A multi-stage slow release bottle

Abstract

This utility model relates to a multi-stage slow-release bottle, which consists of a neck and a body, with the neck opening at the top and the body bottom at the bottom. The neck is tubular, with multiple slow-release holes along its axis. A movable tube is coaxially and movably fitted onto the neck, with the top of the movable tube being a closed end. A guide structure is provided between the neck and the movable tube, allowing the movable tube to move only along its axis. A locking mechanism is provided between the movable tube and the neck. The locking mechanism includes an elastic component embedded in the inner wall of the movable tube and multiple positioning grooves along the axis on the outer wall of the neck. The elastic component protrudes and engages with the positioning grooves, fixing the movable tube at a specified height on the neck and exposing a specified number of slow-release holes.

Description

Technical Field

[0001] This utility model relates to the field of sustained release, and in particular to a multi-stage sustained release bottle. Background Technology

[0002] Citrus psyllids are the sole natural vector of citrus Huanglongbing (HLB), posing a devastating threat to the global citrus industry. Effective monitoring and control of citrus psyllid populations are crucial to curbing the spread of HLB. Currently, attractants based on sex pheromones or plant-derived volatiles have become an important component of green control technologies and are widely used for psyllid monitoring (e.g., traps) and mass killing.

[0003] In practical applications, the effectiveness of attractants is highly dependent on the stability and controllability of their release rate. A release rate that is too fast will cause the attractant to be depleted in a short time, increasing replacement costs and manpower, and creating a "gap" during the monitoring period, leading to data distortion or control failure. Conversely, a release rate that is too slow may fail to create an effective attraction concentration gradient in the field, making it difficult to attract psyllids and significantly reducing the effectiveness of monitoring and control.

[0004] Existing attractant release devices, such as common rubber stoppers, plastic capillary bottles, or simple breathable bags, mostly rely on the principle of natural diffusion with a fixed orifice and area. These devices have the following inherent drawback: the release rate is not adjustable.

[0005] Therefore, there is an urgent need for a multi-stage sustained-release bottle that can adjust the sustained-release rate. Utility Model Content

[0006] To address the problem that existing sustained-release devices cannot adjust the release rate, this invention proposes a multi-stage sustained-release bottle, the technical solution of which is as follows:

[0007] A multi-stage sustained-release bottle is provided, comprising a neck and a body, with the neck opening at the top and the body bottom at the bottom. The neck is tubular, with multiple sustained-release holes along its axis. A movable tube is coaxially mounted on the neck, with the top of the movable tube being a closed end. A guide structure is provided between the neck and the movable tube, allowing the movable tube to move only along the axial direction. A locking mechanism is provided between the movable tube and the neck.

[0008] The locking mechanism includes an elastic component embedded in the inner wall of the movable tube, and a plurality of positioning grooves opened along the axis on the outer wall of the bottleneck. The elastic component protrudes and engages in the positioning grooves, so that the movable tube is fixed at a specified height on the bottleneck, exposing a specified number of slow-release holes.

[0009] Furthermore, the closed end of the movable tube is a rotatable structure, the top end of the movable tube extends radially to form a first flange, the closed end is provided with a rotating cover, the inner wall of the rotating cover is provided with a movable groove along the circumference, the rotating cover is rotatably mounted on the first flange through the movable groove, the outer periphery of the bottleneck opening is provided with a first threaded part, the inner wall of the rotating cover is provided with a thread that matches it, when the movable tube is completely fitted onto the bottleneck, and the rotating cover at its top end moves to the bottleneck opening, the rotating cover can be screwed onto the bottleneck opening.

[0010] Furthermore, a sealing gasket is provided on the inner end face of the rotating cover.

[0011] Furthermore, a second threaded portion is provided on the outer periphery of the end of the bottleneck near the bottle body, and a fixing ring is coaxially sleeved on the outside of the movable tube. The end of the movable tube near the bottle body protrudes radially outward to form a second flange. A limiting protrusion is provided on the inner wall of the fixing ring to limit its own position in conjunction with the second flange. The inner wall of the fixing ring is provided with a thread that mates with the second threaded portion. When the movable tube is completely sleeved on the bottleneck and the fixing ring moves to the bottom end of the movable tube, it can be screwed onto the second threaded portion for fixation.

