Sleeve type guide rail mechanism for ultralow-temperature heat preservation box

Abstract

The utility model discloses a sleeve type guide rail mechanism for an ultra-low temperature heat preservation box, which relates to the technical field of ultra-low temperature heat preservation boxes and comprises a guide rail cylinder and a guide rail rod slidably arranged in the guide rail cylinder, a guide rail front positioning block and a guide rail rear supporting block are respectively arranged at the ends, far away from each other, of the guide rail cylinder and the guide rail rod, and a drawer panel is arranged at the end of the guide rail cylinder. A guide rail front supporting block is fixedly arranged on the side wall of the drawer panel, a guide rail rear positioning block is arranged on the side wall of the guide rail rear supporting block in a matched mode, a lantern ring is arranged at the end of the guide rail cylinder through a connecting assembly, an annular groove is formed in the inner wall of the lantern ring, and an auxiliary defrosting scraping ring rotationally penetrates through the inner wall of the annular groove. According to the guide rail cylinder, the guide rail rod, the lantern ring, the connecting assembly and the auxiliary defrosting scraping ring, on the premise that pollution to the interior of the heat preservation box is avoided as much as possible, the heat preservation box drawer assembly can be stably pulled and supported through the guide rail.

Description

Technical Field

[0001] The utility model relates to the technical field of ultra-low temperature insulation boxes, in particular to a sleeve type guide rail mechanism used for ultra-low temperature insulation boxes. Background Art

[0002] The ultra-low temperature insulation box is a device that can maintain a stable temperature inside the box in an extremely low temperature environment. Its working principle is mainly to take away the heat in the box through the refrigeration system, thereby achieving an ultra-low temperature environment for effective storage of materials.

[0003] The existing ultra-low temperature insulation box needs to be stably pulled out and drawn when in use, and at this time, a guide rail is required to cooperate. The traditional guide rail is a flat slide rail, and lubricating oil is required for stable sliding inside. The setting of the lubricating oil is easy to contaminate the material inside the insulation box, reducing the use effect of the insulation box.

[0004] Therefore, we propose a sleeve-type guide rail mechanism for an ultra-low temperature incubator to solve the above problems. Utility Model Content

[0005] In view of the above problems existing in the existing sleeve-type guide rail mechanism used for ultra-low temperature insulation boxes, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a sleeve-type guide rail mechanism for an ultra-low temperature insulation box, which solves the problem that the traditional guide rail is a flat slide rail, which requires lubricating oil for stable sliding inside, and the setting of the lubricating oil is easy to contaminate the material inside the insulation box.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A sleeve-type guide rail mechanism for an ultra-low temperature insulation box, comprising a guide rail cylinder and a guide rail rod slidably arranged inside the guide rail cylinder, the guide rail cylinder and the guide rail rod are respectively provided with a guide rail front positioning block and a guide rail rear support block at one end away from each other, a drawer panel is provided at the end of the guide rail cylinder, the side wall of the drawer panel is fixedly provided with a guide rail front support block, and the side wall of the guide rail rear support block is matched with a guide rail rear positioning block;

[0009] The end of the guide rail cylinder is provided with a collar through a connecting assembly, the inner wall of the collar is provided with an annular groove, and the inner wall of the annular groove is rotatably penetrated with an auxiliary defrost scraper ring.

[0010] Preferably, a plurality of connection holes are provided inside the guide rail rear support block, the guide rail rear positioning block, the guide rail front support block and the guide rail front positioning block.

[0011] Preferably, a movable positioning block is fixedly provided at the end of the guide rail rod, and the movable positioning block is fixedly connected to the guide rail rear support block via a connecting rod.

[0012] Preferably, the connecting assembly includes two symmetrically arranged connecting bolts, the connecting bolts are threadedly arranged inside the collar, and the end of the guide rail cylinder is provided with a first thread groove that cooperates with the connecting bolts.

[0013] Furthermore, a groove is provided on the outer wall of the sleeve ring, a positioning bolt is threaded through the inner thread of the groove, and a second thread groove for matching with the positioning bolt is provided on the outer wall of the auxiliary defrost scraper ring.

[0014] Preferably, the inner wall of the auxiliary defrost scraper ring is configured in a pointed cone shape.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. The utility model, through the guide rail cylinder, guide rail rod, sleeve ring, connection assembly and auxiliary defrosting scraper ring, can make the guide rail stably pull out and support the incubator drawer assembly while avoiding pollution to the inside of the incubator as much as possible.

[0017] 2. The utility model can stably set the position of the guide rail by providing the front support block of the guide rail, the rear support block of the guide rail, the front positioning block of the guide rail and the rear positioning block of the guide rail, thereby ensuring the running stability of the guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the connection structure of the guide rail cylinder and the guide rail rod of the utility model;

[0021] Figure 3 For the utility model Figure 2 An enlarged schematic diagram of part A.

[0022] Description of reference numerals:

[0023] 1. Guide rail cylinder; 2. Guide rail rod; 3. Guide rail front positioning block; 4. Guide rail rear support block; 5. Drawer panel; 6. Guide rail front support block; 7. Guide rail rear positioning block; 8. Ring; 9. Auxiliary defrost scraper ring; 10. Connecting hole; 11. Movable positioning block; 12. Connecting rod; 13. Connecting bolt; 14. Positioning bolt. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a sleeve type guide rail mechanism for an ultra-low temperature insulation box.

