goods transported in the refrigerator car are fewer, the consumed energy and the consumed energy are the same as those consumed in full load, which is not beneficial to production and operation.

Disclosure of Invention

The invention aims to provide a variable refrigerated vehicle, which is used for changing a refrigerated space in the refrigerated vehicle.

In order to achieve the purpose, the invention provides a variable refrigerated vehicle which comprises a refrigerated vehicle box body, a hollow mounting plate and a moving part, wherein the hollow mounting plate and the moving part are arranged in the refrigerated vehicle box body; the inner wall of the refrigerator car body is provided with a plurality of sliding tracks; one end of the moving part is fixedly connected with the hollow mounting plate, and the other end of the moving part is slidably arranged in the sliding track; wherein pushing the hollow mounting plate, the moving portion slides along the slide rail to change the distance between the hollow mounting plate and the side wall of the refrigerator car body.

Further, the moving part comprises a plurality of hoisting frames fixed at the upper end of the hollow mounting plate, hoisting wheels arranged at two sides of the hoisting frames, a plurality of moving frames fixed at the bottom of the hollow mounting plate and moving wheels arranged on the moving frames; the sliding rail comprises a first sliding rail arranged on the upper end surface in the refrigerator car and a second sliding rail arranged on the lower bottom surface in the refrigerator car; the first slide rails correspond to the hoisting frames one by one, and the hoisting wheels are clamped in the first slide rails; the second slide rails correspond to the moving frames one by one, and the moving wheels are clamped in the second slide rails; wherein the hollow mounting plate is pushed to move towards the end part of the box body.

Further, the hoisting frame is a U-shaped frame, and mounting shafts are arranged at two ends of the hoisting frame; the hoisting wheel is rotatably sleeved on the mounting shaft; the hollow mounting plate is fixedly connected with the side face of the hoisting frame.

Furthermore, the movable frame is an annular bracket and comprises a first vertical plate fixedly connected with the hollow mounting plate and a first transverse plate clamped in the second slide rail; the first vertical plate is vertically fixed on the first transverse plate; the movable wheel is fixed at the bottom of the first transverse plate.

Further, the hollow mounting plate comprises a vacuum box body arranged in the hollow mounting plate, fixing plates arranged on two sides of an inner cavity of the vacuum box body and a support frame erected between the fixing plates; the supporting frame comprises a connecting rod and a plurality of supporting rods which are circumferentially arranged at the end part of the connecting rod; the fixing plate is provided with a plurality of positioning grooves, and when the inner cavity of the vacuum box body is vacuumized, the end parts of the supporting rods are suitable for abutting against the bottom surfaces of the positioning grooves.

Furthermore, positioning holes are formed in two ends of the connecting rod; the variable refrigerated vehicle further comprises a positioning column arranged at the center of the fixing plate; wherein the positioning column is inserted in the positioning hole.

Furthermore, the side wall of the positioning hole is provided with a plurality of limiting grooves; the side wall of the positioning column is provided with a plurality of limiting edges; wherein the limiting edge is inserted in the limiting groove.

The invention also provides a working method of the variable refrigerator car, which comprises a refrigerator car body and a hollow mounting plate arranged in the refrigerator car body; the hollow mounting plate is pushed to change the space in the refrigerator car body.

Compared with the prior art, the invention has the following beneficial effects: through promoting hollow mounting panel changes the hollow mounting panel for the distance of the inner wall of refrigerator car box to change the refrigerated space in the refrigerator car.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a convertible refrigerated vehicle according to the invention;

FIG. 2 is a schematic view showing the internal structure of a convertible refrigerator car according to the present invention;

FIG. 3 shows an enlarged view of a portion of FIG. 2A of a convertible refrigerated vehicle of the present invention;

FIG. 4 is a schematic view showing a locking part of a convertible refrigerator car according to the present invention;

FIG. 5 is a schematic view of a movable frame of a convertible refrigerator car according to the present invention;

FIG. 6 shows a cross-sectional interior view (I) of a hollow mounting plate of a convertible refrigerated vehicle according to the invention;

FIG. 7 is an enlarged fragmentary view of B in FIG. 6 of a variable capacity refrigerated vehicle of the present invention;

FIG. 8 shows a cross-sectional interior view (II) of a hollow mounting plate of a convertible refrigerated vehicle according to the invention;

FIG. 9 is a schematic view of a mounting plate of a convertible refrigerator car according to the present invention;