[0012] Furthermore, the slow-release holes and positioning grooves are staggered along the bottleneck axis, and the slow-release holes and positioning grooves are located on vertical planes at different radial angles.

[0013] Furthermore, the guide structure includes a guide protrusion disposed along the axis of the bottleneck, and a guide groove formed along the axis of the inner wall of the movable tube, wherein the guide protrusion can slide axially in the guide groove.

[0014] Furthermore, the elastic component is a ball-head spring plunger, and the ball head of the ball-head spring plunger can be engaged in a positioning groove.

[0015] Furthermore, the bottle body is provided with multiple hanging loops.

[0016] The beneficial effects of this utility model are as follows: The multi-stage slow-release bottle of this utility model effectively solves the problem of the non-adjustable release rate of traditional slow-release devices by using an axially movable and positionable active tube in conjunction with a bottleneck with multiple slow-release holes; its locking mechanism can stably maintain the set state and ensure that the release rate is constant for a long time, while the sealing requirements and overall stability are achieved through the rotating cap and the fixing ring. Attached Figure Description

[0017] Figure 1 This is a first-view cross-sectional view of the overall embodiment of this utility model;

[0018] Figure 2 This is an enlarged view of the junction between the bottle body and the bottle neck in an embodiment of this utility model;

[0019] Figure 3This is an enlarged view of the bottleneck opening in an embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the positioning groove and elastic component in an embodiment of the present invention.

[0021] In the above figures: 1. Bottle body; 2. Bottle neck; 3. Slow-release hole; 4. Movable tube; 5. Elastic component; 6. Positioning groove; 7. Guide protrusion; 8. Guide groove; 9. Rotating cap; 10. Sealing gasket; 11. First threaded part; 12. Fixing ring; 13. Second flange; 14. Limiting protrusion; 15. Second threaded part; 16. First flange; 17. Movable groove; 18. Hanging ear. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0023] like Figure 1 , Figure 4 As shown, a multi-stage slow-release bottle comprises a neck 2 and a body 1. The neck 2 has an opening at the top, and the body 1 has a bottom at the bottom. The neck 2 is tubular, with multiple slow-release holes 3 along its axis. A movable tube 4 is coaxially mounted on the neck 2, with a closed top end. A guide structure is provided between the neck 2 and the movable tube 4, allowing the movable tube 4 to move only axially. A locking mechanism is provided between the movable tube 4 and the neck 2. The locking mechanism includes an elastic component 5 embedded in the inner wall of the movable tube 4 and multiple positioning grooves 6 formed along the axis on the outer wall of the neck 2. The elastic component 5 protrudes and engages with the positioning grooves 6, fixing the movable tube 4 at a specified height on the neck 2, exposing a specified number of slow-release holes 3. The cooperation of the guide structure and the locking mechanism enables multi-stage adjustable release rates; the engagement of the elastic component 5 with the positioning grooves 6 provides a clear sense of the release level and positioning stability.

[0024] like Figure 1 , Figure 3As shown, preferably, the closed end of the movable tube 4 is a rotatable structure. The top end of the movable tube 4 extends radially to form a first flange 16. A rotating cover 9 is provided at the closed end. The inner wall of the rotating cover 9 has a circumferentially circumferentially formed movable groove 17. The rotating cover 9 is rotatably mounted on the first flange 16 through the movable groove 17. A first threaded portion 11 is provided on the outer periphery of the opening of the bottle neck 2. The inner wall of the rotating cover 9 is provided with a thread that mates with it. When the movable tube 4 is completely fitted onto the bottle neck 2, and the rotating cover 9 at its top end moves to the opening of the bottle neck 2, the rotating cover 9 can be screwed onto the opening of the bottle neck 2. This design integrates the sealing function and the adjustment function. When the movable tube 4 moves to the lowest position (i.e., the movable tube 4 is completely fitted onto the bottle neck 2, and all the slow-release holes 3 are blocked), the rotating cover 9 can be screwed tightly onto the opening of the bottle neck 2 to achieve the main seal of the bottle body, which is convenient for storage and transportation. The rotating cover 9, through the cooperation of the movable groove 17 and the first flange 16, makes the capping operation more convenient because the entire movable tube 4 does not need to be twisted. Preferably, a sealing gasket 10 is provided on the inner end face of the rotating cover 9 to enhance the sealing performance.

