Biological safety cabinet for sample preserving fluid
By introducing damping columns and support plates into the biosafety cabinet, operators can operate and observe the equipment at close range, simplifying the filter maintenance process, solving the problems of inconvenient operation and complex maintenance in existing technologies, and improving work efficiency and filter lifespan.
Patent Information
- Application Number
- CN202422875785.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing biosafety cabinets prevent operators from working closely with and observing samples, and filter replacement is complicated, affecting operational accuracy and efficiency.
A biosafety cabinet for sample preservation solution was designed. Through the structure of damping columns and support plates, the work platform can slide out of the cabinet, allowing operators to operate at close range without having to reach in their arms. Furthermore, by setting a ventilation component outside the filter, the filter plate can be slidably replaced, avoiding the need to disassemble other parts of the cabinet.
It reduces arm fatigue, improves operational accuracy and efficiency, simplifies the filter maintenance process, and extends the filter element's lifespan.
Smart Images

Figure CN223556040U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to biological safety cabinet technical field especially relates to sample storage liquid is with biological safety cabinet. BACKGROUND
[0002] In the daily work of hospital and biological and medical related research institutions, various biological samples are processed through experiments, tests and the like, and various sample storage liquids need to be placed or stored, and the biological safety cabinet provides a relatively safe and stable operating environment for the processing of the samples, prevents harmful biological factors in the samples from infecting the operators, and avoids external pollution during sample storage to ensure the accuracy and reliability of experimental results, so the biological safety cabinet is an important equipment for the laboratory when performing biological sample related operations.
[0003] The current biological safety cabinet basically opens the glass door to a certain position after disinfection, then starts ventilation and filtration, and the operating area reaches the standard cleanliness, the lighting lamp is turned on, the operator wears the operating clothes, and the hand is stretched into the cabinet through the glass door to perform the related detection experiment and operation, and the sample process and reaction result are observed.
[0004] The existing biological safety cabinet basically needs the operator to move the glass to the corresponding space, and the hand is stretched into the cabinet through the glass door to perform various operations in order to ensure the stability of the airflow and prevent various harmful gases from directly contacting the operator. If the operation time is long, the arm needs to be kept in a fixed posture and a forced state, fatigue will occur, the operation precision and work efficiency of the personnel will decrease, and even operation errors may occur. At the same time, the general situation in the cabinet can be observed through the glass door, but since the glass door is separated from the operating platform by a distance, and the arm of the operator may block part of the view when operating in the cabinet, it is impossible to observe the details of the sample and operation comprehensively and clearly, especially the changes of the sample details, which affects the accurate judgment of the experimental results. After a long time of use, the filter in the biological safety cabinet will be affected by too much dust such as aerosol dust, thereby affecting the ventilation and filtration effect in the cabinet and affecting the sample storage. Therefore, the filter and ventilation equipment in the cabinet need to be maintained, cleaned and replaced regularly. These often need to be disassembled through the ventilation opening and ventilation pipeline, and then the filter or ventilation equipment is disassembled, and then the filter or ventilation equipment is maintained or cleaned and replaced, and then the filter or ventilation equipment is installed step by step, and then the filter or ventilation equipment is disinfected and placed again to be used, which consumes time and affects the overall performance of the biological safety cabinet. Therefore, the sample storage liquid is with biological safety cabinet is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a biological safety cabinet for sample storage liquid aims at improving the prior art operator cannot operate and observe samples more closely, the filter is replaced when the disassembly complex problem of dust accumulation.
[0006] In order to realize the above object, the utility model adopts the following technical scheme:
[0007] A kind of biological safety cabinet for sample storage liquid, including cabinet, the top of the cabinet is provided with ventilation component, the front side of the cabinet is equipped with opening, operation device is installed and arranged in the cabinet, limit component is installed in the bottom of the cabinet one side, the bracket is fixedly connected at the bottom of the cabinet;
[0008] The operation setting includes damping column, the bottom of the damping column is fixedly connected in the inside of cabinet, the top of the damping column is fixedly connected with support plate, the side of the support plate is provided with limit slot, the inside of the support plate is slidably connected with sliding block, the bottom of the sliding block is fixedly connected with telescopic rod, the bottom of the telescopic rod is fixedly connected in the inside of support plate, the top of the sliding block is fixedly connected with connecting block, the top of the connecting block is fixedly connected with moving block, the top of the support plate is placed with work platform, the opening of the cabinet is installed with glass door one, the bottom of the glass door one is rotatably connected with glass door two, the bottom of the glass door two is fixedly connected with support rod;
[0009] As further description of the above technical scheme:
[0010] The ventilation component includes filter plate, the filter plate is movably clamped in the inside of filter box, the top of the filter box is installed with baffle, the bottom of the filter box is fixedly connected with spring column, the filter box is sleeved on the outside of filter;
[0011] As further description of the above technical scheme:
[0012] The inside of the work platform is provided with sliding slot near the side of support plate, the moving block is movably connected with the sliding slot of work platform, the bottom of the work platform is installed with limit pad, the side of the work platform is rotatably installed with connecting rod, the bottom of the connecting rod is fixedly connected with limit pad, the top of the connecting rod is fixedly connected with rotation switch;
[0013] As further description of the above technical scheme:
[0014] The support plate is provided with opening, the sliding slot is formed in the inside of the opening of support plate, and the support plate and sliding block are slidably connected through the sliding slot in the inside of support plate.
