CN115848791A - Blood preservation and transfer device for blood examination - Google Patents

Abstract

The invention relates to a transfer device, in particular to a blood preservation and transfer device for blood examination. The invention provides a blood preservation and transfer device for blood examination, which can be used for placing a blood bag and a test tube. The utility model provides a blood is examined blood and is preserved transfer device, is equipped with the mechanism that opens and shuts that is used for the protection including preserving case, mechanism and the push-and-pull institution of opening and shutting, preserves the incasement portion and is equipped with the push-and-pull institution that is used for saving blood. More blood bag can be placed to four blood package frames, improves the transfer efficiency, and the test tube frame can be used for placing the test tube that is equipped with blood specially, can carry on spacingly to the test tube, avoids colliding each other between the test tube, so can place according to the storage mode of blood, uses more in a flexible way.

Description

Blood preservation and transfer device for blood examination

Technical Field

The invention relates to a transfer device, in particular to a blood preservation and transfer device for blood examination.

Background

Blood, donor's blood or the blood sample of gathering during the physical examination that provide at some blood stations all need send the clinical laboratory to detect, when transporting blood, will use special blood transfer device to transport, and then protect blood.

The utility model discloses a be CN 21439775U, the application number is CN 202023322781.6's a control by temperature change formula blood transfer case, including top cap, outer box and interior box, there is the top cap at the top of outer box through the hinged mounting, one side of outer box inlays through the mounting groove and is equipped with the thermometer, the interior top layer of outer box bonds through polyurethane glue has the thermal-insulated cotton pad that keeps warm, the internal interior box that is provided with of outer box, mounting groove installation semiconductor refrigeration piece is passed through to one side of interior box, the lower extreme of semiconductor refrigeration piece passes through screw installation temperature controller, be provided with the cavity intermediate layer between interior box and the outer box, the internal storage storehouse that is provided with of interior box, the bottom in storage storehouse is run through and is provided with the hole that leaks, PP cushion is laid to the bottom in the storage storehouse. This novel control by temperature change formula blood transport case function is various, easy operation, and the production of being convenient for has satisfied the multiple demand in the use, is fit for extensively using widely. Although above-mentioned patent can play the effect of refrigeration cooling to the blood bag, nevertheless because of the blood type difference that the required detection was examined to the blood, the mode of normal storage blood can use bagged or test tube storage, and the inconvenient test tube of placing of this patent, if directly place the test tube in the transfer box, can't carry on spacingly to the test tube, can collide each other between test tube and other objects, the condition of blood leakage appears easily, again perhaps the test tube vibrations break, there is the potential safety hazard.

To above problem, make further improvement to the transfer box of this aspect now, need design one kind and can not only place the blood bag and can also place the hematology blood preservation transfer device of test tube.

Disclosure of Invention

In order to overcome the inconvenient shortcoming of placing the test tube of current blood transport case, technical problem: the blood preservation and transfer device can be used for storing blood bags and test tubes.

The technical scheme is as follows: the utility model provides a blood is examined blood and is preserved transfer device, is equipped with the mechanism that opens and shuts that is used for the protection including preserving case, mechanism and the push-and-pull institution of opening and shutting, preserves the incasement portion and is equipped with the push-and-pull institution that is used for saving blood.

Further, the mechanism that opens and shuts is including the chamber door, the apparatus further comprises a rotating shaft, a handle, first dead lever and first elastic component, it has the pivot to preserve case front side bilateral symmetry, equal rotary type is equipped with the chamber door in the pivot, the chamber door all with preserve the case antetheca contact, the equal slidingtype of the anterior inboard of chamber door is equipped with the handle, the handle rear side all is connected with first dead lever, first dead lever all links to each other with the inside slidingtype of chamber door close, all be connected with first elastic component between first dead lever bottom and the chamber door close inside, first dead lever all cooperates with preservation case joint.

Further, push-and-pull mechanism is including the blood package frame, the test tube frame, the handle, first axle bed and first pulley, it is equipped with the blood package frame to keep incasement left side longitudinal symmetry slidingtype, it also is equipped with the blood package frame to keep incasement right side lower part slidingtype, the blood package frame is used for saving the blood bag, it is equipped with two test tube frames to keep incasement right part upside uniform sliding type, the test tube frame all is connected with the handle with blood package frame front side, the equal front and back symmetry in the left and right sides of test tube frame and blood package frame is equipped with first axle bed, equal rotary type is equipped with first pulley on every first axle bed, every first pulley homoenergetic enough rotates along preserving the case.

