CN220975411U - Transmission device - Google Patents

Abstract

The utility model relates to the technical field of low-temperature transportation, in particular to a transmission device, which aims to solve the problem that a delivery freezing device cannot be put in a warehouse in batches. For this purpose, the transmission device of the utility model comprises a fixed element fixedly arranged; the driving end of the driving mechanism is connected with the transmission mechanism, and the transmission mechanism is fixed on the sliding piece; the driving wheel and the driven wheel are fixed on the sliding piece in a autorotation way, the transmission piece is sleeved between the driving wheel and the driven wheel, and the objective table is arranged on the sliding piece in a sliding way; the upper half transmission part of the transmission part is fixed on the objective table, and the lower half transmission part of the transmission part is fixed on the fixing part. The utility model can realize stable batch transmission, improve transmission efficiency, reduce frequent opening and closing of the warehouse door, ensure the temperature in the warehouse, avoid frosting and improve energy-saving effect.

Description

Transmission device

Technical Field

The utility model relates to the technical field of low-temperature transportation, and particularly provides a transmission device.

Background

The development of life science research and the progress of disease analysis detection and treatment and health care technologies in the clinical medical field have promoted the increasingly wide demand for biological samples, and have also put higher demands on the storage technology and equipment of biological samples, including demands on the safety, reliability and stability of stored samples, and the accuracy, efficiency and scientificity of sample access processes and procedures. The object in which the biological sample is stored often encompasses specimens of biological macromolecules, cells, tissues, and organs, such as human organ tissue, whole blood, plasma, serum, biological fluids, or treated biological specimens (including DNA, RNA, proteins, etc.). Long-term storage of biological samples, which generally requires as low a temperature as possible, is used to reduce biochemical reactions in the sample and to improve the stability of various components in the sample

Currently, in the biomedical field, the biological sample size is huge and needs to be stored by a large-sized freezer, such as a liquid nitrogen reservoir. In the liquid nitrogen storehouse, a plurality of groups of freezing and storing devices are generally arranged, each group of freezing and storing device comprises a freezing and storing box and a plurality of freezing and storing pipes arranged in the freezing and storing box, and biological samples are arranged in the freezing and storing pipes.

The existing conveying device for the freezing storage equipment generally adopts a structure form of pushing by a push rod, when the device is conveyed to a designated position, due to the fact that the linear travel is long, the device is poor in structural stability in the conveying process, is not enough for supporting batch conveying of multiple groups of freezing storage equipment, can only be independently conveyed, is low in efficiency, and needs to be frequently opened, so that the temperature in the freezing storage can be floated, the temperature in the freezing storage can not be ensured, the problem of frosting in the storage is easy to occur, and energy is consumed.

Accordingly, there is a need in the art for a new solution to the above-mentioned problems.

Disclosure of utility model

The utility model aims to solve the technical problems that the efficiency is low, the energy is consumed and frost is formed in a warehouse because the conveying and freezing equipment cannot store in batches.

The present utility model provides a transmission device including: the fixing piece is fixedly arranged; the driving mechanism is fixed on the fixed piece, the sliding piece is slidably arranged on the fixed piece, the driving end of the driving mechanism is connected with the transmission mechanism, and the transmission mechanism is fixed on the sliding piece; the driving wheel and the driven wheel are rotatably fixed on the sliding piece, the transmission piece is sleeved between the driving wheel and the driven wheel, and the objective table is slidably arranged on the sliding piece; the transmission part is divided into an upper half transmission part and a lower half transmission part by a connecting line of the driving wheel and the driven wheel, the upper half transmission part is fixed on the objective table, and the lower half transmission part is fixed on the fixing part.

Under the condition of adopting the technical scheme, through setting up two-stage telescopic machanism, stable in structure can realize stable batch transmission, improves transmission efficiency to reduce the frequent switching of freezer storehouse door, guarantee the temperature in the freezer, avoid frosting, still effectively promote the energy-conserving effect of freezer, can also realize guaranteeing the transmission stroke in going out and putting in storage in limited space simultaneously, save occupation space.

In a specific embodiment of the above transmission device, the transmission mechanism includes a rack and a gear, the rack is engaged with the gear, the driving end of the driving mechanism is connected with the gear, and the rack is fixed on the sliding member.

Under the condition of adopting the technical scheme, the transmission device is simple in structure, low in maintenance cost, stable in operation and high in operation precision, and in addition, the rack and pinion is good in structural strength, and is not easy to deform in a low-temperature working environment, so that the transmission device can be ensured to work normally.

