A self-extending dyeing rack with anti-spilling
The automatic telescopic staining rack is self-locking and fixed by a combination of limiting blocks and positioning blocks, which solves the problem of unstable fixing in the prior art, ensures the stability of the staining rack in any position and prevents staining solution from spilling, thus improving the reliability of experimental operations.
Patent Information
- Application Number
- CN202521290593.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-23
- Publication Date
- 2026-06-12
- Estimated Expiration
- 2035-06-23
Smart Images
Figure CN224354182U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dyeing rack technology, and in particular to an automatic telescopic dyeing rack with spill prevention. Background Technology
[0002] Staining racks are indispensable basic experimental instruments in biological, medical testing, and pathology laboratories. Their main function is to provide a stable and orderly support platform for microscope slides during the staining process of cells or tissue smears. The staining process typically involves multiple steps such as soaking, rinsing, and dehydration, requiring various different staining solutions and reagents. To accommodate different batches of slides, save workbench space, or fit staining cylinders of specific sizes, automatically retractable staining racks with adjustable lengths have been developed. Furthermore, in certain special applications (such as mobile laboratories or shipboard operations), spill prevention of staining solutions is particularly important. Therefore, developing a structurally stable and fully functional automatically retractable staining rack has significant practical value.
[0003] In existing technologies, automatic telescopic staining racks typically employ a sleeve-type or sliding rail structure to achieve length adjustment. Their basic structure consists of a main frame and one or more sliding extension rods or arms. Operators can change the overall length of the staining rack by extending or pushing back the extension rods, thereby increasing or decreasing the number of slides it can hold. After adjustment to the desired length, some staining racks are passively fixed by the friction between the extension rods and the main frame, while others with slightly more complex designs use a manually tightened locking screw or a spring pin engaged in a pre-set hole to lock the position.
[0004] However, existing telescopic staining racks generally suffer from structural instability and unreliable locking mechanisms. For racks secured solely by friction, even slight bumps or vibrations of the work surface during slide placement or removal can cause the extension rod to retract or slip out unexpectedly, disrupting the intended layout. Designs using locking screws or spring pins typically have a few preset locking positions, preventing precise fixation at arbitrary locations and resulting in poor flexibility. More critically, when the operator pulls the rack out to a position other than the preset hole, these structures fail to provide effective self-locking; the extension remains unstable, prone to arbitrary extension or retraction. This not only inconveniences experimental operations but also affects the overall stability and reliability of the staining rack. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides an automatic telescopic dyeing rack with spill prevention, which aims to improve the problem that the automatic telescopic dyeing rack is prone to extending and retracting arbitrarily when the telescopic rack is pulled out.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automatic telescopic dyeing rack with spill prevention, comprising a shell, a drying box inside the shell, a storage box inside the shell, a support rod fixedly connected inside the shell, and a positioning component inside the support rod;
[0007] The positioning component includes a limiting block, which is slidably connected inside the support rod. A positioning groove is fixedly connected to one side of the limiting block, and the positioning groove is slidably connected inside the extension rod. A baffle is fixedly connected to one end of the extension rod. A positioning block is slidably connected inside the limiting block. A positioning groove is opened inside the support rod, and the positioning block is fitted into the positioning groove. A limiting component is provided at one end of the positioning block, and a reset component is provided inside the limiting block.
[0008] As a further description of the above technical solution:
[0009] The limiting component includes a limiting plate, which is slidably connected inside the limiting block, and one side of the limiting plate is fixedly connected to one end of the positioning block.
[0010] As a further description of the above technical solution:
[0011] The reset assembly includes a telescopic rod, the outer wall of which is fitted with a spring, and both ends of the telescopic rod and the spring are fixedly connected between the limiting plates.
[0012] As a further description of the above technical solution:
[0013] The support rod has a limiting groove inside, and a crossbar is fixedly connected to one side of the extension rod.
[0014] As a further description of the above technical solution:
[0015] An anti-slip pad is fixedly connected to the top of the crossbar, and the anti-slip pad is used to prevent slipping.
[0016] As a further description of the above technical solution:
[0017] The anti-slip mat has a base on top, and a suction cup is fixedly connected to the top of the base.
[0018] As a further description of the above technical solution:
[0019] A second baffle is fixedly connected to the top of the chassis to prevent the dyeing solution from spilling.
[0020] As a further description of the above technical solution:
[0021] The suction cup is used to prevent the smear from falling off and to fix it in place.
[0022] This utility model has the following beneficial effects:
[0023] 1. In this utility model, one end of the extension rod is first limited and positioned within the support rod by a limiting block. At the same time, the positioning block inside the limiting block is fitted into the positioning groove for positioning. The positioning block is limited within the limiting block by a limiting plate, preventing the limiting block from sliding freely within the support rod. This achieves the self-locking effect of the dyeing rack, solves the problem of the automatic telescopic dyeing rack easily extending and retracting when the telescopic rack is pulled out, and improves the stability of the automatic telescopic dyeing rack.
