CN114258907A - Medicine sample low temperature refrigeration plant - Google Patents
Medicine sample low temperature refrigeration plant Download PDFInfo
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- CN114258907A CN114258907A CN202111680281.6A CN202111680281A CN114258907A CN 114258907 A CN114258907 A CN 114258907A CN 202111680281 A CN202111680281 A CN 202111680281A CN 114258907 A CN114258907 A CN 114258907A
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Abstract
The invention discloses a low-temperature refrigeration device for medical specimens, which comprises a transparent glass cylinder for hermetically displaying the medical specimens and filling formalin, wherein a through hole is formed in the lower surface of the transparent glass cylinder, a non-perfect spherical shell is connected with the transparent glass cylinder in a limiting and rotating mode through the through hole, a first shaft is arranged right below the non-perfect spherical shell, worm gear teeth are uniformly distributed on the first shaft in an arc-shaped contour close to the bottom, a first supporting seat is arranged behind the first shaft, a worm penetrates through the first supporting seat, teeth on the worm are in transmission meshing with teeth on the worm gear teeth, and an annular plate is fixedly sleeved on the first shaft in the arc-shaped contour close to the top. According to the invention, through the matching use of the mechanisms, the problem that the traditional low-temperature refrigeration equipment is difficult to realize multi-angle observation effect and bring inconvenience to use because the traditional low-temperature refrigeration equipment is difficult to meet the requirements of various medical specimens in the actual use process is solved.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to low-temperature refrigeration equipment for medical specimens.
Background
The specimen is an animal, plant, mineral, etc., and can be preserved for a long time and maintain the original appearance as much as possible after various treatments, thereby providing the specimen for exhibition, demonstration, education, identification, examination and other various researches. Wherein the low temperature refrigeration extends the specimen's length of time of exhibition by reducing the rate of biochemical reactions and the rate of changes caused by microorganisms; most of traditional medical specimens are Chinese herbal medicine specimens, and sugar content and various nutritional tissue components contained in the Chinese herbal medicine are different;
traditional cryogenic storage is difficult to satisfy the demand of various medicine specimens, and especially traditional cryogenic storage equipment also is difficult to realize the effect of multi-angle observation, brings the inconvenience for the use.
Disclosure of Invention
The invention aims to provide a low-temperature refrigeration device for medical specimens, which has the advantages of wide refrigeration range, multi-angle observation and periodical treatment of tissue residues in the specimens and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a medicine sample low temperature refrigeration plant, includes and seals the show and fill the transparent glass section of thick bamboo that has formalin to the medicine sample, the through-hole has been seted up to the lower surface of transparent glass section of thick bamboo and is connected with the spherical shell of non-completeness through the spacing rotation of this through-hole, be equipped with axle one under the spherical shell of non-completeness, evenly distributed has the worm-gear tooth on the arc profile that is close to the bottom on the axle one, the rear of axle one is equipped with supporting seat one, run through on the supporting seat one and be equipped with the worm, tooth on the worm and the tooth transmission meshing on the worm-gear tooth.
Fixed cover has annular plate one on the arc profile that is close to the top on the axle one, the upper surface fixed connection of annular plate one has two supporting seats of two symmetries, two the surface of supporting seat two all through connection has axle two, the both ends of axle two all with the inner wall fixed connection of incomplete spherical shell, the central line of axle two coincides with the horizontal central line that passes an axle centre of sphere, the last fixed surface of incomplete spherical shell is connected with the show shelf that consolidates the support to the sample, spacing sliding connection has semiconductor refrigeration piston board about the inner wall that is close to the top on the transparent glass section of thick bamboo, the air duct that the through-hole was seted up at the top of transparent glass section of thick bamboo and carried out the cold air supply to transparent glass section of thick bamboo upper portion space through-hole fixed connection.
Preferably, the first shaft is further provided with an auxiliary device for rotating and adjusting the incomplete spherical shell in the vertical direction in the transparent glass cylinder, the auxiliary device comprises a rectangular hole formed in the end part of the worm, a rectangular rod is axially limited and slidably connected in the rectangular hole, a connecting ring is limited and rotatably connected on the rectangular rod, a rotating arm is rotatably connected on the connecting ring through a pin shaft, the top of the rotating arm is rotatably connected with a lifting rod through a pin shaft, the top of the lifting rod is fixedly connected with a second annular plate which axially moves up and down on the first shaft, a first pressure spring is arranged on the first shaft and close to the arc contour of the top, two ends of the first pressure spring are fixedly connected with opposite surfaces of the first annular plate and the second annular plate, the upper surface of the lifting rod is provided with a lifting column, the surface of the lifting column penetrates through the annular plates and is in sliding connection with the first annular plate in an up-down limiting manner, the top of the lifting column is fixedly connected with a toothed plate, teeth on the toothed plate are meshed with a driven gear, and the inner wall of the driven gear is fixedly connected with the surface of the second shaft.
Preferably, the surface of the second shaft close to the middle is fixedly sleeved with a connecting cylinder, two ends of the connecting cylinder are fixedly connected with torsion springs, and one end of the torsion spring, far away from the connecting cylinder, is fixedly connected with the surface of the second supporting seat.
