TWI900184B - Labor-saving broom - Google Patents

Abstract

A labor-saving broom comprising: a first rod member having a first head and a first tail, wherein the first tail is provided with a first grip, and the first head is provided with a first connecting member; a second rod member having a second head and a second tail, wherein the second tail is provided with a second grip, and the second head is provided with a second connecting member, wherein the first connecting member and the second connecting member are interconnected to allow the first rod member to be variably angled with respect to the second rod member to form a V-shaped angle or to be arranged side by side; and a cleaning section having a cleaning end and a connecting section, wherein the connecting section is connected to the first head. Thereby, the broom can be held and used with both hands to distribute the weight of the broom, and can be swung with a longer lever arm to use the broom with less effort.

Description

Labor-saving sweep

This invention relates to a broom, and in particular to a labor-saving broom that can be operated with both hands.

Cleaning the home is almost a daily routine, and due to frequent and prolonged use, traditional single-handle brooms are not ergonomically sound in terms of overall material weight and structural design. Even after a brief use, they can feel heavy and difficult to apply force effectively.

In order to improve the existing broom handle problem, as shown in FIG1 , conventional technology such as patent announcement No. M530122 provides a structural improvement of a handle, which includes a grip portion (91), the grip portion (91) includes an inverted Y-shaped main rod (92), the end of the main rod (92) forms a coupling section (93), and an arc-shaped support rod (94) extends from one side of the main rod (92), so that a hollow area (95) is formed between the main rod (92) and the support rod (94), and the grip portion (91) includes a main rod (92) with an inverted Y-shaped main rod (92), and a coupling section (93) is formed at the end of the main rod (92). The connecting section (93) of the rod (91) is connected to the cleaning section (96), thereby enabling the handle to be combined with a broom bristle, a mop cloth or a bucket, and reducing wind resistance and weight during use through the hollow area formed between the main rod and the supporting rod. The main rod and the supporting rod can be held by a child with both hands, and can be swung left and right with the top of the main rod as the center of the circle, so that the cleaning section can be smoothly pushed or lifted, and the center of gravity of the body can be quickly transferred, so that the purpose of cleaning can be achieved in an easy and labor-saving manner. However, because the length from the grip 91 to the cleaning section 96 is fixed, and the lengths of the main shaft 92 and support shaft 94 of the grip 91 are also fixed, the training grip is only suitable for users of a certain height to use with minimal effort. When users of different heights, such as tall users, grasp the grip, the fixed angle between the main shaft and support shaft, as well as the fixed length from the main shaft to the cleaning section, negatively impact the tall user's posture, forcing them to waste energy maintaining balance and preventing them from completing cleaning tasks effortlessly.

In view of this, there is indeed still a need to improve existing technologies.

The purpose of this invention is to provide a labor-saving broom to improve the shortcomings of previous technologies.

Another purpose of this invention is to provide a labor-saving broom that can be used with both hands to distribute the weight of the broom, so that users will not feel tired after long-term use.

Another purpose of this invention is to provide a labor-saving broom handle that can adjust the length of the broom handle and the angle between the first and second rods, so that users of different heights or hand lengths can still use it with less effort.

Another purpose of this invention is to provide a labor-saving broom handle that limits the angle between the first and second rods. This prevents the second rod from falling to the ground due to excessive opening when released, which would require bending over to pick up items.

Another purpose of this invention is to provide a labor-saving broom handle that can quickly remove the second rod to restore the single-rod usage.

Another purpose of this invention is to provide a labor-saving broom handle that can adjust the connection between the cleaning portion and the first rod 180 degrees, so that the force direction can be adjusted to suit left-handed and right-handed users.

To achieve the above and other objectives, the present invention provides a labor-saving broom, comprising: a first rod having a first head and a first tail, the first tail being provided with a first grip, the first head being provided with a first connecting member; a second rod having a second head and a second tail, the second tail being provided with a second grip, the second head being provided with a second connecting member, the first connecting member and the second connecting member being connected to each other so that the first rod can be variably angled to form a V-shaped angle with the second rod or positioned side by side; and a cleaning portion having a cleaning end and a connecting section, the connecting section being connected to the first head.

In one embodiment, when the first rod and the second rod are arranged side by side, a coupling member is provided at a location on the first rod facing the second rod and/or at a location on the second rod facing the first rod, and the coupling member detachably couples the first end of the first rod and the second end of the second rod.

In one embodiment, the coupling member couples/separates the first tail portion and the second tail portion using a snap, magnetic, or Velcro attachment structure.