[0024] 2. In this utility model, the coating is adsorbed onto the top of the chassis by a suction cup, and the chassis is placed on the top of the crossbar by an anti-slip pad. The anti-slip pad allows the chassis to move freely. When dyeing the coating, the second baffle can prevent the dyeing liquid from spilling, thus achieving the effect of fixing the coating. This solves the problem of easy misalignment and falling off in swaying scenarios such as at sea, and improves the practicality of the dyeing rack. Attached Figure Description
[0025] Figure 1 This is a perspective view of an automatic telescopic dyeing rack with spill prevention proposed in this utility model;
[0026] Figure 2 This is a schematic diagram of the support rod structure of an automatic telescopic dyeing rack with spill prevention proposed in this utility model;
[0027] Figure 3 This is a schematic diagram of the internal structure of the support rod of an automatic telescopic dyeing rack with spill prevention proposed in this utility model.
[0028] Figure 4 This is a schematic diagram of the suction cup structure of an automatic telescopic dyeing rack with spill prevention proposed in this utility model.
[0029] Legend:
[0030] 1. Shell; 2. Drying oven; 3. Storage box; 4. Support rod; 5. Baffle 1; 6. Limiting groove; 7. Extension rod; 8. Crossbar; 9. Positioning groove; 10. Limiting block; 11. Limiting plate; 12. Positioning block; 13. Telescopic rod; 14. Spring; 15. Anti-slip pad; 16. Chassis; 17. Baffle 2; 18. Suction cup. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Reference Figures 1-3 This utility model provides an embodiment of an automatic telescopic staining rack with spill prevention, comprising a housing 1, which provides an integrated outer shell for housing and protecting the internal components. A drying chamber 2 is located inside the housing 1, providing a heating environment for rapidly drying stained slides. A storage box 3 is located inside the housing 1, providing a sealed space for storing spare slides, reagents, or other experimental consumables. A support rod 4 is fixedly connected inside the housing 1, serving as a fixed base and external guide rail for the telescopic mechanism. A positioning component is located inside the support rod 4, enabling self-locking fixation of the telescopic mechanism at any extended position.
[0033] The positioning assembly includes a limiting block 10, which serves as the core slider connecting the fixed rod and the telescopic rod, and also houses the locking mechanism. The limiting block 10 is slidably connected inside the support rod 4, allowing the telescopic portion to smoothly extend and retract along the inner wall of the support rod 4. A positioning groove 9 is fixedly connected to one side of the limiting block 10, securing a component called the positioning groove 9 to the limiting block 10. The positioning groove 9 is slidably connected inside the extension rod 7, allowing the extension rod 7 to slide relative to the positioning groove 9. A baffle 5 is fixedly connected to one end of the extension rod 7, serving as the main telescopic component carrying the slide, while the baffle 5 prevents the slide from slipping off its end. A positioning block 12 is slidably connected inside the limiting block 10, acting as a movable locking pin that extends to engage with the positioning groove in the support rod 4. The support rod 4 has a positioning groove 9 inside, providing a series of locking points for the positioning block 12 to achieve segmented or arbitrary locking. The positioning block 12 engages with the positioning groove 9, its function being to securely lock the limiting block 10 (and its connected extension rod 7) onto the support rod 4 via mechanical engagement, preventing accidental slippage. A limiting component is provided at one end of the positioning block 12, its function being to control and guide the reciprocating motion of the positioning block 12. A reset component is provided inside the limiting block 10, its function being to provide an automatic ejection force for the positioning block 12, keeping it in a locked state. The limiting component includes a limiting plate 11, which serves as an extension of the positioning block 12 and a motion guide. The limiting plate 11 is slidably connected inside the limiting block 10, its function being to ensure the linear reciprocating motion trajectory of the positioning block 12 within the limiting block 10. One side of the limiting plate 11 is fixedly connected to one end of the positioning block 12, its function being to make the limiting plate 11 and the positioning block 12 move synchronously as a whole. The reset component includes a telescopic rod 13, its function being to act as a guide shaft for the spring, preventing the spring from bending during compression or extension. A spring 14 is fitted on the outer wall of the telescopic rod 13. Its function is to store elastic potential energy and provide a continuous pushing force for the positioning block 12. Both ends of the telescopic rod 13 and the spring 14 are fixedly connected between the limiting plate 11. Its function is to apply the elastic force of the spring to the limiting plate 11, thereby pushing the positioning block 12 to achieve the function of automatic locking.
