Handheld poplar catkin collector

The poplar and willow catkin collector, designed with a lightweight combined air duct and modular filter bags, solves the problems of bulky and easily clogged existing equipment, achieving efficient and convenient collection of poplar and willow catkins and anti-clogging functions, and is suitable for a variety of scenarios.

CN121667553APending Publication Date: 2026-03-17WENAN COUNTY ZHIYUN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-12
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing willow and poplar catkin collection equipment suffers from problems such as excessive weight, inconvenient operation, easy clogging, difficult maintenance, and low purification efficiency. In particular, handheld equipment is inadequate in terms of adaptability and anti-clogging function.

Method used

A handheld poplar and willow catkin collector was designed, which adopts a lightweight combined air duct structure, including a flat-mouth suction and catkin collection section, a main catkin collection chamber section and a main suction chamber section. Combined with modular design and filter bags, it can achieve precise adsorption and anti-clogging. The power unit is concentrated near the handle for easy operation.

Benefits of technology

It achieves lightweight operation, quick assembly and disassembly, anti-clogging and high-efficiency purification, and is suitable for collecting willow catkins in different scenarios. It meets the needs of long-term operation and improves human-machine efficiency.

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Abstract

The invention belongs to the technical field of environment-friendly cleaning equipment, and provides a handheld poplar catkin collector. The combined air duct is sequentially provided with a flat-mouth air suction and floc collection section, a main floc collection bin section and an air suction main bin section. The power part is arranged at one end of the combined air duct and located at the air suction main bin section; the power part comprises an operating handle, a battery and a fan; the operating handle is fixedly connected with one side of the air suction main bin section; the battery is detachably mounted on the operating handle and is close to the end part direction of the air suction main bin section; the draught fan is arranged on the end face of the air suction main bin section and communicated with the air suction main bin section. The fan is connected with the battery; the air flow generated by the fan along the discharge opening direction of the flat-opening air suction and flocculus collection section is negative pressure adsorption; the filter cloth bag is arranged in the combined air duct and is connected with a clamping ring arranged on the main flocculus collecting bin section, so that the filter cloth bag is convenient to disassemble; the flat-mouth air suction catkin collecting section faces the poplar catkin and willow catkin on the ground, the fan is started to suck the poplar catkin and willow catkin into the filter cloth bag, and the poplar catkin and willow catkin are discharged after being filtered.
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Description

Technical Field

[0001] This invention relates to the field of environmental protection and cleaning equipment technology, specifically to a handheld poplar and willow catkin collector. Background Technology

[0002] The drifting of willow and poplar catkins in spring can easily trigger allergies and pose a fire hazard, and existing cleaning equipment still has significant shortcomings. Traditional sweeping methods easily cause the catkins to be re-spread; water spraying can cause the catkins to stick to the ground, dry, and then drift away again.

[0003] Existing handheld collection devices mostly employ a single air duct design, resulting in poor compatibility between adsorption pressure and air volume. They are prone to simultaneously sucking in ground debris, leading to fan malfunctions. Their filtration structures are simple and easily clogged by flying catkins, resulting in insufficient filtration efficiency. Furthermore, the small size and light weight of willow and poplar catkins contribute to the overall low purification efficiency. In addition, collection bags are often inconvenient to install and remove and have poor sealing, easily causing catkin leakage. Some devices are also too heavy, causing significant fatigue for a single person operating them for extended periods, thus limiting their applicability.

[0004] While existing patented technologies include willow catkin collection devices that incorporate air duct and filtration designs, most are non-handheld structures such as trolleys, lacking lightweight design. Some handheld models lack precise adsorption control and automatic anti-clogging structures, making it difficult to balance cleaning efficiency, effective purification, and ease of operation.

[0005] Therefore, we propose a poplar and willow catkin collection device that is handheld, can achieve precise adsorption, has anti-clogging function, and is easy to maintain. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a handheld poplar and willow catkin collector that is hand-operated, enables precise adsorption, has anti-clogging capabilities, and is easy to maintain.

