CN212079165U

CN212079165U - Folding hand rocker

Info

Publication number: CN212079165U
Application number: CN202020498036.8U
Authority: CN
Inventors: 丁武
Original assignee: Nanjing Sufule Sunshade Technology Co ltd
Current assignee: Nanjing Sufule Sunshade Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-04
Anticipated expiration: 2030-04-08

Abstract

The utility model belongs to the technical field of rotary driving mechanism, a folding hand rocker is disclosed, include: the connecting structure comprises a first connecting rod, a second connecting rod and a connecting rod, wherein one end of the first connecting rod is provided with a first connecting block, and the first connecting block is provided with a first connecting surface and a second connecting surface; one end of the bent rod is rotatably connected to the first connecting block, one end of the bent rod can be abutted against the first connecting surface to enable the bent rod and the first connecting rod to be collinear, and one end of the bent rod can be abutted against the second connecting surface to enable the included angle range of the bent rod and the first connecting rod to be 100-120 degrees; and the second connecting rod is rotatably connected to the other end of the bent rod and can be folded relative to the bent rod. Through the structure, the folding hand-operated rod can avoid the interference of the hand and the folding hand-operated rod when in use, and is favorable for protecting the wrist of an operator.

Description

Folding hand rocker

Technical Field

The utility model relates to a rotary driving mechanism technical field especially relates to a folding hand rocker.

Background

In the field of vehicles or curtains and the like, a folding hand rocker is a common rotary driving mechanism, a hook head is arranged at the front end of the hand rocker, and a foldable handle is arranged at the bottom of the hand rocker. When in use, the handle at the bottom can be folded into an upper handle and a lower handle which mutually form an angle of 90 degrees, and the upper handle and the lower handle are respectively held by two hands to alternately rotate so as to transmit the rotating power to a designated part by using the hook head. The folding hand-operated lever is widely used in narrow spaces such as carriages and the like or in scenes such as rolling curtains and the like which need to transmit rotary power for a long distance.

However, since the upper handle and the lower handle are arranged at 90 degrees, when the rocking bar is rotated by two hands alternately, the wrist holding the upper handle feels uncomfortable, the hand interferes with the bent rod of the folding hand-operated rod, and the sharp corner at the bent rod is easy to scratch the wrist, so that harm is brought to operators.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding hand rocker, this folding hand rocker can avoid the interference of hand and this folding hand rocker when using, is favorable to protecting operating personnel's wrist.

To achieve the purpose, the utility model adopts the following technical proposal:

a folding hand lever comprising:

the connecting structure comprises a first connecting rod, a second connecting rod and a connecting rod, wherein one end of the first connecting rod is provided with a first connecting block, and the first connecting block is provided with a first connecting surface and a second connecting surface;

one end of the bent rod is rotatably connected to the first connecting block, one end of the bent rod can be abutted against the first connecting surface to enable the bent rod and the first connecting rod to be collinear, and one end of the bent rod can be abutted against the second connecting surface to enable the included angle range of the bent rod and the first connecting rod to be 100-120 degrees;

and the second connecting rod is rotatably connected to the other end of the bent rod and can be folded relative to the bent rod.

Preferably, a second connecting block is arranged at one end, connected with the bent rod, of the second connecting rod, a third connecting surface and a fourth connecting surface are arranged on the second connecting block, the bent rod can abut against the third connecting surface to enable the bent rod to be collinear with the second connecting rod, and the bent rod can abut against the fourth connecting surface to enable the included angle range of the bent rod and the second connecting rod to be 100-120 degrees.

Preferably, the first connecting block and the second connecting block are both provided with limiting rings, each limiting ring is provided with a butting part, and the butting parts can be abutted with the bent rods to keep included angles between the bent rods and the first connecting rods or the second connecting rods.

Preferably, a clamping portion is arranged on the limiting ring and can be clamped with the bent rod to enable the bent rod to be collinear with the first connecting rod or the second connecting rod.

Preferably, the bent rod is of a hollow structure, a compression spring is arranged in the bent rod, one end of the compression spring abuts against the first connecting block, and the other end of the compression spring abuts against the second connecting block.

Preferably, the first connecting rod comprises a holding rod and an extension rod, one end of the holding rod is connected with the bent rod through the first connecting block, and the head end of the extension rod is adjustably connected to the other end of the holding rod to adjust the length of the first connecting rod.

Preferably, the end of the extension bar is provided with a hook head for connecting with an external component.

Preferably, the holding rod is provided with a first handle sleeve, and the first handle sleeve is rotatably sleeved on the holding rod.

Preferably, a second handle sleeve is arranged on the second connecting rod, and the second handle sleeve is rotatably sleeved on the second connecting rod.

