CN114537854B

CN114537854B - Specimen transfer box

Info

Publication number: CN114537854B
Application number: CN202210437994.8A
Authority: CN
Inventors: 徐延; 张桂荣; 丛芳
Original assignee: Shenyang Stomatological Hospital
Current assignee: Shenyang Stomatological Hospital
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-07-05
Anticipated expiration: 2042-04-25
Also published as: CN114537854A

Abstract

The invention relates to the technical field of medical instruments, in particular to a specimen transfer box, which comprises a refrigerating box body internally provided with low-temperature water, a refrigerating box cover connected with the top of the refrigerating box body in a buckling manner, a net cylinder arranged in the refrigerating box body and used for placing ice cubes or ice bags, a plurality of transfer cylinders arranged in the refrigerating box body and positioned at the periphery of the net cylinder, and a planetary rotating mechanism for driving the net cylinder and the transfer cylinders to rotate in different directions; the planetary rotating mechanism comprises a polished rod, a spiral rod and a pull rod, wherein the polished rod is located at the axis of the net cylinder and fixedly penetrates through the net cylinder, the spiral rod is fixedly arranged at the top end of the polished rod, and the pull rod movably penetrates through the refrigerator cover and is rotationally connected with the spiral rod. The invention provides a refrigeration source through ice cubes or ice bags, realizes quick temperature reduction and refrigeration of samples by using low-temperature water as a heat exchange medium, and improves the heat exchange efficiency of low-temperature water by driving the net barrel and the transfer barrel to rotate in different directions through the planetary rotating mechanism, thereby avoiding heat exchange dead zones.

Description

Specimen transfer box

Technical Field

The invention relates to the technical field of medical instruments, in particular to a specimen transfer box.

Background

Clinically, correct collection, transportation, preservation and handling of specimens are of vital importance to ensure the quality of clinical examination work. Generally, after medical personnel collect according to the characteristic of the sample of gathering, need to transport the sample to the inspection administrative or technical offices through the transport case and inspect. The transport box generally needs to carry out the overall process cold chain transportation to the sample in transit to guarantee the quality of sample testing result.

The utility model patent of publication No. CN208326200U discloses a medical treatment inspection sample transfer box, this transfer box includes insulation box, and insulation box adopts semiconductor refrigerating plant to realize the refrigeration. However, the heat to be dissipated includes the heat released by the pincer effect and the joule heat of the cooling plate itself, and this heat is much larger than the heat absorption capacity of the cold end, so the semiconductor cooling efficiency is low and the energy consumption is high.

Disclosure of Invention

The object of the present invention is to provide a specimen transportation box, which solves the problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a specimen transfer box comprises a refrigeration box body internally provided with low-temperature water, a refrigeration box cover connected with the top of the refrigeration box body in a buckling mode, a net cylinder arranged in the refrigeration box body and used for placing ice cubes or ice bags, a plurality of transfer cylinders arranged in the refrigeration box body and positioned on the periphery of the net cylinder, and a planetary rotating mechanism driving the net cylinder and the transfer cylinders to rotate in different directions;

planetary rotary mechanism is including being located net section of thick bamboo axial department and the fixed polished rod that runs through the net section of thick bamboo, the fixed hob of locating the polished rod top, the activity runs through the refrigerator lid and rotates the pull pole of being connected with the hob, with polished rod bottom key-type connection and with the transmission shaft of refrigerator body bottom inner wall rotation connection, with transmission shaft fixed connection's sun gear, be located a combination pivot that transports section of thick bamboo axial department and fixed run through the transport section of thick bamboo, with combination pivot bottom fixed connection's support, with support bottom fixed connection and with sun gear meshing's planetary gear, with planetary gear fixed connection and with the refrigerator body bottom inner wall rotation driven shaft of being connected, and be located the planetary gear periphery and with planetary gear meshing's ring gear.

Optionally, be equipped with two transport section of thick bamboos that distribute about being in the combination pivot, be located the inner wall fixedly connected with test-tube rack of the transport section of thick bamboo of top, the combination pivot include with the first bull stick that is located the transport section of thick bamboo fixed connection of top to and with the transport section of thick bamboo fixed connection that is located the below and with support fixed connection's second bull stick, first bull stick and the coaxial threaded connection of second bull stick.