Further, still including cooling mechanism, cooling mechanism is equipped with the fixing base including cold gas jar, blast pipe, solid fixed ring and fixing base, storage box top rear side, and the rigid coupling has the air conditioning jar that can refrigerate on the fixing base, and the inside back wall of storage box is fixed with the blast pipe through two sets of solid fixed rings, and every solid fixed ring of group totally four, and two sets of solid fixed rings evenly set up respectively on the left and right sides of the back wall of storage box, and the blast pipe links to each other and communicates with each other with the air conditioning jar.

Further, still including bradyseism mechanism, bradyseism mechanism is including the backup pad, second elastic component and apron, it is equipped with the backup pad to preserve incasement right part upside, backup pad bottom evenly is connected with four second elastic components, it also evenly is connected with four second elastic components to preserve incasement top right side, all be connected with the apron that can compress tightly the test tube between four second elastic component bottoms of upside and between four second elastic component bottoms of downside, the apron all is located preserves incasement portion to all contact with close test tube frame.

Further, still including the closing mechanism that can block air conditioning, closing mechanism is including the wedge, baffle and third elastic component, keeps the incasement bilateral symmetry slidingtype to be equipped with the wedge, and the chamber door all can be with close wedge contact through rotating, keeps the incasement rear portion bilateral symmetry slidingtype to be equipped with the baffle, and the baffle all contacts with close wedge, evenly is connected with four third elastic components between baffle and the storage incasement portion, and the baffle is located blast pipe the place ahead to can block the air conditioning export of blast pipe.

Further, including enabling this blood of blood examination preserves transfer device and remove more convenient moving mechanism, moving mechanism is including the secondary shaft seat, the second pulley, the cover shell, the second dead lever, fourth elastic component and pull rod, the equal front and back symmetry of preservation bottom of the case portion left and right sides is equipped with the secondary shaft seat, equal rotary type is equipped with the second pulley on the secondary shaft seat, be equipped with the cover shell on the preservation case back wall, the slidingtype is equipped with the pull rod in the cover shell, the sliding type is equipped with the second dead lever behind cover shell upper portion, be connected with two fourth elastic components between second dead lever and the cover shell, second dead lever and pull rod joint cooperation.

Further, the outer wall of the preservation box is provided with a heat preservation layer.

Compared with the prior art, the invention has the following advantages: 1. the four blood bag frames can be used for placing more blood bags, so that the transfer efficiency is improved, the test tube frames can be specially used for placing test tubes filled with blood, the test tubes can be limited, the test tubes are prevented from colliding with each other, the test tubes can be placed according to the storage mode of the blood, and the blood bag frame is more flexible to use;

2. the storage box is clamped by the first fixing rod, so that the box door can be prevented from being opened by random rotation, and the box is more stable;

3. the cold air can be discharged from the exhaust pipe by the working of the cold air tank, so that the interior of the storage box is in a low-temperature environment, and the death of hot blood cells due to weather inflammation is avoided;

4. when the blood bag or the test tube is taken out, people open the box door, the wedge-shaped block is matched with the baffle plate, the exhaust outlet of the exhaust pipe can be blocked, the cold air is prevented from leaking and being wasted, and the cold air can be normally discharged after the box door is closed, so that the aim of automation is fulfilled;

5. under the effect of second pulley, people are more convenient when removing this device, need not the transport.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the basic right of ownership of the present invention.

Fig. 3 is a schematic perspective view of a part of the opening and closing mechanism of the present invention.

Fig. 4 is a partial perspective sectional structural schematic view of the opening and closing mechanism of the present invention.

Fig. 5 is a schematic perspective view of a part of the push-pull mechanism of the present invention.

Fig. 6 is a schematic perspective view of a part of the push-pull mechanism of the present invention.

Fig. 7 is a schematic perspective view of a cooling mechanism of the present invention.

Fig. 8 is a partial perspective sectional structural schematic view of the cooling mechanism of the present invention.

FIG. 9 is a perspective view of a portion of the cushioning mechanism of the present invention.

Fig. 10 is a perspective view of a portion of the closure mechanism of the present invention.

Fig. 11 is a partial perspective cross-sectional structural schematic view of a first perspective of the closure mechanism of the present invention.

Fig. 12 is a partial perspective cross-sectional structural schematic view of a second perspective of the closure mechanism of the present invention.

