CN209943458U

CN209943458U - Telescopic driving device

Info

Publication number: CN209943458U
Application number: CN201920524954.0U
Authority: CN
Inventors: 陈志雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-14
Anticipated expiration: 2029-04-17

Abstract

The utility model relates to a drive arrangement's technical field discloses telescopic drive arrangement, including the gear structure that has power take off wheel and power input wheel, receive the extensible member and the moving member of temperature influence extension or shrink, the moving member is fixed with the extensible member and arranges, and the moving member is the meshing with the power input wheel of gear structure and arranges. When the telescopic piece is affected by high temperature and the temperature is higher than a set value, the telescopic piece gradually takes an extension state to drive the moving piece to move, so that power input is provided for the gear structure, and the gear structure provides driving force to the outside through the power output wheel; when the temperature is reduced to be below a set value, the telescopic piece gradually contracts to drive the moving piece to reset, and at the moment, the moving piece provides power input for the gear structure again; like this, according to the change of temperature, make moving member reciprocating motion, realize that automatic externally provides drive power, greatly improve drive arrangement's autonomy.

Description

Telescopic driving device

Technical Field

The patent of the utility model relates to a drive arrangement's technical field particularly, relates to telescopic drive arrangement.

Background

Mechanical products such as mechanical clocks, watches and clockwork spring toys are all provided with clockwork springs, and the starting and running of the mechanical products are realized through the clockwork springs.

In the application of clockwork spring, often through the manual winding, complex operation, and often need specific instrument just can realize the winding.

In the prior art, when a spring is wound, the autonomy of the existing driving device is poor, and the driving force cannot be automatically generated, so that the operation is complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic drive arrangement aims at solving prior art, and drive arrangement is from the poor problem of autonomy.

The utility model discloses a realize like this, telescopic drive arrangement, including the gear structure that has power take off wheel and power input wheel, receive the extensible member and the moving member of temperature influence extension or shrink, the moving member with the extensible member is fixed the arranging, the moving member with the power input wheel of gear structure is the meshing and arranges.

Further, the telescopic driving device comprises a shell, the shell is provided with a placing cavity, the placing cavity comprises two placing walls which are arranged side by side, and the telescopic piece is arranged between the two placing walls.

Further, the housing has a moving chamber having a moving wall including two moving walls arranged side by side, and the moving member is interposed between the two moving walls; along the length direction, the placing cavity and the moving cavity are arranged in a right-facing mode.

Furthermore, the shell is provided with a return spring, one end of the moving piece is fixedly arranged with the telescopic piece, and the other end of the moving piece is fixedly arranged with the return spring; when the telescopic piece extends, the moving piece is driven to move and extrude the return spring, and the return spring is in a compressed state.

Furthermore, the extensible member is arranged in a strip shape, and the extensible member is arranged in a spiral shape.

Furthermore, the moving part is provided with an inner end face facing the power input wheel, the inner end face of the moving part is provided with meshing teeth which are arranged in a row, and the power input wheel and the meshing teeth are arranged in a meshing manner.

Further, the telescopic piece is made of temperature memory metal.

Further, the telescopic piece is provided with a connecting part, the connecting part is provided with an inward-concave connecting groove, the connecting groove comprises a groove wall arranged in a surrounding mode, and an internal thread is formed in the groove wall; the moving member has a connecting section, the connecting section is formed with the external screw thread, the connecting section embedding connecting portion, just the connecting section with connecting portion are threaded connection.

Furthermore, the gear structure comprises a first gear set, a second gear set, a driving wheel, a forward gear set and a reverse gear set, the power input wheel is meshed with the first gear set, the power output wheel is meshed with the second gear set, and the second gear set is meshed with the driving wheel; when the telescopic piece is in an extension state, the power input wheel is driven to rotate clockwise, the first gear set rotates anticlockwise, the first gear set is meshed with the forward gear set, the forward gear set is meshed with the driving wheel, and the reverse gear set is in an idle state; when the telescopic part is in a contraction state, the power input wheel is driven to rotate anticlockwise, the first gear set rotates clockwise, the first gear set is meshed with the reverse gear set, the reverse gear set is meshed with the transmission wheel, and the forward gear set is in an idle running state.