[0007] This invention provides a handheld willow and poplar fluff collector, comprising: a combined air duct, wherein the combined air duct is sequentially provided with a flat-mouth suction and fluff collection section, a main fluff collection chamber section, and a main suction chamber section; wherein one end of the main fluff collection chamber section is detachably connected to the flat-mouth suction and fluff collection section; the other end of the main fluff collection chamber section is detachably connected to the main suction chamber section; a power unit, wherein the power unit is located at one end of the combined air duct and at the main suction chamber section; the power unit includes an operating handle, a battery, and a fan; the operating handle is connected to the main suction chamber section. The main air chamber section is fixedly connected to one side; the battery is detachably installed on the operating handle and near the end of the main air chamber section; the fan is located on the end face of the main air chamber section and communicates with the main air chamber section; the fan is electrically connected to the battery; wherein, the airflow generated by the fan along the inlet direction of the flat-mouth air suction and flocculation section is negative pressure adsorption; and a filter bag, the filter bag is located inside the combined air duct and is detachably connected to the main flocculation section, and abuts and seals against the inner wall of the main flocculation section; In this design, the flat-mouthed suction and fluff-collecting section is oriented towards the poplar and willow fluff on the ground, and the fan is activated to draw the fluff into the filter bag. In practical applications, this design aims to make operation more convenient, allowing for easier access to the ground and facilitating the collection of poplar and willow fluff, thus significantly improving human-machine efficiency.

[0008] Furthermore, the flat-mouth suction and flocculation collection section includes a flat-mouth suction section and an initial flocculation collection chamber section; wherein, along the direction from the initial flocculation collection chamber section to the flat-mouth suction section, the diameter of the flat-mouth suction section decreases. In practical applications, the purpose of this design is to achieve a pressurization effect, greatly improving the degree of negative pressure adsorption.

[0009] Furthermore, the flat-mouth suction section is flat-mouthed and has a horizontal bottom surface that is flush with the ground. In practical applications, the purpose of this design is to increase the suction area, thereby improving the efficiency of absorbing willow catkins. The horizontal bottom surface also makes it easier to hold the device close to the ground during operation, thus simplifying the process.

[0010] Furthermore, the filter bag includes a retaining ring and a filter bag; one end of the filter bag is open and the other end is closed; and the opening of the filter bag is connected to the retaining ring and abuts against the inner wall of the main flocculation bin section. In practical applications, the purpose of this design is to achieve both a tight seal and quick disassembly. The retaining ring used has a certain degree of elasticity, which facilitates fixing and easy removal.

[0011] Furthermore, the filter bag is made of industrial filter bag. In practical applications, this design offers advantages such as readily available raw materials; and the fact that industrial filter bags, used for extended periods in factory dust collection, have internal pores that facilitate airflow while preventing the leakage of willow catkins, resulting in more comprehensive collection.

[0012] Furthermore, the combined air duct is also equipped with a combined fixing installation component, which includes a positioning component and a fixing component. The positioning component has positioning slots and positioning blocks. The flat-mouth suction and lint-collecting section has two positioning slots, the main lint-collecting chamber section has two positioning slots and two positioning blocks, and the main suction chamber section has two positioning blocks. Any two positioning slots or positioning blocks are arranged opposite to each other. Any adjacent positioning slots and positioning blocks are detachably connected. The fixing component has at least two fixing buckles, which are respectively located at both ends of the main lint-collecting chamber section and are detachably connected to the flat-mouth suction and lint-collecting section and the main suction chamber section, respectively. In practical applications, the purpose of this design is to facilitate both fixing and disassembly.

[0013] Furthermore, the combined ventilation duct is made of lightweight materials. In practical applications, the entire combined system is made of lightweight plastic, making it easy to carry.

[0014] Furthermore, the main suction chamber section is provided with connection holes, through which the fan is fixedly installed on the main suction chamber section. In practical applications, this design facilitates fixing.

[0015] Furthermore, the power unit also includes a start switch, which is located at the operating handle and is used to turn the fan and battery electrically connected; the start switch is in the shape of a circular button. In practical applications, this button design occupies a small area, providing more space for the operator to hold the operating handle, which facilitates operation and is also convenient for different users.