In a specific embodiment of the above transmission device, the transmission device further includes a first rail, the first rail is fixed on the fixing member, and the sliding member is slidably disposed on the first rail.

Under the condition of adopting the technical scheme, the first guide rail is arranged so that the sliding part has a guiding function when sliding horizontally relative to the fixing part, and the sliding part is ensured to slide stably relative to the fixing part.

In a specific embodiment of the above transmission device, the transmission device further includes a second rail, the second rail is fixed on the sliding member, and the stage is slidably disposed on the second rail.

Under the condition of adopting the technical scheme, the second guide rail is arranged to have a guiding function when the objective table horizontally slides relative to the sliding piece, so that the objective table can stably slide relative to the sliding piece.

In a specific embodiment of the above transmission device, the transmission device further includes a tensioning member slidably disposed on the sliding member, and the driving wheel and/or the driven wheel are rotatably fixed on the tensioning member.

In a specific embodiment of the above transmission device, the sliding member is provided with an adjusting groove, the tensioning member is provided with a mounting hole, and the tensioning member is fixed in the adjusting groove by a fastener.

Under the condition of adopting the technical scheme, the tightness of the transmission part can be adjusted by respectively adjusting the relative installation positions of the tensioning part fixed with the driving wheel or the driven wheel in the adjusting groove, so that the transmission part is ensured to be always in a tensioning state.

In a specific embodiment of the above transmission device, the transmission device further includes a first connection block and a second connection block, the first connection block is fixed on the upper half transmission member, and the second connection block is fixed on the lower half transmission member.

In a specific embodiment of the above transmission device, the transmission member is any one of a chain and a belt.

In a specific embodiment of the above transmission device, the objective table is provided with a plurality of limiting members, and a receiving groove is formed between adjacent limiting members.

Under the condition of adopting the technical scheme, the freezing equipment is placed in the accommodating groove so as to limit the freezing equipment, and shaking in the transmission process is avoided.

In a specific embodiment of the above transmission device, an inner side of each of the limiting members is provided with an inclined surface.

Under the condition of adopting the technical scheme, the inclined plane formed by the inner side of the limiting piece has a guiding function, so that the freezing storage equipment can be placed into the accommodating groove conveniently.

Drawings

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:

fig. 1 is a first perspective view of a transmission device according to the present utility model;

Fig. 2 is a second perspective view of the transmission device of the present utility model;

FIG. 3 is a third perspective view of the transmission device of the present utility model; (omitting stage)

FIG. 4 is a side view of the transfer device of the present utility model;

list of reference numerals:

1. A fixing member; 2. a driving mechanism; 3. a transmission mechanism; 31. a gear; 32. a rack; 4. a slider; 41. an adjustment tank; 42. a first slider; 5. a driving wheel; 6. driven wheel; 7. a transmission member; 8. an objective table; 81. a limiting piece; 811. an inclined plane; 82. a receiving groove; 83. a second slider; 9. a first guide rail; 10. a second guide rail; 11. a tensioning member; 111. a mounting hole; 12. a first connection block; 13. a second connection block; 14. freezing and storing equipment.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can adapt it as desired to suit a particular application.

It should be noted that, in the description of the present invention, terms such as "inner," "upper," "lower," and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the related devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the ordinal terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

A particularly preferred embodiment of the present utility model will be described with reference to fig. 1-4.

As shown in fig. 1 to 4, the transmission apparatus includes: the fixing piece 1 is fixedly arranged on the fixing piece 1; the driving mechanism 2, the transmission mechanism 3 and the sliding piece 4 are arranged on the fixed piece 1, the sliding piece 4 is slidably arranged on the fixed piece 1, the driving end of the driving mechanism 2 is connected with the transmission mechanism 3, and the transmission mechanism 3 is fixed on the sliding piece 4; the driving wheel 5, the driven wheel 6, the transmission piece 7 and the objective table 8, wherein the driving wheel 5 and the driven wheel 6 are fixed on the sliding piece 4 in a autorotation manner, the transmission piece 7 is sleeved between the driving wheel 5 and the driven wheel 6, and the objective table 8 is arranged on the sliding piece 4 in a sliding manner; the transmission member 7 is divided into an upper transmission member and a lower transmission member by a line connecting the driving wheel 5 and the driven wheel 6, the upper transmission member is partially fixed on the stage 8, and the lower transmission member is partially fixed on the fixing member 1.

