Semen freezer for breeding milk sheep

Abstract

The utility model relates to the technical field of milk sheep breeding, in particular to a semen freezing cabinet for milk sheep breeding, which comprises a cabinet body, a refrigeration compressor arranged on the inner side of the bottom of the cabinet body and a liquid nitrogen tank arranged on the top of the cabinet body, at least three placing frames are sequentially arranged in the cabinet body from top to bottom at equal intervals, and the placing frames can slide in and out of the cabinet body. Semen tubes are inserted into the placing frames through inserting and fixing pieces, a liquid nitrogen box is arranged between every two adjacent placing frames, the liquid nitrogen boxes are communicated with a liquid nitrogen tank, cabinet doors corresponding to the placing frames are arranged on the front side of the cabinet body, and the cabinet doors are locked on the cabinet body through locking pieces. The semen freezing cabinet solves the problems that in the prior art, semen tubes placed in the semen freezing cabinet cannot be effectively fixed, semen tubes of different sizes are not suitable for being fixed, the applicability is poor, taking and placing work is tedious, meanwhile, when the semen tubes are taken and placed, low-temperature air in the freezing cabinet is prone to overflowing, the power of the freezing cabinet is increased, and the working efficiency is high. And a large amount of electric energy is consumed.

Description

Technical Field

[0001] The utility model relates to the technical field of dairy sheep breeding, and particularly relates to a semen freezer for dairy sheep breeding. Background Art

[0002] With the development of society, the living standards of the people have been significantly improved, so the demand for mutton and goat milk has also increased, which requires an increase in the breeding scale of sheep. The traditional sheep breeding method has low efficiency, so generally frozen semen is needed for breeding. Especially in China, as a large country of dairy sheep genetic resources, the tasks of germplasm resource preservation and germplasm resource exchange among countries and regions are becoming increasingly frequent and important. To increase the population scale, genetic quality of livestock animals or the meat quality of edible livestock animals, artificial insemination is needed for livestock animals. However, the semen of male animals prepared in advance needs to be stored frozen, otherwise, the quality of male animal semen (such as sperm motility) will be severely damaged and the purpose of artificial insemination cannot be achieved.

[0003] Chinese Patent with publication number CN215602862U discloses a semen freezer for dairy sheep breeding, including a base and a cabinet body. A refrigeration compressor is arranged inside the base to provide cold air for the cabinet body. A partition is fixedly connected inside the cabinet body to divide the interior of the cabinet body into a precooling chamber and a freezing chamber. A storage bracket is placed in the precooling chamber, and sperm storage tubes are placed on the storage bracket. A liquid nitrogen tank is arranged inside the freezing chamber, and an insertion tube extending into the liquid nitrogen tank is arranged on the front surface of the liquid nitrogen tank. First and second door panels are respectively hinged at the open front of the cabinet body, and a temperature control panel is arranged on the front surface of the first door panel. For this semen freezer for dairy sheep breeding, by arranging an insertion tube in the liquid nitrogen tank, after the sperm storage tube is sealed, it is inserted into the insertion tube, and the refrigeration effect of liquid nitrogen is used to freeze the semen. The operation of taking and placing the sperm storage tube is carried out outside the liquid nitrogen tank, which is safe and easy to operate, thus preventing the occurrence of accidental frostbite.

[0004] For semen freezers such as the above, the placement of semen tubes cannot be effectively fixed, and semen tubes of different thicknesses cannot be fixed, making the taking and placing work more cumbersome. At the same time, when taking and placing semen tubes, it is easy for the low-temperature air inside the freezer to overflow, increasing the power of the freezer, causing a large amount of power loss, and it is difficult to ensure the freezing effect of semen tubes. Content of the Utility Model

[0005] The purpose of the utility model is to provide a semen freezer for dairy sheep breeding, which overcomes the problems in the prior art that the semen tubes placed inside the semen freezer cannot be effectively fixed, and it is not suitable for fixing semen tubes of different sizes, resulting in poor applicability and more cumbersome taking and placing work. At the same time, when taking and placing semen tubes, it is easy for the low-temperature air inside the freezer to overflow, increasing the power of the freezer and causing a large amount of power loss.

