Camera obscura type ultraviolet analyzer for bacteria experiment
By designing a rotating protective cover and a sliding connecting rod in the dark-box ultraviolet analyzer, the problem of buttons being susceptible to dust and accidental contact was solved, achieving button protection and dustproof effect, and improving detection accuracy and equipment lifespan.
Patent Information
- Application Number
- CN202423289556.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The buttons on existing dark-box UV analyzers are exposed, making them susceptible to dust and accidental contact, which can lead to detection errors and damage.
A structure was designed that uses a rotating protective cover to drive a limit block, a sliding connecting rod, and a wedge block, and uses a spring-loaded retaining block to fix the protective cover, preventing the button from being accidentally pressed and dust from accumulating.
It effectively prevents accidental button presses, avoids dust accumulation, and improves detection accuracy and button lifespan.
Smart Images

Figure CN223841771U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of dark-box ultraviolet analyzers, and in particular to a dark-box ultraviolet analyzer for bacterial experiments. Background Technology
[0002] An ultraviolet (UV) analyzer is an instrument used in scientific research and industrial applications to detect the fluorescence properties of substances. In scientific experiments, UV analyzers are widely used in fields such as nucleic acid electrophoresis and protein analysis. They can clearly observe and record the sample conditions within DNA or RNA electrophoresis gels.
[0003] Existing darkroom-type ultraviolet analyzers typically have exposed buttons, which are often affected by dust and moisture, leading to button malfunction. They are also prone to accidental touches by staff, resulting in errors in bacterial detection inside the chamber and damage to the buttons. After searching, it was found that the technical solution provided by the utility model application with application number CN202220603189.3 also has the above-mentioned problems. Utility Model Content
[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a dark box-type ultraviolet analyzer for bacterial experiments. By rotating the protective cover, the protective cover drives the limiting block to rotate, pressing the pressing plate, the pressing plate drives the push rod to slide, the push rod slides, the connecting rod slides, and the connecting rod slides, which in turn drives the guide slider to slide. Since the guide groove is inclined, the guide slider slides, which drives the wedge block to slide to both sides. The wedge block slides, which drives the connecting block to slide. The connecting block slides, which causes the locking block to retract into the U-shaped groove. At this time, the limiting block is slid to the bottom of the groove, the pressing plate is released, and under the action of the spring, the pressing plate rebounds. The rebound of the pressing plate causes the locking block to pop out, thereby fixing the protective cover, thus achieving the effect of preventing the button from being accidentally pressed and preventing dust from accumulating on the button.
[0005] This utility model also provides a dark box type ultraviolet analyzer for bacterial experiments, comprising an analyzer body, a sealing cover hinged to the front surface of the analyzer body, a handle fixedly connected to the front surface of the sealing cover, a button on the analyzer body, a hinge block fixedly connected to the front surface of the analyzer body, and a protective cover rotatably connected inside the hinge block.
[0006] A limit block is fixedly connected to the lower surface of the sealing cover, a fixing block is fixedly connected to the front surface of the analyzer body, a groove is provided inside the fixing block, a second sliding groove is provided inside the fixing block, a U-shaped groove is provided inside the fixing block, a wedge block is slidably connected to the inner surface of the U-shaped groove, a guide groove is provided inside the wedge block, a guide slider is slidably connected to the inner surface of the guide groove, a connecting rod is slidably connected to the inner surface of the U-shaped groove, a push rod is fixedly connected to the lower surface of the connecting rod, a pressing plate is fixedly connected to the lower end of the push rod, a spring is provided on the outer surface of the push rod, a connecting block is fixedly connected to the upper surface of the wedge block, and a locking block is slidably connected to the inner surface of the second sliding groove.
[0007] According to the aforementioned darkroom-type ultraviolet analyzer for bacterial experiments, the lower end of the spring is fixedly connected to the pressing plate, and the upper end of the spring is fixedly connected to the fixing block.
[0008] According to the aforementioned dark box-type ultraviolet analyzer for bacterial experiments, the front surface of the limiting block contacts the locking block, and the inner surface of the groove contacts the limiting block.
