Folding structure of dedusting duster

Abstract

The utility model belongs to the technical field of dust removal dusters, and particularly relates to a folding structure of a dust removal duster, which comprises a grip and a dust removal head which can be folded relatively, the grip and the dust removal head are rotatably connected through a hinge rod, the grip is provided with at least three limiting bulges, the limiting bulges are arranged on the periphery of the hinge rod, and a positioning groove is formed between every two adjacent limiting bulges. The positioning grooves are formed in the periphery of the hinge rod, the dust removal head is provided with positioning parts matched with the positioning grooves, and the positioning parts are matched with the different positioning grooves to enable the grip and the dust removal head to be relatively fixed and enable the grip and the dust removal head to keep different inclination angles; the limiting bulge and / or the positioning part are / is made of an elastic material, external force controls the grip and the dust removal head to rotate relatively, the limiting bulge and / or the positioning part can deform, and the positioning part crosses the limiting bulge, so that the positioning part is switched among different positioning grooves; the folding structure of the dedusting duster is simple in structure, convenient to assemble and produce and long in service life.

Description

Technical Field

[0001] This utility model belongs to the field of duster technology, and specifically relates to a folding structure for a duster. Background Technology

[0002] A duster, also called a duster, is a cleaning tool primarily used to remove dust. Its materials range from traditional chicken feathers to modern synthetic materials such as microfiber and chenille. Modern dusters use electrostatic adsorption technology to reduce dust pollution and are equipped with features such as a retractable handle and antibacterial dusting head to improve cleaning efficiency. They are suitable for furniture surfaces, vehicle interiors, and other applications.

[0003] Most common dusters consist of a handle and a dusting head. To prevent damage to the dusting head, it is usually quite flexible. To avoid damage during transport, many dusters on the market have dusting heads that can be folded towards the handle, as illustrated by Chinese utility model patent CN. 202420660074.7 discloses an adjustable-head duster, which includes a first support member and a second support member. The first support member is pivotally connected to the second support member. The first support member is connected to a locking disc. The first support member and the locking disc rotate coaxially. The locking disc has multiple slots, which are arranged at axial intervals around the locking disc. The second support member is connected to a movable locking block. All of the multiple slots can cooperate with the locking block. The locking block can switch between a first position and a second position. When the locking block is engaged with any of the slots, the locking block is in the first position to restrict the rotation of the locking disc. When the locking block is in the second position, the locking block is separated from the slot. The second support member is connected to an elastic member, which is connected to the locking block to drive the locking block to reset.

[0004] While the above structure allows users to flexibly adjust the relative angle between the first and second support members, it requires the installation of locking blocks and elastic components, which is inconvenient for the assembly and production of dust dusters. Furthermore, during the use of the dust duster, when the second support member is subjected to excessive force, the locking blocks and locking discs are easily damaged, affecting the service life of the dust duster. Summary of the Invention

[0005] In order to overcome the defects in the prior art, the purpose of this utility model is to provide a folding structure for a dust duster that is simple in structure, easy to assemble and produce, and has a long service life.

[0006] The purpose of this utility model is achieved as follows:

[0007] A folding structure for a duster includes a handle and a dust removal head that can be folded relative to each other. The handle and the dust removal head are rotatably connected by a hinge rod. The handle is provided with at least three limiting protrusions, which are located on the outer periphery of the hinge rod, and a positioning groove is formed between adjacent limiting protrusions. The positioning groove is located on the outer periphery of the hinge rod. The dust removal head is provided with a positioning part that is adapted to the positioning groove. The positioning part can be matched with different positioning grooves to fix the handle and the dust removal head relatively and to maintain different tilt angles between the handle and the dust removal head.

[0008] The limiting protrusion and / or positioning part is made of elastic material. When an external force controls the relative rotation of the handle and the dust removal head, the limiting protrusion and / or positioning part can deform and cause the positioning part to pass over the limiting protrusion, thereby allowing the positioning part to switch between different positioning grooves and thus adjust the tilt angle of the handle and the dust removal head.