[0006] To achieve the above object, the technical solution adopted by the utility model to solve its technical problems is as follows:

[0007] A semen freezer for dairy sheep breeding is designed. Semen tubes of different sizes can be effectively fixed on the placement rack through the plug-in parts, so as to improve the applicability of the placement rack for fixing semen tubes. The semen freezer is divided into multiple layers by liquid nitrogen boxes, and a cabinet door is assembled on each layer to specifically achieve the picking and placing work of semen tubes on each layer, prevent the overflow of low-temperature air in the freezer, and reduce the power consumption. The specific scheme is as follows:

[0008] A semen freezer for dairy sheep breeding includes a cabinet body, a refrigeration compressor arranged inside the bottom of the cabinet body, and a liquid nitrogen tank arranged on the top. At least three placement racks are equidistantly arranged in the cabinet body from top to bottom, and the placement racks can slide in and out of the cabinet body;

[0009] Semen tubes are inserted in the placement rack through plug-in parts. A liquid nitrogen box is arranged between every two adjacent placement racks, and the liquid nitrogen box is communicated with the liquid nitrogen tank;

[0010] A cabinet door corresponding to the placement rack is arranged on the front side of the cabinet body, and the cabinet door is locked on the cabinet body through a locking part.

[0011] Preferably, a freezing chamber with an opening facing forward is arranged in the cabinet body. A partition board is arranged on the left side of the freezing chamber, and the left side of the liquid nitrogen box penetrates through the partition board;

[0012] The left side end of the liquid nitrogen box is communicated through a connecting pipe. The liquid nitrogen tank is connected with a liquid nitrogen pump, and a liquid nitrogen pipe is connected to the liquid nitrogen pump. The liquid nitrogen pipe is connected to the connecting pipe through a connecting sleeve.

[0013] Preferably, first sliding grooves are equidistantly arranged on the right end face of the partition board from top to bottom, and second sliding grooves corresponding to the first sliding grooves are arranged on the inner wall of the right side of the freezing chamber;

[0014] Guide sliding edges are respectively arranged on both sides of the placement rack, and the guide sliding edges on both sides are respectively slidably connected in the corresponding first sliding grooves and second sliding grooves.

[0015] Preferably, the placement rack is of a frame structure. At least three placement plates are equidistantly arranged in the placement rack, and at least five plugging holes are equidistantly arranged on the placement plates. The longitudinal section of the plugging hole is in an inverted isosceles trapezoid shape;

[0016] The plug-in part is plugged in the plugging hole, the semen tube is inserted in the plug-in part, and a pull-out plate is arranged on the front side of the placement rack.

[0017] Preferably, the upper end of the inserting member is cylindrical, and at least three elastic clamping plates extending downward are annularly arranged at the bottom of the inserting member. The elastic clamping plates are in a sheet structure with a larger upper part and a smaller lower part.

[0018] Preferably, two ventilation mesh plates that are symmetric left and right are arranged at the bottom of the front side of the cabinet body, and supporting feet are respectively arranged at the four corners of the bottom of the cabinet body.

[0019] Preferably, a display control panel is arranged on the right end face of the cabinet body.

[0020] Preferably, a sealing groove is arranged on the front side of the cabinet body, an annular sealing gasket is arranged on the inner end face of the cabinet door, the left side of the cabinet door is rotatably connected to the left side of the sealing groove through a hinge shaft, and the locking member is arranged on the right side of the cabinet door.

[0021] Preferably, the locking member includes a rotating handle, a locking plate, a rotating shaft and a torsion spring. A lock groove is arranged on the right side of the sealing groove, and the rotating shaft penetrates through the middle of the right side of the cabinet door;

[0022] One end of the rotating handle is connected to the outer end of the rotating shaft, one end of the locking plate is connected to the inner end of the rotating shaft, and the torsion spring is arranged between the locking plate and the cabinet door.

[0023] The beneficial effects of the present utility model are as follows:

[0024] 1. In the present utility model, the semen tube is fixed by being inserted into the insertion hole of the placing plate, and the inserting member can fix semen tubes of different sizes, so as to improve the applicability of the semen freezer and ensure that semen tubes of different sizes can be fixed, making the taking and placing work of the semen tubes more convenient.