The utility model has the advantages that:

the utility model provides a folding hand pole, this folding hand pole include first connecting rod, knee and second connecting rod, and the one end of first connecting rod is equipped with first connecting block, and the both ends of knee rotate respectively to be connected on first connecting block and second connecting rod for the knee can be relative first connecting rod folding, and the second connecting rod can be relative the knee folding, makes this folding hand pole can fold and straighten, has reduced occuping to the space. The first connecting block is provided with a first connecting surface and a second connecting surface, one end of the bent rod can be abutted against the first connecting surface in the process that the bent rod is bent relative to the first connecting surface, so that the bent rod and the first connecting rod are collinear, the folding hand-operated rod can be straightened into a straight rod, and the occupied space is reduced; one end of the bent rod can also abut against the second connecting surface to enable the included angle range of the bent rod and the first connecting rod to be 100-120 degrees, a certain distance is reserved between the bent rod and the hand held by an operator on the first connecting rod, the operator can avoid the hand and the bent rod from interfering when the hand rotates the folding hand-operated rod alternately, and the wrist is prevented from being scratched.

Drawings

Fig. 1 is a schematic structural view of a folding hand lever according to an embodiment of the present invention;

fig. 2 is a partial view of a first connection block of a folding hand lever according to an embodiment of the present invention;

fig. 3 is a partial view of a second connecting block of a foldable hand lever according to an embodiment of the present invention.

In the figure:

1. a first link; 11. a first connection block; 111. a first connection face; 112. a second connection face; 12. a holding rod; 13. lengthening a rod; 2. bending a rod; 21. a second connecting block; 211. a third connection surface; 212. a fourth connection face; 3. a second link; 4. a limiting ring; 41. an abutting portion; 42. a clamping part; 5. a hook head.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution provided by the embodiments of the present invention is further explained below.

This embodiment provides a folding hand rocker, as shown in fig. 1, this folding hand rocker includes first connecting rod 1, knee 2 and second connecting rod 3, and the both ends of knee 2 rotate respectively and connect in first connecting rod 1 and second connecting rod 3, and knee 2 can be folded relatively first connecting rod 1, and second connecting rod 3 can be folded relatively knee 2 for this folding hand rocker can be folded and straighten, reduces the occupation space of this folding hand rocker at the inoperative time.

As shown in fig. 2, in particular, one end of the first link 1 is provided with a first connecting block 11, and one end of the bent rod 2 is rotatably connected to the first connecting block 11. Preferably, the first connecting block 11 is provided with a first connecting surface 111 and a second connecting surface 112, the first connecting surface 111 is set to be perpendicular to the axis of the first connecting rod 1, so that the bent rod 2 is collinear with the first connecting rod 1 when one end of the bent rod 2 abuts against the first connecting surface 111, which is beneficial to straightening the folding hand-operated rod; the second connecting surface 112 is arranged to form an included angle of 60-80 degrees with the first connecting surface 111, so that the included angle between the bent rod 2 and the first connecting rod 1 is 100-120 degrees when one end of the bent rod 2 abuts against the second connecting surface 112. More preferably, the second connecting surface 112 is disposed at an angle of 70 ° with respect to the first connecting surface 111, so that the angle between the curved bar 2 and the first link 1 is 110 ° when one end of the curved bar 2 abuts against the second connecting surface 112. It can be understood that the included angle between the second connecting surface 112 and the first connecting surface 111 can be set according to practical situations, so that the included angle between the curved rod 2 and the first link 1 when the curved rod 2 abuts on the second connecting surface 112 can be set according to practical situations. In this embodiment, two second connection surfaces 112 are provided, and the two second connection surfaces 112 are respectively disposed at two sides of the first connection surface 111 oppositely, so that the bending rod 2 can be selectively rotated to two sides of the first connection surface 111 to be folded when being folded.

As shown in fig. 3, in the present embodiment, one end of the second link 3 connected to the bending rod 2 is provided with a second connecting block 21, and the other end of the bending rod 2 is rotatably connected to the second connecting block 21. Preferably, the second connecting block 21 is provided with a third connecting surface 211 and a fourth connecting surface 212, and the third connecting surface 211 is perpendicular to the axis of the second connecting rod 3, so that the bent rod 2 and the second connecting rod 3 are collinear when the bent rod 2 abuts against the third connecting surface 211, which is beneficial to straightening the folding hand-operated rod; the fourth connecting surface 212 is arranged to form an included angle of 60 degrees to 80 degrees with the third connecting surface 211, so that the included angle between the bent rod 2 and the second connecting rod 3 ranges from 100 degrees to 120 degrees when the bent rod 2 abuts against the fourth connecting surface 212. More preferably, the fourth connecting surface 212 is disposed at an angle of 70 ° with respect to the third connecting surface 211, so that the angle between the curved rod 2 and the second connecting rod 3 is 110 ° when the curved rod 2 abuts on the fourth connecting surface 212. It can be understood that an included angle between the fourth connecting surface 212 and the third connecting surface 211 can be set according to actual conditions, so that an included angle between the curved rod 2 and the second link 3 when the curved rod 2 abuts on the fourth connecting surface 212 can be set according to actual conditions. In this embodiment, two fourth connection surfaces 212 are disposed, and two fourth connection surfaces 212 are disposed at two sides of the third connection surface 211 respectively, so that the bending rod 2 can selectively rotate towards two sides of the third connection surface 211 to be folded when being folded.

