Lifting hook for taking and placing pail and pail assembly

Abstract

The utility model relates to the technical field of lifting hooks of lifting barrels of liquid nitrogen tanks, aims to solve the problem that the lifting hooks of the lifting barrels in the prior art are large in bending, small in formed handheld lifting space and inconvenient to lift, and provides a lifting hook for taking and placing the lifting barrels and a lifting barrel assembly. One end of the transverse handle rod is connected with the upper end of the vertical connecting rod; the transverse lifting handle rod comprises a connecting part, a downward concave part and a lifting handle part, one end of the connecting part is connected with the upper end of the vertical connecting rod, the connecting part is used for being matched with a liquid nitrogen tank opening, the other end of the connecting part is connected with one end of the downward concave part, the downward concave part is matched with a liquid nitrogen tank sealing ring, and the other end of the downward concave part is connected with one end of the lifting handle part; the handle part adopts an inclined rod which is inclined downwards; the lifting hook can be stably hung on the opening of the liquid nitrogen tank, and the tail end of the lifting hook is the inclined rod which is inclined downwards, so that force exerting and extraction are facilitated, and the lifting hook can be prevented from sliding off during extraction.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid nitrogen tank lifting hook technical field, specifically, relate to a kind of lifting hook and bucket assembly for bucket taking and placing. BACKGROUND

[0002] Liquid nitrogen tank is used for the storage and transportation of liquid nitrogen, and is used for the cryopreservation of biological tissues without destroying their biological activity. The liquid nitrogen tank bucket is a component of the liquid nitrogen tank, which facilitates the storage and retrieval of biological tissue samples.

[0003] The existing lifting hook tail end is provided with a hook (as shown in Figure 1 ), which is used for the staff to hold and extract. Since the hook is bent too much, the space for holding and extracting is small, which makes it inconvenient to extract. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of lifting hook and bucket assembly for bucket taking and placing to solve the problem that the bucket lifting hook is bent too much in the prior art, the space for holding and extracting is small, which leads to the inconvenience of extraction.

[0005] The utility model is implemented by the following technical solutions:

[0006] The utility model provides a kind of lifting hook for bucket taking and placing, including vertical connecting rod and horizontal handle bar, one end of the horizontal handle bar is connected with the upper end of the vertical connecting rod;

[0007] The horizontal handle bar includes connecting portion, lower concave portion and handle portion, one end of the connecting portion is connected with the upper end of the vertical connecting rod, the connecting portion is used for cooperating with the liquid nitrogen tank mouth, the other end of the connecting portion is connected with one end of the lower concave portion, the lower concave portion cooperates with the liquid nitrogen tank sealing ring, the other end of the lower concave portion is connected with one end of the handle portion, the handle portion adopts inclined rod, and the inclined rod inclines downward.

[0008] The lifting hook of the utility model is designed with lower concave portion, which cooperates with the liquid nitrogen tank sealing ring. During use, the lower concave portion is abutted to the outside of the liquid nitrogen tank sealing ring to position the lifting hook, thereby positioning the bucket. The lower concave portion can stably hang the lifting hook on the liquid nitrogen tank mouth to prevent the lifting hook and the bucket from sliding into the liquid nitrogen tank. In the utility model, the tail end of the lifting hook is designed as an inclined rod, which inclines downward. The inclined rod serves as a holding portion. The downward inclination design is convenient for exerting force, occupies small space, and can provide a large space for holding and extracting, which is convenient for the staff to extract and operate, realizes convenient hand taking in limited space, and can avoid sliding during extraction to realize stable extraction.

[0009] As a preferred technical solution:

[0010] The connecting part adopts a horizontal rod, the vertical connecting rod is arranged in the liquid nitrogen tank, and the horizontal rod horizontally extends from the tank opening of the liquid nitrogen tank.

[0011] As a preferred technical solution:

[0012] The lower recess adopts a U-shaped rod, the U-shaped rod has a lower recess structure, and the U-shaped rod abuts against the outer side of the sealing ring of the liquid nitrogen tank.

[0013] As a preferred technical solution:

[0014] The lower recess is not limited to a U-shaped rod, and a W-shaped or other structure with a lower recess structure can also be used, as long as the positioning effect can be met.

[0015] As a preferred technical solution:

[0016] The inclined rod is further provided with a bending part at the lower end of the inclined rod.