In one embodiment, the first head and the connecting section are both hollow tubes, and the connecting section and the first head are detachably connected via a connecting device.

In one embodiment, the connecting device is a spring pin. The first head is provided with a set of adjustment holes spaced 180 degrees apart radially. Each set of adjustment holes is spaced axially along the center axis of the first head. The connecting section is provided with a socket. The connecting section can be inserted into the inner diameter of the first head. After the socket is aligned with any adjustment hole, the spring pin is inserted to engage the socket and the adjustment hole, thereby connecting the first head and the connecting section.

In one embodiment, the connecting device is a resilient bump. The first head is provided with a set of adjustment holes spaced 180 degrees apart radially. Each set of adjustment holes is spaced axially along the center axis of the first head. The resilient bump is provided on a tubular surface of the connecting section. The resilient bump can be pressed to temporarily sink into the tubular surface, allowing the connecting section to penetrate the inner diameter of the first head and move relative thereto to adjust its overall length. Once the resilient bump aligns with any adjustment hole, it rebounds to engage the hole, securing the first head and the connecting section.

In one embodiment, the second connecting member is a hook-shaped connector, and the first connecting member is a pin disposed between a pair of lugs. The hook-shaped connector can be quickly snapped onto or detached from the pin.

In one embodiment, the second connecting member has a protrusion. When the first connecting member and the second connecting member are connected to each other and the first rod and the second rod are opened to an angle θ, the protrusion abuts against the surface of the first head tube diameter to form an angle limit.

In one embodiment, the cleaning end is a broom head, and the outer edge of the bristles of the broom head forms a beveled edge. The first head portion and the connecting section can form a first connected state or a second connected state. In the first connected state, when the user holds the first grip in the left hand and the second grip in the right hand, the broom head is perpendicular to the user, and the beveled edge closer to the user is the short side. In the second connected state, when the user holds the first grip in the right hand and the second grip in the left hand, the broom head is perpendicular to the user, and the beveled edge closer to the user is the short side.

Throughout this invention, directions or similar terms, such as front, back, left, right, top, bottom, inside, outside, and side, are primarily used with reference to the directions in the drawings. These directions or similar terms are intended solely to facilitate description and understanding of the various embodiments of this invention and are not intended to limit this invention.

The articles used in the elements and components described throughout this work, such as "a" or "the," are merely for the sake of convenience or simplification of description and should be interpreted as including one or at least one, and a singular concept also includes a plural concept unless it is obvious that the meaning is different.

[This creation]

(10): First rod

(11): First head

(111): First connecting member

(112): Lug

(113): Pin

(114): Adjustment hole

(12): First tail

(121): First grip

(20): Second rod

(21): Second head

(211): Second connecting piece

(212): protrusion

(213): Hook joint

(22): Second tail

(221): Second grip

(30): Cleaning Department

(31): Clean end

(311): Bristles

(312): Hypotenuse

(32):Connection segment

(321): Socket

(40):Joint parts

(50):Connection device

(51): Spring pin

(52): Elastic bump

(U): User

(HL): Left hand

(HR): Right hand

[Practice]

(91): Grip

(92): Main club

(93): Binding segment

(94): Support rod

(95): Hollow area

(96): Cleaning Department

Figure 1 is a three-dimensional diagram of the lightweight grip used in practice techniques.

Figure 2 is a three-dimensional diagram of a labor-saving broom handle according to an embodiment of this invention.

Figure 3 is a front view of the embodiment of Figure 2.

Figure 4 is a right side view of the embodiment of Figure 2.

Figure 5 is a cross-sectional view taken along section line 5-5 of Figure 4.

Figure 6 is a three-dimensional exploded view of the embodiment of Figure 2.

Figure 7 is a partial enlarged view of the connection between the first rod, the second rod, and the cleaning portion of the embodiment of Figure 6.

Figure 8 is a partial enlarged view of the connection between the first rod, the second rod, and the cleaning portion of another embodiment.

Figure 9 is a cross-sectional view taken along section line 9-9 of Figure 4.

Figure 10 is a right side view of the first and second levers with angle limiting structures according to one embodiment.

Figure 11 is a partial enlarged view of the angle limiting structure in Figure 10.

Figure 12 is a schematic diagram of the angle limiting structure of another embodiment.

Figure 13 is a schematic diagram of the user holding the device in use according to an embodiment of the present invention.

Figure 14 is a three-dimensional schematic diagram of the first rod and the cleaning unit of this invention connected in the first and second connection states.