[0009] The present invention is further configured such that: each of the limiting protrusions is provided with a first guide surface, the first guide surface is provided on the side of the positioning groove and extends to the end of the side wall of the positioning groove, and the positioning part can be guided by the first guide surface and cooperate with or disengage from the positioning groove.

[0010] The present invention is further configured such that: the first guide surface is an arc-shaped end face disposed at the end of the limiting protrusion, the arc-shaped end face extends to both sides of the limiting protrusion and extends into the positioning grooves on both sides of the limiting protrusion.

[0011] The present invention is further configured such that: abutting surfaces are provided on both sides of the positioning part, and the abutting surfaces abut against the limiting protrusions on both sides of the positioning groove, thereby preventing the handle and dust removal head from shaking.

[0012] The present invention is further configured such that: the abutting surface includes a first abutting surface and a second abutting surface respectively disposed on both sides of the positioning part, the first abutting surface abuts against the limiting protrusion side of one side of the positioning groove, and the second abutting surface extends to the limiting protrusion end of the other side of the positioning groove.

[0013] The present invention is further configured such that: a hinge seat is provided on the grip, an arc-shaped sidewall is provided on the outer side of the hinge seat, and limiting protrusions are evenly provided on the arc-shaped sidewall along the axis of the hinge rod.

[0014] The present invention is further configured such that: two hinge seats are spaced apart on the handle, and a hinge rod is provided on the side of the two hinge seats that are relatively far apart; two connecting seats are spaced apart on the dust removal head, and each connecting seat is provided with a hinge hole that is adapted to the hinge rod on the two hinge seats; under the action of external force, the hinge seat can deform and cause the hinge rod to engage or disengage from the hinge hole.

[0015] The present invention is further configured such that: a second guide surface is provided at the end of the hinge rod or the end of the hinge hole, and the hinge rod is guided by the second guide surface and cooperates with the hinge hole.

[0016] The present invention is further configured such that: the handle includes a connecting rod, an extension rod, and an end cap that are detachably connected in sequence; the connecting rod is rotatably connected to the dust removal head; the connecting rod is provided with a first connecting part; the two ends of the extension rod are respectively provided with a second connecting part and a first connecting part; the end cap is provided with a second connecting part; the first connecting part and the second connecting part are detachably connected, thereby making the extension rod detachably connected to the connecting rod and the end cap respectively, or making the connecting rod and the end cap detachably connected.

[0017] The present invention is further configured such that: the grip includes at least two extension rods connected in sequence, the first connecting part and the second connecting part on the two adjacent extension rods are detachably connected, and the extension rods at both ends are detachably connected to the connecting rod and the end cap respectively.

[0018] The advantages of this utility model compared to the prior art are:

[0019] 1. The duster of this utility model includes only a handle and a dust removal head. It has fewer parts, a simple structure, and is easy to assemble and manufacture. At least three limiting protrusions form at least two positioning grooves on the handle, which is beneficial for the dust removal head and the handle to have multiple fixed angles. Users can flexibly adjust the duster as needed, which is convenient for users. The limiting protrusions and / or positioning parts made of elastic material make it easy for the positioning part to switch between different positioning grooves, which is convenient for users to adjust. When the dust removal head is subjected to excessive force, the dust removal head can rotate relative to the handle, which can prevent accidental damage to the duster and help extend the service life of the duster.

[0020] 2. The first guide surface in this utility model facilitates the engagement or disengagement of the positioning part and the positioning groove, making it convenient for the user to control the relative rotation of the dust removal head and the handle, and making it convenient for the user to use; the arc-shaped end face structure helps to reduce the friction between the positioning part and the limiting protrusion during the relative rotation of the dust removal head and the handle, making it convenient for the user to adjust the relative angle of the dust removal head and the handle, and also helps to extend the service life of the dust removal head and the handle.