[0025] 2. The interior of the freezer of the present utility model can be divided into multiple layers by liquid nitrogen boxes, and a placing rack is slidably connected in each layer, so as to facilitate the freezing, taking and placing work of the semen tubes on the placing rack, and a corresponding cabinet door is assembled on each layer, which can effectively prevent the overflow of low-temperature air during the taking and placing process of the semen tubes, so as to reduce the power consumption during the freezing process.

[0026] 3. Guide sliding edges are respectively arranged on both sides of the placing rack, and rollers are arranged on the guide sliding edges, which can improve the smoothness of the sliding in and out of the placing rack in the freezer, and a liquid nitrogen tank is arranged on the freezer. The liquid nitrogen tank can timely supplement liquid nitrogen to the liquid nitrogen box to ensure the freezing effect of the semen freezer. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the front view of the present utility model;

[0028] Figure 2 is the schematic internal structure diagram of the present utility model;

[0029] Figure 3 is Figure 2 A schematic cross-sectional view at A-A in

[0030] Figure 4 is a schematic structural view of the placement rack in the present utility model;

[0031] Figure 5 is Figure 4 A schematic cross-sectional view at B-B in

[0032] Figure 6 is a diagram showing the plug-in relationship between the plug-in member and the semen tube in the present utility model;

[0033] Figure 7 is a schematic internal structure view of the cabinet door in the present utility model;

[0034] Figure 8 is Figure 7 A schematic cross-sectional view at C-C in

[0035] In the figure: 1 - cabinet body; 11 - freezing chamber; 12 - partition board; 121 - first sliding groove; 13 - ventilation mesh board; 14 - support feet; 15 - sealing groove; 151 - locking groove; 2 - liquid nitrogen tank; 21 - filling port; 22 - liquid nitrogen pump; 23 - liquid nitrogen pipe; 24 - connecting sleeve; 3 - liquid nitrogen box; 31 - connecting pipe; 4 - placement rack; 41 - placement plate; 42 - plug-in hole; 43 - handle; 44 - guiding sliding edge; 45 - roller; 5 - semen tube; 6 - cabinet door; 61 - annular sealing gasket; 62 - hinge shaft; 7 - locking member; 71 - rotating handle; 72 - locking plate; rotating shaft; 74 - torsion spring; 8 - plug-in member; 81 - elastic clamping plate. Detailed implementation manners

[0036] To make the purpose, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in combination with embodiments and drawings. The illustrative embodiments and descriptions of the present utility model are only used to explain the present utility model and are not intended to limit the present utility model.

[0037] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present utility model. However, it is obvious to those of ordinary skill in the art that: It is not necessary to adopt these specific details to implement the present utility model. In other embodiments, well-known structures, circuits, materials or methods are not specifically described in order to avoid obscuring the present utility model.

[0038] Throughout the specification, references to "an embodiment", "embodiments", "an example" or "examples" mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment of the present utility model. Thus, the phrases "an embodiment", "embodiments", "an example" or "examples" that appear throughout the specification do not necessarily all refer to the same embodiment or example. In addition, the particular features, structures, or characteristics may be combined in any suitable combination and / or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art should understand that the diagrams provided herein are for illustrative purposes only and are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0039] In the description of the present utility model, the orientation or positional relationship indicated by the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present utility model.

[0040] As Figures 1-8 shown, the present utility model provides a semen freezer for dairy sheep breeding, which includes a cabinet body 1, a refrigeration compressor arranged inside the bottom of the cabinet body 1, and a liquid nitrogen tank 2 arranged on the top. The refrigeration compressor can provide refrigerated air inside the cabinet body 1, and the liquid nitrogen tank 2 can supplement liquid nitrogen inside the cabinet body 1 to ensure the freezing effect of semen inside the cabinet body 1. At least three placement racks 4 are equidistantly arranged inside the cabinet body 1 from top to bottom. The placement racks 4 can slide in and out of the cabinet body 1. Semen tubes 5 are inserted into the placement racks 4 through fasteners 8, and the semen tubes 5 collected at different times can be placed on the placement racks 4 at different levels.