[0034] Reference Figure 4The support rod 4 has a limiting groove 6 inside, which provides a precise guide rail for the corresponding slider on the extension rod 7, ensuring that the extension rod 7 can only move linearly and not rotate during extension and retraction. A crossbar 8 is fixedly connected to one side of the extension rod 7, forming a horizontal platform for supporting the tray on which the slide is placed. An anti-slip pad 15 is fixedly connected to the top of the crossbar 8, which increases the coefficient of friction of the contact surface to prevent the tray placed on it from sliding. The anti-slip pad 15 ensures that the tray placed on it remains stable even when the equipment shakes or tilts, preventing easy displacement. A tray 16 is located on top of the anti-slip pad 15, serving as an independent base for the slide, facilitating overall placement and operation. A suction cup 18 is fixedly connected to the top of the tray 16, which uses negative pressure to firmly fix the bottom of the slide (smear) to the tray. A baffle 17 is fixedly connected to the top of the base 16, forming a rim around the base and creating a shallow tray structure. The baffle 17 prevents staining solution from spilling; its function is to collect excess liquid in the tray when adding staining solution to the smear, preventing contamination of the work surface and adjacent samples. The suction cup 18 prevents the smear from falling and secures it, providing a stable fixation method for the slide, especially when the equipment is moved or shaken, effectively preventing the slide from shifting or falling due to vibration.
[0035] Working principle: When using this automatic telescopic dyeing rack with spill prevention, when installing the smear, the smear is first attached to the top of the base plate 16 by suction cup 18. The base plate 16 is placed on the top of the crossbar 8 by anti-slip pad 15. The anti-slip pad 15 allows the base plate 16 to move freely. When dyeing the smear, the dyeing solution can be prevented from spilling by baffle 2 17. The anti-slip pad 15 is supported by the crossbar 8, which achieves the effect of facilitating the fixation of the smear.
[0036] When the housing 1 is pulled out, the crossbar 8 and the extension rod 7 are connected and limited in the limiting groove 6. One end of the extension rod 7 is limited in the support rod 4 by the limiting block 10. At the same time, the positioning block 12 inside the limiting block 10 is fitted into the positioning groove 9 for positioning. The positioning block 12 is limited in the limiting block 10 by the limiting plate 11 to prevent the limiting block 10 from sliding freely in the support rod 4. The positioning block 12 is supported by the tension of the spring 14 so that it can be stably fitted into the positioning groove 9, achieving the effect of self-locking of the dyeing rack.
[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An automatic telescopic dyeing rack with spill prevention, comprising a housing (1), characterized in that: The shell (1) is equipped with a drying box (2), the shell (1) is equipped with a storage box (3), the shell (1) is fixedly connected with a support rod (4), and the support rod (4) is equipped with a positioning component. The positioning component includes a limiting block (10), which is slidably connected inside the support rod (4). A positioning groove (9) is fixedly connected to one side of the limiting block (10), and the positioning groove (9) is slidably connected inside the extension rod (7). A baffle (5) is fixedly connected to one end of the extension rod (7). A positioning block (12) is slidably connected inside the limiting block (10). A positioning groove (9) is opened inside the support rod (4). The positioning block (12) is fitted into the positioning groove (9). A limiting component is provided at one end of the positioning block (12), and a reset component is provided inside the limiting block (10).
2. The automatic telescopic dyeing rack with spill prevention as described in claim 1, characterized in that: The limiting component includes a limiting plate (11), which is slidably connected inside the limiting block (10), and one side of the limiting plate (11) is fixedly connected to one end of the positioning block (12).
3. The automatic telescopic dyeing rack with spill prevention as described in claim 1, characterized in that: The reset assembly includes a telescopic rod (13), and a spring (14) is sleeved on the outer wall of the telescopic rod (13). Both ends of the telescopic rod (13) and the spring (14) are fixedly connected between the limiting plate (11).
4. The automatic telescopic dyeing rack with spill prevention as described in claim 1, characterized in that: The support rod (4) has a limiting groove (6) inside, and a crossbar (8) is fixedly connected to one side of the extension rod (7).
5. The automatic telescopic dyeing rack with spill prevention as described in claim 4, characterized in that: The top of the crossbar (8) is fixedly connected to an anti-slip pad (15), which is used for anti-slip.
6. The automatic telescopic dyeing rack with spill prevention as described in claim 5, characterized in that: The anti-slip mat (15) is provided with a base (16) on top, and a suction cup (18) is fixedly connected to the top of the base (16).
7. The automatic telescopic dyeing rack with spill prevention as described in claim 6, characterized in that: The top of the chassis (16) is fixedly connected to a baffle (17), which is used to prevent the dyeing solution from spilling.
8. An automatic telescopic dyeing rack with spill prevention as described in claim 6, characterized in that: The suction cup (18) is used to prevent the smear from falling off and to fix it in place.