FIG. 10 is a schematic view of a support frame structure of a convertible refrigerator car according to the present invention;

FIG. 11 is a schematic view of the U-shaped hitch plate of a convertible refrigerator car of the present invention;

in the figure:

1. a refrigerated vehicle cabinet; 101. a first slide rail; 1011. a horizontal locking hole; 1012. a vertical locking hole; 102. a second slide rail;

2. a hollow mounting plate; 201. an air pressure hole; 202. a vacuum box body; 203. a fixing plate; 2031. positioning a groove; 204. a support frame; 2041. a connecting rod; 2041a, a screw sleeve; 2041b, connecting bolts; 2042. a strut; 205. positioning holes; 2051. a limiting groove;

3. a hoisting frame; 301. hoisting wheels; 302. installing a shaft; 3021. locking the through hole;

4. a movable frame; 401. a moving wheel; 402. a first transverse plate; 403. a first vertical plate;

5. cleaning a shovel;

6. a locking portion; 601. an adjusting bracket; 602. a conical moving block; 603. a sliding groove; 604. adjusting the bolt; 605. an adjustment hole;

7. horizontally locking the needle;

8. a vertical locking pin;

9. elastic rubber dots;

10. a positioning column; 1001. a limiting edge;

11. a U-shaped clamping and connecting plate; 1101. an arc-shaped opening plate; 1102. positioning a plate;

12. a clamping column; 1201. fixing a column; 1202. clamping the sleeve; 1203. a clamping disk.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In order to facilitate understanding of the related technical features of the present application, the related technical solutions in the present application are explained, when the daily refrigerator car transports goods to be refrigerated, the quantity of the goods to be refrigerated by the refrigerator car is not necessary, and the refrigerating space of the daily refrigerator car is fixed no matter how many goods are transported by the refrigerator car. The compressor of the refrigerator car always needs to refrigerate the interior of the refrigerator car body, and the work of the compressor on the refrigerator car depends on the engine of the car, so that the load of the engine is increased.

Example 1

As shown in fig. 1 to 11, the present invention provides a convertible refrigerator car, comprising a refrigerator car body 1, a hollow mounting plate 2 and a moving part, which are arranged in the refrigerator car body 1; the interior of the carriage of the refrigerator car is provided with an interlayer, and a heat preservation medium is filled in the interlayer.

In some embodiments, the thermal insulation medium may be, but is not limited to, a ceramic thermal insulation board, an EPS foam board, polystyrene foam, glass wool, or the like.

In some embodiments, the inner wall of the refrigerator car body 1 is provided with a plurality of sliding rails; one end of the moving part is fixedly connected with the hollow mounting plate 2, and the other end of the moving part is slidably arranged in the sliding track; wherein the hollow mounting plate 2 is pushed and the moving portion slides along the slide rail to change the distance between the hollow mounting plate 2 and the side wall of the refrigerator car body 1.

In some embodiments, the hollow mounting plate 2 is slid in the refrigerator car body 1 to change the distance between the hollow mounting plate 2 and the side wall of the inside of the refrigerator car body 1, so as to change the space refrigerated inside the refrigerator car body 1; when the goods needing to be refrigerated in the refrigerator car body 1 are few, the space needing to be refrigerated in the refrigerator car is changed, the working load of the compressor is reduced, the oil consumption of the refrigerator car is reduced, and energy conservation and emission reduction are achieved.

In some embodiments, the moving part comprises a plurality of hoisting frames 3 fixed at the upper end of the hollow mounting plate 2 and a moving frame 4 arranged at the bottom of the hollow mounting plate 2; through hoist and mount frame 3 with the removal portion makes have a plurality of removal ends on the hollow mounting panel 2, can be in hollow mounting panel 2 is in when the refrigerator car is inside to be removed, the removal that can be stable.

In some embodiments, the first slide rails 101 correspond to the hoisting frame 3 one by one, the hoisting wheels 301 on two sides of the hoisting frame 3 are clamped in the first slide rails 101; the second slide rails 102 correspond to the moving frame 4 one by one, a plurality of moving wheels 401 are arranged on the moving frame 4, and the moving wheels 401 are clamped in the second slide rails 102; the hoisting wheel 301 is clamped in the first slide rail 101, and the moving wheel 401 is clamped in the second slide rail 102; the hollow mounting plate 2 is allowed to move along the first slide rail 101 and the second slide rail 102, and the hollow mounting plate 2 is prevented from rotating while moving.