Optionally, the upper surface of the gear ring is fixedly connected with a liner barrel, the inner wall of the liner barrel is fixedly connected with a stirring blade, the lower surface of the gear ring is fixedly provided with a universal ball, and a ball of the universal ball is in rolling fit with the bottom inner wall of the refrigerating box body.

Optionally, the inner container barrel is of a round tube structure made of melamine resin, the stirring blades are of a rectangular structure made of melamine resin, the stirring blades are provided with a plurality of groups, the stirring blades of the groups are arranged at equal intervals along the axial direction of the inner container barrel, and the stirring blades in each group are uniformly distributed in an annular manner by taking the axial direction of the inner container barrel as the center.

Optionally, the lower surface of the pull rod is provided with a spiral groove matched with the spiral rod, a return spring is arranged in the net cylinder and at the periphery of the polish rod, and two ends of the return spring are respectively abutted to the lower surface of the pull rod and the bottom inner wall of the net cylinder.

Optionally, the upper end surface of the net cylinder is abutted to the lower surface of the refrigerator cover, a sleeve is fixedly arranged in the net cylinder and outside the pull rod, and the sleeve is in sliding fit with the pull rod.

Optionally, a dynamic seal is fixedly arranged at the center of the refrigerator cover, the dynamic seal is in sliding fit with the pull rod, and the dynamic seal is a mechanical seal.

Optionally, the top end of the refrigerator cover is rotatably connected with a lifting handle, and the top end of the pull rod is fixedly connected with a pull handle above the refrigerator cover.

Optionally, the bottom end of the polished rod is provided with a spline groove, and the top end of the transmission shaft is integrally formed with an external spline matched with the spline groove.

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

1. the invention provides a refrigeration source through ice cubes or ice bags, low-temperature water is used as a heat exchange medium, the rapid cooling and refrigeration of the specimen are realized, the net barrel and the transfer barrel are driven to rotate in different directions through the planetary rotating mechanism, the heat exchange efficiency of low-temperature water is improved, and the occurrence of heat exchange dead zones is avoided;

2. the low-temperature water in the inner side of the inner container cylinder is prevented from exchanging heat with the refrigerating box body through the inner container cylinder, so that the refrigeration loss of the low-temperature water is reduced, the stirring blades are driven by the inner container cylinder to further stir the low-temperature water, the flow of the low-temperature water is accelerated, and the low-temperature water can uniformly refrigerate the transfer cylinder;

3. the sleeve is used for limiting the moving direction of the drawing rod, so that the drawing rod is prevented from deviating, the transmission shaft is connected with the polished rod through the spline, the polished rod can be directly upwards separated from the transmission shaft, and the net cylinder, the polished rod and the screw rod can be conveniently taken out of the refrigerator body as a whole.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is an enlarged view of the portion B of FIG. 1;

FIG. 4 is a top view of the sun gear, planet gears and ring gear of the present invention.

In the figure: 1. a refrigerating box body; 2. a refrigerator cover; 3. a net drum; 4. a transfer drum; 5. a test tube rack; 6. a planetary rotation mechanism; 7. a polish rod; 8. a screw rod; 9. a pull rod; 10. a drive shaft; 11. a sun gear; 12. a combined rotating shaft; 13. a first rotating lever; 14. a second rotating rod; 15. a support; 16. a planetary gear; 17. a driven shaft; 18. a ring gear; 19. an inner container tube; 20. stirring blades; 21. a universal ball; 22. a return spring; 23. a sleeve; 24. dynamic sealing; 25. a handle; 26. and (6) pulling the handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 to 4, the present invention provides a specimen transfer box, which includes a refrigerator body 1 with low temperature water inside, a refrigerator cover 2 connected to the top of the refrigerator body 1 in a snap-fit manner, a mesh cylinder 3 disposed in the refrigerator body 1 and used for placing ice cubes or ice bags, a plurality of transfer cylinders 4 disposed in the refrigerator body 1 and located at the periphery of the mesh cylinder 3, and a planetary rotation mechanism 6 for driving the mesh cylinder 3 and the transfer cylinders 4 to rotate in different directions.

