Floating bacteria sampler
By improving the structural design of the airborne bacteria sampler, stable clamping of the culture dish and reliable shielding of the cover were achieved, solving the problems of unstable positioning and easy damage in the existing technology, and improving the reliability and cleaning efficiency of the equipment.
Patent Information
- Application Number
- CN202423212149.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The existing airborne bacteria sampler has unstable culture dish positioning, and the sampling head and cover are prone to falling off and being damaged.
The design incorporates a petri dish base, slide, clamping block, bidirectional screw, unidirectional screw, and knob to achieve the lifting and lowering of the sampling head and the stable clamping of the petri dish. Components such as a rotating shaft, connecting rod, cover, and spring ensure reliable shielding and cleanliness of the sampling port.
It improves the clamping stability of the petri dish, prevents the sampling head and cover from falling off during transfer or use, and enhances the durability and ease of cleaning of the equipment.
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Figure CN223674641U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of plankton sampling device technical field, more particularly to a kind of plankton sampling device. BACKGROUND
[0002] Air plankton sampling device is a kind of high-efficiency porous suction sampler, it is based on anderson impact principle, the air suction device of instrument is inhaled by porous sampling head, impact on the culture dish of Φ90mm, microorganism in air is "captured" on agar medium. The instrument can be widely used in pharmaceutical industry, food industry, beverage tap water, drug testing institute, health and epidemic prevention, hospital, public places and other relevant industries and departments.
[0003] The Chinese patent with patent publication No. CN217535997U discloses a kind of plankton sampling device, relate to sampler technical field, including base and setting on the sampling device body of base, the base with sampler body on same longitudinal axis and same diameter, the upper side of base is arranged as inclined plane, the rear side of the upper side of base is assembled and connected with the lower end of the sampling device body by telescopic support mechanism, the lower end of the sampling device body is symmetrically provided with side support mechanism on both sides, the lower end of the side support mechanism is detachably assembled with the both sides of the base, the outside of base is slidably provided with protective sleeve, the inside of protective sleeve is detachably assembled with the upper end side wall of base and the lower end side wall of sampling device body;The plankton sampling device is cooperated with base, sampling device body and protective sleeve, so that the size of the sampling device after folding is small, and it is convenient to carry.
[0004] The existing plankton sampling device has the problem that the culture dish is only limited by spring clamping piece, the clamping stability is not high, and the sampling head and the cover are in a split type state, which is easy to fall and cause damage during transfer or use. In order to overcome these disadvantages, the utility model provides a plankton sampling device. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the shortcomings in the prior art, and provides a plankton sampling device.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of plankton sampler, including sampler main body, the upper end of the sampler main body is provided with petri dish base, the upper end of the petri dish base is provided with sliding slot, the both ends of the sliding slot are slidably connected with clamping block, the top outer side of the sampler main body is fixedly connected with side frame, the inside of the side frame is rotatably connected with one-way screw rod, the upper end of the sampler main body is provided with sampling head, the bottom outer side of the sampling head is fixedly connected with fixed block, one end of the one-way screw rod is threadedly connected with fixed block, the top edge of the sampling head is rotatably connected with shaft, the top of the shaft is fixedly connected with connecting rod, the bottom of the end of the connecting rod is fixedly connected with telescopic link, one end of the telescopic link is fixedly connected with cover, the outside of the telescopic link is sleeved with spring, the bottom center of the cover is rotatably connected with connecting shaft, the bottom end of the connecting shaft is fixedly connected with cleaning rod.
[0007] Further, the sliding slot is rotatably connected with a bidirectional screw rod, the two ends of the bidirectional screw rod are respectively threadedly connected with the corresponding clamping blocks, the outside of the petri dish base is rotatably connected with a knob at the corresponding position of the bidirectional screw rod, and one end of the bidirectional screw rod penetrates the side wall of the petri dish base and is fixedly connected with the knob.
[0008] Further, the inside of the side frame is fixedly connected with a guide rod, and the fixed block is slidably connected with the guide rod.