[0041] A liquid nitrogen box 3 is arranged between every two adjacent placement racks 4, which can freeze the semen tubes 5 placed on the placement racks 4 at different levels. The liquid nitrogen box 3 is communicated with the liquid nitrogen tank 2 to facilitate timely replenishment of the liquid nitrogen consumed during the freezing process into the liquid nitrogen box 3. A cabinet door 6 corresponding to the placement racks 4 is arranged on the front side of the cabinet body 1. The cabinet door 6 is locked on the cabinet body 1 through a locking member 7. By opening and closing the cabinet door 6 corresponding to each layer of the placement rack 4, the overflow of low-temperature air caused during the opening and closing of the cabinet door 6 can be avoided as much as possible, thereby ensuring the freezing effect of the semen tubes 5 at other levels inside and reducing the energy consumption during the freezing process as much as possible.

[0042] In the above solution, a freezing chamber 11 with an opening facing forward is provided inside the cabinet body 1. A partition 12 is provided on the left side of the freezing chamber 11. The left side of the liquid nitrogen box 3 penetrates through the partition 12. The left side end of the liquid nitrogen box 3 is connected and communicated through a connecting pipe 31. The liquid nitrogen tank 2 is connected with a liquid nitrogen pump 22. A liquid nitrogen pipe 23 is connected to the liquid nitrogen pump 22. The liquid nitrogen pipe 23 is connected to the connecting pipe 31 through a connecting sleeve 24. Thus, the disassembly and assembly of the liquid nitrogen pipe 23 and the connecting pipe 31 can be effectively realized.

[0043] As an optimized technical solution of the present utility model, the setting of the partition 12 can facilitate the installation work of the liquid nitrogen box 3 and can also separate the connecting pipelines between the placement rack 4 and the liquid nitrogen tank 3. This is not only beneficial to the effective freezing of the semen tubes 5 on the placement rack 4 but also can ensure the effective disassembly, assembly, and maintenance of the liquid nitrogen tank 3. An adding port 21 is also provided on the liquid nitrogen tank 2 to facilitate the replenishment of liquid nitrogen into the liquid nitrogen tank 2.

[0044] In the above solution, first sliding grooves 121 are equidistantly arranged from top to bottom on the right end face of the partition 12. Second sliding grooves 111 corresponding to the first sliding grooves 121 are provided on the right inner wall of the freezing chamber 11. Guide sliding edges 44 are respectively provided on both sides of the placement rack 4. The two guide sliding edges 44 are respectively slidably connected in the corresponding first sliding grooves 121 and second sliding grooves 111.

[0045] As an optimized technical solution of the present utility model, a handle 43 is provided on the front side of the placement rack 4. The handle 43 facilitates the sliding in and out of the placement rack 4 in the cabinet body 1. Guide sliding edges 44 are provided on both sides of the placement rack 4, and rollers 45 are arranged along the length direction of the guide sliding edges 44. This can ensure that the placement rack 4 slides more smoothly under the action of the rollers 45 on the guide sliding edges 44 and can also prevent the situation of jamming during the pulling process.

[0046] In the above solution, the placement rack 4 is of a frame structure. At least three placement plates 41 are equidistantly arranged inside the placement rack 4. At least five insertion holes 42 are equidistantly arranged on the placement plates 41. The longitudinal section of the insertion holes 42 is in the shape of an inverted isosceles trapezoid. The insert 8 is inserted into the insertion holes 42, and the semen tube 5 is inserted into the insert 8. A pull-out plate 43 is provided on the front side of the placement rack 4.

[0047] As an optimized technical solution of the present utility model, at least three placement plates 41 and at least five insertion holes 42 provided on each placement plate can ensure that more semen tubes 5 can be placed in the placement rack 4 to ensure that enough semen can be provided during the breeding process and improve the milk sheep production.

[0048] In the above solution, the upper end of the insert 8 is in a cylindrical shape. At least three elastic clamping plates 81 extending downward are annularly arranged at the bottom of the insert 8. The elastic clamping plates 81 are in a sheet structure with a larger upper part and a smaller lower part.

[0049] As an optimized technical solution of the present utility model, the elastic clamping plates 81 at the lower end of the plug-in member 8 are structured with a larger upper part and a smaller lower part, which allows them to approach each other. Thus, when semen tubes 5 of different sizes are inserted into the insertion holes 42, the distance between the elastic clamping plates 81 at the lower end of the plug-in member 8 can be adjusted according to the specific shape of the insertion holes 42, thereby effectively clamping and fixing the semen tubes 5. Semen tubes 5 of different thicknesses can be clamped and fixed in the insertion holes 42, facilitating their sliding into the cabinet body 1 along with the placement rack 4 for cryopreservation.