[0009] According to the aforementioned dark box-type ultraviolet analyzer for bacterial experiments, the inner surface of the U-shaped groove is slidably connected to the connecting block, and the side surface of the locking block is fixedly connected to the connecting block.
[0010] According to the aforementioned darkroom-type ultraviolet analyzer for bacterial experiments, the side surface of the guide slider is fixedly connected to the connecting rod, and the inclined surface of the wedge block is slidably connected to the connecting rod.
[0011] According to the aforementioned darkroom-type ultraviolet analyzer for bacterial experiments, the number of wedge-shaped blocks is two and they are distributed left and right, and the number of card blocks is two and they are distributed left and right.
[0012] According to the aforementioned dark box-type ultraviolet analyzer for bacterial experiments, the lower surface of the analyzer body is provided with four casters arranged in a rectangular pattern.
[0013] According to the aforementioned dark box-type ultraviolet analyzer for bacterial experiments, the analyzer body is electrically connected to an external power supply, and the outer surface of the push rod is slidably connected to a fixed block.
[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0016] Figure 1This is an overall structural diagram of a dark box-type ultraviolet analyzer for bacterial experiments according to this utility model;
[0017] Figure 2 This is a cross-sectional view of the overall structure of a darkroom-type ultraviolet analyzer for bacterial experiments according to this utility model.
[0018] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A;
[0019] Figure 4 This is a partial structural diagram of a darkroom-type ultraviolet analyzer for bacterial experiments according to this utility model.
[0020] Legend:
[0021] 1. Analyzer body; 2. Sealing cover; 3. Handle; 4. Button; 5. Hinge block; 6. Protective cover; 7. Limiting block; 8. Fixing block; 9. Groove; 10. Second slide groove; 11. U-shaped groove; 12. Wedge block; 13. Guide slide groove; 14. Guide slider; 15. Connecting rod; 16. Push rod; 17. Pressing plate; 18. Spring; 19. Connecting block; 20. Locking block; 21. Caster wheel. Detailed Implementation
[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0023] Reference Figure 1-4 This utility model provides a dark box-type ultraviolet analyzer for bacterial experiments, comprising: an analyzer body 1, which is electrically connected to an external power source; a sealing cover 2 hinged to the front surface of the analyzer body 1; a handle 3 fixedly connected to the front surface of the sealing cover 2; a button 4 on the analyzer body 1; a hinge block 5 fixedly connected to the front surface of the analyzer body 1; a protective cover 6 rotatably connected inside the hinge block 5; and four casters 21 arranged in a rectangular pattern on the lower surface of the analyzer body 1.
[0024] A limiting block 7 is fixedly connected to the lower surface of the sealing cover 2. A fixing block 8 is fixedly connected to the front surface of the analyzer body 1. A groove 9 is provided inside the fixing block 8. The inner surface of the groove 9 contacts the limiting block 7. A second sliding groove 10 is provided inside the fixing block 8. A U-shaped groove 11 is provided inside the fixing block 8. A wedge block 12 is slidably connected to the inner surface of the U-shaped groove 11. There are two wedge blocks 12, which are distributed left and right. A guide groove 13 is provided inside the wedge block 12. A guide slider 14 is slidably connected to the inner surface of the guide groove 13. A connecting rod 15 is slidably connected to the inner surface of the U-shaped groove 11. The side surface of the guide slider 14 is fixedly connected to the connecting rod 15. The inclined surface of the wedge block 12... The connecting rod 15 is slidably connected to the connecting rod 15. The lower surface of the connecting rod 15 is fixedly connected to the push rod 16. The outer surface of the push rod 16 is slidably connected to the fixing block 8. The lower end of the push rod 16 is fixedly connected to the pressing plate 17. The upper end of the spring 18 is fixedly connected to the fixing block 8. The upper surface of the wedge block 12 is fixedly connected to the connecting block 19. The inner surface of the U-shaped groove 11 is slidably connected to the connecting block 19. The inner surface of the second slide groove 10 is slidably connected to the locking block 20. The front surface of the limiting block 7 contacts the locking block 20. There are two locking blocks 20, which are distributed left and right. The side surface of the locking block 20 is fixedly connected to the connecting block 19.