[0017] The smaller bending part can further avoid sliding during extraction.

[0018] As a preferred technical solution:

[0019] The vertical connecting rod and the transverse handle rod adopt an integrally formed structure.

[0020] As a preferred technical solution:

[0021] The vertical connecting rod and the transverse handle rod adopt an integrally formed structure.

[0022] The utility model further provides a bucket assembly which comprises the lifting hook, the heat insulation pipe and the bucket for taking and placing the bucket.

[0023] As a preferred technical solution:

[0024] The vertical connecting rod and the transverse handle rod adopt an integrally formed structure.

[0025] As a preferred technical solution:

[0026] The vertical connecting rod and the transverse handle rod adopt an integrally formed structure.

[0027] As a preferred technical solution:

[0028] 1. The lifting hook of the utility model is designed with a U-shaped concave part, which cooperates with the sealing ring of the liquid nitrogen tank, ensures that the lifting hook can be stably hung on the tank mouth of the liquid nitrogen tank, positions the lifting hook and the pail, avoids displacement of the lifting hook and the pail, and prevents the lifting hook and the pail from sliding into the liquid nitrogen tank.

[0029] 2. The tail end of the lifting hook of the utility model is designed as an inclined rod, which is downwardly inclined, on one hand, facilitates force exertion, occupies small space, can hold a large space for extraction, facilitates extraction operation of the staff, and realizes convenient hand picking in limited space, and on the other hand, can avoid sliding during extraction and realize stable extraction.

[0030] 3. The downwardly inclined end of the inclined rod of the utility model is further provided with a bending part, and the small bending part can further avoid sliding during extraction.

[0031] 4. The lifting hook of the utility model is simple in structure, convenient to assemble and convenient to mass produce and manufacture.

[0032] 5. The pail assembly of the utility model is convenient to extract and operate due to the designed lifting hook. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a structural schematic view of the prior art lifting hook.

[0034] Figure 2 It is a structural schematic view of the lifting hook for pail picking and placing according to the utility model.

[0035] Figure 3 It is a front view of the pail assembly according to the utility model.

[0036] Figure 4 It is a top view of the pail assembly according to the utility model.

[0037] Figure legend: 1-vertical connecting rod, 2-horizontal handle rod, 201-connection part, 202-concave part, 203-handle part, 204-bending part, 3-heat insulation pipe, 4-pail connecting rod, 5-pail, 6-lifting hook. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0039] Embodiment 1

[0040] As Figure 2 The embodiment proposes a lifting hook for lifting and placing a bucket, which comprises a vertical connecting rod 1 and a horizontal lifting handle rod 2, one end of the horizontal lifting handle rod 2 is connected with the upper end of the vertical connecting rod 1, and the lower end of the vertical connecting rod 1 is used for being connected with an adiabatic pipe 3.

[0041] The horizontal lifting handle rod 2 comprises a connecting part 201, a lower concave part 202 and a lifting handle part 203, one end of the connecting part 201 is connected with the upper end of the vertical connecting rod 1, the other end of the connecting part 201 is connected with one end of the lower concave part 202, and the other end of the lower concave part 202 is connected with one end of the lifting handle part 203.

[0042] In the embodiment, the connecting part 201 adopts a horizontal rod, which is used for cooperating with the opening of a liquid nitrogen tank, in use, the vertical connecting rod 1 is placed in the liquid nitrogen tank, and the horizontal rod horizontally extends out of the opening of the liquid nitrogen tank.

[0043] The lower concave part 202 adopts a U-shaped rod, which has a lower concave structure relative to the horizontal rod, the U-shaped rod cooperates with a sealing ring of the liquid nitrogen tank, and the U-shaped rod abuts against the outer side of the sealing ring of the liquid nitrogen tank, so as to position the lifting hook, thereby positioning the bucket 5, and the U-shaped rod can stably hang the lifting hook on the opening of the liquid nitrogen tank, and prevent the lifting hook and the bucket 5 from sliding into the liquid nitrogen tank. The lower concave part 202 is not limited to the U-shaped rod, and a W-shaped or other structure having a lower concave structure can also be adopted, as long as the positioning effect can be achieved.