[0015] As further description of the above technical scheme:
[0016] The limiting assembly comprises a limiting pin, a spring is peripherally sleeved on the limiting pin, the spring is installed inside the cabinet body, and the limiting pin is clamped and fixed through a limiting slot formed on one side of the supporting plate and the cabinet body;
[0017] As a further description of the above technical solution:
[0018] The cabinet body is fixedly connected with damping columns on both sides, and the damping columns are provided with supporting plates on the top.
[0019] As a further description of the above technical solution:
[0020] The other end of the supporting rod fixedly connected with the second glass door is rotationally connected with the cabinet body, the supporting rod body is provided with a hole, the cabinet body is provided with a ball near the hole of the supporting rod body, the hole of the supporting rod body and the ball of the cabinet body are clamped and fixed, and a transparent adhesive tape is arranged at the joint of the first glass door and the second glass door.
[0021] As a further description of the above technical solution:
[0022] The filter box is provided with a moving groove, and the filter plate is slidably inserted into the bottom of the filter box through the moving groove.
[0023] The utility model has the advantages of the following beneficial effects:
[0024] 1、 the utility model discloses, through operating assembly device, in the time of needing operation, rotation opens the second glass door, and with the ball of cabinet body fixed after sticking, with the cabinet body becomes the right angle state, presses the limiting assembly of one side of cabinet body, releases the damping column, and the damping column drives the supporting plate and the work platform to rise upwards, and the work platform is slid outwardly to the cabinet body, and after sliding to the corresponding position, rotation switch is rotated, and the limiting pad is fixed and clamped in the sliding groove in the supporting plate downwards, and the operator need not to stretch the hand into the cabinet body, and through the cooperation of the second glass door of the right angle horizontal, the operation can be carried out in front of the body, the arm fatigue degree is reduced, and close-range intuitive operation can also be carried out, and the detailed reaction of the sample can also be more clearly observed.
[0025] 2、 the utility model discloses, through setting up ventilation assembly outside the filter, when the filter works, the filter plate in the filter box can filter aerosol and various impurities in front of the filter, so that the filter element using effect is more durable, when daily maintenance or needs to be replaced and cleaned, without disassembling the cabinet body and the rest device, only need to open the baffle, and the filter plate can be extracted and cleaned and replaced, improve work efficiency, reduce the frequency of disassembling the device inside the cabinet body, and reduce the degree of wear. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 The utility model provides a three -dimensional schematic view of biological safety cabinet for sample storage liquid;
[0027] Figure 2 The utility model discloses a structure schematic drawing of the cabinet body section of biological safety cabinet for sample storage liquid is provided.
[0028] Figure 3 The utility model discloses a part structure schematic drawing of operating assembly of biological safety cabinet for sample storage liquid is provided.
[0029] Figure 4 The utility model discloses a structure schematic drawing of ventilation assembly of biological safety cabinet for sample storage liquid is provided.
[0030] Figure 5 The utility model discloses a part structure schematic drawing of operating assembly of biological safety cabinet for sample storage liquid is provided.
[0031] Legend:
[0032] 1, cabinet body;101, ball;2, ventilation assembly;201, filter plate;202, filter box;203, baffle;204, spring column;3, operating assembly;301, damping column;302, support plate;303, sliding block;304, telescopic rod;305, connecting block;306, moving block;307, work platform;308, limit pad;309, connecting rod;310, rotating switch;311, glass door one;312, glass door two;313, support rod;4, limit assembly;401, limit pin;402, spring;5, support;6, filter. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skill in the art without creative labor fall within the scope of the utility model.