The planetary rotating mechanism 6 comprises a polished rod 7 which is positioned at the axial position of the net cylinder 3 and fixedly penetrates through the net cylinder 3, a screw rod 8 which is fixedly arranged at the top end of the polished rod 7, a pull rod 9 which movably penetrates through the refrigerating box cover 2 and is rotatably connected with the screw rod 8, a transmission shaft 10 which is in key connection with the bottom end of the polished rod 7 and is rotatably connected with the bottom inner wall of the refrigerating box 1, a sun gear 11 which is fixedly connected with the transmission shaft 10, a combined rotating shaft 12 which is positioned at the axial position of the transfer cylinder 4 and is fixedly penetrated through the transfer cylinder 4, a support 15 which is fixedly connected with the bottom end of the combined rotating shaft 12, a planetary gear 16 which is fixedly connected with the bottom end of the support 15 and is meshed with the sun gear 11, a driven shaft 17 which is fixedly connected with the planetary gear 16 and is rotatably connected with the bottom inner wall of the refrigerating box 1, and a gear ring 18 which is positioned at the periphery of the planetary gear 16 and is meshed with the planetary gear 16.

Ice blocks or ice bags are placed in the net barrel 3, low-temperature water with the temperature of 4-8 ℃ is injected into the refrigerating box body 1, and the ice blocks or the ice bags are used as refrigerants to realize rapid temperature reduction of the specimens. The drawing rod 9 is pulled up and down manually, the up-and-down linear movement of the drawing rod 9 is converted into the reciprocating rotary motion of the screw rod 8, the reciprocating rotary motion of the screw rod 8 drives the sun gear 11 to rotate in a reciprocating mode through a planetary gear mechanism consisting of the sun gear 11, the planetary gear 16 and the gear ring 18, the planetary gear 16 rotates in the direction opposite to that of the sun gear 11 under the meshing action of the sun gear 11 and the planetary gear 16, the planetary gear 16 rotates around the driven shaft 17, the planetary gear 16 and the gear ring 18 rotate in the same direction under the meshing action of the planetary gear 16 and the gear ring 18, and the net drum 3 and the transfer drum 4 can rotate in different directions. The net barrel 3 and the transfer barrel 4 rotate in different directions to stir the low-temperature water, so that the heat exchange efficiency of the low-temperature water is improved, and heat exchange dead zones are avoided.

On the basis of above-mentioned embodiment, be equipped with two transport section of thick bamboo 4 that are upper and lower distribution on the combination pivot 12 in this embodiment, the inner wall fixedly connected with test-tube rack 5 of the transport section of thick bamboo 4 that is located the top, test-tube rack 5 is used for placing the sampling tube, and the transport section of thick bamboo 4 that is located the below is used for saving the sample. The combined rotating shaft 12 comprises a first rotating rod 13 fixedly connected with the transfer cylinder 4 positioned above and a second rotating rod 14 fixedly connected with the transfer cylinder 4 positioned below and fixedly connected with a bracket 15, wherein the first rotating rod 13 is coaxially and threadedly connected with the second rotating rod 14. The two transfer cylinders 4 are vertically distributed, so that on one hand, the samples are classified and stored; on the other hand, through the threaded connection of first bull stick 13 with second bull stick 14, can realize two transport section of thick bamboos 4 and dismantle fast, conveniently to the interior sample of packing into of transport section of thick bamboo 4.