[0021] 3. The abutting surface in this utility model facilitates a tight connection between the positioning part and the positioning groove, preventing the handle and dust removal head from shaking during use, thus making it convenient for the user. Since the second abutting surface extends to the end of the limiting protrusion, this structure facilitates the quick disengagement of the positioning part from the positioning groove, allowing the handle and dust removal head to be quickly unfolded or folded. Furthermore, since the first abutting surface abuts against the side of the limiting protrusion, this structure increases the resistance during the rotation of the handle and dust removal head, which is beneficial for the stable installation of the handle and dust removal head and prevents accidental rotation of the handle and dust removal head during use from affecting the user's normal use.

[0022] 4. In this utility model, since the limiting protrusions are evenly arranged on the arc-shaped sidewall along the axis of the hinge rod, this structure facilitates the uniform adjustment of the dust removal head and handle, making it convenient for users to adjust and use. The two hinge seats arranged at intervals help to distribute the force on the dust removal head and handle, which is conducive to the stable connection between the dust removal head and handle and avoids damage to the connection position between the dust removal head and handle. In addition, this structure facilitates the deformation of the hinge seats, thereby facilitating the disassembly and installation of the dust removal head and handle, and making it convenient for the assembly, production, disassembly and maintenance of the dust removal duster. The setting of the second guide surface facilitates the quick disassembly and installation of the hinge rod and the hinge hole, making it convenient for the assembly, production, disassembly and maintenance of the dust removal duster.

[0023] 5. In this utility model, since the connecting rod is provided with a first connecting part and the end cap is provided with a second connecting part, and the two ends of the extension rod are respectively provided with a second connecting part and a first connecting part, the end cap can be directly connected and cooperated with the connecting rod during use. The end cap and the connecting rod can also be installed on both sides of the extension rod, which facilitates the flexible assembly and use of the dust duster and makes it easy to store and transport the dust duster after disassembly. The structure of multiple extension rods helps to reduce the length of the parts after the dust duster is disassembled, which is convenient for the dust duster to be stored and transported after disassembly. Moreover, this structure makes it easy for users to assemble dust dusters of different lengths as needed, which is convenient for users to use flexibly. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is an exploded view of the present invention;

[0026] Figure 3 This is one of the usage state diagrams of this utility model;

[0027] Figure 4 This is the second diagram showing the usage state of this utility model;

[0028] Figure 5 This is a folded view of the present invention;

[0029] Figure 6 This is a partial sectional view of the present invention;

[0030] Figure 7 This is a schematic diagram of the connecting rod in this utility model;

[0031] Figure 8 This is a cross-sectional view of the extension rod in this utility model;

[0032] Figure 9 This is a cross-sectional view of the mid-end cap of this utility model;

[0033] Figure 10 This is a schematic diagram of the dust removal head in this utility model;

[0034] Figure 11 This is a partial cross-sectional view of the dust removal head in this utility model.

[0035] The labels in the diagram have the following meanings: 1-Handle; 11-Connecting rod; 12-Extension rod; 13-End cap; 14-Limiting protrusion; 15-First guide surface; 16-Positioning groove; 111-Hinge seat; 112-Hinge rod; 113-Second guide surface; 114-First connecting part; 121-Second connecting part; 131-Hook hole; 2-Dust removal head; 21-Connecting seat; 22-Hinge hole; 23-Positioning part; 231-First abutting surface; 232-Second abutting surface. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0037] See Figures 1 to 11 As shown, a folding structure for a duster includes a foldable handle 1 and a dust removal head 2. The handle 1 and the dust removal head 2 are rotatably connected by a hinge rod 112. The handle 1 is provided with at least three limiting protrusions 14, which are located on the outer periphery of the hinge rod 112, and positioning grooves 16 are formed between adjacent limiting protrusions 14. The dust removal head 2 is provided with a positioning part 23 that is adapted to the positioning groove 16. The positioning part 23 can fix the handle 1 and the dust removal head 2 relative to each other and maintain different tilt angles when it cooperates with different positioning grooves 16. This structure has fewer duster parts, is simple in structure, and is easy to assemble and produce. The at least three limiting protrusions 14 form at least two positioning grooves 16 on the handle 1, which is beneficial for the dust removal head 2 and the handle 1 to have multiple fixed angles. Users can flexibly adjust the duster as needed, making it convenient for users to use.

