CN209744843U

CN209744843U - Low-temperature refrigerating device for laboratory

Info

Publication number: CN209744843U
Application number: CN201920499735.1U
Authority: CN
Inventors: 怀务朋
Original assignee: Guangzhou Lingxin Technology Co Ltd
Current assignee: Guangzhou Lingxin Technology Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2019-12-06
Anticipated expiration: 2029-04-15

Abstract

The utility model belongs to the technical field of the low temperature refrigeration technique of laboratory and specifically relates to a low temperature refrigerating plant of laboratory, including freezing jar, the bottom welding of freezing jar has freezing jar to support, the tip correspondence of freezing jar is equipped with freezing cover, the fixed freezing cover handle that is equipped with on the terminal surface of freezing cover, one side of freezing jar is connected with the control box through the link, the fixed thermometer that is equipped with on the control box, the jar mouthful department of freezing jar is connected with interior freezing jar through annular connecting plate, the fixed a plurality of circular constant head tanks that are equipped with on the interior freezing jar, the inside of circular constant head tank is rotated and is connected with cold-stored cover. The utility model discloses an outer wall of freezing jar encircles and is equipped with the cold-stored jar of annular refrigeration stick can carry out even refrigerated when internal freezing jar under driving motor drive effect, carries out layer upon layer transmission and makes cold-stored jar rotatory, and then makes the freezing material of cold-stored jar inside carry out even freezing, guarantees cold-stored homogeneity.

Description

Low-temperature refrigerating device for laboratory

Technical Field

The utility model relates to a low temperature refrigeration technology field in laboratory specifically is a low temperature refrigerating plant in laboratory.

background

At present the laboratory can use freezer or cold-stored jar, article to the experiment are cold-stored, but current cold-stored jar is fixed different, the change that leads to refrigerated article like this receives cryogenic temperature inhomogeneous along with time, thereby lead to refrigerated article because the cold-stored jar that receives the temperature that the temperature is current simultaneously all is the effect of placing of not possessing classification, thereby can lead to the frozen different article in laboratory, can lead to influencing each other because the motion of molecule, finally probably lead to the refrigerated article of experiment to receive the error when being detected or the experiment.

To sum up, the utility model provides a low temperature refrigerating plant in laboratory improves the problem that exists at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low temperature refrigerating plant in laboratory to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

A low-temperature refrigerating device for a laboratory comprises a freezing tank, wherein the bottom of the freezing tank is welded with a freezing tank support, the end part of the freezing tank is correspondingly provided with a freezing tank cover, a freezing tank cover handle is fixedly arranged on the end surface of the freezing tank cover, one side of the freezing tank is connected with a control box through a connecting frame, a thermometer is fixedly arranged on the control box, a tank opening of the freezing tank is connected with an inner freezing tank through an annular connecting plate, a plurality of circular positioning grooves are fixedly arranged on the inner freezing tank, the inside of each circular positioning groove is rotatably connected with a refrigerating tank cover, positioning blocks are wound on the refrigerating tank cover and uniformly arranged on the refrigerating tank cover, the positioning blocks are arranged above the inner freezing tank, the refrigerating tank cover handle is fixedly arranged on the end surface of the refrigerating tank cover, the refrigerating tank cover is in threaded connection with the inner wall of the refrigerating tank, the bottom of the refrigeration tank is fixedly provided with a main connecting block inside the inner refrigeration tank, the main connecting block is correspondingly connected to an auxiliary connecting block, the bottom of the auxiliary connecting block is fixedly connected with a rotating shaft, the rotating shaft sequentially penetrates through a fixed shaft sleeve and a driven gear from top to bottom, the fixed shaft sleeve is embedded in the inner refrigeration tank, the rotating shaft penetrates through the driven gear and extends to the lower part of the driven gear to be connected with a fixed plate, the driven gear is positioned between the inner refrigeration tank and the fixed plate, the fixed plate is connected to the bottom of the rotating shaft, the bottom of the inner refrigeration tank is connected to the side wall inside the refrigeration tank through a reinforced partition plate, the driven gear is correspondingly connected with a transmission gear, the bottom of the transmission gear is fixedly connected with a transmission shaft, the transmission shaft penetrates through the fixed plate and extends to the lower part of the fixed plate to be fixedly connected to the driving, the outer wall of the inner freezing tank is provided with an annular refrigerating rod in a surrounding mode.

Preferably, the control box is respectively electrically connected with the driving motor and the annular refrigeration rod through a lead, and the model of the driving motor is 130BYGH 350D.

Preferably, the connection structure of the main connection block and the auxiliary connection block is a detachable structure, and the connection mode of the rotating shaft with the fixed shaft sleeve and the fixed plate is respectively rotation connection.