To make the above and other purposes, effects, and features more clearly understood, some preferred embodiments are described below in detail with reference to the accompanying drawings. Without departing from the spirit of the invention, this invention has various implementations and is not limited to the details described in the following embodiments. The drawings are not necessarily drawn to scale and are provided solely for the purpose of illustrating the embodiments.

Figure 2 is a perspective view of a labor-saving broom handle according to an embodiment of this invention; Figure 3 is a front view of the embodiment of Figure 2; Figure 4 is a right side view of the embodiment of Figure 2; Figure 5 is a cross-sectional view taken along section line 5-5 of Figure 4; Figure 6 is an exploded perspective view of the embodiment of Figure 2; and Figure 7 is a partially enlarged view of the connection between the first lever, second lever, and cleaning portion of the embodiment of Figure 6. Referring to Figures 2 to 7, the labor-saving broom of this embodiment comprises: a first rod (10), a second rod (20) and a cleaning portion (30), wherein a first head (11) of the first rod (10) is connected to the cleaning portion (30), and a second head (21) of the second rod (20) is connected to the first head (11) and the second rod (20) changes the angle with the first rod (10) with the connection point as the axis. Specifically, the first rod (10) has a first head (11) and a first tail (12) at both ends, the first tail (12) is provided with a first grip (121) for the user to grip, the first head (11) is provided with a first connecting member (111), and the second rod (20) has a second head (21) and a second tail (22) at both ends, the second tail (22) is provided with a second grip (221) for the user to grip. The user holds the second head (21) and a second connecting member (211) is provided. The second connecting member (211) can be connected to the first connecting member (111), so that the first rod (10) and the second rod (20) can be arranged at a variable angle to form a V-shaped angle or be arranged side by side. The cleaning portion (30) has a cleaning end (31) and a connecting section (32). The connecting section (32) is connected to the first head (11).

Preferably, when the first rod (10) and the second rod (20) are arranged side by side, the first rod (10) faces the second rod (20) or the second rod (20) faces the first rod (10), or a coupling member (40) is provided on the first rod (10) and the second rod (20), respectively, and the coupling member (40) can detachably couple the first tail (12) of the first rod (10) and the second tail (22) of the second rod (20). Specifically, the coupling member (40) couples and/or separates the first tail (12) and the second tail (22) by a snap, magnetic or Velcro bonding structure.

Preferably, the first head (11) and the connecting section (32) are both hollow tubes. The connecting section (32) and the first head (11) are detachably connected via a connecting device (50). The connection position can also be adjusted during connection to change the overall length of the labor-saving broom handle.

FIG8 is a partially enlarged view of the connection between the first rod, the second rod, and the cleaning portion of another embodiment. Please refer to Figures 5, 7 and 8. The embodiment of Figure 7 and the embodiment of Figure 8 are two kinds of combination of the invention, namely, the quick-switch type and the non-quick-switch type. In the embodiment of Figure 8, the first connecting member (111) and the second connecting member (211) are a closed connection structure, and the second rod (20) cannot be quickly detached from the first rod (10). However, the first connecting member (111) and the second connecting member (211) of the embodiment of Figure 7 are an open connection structure, and the second rod (20) can be quickly detached or installed from the first rod (10), so as to facilitate the traditional broom handle structure and usage method that requires both hands to hold the first rod (10).

FIG9 is a cross-sectional view of FIG4 along the section line 9-9. As shown in FIG7 and FIG9, the aforementioned connecting device (50) can be a spring pin (51). The first head portion (11) is provided with a set of adjustment holes (114) at intervals of 180 degrees in the radial direction. Each set of adjustment holes (114) is axially spaced along the central axis of the first head portion (11). The connecting section (32) is provided with a plug hole (321). The connecting section (32) can penetrate the inner diameter of the first head portion (11). After the plug hole (52) is aligned with any adjustment hole (114), the spring pin (51) is inserted to clamp the plug hole (321) and the adjustment hole (114), thereby connecting the first head portion (11) and the connecting section (32).

As shown in FIG8 , the connecting device (50) can also be an elastic protrusion (52) provided on the connecting section (32). The elastic protrusion (52) can be a round ball top. When pressed by an external force, it can elastically move inward and sink into the surface of the pipe diameter, and rebound to its original position after the external force is released. The elastic protrusion (52) cooperates with the height position of each group of adjustment holes (114) to adjust the height of the first grip (121) and the second grip (221) to suit users of different heights for comfortable use. The connecting section (32) can also be rotated 180 degrees to change to use by the left or right dominant hand. In other words, the first head (11) is provided with a set of adjustment holes (114) at intervals of 180 degrees in the radial direction. Each set of adjustment holes (114) is axially spaced along the central axis of the first head (11). The elastic protrusion (52) is provided on one of the diameter surfaces of the connecting section (32). The elastic protrusion (52) is elastically deformed and immersed in the diameter surface when pressed, so that the connecting section (32) can penetrate the inner diameter of the first head (11) and relatively move to adjust the overall length. When the elastic protrusion (52) is aligned with any adjustment hole (114), it rebounds due to the release of external force to clamp the adjustment hole (114) and fix the first head (11) and the connecting section (32).