[0025] like Figure 1 , Figure 2 , Figure 4 As shown, preferably, the outer periphery of the neck 2 near the bottle body 1 is provided with a second threaded portion 15, and a fixing ring 12 is coaxially sleeved on the outer side of the movable tube 4. The end of the movable tube 4 near the bottle body 1 protrudes radially outward to form a second flange 13. The inner wall of the fixing ring 12 is provided with a limiting protrusion 14 that cooperates with the second flange 13 to limit its own position. The inner wall of the fixing ring 12 is provided with a thread that cooperates with the second threaded portion 15. When the movable tube 4 is completely sleeved on the neck 2 and the fixing ring 12 moves to the bottom end of the movable tube 4, it can be screwed onto the second threaded portion 15 for fixation. This fixing ring 12 structure provides auxiliary reinforcement and double insurance for the movable tube 4 when it is fully stretched. After tightening, it can tightly connect the movable tube 4, the neck 2, and the bottle body 1 into a whole, significantly enhancing the rigidity and stability of the structure and preventing loosening that may occur under external force during storage.

[0026] like Figure 2 As shown, preferably, the slow-release hole 3 and the positioning groove 6 are staggered along the axis of the bottleneck 2, and the slow-release hole 3 and the positioning groove 6 are located on vertical planes at different radial angles. This staggered arrangement makes the slow-release hole 3 and the positioning groove 6 offset from each other in the circumferential direction of the bottleneck 2, avoiding excessive weakening of the structural strength of the bottleneck 2 on the same axial section due to opening too many holes and grooves, while ensuring that the elastic component 5 does not interfere with the smooth release of the adjacent slow-release hole 3 when it is engaged in the positioning groove 6.

[0027] like Figure 1 , Figure 4As shown, preferably, the guiding structure includes a guide protrusion 7 arranged along the axis of the bottleneck 2, and a guide groove 8 formed along the axis on the inner wall of the movable tube 4. The guide protrusion 7 can slide axially in the guide groove 8. The cooperation between the guide protrusion 7 and the guide groove 8 strictly limits the movable tube 4 to linear movement only along the axis of the bottleneck 2, effectively preventing circumferential rotation or swaying during operation, making the adjustment process smooth and precise, and protecting the internal locking mechanism.

[0028] like Figure 4 As shown, preferably, the elastic component 5 is a ball-head spring plunger, the ball head of which can be engaged in the positioning groove 6. Using a ball-head spring plunger as the elastic component 5 has advantages such as reliable performance, long lifespan, and low cost; the point contact friction between its ball head and the positioning groove 6 is low, resulting in a light and clear adjustment feel; the preload provided by the internal spring ensures sufficient holding force after engagement, preventing slippage; and since the movable tube 4 is made of a lightweight material (which can be plastic), the elastic component 5 is sufficient to support the positioning of the entire movable tube 4.

[0029] like Figure 1 As shown, preferably, the bottle body 1 is provided with multiple hanging ears 18, which are convenient for hanging on the tree with ropes or other devices.