Preferably, the driven gear and the transmission gear are connected in a gear connection mode and form a star-shaped structure.

Preferably, the freezing tank, the annular connecting plate, the inner freezing tank and the reinforcing partition plate are all made of XPS heat-insulating plates.

Preferably, the transmission shaft is connected with the fixing plate in a rotating manner.

Preferably, the fixing plate is a circular plate and is fixedly coupled to the sidewall of the inside of the freezing cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, set up a plurality of cold-stored jars and respectively have cold-stored cover to seal through freezing jar including to solved cold-stored jar and all be the problem that do not possess the classification and place of an organic whole, thereby avoided the frozen different article in laboratory, can lead to influencing each other because the motion of molecule, thereby finally probably lead to the cold-stored article of experiment to receive the problem of error when being detected or the experiment and improved the validity of experiment.

2. The utility model discloses in, the outer wall through interior freezing jar encircles and is equipped with the cold-stored jar of annular refrigeration stick when can carry out even refrigeration to interior freezing jar under driving motor drive effect, carries out layer upon layer transmission and makes cold-stored jar rotatory, and then makes the freezing material of cold-stored jar inside carry out even freezing, guarantees cold-stored homogeneity.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the opening structure of the lid of the freezing cylinder of the present invention;

FIG. 3 is a schematic structural view of the inner freezing cylinder of the present invention;

FIG. 4 is a schematic view of the present invention in partial section;

Fig. 5 is a schematic view of the overlooking structure of the connection between the driven gear and the transmission gear of the present invention.

In the figure: 1-freezing tank, 2-freezing tank support, 3-freezing tank cover, 4-freezing tank cover handle, 5-connecting frame, 6-control box, 7-thermometer, 8-annular connecting plate, 9-inner freezing tank, 10-circular positioning groove, 11-refrigerating tank cover, 12-positioning block, 13-refrigerating tank cover handle, 14-refrigerating tank, 15-main connecting block, 16-auxiliary connecting block, 17-rotating shaft, 18-fixed shaft sleeve, 19-driven gear, 20-fixed plate, 21-reinforced dividing plate, 22-transmission gear, 23-transmission shaft, 24-driving motor, 25-driving motor base and 26-annular refrigerating rod.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

referring to fig. 1-5, the present invention provides a technical solution:

A low-temperature refrigerating device for a laboratory comprises a freezing tank 1, a freezing tank support 2 is welded at the bottom of the freezing tank 1, a freezing tank cover 3 is correspondingly arranged at the end part of the freezing tank 1, a freezing tank cover handle 4 is fixedly arranged on the end surface of the freezing tank cover 3, one side of the freezing tank 1 is connected with a control box 6 through a connecting frame 5, a thermometer 7 is fixedly arranged on the control box 6, a tank opening of the freezing tank 1 is connected with an inner freezing tank 9 through an annular connecting plate 8, a plurality of circular positioning grooves 10 are fixedly arranged on the inner freezing tank 9, a refrigerating tank cover 11 is rotatably connected inside the circular positioning grooves 10, positioning blocks 12 are uniformly arranged on the refrigerating tank cover 11 in a surrounding manner, the positioning blocks 12 are arranged above the inner freezing tank 9, a refrigerating tank cover handle 13 is fixedly arranged on the end surface of the refrigerating tank cover 11, the refrigerating tank cover 11 is in threaded connection with the inner wall of, a main connecting block 15 is fixedly arranged at the bottom of the refrigerating tank 14 and inside the inner freezing tank 9, the main connecting block 15 is correspondingly connected to an auxiliary connecting block 16, a rotating shaft 17 is fixedly connected to the bottom of the auxiliary connecting block 16, the rotating shaft 17 sequentially penetrates through a fixed shaft sleeve 18 and a driven gear 19 from top to bottom, the fixed shaft sleeve 18 is embedded in the inner freezing tank 9, the rotating shaft 17 penetrates through the driven gear 19 and extends to the lower part of the driven gear 19 to be connected with a fixed plate 20, the driven gear 19 is positioned between the inner freezing tank 9 and the fixed plate 20, the fixed plate 20 is connected to the bottom of the rotating shaft 17, the bottom of the inner freezing tank 9 is connected to the side wall inside the freezing tank 1 through a reinforced dividing plate 21, the driven gear 19 is correspondingly connected with a transmission gear 22, a transmission shaft 23 is fixedly connected to the bottom of the transmission gear 22, the transmission shaft 23 penetrates, the driving motor 24 is fixedly arranged on a driving motor base 25, and the outer wall of the inner freezing tank 9 is provided with an annular refrigerating rod 26 in a surrounding mode.