In some embodiments, the hoisting frame 3 is a U-shaped frame, and the two ends of the hoisting frame 3 are provided with mounting shafts 302; the hoisting wheel 301 is rotatably sleeved on the mounting shaft 302; the hollow mounting plate 2 is fixedly connected with the side face of the hoisting frame 3.

In some embodiments, by providing the hoisting frame 3 in a U-shape, material can be saved and processing is facilitated.

In some embodiments, the side wall area of the lifting frame 3 is large, and the hollow mounting plate 2 can be stably fixed by fixedly connecting the side wall of the lifting frame 3 with the side wall of the hollow mounting plate 2.

In some embodiments, the movable frame 4 is a loop-shaped support, and the movable frame 4 includes a first vertical plate 403 fixedly connected to the hollow mounting plate 2 and a first horizontal plate 402 clamped in the second slide rail 102; the first vertical plate 403 is vertically fixed to the first horizontal plate 402.

In some embodiments, the mass of the hollow mounting plate 2 is large, and the movable frame 4 at the bottom of the hollow mounting plate 2 needs high strength to support the hollow mounting plate 2; by fixing the hollow mounting plate 2 between the first horizontal plate 402 and the first vertical plate 403, at this time, the hollow mounting plate 2 is fixed to the bottom of the hollow mounting plate 2 through the first horizontal plate 402, and the side wall of the hollow mounting plate 2 is fixed through the first vertical plate 403.

In some embodiments, the first cross plate 402 and the first vertical plate 403 are both made of high strength metal; the preparation material can be but is not limited to high-strength metals such as high-strength steel, titanium alloy, aluminum alloy and the like.

In some embodiments, the moving wheel 401 is fixed to the bottom of the first horizontal plate 402; the hollow mounting plate 2 is convenient to move by arranging the moving wheel 401 at the bottom of the hollow mounting plate 2.

In some embodiments, the convertible refrigerator car further comprises a cleaning shovel 5, and the cleaning shovel 5 is fixed to both ends of the first cross plate 402; the cleaning shovel 5 is slidably clamped in the second slide rail 102.

In some embodiments, during normal use of the refrigerator car, water vapor may accumulate in the second slide rail 102 and move in the second slide rail 102 by the cleaning blade 5 to clean the second rail.

In some embodiments, the variable refrigerated vehicle further comprises a locking part 6 arranged on the sling 3 and horizontal locking needles 7 arranged at two ends of the sling 3 in a mirror image manner; a plurality of horizontal locking holes 1011 are formed in the two sides of the first sliding rail 101 in a mirror image manner; wherein the locking portion 6 is adapted to drive the horizontal locking pin 7 into the horizontal locking hole 1011.

In some embodiments, when the hoisting frame 3 moves in the first slide rail 101, the position of the hoisting frame 3 needs to be located, a plurality of horizontal locking holes 1011 are arranged in the first slide rail 101, the horizontal locking holes 1011 correspond to the hollow mounting plate 2 at different positions, and the horizontal locking pins 7 are inserted into the corresponding horizontal locking holes 1011 to locate the position of the hollow mounting plate 2.

In some embodiments, the mounting shaft 302 defines a locking through hole 3021; the horizontal locking needle 7 can slidably pass through the locking through hole 3021; through set up on the installation axle 302 locking through hole 3021, can not influence the hoist and mount wheel 301 is in the normal removal in the first slide rail 101, and can pass through horizontal locking needle 7 is followed stretch out in the locking through hole 3021, can be in during the hoist and mount wheel 301, will horizontal locking needle 7 inserts horizontal locking hole 1011, the position of the current hollow mounting panel 2 of location.

In some embodiments, the locking portion 6 comprises an adjusting frame 601 disposed on the hoisting frame 3 and a tapered moving block 602 slidably sleeved on the adjusting frame 601; two sides of the conical moving block 602 are provided with sliding grooves 603 in a mirror image manner; the end of the horizontal locking needle 7 is slidably clamped in the sliding groove 603.

In some embodiments, the adjustment bracket 601 is facilitated by providing the sling 3 in a U-shape.

In some embodiments, the horizontal locking pin 7 is moved relative to the tapered block by sliding the tapered block on the adjustment bracket 601 to extend or retract the horizontal locking pin 7 into the mounting shaft 302.

In some embodiments, the adjusting frame 601 has a plurality of adjusting holes 605, and the locking portion 6 further includes an adjusting bolt 604, so as to position the tapered moving block 602 when the adjusting bolt 604 is inserted into the adjusting holes 605.