FIG10 is a right side view of the first rod and the second rod with an angle limiting structure of an embodiment, and FIG11 is a partial enlarged view of the angle limiting structure of FIG10. Please refer to FIG7, FIG10 and FIG11. Preferably, the quick-release mechanism of the first connecting member (111) and the second connecting member (211) can be configured as a hook-shaped joint (213). ), the first connecting member (111) is a pin (113) disposed between a pair of lugs (112), the hook joint (213) has an opening with a smaller diameter than the pin (113), but the inner diameter of the hook is larger than the diameter of the pin (113), so that the hook joint (213) can quickly clamp the pin (113) into or quickly detach the pin (113).

FIG12 is a schematic diagram of an angle limiting structure of another embodiment. Referring to FIG8 and FIG12, preferably, the second connecting member (211) of this embodiment is close to the side of the first head (11) and has a protrusion (212). When the first connecting member (111) and the second connecting member (211) are interconnected and the first rod (10) and the second rod (20) are opened to an angle θ, the protrusion (212) stops at the surface of the first head (11) tube diameter to form an angle limit. Therefore, in the quick-release embodiment of FIG11 or the non-quick-release embodiment of FIG12, when the user (U) holds the first rod (10) and the second rod (20) in both hands while sweeping the floor, if the second rod (20) is released (for example, to move items on the floor to facilitate sweeping), the second rod (20) is limited by the opening angle, and the second grip (221) will stay at a certain height and will not fall to the ground. The user (U) does not need to bend down to the ground to pick up the second grip (221) later, and can safely release the second grip (221) at any time during use.

FIG13 is a schematic diagram of a user holding the present invention in use. Referring to FIG13 , preferably, the cleaning end (31) of the present invention can be a broom head, and the outer edge of one bristle (311) of the broom head is formed into a bevel (312), so that when the user (U) holds the broom and places the broom head vertically on the ground in front of the user (U) so that the first rod (10) is in a tilted state, the bevel (312) of the outer edge of the bristle (311) can completely contact the ground, so as to facilitate better cleaning. In this usage state, the first head portion (11) of the first rod (10) and the connecting section (32) can form a connection in a first connection state or a second connection state. In the first connection state, when the user (U) holds the first grip (121) with his left hand (HL) and holds and pushes or pulls the second grip (221) sideways with his right hand (HR) to pull the cleaning end (31) to sweep the floor, the sweeping head is perpendicular to the user (U), and the oblique side (312) is closer to the user (U) as the short side to facilitate contact with the floor.

FIG14 is a three-dimensional schematic diagram showing the actual effects of the first rod and the cleaning portion of the present invention being connected in the first connection state and the second connection state. As shown in Figures 13 and 14, of course, compared to the first connection state, the second connection state of this embodiment is to rotate the broom head horizontally by 180 degrees, which can also be regarded as the effect of rotating the first rod (10) horizontally by 180 degrees without rotating the broom head, as shown in Figure 14. That is, in the second connection state, when the user (U) holds the first grip (121) with his right hand (HR) and holds and pushes or pulls the second grip (221) with his left hand (HL), the broom head is perpendicular to the user (U), and the oblique side (312) close to the user (U) is the short side, so as to fit the ground and improve the cleaning effect.

In summary, the features of this invention include: utilizing an I-shaped connection between the first rod and the cleaning portion, and a V-shaped connection between the first rod and the second rod, with the first rod and the second rod respectively held in both hands to share the weight of the labor-saving broom handle, and the ability to increase the length of the force arm exerting on the first rod by the joint position of the first rod and the second rod, thereby achieving a labor-saving cleaning effect by moving (or rotating) the cleaning portion. Furthermore, the connection between the first rod and the cleaning unit via various adjustment holes allows for adjustment of the overall length of the first rod to the cleaning unit, making it suitable for users of varying heights. Furthermore, the 180-degree rotatable connection between the first rod and the cleaning unit accommodates users with varying handedness. Therefore, this device offers excellent adaptability for customized adjustments to users of varying heights and handedness.