On the basis of the above embodiments, in this embodiment, the upper surface of the gear ring 18 is fixedly connected with the inner container tube 19, the inner wall of the inner container tube 19 is fixedly connected with the stirring blade 20, the lower surface of the gear ring 18 is fixedly provided with the universal ball 21, the base of the universal ball 21 is connected with the gear ring 18 through a bolt, and the ball of the universal ball 21 is in rolling fit with the inner wall of the bottom of the refrigerator body 1. The inner container barrel 19 is a round tube-shaped structure made of melamine resin, the stirring blades 20 are rectangular structures made of melamine resin, a plurality of groups of the stirring blades 20 are arranged, the stirring blades 20 are arranged at equal intervals along the axial direction of the inner container barrel 19, and the stirring blades 20 in each group are uniformly distributed in an annular shape by taking the axial direction of the inner container barrel 19 as the center. The low-temperature water can be divided into the part that is located the inside of a liner section of thick bamboo 19 and the part that is located the 19 outsides of a liner section of thick bamboo in refrigerator body 1, and the sample in a transport section of thick bamboo 4 is cooled down and is located the inboard low-temperature water of a liner section of thick bamboo 19, and a liner section of thick bamboo 19 can hinder the low-temperature water that is located the 19 inboards of a liner section of thick bamboo and carry out the heat exchange with refrigerator body 1, reduces low-temperature water refrigeration loss. In addition, the gear ring 18 rotates along with the screw rod 8 in a different direction, and can drive the stirring blade 20 to further stir the low-temperature water, so that the low-temperature water flows, and the low-temperature water can be uniformly refrigerated to transfer the cylinder 4.

On the basis of the above embodiment, the spiral groove matched with the spiral rod 8 is formed in the lower surface of the drawing rod 9 in the embodiment, the return spring 22 is arranged in the net barrel 3 and at the periphery of the polish rod 7, and two ends of the return spring 22 are respectively abutted to the lower surface of the drawing rod 9 and the bottom inner wall of the net barrel 3. The up end of net section of thick bamboo 3 and the lower surface butt of freezer lid 2, just be located pull pole 9 external fixation in the net section of thick bamboo 3 and be equipped with sleeve 23, sleeve 23 and pull pole 9 sliding fit. The sleeve 23 is used for limiting the moving direction of the drawing rod 9 and avoiding the deviation of the drawing rod 9.

On the basis of the above embodiments, the center of the refrigerator cover 2 in this embodiment is fixedly provided with the dynamic seal 24, the dynamic seal 24 is in sliding fit with the pull rod 9, and the dynamic seal 24 is a mechanical seal, which prevents heat exchange between the inside of the refrigerator body 1 and the upper side of the refrigerator cover 2.

On the basis of the above embodiments, the top end of the refrigerator cover 2 in this embodiment is rotatably connected with a handle 25, and the top end of the pull rod 9 and above the refrigerator cover 2 is fixedly connected with a pull handle 26.

On the basis of above-mentioned embodiment, the spline groove has been seted up to the bottom of polished rod 7 in this embodiment, and the top integrated into one piece of transmission shaft 10 has the external splines with spline groove looks adaptation, and polished rod 7 can directly upwards break away from transmission shaft 10, conveniently takes out as a whole net section of thick bamboo 3, polished rod 7 and hob 8 from refrigerating box 1.

According to the invention, a refrigeration source is provided by ice cubes or ice bags, low-temperature water is used as a heat exchange medium, the rapid cooling and refrigeration of the specimen are realized, the net barrel 3 and the transfer barrel 4 are driven to rotate in different directions by the planetary rotating mechanism 6, the heat exchange efficiency of low-temperature water is improved, and the occurrence of heat exchange dead zones is avoided. When dismantling freezer lid 2, lift pull handle 26 earlier, until the hob 8 breaks away from the helicla flute of pull pole 9 completely, then remove the buckle between freezer 1 and the freezer lid 2 and be connected, can take away freezer lid 2 at last for net section of thick bamboo 3 and transport section of thick bamboo 4 expose, conveniently add ice-cube or ice bag in the net section of thick bamboo 3, and add the sample in the transport section of thick bamboo 4. The ice blocks or the ice bags are directly made by the medical ice making machine or are obtained by the market, and the price is low.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a specimen transfer box which characterized in that: the ice-making machine comprises a refrigerating box body (1) with low-temperature water inside, a refrigerating box cover (2) connected with the top of the refrigerating box body (1) in a buckling mode, a net cylinder (3) arranged in the refrigerating box body (1) and used for placing ice cubes or ice bags, a plurality of transfer cylinders (4) arranged in the refrigerating box body (1) and located on the periphery of the net cylinder (3), and a planetary rotating mechanism (6) for driving the net cylinder (3) and the transfer cylinders (4) to rotate in different directions;