Fig. 13 is a partial perspective view of the moving mechanism according to the present invention.

Fig. 14 is a partial perspective view of the second perspective view of the moving mechanism of the present invention.

Fig. 15 is a partial perspective sectional structural schematic view of the moving mechanism of the present invention.

Part names and serial numbers in the figure: 1. the blood bag storage box comprises a storage box body, 3, an opening and closing mechanism, 301, a box door, 302, a rotating shaft, 303, a handle, 304, a first fixing rod, 305, a first elastic piece, 4, a push-pull mechanism, 401, a blood bag frame, 402, a test tube frame, 403, a handle, 404, a first shaft seat, 405, a first pulley, 5, a cooling mechanism, 501, a cold air tank, 502, an exhaust pipe, 503, a fixing ring, 504, a fixing seat, 6, a cushioning mechanism, 601, a supporting plate, 602, a second elastic piece, 603, a cover plate, 7, a closing mechanism, 701, a wedge block, 702, a baffle, 703, a third elastic piece, 8, a moving mechanism, 801, a second shaft seat, 802, a second pulley, 803, a sleeve, 804, a second fixing rod, 805, a fourth elastic piece, 806 and a pull rod.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

A blood preservation and transfer device for blood examination is shown in figures 1-2 and comprises a preservation box 1, an opening and closing mechanism 3 and a push-pull mechanism 4, wherein the opening and closing mechanism 3 is arranged on the front side of the preservation box 1, the push-pull mechanism 4 is arranged inside the preservation box 1, and the outer wall of the preservation box 1 is provided with a heat preservation layer.

As shown in fig. 1, 3 and 4, the opening and closing mechanism 3 includes a door 301, a rotating shaft 302, a handle 303, a first fixing rod 304 and a first elastic member 305, the rotating shaft 302 is welded on the left and right sides of the front side of the storage box 1, the door 301 for protection is arranged on the rotating shaft 302 in a rotating mode, the door 301 is in contact with the front wall of the storage box 1, the handle 303 is arranged on the inner side of the front portion of the door 301 in a sliding mode, the first fixing rod 304 is fixedly connected to the rear side of the handle 303, the first fixing rod 304 is connected with the inside of the adjacent door 301 in a sliding mode, the first elastic member 305 is connected between the bottom of the first fixing rod 304 and the inside of the adjacent door 301, and the first fixing rod 304 is in clamping fit with the storage box 1.

As shown in fig. 2, 5 and 6, the push-pull mechanism 4 includes a blood bag frame 401, a test tube frame 402, a grip 403, a first shaft seat 404 and a first pulley 405, the blood bag frame 401 for placing a blood bag is provided in the storage box 1 in a vertically symmetrical manner, the blood bag frame 401 is also provided in the storage box 1 in a sliding manner at the lower part of the right side, two test tube frames 402 are provided in the storage box 1 in a uniformly sliding manner at the upper side of the right side, the test tube frame 402 is used for placing a test tube filled with blood, the grip 403 is connected to the front sides of the test tube frame 402 and the blood bag frame 401, the first shaft seats 404 are symmetrically welded to the left side and the right side of the test tube frame 402 and the blood bag frame 401 in a front-back manner, a first pulley 405 is provided in each first shaft seat 404 in a rotary manner, and each first pulley 405 can rotate along the storage box 1.

When blood to be tested needs to be transported by using the device, a person can firstly pull the handle 303 downwards to drive the first fixing rod 304 to move downwards, the first elastic piece 305 is compressed along with the first fixing rod, the first fixing rod 304 moves downwards so as not to block the storage box 1, the person can rotate the handle 303 towards the front side, the first fixing rod 304 and the box door 301 are driven to rotate to open the box door 301, then the handle 303 is released, the first fixing rod 304 drives the handle 303 to move upwards to reset under the resetting action of the first elastic piece 305, then the person can place a blood bag needing blood testing in the blood bag frame 401, two modes of storing blood in bags and test tubes are provided due to different blood types of blood needing blood testing, after the blood bag is placed, in order to better place a test tube containing blood, the person can pull the handle 403 on the test tube frame 402 towards the front side, the test tube frame 402 can move towards the front side with the corresponding first shaft seat 404 and first pulley 405 to enable the first shaft seat 405 to rotate, so as to make the first pulley rotate around the first fixing rod 304, the first fixing rod 304 is pushed towards the first fixing rod 304, then the first fixing rod can be pushed towards the first fixing rod 304 and the first elastic piece, the first fixing rod 303, then the first fixing rod can be pushed towards the first fixing rod 303, the first fixing rod can be pushed backwards, the first fixing rod 304, the first shaft seat 405 is pushed backwards, first dead lever 304 alright block and keep in case 1, and then fixed chamber door 301, avoid chamber door 301 to rotate at will and open, so under test tube frame 402 and blood package frame 401's effect, blood bag and test tube can be placed to the gradable, use more in a flexible way, test tube frame 402 can play spacing effect to the test tube, avoid collision each other between the test tube, improved the security, and blood package frame 401 is totally three, can once place more blood bag, improve the transfer efficiency.