[0038] The limiting protrusion 14 and / or positioning part 23 are made of elastic material. When external force controls the relative rotation of the handle 1 and the dust removal head 2, the limiting protrusion 14 and / or positioning part 23 can deform and cause the positioning part 23 to pass over the limiting protrusion 14. Thus, the positioning part 23 switches between different positioning grooves 16, thereby adjusting the tilt angle of the handle 1 and the dust removal head 2. The limiting protrusion 14 and / or positioning part 23 made of elastic material facilitates the switching of the positioning part 23 between different positioning grooves 16, making it convenient for the user to adjust and use. Moreover, when the dust removal head 2 is subjected to excessive force, the dust removal head 2 can rotate relative to the handle 1, which can prevent accidental damage to the dust removal duster and help extend the service life of the dust removal duster.

[0039] In this utility model, each of the limiting protrusions 14 is provided with a first guide surface 15. The first guide surface 15 is provided on the side of the positioning groove 16 and extends to the end of the side wall of the positioning groove 16. The positioning part 23 can be guided by the first guide surface 15 and cooperate with or disengage from the positioning groove 16. The provision of the first guide surface 15 is conducive to the cooperation or disengagement of the positioning part 23 with the positioning groove 16, making it convenient for the user to control the relative rotation of the dust removal head 2 and the handle 1, and making it convenient for the user to use.

[0040] In this embodiment, the first guide surface 15 is an arc-shaped end face provided at the end of the limiting protrusion 14. The arc-shaped end face extends to both sides of the limiting protrusion 14 and into the positioning grooves 16 on both sides of the limiting protrusion 14. The structure of the arc-shaped end face helps to reduce the friction between the positioning part 23 and the limiting protrusion 14 during the relative rotation of the dust removal head 2 and the handle 1, making it convenient for the user to adjust the relative angle between the dust removal head 2 and the handle 1, and also helps to extend the service life of the dust removal head 2 and the handle 1.

[0041] The positioning part 23 is provided with abutting surfaces on both sides, which abut against the limiting protrusions 14 on both sides of the positioning groove 16, thereby preventing the handle 1 and the dust removal head 2 from shaking. The abutting surfaces facilitate the tight connection between the positioning part 23 and the positioning groove 16, preventing the handle 1 and the dust removal head 2 from shaking during the use of the dust removal duster, and making it convenient for the user to use.

[0042] The abutting surface described in this utility model includes a first abutting surface 231 and a second abutting surface 232 respectively disposed on both sides of the positioning part 23. The first abutting surface 231 abuts against the side of the limiting protrusion 14 on one side of the positioning groove 16, and the second abutting surface 232 extends to the end of the limiting protrusion on the other side of the positioning groove 16. Since the second abutting surface 232 extends to the end of the limiting protrusion, this structure facilitates the quick disengagement of the positioning part 23 from the positioning groove 16, making it convenient for the handle 1 and the dust removal head 2 to be quickly unfolded or folded. Furthermore, since the first abutting surface 231 abuts against the side of the limiting protrusion 14, this structure helps to increase the resistance during the rotation of the handle 1 and the dust removal head 2, which is beneficial for the stable installation of the handle 1 and the dust removal head 2 and prevents the handle 1 and the dust removal head 2 from accidentally rotating during use, thus affecting the normal use of the user.

[0043] In this embodiment, when the handle 1 and the dust removal head 2 are unfolded relative to each other, the first pressing surface 231 slides along the first guide surface 15 and the positioning part 23 passes over the limiting protrusion 14. This structure makes the resistance greater during the unfolding of the handle 1 and the dust removal head 2, and avoids the handle 1 and the dust removal head 2 from rotating accidentally during use. When the handle 1 and the dust removal head 2 are folded relative to each other, the second pressing surface 232 slides along the first guide surface 15 and the positioning part 23 passes over the limiting protrusion 14. This structure makes the resistance less during the folding of the handle 1 and the dust removal head 2, making it easier for the user to control the quick folding of the handle 1 and the dust removal head 2, and making it convenient for the user to use.

