CN210661062U

CN210661062U - Pulley device and sliding assembly

Info

Publication number: CN210661062U
Application number: CN201921251271.9U
Authority: CN
Inventors: 卢国强
Original assignee: Dejun Furniture Hardware Products Co ltd
Current assignee: Dejun Furniture Hardware Products Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-06-02
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a pulley gear and subassembly that slides, a pulley gear includes the support, the support sets up along the horizontal plane, be provided with the first pulley that a plurality of is parallel to each other on the support, the both sides limit of support is located to the first pulley branch of a plurality of, the axis of each first pulley sets up along the horizontal direction, first pulley radially extends to the support below, each first pulley rotates linking bridge, be provided with the slide rail on the support, slide rail sliding connection has the slider, the parallel first pulley's of extending direction axis direction of slide rail direction, the support passes through the spring coupling slider, the extending direction setting of slide rail is followed to the flexible direction of spring, the slider passes through attenuator linking bridge, the flexible direction and the spring of attenuator are the same, the fixed primary shaft that is provided with on the slider, the setting of the vertical direction in edge of primary shaft, the rotation is connected with the second pulley on the primary shaft, the parallel primary shaft of axis. The utility model provides a stable, can realize buffer function's pulley gear and subassembly that slides.

Description

Pulley device and sliding assembly

Technical Field

The utility model relates to a pulley slide rail field, especially a pulley gear and subassembly that slides.

Background

The pulley device is applied to various fields. For example, it is also widely used in the field of blackboards; the pulley gear is generally matched with a sliding rail matched with the pulley gear when in use, the blackboard is installed on the pulley gear, the pulley gear slides on the sliding rail, and in order to avoid direct collision when the pulley gear runs to the tail end of a stroke, an anti-collision component such as anti-collision glue is externally arranged.

In addition, in the current common blackboard, the blackboard comprises a fixed plate and a movable plate, wherein the upper side edge and the lower side edge of the fixed plate are provided with slide rails, the movable plate is connected with the slide rails in a sliding manner through a pulley device so as to facilitate a user to write on the fixed plate or the movable plate, and in order to enable the movable plate to move to the front of the fixed plate, namely, the movable plate moves to a state that the fixed plate is overlapped, the axis of a pulley on the traditional pulley device is arranged along the vertical direction, the pulley on the pulley device is provided with a clamping groove surrounding the pulley, the pulley is matched on the slide rail through the clamping groove so as to avoid derailment, and the slide rail is provided with a slope, so that the pulley on the pulley device enables the; so although can realize that the fly leaf moves and overlaps with the fixed plate, but because the axis of pulley is along vertical direction setting to pulley gear is under long-term use, the pulley takes place to warp easily under the action of gravity of blackboard, thereby leads to the rotation of the pulley on the pulley gear not smooth, and the axis of pulley sets up along vertical direction moreover, and the slide rail is for matcing the pulley, thereby the extension of the edge horizontal direction of slide rail, and then leads to the problem that pulley gear is not firm enough to the support of blackboard easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to solve at least one of the problems set forth above, a pulley apparatus is provided.

The utility model provides a solution of its technical problem is:

a pulley device comprises a support, wherein the support is arranged along a horizontal plane, a plurality of first pulleys which are parallel to each other are arranged on the support, the plurality of first pulleys are respectively arranged on two side edges of the support, the axis of each first pulley is arranged along the horizontal direction, the first pulleys radially extend to the lower part of the support, each first pulley is rotatably connected with the support, a slide rail is arranged on the support and is connected with a slide block in a sliding manner, the extending direction of the slide rail is parallel to the axis direction of the first pulleys, the support is connected with a slide block through a spring, the extending direction of the spring is arranged along the extending direction of the slide rail, the slide block is connected with the support through a damper, the extending direction of the damper is the same as that of the spring, a first shaft is fixedly arranged on the slide block, and the first shaft is arranged along the vertical direction, and a second pulley is rotatably connected to the first shaft, and the axis of the second pulley is parallel to the first shaft.

As a further improvement of the above technical solution, the slide rail includes two slides that are parallel to each other, two the slide sets up on the support, two the slide is followed the flexible direction setting of spring, each be provided with the third pulley on the slide, the third pulley is in roll on the slide, each the third pulley is all rotated and is connected the slider.

