CN212276291U

CN212276291U - Telescopic adjustable folding hand wheel

Info

Publication number: CN212276291U
Application number: CN202021770661.XU
Authority: CN
Inventors: 杨建辉
Original assignee: Jiangxi Shuangxing Metal Products Co ltd
Current assignee: Jiangxi Shuangxing Metal Products Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-01-01
Anticipated expiration: 2030-08-21

Abstract

The utility model provides a hand wheel is folded in scalable regulation relates to machine parts technical field, has solved the technical problem of the handle occupation space on the hand wheel that exists among the prior art. The device includes telescopic handle, folding handle and hand wheel main part, wherein, telescopic handle with folding handle all installs in the hand wheel main part is last, telescopic handle can be followed the radial direction of hand wheel main part removes just telescopic handle can be outstanding the outer lane of hand wheel main part, folding handle can rotate in the hand wheel main part. The utility model is used for as a rotary switch.

Description

Telescopic adjustable folding hand wheel

Technical Field

The utility model belongs to the technical field of the machine part technique and specifically relates to a hand wheel is folded in scalable regulation.

Background

The handwheel is used in various occasions such as industrial and agricultural production, electric power, traffic, military, science and technology and the like, and the handwheel with a handle and the handwheel without a handle are generally circulated in the market at present. The hand wheel with the handle is convenient to use, and a person can directly act on the handle to drive the hand wheel body to rotate, so that the function of opening and closing the hand wheel is realized, but the handle of the hand wheel with the handle occupies a larger space and can touch the handle which is connected outwards at ordinary times, so that the hand wheel body is displaced, and the work is influenced; the handwheel without the handle is inconvenient to use, and the opening and closing functions of the handwheel are realized by rotating the excircle of the handwheel by hands during work, so that the handwheel is easy to apply no force, and the handwheel with the handle is difficult to rotate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scalable folding hand wheel of regulation to solve the technical problem of the handle occupation space on the hand wheel that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of scalable folding hand wheel of adjusting, including telescopic handle, folding handle and hand wheel main part, wherein, telescopic handle with folding handle is all installed in the hand wheel main part, telescopic handle can be followed the radial direction of hand wheel main part removes just telescopic handle can be outstanding the outer lane of hand wheel main part, folding handle can rotate in the hand wheel main part.

Optionally, the hand wheel body comprises a hand wheel outer circle, a hand wheel inner circle, an expansion piece and a hub, the expansion piece is arranged along the radial direction of the hand wheel body, two ends of the expansion piece are respectively connected with the hand wheel outer circle and the hand wheel inner circle, the expansion handle penetrates through the hand wheel outer circle and is inserted into the expansion piece, and the expansion handle can move along the length direction of the expansion piece;

the both ends of wheel hub respectively with the hand wheel excircle with circle is connected in the hand wheel, folding handle with wheel hub rotates through rotating to be connected just folding handle is located one side of wheel hub.

Optionally, the extensible member includes spring, sleeve pipe and erection column, sheathed tube both ends respectively with the hand wheel excircle with circle is connected in the hand wheel, the erection column is located in the sleeve pipe and pass the sleeve pipe with circle is connected in the hand wheel, telescopic handle inserts telescopic handle just telescopic handle can be followed telescopic length direction removes, the spring is located telescopic handle with between the erection column, the both ends of spring respectively with telescopic handle's top with the sheathed tube bottom surface contacts.

Optionally, a limit groove of an L-shaped structure is formed in the side face of the sleeve, a limit rod is arranged on the side face of the telescopic handle, and the limit rod penetrates through the limit groove and can move along the direction of the limit groove.

Optionally, be provided with the through-hole on the hand wheel excircle, the sleeve pipe inserts the through-hole just sheathed tube lateral surface with the through-hole is connected, sheathed tube terminal surface with the lateral surface of hand wheel excircle flushes mutually or sheathed tube terminal surface is close to the lateral surface of hand wheel excircle.

Optionally, the inside of the telescopic handle is a hollow structure.

Optionally, the number of the telescopic pieces is at least one, and all the telescopic pieces are distributed along the circumferential direction of the inner circle of the hand wheel.

Optionally, the rotating part comprises a threaded part, a limiting part and a connecting plate, the threaded part is fixedly connected with the connecting plate through the limiting part, the threaded part is in threaded connection with the hub, and the connecting plate is rotatably connected with the folding handle through a rotating shaft.

Optionally, the end of the folding handle is provided with an insertion groove, through holes are formed in two sides of the insertion groove, a connecting hole is formed in the connecting plate, the connecting plate is inserted into the insertion groove, the through holes correspond to the connecting holes, the rotating shaft penetrates through the through holes and the connecting holes, and the rotating shaft is rotatably connected with the connecting holes or rotatably connected with the through holes.