Preferably, the first connecting block 11 is provided with a limit ring 4, the limit ring 4 is provided with an abutting portion 41, and the bent rod 2 can abut against the abutting portion 41 and maintain an included angle between the bent rod 2 and the first connecting rod 1. More preferably, the second connecting block 21 is provided with a limit ring 4, and the bent rod 2 can abut against the abutting portion 41 of the limit ring 4 to maintain the included angle between the bent rod 2 and the second connecting rod 3. In this embodiment, be equipped with joint portion 42 on the spacing ring 4, joint portion 42 can make curved bar 2 and first connecting rod 1 or the collineation of second connecting rod 3 with 2 joints of curved bar, is favorable to guaranteeing to stretch after this folding rocker is folding.

In this embodiment, the curved bar 2 is set to be hollow structure, and the curved bar 2 is provided with a compression spring inside, and the one end of the compression spring is connected to the first connecting block 11, and the other end of the compression spring is connected to the second connecting block 21, so that the curved bar 2 can always keep connected to the first connecting block 11 and the second connecting block 21 when the curved bar 2 rotates relative to the first connecting block 11 and the second connecting block 21.

Preferably, first connecting rod 1 is including holding rod 12 and extension bar 13, and the one end of holding rod 12 is passed through first connecting block 11 and is rotated with curved bar 2 and be connected, and extension bar 13's head end is connected in the other end of holding rod 12 adjustably, and extension bar 13 can be located holding rod 12 by the cover, through extension bar 13 with hold the regulation of holding rod 12 hookup location realize that first connecting rod 1 is flexible in length direction, is favorable to improving this folding rocking beam's application scope. More preferably, the end of the extension bar 13 is provided with a hook head 5, and the hook head 5 is convenient to connect with external designated parts, so that the folding hand lever is convenient to use. In this embodiment, be provided with first handle cover on holding pole 12, first handle cover rotates the cover and locates on holding pole 12, and operating personnel can hold in first handle cover for operating personnel is convenient when rotatory this folding hand cranking bar. Preferably, the second connecting rod 3 is provided with a second handle sleeve, the second handle sleeve is rotatably sleeved on the second connecting rod 3, and an operator can hold the second handle sleeve, so that the operator can rotate the foldable hand-operated lever conveniently.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A folding hand lever comprising:

the connecting structure comprises a first connecting rod (1), wherein one end of the first connecting rod (1) is provided with a first connecting block (11), and the first connecting block (11) is provided with a first connecting surface (111) and a second connecting surface (112);

one end of the bent rod (2) is rotatably connected to the first connecting block (11), one end of the bent rod (2) can be abutted to the first connecting surface (111) to enable the bent rod (2) and the first connecting rod (1) to be collinear, and one end of the bent rod (2) can be abutted to the second connecting surface (112) to enable the included angle range of the bent rod (2) and the first connecting rod (1) to be 100-120 degrees;

the second connecting rod (3), second connecting rod (3) rotate connect in the other end of knee lever (2), second connecting rod (3) can be relative knee lever (2) are folding.

2. The folding hand lever according to claim 1, wherein a second connecting block (21) is arranged at one end of the second connecting rod (3) connected with the bent lever (2), a third connecting surface (211) and a fourth connecting surface (212) are arranged on the second connecting block (21), the bent lever (2) can be abutted against the third connecting surface (211) to enable the bent lever (2) to be collinear with the second connecting rod (3), and the bent lever (2) can be abutted against the fourth connecting surface (212) to enable the bent lever (2) to be in an included angle range of 100-120 degrees with the second connecting rod (3).

3. The folding hand lever according to claim 2, wherein the first connecting block (11) and the second connecting block (21) are both provided with a limiting ring (4), the limiting ring (4) is provided with a butting part (41), and the butting part (41) can be butted with the bent lever (2) to keep an included angle between the bent lever (2) and the first connecting rod (1) or the second connecting rod (3).

4. The folding hand lever according to claim 3, wherein a clamping portion (42) is arranged on the limiting ring (4), and the clamping portion (42) can be clamped with the bent lever (2) to enable the bent lever (2) to be collinear with the first connecting rod (1) or the second connecting rod (3).

5. The folding hand-operated lever according to claim 2, characterized in that the bent lever (2) is provided with a hollow structure, a compression spring is arranged in the bent lever (2), one end of the compression spring is abutted to the first connecting block (11), and the other end of the compression spring is abutted to the second connecting block (21).

6. The folding hand lever according to claim 1, wherein the first connecting rod (1) comprises a holding rod (12) and an extension rod (13), one end of the holding rod (12) being connected to the bent rod (2) via the first connecting piece (11), the head end of the extension rod (13) being adjustably connected to the other end of the holding rod (12) for adjusting the length of the first connecting rod (1).

7. Folding hand lever according to claim 6, characterized in that the end of the extension rod (13) is provided with a hook (5) for connection with external parts.

8. The folding hand lever according to claim 6, wherein a first handle sleeve is arranged on the holding lever (12), and the first handle sleeve is rotatably sleeved on the holding lever (12).

9. The folding hand lever according to claim 1, wherein a second handle sleeve is arranged on the second connecting rod (3), and the second handle sleeve is rotatably sleeved on the second connecting rod (3).