[0034] Refer to Figure 1 - Figure 5The utility model provides a kind of biological safety cabinet for sample storage liquid, including cabinet 1, cabinet 1 top is provided with ventilation component 2, cabinet 1 front side is equipped with opening, cabinet 1 inside is installed and is provided with operating assembly 3, cabinet 1 bottom side is installed with limit component 4, cabinet 1 bottom is fixedly connected with support 5, filter 6 is fixedly installed in cabinet 1 inside, operating assembly 3 includes damping column 301, damping column 301 bottom is fixedly connected in cabinet 1 inside, damping column 301 top is fixedly connected with support plate 302, limit slot is opened in support plate 302 side, sliding block 303 is slidably connected in support plate 302 inside, sliding block 303 bottom is fixedly connected with telescopic link 304, telescopic link 304 bottom is fixedly connected in support plate 302 inside, sliding block 303 top end is fixedly connected with connecting block 305, connecting block 305 top is fixedly connected with moving block 306, support plate 302 top is placed with work platform 307, cabinet 1 opening is installed with glass door one 311, glass door one 311 bottom is rotatably connected with glass door two 312, glass door two 312 bottom is fixedly connected with support rod 313, glass door two 312 is rotated by support rod 313, and after being fixedly combined with the ball bearing 101 of cabinet 1, it is in right angle state with cabinet 1, presses the limit component 4 of one side of cabinet 1, releases damping column 301, and damping column 301 drives support plate 302 and work platform 307 to rise upwards, and work platform 307 is slid outward from cabinet 1, after sliding to corresponding position, rotating switch 310 is rotated, and limit pad 308 is fixedly clamped in the sliding groove in support plate 302 inside downwards, and operator does not need to stretch hand into cabinet 1 inside, is cooperated by the glass door two 312 of right angle horizontal placement, and can be operated in front of body, reduce arm fatigue, can also be close-range intuitive operation, and the detailed response of sample can be more clearly observed.
[0035] Refer to Figure 1 - Figure 4 Ventilation component 2 includes filter plate 201, filter plate 201 is movably clamped in filter box 202 inside, filter box 202 top is installed with baffle 203, filter box 202 bottom is fixedly connected with spring column 204, filter box 202 is sleeved outside filter 6, when filter 6 works, filter plate 201 in filter box 202 can filter aerosol and various impurities before filter 6, so that filter 6 filter element uses effect is more durable, when daily maintenance or needs to be replaced and cleaned, without disassembling cabinet 1 remaining device, just open baffle 203, pull out filter plate 201 and clean and replace, improve work efficiency and will not cause influence to cabinet 1 remaining device.
[0036] Refer to Figure 1 - Figure 5The sliding groove is arranged on one side of the support plate 302, the moving block 306 is movably connected with the sliding groove of the work platform 307, the limit pad 308 is arranged at the bottom of the work platform 307, the connecting rod 309 is rotatably arranged on one side of the work platform 307, the bottom end of the connecting rod 309 is fixedly connected with the limit pad 308, the rotating switch 310 is fixedly connected with the top of the connecting rod 309, the support plate 302 is provided with an opening, the sliding groove is arranged in the opening of the support plate 302, the support plate 302 is slidably connected with the sliding block 303 through the sliding groove in the support plate 302, the limit assembly 4 comprises a limit pin 401, the spring 402 is arranged on the outer periphery of the limit pin 401, the spring 402 is arranged in the cabinet 1, the limit pin 401 is clamped and fixed through the limit slot arranged on one side of the support plate 302 of the cabinet 1, the damping column 301 is fixedly connected on both sides of the cabinet 1, the support plate 302 is arranged on the top of the damping column 301 on both sides, the other end of the support rod 313 fixedly connected with the bottom of the glass door two 312 is rotatably connected with the cabinet 1, the hole is arranged in the rod body of the support rod 313, the ball 101 is arranged on the cabinet 1 near the hole of the rod body of the support rod 313, the hole arranged in the rod body of the support rod 313 and the ball 101 arranged on the cabinet 1 are clamped and fixed, the transparent adhesive tape is arranged at the joint of the glass door one 311 and the glass door two 312, the moving groove is arranged in the filter box 202, the filter plate 201 is slidably inserted into the bottom of the filter box 202 through the moving groove in the filter box 202, and the filter plate 201 can be replaced without disassembling the remaining devices in the cabinet 1.