[0016] As can be seen from the above technical solution, the beneficial effects of the handheld willow catkin collector provided by the present invention are as follows: (1) In practical application, the handheld lightweight design adopted by this design replaces the traditional trolley method, which greatly facilitates the operator and enables effective use in different areas. (2) Moreover, the filter bag filtration method adopted is simple and efficient, replacing the traditional complex filtration scheme; it can realize the rapid integrated operation of filter collection and replacement; and it reduces the secondary dispersion pollution of dust and willow catkins. (3) Furthermore, its flat-mouth suction and lint collection section is connected to the main lint collection bin section, which greatly saves space and improves space utilization. (4) At the same time, this application is specifically designed for the operation scenario of collecting willow catkins, effectively filling the gap in the industry where there is no specific equipment and greatly solving the market application problem; (5) The battery is designed to be removable, which enables long-term operation and meets the needs of actual work. Moreover, the battery and the fan are located at one end of the main suction chamber in the combined air duct. In this way, the center of gravity is concentrated at this point during operation, and this point is close to the hand. This makes it possible to operate with less effort and greatly meets the needs of human-machine efficiency. In addition, since the center of gravity is concentrated away from the direction of the flat suction, the position and direction of the flat suction can be easily adjusted in actual use. The center of gravity is far away, which makes it easier to save effort. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of the present invention, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 A front view of a handheld poplar and willow catkin collector provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the installation structure of the filter bag in a handheld poplar and willow catkin collector according to the present invention; Figure 3 This is a three-dimensional disassembled structural diagram of a handheld willow catkin collector according to the present invention; Figure label: Combined air duct 100, flat-mouth suction and lint collection section 110, initial lint collection bin section 111, flat-mouth suction section 112, horizontal bottom surface 112a, positioning slot 113, main lint collection bin section 120, positioning block 121, fixing buckle 122, main suction bin section 130, connecting hole 131, power unit 200, operating handle 210, battery 220, fan 230, start switch 240, filter bag 300, clip 301, filter bag 302, combined fixing installation component 400, positioning component 401, fixing component 402. Detailed Implementation

[0019] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0020] The basic implementation examples are as follows: Figures 1 to 3 As shown: like Figure 1-3As shown in the figure, this embodiment provides a handheld poplar and willow catkin collector, which aims to solve the problems of bulky collection equipment, inconvenient operation, easy clogging, and cumbersome maintenance in the prior art. Through lightweight and modular design, it can achieve efficient, convenient and accurate adsorption and collection of poplar and willow catkins on the ground, sidewalks, lawns, garages, factories and other ground surfaces.

[0021] like Figures 1 to 3 As shown, this embodiment provides a handheld willow catkin collector, which is cylindrical in shape for easy one-handed holding and operation. The collector mainly consists of three parts: a combined air duct 100, a power unit 200, and a filter bag 300.

[0022] The combined air duct 100 constitutes the main airflow channel and collection chamber of the equipment. It is injection molded from lightweight material, which greatly reduces the overall weight while ensuring structural strength, making it convenient for long-term handheld operation. The combined air duct 100 includes three detachable parts along the airflow direction: a flat-mouth suction and lint collection section 110, a main lint collection chamber section 120, and a main suction chamber section 130.

[0023] The flat-mouth suction and fluff-collecting section 110 is located at the foremost end and is used to draw in poplar and willow fluff close to the ground. It further includes an initial fluff-collecting chamber section 111 and a flat-mouth suction section 112 that are interconnected. The initial fluff-collecting chamber section 111 has a roughly circular or rectangular cross-section and is used to initially collect the drawn-in poplar and willow fluff. The flat-mouth suction section 112 is connected to the front end of the initial fluff-collecting chamber section 111, and its diameter gradually decreases along the airflow direction (i.e., from the initial fluff-collecting chamber section 111 towards the external environment), forming a Venturi-shaped constricted structure. This design can pressurize the airflow, significantly improving the local negative pressure adsorption force at the inlet. Most importantly, the end opening of the flat-mouth suction section 112 is flat and duckbill-shaped, and its lower surface 112a is designed to be horizontal. This allows the lower surface 112a to smoothly adhere to the ground or be slightly raised off the ground by a very small gap during operation, maximizing the adsorption coverage width and improving suction efficiency while preventing the inhalation of excessively large debris or hard friction with the ground.

[0024] The flat-mouth suction and fluff collection section 110 and the main fluff collection chamber section 120 are the main collection and temporary storage areas for poplar and willow fluff. One end of the section is connected to the tail end of the initial fluff collection chamber section 111 of the flat-mouth suction and fluff collection section 110 through a combined fixing installation component 400, and the other end is connected to the main suction chamber section 130 through another set of combined fixing installation components 400.