the planetary rotating mechanism (6) comprises a polished rod (7) which is positioned at the axle center of the net cylinder (3) and fixedly penetrates through the net cylinder (3), a screw rod (8) which is fixedly arranged at the top end of the polished rod (7), a pull rod (9) which movably penetrates through the refrigerating box cover (2) and is rotatably connected with the screw rod (8), a transmission shaft (10) which is connected with the bottom end key of the polished rod (7) and is rotatably connected with the bottom inner wall of the refrigerating box body (1), a sun gear (11) which is fixedly connected with the transmission shaft (10), a combined rotating shaft (12) which is positioned at the axle center of the transferring cylinder (4) and fixedly penetrates through the transferring cylinder (4), a support (15) which is fixedly connected with the bottom end of the combined rotating shaft (12), a planetary gear (16) which is fixedly connected with the bottom end of the support (15) and is meshed with the sun gear (11), and a driven shaft (17) which is fixedly connected with the planetary gear (16) and is rotatably connected with the bottom inner wall of the refrigerating box body (1), and a ring gear (18) that is located on the outer periphery of the planetary gear (16) and that meshes with the planetary gear (16).

2. A specimen transport box according to claim 1, wherein: be equipped with two transport section of thick bamboo (4) that distribute about being on combination pivot (12), be located inner wall fixedly connected with test-tube rack (5) of the transport section of thick bamboo (4) of top, combination pivot (12) include with the transport section of thick bamboo (4) fixed connection's that is located the top first bull stick (13) to and with the transport section of thick bamboo (4) fixed connection who is located the below and with support (15) fixed connection's second bull stick (14), first bull stick (13) and second bull stick (14) coaxial thread connection.

3. A specimen transport box according to claim 1, wherein: the upper surface fixed connection of ring gear (18) has a liner section of thick bamboo (19), the inner wall fixed connection of a liner section of thick bamboo (19) stirs leaf (20), the lower fixed surface of ring gear (18) is equipped with universal ball (21), the ball of universal ball (21) and the end inner wall roll cooperation of refrigerator body (1).

4. A specimen transport box according to claim 3, wherein: the inner container barrel (19) is of a round tube structure made of melamine resin, the stirring blades (20) are of a rectangular structure made of melamine resin, a plurality of groups of stirring blades (20) are arranged in an equidistant mode along the axial direction of the inner container barrel (19), and the stirring blades (20) in each group are uniformly distributed in an annular mode with the axis of the inner container barrel (19) as the center.

5. A specimen transport box according to claim 1, wherein: the lower surface of the pull rod (9) is provided with a spiral groove matched with the spiral rod (8), the periphery in the net barrel (3) and located on the polish rod (7) is provided with a return spring (22), and two ends of the return spring (22) are respectively abutted to the lower surface of the pull rod (9) and the bottom inner wall of the net barrel (3).

6. A specimen transport box according to claim 1, wherein: the upper end face of the net cylinder (3) is abutted to the lower surface of the refrigerator cover (2), a sleeve (23) is fixedly arranged in the net cylinder (3) and located outside the pull rod (9), and the sleeve (23) is in sliding fit with the pull rod (9).

7. A specimen transport box according to claim 1, wherein: the refrigerator is characterized in that a dynamic seal (24) is fixedly arranged at the center of the refrigerator cover (2), the dynamic seal (24) is in sliding fit with the drawing rod (9), and the dynamic seal (24) is a mechanical seal.

8. A specimen transport box according to claim 1, wherein: the top of refrigerator case lid (2) rotates and is connected with handle (25), the top of pull pole (9) just is located the top fixedly connected with pull handle (26) of refrigerator case lid (2).

9. A specimen transport box according to claim 1, wherein: the bottom of polished rod (7) has seted up the spline groove, the top integrated into one piece of transmission shaft (10) has the external splines of the spline groove looks adaptation.