[0030] The usage method of this embodiment can be summarized as follows:

[0031] First, open the rotating cap 9 and fill the bottle body 1 with contents. Then, according to the desired release rate, move the movable tube 4 up and down along the neck 2 axis until its internal elastic component 5 (such as a ball-head spring plunger) engages with the corresponding positioning groove 6, thereby exposing a specific number of slow-release holes 3 to achieve multi-stage flow regulation. Next, when a complete seal is required, push the movable tube 4 to the top and tighten the rotating cap 9 at the neck 2 opening, using the sealing gasket 10 to ensure a tight seal. Finally, if reinforcement is required, screw the retaining ring 12 to the bottom of the movable tube 4 and tighten it onto the second threaded portion 15 of the neck 2 to enhance overall stability. This design achieves precise control of the release rate through mechanical adjustment, while also ensuring both sealing performance and durability.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A multi-stage sustained-release bottle, wherein the multi-stage sustained-release bottle is composed of a neck (2) and a body (1), the opening of the neck (2) is at the top, and the bottom of the body (1) is at the bottom, characterized in that: The bottleneck (2) is tubular, and multiple slow-release holes (3) are provided on the bottleneck (2) along the axis. A movable tube (4) is coaxially and movably sleeved on the bottleneck (2). The top end of the movable tube (4) is closed. A guide structure is provided between the bottleneck (2) and the movable tube (4). The guide structure allows the movable tube (4) to move only along the axial direction. A locking mechanism is provided between the movable tube (4) and the bottleneck (2). The locking mechanism includes an elastic component (5) embedded in the inner wall of the movable tube (4), and also includes multiple positioning grooves (6) opened along the eye axis on the outer wall of the bottleneck (2). The elastic component (5) protrudes and engages in the positioning grooves (6), so that the movable tube (4) is fixed at a specified height on the bottleneck (2), exposing a specified number of slow-release holes (3).

2. The multi-stage sustained-release bottle according to claim 1, characterized in that: The closed end of the movable tube (4) is a rotatable structure. The top end of the movable tube (4) extends radially to form a first flange (16). The closed end is provided with a rotating cover (9). The inner wall of the rotating cover (9) is provided with a movable groove (17) along the circumference. The rotating cover (9) is rotatably mounted on the first flange (16) through the movable groove (17). The outer periphery of the opening of the bottleneck (2) is provided with a first threaded part (11). The inner wall of the rotating cover (9) is provided with a thread that matches it. When the movable tube (4) is completely fitted onto the bottleneck (2) and the rotating cover (9) at its top end moves to the opening of the bottleneck (2), the rotating cover (9) can be screwed onto the opening of the bottleneck (2).

3. The multi-stage sustained-release bottle according to claim 2, characterized in that: A sealing gasket (10) is provided on the inner end face of the rotating cover (9).

4. The multi-stage sustained-release bottle according to claim 2, characterized in that: The bottleneck (2) is provided with a second threaded part (15) on the outer periphery of the end near the bottle body (1). The movable tube (4) is coaxially fitted with a fixing ring (12). The movable tube (4) protrudes radially outward at the end near the bottle body (1) to form a second flange (13). The inner wall of the fixing ring (12) is provided with a limiting protrusion (14) that cooperates with the second flange (13) to limit itself. The inner wall of the fixing ring (12) is provided with a thread that cooperates with the second threaded part (15). When the movable tube (4) is completely fitted on the bottleneck (2) and the fixing ring (12) moves to the bottom end of the movable tube (4), it can be screwed onto the second threaded part (15) for fixation.

5. The multi-stage sustained-release bottle according to claim 1, characterized in that: The slow-release hole (3) and the positioning groove (6) are staggered along the axis of the bottleneck (2), and the slow-release hole (3) and the positioning groove (6) are located on vertical planes at different radial angles.

6. The multi-stage sustained-release bottle according to claim 1, characterized in that: The guide structure includes a guide protrusion (7) arranged along the axis of the bottleneck (2) and a guide groove (8) opened along the axis of the inner wall of the movable tube (4). The guide protrusion (7) can slide axially in the guide groove (8).

7. The multi-stage sustained-release bottle according to claim 1, characterized in that: The elastic component (5) is a ball-head spring plunger, and the ball head of the ball-head spring plunger can be engaged in the positioning groove (6).

8. The multi-stage sustained-release bottle according to claim 1, characterized in that: The bottle body (1) is provided with multiple hanging ears (18).

Images