[0044] The handle 1 described in this utility model is provided with a hinge seat 111, and the outer side of the hinge seat 111 is provided with an arc sidewall. The limiting protrusion 14 is evenly arranged along the axis of the hinge rod 112 on the arc sidewall. This structure is conducive to the uniform adjustment of the dust removal head 2 and the handle 1, and is convenient for users to adjust and use.

[0045] The handle 1 is provided with two hinge seats 111 spaced apart, and each hinge seat 111 has a hinge rod 112 on the side that is relatively far apart from the handle 111. The dust removal head 2 is provided with two connecting seats 21 spaced apart, and each connecting seat 21 has a hinge hole 22 that is adapted to the hinge rod 112 on the two hinge seats 111. Under the action of external force, the hinge seat 111 can deform and make the hinge rod 112 engage or disengage from the hinge hole 22. The two hinge seats 111 spaced apart are conducive to dispersing the force on the dust removal head 2 and the handle 1, which is conducive to the stable connection between the dust removal head 2 and the handle 1, and avoids damage to the connection position between the dust removal head 2 and the handle 1. In addition, this structure facilitates the deformation of the hinge seat 111, thereby facilitating the disassembly and installation of the dust removal head 2 and the handle 1, and making it convenient for the assembly, production and disassembly maintenance of the dust removal duster.

[0046] Preferably, a second guide surface 113 is provided at the end of the hinge rod 112 or the end of the hinge hole 22. The hinge rod 112 is guided by the second guide surface 113 and cooperates with the hinge hole 22. The provision of the second guide surface 113 facilitates the quick disassembly and installation of the hinge rod 112 and the hinge hole 22, and facilitates the assembly, production, disassembly and maintenance of the dust collector.

[0047] The handle 1 includes a connecting rod 11, an extension rod 12, and an end cap 13 that are detachably connected in sequence. The connecting rod 11 is rotatably connected to the dust removal head 2. The connecting rod 11 is provided with a first connecting part 114. The two ends of the extension rod 12 are respectively provided with a second connecting part 121 and the first connecting part 114. The end cap 13 is provided with a second connecting part 121. The first connecting part 114 and the second connecting part 121 are detachably connected, so that the extension rod 12 is detachably connected to the connecting rod 11 and the end cap 13 respectively, or the connecting rod 11 and the end cap 13 are detachably connected. During use, the end cap 13 can be directly connected to the connecting rod 11. The end cap 13 and the connecting rod 11 can also be installed on both sides of the extension rod 12, which facilitates the flexible assembly and use of the dust removal duster and makes it easy to store and transport the dust removal duster after disassembly.

[0048] The handle 1 described in this utility model includes at least two extension rods 12 connected in sequence. The first connecting part 114 and the second connecting part 121 on two adjacent extension rods 12 are detachably connected. The extension rods 12 at both ends are detachably connected to the connecting rod 11 and the end cap 13, respectively. The structure of multiple extension rods 12 is beneficial to reducing the length of the parts after the duster is disassembled, making it convenient for the duster to be stored and transported after disassembly. Moreover, this structure allows users to assemble dusters of different lengths as needed, making it convenient for users to use flexibly.

[0049] In this embodiment, the first connecting part 114 and the second connecting part 121 are threaded together. The first connecting part 114 and the second connecting part 121 are respectively a threaded part and a threaded hole. Preferably, the end cap 13 is provided with a hook hole 131 at the end away from the extension rod 12, so that the user can hang the duster through the hook hole 131.