[0026] The utility model provides Figure 1-3 A sleeve-type guide rail mechanism for an ultra-low temperature insulation box shown in the figure comprises a guide rail cylinder 1 and a guide rail rod 2 slidably arranged inside the guide rail cylinder 1, a guide rail front positioning block 3 and a guide rail rear support block 4 are respectively arranged at the ends away from each other of the guide rail cylinder 1 and the guide rail rod 2, a drawer panel 5 is arranged at the end of the guide rail cylinder 1, a guide rail front support block 6 is fixedly arranged on the side wall of the drawer panel 5, a guide rail rear positioning block 7 is matched with the side wall of the guide rail rear support block 4, a plurality of connecting holes 10 are opened inside the guide rail rear support block 4, the guide rail rear positioning block 7, the guide rail front support block 6 and the guide rail front positioning block 3, a movable positioning block 11 is fixedly arranged at the end of the guide rail rod 2, and the movable positioning block 11 is fixedly connected to the guide rail rear support block 4 through a connecting rod 12;

[0027] The end of the guide rail cylinder 1 is provided with a collar 8 through a connecting assembly, the inner wall of the collar 8 is provided with an annular groove, the inner wall of the annular groove is rotatably penetrated with an auxiliary defrost scraper ring 9, and the inner wall of the auxiliary defrost scraper ring 9 is arranged in a pointed cone shape.

[0028] When the insulation box is in use, the guide rail front support block 6 and the guide rail front positioning block 3, as well as the guide rail rear positioning block 7 and the guide rail rear support block 4 can be connected through the connecting hole 10 and the external bolt and nut assembly, and the position of the guide rail can be fixed. At this time, the guide rail can be connected to the insulation box and the drawer panel 5. When the insulation box is in use, the sliding cooperation of the guide rail cylinder 1 and the guide rod 2 can make the insulation box drawer stably pulled and pulled, and reduce the contamination of the lubricating oil. At the same time, when the guide rail cylinder 1 moves, the ring 8 can drive the auxiliary defrost scraper ring 9 to move, scrape the frost on the surface of the guide rod 2, and ensure the stable cooperation between the guide rail cylinder 1 and the guide rod 2.

[0029] In order to fix the position of the collar 8, Figure 2-3As shown, the connecting assembly includes two symmetrically arranged connecting bolts 13, the connecting bolts 13 are threaded inside the collar 8, the end of the guide rail cylinder 1 is provided with a first thread groove that cooperates with the connecting bolts 13, the outer wall of the collar 8 is provided with a groove, and a positioning bolt 14 is threaded through the inner thread of the groove, and the outer wall of the auxiliary defrost scraper ring 9 is provided with a second thread groove that cooperates with the positioning bolt 14.

[0030] With the cooperation of the first thread groove and the connecting bolt 13, the collar 8 can be stably connected to the guide rail cylinder 1 and move along with the guide rail cylinder 1. At the same time, with the cooperation of the second thread groove and the positioning bolt 14, the auxiliary defrost scraper ring 9 can be fixed, so that the auxiliary defrost scraper ring 9 can move stably along the surface of the guide rail rod 2 and perform defrosting and cleaning.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sleeve-type guide rail mechanism for a cryogenic incubator, comprising a guide rail cylinder (1) and a guide rail rod (2) slidably arranged inside the guide rail cylinder (1), characterized in that: A guide rail front positioning block (3) and a guide rail rear support block (4) are respectively provided at one end away from the guide rail cylinder (1) and the guide rail rod (2); a drawer panel (5) is provided at the end of the guide rail cylinder (1); a guide rail front support block (6) is fixedly provided on the side wall of the drawer panel (5); and a guide rail rear positioning block (7) is matched with the side wall of the guide rail rear support block (4); The end of the guide rail cylinder (1) is provided with a collar (8) through a connecting assembly, the inner wall of the collar (8) is provided with an annular groove, and the inner wall of the annular groove is rotatably penetrated by an auxiliary defrosting scraper ring (9).

2. The sleeve-type guide rail mechanism for a cryogenic incubator according to claim 1, characterized in that: The guide rail rear support block (4), the guide rail rear positioning block (7), the guide rail front support block (6) and the guide rail front positioning block (3) are all provided with a plurality of connection holes (10) inside.

3. The sleeve-type guide rail mechanism for a cryogenic incubator according to claim 1, characterized in that: A movable positioning block (11) is fixedly provided at the end of the guide rail rod (2), and the movable positioning block (11) is fixedly connected to the guide rail rear support block (4) via a connecting rod (12).

4. The sleeve-type guide rail mechanism for a cryogenic incubator according to claim 1, characterized in that: The connection assembly comprises two symmetrically arranged connection bolts (13), wherein the connection bolts (13) are threadedly arranged inside the collar (8), and the end of the guide rail cylinder (1) is provided with a first thread groove that cooperates with the connection bolts (13) for connection.

5. The sleeve-type guide rail mechanism for a cryogenic incubator according to claim 1, characterized in that: The outer wall of the collar (8) is provided with a groove, a positioning bolt (14) is threaded through the inner thread of the groove, and the outer wall of the auxiliary defrost scraper ring (9) is provided with a second thread groove that cooperates with the positioning bolt (14) for connection.

6. The sleeve-type guide rail mechanism for a cryogenic incubator according to claim 1, characterized in that: The inner wall of the auxiliary defrosting scraper ring (9) is arranged in a pointed cone shape.

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