Preferably, a cleaning device for cleaning precipitates in formalin liquid is arranged on the display frame and comprises a transmission swing arm arranged on the display frame and close to the bottom surface, elastic bristles are fixedly connected to the lower surface of the transmission swing arm, a truncated cone-shaped base matched with a non-perfect spherical shell is fixedly connected to the bottom of the inner wall of the transparent glass cylinder, a through hole is formed in the lower surface of the transparent glass cylinder, a collecting pipe is fixedly connected into the through hole, the top of the collecting pipe penetrates through the upper surface, close to the edge, of the truncated cone-shaped base, and a blocking ring for preventing the precipitates from leaking to the bottom of the inner wall of the transparent glass cylinder is fixedly connected to the arc-shaped contour of the truncated cone-shaped base.
Preferably, be equipped with the pressure device who carries out gaseous replenishment to a transparent glass section of thick bamboo upper portion space on the annular plate one, pressure device includes the tubular casing of fixed surface connection on the annular plate one, the side fixedly connected with lift pressure arm of lift post, the bottom of lift pressure arm runs through the upper surface and the fixedly connected with piston ring of tubular casing, the piston ring is the spacing slip of axial in the tubular casing, fixedly connected with check valve one in air inlet and this air inlet has been seted up on the arc profile of tubular casing, and this air inlet is linked together with external cold air source, the arc profile that is close to the rear side on the tubular casing is through-connected with the bottom of air duct, the inner wall fixedly connected with of air duct and check valve one complex check valve two.
Preferably, be equipped with the discharging device who discharges the precipitate on the collecting pipe, discharging device includes the support fixed at the collecting pipe inner wall, the lower fixed surface of support is connected with pressure spring two, the bottom fixedly connected with seal block of pressure spring two, the arc profile of seal block and the inner wall looks adaptation that is close to the bottom on the collecting pipe, the bottom of collecting pipe is extended to the bottom of seal block, the last fixed surface of annular plate two is connected with the extrusion curved boom of contact bottom the seal block.
Preferably, the surface of the rectangular rod is fixedly connected with two limiting rings, and the opposite surfaces of the two limiting rings are movably connected with the surface of the connecting ring.
Preferably, the arc-shaped contour of the transparent glass cylinder is provided with a through hole, and a one-way valve III for supplementing formalin liquid in the transparent glass cylinder is fixedly connected with the through hole.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the medical specimen is fixed on the display rack to be basically fixed, and formalin solution is filled in the transparent glass cylinder to immerse the medical specimen in the transparent glass cylinder, so that the specimen is preserved;
the rotation of show shelf in a transparent glass section of thick bamboo is driven through incomplete spherical shell for medicine sample on the show shelf also can rotate along with it, and then realizes the observation effect of multi-angle, and the rotation through axle one drives the rotation of annular plate one, supporting seat two and axle two, makes incomplete spherical shell can carry out the rotation on the horizontal direction in a transparent glass section of thick bamboo.
The worm gear meshed with the worm rotates along with the fixed shaft of the shaft I, and the shaft I can be arranged on the external support frame in the actual use process so as to ensure that the shaft I is sufficiently supported in the rotating process;
the transparent glass cylinder is divided into an upper part and a lower part by the semiconductor refrigeration piston plate, the transparent glass cylinder can refrigerate formalin solution under the transparent glass cylinder, and simultaneously, the semiconductor refrigeration piston plate is slowly moved downwards along with the continuous increase of gas in the upper space of the transparent glass cylinder, so that the lower space of the transparent glass cylinder is in a high-pressure state, a medical specimen in the high-pressure state can be better stored, and meanwhile, the formalin solution in the high-pressure state is easier to spray;
through the arrangement of the auxiliary device, the medical specimen can be further rotationally adjusted in a vertical space, so that the rotational adjustment of the medical specimen is more sufficient;
through the arrangement of the cleaning device, the precipitate generated in the long-term use process of the formalin solution can be intensively cleaned and collected, so that the influence of the precipitate on the specimen observation is avoided;
through the arrangement of the pressurizing device, on one hand, the protection effect on the sample is improved, and on the other hand, the subsequent sediment is convenient to spray and transfer;
through the arrangement of the discharging device, the sediment can be conveniently unlocked and released after the annular plate II rises to the limit position;
through the cooperation use between the above-mentioned mechanism, solved in the in-service use process, because traditional cryogenic refrigeration is difficult to satisfy the demand of various medicine specimens, especially traditional cryogenic refrigeration equipment also is difficult to realize the effect of multi-angle observation, gives the problem that the use is inconvenient.
Drawings
FIG. 1 is a perspective view of a transparent glass cylinder of the present invention;
FIG. 2 is a front cross-sectional view of a non-fully spherical shell of the present invention;
FIG. 3 is a perspective view of the attachment ring of the present invention;
FIG. 4 is a perspective view of a second annular plate of the present invention;
FIG. 5 is a front cross-sectional view of the tubular housing of the present invention;
FIG. 6 is a front cross-sectional view of a bottom portion of a collection tube according to the present invention;
FIG. 7 is a side cross-sectional view of the bottom portion of the airway tube of the present invention.
