CN110081149A

CN110081149A - Mechanical pulley gear

Info

Publication number: CN110081149A
Application number: CN201810073904.5A
Authority: CN
Inventors: 何柏霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-25
Filing date: 2018-01-25
Publication date: 2019-08-02
Anticipated expiration: 2038-01-25
Also published as: CN110081149B

Abstract

The present invention provides a kind of pulley gear of machinery, it include a track and a sliding group, sliding group includes first pedestal, one wheel shaft, one pulley and a rebound device, first pedestal is provided with a stopper section, wheel shaft is axially disposed a first segment and a second segment, first segment can rotationally be hubbed at the first pedestal by opposite first pedestal centered on first virtual axle, pulley can rotationally be hubbed at the second segment of wheel shaft centered on second virtual axle with respect to wheel shaft, first virtual axle is not coaxial and parallel to each other with the second virtual axle, the outer peripheral edge of pulley can relative orbit be rollably resisted against track, one end of rebound device is connected to wheel shaft and the different other end is resisted against stopper section, pulley gear relies on above structure, it can be avoided sliding group and block and also can be avoided pulley and track Between generate gap.

Description

Mechanical pulley gear

Technical field

The present invention relates to a kind of pulley gear, espespecially mechanical pulley gear.

Background technique

TaiWan, China patent the M418992nd " linear slide rail " Patent Case is please referred to, announcement has a kind of linear slide rail, It mainly lies in track two sides and is recessed with embedding tug slot for the reinforcement sheet body of embedding tug standoff tab shape, and the reinforcement sheet body convex is set There is supporting part, enables slide the cover on track, the embedding reinforcement sheet body in slot of pulling of respective carter is pivoted with pulley on the inside of slide, sliding It takes turns and the supporting part for corresponding to reinforcement sheet body is recessed with against slot.

In general, pulley gear all adopts the design of double rail type, and two tracks must be substantially parallel in the ideal situation, But for real level, may when manufacturing caused by error or track through using due to deform, cause two tracks it Between distance and on-fixed, the distance between two tracks might have variation slightly in different positions.

However, linear slide rail using the above structure, which has no any mechanism, can overcome the above problem, if linear slide rail two Side roller is arranged apart from the narrow place of matching track, and slide, which may be blocked or be operated at in-orbit road width, to have some setbacks, if linear slide rail Being arranged apart from the wide place of matching track for two side rollers, at the narrow place of track, can generate gap between idler wheel and track.

Summary of the invention

It is an object of the invention to: a kind of pulley gear of machinery is provided, above-mentioned technology existing in the prior art is solved Problem.

To achieve the above object, the technical solution adopted by the present invention is that:

A kind of pulley gear of machinery, it is characterized in that including:

One track；

One sliding group, the sliding group include first pedestal, a wheel shaft, a pulley and a rebound device, First pedestal is provided with a stopper section, and the wheel shaft is axially disposed a first segment and a second segment, the first segment First pedestal can be rotationally hubbed at by opposite first pedestal centered on first virtual axle, which can be with The second segment of the wheel shaft is rotationally hubbed at centered on one the second virtual axle with respect to the wheel shaft, first virtual axle with should Second virtual axle is not coaxial and parallel to each other, which being capable of the opposite track along the outer peripheral edge of the second virtual axle radial direction It is rollably resisted against the track, one end of the rebound device is connected to the wheel shaft and the different other end is resisted against the stopper section.

The described mechanical pulley gear, in which: the first segment and the second segment are cylindrical, the first segment with this first Virtual axle is center axis, and the second segment is using second virtual axle as center axis.

The mechanical pulley gear, in which: the stopper section is set to the side that first pedestal is different from the pulley, One end that the first segment of the wheel shaft is different from the pulley is fixedly connected with a pivot goods of furniture for display rather than for use, which can be synchronous with the wheel shaft Rotation, which includes a sliding component and an elastic component, which can slippingly connect with respect to the pivot goods of furniture for display rather than for use In the pivot goods of furniture for display rather than for use, which is sheathed on the sliding component, and one end of the elastic component is resisted against the pivot goods of furniture for display rather than for use and the different other end The pushing tow sliding component.