As a further improvement of the above technical solution, the sliding block includes a horizontal plate and two vertical plates respectively connected to two side edges of the horizontal plate, the two vertical plates are connected to the horizontal plate to form an inverted u shape, each vertical plate is provided with a second shaft, each second shaft is rotatably connected to one third pulley, the third pulleys on the two vertical plates are correspondingly arranged on the two slide ways, and the vertical plates and the slide ways are arranged in a one-to-one correspondence manner.

As a further improvement of the above technical solution, two of the vertical plates are arranged to form an empty space, the bottom surface of the horizontal plate is fixedly provided with the first shaft, the first shaft and the empty space have an overlap, the lower end of the first shaft is rotatably connected with the second pulley, the lower end surface of the second pulley is higher than the bottom of the first pulley, the support is provided with an empty space, the first shaft passes through the empty space, the second pulley is arranged below the empty space, and the empty space corresponds to the movement stroke of the first shaft.

As a further improvement of the above technical solution, be provided with the upper pulley on the support, upper pulley sliding connection the support, the axis of upper pulley is parallel to first pulley, the axis of upper pulley is parallel to a plurality of the plane that the axis of upper pulley was confirmed, the summit is higher than on the side of first pulley on the side of upper pulley, the lower summit of first pulley side is less than the lower summit of upper pulley side.

As a further improvement of the technical scheme, the number of the springs is two, and the two springs are respectively arranged on two sides of the damper.

The utility model also provides a subassembly slides, include a pulley gear, still include the track main part that length extends along left right direction, the width direction's of track main part both sides limit all is provided with the track platform, the track platform is followed the length direction of track main part extends, support both sides limit first pulley branch is located two on the track platform, two be provided with the guide rail between the track platform, the second pulley set up in the guide rail.

As a further improvement of the above technical scheme, the guide track includes a first limiting plate and a second limiting plate, a limiting channel is formed between the first limiting plate and the second limiting plate, the first limiting plate, the second limiting plate and the inner ground of the track main body form a U-shape, an opening of the U-shape is vertically upward, the second pulley is arranged in the limiting channel, the limiting channel includes a straight channel and a communicating circular arc channel of the straight channel, and the straight channel is arranged along the left and right direction.

As a further improvement of the above technical solution, at least one of the rail platforms is provided with a limit edge, all the first pulleys corresponding to the limit edge on the same side are provided with grooves, each of the grooves is arranged around the circumference of the first pulley, and the limit edge is inserted into the groove.

As a further improvement of the above technical scheme, the track main part includes the bottom plate, divide and locate the riser of bottom plate both sides, the riser with the bottom plate forms the space of sliding, the track platform set up in the upper surface of bottom plate, the track platform set up in the space of sliding, every the top of riser is provided with the diaphragm, and two diaphragms are towards the setting each other, at least one the lower bottom surface of diaphragm is provided with protruding limit, the periphery of top sheave is provided with the draw-in groove, protruding limit inserts the draw-in groove.

The utility model has the advantages that: through the arrangement of the first pulley, the first pulley can support the bracket, and further drives the bracket to perform translational motion when the first pulley rolls, so that the use is more stable; through the arrangement of the damper, when the sliding block moves along the telescopic direction of the spring, the damper plays a role in blocking the movement of the sliding block, so that the movement speed of the sliding block is reduced, through the arrangement of the spring, after the sliding block and the damper are pulled out, the sliding block and the damper can be reset under the action of the tensile force of the spring, and when the damper is used, the spring is in a natural state or a stretching state; through the setting of this second pulley, when using, technical staff in the art can set up the spout corresponding to the second pulley, makes the second pulley move in the spout, through the trend of the spout that the control set up, and then when first pulley drives the support motion, realizes controlling the slip direction of second pulley, thereby realizes making the slider along the direction of motion of the flexible direction of spring, the flexible direction motion of slider along the attenuator promptly, thereby the effectual velocity of motion when slowing down the second pulley diversion.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Figure 1 is a first isometric view of a pulley apparatus of the present invention;

fig. 2 is a side view of the pulley apparatus of the present invention;

fig. 3 is a second axial view of the pulley apparatus of the present invention;

figure 4 is an axonometric view of the sliding assembly of the present invention.