In the figure: 1. a transparent glass cylinder; 2. a non-perfect spherical shell; 3. a first shaft; 4. worm gear teeth; 5. a first supporting seat; 6. a worm; 7. a first annular plate; 8. a second supporting seat; 9. a second shaft; 10. a display shelf; 11. a semiconductor refrigeration piston plate; 12. an air duct; 13. a rectangular bar; 14. a connecting ring; 15. a rotating arm; 16. a lifting rod; 17. a second annular plate; 18. a first pressure spring; 19. a lifting column; 20. a toothed plate; 21. a driven gear; 22. a connecting cylinder; 23. a torsion spring; 24. a transmission swing arm; 25. elastic bristles; 26. a base in the shape of a truncated cone; 27. a collection pipe; 28. a barrier ring; 29. a tubular housing; 30. lifting and lowering the press arm; 31. a piston ring; 32. a one-way valve I; 33. a second one-way valve; 34. a support; 35. a second pressure spring; 36. a sealing block; 37. a limiting ring; 38. a one-way valve III; 39. the bent arm is pressed.
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 one
The invention provides a technical scheme that: the utility model provides a medicine sample low temperature refrigeration plant, includes to the medicine sample sealed show and fill with the transparent glass section of thick bamboo 1 of formalin, in transparent glass section of thick bamboo 1, fill formalin solution for medicine sample submergence wherein, makes the sample obtain the anticorrosive effect.
The lower surface of the transparent glass cylinder 1 is provided with a through hole and is connected with a non-perfect spherical shell 2 in a limiting and rotating mode through the through hole, a first shaft 3 is arranged under the non-perfect spherical shell 2, worm gear teeth 4 are uniformly distributed on the first shaft 3 and close to the arc-shaped contour of the bottom, a first supporting seat 5 is arranged behind the first shaft 3, a worm 6 penetrates through the first supporting seat 5, the teeth on the worm 6 are in transmission meshing with the teeth on the worm gear teeth 4, the worm 6 rotates through a fixed shaft on the first supporting seat 5 in a manual rotating mode, the worm gear teeth 4 meshed with the worm 6 drive the fixed shaft of the first shaft 3 to rotate along with the fixed shaft, in the practical use process, the first shaft 3 can be arranged on an external supporting frame, and therefore the first shaft can be sufficiently supported in the rotating process. The arc-shaped profile of the non-perfect spherical shell 2 may be provided with a corrosion-resistant rubber sheet to ensure a sealing effect during use.
The fixed cover is close to on the arc profile at top on the axle 3 and is had annular plate one 7, the last fixed surface of annular plate one 7 is connected with two supporting seats two 8 of symmetry, the surface of two supporting seats two 8 all through connection has axle two 9, the both ends of axle two 9 all with the inner wall fixed connection of incomplete spherical shell 2, the central line of axle two 9 with pass the coincidence of the horizontal central line of axle one 3 centre of sphere, the rotation through axle one 3 drives annular plate one 7, the rotation of supporting seat two 8 and axle two 9, make incomplete spherical shell 2 can carry out the ascending rotation of horizontal direction in transparent glass section of thick bamboo 1.
The upper surface of the incomplete spherical shell 2 is fixedly connected with a display frame 10 for reinforcing and supporting the specimen, the medical specimen is fixed on the display frame 10 to be basically fixed, the display frame 10 is driven to rotate in the transparent glass cylinder 1 by the incomplete spherical shell 2, so that the medical specimen on the display frame 10 can also rotate along with the medical specimen, and further the multi-angle observation effect is realized, the upper part and the lower part of the inner wall of the transparent glass cylinder 1, which is close to the top, are in limited sliding connection with a semiconductor refrigeration piston plate 11, the transparent glass cylinder 1 is divided into an upper part and a lower part by the semiconductor refrigeration piston plate 11, the transparent glass cylinder 1 can perform refrigeration operation on formalin solution under the transparent glass cylinder 1, and simultaneously, along with the continuous increase of gas in the upper space of the transparent glass cylinder 1, the semiconductor refrigeration piston plate 11 also slowly moves downwards, so that the lower space of the transparent glass cylinder 1 can be in a high-pressure state, the medical specimen under high pressure can be better preserved, and the formalin solution under high pressure is easier to spray. The semiconductor refrigeration piston plate 11 is a piston plate made of semiconductor refrigeration sheets and is powered by an external power supply.
The through-hole has been seted up at the top of transparent glass section of thick bamboo 1 and through-hole fixedly connected with carry out the air duct 12 of cold air supply to transparent glass section of thick bamboo 1 upper portion space, transmit the upper portion space of cold air to transparent glass section of thick bamboo 1 through air duct 12 in, further improve the refrigeration effect in the transparent glass section of thick bamboo 1, maintain low temperature environment.
Example two
Basically the same as the first embodiment, further: still be equipped with on the axle 3 and carry out the auxiliary device that rotates the regulation to incomplete spherical shell 2 in a transparent glass section of thick bamboo 1 on the vertical direction, through auxiliary device's setting, can make medicine sample further rotate the regulation in vertical space for medicine sample's rotation regulation can be more abundant.