The mechanical pulley gear, in which: the sliding group includes second pedestal, and the wheel shaft is axially disposed There is a third section, which is located at the side that the second segment is different from the first segment, and the third section of the wheel shaft can be with this Opposite second pedestal is rotationally hubbed at second pedestal centered on first virtual axle.

The mechanical pulley gear, in which: the third section is cylindrical, which is with first virtual axle Central axis.

Compared with prior art, the invention has the advantages that: the pulley gear is because using the above structure, making this The overall width of pulley gear can change with track width, and can be avoided the sliding group and block also can be avoided the pulley and the rail Gap is generated between road.

Detailed description of the invention

Fig. 1 is the planar appearance figure of the mechanical pulley gear of the present invention.

Fig. 2 is the planar appearance figure of the mechanical pulley gear partial enlargement of the present invention.

Fig. 3 is the sectional structure chart of the mechanical pulley gear sliding group of the present invention.

Fig. 4 is the planar appearance figure of partial enlargement when the mechanical pulley gear pulley of the present invention inside contracts.

Fig. 5 is the sectional structure chart of sliding group when the mechanical pulley gear pulley of the present invention inside contracts.

Description of symbols: 10 pulley gears；20 tracks；30 sliding groups；31 first pedestals；311 stopper sections；32 wheel shafts； 321 first segments；322 second segments；323 pivot goods of furniture for display rather than for uses；324 third sections；33 pulleys；34 rebound devices；341 sliding components；342 elastic components； 35 second pedestals；The first virtual axle of C1；The second virtual axle of C2.

Specific embodiment

Referring to figs. 1 to the planar appearance figure, close-up plan appearance shown in Fig. 3, for the mechanical pulley gear of the present invention Figure and sectional structure chart.Pulley gear 10 of the present invention includes a track 20 and a sliding group 30；Wherein:

The sliding group 30 includes 32, one, a wheel shaft pulley 33 of the first pedestal 31, one and a rebound device 34, is somebody's turn to do First pedestal 31 is provided with a stopper section 311, and the wheel shaft 32 is axially disposed a first segment 321 and a second segment 322, the first segment 321 can centered on a first virtual axle C1 opposite first pedestal 31 be rotationally hubbed at this One pedestal 31, the pulley 33 can rotationally be hubbed at the wheel shaft by the opposite wheel shaft 32 centered on a second virtual axle C2 32 second segment 322, the first virtual axle C1 and second virtual axle C2 be not coaxial and parallel to each other, and the pulley 33 is along this The outer peripheral edge of second virtual axle C2 radial direction can rollably be resisted against the track 20 with respect to the track 20, and the one of the rebound device 34 End is connected to the wheel shaft 32 and the different other end is resisted against the stopper section 311.

The stopper section 311 is set to the side that first pedestal 31 is different from the pulley 33, the first segment 321 of the wheel shaft 32 The one end for being different from the pulley 33 is fixedly connected with a pivot goods of furniture for display rather than for use 323, which can turn with the wheel shaft 32 is synchronous Dynamic, which includes a sliding component 341 and an elastic component 342, which can be with respect to the pivot goods of furniture for display rather than for use 323 are slippingly connected to the pivot goods of furniture for display rather than for use 323, which is sheathed on the sliding component 341, one end of the elastic component 342 against In the pivot goods of furniture for display rather than for use 323 and the different other end pushing tow sliding component 341.

The sliding group 30 includes second pedestal 35, and the wheel shaft 32 is axially disposed a third section 324, this Be located at the second segment 322 for three section 324 and be different from the side of the first segment 321, the third section 324 of the wheel shaft 32 can with this first Opposite second pedestal 35 is rotationally hubbed at second pedestal 35 centered on virtual axle C1.

The first segment 321, the second segment 322 and the third section 324 are all cylindrical in the present embodiment, the first segment 321 with the third section 324 using the first virtual axle C1 as center axis, during which with second virtual axle C2 is Mandrel.