In the drawings: 1-bracket, 2-first pulley, 3-spring, 4-damper, 5-first shaft, 6-second pulley, 7-slideway, 8-third pulley, 9-horizontal plate, 10-vertical plate, 11-evacuation port, 12-upper pulley, 13-track main body, 14-track platform, 15-first limiting plate, 16-second limiting plate, 17-linear channel, 18-arc channel, 19-groove, 20-limiting edge, 21-bottom plate, 22-vertical plate, 23-horizontal plate, 24-clamping groove and 25-convex edge.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 4, a pulley device includes a bracket 1, the bracket 1 is disposed along a horizontal plane, a plurality of first pulleys 2 parallel to each other are disposed on the bracket 1, the plurality of first pulleys 2 are respectively disposed on two side edges of the bracket 1, an axis of each first pulley 2 is disposed along a horizontal direction, the first pulleys 2 radially extend to a lower portion of the bracket 1, each first pulley 2 is rotatably connected to the bracket 1, a slide rail is disposed on the bracket 1, the slide rail is slidably connected to a slide block, an extending direction of the slide rail is parallel to an axis direction of the first pulley 2, the bracket 1 is connected to the slide block through a spring 3, an extending direction of the spring 3 is disposed along an extending direction of the slide rail, the slide block is connected to the bracket 1 through a damper 4, an extending direction of the damper 4 is the same as the spring 3, the sliding block is fixedly provided with a first shaft 5, the first shaft 5 is arranged along the vertical direction, a second pulley 6 is rotatably connected to the first shaft 5, and the axis of the second pulley 6 is parallel to the first shaft 5.

In the embodiment, through the arrangement of the first pulley 2, the first pulley 2 can support the bracket 1, and further, when the first pulley 2 rolls, the bracket 1 is driven to perform translational motion, so that the use is more stable, and through the arrangement of the sliding block, when in use, a person skilled in the art can install a workpiece needing to be translated on the sliding block, for example, a blackboard is fixedly installed on the sliding block; through the arrangement of the damper 4, when the sliding block moves along the telescopic direction of the spring 3, the damper 4 can play a role of blocking the movement of the sliding block, so that the movement speed of the sliding block is reduced, through the arrangement of the spring 3, after the sliding block and the damper 4 are pulled out, the sliding block and the damper 4 can be reset under the action of the tension of the spring 3, and when the spring 3 is used, the spring 3 is in a natural state or a stretching state; through the setting of this second pulley 6, when using, the technical staff in the art can set up the spout corresponding to second pulley 6, make second pulley 6 move in the spout, trend through the spout that the control set up, and then when first pulley 2 drives the motion of support 1, the realization is controlled the slip direction of second pulley 6, thereby realize making the slider along the direction of motion of the flexible direction of spring 3, the flexible direction motion of slider along attenuator 4 promptly, thereby the moving speed when effectual 6 diversions of slowing down second pulley.

Further as preferred embodiment, the slide rail includes two slide ways 7 that are parallel to each other, two slide ways 7 set up on the support 1, two slide ways 7 are followed spring 3's flexible direction sets up, each be provided with third pulley 8 on the slide way 7, third pulley 8 is in roll on the slide way 7, each third pulley 8 all rotates and connects the slider. This simple structure, setting are convenient, through the setting of this slide 7, third pulley 8 to the slip of slider is more smooth and easy.

Further as a preferred embodiment, the sliding block includes a horizontal plate 9 and two vertical plates 10 respectively connected to two side edges of the horizontal plate 9, the two vertical plates 10 are connected to the horizontal plate 9 to form an inverted u shape, each vertical plate 10 is provided with a second shaft, each second shaft is rotatably connected to one third pulley 8, the third pulleys 8 on the two vertical plates 10 are correspondingly arranged on the two slide ways 7, and the vertical plates 10 are arranged in one-to-one correspondence with the slide ways 7. The structure is simple, the arrangement is convenient, the two vertical plates 10 are connected with the horizontal plate 9 to form an inverted U shape, and each vertical plate 10 is rotatably connected with the third pulley 8 through the second shaft, so that the sliding block can slide on the slide 7 more smoothly.