The auxiliary device comprises a rectangular hole formed in the end portion of the worm 6, a rectangular rod 13 is connected in the rectangular hole in an axial limiting sliding mode, a connecting ring 14 is connected in the rectangular rod 13 in a limiting rotating mode, a rotating arm 15 is connected to the connecting ring 14 in a rotating mode through a pin shaft, the top of the rotating arm 15 is connected with a lifting rod 16 through a pin shaft in a rotating mode, the top of the lifting rod 16 is fixedly connected with a second annular plate 17 which moves in an axial lifting mode on a first shaft 3, a first pressure spring 18 is arranged on an arc-shaped contour, close to the top, of the first shaft 3, two ends of the first pressure spring 18 are fixedly connected with opposite faces of the first annular plate 7 and the second annular plate 17, a lifting column 19 is arranged on the upper surface of the lifting rod 16, the surface of the lifting column 19 penetrates through the first annular plate 7 and is connected with the first annular plate 7 in an up-down limiting sliding mode, a toothed plate 20 is fixedly connected to the top of the lifting column 19, teeth on the toothed plate 20 are meshed with a driven gear 21, and the inner wall of the driven gear 21 is fixedly connected with the surface of the second shaft 9.
Refer to fig. 1, 2, 3 and 4.
By rotating the rectangular rod 13, the rectangular rod 13 can drive the fixed shaft of the worm 6 on the worm 6 to rotate through the rectangular hole on the worm 6, and simultaneously, by pushing and pulling the rectangular rod 13, the rectangular rod 13 can axially slide on the worm 6 relative to the rectangular hole on the worm 6, because the connecting ring 14 is in limited rotary connection on the rectangular rod 13, namely the connecting ring 14 can rotate at the fixed position on the rectangular rod 13 and cannot axially slide, when the connecting ring 14 is axially pushed and pulled, the connecting ring 14 on the connecting ring can synchronously move, and because of the friction between the rectangular rod 13 and the inner wall of the rectangular hole on the worm 6, under the condition of no external force application, the rectangular rod 13 and the worm 6 can complete the self-locking effect;
referring to fig. 1, when the rectangular rod 13 moves towards the worm 6, the lifting rod 16 moves upwards with the second annular plate 17 under the rotation cooperation of the rotating arm 15, and the movement track of the lifting rod 16 is limited because the second annular plate 17 can only move axially on the first shaft 3;
referring to fig. 4, the second annular plate 17 moves upwards along with the second annular plate 17, so that the lifting column 19 on the second annular plate 17 synchronously carries the toothed plate 20 to move upwards, and the driven gear 21 meshed with the toothed plate 20
The second shaft 9 is driven to rotate on the second supporting seat 8, and two ends of the second shaft 9 are fixedly connected with the inner wall of the incomplete spherical shell 2, so that the rotation of the second shaft 9 can synchronously drive the incomplete spherical shell 2 to rotate, and thus, the horizontal rotation and the vertical rotation of the incomplete spherical shell 2 in the transparent glass cylinder 1 can be realized and are independently adjusted;
furthermore, a connecting cylinder 22 is fixedly sleeved on the surface of the second shaft 9 close to the middle part, two ends of the connecting cylinder 22 are fixedly connected with torsion springs 23, and one ends of the torsion springs 23 far away from the connecting cylinder 22 are fixedly connected with the surface of the second support seat 8.
Refer to figure four.
Through the arrangement of the connecting cylinder 22 and the torsion spring 23, the bottom of the lifting column 19 can be always kept in close contact with the upper surface of the second annular plate 17 under the action of the elastic force of the torsion spring 23; when the second annular plate 17 moves downwards, the lifting column 19 also moves downwards in a step-by-step manner under the action of the elastic force of the torsion spring 23;
EXAMPLE III
Basically the same as the second embodiment, further: be equipped with the cleaning device of the interior precipitate of clearance formalin liquid on show shelf 10, through cleaning device's setting, can carry out the clearance that concentrates with the precipitate that formalin solution long-term use in-process produced and collect, avoid the precipitate to cause the influence to the sample observation.
Cleaning device is including setting up the transmission swing arm 24 that is close to the bottom on the surface on show shelf 10, the lower fixed surface of transmission swing arm 24 is connected with elastic brush hair 25, the round platform shape base 26 of the bottom fixedly connected with of 1 inner wall of transparent glass section of thick bamboo and the adaptation of 2 looks of incomplete spherical casing, fixedly connected with collecting pipe 27 in through-hole and this through-hole has been seted up to the lower surface of transparent glass section of thick bamboo 1, the top of collecting pipe 27 runs through the upper surface that is close to the edge on the round platform shape base 26, fixedly connected with prevents that the precipitate from leaking the ring 28 that blocks on the bottom of 1 inner wall of transparent glass section of thick bamboo on the arc profile of round platform shape base 26.
Referring to fig. 2, the non-perfect spherical shell 2 drives the display frame 10 to rotate synchronously, when the display frame 10 rotates in the horizontal direction, the driving swing arm 24 thereon will drive the elastic brush bristles 25 to move synchronously, and since the elastic brush bristles 25 can be elastically deformed, even if the driving swing arm 24 deflects, the driving swing arm can keep contact with the upper surface of the truncated cone-shaped base 26; meanwhile, along with the rotation of the elastic brush bristles 25, the sediment falling on the truncated cone-shaped base 26 can be cleaned, and due to the guiding arrangement of the arc-shaped surface on the truncated cone-shaped base 26, the sediment on the truncated cone-shaped base 26 can slide to the edge of the base along the trend, and at the edge, the sediment continuously passes through the upper part of the collecting pipe 27 through the cleaning of the elastic brush bristles 25, and then falls into the collecting pipe 27;
finally, the sediment collected in the collection tube 27 is collectively transferred. Through the arrangement of the stopping ring 28, the sediment falling on the truncated cone-shaped base 26 can be remained at the edge of the arc-shaped surface on the truncated cone-shaped base 26 and can not fall on the bottom of the inner wall of the transparent glass cylinder 1.