Because blood can not exceed 24 hours under the conventional environment, people need to convey blood to a blood examination department through the device for blood examination quickly, or an ice bag is placed in the storage box 1, and the heat preservation layer on the outer wall of the storage box 1 can play a role in heat preservation, after the device is conveyed to a specified clinical laboratory, people can repeat the operation to open the box door 301, pull out the blood bag frame 401 and the test tube frame 402 one by pulling the grip 403, further take out the test tube and the blood bag, move the blood bag frame 401 and the test tube frame 402 more smoothly through the first pulley 405, push the blood bag frame 401 and the test tube frame 402 back into the storage box 1 after the blood bag and the test tube are detached, then close the box door 301, and then finish the blood transportation.

Example 2

On the basis of embodiment 1, as shown in fig. 1, fig. 2, fig. 7 and fig. 8, the air-cooling device further includes a temperature-reducing mechanism 5, the temperature-reducing mechanism 5 includes a cold air tank 501, an exhaust pipe 502, fixing rings 503 and a fixing seat 504, the fixing seat 504 is fixedly connected to the rear side of the top of the storage box 1, the cold air tank 501 is mounted on the fixing seat 504, the exhaust pipe 502 is fixed to the rear wall inside the storage box 1 through two sets of fixing rings 503, four fixing rings 503 are provided for each set, the two sets of fixing rings 503 are respectively and uniformly provided on the left and right sides of the rear wall inside the storage box 1, and the exhaust pipe 502 is connected and communicated with the cold air tank 501.

When blood transports, in order to avoid the blood cell death, need provide a low temperature environment for blood, people can start cold gas jar 501 work, make cold gas jar 501 produce cold air, cold air discharges to preserving case 1 inside through the cold air export of blast pipe 502, can make and preserve 1 inside low temperature environment that is in of case, and then guarantee the fresh and alive of blood, after this device transports the inspection administrative or technical offices, people alright open chamber door 301, then take out test tube and blood bag, it can to close cold gas jar 501 at last.

Shown in fig. 2 and fig. 9, still including bradyseism mechanism 6, bradyseism mechanism 6 is including backup pad 601, second elastic component 602 and apron 603, the upper right side is equipped with backup pad 601 in the preservation case 1, backup pad 601 bottom evenly is connected with four second elastic components 602, top right side also evenly is connected with four second elastic components 602 in the preservation case 1, all be connected with the apron 603 that can avoid the test tube shake between four second elastic components 602 bottom of upside and between four second elastic components 602 bottoms of downside, apron 603 all is located preservation case 1 inside, and all contact with close test tube frame 402.

When a test tube filled with blood is placed in the test tube frame 402, the cover plate 603 can be pushed upwards firstly, the second elastic part 602 is compressed therewith, then people pull out the test tube frame 402, the test tube is uniformly placed in the test tube frame 402, after the test tube is placed, the test tube frame 402 can be pushed back into the storage box 1, then people loosen the cover plate 603, the cover plate 603 moves downwards under the reset action of the second elastic part 602 to reset, and then the test tube is pressed, the test tube can be prevented from shaking up and down in the transferring process, the stability is improved, after the test tube filled with blood is sent to a test department, people can repeat the above operation to push the cover plate 603 upwards, so that the test tube is not pressed tightly any more, then the test tube frame 402 can be pulled out, the test tube is dismounted, after the test tube is dismounted, the test tube frame 402 is pushed back to the original position, then the cover plate 603 is loosened, and the cover plate 603 moves downwards to reset.