[0050] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A folding structure for a duster, comprising a foldable handle (1) and a dusting head (2), characterized in that: The handle (1) and the dust removal head (2) are rotatably connected by a hinge rod (112). The handle (1) is provided with at least three limiting protrusions (14). The limiting protrusions (14) are located on the outer periphery of the hinge rod (112), and a positioning groove (16) is formed between adjacent limiting protrusions (14). The positioning groove (16) is located on the outer periphery of the hinge rod (112). The dust removal head (2) is provided with a positioning part (23) that is adapted to the positioning groove (16). The positioning part (23) can be matched with different positioning grooves (16) to fix the handle (1) and the dust removal head (2) relatively, and keep the handle (1) and the dust removal head (2) at different tilt angles. The limiting protrusion (14) and / or positioning part (23) are made of elastic material. External force controls the relative rotation of the handle (1) and dust removal head (2). The limiting protrusion (14) and / or positioning part (23) can deform and cause the positioning part (23) to pass over the limiting protrusion (14), thereby the positioning part (23) switches between different positioning grooves (16) and adjusts the tilt angle of the handle (1) and dust removal head (2).

2. The folding structure of a duster according to claim 1, characterized in that: Each of the limiting protrusions (14) is provided with a first guide surface (15). The first guide surface (15) is provided on the side of the positioning groove (16) and extends to the end of the side wall of the positioning groove (16). The positioning part (23) can be guided by the first guide surface (15) and cooperate with or disengage from the positioning groove (16).

3. The folding structure of a duster according to claim 2, characterized in that: The first guide surface (15) is an arc-shaped end face provided at the end of the limiting protrusion (14). The arc-shaped end face extends to both sides of the limiting protrusion (14) and into the positioning grooves (16) on both sides of the limiting protrusion (14).

4. The folding structure of a duster according to claim 1, 2, or 3, characterized in that: The positioning part (23) has abutting surfaces on both sides, which abut against the limiting protrusions (14) on both sides of the positioning groove (16) to prevent the handle (1) and dust removal head (2) from shaking.

5. The folding structure of a duster according to claim 4, characterized in that: The abutting surface includes a first abutting surface (231) and a second abutting surface (232) respectively disposed on both sides of the positioning part (23). The first abutting surface (231) abuts against the side of the limiting protrusion (14) on one side of the positioning groove (16), and the second abutting surface (232) extends to the end of the limiting protrusion on the other side of the positioning groove (16).

6. The folding structure of a duster according to claim 1, 2, 3, or 5, characterized in that: The grip (1) is provided with a hinge seat (111), and the outer side of the hinge seat (111) is provided with an arc sidewall. The limiting protrusion (14) is evenly arranged along the axis of the hinge rod (112) on the arc sidewall.

7. The folding structure of a duster according to claim 6, characterized in that: The handle (1) is provided with two hinge seats (111) spaced apart. Each hinge seat (111) has a hinge rod (112) on the side that is far apart from each other. The dust removal head (2) is provided with two connecting seats (21) spaced apart. Each connecting seat (21) has a hinge hole (22) that is adapted to the hinge rod (112) on the two hinge seats (111). Under the action of external force, the hinge seat (111) can deform and make the hinge rod (112) engage or disengage from the hinge hole (22).

8. The folding structure of a duster according to claim 7, characterized in that: The end of the hinge rod (112) or the end of the hinge hole (22) is provided with a second guide surface (113), and the hinge rod (112) is guided by the second guide surface (113) and cooperates with the hinge hole (22).

9. The folding structure of a duster according to claim 1, 2, 3, 5, 7, or 8, characterized in that: The handle (1) includes a connecting rod (11), an extension rod (12), and an end cap (13) that are detachably connected in sequence. The connecting rod (11) is rotatably connected to the dust removal head (2). The connecting rod (11) is provided with a first connecting part (114). The extension rod (12) is provided with a second connecting part (121) and a first connecting part (114) at both ends. The end cap (13) is provided with a second connecting part (121). The first connecting part (114) and the second connecting part (121) are detachably connected, so that the extension rod (12) is detachably connected to the connecting rod (11) and the end cap (13) respectively, or the connecting rod (11) and the end cap (13) are detachably connected.

10. The folding structure of a duster according to claim 9, characterized in that: The grip (1) includes at least two extension rods (12) connected in sequence. The first connecting part (114) and the second connecting part (121) on the two adjacent extension rods (12) are detachably connected, and the extension rods (12) at both ends are detachably connected to the connecting rod (11) and the end cap (13) respectively.

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