Example four
Basically the same as the third embodiment, further:
be equipped with on the annular plate 7 and carry out the pressure device that gas supplyed to 1 upper portion space of transparent glass section of thick bamboo, through pressure device's setting, improve the protective effect to the sample on the one hand, on the other hand makes things convenient for the injection of follow-up precipitate to shift.
The pressurizing device comprises a tubular shell 29 fixedly connected to the upper surface of a first annular plate 7, a lifting pressure arm 30 is fixedly connected to the side surface of the lifting column 19, the bottom of the lifting pressure arm 30 penetrates through the upper surface of the tubular shell 29 and is fixedly connected with a piston ring 31, the piston ring 31 axially slides in the tubular shell 29 in a limiting mode, an air inlet is formed in the arc-shaped outline of the tubular shell 29, a first check valve 32 is fixedly connected to the inside of the air inlet, the air inlet is communicated with an external cold air source, the arc-shaped outline, close to the rear side, of the tubular shell 29 is connected with the bottom of the air guide pipe 12 in a penetrating mode, and a second check valve 33 matched with the first check valve 32 is fixedly connected to the inner wall of the air guide pipe 12.
Refer to fig. 4 and 5.
The lifting column 19 is lifted relative to the first annular plate 7, so that the second annular plate 17 is also lifted relative to the tubular shell 29 on the first annular plate 7, and the lifting pressure arm 30 on the lifting column 19 is synchronously lifted relative to the tubular shell 29;
referring to fig. 5, the tubular housing 29 is divided into an upper space and a lower space by the piston ring 31, when the lifting pressure arm 30 moves down with the piston ring 31, the air pressure in the lower space increases, the high-pressure air is transferred to the upper space of the transparent glass cylinder 1 through the air duct 12 and the second check valve 33 in the air duct 12, and conversely, the cold air in the external air source is pumped into the lower space of the tubular housing 29 through the first check valve 32, so that the air in the space is supplemented;
so reciprocal for during the continuous replenishment of the upper portion space to transparent glass section of thick bamboo 1 of cold air in the external air source, make the atmospheric pressure in the transparent glass section of thick bamboo 1 upper portion space increase on the one hand, on the other hand can make this part cold air can strengthen the refrigeration effect, maintains microthermal cold-stored environment.
The above-mentioned external air source can be understood as connecting the valve components of cold air valve, etc., and the other end of the valve is used for refrigerating operation by refrigerating equipment, and the structure of said portion is common knowledge and public content, so that it is not described in detail.
EXAMPLE five
Basically the same as the fourth embodiment, further:
be equipped with the discharging device who discharges the precipitate on the collecting pipe 27, through discharging device's setting, conveniently rise to extreme position department back at annular plate two 17, realize the unblock release to the precipitate.
The discharging device comprises a support 34 fixed on the inner wall of the collecting pipe 27, a second pressure spring 35 is fixedly connected to the lower surface of the support 34, a sealing block 36 is fixedly connected to the bottom of the second pressure spring 35, the arc-shaped contour of the sealing block 36 is matched with the inner wall, close to the bottom, of the collecting pipe 27, the bottom of the sealing block 36 extends out of the bottom of the collecting pipe 27, and an extruding bent arm 39 in contact with the bottom of the sealing block 36 is fixedly connected to the upper surface of the second annular plate 17.
With reference to fig. 6 and 2, the above-mentioned reasons regarding the falling of the sediment into the collection pipe 27 are not repeated herein;
after the sediments are stored in a centralized way at the bottom of the collecting pipe 27, a professional operator can place the collecting barrel right below the collecting pipe 27, then, the rectangular rod 13 is manually operated, so that after the pressing bent arm 39 on the second annular plate 17 moves upwards to the extreme position, the upper surface of the pressing bent arm 39 can be contacted with the bottom of the sealing block 36, after overcoming the elasticity of the second pressure spring 35, the arc-shaped contour of the sealing block 36 is separated from the inner wall of the collecting pipe 27 close to the bottom, a gap is generated immediately after the separation, through the gap, the sediment accumulated at the bottom of the collecting pipe 27 can be easily washed out by the high-pressure formalin in the transparent glass cylinder 1, the sediment is transferred, after the reverse operation, namely, under the action of the elastic force of the second pressure spring 35, the sealing block 36 is sealed with the inner wall of the collecting pipe 27, and the formalin solution does not flow out any more.
Later on in daily observation, the visitor can realize the observation to the medicine sample and the gaseous replenishment of transparent glass section of thick bamboo 1 upper portion space through operation rectangular rod 13, and in the in-service use process, can set up the relief valve at transparent glass section of thick bamboo 1 top to conveniently discharge the air in the transparent glass section of thick bamboo 1 upper portion space at any time.