Optionally, two hook-shaped pieces are arranged in the inner circle of the hand wheel.

The utility model provides a pair of scalable folding hand wheel of adjusting, telescopic handle can stretch out or indentation hand wheel main part along the radial direction of hand wheel main part, when rotatory scalable folding hand wheel of adjusting, when torsion is more little, the user can directly hold the hand wheel main part and rotate, perhaps, rotate foldable handle to vertical state, hold foldable handle and rotate the hand wheel main part, when torsion is bigger, telescopic handle stretches out the hand wheel main part, with this length that increases the arm of force, the user holds telescopic handle and can rotate the hand wheel main part with less power, can save strength. The retractable handle is retracted into the hand wheel body, the space occupied by the retractable handle can be reduced, the retractable handle is designed in a semi-automatic mode when extending out, and the foldable handle is rotated to the side face of the hand wheel body to reduce the space occupied by the foldable handle so as to solve the technical problem of occupied space of the handle on the hand wheel in the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view illustrating a state in which a retractable handle of a retractable adjusting folding handwheel extends and a state in which the folding handle is transverse to the retractable handle, according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a retractable handle of a retractable folding hand wheel according to an embodiment of the present invention, in a retracted state and a horizontal state;

fig. 3 is a schematic structural view illustrating a state in which a retractable handle of the retractable adjusting folding handwheel extends and the folding handle is vertical;

fig. 4 is a schematic structural view of the reverse side of the retractable adjusting folding handwheel provided by the embodiment of the invention;

fig. 5 is a schematic structural view of a side surface of a telescopic adjusting folding handwheel provided by the embodiment of the invention;

fig. 6 is an exploded view of the connection of the folding handle, the rotating member and the hub of the telescopically adjustable folding handwheel provided by the embodiment of the present invention;

fig. 7 is a schematic structural view of the connection between the telescopic handle and the telescopic member of the telescopic adjusting folding handwheel provided by the embodiment of the invention;

fig. 8 is an exploded view of the connection between the telescopic handle and the telescopic member of the telescopically adjustable folding handwheel provided in the embodiment of the present invention;

fig. 9 is a sectional view of the connection between the telescopic handle and the telescopic member of the telescopically adjustable folding handwheel provided by the embodiment of the present invention;

in figure 1, a telescopic handle; 11. a limiting rod; 2. folding the handle; 21. inserting the groove; 211. a through hole; 3. a hand wheel body; 31. the outer circle of the hand wheel; 311. a through hole; 32. the inner circle of the hand wheel; 321. hooking the molded piece; 33. a telescoping member; 331. a spring; 332. a sleeve; 3321. a limiting groove; 333. mounting a column; 34. a hub; 35. a rotating member; 351. a threaded portion; 352. a limiting part; 353. a connecting plate; 3531. and connecting the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The utility model provides a scalable folding hand wheel of adjusting, including telescopic handle 1, folding handle 2 and hand wheel main part 3, wherein, telescopic handle 1 and folding handle 2 are all installed on hand wheel main part 3, and telescopic handle 1 can be followed the radial direction removal of hand wheel main part 3 and telescopic handle 1 can outstanding hand wheel main part 3's outer lane, and folding handle 2 can rotate on hand wheel main part 3. The utility model provides a pair of scalable folding hand wheel of adjusting, telescopic handle 1 can stretch out or indentation hand wheel main part 3 along the radial direction of hand wheel main part 3, when rotatory scalable folding hand wheel of adjusting, when torsion is than small, the user can directly hold hand wheel main part 3 and rotate, perhaps, rotate folding handle 2 to vertical state, hold folding handle 2 and rotate hand wheel main part 3, when torsion is bigger than great, telescopic handle 1 stretches out hand wheel main part 3, increase the length of the arm of force with this, the user holds telescopic handle 1 and can rotate hand wheel main part 3 with less power, can save strength. In 1 indentation hand wheel main part 3 of telescopic handle, can reduce the space that telescopic handle 1 occupy, telescopic handle 1 adopts semi-automatization design when stretching out, and folding handle 2 reduces its space that occupies through rotating to the laminating in the side of hand wheel main part 3 to solve the technical problem of the handle occupation space on the hand wheel that exists among the prior art.

As an optional implementation manner, the hand wheel body 3 includes a hand wheel outer circle 31, a hand wheel inner circle 32, an expansion piece 33 and a wheel hub 34, the expansion piece 33 is arranged along the radial direction of the hand wheel body 3, two ends of the expansion piece 33 are respectively connected with the hand wheel outer circle 31 and the hand wheel inner circle 32, one end of the expansion piece 33 is connected with the outer surface of the hand wheel inner circle 32, the other end of the expansion piece 33 is inserted into the hand wheel outer circle 31 and does not protrude out of the outer surface of the hand wheel outer circle 31, the expansion handle 1 penetrates through the hand wheel outer circle 31 and is inserted into the expansion piece 33, and the expansion handle 1 can move along the length direction;

the two ends of the wheel hub 34 are respectively connected with the outer circle 31 and the inner circle 32 of the hand wheel, the folding handle 2 is rotatably connected with the wheel hub 34 through a rotating part 35, and the folding handle 2 is positioned on one side of the wheel hub 34.