[0009] Further, the top side of the side frame is rotatably connected with a handle at the corresponding position of the one-way screw rod, and one end of the one-way screw rod penetrates the top side wall of the side frame and is fixedly connected with the handle.
[0010] Further, the bottom edge of the sampling head is fixedly connected with a sealing ring, the upper end edge of the petri dish base is provided with a clamping groove, and the sealing ring is matched with the clamping groove.
[0011] Further, the two ends of the spring are respectively fixedly connected with the connecting rod and the cover, one end of the connecting shaft penetrates the cover and is fixedly connected with a rotating wheel, and the top side of the cover is fixedly connected with a pull rod.
[0012] The utility model has the advantages that:
[0013] The plankton sampler has the following advantages in use:
[0014] 1. In this solution, a petri dish base, a sliding groove, a bidirectional screw, clamping blocks, a knob, a side frame, a unidirectional screw, a guide rod, a handle, a sampling head, a fixing block, a sealing ring, and a slot are provided. Rotating the handle drives the unidirectional screw to rotate, thereby causing the fixing block and sampling head to rise and fall as a whole. During sampling, the sampling head moves down to close with the sampler body. Before and after sampling, the sampling head is raised to facilitate the handling of the petri dish. The petri dish is placed on the petri dish base. Rotating the knob drives the bidirectional screw to rotate, thereby causing the clamping blocks at both ends to move towards each other to clamp the petri dish or move in opposite directions to release the petri dish. This facilitates easy clamping and improves clamping stability. The sampling head, cover, and sampler body are in a connected state, and the sampling head and cover are not easy to fall off and cause damage during transfer or use.
[0015] 2. This solution includes a rotating shaft, connecting rod, telescopic rod, cover, spring, connecting shaft, cleaning rod, rotating wheel, and pull rod. After use, pulling the pull rod upwards on the cover compresses the telescopic rod and spring, simultaneously rotating the cover into the sampling port of the sampling head. Releasing the pull rod causes the telescopic rod and spring to return to their original extension, with the cover resting against the sampling port to protect it. To disinfect and clean the sampling port, rotating the rotating wheel drives the connecting shaft and cleaning rod to wipe and disinfect the port, making cleaning convenient and quick. Similarly, pulling the pull rod upwards moves the cover out of the sampling port and rotates the entire cover to the outside of the sampling head for easy sampling and replacement of disinfectant pads. Attached Figure Description
[0016] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 : A schematic diagram of the overall structure of this utility model;
[0018] Figure 2 : A schematic diagram of the structure of this utility model after removing the sampling head;
[0019] Figure 3 The present utility model Figure 2 Enlarged view of point A in the middle;
[0020] Figure 4 Side view of the sampling head of this utility model;
[0021] Figure 5 : Schematic diagram of the sampling head structure of this utility model.
[0022] The attached figures are labeled as follows:
[0023] 1, sampler main body; 2, culture dish base; 3, sliding groove; 4, bidirectional screw; 5, clamp block; 6, side frame; 7, one-way screw; 8, guide rod; 9, handle; 10, sampling head; 11, fixed block; 12, sealing ring; 13, clamping groove; 14, rotating shaft; 15, connecting rod; 16, telescopic rod; 17, cover; 18, spring; 19, connecting shaft; 20, cleaning rod; 21, rotating wheel; 22, pull rod; 23, knob. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0025] As shown in Figures 1-5 , it relates to a kind of plankton sampler, including sampler main body 1, sampler main body 1 part includes air pump, controller and battery, the upper end of sampler main body 1 is provided with culture dish base 2, the upper end of culture dish base 2 is provided with sliding groove 3, the both ends of sliding groove 3 are slidably connected with clamp block 5, clamp block 5 are V-shaped structure, the top outer side of sampler main body 1 is fixedly connected with side frame 6, one-way screw 7 is rotatably connected in the inside of side frame 6, the upper end of sampler main body 1 is provided with sampling head 10, the bottom outer side of sampling head 10 is fixedly connected with fixed block 11, one-way screw 7 is threadedly connected with fixed block 11 at one end, rotating shaft 14 is rotatably connected at the top edge of sampling head 10, rotating shaft 14 is fixedly connected with connecting rod 15 at the top, the bottom side of the end of connecting rod 15 is fixedly connected with telescopic rod 16, telescopic rod 16 is fixedly connected with cover 17 at one end, the size of cover 17 is adapted to the size of sampling head 10 sampling port, spring 18 is arranged on the outside of telescopic rod 16, telescopic rod 16 and spring 18 are in natural elongation relaxation state when not stressed, connecting shaft 19 is rotatably connected at the bottom of the center of cover 17, cleaning rod 20 is fixedly connected with connecting shaft 19 at the bottom end, disinfecting cotton piece is wound on cleaning rod 20, and can be replaced.