Further, two limiting rings 37 are fixedly connected to the surface of the rectangular rod 13, and opposite surfaces of the two limiting rings 37 are movably connected with the surface of the connecting ring 14.
Referring to fig. 3, the stability of the connection ring 14 in the limited rotational connection on the rectangular rod 13 can be further ensured by the arrangement of two limiting rings 37 on the rectangular rod 13.
Further, a through hole is formed on the arc-shaped contour of the transparent glass cylinder 1, and a one-way valve third 38 for supplementing formalin liquid in the transparent glass cylinder 1 is fixedly connected through the through hole.
Referring to fig. 1, through the arrangement of the third check valve 38, the formalin solution in the transparent glass cylinder 1 can be conveniently supplemented regularly to meet the requirement of daily use.
In practice, the lower surface of the transparent glass cylinder 1 is provided with a gasket which is in contact with the outer contour of the non-perfect spherical shell 2, and the gasket is coated with formaldehyde which can eliminate and neutralize accidental leakage so as to ensure the safety in daily use.
The working principle is as follows: when the medical specimen low-temperature refrigeration equipment is used, the medical specimen is basically fixed by fixing the medical specimen on the display rack 10, and formalin solution is filled in the transparent glass cylinder 1 to immerse the medical specimen in the formalin solution, so that the specimen is preserved;
drive the rotation of show shelf 10 in a transparent glass section of thick bamboo 1 through incomplete spherical casing 2 for medicine sample on the show shelf 10 also can rotate along with it, and then realizes the observation effect of multi-angle, and the rotation through axle one 3 drives the rotation of annular plate one 7, two 8 of supporting seats and two 9 of axle, makes incomplete spherical casing 2 can carry out the ascending rotation of horizontal direction in a transparent glass section of thick bamboo 1.
The worm 6 is rotated on the fixed shaft of the support seat I5 by manual rotation, the worm gear teeth 4 meshed with the worm 6 drive the fixed shaft of the shaft I3 to rotate along with the worm gear teeth, and in the actual use process, the shaft I3 can be arranged on an external support frame to ensure that the shaft I has enough support in the rotation process;
the transparent glass cylinder 1 is divided into an upper part and a lower part through the semiconductor refrigeration piston plate 11, the transparent glass cylinder 1 can refrigerate formalin solution under the transparent glass cylinder 1, and meanwhile, the semiconductor refrigeration piston plate 11 also moves downwards slowly along with the continuous increase of gas in the upper space of the transparent glass cylinder 1, so that the lower space of the transparent glass cylinder 1 can be in a high-pressure state, a medical specimen in the high-pressure state can be better preserved, and meanwhile, the formalin solution in the high-pressure state is easier to spray;
through the arrangement of the auxiliary device, the medical specimen can be further rotationally adjusted in a vertical space, so that the rotational adjustment of the medical specimen is more sufficient;
refer to fig. 1, 2, 3 and 4.
By rotating the rectangular rod 13, the rectangular rod 13 can drive the fixed shaft of the worm 6 on the worm 6 to rotate through the rectangular hole on the worm 6, and simultaneously, by pushing and pulling the rectangular rod 13, the rectangular rod 13 can axially slide on the worm 6 relative to the rectangular hole on the worm 6, because the connecting ring 14 is in limited rotary connection on the rectangular rod 13, namely the connecting ring 14 can rotate at the fixed position on the rectangular rod 13 and cannot axially slide, when the connecting ring 14 is axially pushed and pulled, the connecting ring 14 on the connecting ring can synchronously move, and because of the friction between the rectangular rod 13 and the inner wall of the rectangular hole on the worm 6, under the condition of no external force application, the rectangular rod 13 and the worm 6 can complete the self-locking effect;
referring to fig. 1, when the rectangular rod 13 moves towards the worm 6, the lifting rod 16 moves upwards with the second annular plate 17 under the rotation cooperation of the rotating arm 15, and the movement track of the lifting rod 16 is limited because the second annular plate 17 can only move axially on the first shaft 3;
referring to fig. 4, the second annular plate 17 moves upwards along with the second annular plate 17, so that the lifting column 19 on the second annular plate 17 synchronously carries the toothed plate 20 to move upwards, and the driven gear 21 meshed with the toothed plate 20
The second shaft 9 is driven to rotate on the second supporting seat 8, and two ends of the second shaft 9 are fixedly connected with the inner wall of the incomplete spherical shell 2, so that the rotation of the second shaft 9 can synchronously drive the incomplete spherical shell 2 to rotate, and thus, the horizontal rotation and the vertical rotation of the incomplete spherical shell 2 in the transparent glass cylinder 1 can be realized and are independently adjusted;
through cleaning device's setting, can carry out the clearance collection of concentrating with the deposit that produces in the long-term use of formalin solution, avoid the deposit to cause the influence to the sample observation. Referring to fig. 2, the non-perfect spherical shell 2 drives the display frame 10 to rotate synchronously, when the display frame 10 rotates in the horizontal direction, the driving swing arm 24 thereon will drive the elastic brush bristles 25 to move synchronously, and since the elastic brush bristles 25 can be elastically deformed, even if the driving swing arm 24 deflects, the driving swing arm can keep contact with the upper surface of the truncated cone-shaped base 26; meanwhile, along with the rotation of the elastic brush bristles 25, the sediment falling on the truncated cone-shaped base 26 can be cleaned, and due to the guiding arrangement of the arc-shaped surface on the truncated cone-shaped base 26, the sediment on the truncated cone-shaped base 26 can slide to the edge of the base along the trend, and at the edge, the sediment continuously passes through the upper part of the collecting pipe 27 through the cleaning of the elastic brush bristles 25, and then falls into the collecting pipe 27;
finally, the sediment collected in the collection tube 27 is collectively transferred. Through the arrangement of the stopping ring 28, the sediment falling on the truncated cone-shaped base 26 can be remained at the edge of the arc-shaped surface on the truncated cone-shaped base 26 and can not fall on the bottom of the inner wall of the transparent glass cylinder 1.