[0025] Working principle: By rotating the protective cover 6, the protective cover 6 drives the limiting block 7 to rotate, pressing the pressing plate 17. The pressing plate 17 drives the push rod 16 to slide, the push rod 16 slides, and the connecting rod 15 slides. The connecting rod 15 slides, and the guide slider 14 slides. Since the guide groove 13 is inclined, the guide slider 14 slides, causing the wedge block 12 to slide to both sides. The wedge block 12 slides, causing the connecting block 19 to slide. The connecting block 19 slides, causing the locking block 20 to be inserted into the U-shaped groove 11. At this time, the limiting block 7 is slid to the bottom of the groove 9, and the pressing plate 17 is released. Under the action of the spring 18, the pressing plate 17 is driven to rebound. The rebound of the pressing plate 17 causes the locking block 20 to pop out, thereby fixing the protective cover 6. This achieves the effect of preventing the button from being accidentally pressed and preventing dust from accumulating on the button 4.
[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A darkroom-type ultraviolet analyzer for bacterial experiments, characterized in that, include: The analyzer body (1) has a sealing cover (2) hinged to the front surface of the analyzer body (1), a handle (3) fixedly connected to the front surface of the sealing cover (2), a button (4) provided on the analyzer body (1), a hinge block (5) fixedly connected to the front surface of the analyzer body (1), and a protective cover (6) rotatably connected inside the hinge block (5). A limiting block (7) is fixedly connected to the lower surface of the sealing cover (2), and a fixing block (8) is fixedly connected to the front surface of the analyzer body (1). A groove (9) is provided inside the fixing block (8), and a second sliding groove (10) is provided inside the fixing block (8). A U-shaped groove (11) is provided inside the fixing block (8), and a wedge-shaped block (12) is slidably connected to the inner surface of the U-shaped groove (11). A guide groove (13) is provided inside the wedge-shaped block (12). A guide slider (14) is slidably connected to the inner surface of the groove (13), a connecting rod (15) is slidably connected to the inner surface of the U-shaped groove (11), a push rod (16) is fixedly connected to the lower surface of the connecting rod (15), a pressing plate (17) is fixedly connected to the lower end of the push rod (16), a spring (18) is provided on the outer surface of the push rod (16), a connecting block (19) is fixedly connected to the upper surface of the wedge block (12), and a locking block (20) is slidably connected to the inner surface of the second groove (10).
2. The darkroom-type ultraviolet analyzer for bacterial experiments according to claim 1, characterized in that, The lower end of the spring (18) is fixedly connected to the pressing plate (17), and the upper end of the spring (18) is fixedly connected to the fixing block (8).
3. The darkroom-type ultraviolet analyzer for bacterial experiments according to claim 1, characterized in that, The front surface of the limiting block (7) contacts the locking block (20), and the inner surface of the groove (9) contacts the limiting block (7).
4. The darkroom-type ultraviolet analyzer for bacterial experiments according to claim 1, characterized in that, The inner surface of the U-shaped groove (11) is slidably connected to the connecting block (19), and the side surface of the locking block (20) is fixedly connected to the connecting block (19).
5. A darkroom-type ultraviolet analyzer for bacterial experiments according to claim 1, characterized in that, The side surface of the guide slider (14) is fixedly connected to the connecting rod (15), and the inclined surface of the wedge block (12) is slidably connected to the connecting rod (15).
6. A darkroom-type ultraviolet analyzer for bacterial experiments according to claim 1, characterized in that, The number of wedge blocks (12) is two and they are distributed left and right. The number of card blocks (20) is two and they are distributed left and right.
7. A darkroom-type ultraviolet analyzer for bacterial experiments according to claim 1, characterized in that, The lower surface of the analyzer body (1) is provided with four casters (21) arranged in a rectangular pattern.
8. A darkroom-type ultraviolet analyzer for bacterial experiments according to claim 1, characterized in that, The analyzer body (1) is electrically connected to an external power source, and the outer surface of the push rod (16) is slidably connected to the fixing block (8).
Citation Information
Patent Citations
Camera obscura type ultraviolet analyzer for bacteria experiment
CN218121733U