[0050] In the above solution, two symmetric ventilation mesh plates 13 are provided at the bottom of the front side of the cabinet body 1, and support feet 14 are respectively provided at the four corners of the bottom of the cabinet body 1.

[0051] As an optimized technical solution of the present utility model, the ventilation mesh plates 131 can dissipate the heat generated during the operation of the refrigeration compressor at the bottom of the cabinet body 1, ensuring the service life of the refrigeration compressor. The support feet 14 can suspend the cabinet body 1, preventing the bottom of the cabinet body 1 from being in contact with the ground for a long time and causing corrosion.

[0052] In the above solution, a display control panel 9 is provided on the right end face of the cabinet body 1.

[0053] As an optimized technical solution of the present utility model, the display control panel 9 can be used to display and regulate the temperature inside the semen freezer, facilitating the control by the staff and ensuring the freezing effect of the freezer.

[0054] In the above solution, a sealing groove 15 is provided on the front side of the cabinet body 1, an annular sealing gasket 61 is provided on the inner end face of the cabinet door 6, the left side of the cabinet door 6 is rotatably connected to the left side of the sealing groove 15 through a hinge shaft 62, and a locking member 7 is provided on the right side of the cabinet door 6.

[0055] As an optimized technical solution of the present utility model, by providing an annular sealing gasket 61 inside the cabinet door 6 and corresponding the annular sealing gasket 61 to the sealing groove 15, the leakage of low-temperature air inside the freezing chamber 11 can be prevented, ensuring the sealing performance of the freezer, and the cabinet door 6 is locked by the locking member 7.

[0056] In the above solution, the locking member 7 includes a rotating handle 71, a locking plate 72, a rotating shaft 73, and a torsion spring 74. A locking groove 151 is provided on the right side of the sealing groove 15. The rotating shaft 73 passes through the middle of the right side of the cabinet door 6. One end of the rotating handle 71 is connected to the outer end of the rotating shaft 73, one end of the locking plate 72 is connected to the inner end of the rotating shaft 73, and the torsion spring 74 is provided between the locking plate 72 and the cabinet door 6.

[0057] As an optimized technical solution of the present utility model, by rotating the handle 71, the locking plate 72 is driven to rotate through the rotating shaft 73, so that the locking plate 72 can be rotated into or out of the locking groove 151 provided on the side wall of the sealing groove 15, thereby realizing the locking or unlocking of the cabinet door 6. At the same time, the locking plate 72 can be maintained in the locked state by the torsion spring 74 to prevent the locking plate 72 from accidentally sliding out of the locking groove 151 and causing the locking member 7 to lose the locking effect on the cabinet door 6.

[0058] Specific implementation case:

[0059] When the semen freezer is needed to be used, the handle 71 can be rotated to make the locking plate 72 rotate out of the locking groove 151, and then the cabinet door 6 can be opened.

[0060] Then, the placement rack 4 is pulled out by the handle 43 by utilizing the sliding fit relationship between the guide slide 44 and the first chute 121 and the second chute 111. The semen tube 5 is inserted into the insertion hole 42 for fixation, or the semen tube 5 is inserted into the fixture 8, and the semen tube 5 is inserted into the insertion hole 42 through the fixture 8. When the semen tube 5 is inserted into the insertion hole 42 through the fixture 8, the elastic clamping plate 81 at the lower end of the fixture 8 can clamp and fix the semen tube 5 in cooperation with the special structure of the insertion hole 42 to realize the fixation of semen tubes 5 of different sizes.

[0061] Finally, the placement rack 4 can be pushed into the freezing chamber 11, the cabinet door 6 is closed again, and the cabinet door 6 is locked by the locking member 7. At the same time, liquid nitrogen can be supplemented to the liquid nitrogen box 3 by the liquid nitrogen tank 2, and the semen tubes 5 on the placement rack 4 are frozen by cooperating with the refrigeration compressor at the bottom of the cabinet body 1 and the liquid nitrogen box 3 to ensure the freezing effect of the semen tubes 5.