Through the arrangement of the pressurizing device, on one hand, the protection effect on the sample is improved, and on the other hand, the subsequent sediment is convenient to spray and transfer; refer to fig. 4 and 5.
The lifting column 19 is lifted relative to the first annular plate 7, so that the second annular plate 17 is also lifted relative to the tubular shell 29 on the first annular plate 7, and the lifting pressure arm 30 on the lifting column 19 is synchronously lifted relative to the tubular shell 29;
referring to fig. 5, the tubular housing 29 is divided into an upper space and a lower space by the piston ring 31, when the lifting pressure arm 30 moves down with the piston ring 31, the air pressure in the lower space increases, the high-pressure air is transferred to the upper space of the transparent glass cylinder 1 through the air duct 12 and the second check valve 33 in the air duct 12, and conversely, the cold air in the external air source is pumped into the lower space of the tubular housing 29 through the first check valve 32, so that the air in the space is supplemented;
so reciprocal for during the continuous replenishment of the upper portion space to transparent glass section of thick bamboo 1 of cold air in the external air source, make the atmospheric pressure in the transparent glass section of thick bamboo 1 upper portion space increase on the one hand, on the other hand can make this part cold air can strengthen the refrigeration effect, maintains microthermal cold-stored environment.
Through the arrangement of the discharging device, the sediment can be conveniently unlocked and released after the second annular plate 17 rises to the limit position; with reference to fig. 6 and 2, the above-mentioned reasons regarding the falling of the sediment into the collection pipe 27 are not repeated herein;
after the sediments are stored in a centralized way at the bottom of the collecting pipe 27, a professional operator can place the collecting barrel right below the collecting pipe 27, then, the rectangular rod 13 is manually operated, so that after the pressing bent arm 39 on the second annular plate 17 moves upwards to the extreme position, the upper surface of the pressing bent arm 39 can be contacted with the bottom of the sealing block 36, after overcoming the elasticity of the second pressure spring 35, the arc-shaped contour of the sealing block 36 is separated from the inner wall of the collecting pipe 27 close to the bottom, a gap is generated immediately after the separation, through the gap, the sediment accumulated at the bottom of the collecting pipe 27 can be easily washed out by the high-pressure formalin in the transparent glass cylinder 1, the sediment is transferred, after the reverse operation, namely, under the action of the elastic force of the second pressure spring 35, the sealing block 36 is sealed with the inner wall of the collecting pipe 27, and the formalin solution does not flow out any more.
Later on in daily observation, the visitor can realize the observation to the medicine sample and the gaseous replenishment of transparent glass section of thick bamboo 1 upper portion space through operation rectangular rod 13, and in the in-service use process, can set up the relief valve at transparent glass section of thick bamboo 1 top to conveniently discharge the air in the transparent glass section of thick bamboo 1 upper portion space at any time.
Through the cooperation use between the above-mentioned mechanism, solved in the in-service use process, because traditional cryogenic refrigeration is difficult to satisfy the demand of various medicine specimens, especially traditional cryogenic refrigeration equipment also is difficult to realize the effect of multi-angle observation, gives the problem that the use is inconvenient.
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 (8)
1. A medical specimen low temperature refrigeration equipment which characterized in that: the medical specimen sealing and displaying device comprises a transparent glass cylinder (1) which is used for sealing and displaying a medical specimen and is filled with formalin, a through hole is formed in the lower surface of the transparent glass cylinder (1), a non-perfect-spherical shell (2) is connected in a limiting and rotating mode through the through hole, a first shaft (3) is arranged under the non-perfect-spherical shell (2), worm gear teeth (4) are uniformly distributed on the arc-shaped contour, close to the bottom, of the first shaft (3), a first supporting seat (5) is arranged behind the first shaft (3), a worm (6) penetrates through the first supporting seat (5), and the teeth on the worm (6) are in transmission meshing with the teeth on the worm gear teeth (4);
an annular plate I (7) is fixedly sleeved on the arc-shaped contour of the shaft I (3) close to the top, the upper surface of the first annular plate (7) is fixedly connected with two symmetrical second supporting seats (8), the surfaces of the two second supporting seats (8) are both connected with a second shaft (9) in a penetrating way, both ends of the second shaft (9) are fixedly connected with the inner wall of the non-complete spherical shell (2), the central line of the second shaft (9) is superposed with the horizontal central line passing through the spherical center of the first shaft (3), the upper surface of the incomplete spherical shell (2) is fixedly connected with a display rack (10) for reinforcing and supporting the specimen, the inner wall of the transparent glass cylinder (1) close to the top is connected with a semiconductor refrigeration piston plate (11) in a up-and-down limiting and sliding manner, the top of the transparent glass cylinder (1) is provided with a through hole and is fixedly connected with an air duct (12) for supplying cold air to the upper space of the transparent glass cylinder (1).