In some embodiments, the bottom surface of the first slide rail 101 is provided with a plurality of vertical locking holes 1012; the refrigerator car body 1 further comprises a vertical locking needle 8 arranged on the conical moving block 602; wherein the tapered moving block 602 is adapted to push the vertical locking pin 8 to be inserted into the vertical locking hole 1012.

In some embodiments, the end of the vertical locking pin 8 is provided with an elastic rubber point 9, and the elastic rubber point 9 abuts against the groove bottom surface of the vertical locking hole 1012; the hollow mounting plate 2 is prevented from shaking after being locked by the elastic rubber points 9.

In some embodiments, when the tapered moving block 602 moves towards the bottom surface of the first sliding track 101, the vertical locking pin 8 is inserted into the vertical locking hole 1012.

In some embodiments, the hollow mounting plate 2 is provided with an air pressure hole 201 to equalize the air pressure inside the hollow mounting plate 2.

In some embodiments, the hollow mounting plate 2 comprises a vacuum box 202 arranged in the hollow mounting plate 2, fixing plates 203 arranged at two sides of an inner cavity of the vacuum box 202, and a support frame 204 spanned between the fixing plates 203; the inner wall of the hollow mounting plate 2 is attached to the inner side wall of the vacuum box 202, when the vacuum box 202 is vacuumized, the vacuum box 202 is deformed under the action of gas pressure, and at the moment, a gap is possibly formed between the side wall of the vacuum box 202 and the side wall of the hollow mounting plate 2, so that the air enters the gap between the vacuum box 202 and the hollow mounting plate 2, and the heat insulation effect of the vacuum box 202 is affected.

In some embodiments, the support frame 204 includes a connecting rod 2041 and a plurality of struts 2042 circumferentially disposed at ends of the connecting rod 2041; the fixing plate 203 is provided with a plurality of positioning grooves 2031.

In some embodiments, the fixing plate 203 is fixed on the inner wall of the vacuum chamber 202 for reinforcing the structural strength of the vacuum chamber 202; by providing a plurality of fixing plates 203, the structural strength of the vacuum chamber 202 can be effectively increased.

In some embodiments, when the vacuum is drawn from the interior of the vacuum housing 202, the end of the rod 2042 is adapted to abut against the bottom surface of the positioning slot 2031; at this time, the vacuum box 202 is subjected to the action force of the atmospheric pressure, if there is only one acting point of the fixing plate 203, other parts of the fixing plate 203 will deform, and the plurality of support rods 2042 are circumferentially arranged at the end of the connecting rod 2041, so that the acting points on the fixing plate 203 are increased, the fixing plate 203 is conveniently supported, and the structural strength of the vacuum box 202 is enhanced.

In some embodiments, the two ends of the connecting rod 2041 are provided with positioning holes 205; the variable refrigerated vehicle further comprises a positioning column 10 arranged at the center of the fixing plate 203; wherein the positioning column 10 is inserted into the positioning hole 205.

In some embodiments, when the connecting rod 2041 is disposed on the fixing plate 203, in order to prevent the connecting rod 2041 from falling off the fixing plate 203, the positioning column 10 is inserted into the positioning hole 205 to fix the connecting rod 2041 on the fixing plate 203.

In some embodiments, the sidewall of the positioning hole 205 is provided with a plurality of limiting grooves 2051; the side wall of the positioning column 10 is provided with a plurality of limiting edges 1001; the limiting edge 1001 is inserted into the limiting groove 2051.

In some embodiments, when the vacuum chamber 202 is vacuumized, a portion of the fixing plate 203 may deform under the action of atmospheric pressure, and the position of the fixing plate 203 that deforms is unknown, so that the connecting rod 2041 may rotate when the fixing plate 203 deforms, and the positioning column 10 is prevented from rotating in the positioning hole 205 by the limiting rib 1001.

In some embodiments, the connecting rod 2041 includes a screw housing 2041a and connecting bolts 2041b screwed at both ends of the screw housing 2041 a.

In some embodiments, the size of the vacuum box 202 is designed according to the specification of the hollow mounting plate 2, and when the hollow mounting plate 2 is actually installed, in order to make the vacuum box 202 fit the inner wall of the hollow mounting plate 2, the length of the connecting rod 2041 is adjusted when the vacuum box 202 is installed, so that the connecting rod 2041 can push the inner wall of the vacuum box 202, and the outer wall of the vacuum box 202 fits the inner cavity of the hollow mounting plate 2.