This invention has been disclosed using the preferred embodiments described above, but these are not intended to limit this invention. Those skilled in the art will readily understand that this invention is not limited to the details of the illustrative embodiments described above. The embodiments are intended only to illustrate this invention, not to limit it. This invention is based on the scope of the patent application, not on the description above. The scope of the patent application and its equivalents fall within the scope of this invention's patent rights.

(10): First rod

(11): First head

(111): First connecting member

(12): First tail

(121): First grip

(20): Second rod

(21): Second head

(22): Second tail

(221): Second grip

(30): Cleaning Department

(31): Clean end

(311): Bristles

(312): Hypotenuse

(32): Extension section

(40):Joint parts

(50):Connection device

(51): Spring pin

(114): Adjustment hole

Claims (8)

A labor-saving broom handle comprises: a first rod (10) having a first head (11) and a first tail (12), the first tail (12) being provided with a first gripping member (121), and the first head (11) being provided with a first connecting member (111); a second rod (20) having a second head (21) and a second tail (22), the second tail (22) being provided with a second gripping member (221), and the second head (21) being provided with a second connecting member (211), the first connecting member (111) and the second connecting member (211) being connected to each other so that the first rod (10) and the second rod (20) can be arranged at a variable angle to form a V-shaped angle or to be arranged side by side; and A cleaning portion (30) has a cleaning end (31) and a connecting section (32), wherein the connecting section (32) is connected to the first head portion (11), the cleaning end (31) is a broom head, and the outer edge of the bristles (311) of the broom head forms a bevel (312), and the first head portion (11) and the connecting section (32) form a first connection state or a second connection state. In the first connection state, when the left hand (HL) of the user (U) holds the first grip ( 121), when the right hand (HR) holds the second grip (221), the broom head is perpendicular to the user (U), and the bevel (312) is close to the user (U) as a short side. In the second connection state, when the user (U) holds the first grip (121) with the right hand (HR) and the second grip (221) with the left hand (HL), the broom head is perpendicular to the user (U), and the bevel (312) is close to the user (U) as a short side. A labor-saving broom as described in claim 1, wherein, when the first rod (10) and the second rod (20) are arranged side by side, a coupling member (40) is provided at the first rod (10) facing the second rod (20) and/or the second rod (20) facing the first rod (10), and the coupling member (40) can detachably couple the first tail (12) of the first rod (10) and the second tail (22) of the second rod (20). A labor-saving broom as described in claim 2, wherein the coupling member (40) couples or separates the first tail portion (12) and the second tail portion (22) by a snap, magnetic or Velcro attachment structure. The labor-saving broom as described in claim 1, wherein the first head (11) and the connecting section (32) are both hollow tubes, and the connecting section (32) and the first head (11) are detachably connected through a connecting device (50). The labor-saving broom as described in claim 4, wherein the connecting device (50) is a spring pin (51), a plurality of adjustment holes (114) are axially spaced along the central axis of the first head (11), a socket (321) is provided on the pipe diameter of the connecting section (32), and the connecting section (32) can penetrate into the inner diameter of the first head (11), so that the socket (321) is aligned with any adjustment hole (114) and the spring pin (51) is inserted to clamp the socket (52) and the adjustment hole (114), thereby connecting the first head (11) and the connecting section (32). The labor-saving broom as described in claim 4, wherein the connecting device (50) is an elastic protrusion (52), and a plurality of adjustment holes (114) are axially spaced along the central axis of the first head portion (11). The elastic protrusion (52) is provided on a caliber surface of the connecting section (32). The elastic protrusion (52) can be pressed and elastically immersed in the caliber surface, so that the connecting section (32) can penetrate the inner diameter of the first head portion (11) and relatively move to adjust the overall length. After the elastic protrusion (52) is aligned with any adjustment hole (114), it rebounds and clamps the adjustment hole (114), thereby fixing the first head portion (11) and the connecting section (32). The labor-saving broom as described in claim 1, wherein the second connecting member (211) is a hook-shaped joint (213), and the first connecting member (111) is a pin (113) arranged between a pair of lugs (112), and the hook-shaped joint (213) can be quickly snapped onto the pin (113) or quickly detached from the pin (113). The labor-saving broom as described in claim 1, wherein the second connecting member (211) has a protrusion (212), and when the first connecting member (111) and the second connecting member (211) are connected to each other and the first rod (10) and the second rod (20) are opened to each other to an angle θ, the protrusion (212) stops at the diameter surface of the first head (11) to form an angle limit.