Further, the gear structure comprises a fixed shell, the fixed shell is provided with a forward installation groove and a reverse installation groove, the forward gear set is movably installed in the forward installation groove, one end of the forward installation groove is close to the first gear set, the other end of the forward installation groove extends in the direction away from the first gear set, when the forward gear set is located at one end of the forward installation groove, the forward gear set is respectively meshed with the first gear set and the transmission wheel, and when the forward gear set is located at the other end of the forward installation groove, the forward gear set and the transmission wheel are separately arranged; the reverse gear set is movably arranged on the reverse installation groove, one end of the reverse installation groove is close to the first gear set, the other end of the reverse installation groove extends in the direction deviating from the first gear set, when the reverse gear set is positioned at one end of the reverse installation groove, the reverse gear set is respectively meshed with the first gear set and the transmission wheel, and when the reverse gear set is positioned at the other end of the reverse installation groove, the reverse gear set and the transmission wheel are in separation arrangement.

Compared with the prior art, the telescopic driving device provided by the utility model has the advantages that when the telescopic part is affected by high temperature and the temperature is higher than a set value, the telescopic part is gradually in an extension state to drive the moving part to move, so that power input is provided for the gear structure, and the gear structure provides driving force to the outside through the power output wheel; when the temperature is reduced to be below a set value, the telescopic piece gradually contracts to drive the moving piece to reset, and at the moment, the moving piece provides power input for the gear structure again; like this, according to the change of temperature, make moving member reciprocating motion, realize that automatic externally provides drive power, greatly improve drive arrangement's autonomy.

Drawings

Fig. 1 is a schematic perspective view of a telescopic driving device provided by the present invention;

fig. 2 is a schematic view of the movable member and the telescopic member connection of the telescopic driving device provided by the present invention;

FIG. 3 is a schematic sectional view of the movable member and the telescopic member of the telescopic driving device according to the present invention;

fig. 4 is a schematic perspective view of another embodiment of the telescopic driving apparatus provided by the present invention;

fig. 5 is a schematic front view of a gear structure of the telescopic driving device provided by the present invention;

fig. 6 is an exploded schematic view of a gear structure of the telescopic driving device provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-6, the preferred embodiment of the present invention is shown.

The utility model provides a telescopic drive arrangement for solve the poor problem of drive arrangement autonomy.

Telescopic drive arrangement, including gear structure 10, extensible member 20 and moving member 30, gear structure 10 has power take off wheel 12 and power input wheel 11, and extensible member 20 is influenced by the temperature and extends or contracts, and moving member 30 is fixed arrangement with extensible member 20, and moving member 30 is the meshing with gear structure 10's power input wheel 11 and arranges.

In the telescopic driving device, when the telescopic member 20 is affected by high temperature and the temperature is greater than a set value, the telescopic member 20 gradually takes an extended state to drive the moving member 30 to move, so that power input is provided for the gear structure 10, and further the gear structure 10 provides driving force for the outside through the power output wheel 12; when the temperature is reduced to be below the set value, the telescopic part 20 gradually takes a contraction state to drive the moving part 30 to reset, and at the moment, the moving part 30 provides power input for the gear structure 10 again; thus, according to the change of the temperature, the moving member 30 reciprocates, the driving force is automatically provided to the outside, and the autonomy of the driving device is greatly improved.

The telescopic driving device comprises a shell 40, wherein the shell 40 is provided with a placing cavity 41, the placing cavity 41 comprises two placing walls 42 which are arranged side by side, and the telescopic piece 20 is arranged between the two placing walls 42; in the effect of placing wall 42, play the guide effect to extensible member 20, guarantee that extensible member 20 extends or contracts along length direction, guarantee that extensible member 20 has sufficient drive power to moving member 30, in addition, reduce the loss of extensible member 20 on width direction, improve the utilization ratio of drive power.

Moreover, extensible member 20 contradicts casing 40, and external temperature conducts to extensible member 20 through casing 40, realizes the extension or the shrink of extensible member 20, and the extensible member 20 of being convenient for feels the temperature variation, improves the sensitivity, simultaneously, effectively avoids thermal loss, improves heat utilization.