[0025] The combined fixing installation component 400 includes positioning components 401 and fixing components 402. Specifically, two positioning slots 113 are symmetrically arranged on the outer wall of the tail end of the flat-mouth suction and lint-collecting section 110; two positioning blocks 121 matching the positioning slots 113 are symmetrically arranged on the outer wall of the head end of the main lint-collecting section 120, and two positioning slots 113 are symmetrically arranged on the outer wall of the tail end; two positioning blocks 121 matching the positioning slots 113 are symmetrically arranged on the outer wall of the head end of the main suction section 130. During assembly, the positioning blocks 121 of two adjacent sections of the air duct are aligned and inserted into the corresponding positioning slots 113 to achieve preliminary radial positioning. To further ensure a firm connection, fixing components 402 are also provided at both ends of the main lint-collecting section 120, and the fixing components 402 are, for example, at least two (preferably symmetrically arranged) elastic fixing buckles 122. Once adjacent sections are aligned using the positioning element 400, press the fixing buckle 122 to engage it in the groove on the outer wall of the corresponding air duct section (flat-mouth suction and lint collection section 110 or main suction chamber section 130), thereby achieving axial locking. For disassembly, simply press the fixing buckles 122 on both sides simultaneously to disengage them from the grooves, allowing for easy separation of each air duct section. This design enables quick assembly and disassembly of the equipment, facilitating maintenance and cleaning.

[0026] The filter bag 300 is disposed inside the main lint collection section 120. The filter bag 300 includes an assembly consisting of a retaining ring (or spring steel ring) 301 and a filter bag 302. The filter bag 302 is preferably made of industrial-grade polyester needle-punched felt or non-woven fabric, with one end open and the other end closed at the bottom. The retaining ring 301 is sewn or fastened to the open edge of the filter bag 302, and relies on its own elastic expansion force to ensure that the open end of the filter bag 300 tightly abuts against and is stretched against the inner wall of the main lint collection section 120, forming an effective seal and preventing airflow and willow catkins from short-circuiting around the filter bag. When cleaning or replacement is required, simply overcome the elasticity of the retaining ring 301 to remove it from the inner wall of the main lint collection section 120, and the entire filter bag 300 along with the collected willow catkins can be removed, making maintenance more convenient.

[0027] The main suction chamber section 130 serves as the mounting base and main air duct for the power unit 200. A connection hole 131 is provided on its tail end face or side wall. The power unit 200 includes an operating handle 210, a battery 220, a fan 230, and a start switch 240.

[0028] The operating handle 210 is fixedly connected to the side of the main suction chamber section 130, and its shape is ergonomic for easy gripping. The battery 220 is a rechargeable lithium battery pack, which is detachably installed at the lower or rear of the operating handle 210, near the end of the main suction chamber section 130, via a sliding rail or quick-release interface. This detachable design facilitates battery replacement for continuous operation and also allows for individual battery charging.

[0029] The fan 230 is preferably a brushless fan, which is fixedly installed at the connection hole 131 at the tail end of the main suction chamber section 130 by screws or clamps, so that the air inlet of the fan is directly connected to the internal cavity of the main suction chamber section 130. The exhaust outlet of the fan faces the rear of the equipment. The start switch 240 is located on the operating handle 210 in a position easily accessible to the index finger, such as a round waterproof button. The start switch 240 controls the circuit connection between the battery 220 and the fan 230.

[0030] Working principle and operation process: The operator holds the operating handle 210 with one hand, directing the flat suction section 112 of the flat suction and fluff collection section 110 toward the accumulated poplar and willow fluff on the ground, and ensuring the horizontal bottom surface 112a is close to the ground. The start switch 240 is pressed, and the fan 230 starts. After the fan 230 starts working, a directional airflow from the inlet to the fan is generated in the main suction chamber section 130, the main fluff collection chamber section 120, and the flat suction and fluff collection section 110, i.e., a negative pressure adsorption force is formed at the inlet of the flat suction section 112. Under the action of negative pressure, the poplar and willow fluff on the ground is sucked into the flat suction and fluff collection section 110 and enters the main fluff collection chamber section 120 with the airflow. The airflow can penetrate the micropores of the filter bag 300 into the main suction chamber section 130 and is finally discharged by the fan 230; while the poplar and willow fluff is intercepted in the filter bag 302, achieving collection. Thanks to the filtering effect of the filter bag 302, poplar and willow catkins are effectively prevented from entering the fan 230 and causing blockage.

[0031] When the amount of poplar and willow catkins collected in the filter bag 300 reaches a certain level, the equipment can be turned off. By pressing the fixing buckle 122, the flat-mouth suction and catkin collection section 110 and the main catkin collection chamber section 120 can be separated. After emptying or cleaning the poplar and willow catkins, they can be reinstalled for use. When the battery is depleted, it can be removed from the operating handle 210 and replaced with a fully charged battery.

[0032] The beneficial effects of this embodiment are as follows: Firstly, the overall design is handheld and lightweight, making it flexible to operate and easy to handle the collection of willow catkins in narrow and irregular areas, replacing bulky cart-type equipment.