Please continue to refer to the close-up plan shown in Fig. 4 and Fig. 5, when being inside contracted for the mechanical pulley gear pulley of the present invention Outside drawing and sectional structure chart.When the sliding group 30 is moved to the relatively narrow position of the track 20, energy after which is squeezed The wheel shaft 32 is enough driven to rotate relative to first pedestal 31, because the first virtual axle C1 is different from the second virtual axle C2 Axis can shorten the distance of the first virtual axle C1 to the track 20, so enable the sliding group 30 after the wheel shaft 32 rotation Enough adapt to the width of the track 20.When the sliding group 30 is moved to the 20 wider position of track, which can be pushed up It pushes away the wheel shaft 32 to rotate relative to first pedestal 31, makes the first virtual axle C1 to the distance increase of the track 20.

The pulley gear 10 because using the above structure, enabling the overall width of the pulley gear 10 change with track width, It can be avoided the sliding group and block also to can be avoided and generate gap between the pulley 33 and the track 20.

Can be summarized with regard to the above the invention has the following advantages that

1. wherein pulley gear includes a track and a sliding group, the cunning for the pulley gear that the present invention is mechanical Shifting group includes first pedestal, a wheel shaft, a pulley and a rebound device, which is provided with a backstop Portion, the wheel shaft is axially disposed a first segment and a second segment, which can be with first virtual axle Center is rotationally hubbed at first pedestal with respect to first pedestal, the pulley can centered on second virtual axle phase The second segment of the wheel shaft is rotationally hubbed to the wheel shaft, first virtual axle is not coaxial with second virtual axle and each other In parallel, which can rollably be resisted against the track, this time with respect to the track along the outer peripheral edge of the second virtual axle radial direction One end of ereisma is connected to the wheel shaft and the different other end is resisted against the stopper section, the pulley gear because using the above structure, So that the overall width of the pulley gear is changed with track width, can be avoided the sliding group block also can be avoided the pulley with Gap is generated between the track.

Claims

1. a kind of pulley gear of machinery, it is characterized in that including:

One track；

One sliding group, the sliding group include first pedestal, a wheel shaft, a pulley and a rebound device, this One pedestal is provided with a stopper section, and the wheel shaft is axially disposed a first segment and a second segment, which can Opposite first pedestal is rotationally hubbed at first pedestal centered on first virtual axle, which can be with one The second segment of the wheel shaft is rotationally hubbed at centered on second virtual axle with respect to the wheel shaft, first virtual axle and this second Virtual axle is not coaxial and parallel to each other, which being capable of opposite track rolling along the outer peripheral edge of the second virtual axle radial direction Ground is resisted against the track, and one end of the rebound device is connected to the wheel shaft and the different other end is resisted against the stopper section.

2. mechanical pulley gear as described in claim 1, it is characterised in that: the first segment and the second segment are cylindrical, The first segment is using first virtual axle as center axis, and the second segment is using second virtual axle as center axis.

3. mechanical pulley gear as claimed in claim 2, it is characterised in that: it is different that the stopper section is set to first pedestal In the side of the pulley, one end that the first segment of the wheel shaft is different from the pulley is fixedly connected with a pivot goods of furniture for display rather than for use, the pivot goods of furniture for display rather than for use It can be rotated synchronously with the wheel shaft, which includes a sliding component and an elastic component, which opposite can be somebody's turn to do Pivot goods of furniture for display rather than for use is slippingly connected to the pivot goods of furniture for display rather than for use, which is sheathed on the sliding component, and one end of the elastic component is resisted against pivot pendulum Part and different other end pushing tow sliding component.

4. mechanical pulley gear as claimed in claim 3, it is characterised in that: the sliding group includes second pedestal, The wheel shaft is axially disposed a third section, which is located at the side that the second segment is different from the first segment, the wheel shaft Third section can rotationally be hubbed at second pedestal by opposite second pedestal centered on first virtual axle.

5. pulley gear as claimed in claim 4 mechanical, it is characterised in that: the third section is cylindrical, the third section with First virtual axle is center axis.