The housing 40 may be made of heat conductive silicone or heat conductive metal such as aluminum, so that external heat is easily transferred to the telescopic member 20.

The extensible member 20 sets the extension and contraction values according to the requirements to meet different requirements; the embodiment of the method comprises the following steps: 30 degrees, when the receiving temperature of the telescopic part 20 is more than 30 degrees, the telescopic part 20 is gradually extended, and when the receiving temperature is less than 30 degrees, the telescopic part 20 is gradually contracted and reset.

The placing wall 42 is provided with a plurality of communicating holes 43, and the communicating holes 43 are communicated with the placing cavity 41; therefore, liquid with temperature can be directly injected into the shell 40, the expansion of the telescopic part 20 is realized, and the liquid is convenient to contact with the telescopic part 20 and heat conduction is convenient under the action of the communication hole 43.

The housing 40 has a moving chamber having a moving wall 44 including two moving walls 44 arranged side by side, the moving member 30 being interposed between the two moving walls 44; along the length direction, the placing cavity 41 is arranged opposite to the moving cavity; under the effect of removal wall 44, play spacing and guide effect to the removal of moving member 30, reduce the mobility of shaking that moving member 30 removed, simultaneously, effectively avoid moving member 30 and power input wheel 11 to break away from, guarantee that moving member 30 and power input wheel 11 are the meshing all the time and arrange, guarantee the output of power.

The shell 40 is provided with a return spring 50, one end of the moving part 30 is fixedly arranged with the telescopic part 20, and the other end of the moving part 30 is fixedly arranged with the return spring 50; when the telescopic member 20 is extended, the moving member 30 is driven to move and press the return spring 50, and the return spring 50 is in a compressed state.

Thus, when the telescopic member 20 is gradually contracted, the movable member 30 is conveniently reset under the action of the return spring 50, and the power input wheel 11 is provided with the external output power again.

Specifically, the telescopic members 20 are arranged in a strip shape, and the telescopic members 20 are arranged in a spiral shape; this arrangement has the benefit of facilitating the inspection or retraction of the telescoping member 20, improving the life and sensitivity of the telescoping member 20, and facilitating the powering of the drive means.

The moving member 30 has an inner end surface facing the power input wheel 11, the inner end surface of the moving member 30 is formed with meshing teeth 31 arranged in a row, and the power input wheel 11 and the meshing teeth 31 are arranged in a meshing manner; thus, when the moving member 30 moves, the driving force is supplied to the power input wheel 11, and the power input wheel 11 rotates.

Another embodiment of the displacement member 30: the power input wheel is abutted against and extrudes the inner end face of the moving part 30, so that when the moving part 30 moves, the power input wheel 11 is driven to rotate, the power input wheel 11 rotates to generate friction force with the moving part, and power input to the power input wheel is realized.

The moving member 30 may be provided with the engaging teeth 31, or may not be provided with the engaging teeth 31, and the power input wheel is powered by the friction force generated by the rotation of the power input wheel 11 and the moving member 30.

The telescopic part 20 is made of temperature memory metal; the expansion part 20 is expanded or contracted according to the temperature change, so that the moving part 30 is driven to move.

The telescopic piece 20 is provided with a connecting part 21, the connecting part 21 is provided with an inward-concave connecting groove 22, the connecting groove 22 comprises a groove wall 23 arranged in a surrounding mode, and the groove wall 23 is formed with an internal thread; the moving member 30 has a connecting section 32, the connecting section 32 is formed with an external thread, the connecting section 32 is embedded into the connecting portion 21, and the connecting section 32 is in threaded connection with the connecting portion 21; the advantage of this setting is that, improves the firm nature of being connected of extensible member 20 and moving member 30, guarantees that when extensible member 20 extends or contracts, exerts drive power to moving member 30.

The groove walls 23 are arranged from inside to outside in a small-inside and large-outside arrangement, and the connecting sections 32 are arranged from outside to inside in a small-outside and large-inside arrangement; thereby enhancing the connection stability of the telescopic member 20 and the moving member 30 and the matching effect.

The groove walls 23 are arranged in a trapezoid shape, and the connecting section 32 is arranged in a trapezoid shape, so that the connecting stability of the telescopic member 20 and the moving member 30 is enhanced.