As an alternative embodiment, the telescopic member 33 includes a spring 331, a sleeve 332 and a mounting post 333, two ends of the sleeve 332 are respectively connected to the outer circle 31 and the inner circle 32 of the hand wheel, the mounting post 333 is located in the sleeve 332 and connected to the inner circle 32 of the hand wheel through the sleeve 332, the other end of the mounting post 333 is a free end, so as to facilitate the sleeve of the spring 331 on the mounting post 333, and also to facilitate the compression of the spring 331 when the spring 331 is compressed, the spring 331 can be compressed along the length direction of the mounting post 333, so that the spring 331 does not shake, the telescopic handle 1 is inserted into the sleeve 332 and the telescopic handle 1 can move along the length direction of the sleeve 332, the spring 331 is located between the telescopic handle 1 and the mounting post 333, and two ends of the spring 331 are respectively contacted with the top end of the telescopic handle. In the extending process of the telescopic handle 1, the spring 331 returns to the original state from the compressed state, and in the process, the elastic force of the spring 331 automatically pushes the telescopic handle 1 to move and extend out of the outer circle 31 of the hand wheel.

As an optional embodiment, a limit groove 3321 with an L-shaped structure is disposed on a side surface of the sleeve 332, a limit rod 11 is disposed on a side surface of the telescopic handle 1, the limit rod 11 passes through the limit groove 3321 and the limit rod 11 can move along the direction of the limit groove 3321, the width of the limit groove 3321 is slightly greater than the diameter of the limit rod 11, so that the movement of the limit rod 11 is facilitated, the friction between the limit rod 11 and the limit groove 3321 is reduced, and meanwhile, in order to avoid the telescopic handle 1 rotating during moving, the limit rod 11 and the limit groove 3321 are used for limiting the extension or contraction length of the telescopic handle 1, and the extension or contraction state of the telescopic handle 1 can be maintained. When the telescopic handle 1 needs to extend out of the outer circle 31 of the hand wheel, the telescopic handle 1 can move and extend out of the outer circle 31 of the hand wheel under the action of elastic force only by shifting the limiting rod 11.

As an optional embodiment, a through hole 311 is formed in the outer circle 31 of the hand wheel, the sleeve 332 is inserted into the through hole 311, the outer side surface of the sleeve 332 is connected to the through hole 311, the end surface of the sleeve 332 is flush with the outer side surface of the outer circle 31 of the hand wheel or the end surface of the sleeve 332 is close to the outer side surface of the outer circle 31 of the hand wheel, and the sleeve 332 and the mounting post 333 do not protrude out of the outer side surface of the outer circle 31 of the hand wheel, so that the appearance.

As an alternative embodiment, the inside of the telescopic handle 1 is a hollow structure in order to be able to place the spring 331 and the mounting post 333.

As an alternative embodiment, the number of the telescopic members 33 is at least one, all the telescopic members 33 are distributed along the circumferential direction of the inner circle 32 of the hand wheel, preferably, the number of the telescopic members 33 is three, the telescopic members 33 are uniformly distributed along the circumferential direction of the inner circle 32 of the hand wheel, and the telescopic members 33 also have the function of connecting the outer circle 31 of the hand wheel and the inner circle 32 of the hand wheel.

As an alternative embodiment, the rotating member 35 includes a threaded portion 351, a limiting portion 352 and a connecting plate 353, the threaded portion 351 and the connecting plate 353 are fixedly connected through the limiting portion 352, the threaded portion 351 and the hub 34 are in threaded connection, an end surface of the limiting portion 352 can be attached to a side surface of the hub 34, and the connecting plate 353 and the folding handle 2 are rotatably connected through a rotating shaft.

As an alternative embodiment, the end of the folding handle 2 is provided with an insertion slot 21, both sides of the insertion slot 21 are provided with through holes 211, a connection hole 3531 is provided on the connection plate 353, the connection plate 353 is inserted into the insertion slot 21 and the through hole 211 corresponds to the connection hole 3531, a rotation shaft sequentially passes through the through hole 211, the connection hole 3531 and the through hole 211, and the rotation shaft is rotatably connected with the connection hole 3531 or the rotation shaft is rotatably connected with the through hole 211.