[0026] As shown in Figures 1-5As shown, a bidirectional screw 4 is rotatably connected inside the slide groove 3. Both ends of the bidirectional screw 4 are threadedly connected to corresponding clamping blocks 5. A knob 23 is rotatably connected to the outer side of the petri dish base 2 at the position corresponding to the bidirectional screw 4. One end of the bidirectional screw 4 passes through the side wall of the petri dish base 2 and is fixedly connected to the knob 23. A guide rod 8 is fixedly connected inside the side frame 6. A fixing block 11 is slidably connected to the guide rod 8. A handle 9 is rotatably connected to the top side of the side frame 6 at the position corresponding to the unidirectional screw 7. One end of the unidirectional screw 7 passes through the top side wall of the side frame 6 and is fixedly connected to the handle 9. A sealing ring 12 is fixedly connected to the bottom edge of the sampling head 10. A slot 13 is provided on the upper edge of the petri dish base 2. The sealing ring 12 is adapted to the slot 13. When the sampling head 10 is engaged with the sampler body 1 downwards, the sealing ring 12 is engaged in the slot 13 to improve the sealing performance. Turning the handle 9 will drive the one-way screw 7 to rotate, which in turn will drive the fixing block 11 to move up and down along the guide rod 8, thereby driving the sampling head 10 to rise and fall as a whole. During sampling, the sampling head 10 moves down to close with the sampler body 1. Before and after sampling, the sampling head 10 is raised to facilitate the handling of the culture dish. The culture dish is placed on the culture dish base 2. Turning the knob 23 will drive the two-way screw 4 to rotate, which will drive the clamping blocks 5 at both ends to move towards each other to clamp the culture dish or move in opposite directions to release the culture dish. This makes it easy to release and improves the clamping stability.
[0027] like Figures 1-5 As shown, the two ends of the spring 18 are fixedly connected to the connecting rod 15 and the cover 17, respectively. One end of the connecting shaft 19 passes through the cover 17 and is fixedly connected to the rotating wheel 21. The top side of the cover 17 is fixedly connected to the pull rod 22. After use, the cover 17 is pulled upward by the pull rod 22, and the telescopic rod 16 and the spring 18 are compressed. At the same time, the cover 17 is rotated into the sampling port of the sampling head 10. When the pull rod 22 is released, the telescopic rod 16 and the spring 18 return to their original length and extend. The cover 17 is pressed against the sampling port to protect the sampling port. If the sampling port needs to be disinfected and cleaned, the rotating wheel 21 is rotated to drive the connecting shaft 19 and the cleaning rod 20 to wipe and disinfect the sampling port. Similarly, the pull rod 22 is pulled upward to move the cover 17 out of the sampling port and rotate the cover 17 to the outside of the sampling head 10 for easy sampling and replacement of disinfectant pads.