As shown in fig. 2, 10, 11 and 12, the refrigerator further includes a closing mechanism 7, the closing mechanism 7 includes a wedge 701, a baffle 702 and a third elastic member 703, the wedge 701 is symmetrically and slidably disposed in the storage box 1, the door 301 can be in contact with the adjacent wedge 701 through rotation, the baffles 702 capable of blocking cold air are symmetrically and slidably disposed in the rear of the storage box 1, the baffles 702 are in contact with the adjacent wedge 701, four third elastic members 703 are uniformly connected between the baffles 702 and the interior of the storage box 1, and the baffles 702 are located in front of the exhaust pipe 502 and can block the cold air outlet of the exhaust pipe 502.

After blood is conveyed to a designated clinical laboratory, people firstly open the box door 301, when the box door 301 is rotated to be opened, the box door will contact with the wedge block 701 and further push the wedge block 701 to move towards the back side, so that the wedge block 701 pushes the baffle 702 to move towards the inside, the third elastic member 703 is stretched along with the baffle, the baffle 702 moves towards the inside so as to block the cold air outlet of the exhaust pipe 502, and further the cold air does not flow out any more, when the blood is transported, a part of blood possibly needs to be sent to different departments, when people lift off the corresponding test tube and blood bag, the baffle 702 blocks the cold air to avoid waste, the cold air tank 501 does not need to be directly closed, when the box door 301 is opened, the cold air can be directly blocked, after the corresponding blood bag and the corresponding cold air tube are lifted off, people close the box door 301 so that the box door 301 does not contact with the wedge block 701 any more, the baffle 702 can move towards the outside under the reset action of the reset of the third elastic member 703, and further push the wedge block the baffle 702 towards the front side, the outlet 702 so as to continue to discharge the fresh blood to be stored in the preservation box 1 for refrigeration, and the preservation.

Fig. 2, fig. 13, fig. 14 and fig. 15 show that the mobile device further includes a moving mechanism 8, the moving mechanism 8 includes a second shaft seat 801, a second pulley 802, a casing 803, a second fixing rod 804, a fourth elastic member 805 and a pull rod 806, the second shaft seat 801 is symmetrically arranged on the left and right sides of the bottom of the storage box 1, the second pulley 802 which can facilitate the movement of the device is rotatably arranged on the second shaft seat 801, a casing 803 is welded on the rear wall of the storage box 1, the pull rod 806 is slidably arranged in the casing 803, the second fixing rod 804 is slidably arranged on the rear side of the upper portion of the casing 803, two fourth elastic members 805 are connected between the second fixing rod 804 and the casing 803, and the second fixing rod 804 is in snap fit with the pull rod 806.

When the device is moved, people directly pull the pull rod 806 to drive the storage box 1 to move, and then the second pulley 802 is driven to rotate, the second pulley 802 rotates to enable the device to move more conveniently, after the device is moved to a specified blood examination part door, people can detach a blood bag and a test tube which need blood examination, when the device is not needed to be used or needs to be transported through a vehicle, people can pack the pull rod 806, when the device is specifically operated, the second fixing rod 804 is pulled towards the rear side firstly, so that the second fixing rod 804 does not block the pull rod 806 any more, the pull rod 806 can be extruded downwards to be packed, the whole occupied space of the device is reduced, after the device is transported to a specified place and the vehicle is unloaded, people can directly pull the pull rod 806 upwards, pull the pull rod 806 back upwards to the initial position and then do not block the second fixing rod 804, the second fixing rod 804 can move forwards under the reset action of the fourth elastic piece 805 to reset the pull rod 806 to block the pull rod 806, and people can move the pull rod 806 laterally and bring the device to move.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the claims appended to the present application.

Claims (8)

1. The utility model provides a blood of blood examination preserves transfer device, is including preserving case (1), its characterized in that, still including mechanism (3) and the push-and-pull institution (4) of opening and shutting, preserves case (1) front side and is equipped with mechanism (3) that opens and shuts that are used for the protection, preserves case (1) inside and is equipped with push-and-pull institution (4) that are used for saving blood.

2. The blood preservation and transfer device for blood examination as claimed in claim 1, wherein the opening and closing mechanism (3) comprises a box door (301), a rotating shaft (302), a handle (303), a first fixing rod (304) and a first elastic member (305), the rotating shaft (302) is symmetrically connected to the left and right of the front side of the preservation box (1), the box door (301) is rotatably arranged on the rotating shaft (302), the box door (301) is in contact with the front wall of the preservation box (1), the handle (303) is slidably arranged on the inner side of the front portion of the box door (301), the first fixing rod (304) is connected to the rear side of the handle (303), the first fixing rod (304) is slidably connected to the inside of the adjacent box door (301), the first elastic member (305) is connected between the bottom of the first fixing rod (304) and the inside of the adjacent box door (301), and the first fixing rod (304) is in clamping fit with the preservation box (1).

