阅读说明：本技术 可伸缩调节折叠手轮 (Telescopic adjustable folding hand wheel ) 是由 杨建辉 于 2020-08-21 设计创作，主要内容包括：本发明提供了一种可伸缩调节折叠手轮,涉及机械配件技术领域,解决了现有技术中存在的手轮上的手柄占用空间的技术问题。该装置包括伸缩手柄、折叠手柄和手轮主体,其中,所述伸缩手柄和所述折叠手柄均安装在所述手轮主体上,所述伸缩手柄能沿所述手轮主体的径向方向移动且所述伸缩手柄能突出所述手轮主体的外圈,所述折叠手柄能在所述手轮主体上转动。本发明用于作为一种转动开关。(The invention provides a telescopic adjusting folding hand wheel, relates to the technical field of mechanical accessories, and solves the technical problem that a handle on the hand wheel occupies space in 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 invention is used as a rotary switch.)

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.

Technical Field

The invention relates to the technical field of mechanical accessories, in particular to a telescopic adjusting folding hand wheel.

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.

Disclosure of Invention

The invention aims to provide a telescopic adjusting folding hand wheel, which aims to solve the technical problem that a handle on the hand wheel occupies space in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a telescopic adjustable folding hand wheel which comprises a telescopic handle, a folding handle and a hand wheel main body, wherein the telescopic handle and the folding handle are both installed on the hand wheel main body, the telescopic handle can move along the radial direction of the hand wheel main body and can protrude out of the outer ring of the hand wheel main body, and the folding handle can rotate on the hand wheel main body.

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.

According to the telescopic adjusting folding hand wheel provided by the invention, the telescopic handle can extend out of or retract into the hand wheel body along the radial direction of the hand wheel body, when the telescopic adjusting folding hand wheel is rotated, a user can directly hold the hand wheel body to rotate when the torsion is relatively small, or the folding handle is rotated to be in a vertical state, the folding handle is held to rotate the hand wheel body, when the torsion is relatively large, the telescopic handle extends out of the hand wheel body so as to increase the length of the force arm, and the user can use smaller force to rotate the hand wheel body when holding the telescopic handle, so that the strength can be saved. 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 the drawings without creative efforts.

Fig. 1 is a schematic structural view of the telescopic handle of the telescopic adjustable folding handwheel provided by the embodiment of the invention in an extending and transverse state;

fig. 2 is a schematic structural view of a telescopic handle of a telescopic adjusting folding handwheel provided by the embodiment of the invention in a retracted state and a transverse state;

fig. 3 is a schematic structural diagram of the telescopic handle of the telescopic adjusting folding handwheel provided by the embodiment of the invention in an extending state and a vertical state;

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

fig. 5 is a schematic structural diagram 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 folding handle, the rotating member and the hub connection of the telescopically adjustable folding handwheel provided by the embodiment of the invention;

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

fig. 8 is an exploded view of the connection of the telescoping handle and the telescoping piece of the telescopically adjustable folding handwheel provided in accordance with embodiments of the present invention;

fig. 9 is a sectional view of the connection of the telescopic handle and the telescopic member of the telescopically adjustable folding handwheel provided by the embodiment of the 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 more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the 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, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to 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 should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 appropriate to those of ordinary skill in the art.

The invention provides a telescopic adjustable folding hand wheel which comprises a telescopic handle 1, a folding handle 2 and a hand wheel body 3, wherein the telescopic handle 1 and the folding handle 2 are both arranged on the hand wheel body 3, the telescopic handle 1 can move along the radial direction of the hand wheel body 3, the telescopic handle 1 can protrude out of the outer ring of the hand wheel body 3, and the folding handle 2 can rotate on the hand wheel body 3. According to the telescopic adjusting folding hand wheel provided by the invention, the telescopic handle 1 can extend out of or retract into the hand wheel body 3 along the radial direction of the hand wheel body 3, when the telescopic adjusting folding hand wheel is rotated, a user can directly hold the hand wheel body 3 to rotate when the torsion is small, or the folding handle 2 is rotated to be in a vertical state, the folding handle 2 is held to rotate the hand wheel body 3, when the torsion is large, the telescopic handle 1 extends out of the hand wheel body 3 to increase the length of the force arm, and the user can use small force to rotate the hand wheel body 3 by holding the telescopic handle 1, so that the strength can be saved. 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 scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.