[0033] Secondly, the flat air intake combined with the horizontal bottom design can not only effectively fit the ground to improve adsorption efficiency and accuracy, but also reduce the intake of debris.

[0034] Meanwhile, the modular air duct clamping structure and the filter bags fixed with steel clamps enable quick disassembly and maintenance. The replacement and cleaning of the filter bags are very convenient, fundamentally solving the maintenance problem after clogging.

[0035] Furthermore, the power units (battery and fan) are concentrated near the handle, which makes the center of gravity of the equipment closer to the hand, making it easier to operate and allowing for easy adjustment of the direction and angle of the front suction port, resulting in good ergonomics.

[0036] Finally, this application is specifically designed to address the physical characteristics of willow catkins being lightweight, fluffy, and easily dispersed. By optimizing the air duct (flat-mouthed and constricted neck) and filtration method, it achieves efficient collection of this specific type of floating object, filling a market gap.

[0037] In summary, this handheld poplar and willow catkin collector is not only reasonably designed and easy to operate, but also effectively adaptable to handheld operation, capable of precise adsorption, has anti-clogging function, and is easy to maintain; therefore, this device is suitable for industry promotion.

[0038] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

[0039] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification. The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. A hand-held dandelion collector, characterized in that The utility model relates to a combined air duct, a power unit and a filter cloth bag. The combined air duct comprises a flat-mouthed air suction flocculation section, a main flocculation bin section and an air suction main bin section in sequence. The main flocculation bin section is detachably connected to one end of the flat-mouthed air suction flocculation section. The other end of the main flocculation bin section is detachably connected to the air suction main bin section. The power unit is arranged at one end of the combined air duct and located at the air suction main bin section.

2. A hand-held petal collector according to claim 1, characterised in that The power unit comprises an operating handle, a battery and a fan.

3. A hand-held petal collector according to claim 1, wherein The operating handle is fixedly connected to one side of the air suction main bin section.

4. A hand-held petal collector according to claim 1, wherein The battery is detachably mounted on the operating handle and close to the end of the air suction main bin section.

5. A hand-held petal collector according to claim 4, wherein, The fan is arranged on the end face of the air suction main bin section and communicates with the air suction main bin section.

6. A hand-held petal collector according to claim 1, wherein The fan is electrically connected to the battery. The fan generates a negative pressure suction in the direction of the inlet of the flat-mouthed air suction flocculation section. The filter cloth bag is arranged in the combined air duct, detachably connected to the main flocculation bin section and sealed against the inner wall of the main flocculation bin section.

7. A hand-held petal collector according to claim 1, wherein The flat-mouthed air suction flocculation section is arranged towards the ground where the willow catkins are located, and the fan is started to suck the willow catkins into the filter cloth bag.

8. A hand-held petal collector according to claim 1, wherein The flat-mouthed air suction flocculation section comprises a flat-mouthed air suction section and an initial flocculation bin section.

9. A hand-held petal collector according to claim 1, wherein The diameter of the flat-mouthed air suction section decreases in the direction from the initial flocculation bin section to the flat-mouthed air suction section. The flat-mouthed air suction section is flat-mouthed and horizontally arranged on the ground. The filter cloth bag comprises a clamping circle and a filter cloth bag. One end of the filter cloth bag is open, and the other end is closed. The opening of the filter cloth bag is connected to the clamping circle and abuts against the inner wall of the main flocculation bin section. The filter cloth bag is made of industrial cloth bag. The combined air duct further comprises a combined fixed mounting member. The combined fixed mounting member comprises a positioning member and a fixing member. The positioning member comprises positioning grooves and positioning blocks. The flat-mouthed air suction flocculation section comprises two positioning grooves, the main flocculation bin section comprises two positioning grooves and two positioning blocks, and the air suction main bin section comprises two positioning blocks. Any two positioning grooves or positioning blocks are oppositely arranged. Any adjacent positioning groove and positioning block are detachably connected. The fixing member comprises not less than two fixing buckles. The fixing buckles are arranged at two ends of the main flocculation bin section and detachably connected to the flat-mouthed air suction flocculation section and the air suction main bin section. The combined air duct is made of lightweight material. The air suction main bin section comprises a connecting hole. The fan is fixedly mounted on the air suction main bin section through the connecting hole. The power unit further comprises a starting switch. The starting switch is arranged at the operating handle and used to open and close the electrical connection between the fan and the battery. The starting switch is circular in shape.

Citation Information

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