The transmission device is applied to a freezer with the mass access of freezing storage equipment 14 at the temperature of minus 30 ℃, when the freezing storage equipment 14 performs mass delivery, the driving mechanism 2 drives the transmission mechanism 3 to enable the sliding piece 4 to horizontally slide relative to the fixed piece 1 so as to form a primary telescopic structure, as the driving wheel 5, the driven wheel 6 and the transmission piece 7 are fixed on the sliding piece 4, and the upper half transmission piece part is fixed on the objective table 8, and the lower half transmission piece part is fixed on the fixed piece 1, the sliding piece 4 can horizontally slide and simultaneously enable the driving wheel 5 and the driven wheel 6 to horizontally slide relative to the sliding piece 4 by driving the transmission piece 7, so that the objective table 8 is driven to horizontally slide relative to the sliding piece 4 so as to form a secondary telescopic structure, and a plurality of groups of freezing storage equipment 14 are placed on the objective table 8 so as to be capable of transmitting the mass freezing storage equipment 14 to a designated position, and the delivery process is completed. The warehouse-in process is opposite to the warehouse-out process, and the driving mechanism 2 drives the transmission mechanism 3 in a reverse direction to enable the objective table to be retracted into the freezer so as to complete the warehouse-in task, and the details are omitted.

The drive mechanism 2 is illustratively provided as a stepper motor. The transmission member 7 is illustratively any one of a chain and a belt. In the present embodiment, the transmission member 7 is a chain, and the driving wheel 5 and the driven wheel 6 are sprockets.

As shown in fig. 2, the transmission mechanism 3 includes a rack 32 and a gear 31, the rack 32 is engaged with the gear 31, the driving end of the driving mechanism 2 is connected with the gear 31, and the rack 32 is fixed on the slider 4. The driving mechanism 2 drives the gear 31 to rotate, and the gear 31 transmits power to the rack 32 to drive the rack 32 to slide horizontally, so that the sliding piece 4 is driven to slide horizontally relative to the fixing piece 1.

In addition, the utility model can realize the integral sliding or static of the gear 31, the rack 32, the sliding part 4 and the objective table 8 relative to the fixed part 1 by controlling the driving mechanism 2 to release or lock the gear 31.

It should be noted that the specific structure of the transmission mechanism 3 is not limited to the above-described structure of the "gear 31+rack 32", for example, the transmission mechanism 3 may be configured as a structure of a "screw+nut", and such adjustment and modification of the specific structure of the transmission mechanism 3 do not deviate from the principle and scope of the present utility model, and should be limited to the protection of the present utility model.

Of course, the transmission mechanism 3 is preferably set to the structural form of the gear 31 and the rack 32 described above, which is simple in structure, low in maintenance cost, stable in operation and high in operation precision, and in addition, the gear 31 and the rack 32 are good in structural strength, and are not easy to deform in a low-temperature working environment, so that the normal operation of the transmission device can be ensured.

As shown in fig. 3 and 4, the transmission device further includes a first connection block 12 and a second connection block 13, the first connection block 12 being fixed to the upper transmission half, and the second connection block 13 being fixed to the lower transmission half. The upper half transmission part is fixed with the objective table 8 through the first connecting block 12, the lower half transmission part is fixed with the fixing part 1 through the second connecting block 13, when the sliding part 4 horizontally slides relative to the fixing part 1, the second connecting block 13 drives the lower half transmission part, so that the driving wheel 5 and the driven wheel 6 rotate relative to the sliding part 4, then the upper half transmission part is driven, and the objective table 8 is driven to horizontally slide relative to the sliding part 4 through the first connecting block 12.

As shown in fig. 1 to 4, the transfer device further includes a first rail 9 and a second rail 10, the first rail 9 is fixed on the fixing member 1, the sliding member 4 is slidably disposed on the first rail 9, the second rail 10 is fixed on the sliding member 4, and the stage 8 is slidably disposed on the second rail 10. The first guide rail 9 is arranged to have a guiding function when the sliding part 4 horizontally slides relative to the fixing part 1, so that the sliding part 4 is ensured to stably slide relative to the fixing part 1, and the second guide rail 10 is arranged to have a guiding function when the objective table 8 horizontally slides relative to the sliding part 4, so that the objective table 8 is ensured to stably slide relative to the sliding part 4. Specifically, the fixing members 1 are provided at both ends of the first rail 9, the bottom of the slider 4 is provided with a first slider 42 that mates with the first rail 9, and the bottom of the stage 8 is provided with a second slider 83 that mates with the second rail 10.