the utility model discloses work flow: when the refrigeration device works, equipment is powered on, the control box 6 is operated, the control box 6 is respectively and electrically connected with the driving motor 24 and the annular refrigeration rod 26 through leads, so that the annular refrigeration rod 26 performs low-temperature refrigeration on the inner freezing tank 9, meanwhile, the driving motor 24 rotates to drive the transmission shaft 23 to rotate, meanwhile, under the action that the transmission shaft 23 is in rotational connection with the fixed plate 20, the transmission gear 22 is driven to rotate, meanwhile, under the action that the driven gear 19 is in gear connection with the transmission gear 22 and forms a star-shaped structure, and the rotating shaft 17 is in rotational connection with the fixed shaft sleeve 18 and the fixed plate 20 respectively, the driven gear 19 is driven to rotate, so that under the action that the refrigeration tank cover 11 is rotatably connected inside the circular positioning groove 10, the connection structure on the driven gear 19 and the refrigeration tank 14 are driven to rotate at a constant speed, in the process, the outer wall of the inner freezing tank 9 is provided with the annular refrigerating rod 26 in a surrounding mode, so that the refrigerating tank 14 can rotate under the driving action of the driving motor 24 by means of transmission layer by layer while the inner freezing tank 9 can perform uniform refrigeration, and then freezing substances in the refrigerating tank 14 can be uniformly frozen, and the refrigerating uniformity is guaranteed.

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. A low temperature refrigeration device of laboratory, includes freezing jar (1), its characterized in that: the bottom welding of freezing jar (1) has freezing jar support (2), the tip correspondence of freezing jar (1) is equipped with freezing cover (3), the fixed freezing cover handle (4) that is equipped with on the terminal surface of freezing cover (3), one side of freezing jar (1) is connected with control box (6) through link (5), fixed thermometer (7) that is equipped with on control box (6), the jar mouth department of freezing jar (1) is connected with interior freezing jar (9) through annular connecting plate (8), fixed a plurality of circular constant head tanks (10) that are equipped with on interior freezing jar (9), the inside rotation of circular constant head tank (10) is connected with cold-stored cover (11), wind and evenly be equipped with locating piece (12) on cold-stored cover (11), locating piece (12) set up in the top of freezing jar (9), fixed cold-stored cover handle (13) that is equipped with on the terminal surface of cold-stored cover (11), refrigerating tank cover (11) threaded connection is at the inner wall of refrigerating tank (14), the inside of freezing jar (9) including refrigerating tank (14) sets up, the bottom of refrigerating tank (14) is and be located freezing jar (9) inside fixed main connecting block (15) that is equipped with in, main connecting block (15) correspond and are connected on vice connecting block (16), the bottom fixedly connected with pivot (17) of vice connecting block (16), pivot (17) from the top down runs through fixed axle sleeve (18) and driven gear (19) in proper order, fixed axle sleeve (18) are embedded on freezing jar (9) including, pivot (17) run through driven gear (19) and extend to driven gear (19) below and be connected with fixed plate (20), driven gear (19) are located freezing jar (9) and fixed plate (20) in, fixed plate (20) are connected in the bottom of pivot (17), the bottom of interior freezing jar (9) is connected on freezing jar (1) inside lateral wall through strengthening partition plate (21), driven gear (19) correspond and are connected with drive gear (22), the bottom fixedly connected with transmission shaft (23) of drive gear (22), below fixed connection that transmission shaft (23) run through fixed plate (20) and extend to fixed plate (20) is served in the drive of driving motor (24), driving motor (24) are fixed to be set up on driving motor seat (25), the outer wall of interior freezing jar (9) is encircleed and is equipped with annular refrigeration stick (26).

2. a laboratory cryogenic refrigerator according to claim 1, wherein: the control box (6) is respectively electrically connected with the driving motor (24) and the annular refrigerating rod (26) through a lead, and the model of the driving motor (24) is 130BYGH 350D.

3. A laboratory cryogenic refrigerator according to claim 1, wherein: the connecting structure of the main connecting block (15) and the auxiliary connecting block (16) is a detachable structure, and the rotating shaft (17) is respectively connected with the fixed shaft sleeve (18) and the fixed plate (20) in a rotating mode.

4. A laboratory cryogenic refrigerator according to claim 1, wherein: the driven gear (19) and the transmission gear (22) are connected in a gear connection mode and form a star-shaped structure.

5. A laboratory cryogenic refrigerator according to claim 1, wherein: freezing jar (1), annular connecting plate (8), interior freezing jar (9) and strengthen cut board (21) all adopt the XPS heated board to make.

6. A laboratory cryogenic refrigerator according to claim 1, wherein: the transmission shaft (23) is connected with the fixing plate (20) in a rotating way.

7. A laboratory cryogenic refrigerator according to claim 1, wherein: the fixing plate (20) is a circular plate and is fixedly connected to the side wall of the interior of the freezing cylinder (1).