CN109220159B

CN109220159B - Foldable push handle

Info

Publication number: CN109220159B
Application number: CN201811315890.XA
Authority: CN
Inventors: 倪祖根
Original assignee: Suzhou Kingclean Precision Machinery Co Ltd
Current assignee: Suzhou Kingclean Precision Machinery Co Ltd
Priority date: 2018-11-07
Filing date: 2018-11-07
Publication date: 2024-01-30
Anticipated expiration: 2038-11-07
Also published as: CN109220159A

Abstract

The invention discloses a foldable pushing handle, which comprises: a push rod is downwards pushed; an upper push rod arranged at the top of the lower push rod; and a cross rod arranged between the upper push rod and the lower push rod, wherein the cross rod extends along the horizontal direction, the upper push rod and the lower push rod are hinged with the cross rod, and the bottom of the upper push rod is selectively clamped with the top of the lower push rod when the upper push rod rotates around the cross rod in a reciprocating manner relative to the lower push rod. According to the invention, the upper push rod and the lower push rod are connected through the cross rod, and meanwhile, the upper push rod and the lower push rod can rotate around the cross rod in a vertical plane, so that the upper push rod and the lower push rod are connected and unlocked in the process of rotating around the cross rod, the unfolding and folding functions of the upper push rod and the lower push rod are conveniently realized, and the user experience is improved.

Description

Foldable push handle

Technical Field

The invention relates to the field of machinery, in particular to a foldable pushing hand.

Background

The connection of the upper push rod and the lower push rod on the existing hand-push mower or hand-push dust collector is relatively independent, the connection assembly and the posture adjustment of the upper push rod and the lower push rod can be realized through at least two actions, the use is complicated, the unfolding and the storage are inconvenient, the appearance is abrupt and unnatural, and in view of the problem, a locking and unlocking structure is needed to be developed in fact, so that the problem is solved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a foldable push handle, wherein the upper push rod and the lower push rod are connected through a cross rod, and meanwhile, the upper push rod and the lower push rod can rotate around the cross rod in a vertical plane, so that the upper push rod and the lower push rod are connected and unlocked in the process of rotating around the cross rod, the unfolding and folding functions of the upper push rod and the lower push rod are conveniently realized, and the user experience is improved.

To achieve the above objects and other advantages and in accordance with the purpose of the invention, there is provided a foldable push handle comprising:

a push rod is downwards pushed;

an upper push rod arranged at the top of the lower push rod; and

a cross bar arranged between the upper push rod and the lower push rod,

the transverse rod extends along the horizontal direction, the upper push rod and the lower push rod are hinged with the transverse rod, and the bottom of the upper push rod is selectively clamped with the top of the lower push rod when the upper push rod rotates around the transverse rod in a reciprocating mode relative to the lower push rod.

Preferably, the push down rod comprises a left transmission arm and a right transmission arm which are arranged in parallel and at intervals, and the cross rod is erected between the top of the left transmission arm and the top of the right transmission arm.

Preferably, the bottom of the upper push rod is formed with a left connecting end and a right connecting end corresponding to the left transmission arm and the right transmission arm respectively.

Preferably, the left transmission arm and/or the right transmission arm are/is provided with a lower connector, the left connection end and/or the right connection end are/is provided with an upper connector, the upper connector corresponds to the lower connector, and the upper push rod enables the upper connector to be selectively clamped with the lower connector when the upper push rod rotates around the cross rod in a reciprocating manner relative to the lower push rod.

Preferably, the left end and/or the right end of the cross rod are/is fixedly connected with a poking part for unlocking the clamping state of the upper connector and the lower connector.

Preferably, the top rigid coupling of lower connector has the joint structure, the joint structure includes:

a left vertical plate and a right vertical plate which are oppositely arranged; and

a pin fixedly connected between the left vertical plate and the right vertical plate,

the left vertical plate and the right vertical plate are parallel and are arranged at intervals to form a clamping space between the left vertical plate and the right vertical plate.