3. The blood preservation and transportation device for blood examination according to claim 2, wherein the push-pull mechanism (4) comprises a blood bag frame (401), a test tube frame (402), a handle (403), a first shaft seat (404) and a first pulley (405), the blood bag frame (401) is arranged in the preservation box (1) in a vertically symmetrical and sliding manner on the left side, the blood bag frame (401) is also arranged in the preservation box (1) in a sliding manner on the lower portion of the right side, the blood bag frame (401) is used for storing blood bags, two test tube frames (402) are arranged in the preservation box (1) in a uniformly sliding manner on the upper side of the right side, the handle (403) is connected to the front sides of the test tube frame (402) and the blood bag frame (401), the first shaft seats (404) are symmetrically arranged in the front and back direction on the left side and the right side of the test tube frame (402) and the blood bag frame (401), the first pulley (405) is rotatably arranged on each first shaft seat (404), and each first pulley (405) can rotate along the preservation box (1).

4. The blood preservation and transportation device for hematology tests according to claim 3, further comprising a cooling mechanism (5), wherein the cooling mechanism (5) comprises a cold air tank (501), an exhaust pipe (502), fixing rings (503) and fixing seats (504), the fixing seats (504) are arranged on the rear side of the top of the preservation box (1), the cold air tank (501) capable of refrigerating is fixedly connected to the fixing seats (504), the exhaust pipe (502) is fixed on the inner rear wall of the preservation box (1) through two groups of fixing rings (503), the number of fixing rings (503) in each group is four, the two groups of fixing rings (503) are respectively and uniformly arranged on the left side and the right side of the inner rear wall of the preservation box (1), and the exhaust pipes (502) are connected and communicated with the cold air tank (501).

5. The blood preservation and transportation device for blood examination according to claim 4, further comprising a shock absorption mechanism (6), wherein the shock absorption mechanism (6) comprises a support plate (601), second elastic members (602) and a cover plate (603), the support plate (601) is arranged on the upper side of the right portion in the preservation box (1), four second elastic members (602) are uniformly connected to the bottom of the support plate (601), four second elastic members (602) are also uniformly connected to the right side of the top in the preservation box (1), the cover plate (603) capable of compressing the test tube is connected between the bottoms of the four second elastic members (602) on the upper side and between the bottoms of the four second elastic members (602) on the lower side, the cover plate (603) is located in the preservation box (1) and is in contact with the adjacent test tube frame (402).

6. The blood preservation and transportation device for blood examination as claimed in claim 5, further comprising a closing mechanism (7) capable of blocking cold air, wherein the closing mechanism (7) comprises a wedge block (701), a baffle (702) and a third elastic member (703), the wedge block (701) is arranged in the preservation box (1) in a bilaterally symmetrical sliding manner, the box door (301) can be contacted with the adjacent wedge block (701) through rotation, the baffle (702) is arranged in the preservation box (1) in a bilaterally symmetrical sliding manner at the rear part, the baffle (702) is contacted with the adjacent wedge block (701), four third elastic members (703) are uniformly connected between the baffle (702) and the preservation box (1), and the baffle (702) is positioned in front of the exhaust pipe (502) and can block the cold air outlet of the exhaust pipe (502).

7. The blood preservation and transportation device for blood tests as claimed in claim 6, further comprising a moving mechanism (8) capable of facilitating movement of the blood preservation and transportation device for blood tests, wherein the moving mechanism (8) comprises a second shaft seat (801), a second pulley (802), a casing (803), a second fixing rod (804), a fourth elastic member (805) and a pull rod (806), the second shaft seat (801) is symmetrically arranged on the front and back of the left and right sides of the bottom of the preservation box (1), the second pulley (802) is rotatably arranged on the second shaft seat (801), a casing (803) is arranged on the rear wall of the preservation box (1), the pull rod (806) is slidably arranged in the casing (803), the second fixing rod (804) is slidably arranged on the rear side of the upper portion of the casing (803), two fourth elastic members (805) are connected between the second fixing rod (804) and the casing (803), and the second fixing rod (804) are in clamping fit with the pull rod (806).

8. A blood preservation and transfer device for blood examination according to claim 1, wherein the outer wall of the preservation box (1) is provided with an insulating layer.

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