[0037] Working principle: before starting work, open the glass door two 312, the glass door two 312 is rotatable through the support rod 313, is fixedly connected with the ball 101 of the cabinet 1 after being fixedly connected with the cabinet 1, and is in a right angle state, then press the limit assembly 4 on one side of the cabinet 1, the limit pin 401 is pressed inward to release the spring 402, the spring 402 rebounds and pops out, the pin head of the limit pin 401 is separated from the limit slot on one side of the support plate 302, the damping column 301 is released, the damping column 301 drives the support plate 302 and the work platform 307 to rise upward, through the sliding of the sliding block 303 of the support plate 302 and the moving block 306 in the work platform 307, the work platform 307 can be slid outward from the cabinet 1, after sliding to the corresponding position, rotating the rotating switch 310, the limit pad 308 is fixedly connected with the sliding groove in the support plate 302, so that the work platform 307 is fixed, the operator does not need to put his hand into the cabinet 1, through the cooperation of the glass door two 312 placed horizontally at right angles, the work can be done in front of the operator, when it is necessary to clean and replace the ventilation assembly 2, open the baffle 203, the filter plate 201 clamped in the filter box 202 is bounced out through the spring column 204 at the bottom of the filter box 202, and the filter plate 201 can be pulled out.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A biological safety cabinet for sample preservation fluid, comprising a cabinet body (1), characterized in that: The cabinet (1) top is provided with ventilation assembly (2), the cabinet (1) front side is equipped with opening, the cabinet (1) inside installation is provided with operating assembly (3), the cabinet (1) bottom side installs limiting component (4), the cabinet (1) bottom is fixedly connected with support (5), the cabinet (1) inside fixed mounting has filter (6); The operating assembly (3) includes a damping column (301), the damping column (301) is fixedly connected at the bottom of the cabinet (1), the damping column (301) top is fixedly connected with support plate (302), the support plate (302) one side is provided with limiting slot, the support plate (302) inside is slidably connected with sliding block (303), the sliding block (303) bottom is fixedly connected with telescopic rod (304), the telescopic rod (304) bottom is fixedly connected in the support plate (302) inside, the sliding block (303) top is fixedly connected with connecting block (305), the connecting block (305) top is fixedly connected with moving block (306), the support plate (302) top is placed with work platform (307), the cabinet (1) opening is installed with glass door one (311), the glass door one (311) bottom is rotatably connected with glass door two (312), the glass door two (312) bottom is fixedly connected with support rod (313).
2. The biological safety cabinet for a sample preservative solution according to claim 1, characterized by: The ventilation assembly (2) includes a filter plate (201), the filter plate (201) is movably connected in the filter box (202), the filter box (202) top is provided with baffle (203), the filter box (202) bottom is fixedly connected with spring column (204), the filter box (202) is sleeved on the outside of the filter (6).
3. The biological safety cabinet for a sample preservative solution according to claim 1, characterized by: The work platform (307) is provided with a sliding groove near the support plate (302) on one side, the moving block (306) is movably connected with the sliding groove of the work platform (307), the work platform (307) bottom is installed with limiting pad (308), the work platform (307) one side is rotatably installed with connecting rod (309), the connecting rod (309) bottom is fixedly connected with limiting pad (308), the connecting rod (309) top is fixedly connected with rotating switch (310).
4. The biological safety cabinet for a sample preservative solution according to claim 1, characterized by: The support plate (302) is provided with an opening, the support plate (302) opening is provided with a sliding groove, the support plate (302) is slidably connected with the sliding block (303) through the sliding groove in the support plate (302).
5. The biological safety cabinet for a sample preservative solution according to claim 1, characterized by: The limiting component (4) includes a limiting pin (401), the limiting pin (401) is provided with a spring (402) around, the spring (402) is installed in the cabinet (1), the limiting pin (401) passes through the limiting slot of the cabinet (1) and the support plate (302) one side and is clamped and fixed.
6. The biological safety cabinet for a sample preservative solution according to claim 1, characterized by: The cabinet (1) inside both sides are fixedly connected with damping column (301), both sides of the damping column (301) top are provided with support plate (302).
7. The biological safety cabinet for a sample preservative solution according to claim 1, characterized by: The other end of the support rod (313) fixedly connected with the bottom of the glass door two (312) is rotatably connected with the cabinet body (1), the rod body of the support rod (313) is provided with a hole, the cabinet body (1) is provided with a ball (101) near the hole of the rod body of the support rod (313), the hole of the rod body of the support rod (313) and the ball (101) of the cabinet body (1) are fixedly connected with each other, and transparent adhesive tape is arranged at the joint of the glass door one (311) and the glass door two (312).
8. The biological safety cabinet for a sample preservative solution according to claim 2, characterized by: The filter box (202) is internally provided with a moving groove, and the filter plate (201) is slidably inserted into the bottom of the filter box (202) through the moving groove in the filter box (202).