[0028] Working principle: in use, rotate the knob 9, thereby driving the unidirectional screw rod 7 rotates, in turn drive fixed block 11 along the guide rod 8 up and down, in turn drive sampling head 10 overall lifting, sampling head 10 down when sampling and sampler main body 1 close, before and after sampling sampling head 10 is raised, it is convenient to take and place the culture dish, culture dish is placed on the culture dish base 2, rotate the knob 23, thereby driving the bidirectional screw rod 4 rotates, in turn drive the two ends of the clamp block 5 move towards and clamp the culture dish or move in the opposite direction to loosen the culture dish, loose clamp, improve the clamping stability, after use, the cover 17 is pulled up by the pull rod 22, the telescopic rod 16, spring 18 is compressed under stress, at the same time, the cover 17 is rotated to the sampling port of sampling head 10, release the pull rod 22, the telescopic rod 16, spring 18 resets elongation, the cover 17 is supported at the sampling port, if the sampling port needs to be disinfected and cleaned, rotate the rotating wheel 21 to drive the connecting shaft 19, cleaning rod 20 rotates to wipe and disinfect the sampling port, similarly, pull up the pull rod 22, drive the cover 17 to move out of the sampling port and rotate the cover 17 to the outside of the sampling head 10, it is convenient to sample and replace the disinfection cotton piece, the sampling head 10, cover 17, sampler main body 1 are in the connected state, the sampling head 10, cover 17 is not easy to fall off and cause damage during transfer or use.
[0029] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The description selects and describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.
Claims
1. A plankton sampler comprising a sampler body (1) characterised in that: The upper end of the sampler body (1) is provided with a culture dish base (2), the upper end of the culture dish base (2) is provided with a sliding groove (3), both ends of the sliding groove (3) are slidably connected with clamping blocks (5), the top outer side of the sampler body (1) is fixedly connected with a side frame (6), the inside of the side frame (6) is rotatably connected with a one-way screw rod (7), the upper end of the sampler body (1) is provided with a sampling head (10), the bottom outer side of the sampling head (10) is fixedly connected with a fixed block (11), one end of the one-way screw rod (7) is threadedly connected with the fixed block (11), the top edge of the sampling head (10) is rotatably connected with a rotating shaft (14), the top of the rotating shaft (14) is fixedly connected with a connecting rod (15), the bottom of the end of the connecting rod (15) is fixedly connected with a telescopic rod (16), one end of the telescopic rod (16) is fixedly connected with a cover (17), the outer side of the telescopic rod (16) is sleeved with a spring (18), the bottom center of the cover (17) is rotatably connected with a connecting shaft (19), the bottom end of the connecting shaft (19) is fixedly connected with a cleaning rod (20).
2. A plankton sampler according to claim 1, characterised in that: The inside of the sliding groove (3) is rotatably connected with a bidirectional screw rod (4), both ends of the bidirectional screw rod (4) are threadedly connected with corresponding clamping blocks (5), the outer side of the culture dish base (2) is rotatably connected with a rotating knob (23) at the corresponding position of the bidirectional screw rod (4), one end of the bidirectional screw rod (4) penetrates the side wall of the culture dish base (2) and is fixedly connected with the rotating knob (23).
3. A plankton sampler according to claim 1, characterised in that: The inside of the side frame (6) is fixedly connected with a guide rod (8), the fixed block (11) is slidably connected with the guide rod (8).
4. A plankton sampler according to claim 1, characterised in that: The top side of the side frame (6) is rotatably connected with a rotating handle (9) at the corresponding position of the one-way screw rod (7), one end of the one-way screw rod (7) penetrates the top side wall of the side frame (6) and is fixedly connected with the rotating handle (9).
5. A plankton sampler according to claim 1, characterised in that: The bottom side edge of the sampling head (10) is fixedly connected with a sealing ring (12), the upper end edge of the culture dish base (2) is provided with a clamping groove (13), the sealing ring (12) is matched with the clamping groove (13).
6. A plankton sampler according to claim 1, characterised in that: Both ends of the spring (18) are fixedly connected with the connecting rod (15) and the cover (17), one end of the connecting shaft (19) penetrates the cover (17) and is fixedly connected with a rotating wheel (21), the top side of the cover (17) is fixedly connected with a pull rod (22).
Citation Information
Patent Citations
Floating bacteria sampler
CN217535997U