Preferably, the bottom of the upper connector is provided with a clamping groove, the clamping groove is rotationally connected with a clamping body, and the clamping body is selectively clamped with the pin.

Preferably, the clamping body comprises a rotating end, an unlocking end and a clamping hook end, wherein the rotating end, the unlocking end and the clamping hook end are converged at one point, the three points extend outwards radially from the converging point, the tail end of the rotating end is rotationally connected with the clamping groove, the poking part continuously abuts against one side of the unlocking end, and the clamping body rotates in a cycle and in a reciprocating mode around the tail end of the rotating end in a vertical plane under poking of the poking part, so that the clamping hook end is selectively clamped with the pin.

Preferably, the inside poking rod that one end extends to inside the horizontal pole, the other end extends to the horizontal pole tip that is equipped with of horizontal pole, poking rod and horizontal pole synchronous drive are connected, poking part is fixed to cup joint in poking rod's outer tip, and the end of trip end is formed with the trip of trip form, trip and pin selective joint.

Preferably, the trip forms on the trip end and the opposite one side of pin, stir the end and contradict on the unblock end with trip end one side adjacent, on the unblock end with stir the opposite side of end elastic support have first supporting spring, stir the portion under be equipped with it the spacing portion that keeps on contact, stir the periphery profile of portion and be circular, spacing portion and stir the opposite side of portion be formed with stir the contact curved surface that the periphery profile of portion suited, support under the spacing portion has second supporting spring.

Compared with the prior art, the invention has the beneficial effects that:

the upper push rod and the lower push rod can be rapidly unfolded and folded only through one action;

the upper push rod and the lower push rod are connected naturally, the appearance is attractive, the structure is reliable, and the high-strength multi-frequency unfolding/folding use can be satisfied;

the whole machine is convenient to store and store after being folded.

Drawings

FIG. 1 is an isometric view of a foldable push handle according to the present invention;

FIG. 2 is a front view of a foldable push handle according to the present invention;

FIG. 3 is a front view of a foldable push handle according to the present invention in a folded state;

FIG. 4 is an enlarged view of a portion of a foldable push handle according to the present invention;

FIG. 5 is an elevational view of the internal structure of a foldable push handle according to the present invention;

fig. 6 is an isometric view of the internal structure of a foldable push handle according to the present invention.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a device for practicing the invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

Referring to fig. 1 to 3, a foldable push handle 1 includes:

a push rod 11 is pushed down;

an upper push rod 12 provided on the top of the lower push rod 11; and

a cross bar 13 arranged between the upper push rod 12 and the lower push rod 11,

wherein, the cross bar 13 extends along the horizontal direction, the upper push rod 11 and the lower push rod 12 are hinged with the cross bar (13), and when the upper push rod 11 rotates around the cross bar 13 in a reciprocating way relative to the lower push rod 12, the bottom of the upper push rod 12 is selectively clamped with the top of the lower push rod 11. Referring to fig. 1 and 2, when the upper push rod 11 and the lower push rod 12 are clamped, the upper push rod 11 and the lower push rod 12 are connected in a linear manner as shown in fig. 2, and when the upper push rod 11 and the lower push rod 12 are not clamped any more, the upper push rod 11 can be folded 180 ° to a position 12' in fig. 1 in a clockwise direction, so that the upper push rod 11 and the lower push rod 12 can be folded back to back, and the storage is convenient.

Referring to fig. 4, the push down lever 11 includes a left transmission arm 111 and a right transmission arm 112 arranged in parallel and at intervals, and the cross bar 13 is erected between the top of the left transmission arm 111 and the top of the right transmission arm 112.

Further, the bottom of the push-up rod 12 is formed with a left connecting end 1211 and a right connecting end 1212 corresponding to the left and right driving arms 111 and 112, respectively.