[0044] The lifting handle part 203 adopts an inclined rod, which is inclined downward, and the inclined rod serves as a hand-holding part, the design of the inclined rod inclined downward can facilitate force exertion, has a small occupied space, can have a large space for hand-holding and extraction, facilitates the staff to perform the extraction operation, realizes that the bucket can be conveniently held and taken in the limited space, and can avoid the sliding during the extraction, and realizes the stable extraction. The inclined rod further comprises a bending part 204 at one end of the inclined rod inclined downward, and the small bending part 204 can further avoid the sliding during the extraction.

[0045] In the embodiment, the vertical connecting rod 1 and the horizontal lifting handle rod 2 adopt an integrally formed structure.

[0046] The lifting hook of the utility model is designed with the U-shaped lower concave part 202, which cooperates with the sealing ring of the liquid nitrogen tank, so that the lifting hook can be stably hung on the opening of the liquid nitrogen tank, the lifting hook and the bucket 5 are positioned, the displacement of the lifting hook and the bucket 5 is avoided, the lifting hook and the bucket 5 are prevented from sliding into the liquid nitrogen tank, and the tail end of the lifting hook of the utility model is designed as the inclined rod, the design of the inclined rod inclined downward not only facilitates force exertion, but also facilitates the staff to stably extract.

[0047] Embodiment 2

[0048] AsFigure 3 and Figure 4 As shown in Fig. 1, the embodiment provides a bucket assembly, which comprises the hook 6, the heat insulation pipe 3 and the bucket 5, the lower end of the hook 6 is connected with the upper end of the heat insulation pipe 3, specifically, the vertical connecting rod 1 of the hook 6 is bonded with the heat insulation pipe 3 through low-temperature glue, and the lower end of the heat insulation pipe 3 is connected with the bucket 5 through the bucket connecting rod 4. The heat insulation pipe 3 can not only reduce the cold loss in the liquid nitrogen tank, but also avoid the low-temperature damage to the workers.

[0049] The bucket assembly of the utility model is convenient to take out and operate due to the design of the hook 6.

[0050] The preferred embodiments of the utility model are described above only, and are not used to limit the utility model, and the utility model can have various changes and changes for the skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lifting hook for lifting and placing a bucket, characterized in that: it comprises a vertical connecting rod and a horizontal handle rod, one end of the horizontal handle rod being connected to the upper end of the vertical connecting rod; the horizontal handle rod comprises a connecting part, a lower recessed part and a handle part, one end of the connecting part being connected to the upper end of the vertical connecting rod, the connecting part being used for cooperating with the opening of a liquid nitrogen tank, the other end of the connecting part being connected to one end of the lower recessed part, the lower recessed part being used for cooperating with the sealing ring of the liquid nitrogen tank, the other end of the lower recessed part being connected to one end of the handle part, and the handle part adopts an inclined rod which is inclined downward.

2. The lifting hook for lifting and placing a bucket according to claim 1, characterized in that: the connecting part adopts a horizontal rod, and the vertical connecting rod is used for being placed in the liquid nitrogen tank, and the horizontal rod horizontally extends out of the opening of the liquid nitrogen tank.

3. The lifting hook for lifting and placing a bucket according to claim 1, characterized in that: the lower recessed part adopts a U-shaped rod which has a lower recessed structure and abuts against the outer side of the sealing ring of the liquid nitrogen tank.

4. The lifting hook for lifting and placing a bucket according to claim 1, characterized in that: the inclined rod further comprises a bending part at the end which is inclined downward.

5. The lifting hook for lifting and placing a bucket according to any one of claims 1-4, characterized in that: the vertical connecting rod and the horizontal handle rod adopt an integrally formed structure.

6. The lifting hook for lifting and placing a bucket according to any one of claims 1-4, characterized in that: the vertical connecting rod and the connecting part, the connecting part and the lower recessed part, and the lower recessed part and the handle part are connected through smooth transitions.

7. A bucket assembly, characterized in that: it comprises the lifting hook for lifting and placing a bucket according to any one of claims 1-6, an insulating tube and a bucket, the lower end of the lifting hook being connected to the upper end of the insulating tube, and the lower end of the insulating tube being connected to the bucket through a bucket connecting rod.

8. The bucket assembly according to claim 7, characterized in that: the lower end of the vertical connecting rod of the lifting hook is connected to the upper end of the insulating tube.

9. The bucket assembly according to claim 8, characterized in that: the vertical connecting rod is bonded to the insulating tube through low-temperature glue. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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