As shown in fig. 3, the transmission device further includes a tensioning member 11, the tensioning member 11 is slidably disposed on the sliding member 4, the driving wheel 5 and the driven wheel 6 are respectively rotatably fixed on the tensioning member 11, the sliding member 4 is provided with an adjusting groove 41, the tensioning member 11 is provided with a mounting hole 111, and the tensioning member 11 is fixed in the adjusting groove 41 by a fastener (not shown). Specifically, by adjusting the relative installation positions of the tensioning member 11 to which the driving wheel 5 or the driven wheel 6 is fixed in the adjustment groove 41, respectively, it is possible to achieve adjustment of the tightness of the transmission member 7, so as to ensure that the transmission member 7 is always in a tensioned state.

It should be noted that, in addition to the above-mentioned driving wheel 5 and driven wheel 6 being rotatably fixed to the tensioning member 11, only one of the driving wheel 5 and driven wheel 6 may be rotatably fixed to the tensioning member 11, and the other may be directly rotatably fixed to the sliding member 4, so that when the tension of the transmission member 7 is adjusted, only the transmission wheel with the tensioning member 11 needs to be adjusted. Those skilled in the art may make selections as desired, and the utility model is not limited in any way.

As shown in fig. 1, the stage 8 is provided with a plurality of stoppers 81, and receiving grooves 82 are formed between adjacent stoppers 81. The freezing storage device 14 is placed in the accommodating groove 82 so as to limit the freezing storage device 14 and avoid shaking in the transmission process.

Further, as further shown in fig. 1, the inner side of each stopper 81 is provided with a slope 811 having a guiding function to facilitate the placement of the freezing apparatus 14 into the accommodation groove 82.

The two-stage telescopic mechanism is stable in structure, stable batch transmission can be achieved, transmission efficiency is improved, accordingly, frequent opening and closing of a refrigerator door of the refrigerator are reduced, temperature in the refrigerator is guaranteed, frosting is avoided, energy-saving effect of the refrigerator is effectively improved, meanwhile, transmission travel of entering and exiting the refrigerator is guaranteed in a limited space, and occupied space is saved.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (10)

1.A transmission device, characterized in that the transmission device comprises:

the fixing piece is fixedly arranged;

the driving mechanism is fixed on the fixed piece, the sliding piece is slidably arranged on the fixed piece, the driving end of the driving mechanism is connected with the transmission mechanism, and the transmission mechanism is fixed on the sliding piece;

The driving wheel and the driven wheel are rotatably fixed on the sliding piece, the transmission piece is sleeved between the driving wheel and the driven wheel, and the objective table is slidably arranged on the sliding piece;

The transmission part is divided into an upper half transmission part and a lower half transmission part by a connecting line of the driving wheel and the driven wheel, the upper half transmission part is fixed on the objective table, and the lower half transmission part is fixed on the fixing part.

2. The transmission device of claim 1, wherein the transmission mechanism comprises a rack and a gear, the rack being in meshed connection with the gear, the drive end of the drive mechanism being connected with the gear, the rack being secured to the slider.

3. The transfer device of claim 1, further comprising a first rail secured to the fixed member, the slider slidably disposed on the first rail.

4. The transfer device of claim 1, further comprising a second rail secured to the slide, the stage being slidably disposed on the second rail.

5. The transmission device according to claim 1, further comprising a tensioning member slidably provided on the sliding member, the driving wheel and/or the driven wheel being rotatably fixed on the tensioning member.

6. The transmission device according to claim 5, wherein the sliding member is provided with an adjustment groove, the tensioning member is provided with a mounting hole, and the tensioning member is fixed in the adjustment groove by a fastener.

7. The transmission device of claim 1, further comprising a first connection block and a second connection block, the first connection block being secured to the upper transmission half and the second connection block being secured to the lower transmission half.

8. The transmission device according to claim 7, wherein the transmission member is any one of a chain and a belt.

9. The transfer device of claim 1, wherein the stage is provided with a plurality of stoppers, and wherein receiving slots are formed between adjacent stoppers.

10. A transfer device according to claim 9, wherein the inner side of each of the stoppers is provided with a bevel.