Further, the left driving arm 111 and/or the right driving arm 112 are/is provided with a lower connector 113, the left connecting end 1211 and/or the right connecting end 1212 are/is provided with an upper connector 122, the upper connector 122 corresponds to the lower connector 113, and the upper push rod 11 selectively clamps the upper connector 122 and the lower connector 113 when performing a reciprocating rotation motion relative to the lower push rod 12 around the cross rod 13.

Referring to fig. 5 and 6, a toggle portion 132 for unlocking the clamped state of the upper connector 122 and the lower connector 113 is fixedly connected to the left end and/or the right end of the cross bar 13.

Further, a clamping structure is fixedly connected to the top of the lower connector 113, and the clamping structure includes:

a left standing plate 1132 and a right standing plate 1131 disposed opposite to each other; and

a pin 1133 fixedly connected between the left vertical plate 1132 and the right vertical plate 1131,

the left standing plate 1132 and the right standing plate 1131 are parallel and spaced apart to form a clamping space therebetween.

Referring to fig. 4, a clamping groove 1221 is formed at the bottom of the upper connector 122, and a clamping body 123 is rotatably connected to the clamping groove 1221, where the clamping body 123 is selectively clamped with a pin 1133. Specifically, when the upper push rod 11 and the lower push rod 12 rotate to form a straight line, the pin 1133 is inserted into the clamping groove 1221 under the driving of the lower connector 113 and is further clamped with the clamping body 123, after the clamping state of the clamping body 123 and the pin 1133 is unlocked by the stirring part 132, the pin 1133 can be pulled out of the clamping groove 1221 by rotating the upper push rod 12 clockwise, so that the separation of the upper push rod 12 and the lower push rod 11 is realized, and the folding function of the upper push rod 12 and the lower push rod 11 is realized.

Further, the locking body 123 includes a rotating end 1231, an unlocking end 1232, and a hook end 1233, where the rotating end 1231, the unlocking end 1232, and the hook end 1233 are assembled at a point, and the three extend radially outwards from the assembly point, the end of the rotating end 1231 is rotationally connected with the locking groove 1221, the poking part 132 continuously abuts against one side of the unlocking end 1232, and the locking body 123 rotates reciprocally in a vertical plane around the end of the rotating end 1231 under the poking of the poking part 132, so that the hook end 1233 is selectively locked with the pin 1133.

Referring to fig. 6, a toggle rod 131 with one end extending into the cross rod 13 and the other end extending to the end of the cross rod 13 is arranged in the cross rod 13, the toggle rod 131 is connected with the cross rod 13 in a synchronous transmission manner, the toggle part 132 is fixedly sleeved on the outer end of the toggle rod 131, a hook 1233 'with a reverse hook shape is formed at the tail end of the hook end 1233, and the hook 1233' is selectively clamped with a pin 1133.

Further, the hook 1233' is formed on the opposite side of the hook end 1233 to the pin 1133, the poking end 1321 abuts against the side of the unlocking end 1232 adjacent to the hook end 1233, the first supporting spring 1234 is elastically supported on the opposite side of the unlocking end 1232 to the poking end 1321, the limiting portion 1332 continuously contacting with the poking end 132 is disposed under the poking portion 132, the outer circumferential profile of the poking portion 132 is circular, the contact curved surface 1332 adapting to the outer circumferential profile of the poking portion 132 is formed on the opposite side of the limiting portion 133 to the poking portion 132, and the second supporting spring 1331 is supported under the limiting portion 133. The limiting part 133 is in continuous contact with the outer contour of the stirring part 132 through the contact curved surface 1332 to promote the stability of the stirring part 132 in the stirring process, so that the stability of the stirring part 132 in the unlocking process is improved, and the whole structure is prevented from jumping and being blocked in the running process.

The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.

Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. A foldable push handle (1), characterized by comprising: a push rod (11) is pushed down; an upper push rod (12) arranged at the top of the lower push rod (11); the cross rod (13) is arranged between the upper push rod (12) and the lower push rod (11), the cross rod (13) extends along the horizontal direction, the upper push rod (12) and the lower push rod (11) are hinged with the cross rod (13), and when the upper push rod (12) rotates around the cross rod (13) in a reciprocating mode relative to the lower push rod (11), the bottom of the upper push rod (12) is selectively clamped with the top of the lower push rod (11); the lower push rod (11) comprises a left transmission arm (111) and a right transmission arm (112) which are arranged in parallel at intervals, and the cross rod (13) is erected between the top of the left transmission arm (111) and the top of the right transmission arm (112); the bottom of the upper push rod (12) is provided with a left connecting end (1211) and a right connecting end (1212) which respectively correspond to the left transmission arm (111) and the right transmission arm (112); the left transmission arm (111) and/or the right transmission arm (112) are/is provided with a lower connector (113), the left connection end (1211) and/or the right connection end (1212) are/is provided with an upper connector (122), the upper connector (122) corresponds to the lower connector (113), when the upper push rod (12) rotates around the cross rod (13) in a reciprocating manner relative to the lower push rod (11), the upper connector (122) is/are selectively clamped with the lower connector (113), and when the upper connector (122) and the lower connector (113) are not in a clamping state, the upper connector (122) and the lower connector (113) keep mutually separated but are respectively connected with the cross rod (13).

2. The foldable push handle (1) according to claim 1, wherein the left end and/or the right end of the cross rod (13) are/is fixedly connected with a poking part (132) for unlocking the clamping state of the upper connector (122) and the lower connector (113).

3. The foldable push handle (1) of claim 2, wherein a clamping structure is fixedly connected to the top of the lower connector (113), the clamping structure comprising: a left vertical plate (1132) and a right vertical plate (1131) which are oppositely arranged; and a pin (1133) fixedly connected between the left vertical plate (1132) and the right vertical plate (1131), wherein the left vertical plate (1132) and the right vertical plate (1131) are parallel and are arranged at intervals to form a clamping space between the left vertical plate and the right vertical plate.

4. A foldable push handle (1) as claimed in claim 3, wherein the bottom of the upper connector (122) is provided with a clamping groove (1221), the clamping groove (1221) is rotatably connected with a clamping body (123), and the clamping body (123) is selectively clamped with the pin (1133).

5. The foldable push handle (1) of claim 4, wherein the clamping body (123) comprises a rotating end (1231), an unlocking end (1232) and a clamping hook end (1233), the rotating end (1231), the unlocking end (1232) and the clamping hook end (1233) are assembled at one point and extend radially outwards from the assembly point, the tail end of the rotating end (1231) is rotationally connected with the clamping groove (1221), the poking part (132) continuously abuts against one side of the unlocking end (1232), and the clamping body (123) rotates periodically and reciprocally around the tail end of the rotating end (1231) in a vertical plane under poking of the poking part (132), so that the clamping hook end (1233) is selectively clamped with the pin (1133).

6. The foldable push handle (1) of claim 5, wherein a toggle rod (131) with one end extending into the cross rod (13) and the other end extending to the end of the cross rod (13) is arranged in the cross rod (13), the toggle rod (131) is in synchronous transmission connection with the cross rod (13), the toggle part (132) is fixedly sleeved on the outer end of the toggle rod (131), a reverse hook-shaped clamp hook (1233 ') is formed at the tail end of the clamp hook end (1233), and the clamp hook (1233') is selectively clamped with the pin (1133).

7. The foldable push handle (1) of claim 6, wherein the hook (1233') is formed on a side of the hook end (1233) opposite to the pin (1133), the toggle end (1321) abuts against a side of the unlocking end (1232) adjacent to the hook end (1233), the first supporting spring (1234) is elastically supported on a side of the unlocking end (1232) opposite to the toggle end (1321), a limiting part (133) continuously contacting with the toggle part (132) is provided under the toggle part (132), an outer circumferential profile of the toggle part (132) is circular, a contact curved surface (1332) corresponding to the outer circumferential profile of the toggle part (132) is formed on a side of the limiting part (133) opposite to the toggle part (132), and the second supporting spring (1331) is supported under the limiting part (133).