2. A medical specimen cryogenic storage device as claimed in claim 1, wherein: the device is characterized in that an auxiliary device for rotationally adjusting the incomplete spherical shell (2) in the transparent glass cylinder (1) in the vertical direction is further arranged on the first shaft (3), the auxiliary device comprises a rectangular hole formed in the end portion of the worm (6), a rectangular rod (13) is axially and slidably connected in the rectangular hole in a limiting manner, a connecting ring (14) is rotationally connected on the rectangular rod (13) in a limiting manner, a rotating arm (15) is rotationally connected on the connecting ring (14) through a pin shaft, the top of the rotating arm (15) is rotationally connected with a lifting rod (16) through a pin shaft, the top of the lifting rod (16) is fixedly connected with a second annular plate (17) which axially moves up and down on the first shaft (3), a first pressure spring (18) is arranged on an arc contour close to the top of the first shaft (3), and two ends of the first pressure spring (18) are fixedly connected with opposite surfaces of the first annular plate (7) and the second annular plate (17), the upper surface of lifter (16) is equipped with lift post (19), the surface of lift post (19) run through annular plate (7) and with annular plate (7) spacing sliding connection from top to bottom, the top fixedly connected with pinion rack (20) of lift post (19), the tooth meshing on pinion rack (20) has driven gear (21), the inner wall of driven gear (21) is connected with the fixed surface of axle two (9).
3. A medical specimen cryogenic storage device as claimed in claim 2, wherein: the fixed surface that is close to the middle part on axle two (9) is overlapped and is had connecting cylinder (22), the equal fixedly connected with torsional spring (23) in both ends of connecting cylinder (22), the one end of keeping away from connecting cylinder (22) on torsional spring (23) is connected with the fixed surface of supporting seat two (8).
4. A medical specimen cryogenic storage device as claimed in claim 3, wherein: be equipped with the cleaning device of the interior precipitate of clearance formalin liquid on show shelf (10), cleaning device is including setting up drive swing arm (24) that is close to the bottom on the surface on show shelf (10), the lower fixed surface of drive swing arm (24) is connected with elasticity brush hair (25), round platform shape base (26) of the bottom fixedly connected with and incomplete spherical shell (2) looks adaptation of transparent glass section of thick bamboo (1) inner wall, through-hole and fixedly connected with collecting pipe (27) in this through-hole have been seted up to the lower surface of transparent glass section of thick bamboo (1), the upper surface that is close to the edge on round platform shape base (26) is run through at the top of collecting pipe (27), fixedly connected with prevents on the arc profile of round platform shape base (26) that the precipitate from leaking to block ring (28) on the bottom of transparent glass section of thick bamboo (1) inner wall.
5. The medical specimen cryogenic storage device of claim 4, wherein: a pressurizing device for supplementing gas to the upper space of the transparent glass cylinder (1) is arranged on the first annular plate (7), the pressurizing device comprises a tubular shell (29) fixedly connected with the upper surface of the first annular plate (7), the side surface of the lifting column (19) is fixedly connected with a lifting pressure arm (30), the bottom of the lifting pressure arm (30) penetrates through the upper surface of the tubular shell (29) and is fixedly connected with a piston ring (31), the piston ring (31) axially limits and slides in the tubular shell (29), an air inlet is arranged on the arc-shaped outline of the tubular shell (29), a one-way valve I (32) is fixedly connected in the air inlet, the air inlet is communicated with an external cold air source, the arc-shaped contour of the tubular shell (29) close to the rear side is communicated with the bottom of the air duct (12), and the inner wall of the air duct (12) is fixedly connected with a second one-way valve (33) matched with the first one-way valve (32).
6. The medical specimen cryogenic storage device of claim 4, wherein: be equipped with the discharging device who discharges the precipitate on collecting pipe (27), discharging device includes at fixed support (34) of collecting pipe (27) inner wall, the lower fixed surface of support (34) is connected with pressure spring two (35), the bottom fixedly connected with of pressure spring two (35) seals piece (36), be close to the inner wall looks adaptation of bottom on the arc profile of sealed piece (36) and collecting pipe (27), the bottom of collecting pipe (27) is extended to the bottom of sealed piece (36), the last fixed surface of annular plate two (17) is connected with extrusion curved boom (39) with sealed piece (36) bottom contact.
7. A medical specimen cryogenic storage device as claimed in claim 2, wherein: the surface of the rectangular rod (13) is fixedly connected with two limiting rings (37), and the opposite surfaces of the two limiting rings (37) are movably connected with the surface of the connecting ring (14).
8. A medical specimen cryogenic storage device as claimed in claim 1, wherein: the arc-shaped contour of the transparent glass cylinder (1) is provided with a through hole, and a one-way valve III (38) for supplementing formalin liquid in the transparent glass cylinder (1) is fixedly connected with the through hole.
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