As an alternative embodiment, two hooking parts 321 are arranged in the hand wheel inner circle 32, the hooking parts 321 can swing in the hand wheel inner circle 32, the hooked parts of the two hooking parts 321 are opposite, the hand wheel inner circle 32 is connected with the connecting shaft, and when the hand wheel inner circle 32 rotates forwards, the hooked part on one hooking part 321 can extend into an opening groove on the connecting shaft and hook the opening groove; when the inner circle 32 of the handwheel rotates reversely, the inverted hook part on the other hook piece 321 can extend into the opening groove on the connecting shaft and hook the opening groove, the two hook pieces 321 limit the rotation of the telescopic adjusting folding handwheel, and when the opening groove on the connecting shaft is far away from the hook pieces 321, the telescopic adjusting folding handwheel can be limited to rotate.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A telescopic adjustable folding hand wheel is characterized by comprising a telescopic handle (1), a folding handle (2) and a hand wheel main body (3), wherein,

telescopic handle (1) with folding handle (2) are all installed on hand wheel main part (3), telescopic handle (1) can be followed the radial direction of hand wheel main part (3) removes just telescopic handle (1) can be outstanding the outer lane of hand wheel main part (3), folding handle (2) can rotate on hand wheel main part (3).

2. The telescopic adjusting folding hand wheel according to claim 1, characterized in that the hand wheel body (3) comprises a hand wheel outer circle (31), a hand wheel inner circle (32), a telescopic piece (33) and a wheel hub (34), the telescopic piece (33) is arranged along the radial direction of the hand wheel body (3), two ends of the telescopic piece (33) are respectively connected with the hand wheel outer circle (31) and the hand wheel inner circle (32), the telescopic handle (1) penetrates through the hand wheel outer circle (31) and is inserted into the telescopic piece (33), and the telescopic handle (1) can move along the length direction of the telescopic piece (33);

the both ends of wheel hub (34) respectively with hand wheel excircle (31) with circle (32) are connected in the hand wheel, folding handle (2) with wheel hub (34) rotate through rotating piece (35) and connect just folding handle (2) are located one side of wheel hub (34).

3. The retractable folding handwheel with adjustable length according to claim 2, wherein the retractable member (33) comprises a spring (331), a sleeve (332) and a mounting post (333), two ends of the sleeve (332) are respectively connected with the outer circle (31) and the inner circle (32) of the handwheel, the mounting post (333) is located in the sleeve (332) and penetrates through the sleeve (332) and the inner circle (32) of the handwheel, the retractable handle (1) is inserted into the sleeve (332) and the retractable handle (1) can move along the length direction of the sleeve (332), the spring (331) is located between the retractable handle (1) and the mounting post (333), and two ends of the spring (331) are respectively contacted with the top end of the retractable handle (1) and the bottom surface of the sleeve (332).

4. The retractable adjusting folding handwheel according to claim 3, characterized in that the side of the sleeve (332) is provided with a limit groove (3321) of L-shaped structure, the side of the retractable handle (1) is provided with a limit rod (11), the limit rod (11) passes through the limit groove (3321) and the limit rod (11) can move along the direction of the limit groove (3321).

5. The retractable adjusting folding handwheel according to claim 3, characterized in that a through hole (311) is arranged on the outer circle (31) of the handwheel, the sleeve (332) is inserted into the through hole (311) and the outer side surface of the sleeve (332) is connected with the through hole (311), the end surface of the sleeve (332) is flush with the outer side surface of the outer circle (31) of the handwheel or the end surface of the sleeve (332) is close to the outer side surface of the outer circle (31) of the handwheel.

6. Telescopic adjustable folding handwheel according to claim 3, characterized in that the inside of the telescopic handle (1) is hollow.

7. Telescopic adjustable folding handwheel according to claim 2, characterized in that the number of said telescopic parts (33) is at least one, all said telescopic parts (33) being distributed along the circumferential direction of the inner circle (32) of the handwheel.

8. The retractable folding handwheel of claim 2, wherein the rotating member (35) comprises a threaded portion (351), a limiting portion (352) and a connecting plate (353), the threaded portion (351) and the connecting plate (353) are fixedly connected through the limiting portion (352), the threaded portion (351) is in threaded connection with the hub (34), and the connecting plate (353) is in rotational connection with the folding handle (2) through a rotating shaft.

9. The retractable folding handwheel for adjusting according to claim 8, characterized in that an insertion slot (21) is provided at the end of the folding handle (2), through holes (211) are provided at both sides of the insertion slot (21), a connection hole (3531) is provided on the connection plate (353), the connection plate (353) is inserted into the insertion slot (21) and the through hole (211) corresponds to the connection hole (3531), the rotation shaft passes through the through hole (211) and the connection hole (3531), the rotation shaft is rotatably connected with the connection hole (3531) or the rotation shaft is rotatably connected with the through hole (211).

10. Telescopic adjustable folding handwheel according to claim 2, characterized in that two hook elements (321) are provided in the inner circle (32) of the handwheel.