[0062] The specific implementation manners described above further elaborate on the purpose, technical solution and beneficial effects of the present utility model. It should be understood that the above description is only the specific implementation manners of the present utility model and is not used to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A semen freezer for dairy sheep breeding, comprising a cabinet body (1), a refrigeration compressor arranged inside the bottom of the cabinet body (1), and a liquid nitrogen tank (2) arranged on the top, characterized in that: At least three placement racks (4) are equidistantly arranged in the cabinet body (1) from top to bottom, and the placement racks (4) can slide in and out of the cabinet body (1). Semen tubes (5) are inserted into the placement racks (4) through inserting members (8). A liquid nitrogen box (3) is arranged between every two adjacent placement racks (4), and the liquid nitrogen box (3) is communicated with the liquid nitrogen tank (2). A cabinet door (6) corresponding to the placement rack (4) is arranged on the front side of the cabinet body (1), and the cabinet door (6) is locked on the cabinet body (1) through a locking member (7).

2. The semen freezer for dairy sheep breeding according to claim 1, wherein: A freezing chamber (11) with an opening facing forward is arranged in the cabinet body (1). A partition board (12) is arranged on the left side of the freezing chamber (11), and the left side of the liquid nitrogen box (3) penetrates through the partition board (12). The left ends of the liquid nitrogen boxes (3) are communicated through a connecting pipe (31). The liquid nitrogen tank (2) is connected with a liquid nitrogen pump (22), and a liquid nitrogen pipe (23) is connected to the liquid nitrogen pump (22). The liquid nitrogen pipe (23) is connected with the connecting pipe (31) through a connecting sleeve (24).

3. The semen freezer for dairy sheep breeding according to claim 2, characterized in that: First sliding grooves (121) are equidistantly arranged on the right end face of the partition board (12) from top to bottom, and second sliding grooves (111) corresponding to the first sliding grooves (121) are arranged on the inner wall of the right side of the freezing chamber (11). Guide sliding edges (44) are respectively arranged on both sides of the placement rack (4), and the guide sliding edges (44) on both sides are respectively slidably connected in the corresponding first sliding grooves (121) and second sliding grooves (111).

4. A semen freezer for dairy sheep breeding according to claim 1, characterized in that: The placement rack (4) is of a frame structure. At least three placement plates (41) are equidistantly arranged in the placement rack (4). At least five plugging holes (42) are equidistantly arranged on the placement plates (41), and the longitudinal section of the plugging holes (42) is in an inverted isosceles trapezoid shape. The inserting member (8) is plugged in the plugging hole (42), the semen tube (5) is inserted in the inserting member (8), and a pull-out plate (43) is arranged on the front side of the placement rack (4).

5. A semen freezer for dairy sheep breeding according to claim 4, characterized in that: The upper end of the inserting member (8) is in a cylindrical shape, and at least three elastic clamping plates (81) extending downward are annularly arranged at the bottom of the inserting member (8). The elastic clamping plates (81) are in a sheet structure with a larger upper part and a smaller lower part.

6. The semen freezer for dairy sheep breeding according to claim 1, characterized in that: Two symmetrically arranged ventilation net plates (13) are arranged at the bottom of the front side of the cabinet body (1), and supporting feet (14) are respectively arranged at the four corner positions of the bottom of the cabinet body (1).

7. A semen freezer for dairy sheep breeding according to claim 1, characterized in that: A display control panel (9) is arranged on the right end face of the cabinet body (1).

8. A semen freezer for dairy sheep breeding according to claim 1, characterized in that: A sealing groove (15) is arranged on the front side of the cabinet body (1). An annular sealing gasket (61) is arranged on the inner end face of the cabinet door (6). The left side of the cabinet door (6) is rotatably connected to the left side of the sealing groove (15) through a hinge shaft (62), and the locking member (7) is arranged on the right side of the cabinet door (6).

9. The semen freezer for dairy sheep breeding according to claim 8, characterized in that: The locking member (7) includes a rotating handle (71), a locking plate (72), a rotating shaft (73) and a torsion spring (74). A locking groove (151) is arranged on the right side of the sealing groove (15), and the rotating shaft (73) penetrates through the middle of the right side of the cabinet door (6). One end of the rotating handle (71) is connected to the outer end of the rotating shaft (73), one end of the locking plate (72) is connected to the inner end of the rotating shaft (73), and the torsion spring (74) is arranged between the locking plate (72) and the cabinet door (6).

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