In some embodiments, the ends of the struts 2042 are fixedly connected to the side walls of the connecting bolts 2041 b; the end of the connecting bolt 2041b is provided with a positioning hole 205; the end of the supporting rod 2042 is arranged at the end of the connecting bolt 2041b, so that the supporting rod 2042 can be infinitely close to the positioning groove 2031 on the positioning plate 1102 all the time when the connecting rod 2041 is adjusted; meanwhile, the end of the supporting rod 2042 is provided with a hole, so that when the screw sleeve 2041a is prevented from rotating, the connecting bolt 2041b rotates to prevent the connecting bolt 2041b from extending out by a proper length.

In some embodiments, the convertible refrigerator car further comprises a U-shaped clamping plate 11 disposed on the side surface of the vacuum box 202 and a plurality of clamping columns 12 disposed on the side wall of the inner cavity of the hollow mounting plate 2; a clamping groove is formed in the U-shaped clamping plate 11; the clamping column 12 is clamped in the clamping groove.

In some embodiments, when the vacuum chamber 202 is vacuumized, all parts of the vacuum chamber 202 are compressed by gas pressure, and the sides of the vacuum chamber 202 are supported by the connecting rod 2041 when the gas pressure is applied, and when the two ends of the vacuum chamber 202 are subjected to gas pressure and the hollow mounting plate 2 is erected in the hollow mounting plate 2, the two ends of the vacuum chamber 202 are fixed by the mounting posts, so as to prevent the two ends of the vacuum chamber 202 from being deformed by force.

In some embodiments, the U-shaped clamping plate 11 comprises an arc-shaped plate 1101 and a positioning plate 1102 arranged on the same side of the arc-shaped plate 1101 in a mirror image manner; the positioning plate 1102 is fixedly connected with the side surface of the vacuum box 202; the end of the arc-shaped opening plate 1101 is provided with a clamping groove.

In some embodiments, the positioning plate 1102 is used to fix the position of the arc-shaped opening plate 1101, and the positioning plate 1102 and the arc-shaped opening plate 1101 are connected to form a U-shape, and the end of the fixing column 1201 is adapted to be clamped between the arc-shaped opening plate 1101 and the positioning plate 1102.

In some embodiments, the clamping column 12 includes a fixing column 1201 fixed on the inner side wall of the hollow mounting plate 2, a clamping sleeve 1202 screwed on the fixing column 1201, and a clamping disc 1203 arranged at the end of the clamping sleeve 1202; the clamping sleeve 1202 is clamped with the arc-shaped port plate 1101.

In some embodiments, as the clamping sleeve 1202 rotates, the distance of the clamping disk 1203 relative to the side wall of the hollow mounting plate 2 changes; the size of the vacuum box 202 needs to be changed according to the size of the hollow mounting plate 2, and the clamping sleeve 1202 is adjusted so that the clamping disk 1203 can be clamped in the arc plate 1101 of the vacuum box 202.

During the working process, the vacuum box 202 is vacuumized by an air compressor, at this time, the air pressure hole 201 of the hollow mounting plate 2 is communicated with foreign air, the atmospheric pressure can exert a pressure on the vacuum box 202, and the support rod 2042 and the connecting bolt 2041b can support the fixing plate 203 to protect the vacuum box 202 and prevent the vacuum box 202 from deforming under the action of atmospheric pressure and generating a gap with the hollow mounting plate 2; after the vacuum box body 202 is vacuumized, the hollow mounting plate 2 is pushed, the hoisting wheel 301 and the moving wheel 401 respectively move in the first sliding rail 101 and the second sliding rail 102, when the hollow mounting plate 2 moves to a set position, the tapered moving block 602 is pushed, the horizontal locking needle 7 is inserted into the horizontal locking hole 1011, the vertical locking needle 8 is inserted into the vertical locking hole 1012 and is fixed through the adjusting bolt 604, so that the refrigerating space in the refrigerator car body 1 is changed.

On the basis of the embodiment 1, the invention also provides a working method of the variable refrigerated vehicle, which comprises a refrigerated vehicle body 1 and a hollow mounting plate 2 arranged in the refrigerated vehicle body 1; the hollow mounting plate 2 is pushed to change the inner space of the refrigerator car body 1.

In summary, the present invention changes the distance between the hollow mounting plate 2 and the inner wall of the refrigerator car body 1 by pushing the hollow mounting plate 2, so as to change the space inside the refrigerator car for cooling.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.