The gear structure 10 comprises a first gear set 13, a second gear set 14, a transmission wheel 15, a forward gear set 17 and a reverse gear set 16, wherein a power input wheel 11 is meshed with the first gear set 13, a power output wheel 12 is meshed with the second gear set 14, and the second gear set 14 is meshed with the transmission wheel 15; when the telescopic member 20 is in an extension state, the power input wheel 11 is driven to rotate clockwise, the first gear set 13 rotates anticlockwise, the first gear set 13 is meshed with the forward gear set 17, the forward gear set 17 is meshed with the transmission wheel 15, and the reverse gear set 16 is in an idle state; when the retractable member 20 is in the retracted state, the power input wheel 11 is driven to rotate counterclockwise, so that the first gear set 13 rotates clockwise, the first gear set 13 engages with the reverse gear set 16, the reverse gear set 16 engages with the transmission wheel 15, and the forward gear set 17 is in an idle state.

In this way, the power output is realized by the cooperation of the power input wheel 11, the power output wheel 12, the first gear set 13, the second gear set 14, the transmission wheel 15, the forward gear set 17 and the reverse gear set 16.

The moving member 30 moves to transmit the driving force to the power input wheel 11, so that the power input wheel 11 rotates to drive the first gear set 13 to rotate clockwise or counterclockwise, thereby driving the forward gear set 17 or the reverse gear set 16 to rotate, thereby rotating the driving wheel 15, rotating the power output wheel 12, and thereby outputting power to the outside.

The gear structure 10 comprises a fixed shell 70, the fixed shell 70 is provided with a forward installation groove 18 and a reverse installation groove 19, the forward installation groove 18 is movably installed along a gear set 17, one end of the forward installation groove 18 is close to the first gear set 13, the other end of the forward installation groove 18 extends along the direction departing from the first gear set 13, when the forward gear set 17 is positioned at one end of the forward installation groove 18, the forward gear set 17 is respectively meshed with the first gear set 13 and the transmission wheel 15, and when the forward gear set 17 is positioned at the other end of the forward installation groove 18, the forward gear set 17 is separated from the transmission wheel 15; the reverse gear set 16 is movably provided with a reverse installation groove 19, one end of the reverse installation groove 19 is close to the first gear set 13, the other end of the reverse installation groove 19 extends in a direction away from the first gear set 13, when the reverse gear set 16 is positioned at one end of the reverse installation groove 19, the reverse gear set 16 is respectively meshed with the first gear set 13 and the driving wheel 15, and when the reverse gear set 16 is positioned at the other end of the reverse installation groove 19, the reverse gear set 16 is separated from the driving wheel 15.

Thus, under the action of the forward installation groove 18 and the backward installation groove 19, no matter the expansion piece 20 is extended or contracted, the moving piece 30 moves back and forth along with the expansion piece 20, the gear structure 10 can output power outwards, the efficiency is improved, and the power waste is effectively avoided.

The front gear set 17 comprises a first gear body and a second gear body, and the first gear body and the second gear body are arranged in a meshed mode; when the telescopic member 20 is in an extension state, the power input wheel 11 is driven to rotate clockwise, so that the first gear set 13 rotates anticlockwise, the first gear set 13 is meshed with the first gear body, and the second gear body is meshed with the transmission wheel 15; in this way, the rotation direction of the transmission wheel 15 is consistent no matter the telescopic part 20 extends or contracts, and it is ensured that the driving force is output to the outside no matter the telescopic part 20 extends or contracts.

The power output wheel 12 may be connected to the wind spring 80 to perform winding of the wind spring 80, so that power is autonomously output to the outside according to a temperature change.

Under the effect of clockwork spring 80, play the energy storage, store the drive power of power take off output, be convenient for utilize it.

Moving member 30 is the bar form and arranges, and when the extensible member 20 of being convenient for extends or contracts, provide drive power to moving member 30, simultaneously, reduce the loss of drive power, improve utilization ratio.

Another embodiment of the mover 30: the moving member 30 is arranged in an arc shape, the moving member 30 has a larger moving interval, and the reciprocating movement of the moving member 30 is more stable.

The first gear set 13 is provided with a torsion spring 60, and under the action of the torsion spring 60, when the telescopic member 20 contracts, the torsion spring 60 drives the moving member 30 to reset; facilitating the return of the displacement member 30.

The torsion spring 60 is arranged in a circular ring shape, and when the power input wheel 11 loses driving force, the torsion spring 60 resets to drive the first gear set 13 to rotate reversely, so that the power input wheel 11 is driven to rotate reversely, and the moving member 30 is convenient to reset.

The moving member 30 can be long strip-shaped and can also be arc-shaped, and according to requirements, the moving member 30 can be in different shapes, so that different requirements are met.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The telescopic driving device is characterized by comprising a gear structure with a power output wheel and a power input wheel, a telescopic piece extending or contracting under the influence of temperature and a moving piece, wherein the moving piece and the telescopic piece are fixedly arranged, and the moving piece and the power input wheel of the gear structure are arranged in a meshed manner.

2. The telescopic drive of claim 1, comprising a housing having a placement chamber, said placement chamber comprising two placement walls arranged side by side, said telescopic member being disposed between two of said placement walls.

3. The telescopic drive as claimed in claim 2, wherein said housing has a moving chamber having a moving wall comprising two moving walls arranged side by side, said moving member being interposed between two of said moving walls; along the length direction, the placing cavity and the moving cavity are arranged in a right-facing mode.

4. The telescopic drive of claim 2, wherein said housing is provided with a return spring, one end of said moving member being fixedly disposed with said telescopic member and the other end of said moving member being fixedly disposed with said return spring; when the telescopic piece extends, the moving piece is driven to move and extrude the return spring, and the return spring is in a compressed state.

5. Telescopic drive according to any one of claims 1-4, wherein the telescopic elements are arranged in a strip and the telescopic elements are arranged in a spiral.

6. The telescopic drive according to any of claims 1 to 4, wherein said moving member has an inner end surface facing said power input wheel, said inner end surface of said moving member being formed with engaging teeth arranged in a row, said power input wheel being arranged in engagement with said engaging teeth.

7. Telescopic drive according to any one of claims 1-4, wherein the telescopic member is a temperature memory metal.

8. The telescopic drive as claimed in any of claims 1 to 4, wherein the telescopic member has a coupling portion with an inwardly recessed coupling groove comprising a circumferentially arranged groove wall formed with an internal thread; the moving member has a connecting section, the connecting section is formed with the external screw thread, the connecting section embedding connecting portion, just the connecting section with connecting portion are threaded connection.

9. The telescopic drive of any one of claims 1-4, wherein said gear structure comprises a first gear set, a second gear set, a drive wheel, a forward gear set, and a reverse gear set, said power input wheel being in meshing arrangement with said first gear set, said power output wheel being in meshing arrangement with said second gear set, said second gear set being in meshing arrangement with said drive wheel; when the telescopic piece is in an extension state, the power input wheel is driven to rotate clockwise, the first gear set rotates anticlockwise, the first gear set is meshed with the forward gear set, the forward gear set is meshed with the driving wheel, and the reverse gear set is in an idle state; when the telescopic part is in a contraction state, the power input wheel is driven to rotate anticlockwise, the first gear set rotates clockwise, the first gear set is meshed with the reverse gear set, the reverse gear set is meshed with the transmission wheel, and the forward gear set is in an idle running state.

10. The telescopic drive of claim 9, wherein said gear structure includes a stationary housing formed with a forward mounting slot and a reverse mounting slot, said forward gear set movably mounting said forward mounting slot with one end proximate said first gear set and the other end extending away from said first gear set, said forward gear set respectively engaging said first gear set and said drive wheel when said forward gear set is at one end of said forward mounting slot, said forward gear set in a spaced apart arrangement from said drive wheel when said forward gear set is at the other end of said forward mounting slot; the reverse gear set is movably arranged on the reverse installation groove, one end of the reverse installation groove is close to the first gear set, the other end of the reverse installation groove extends in the direction deviating from the first gear set, when the reverse gear set is positioned at one end of the reverse installation groove, the reverse gear set is respectively meshed with the first gear set and the transmission wheel, and when the reverse gear set is positioned at the other end of the reverse installation groove, the reverse gear set and the transmission wheel are in separation arrangement.