Further as a preferred embodiment, two vertical plates 10 are arranged to form an empty space, the bottom surface of the horizontal plate 9 is fixedly provided with the first shaft 5, the first shaft 5 and the empty space are overlapped, the lower end of the first shaft 5 is rotatably connected with the second pulley 6, the lower end surface of the second pulley 6 is higher than the bottom of the first pulley 2, the bracket 1 is provided with an empty-avoiding opening 11, the first shaft 5 penetrates through the empty-avoiding opening 11, the second pulley 6 is arranged below the empty-avoiding opening 11, and the empty-avoiding opening 11 is arranged corresponding to the movement stroke of the first shaft 5. This simple structure, setting are convenient, through this clearance mouth 11, the setting in clearance space to second pulley 6 can be convenient stretch out to clearance mouth 11.

Further as a preferred embodiment, an upper pulley 12 is disposed on the bracket 1, the upper pulley 12 is rotatably connected to the bracket 1, an axis of the upper pulley 12 is parallel to the first pulley 2, an axis of the upper pulley 12 is parallel to a plane defined by axes of the plurality of upper pulleys 12, an upper vertex of a side surface of the upper pulley 12 is higher than an upper vertex of a side surface of the first pulley 2, and a lower vertex of a side surface of the first pulley 2 is lower than a lower vertex of a side surface of the upper pulley 12. This simple structure, setting are convenient, through the setting of upper pulley 12, when using, and the technical staff in the art can be spacing keeping away from one side of first pulley 2 to upper pulley 12 to the realization is spacing to upper pulley 12, first pulley 2 respectively from two directions from top to bottom, has avoided pulley gear drunkenness when using.

In a further preferred embodiment, two springs 3 are provided, and the two springs 3 are respectively provided on both sides of the damper 4. This simple structure, setting convenience through the setting of this structure to 3 produced 3 even more of spring power of spring.

The utility model provides a subassembly slides, include a pulley gear, still include the track main part 13 that length extends along left right direction, the width direction's of track main part 13 both sides limit all is provided with track platform 14, track platform 14 is followed the length direction of track main part 13 extends, 1 both sides limit of support first pulley 2 branch is located two on the track platform 14, two be provided with the direction track between the track platform 14, second pulley 6 set up in the direction track. This simple structure, the setting is convenient, through this guide rail's setting, can be effectual move second pulley 6 along spring 3's flexible direction, when in actual use, for example use to the installation blackboard, the fly leaf in the slider installation blackboard can be to the field technician to fly leaf through this guide rail control blackboard moves along the thickness direction of the fixed plate in the blackboard, thereby makes the fly leaf movable to sheltering from the fixed plate.

Further as preferred embodiment, the guide track includes first limiting plate 15, second limiting plate 16, form spacing passageway between first limiting plate 15 and the second limiting plate 16, first limiting plate 15, second limiting plate 16 and the interior ground of track main part 13 forms the U-shaped, the opening of U-shaped is vertical upwards, set up in the spacing passageway second pulley 6, spacing passageway includes straight line passageway 17, intercommunication straight line passageway 17's circular arc passageway 18, straight line passageway 17 sets up along the left and right direction. This simple structure, it is convenient to set up, through the setting of this circular arc passageway 18, second pulley 6 can follow circular arc passageway 18 and slide and excessively arrive among the straight line passageway 17, and when using, for example use on the blackboard, circular arc passageway 18 can set up the side of the fixed plate in the blackboard, and straight line passageway 17 sets up along the length direction of the fixed plate in the blackboard, thereby make under the slip of second pulley 6, the movable plate that the slider drove in the blackboard can move to covering the fixed plate, perhaps move parallel fixed plate and set up in the side of fixed plate.

Further as a preferred embodiment, at least one of the rail platforms 14 is provided with a limiting edge 20, all the first pulleys 2 corresponding to the same side of the limiting edge 20 are provided with grooves 19, each groove 19 is disposed around the circumferential surface of the first pulley 2, and the limiting edge 20 is inserted into the groove 19. This simple structure, setting are convenient, through the setting of this recess 19, spacing limit 20 to first pulley 2 can be spacing in the direction of spacing limit 20, avoids first pulley 2 along its first pulley 2's axis direction drunkenness.

Further as preferred embodiment, track main part 13 includes bottom plate 21, the branch is located the riser 22 of bottom plate 21 both sides, riser 22 with bottom plate 21 forms the space of sliding, track platform 14 set up in the upper surface of bottom plate 21, track platform 14 set up in the space of sliding, every the top of riser 22 is provided with diaphragm 23, and two diaphragms 23 set up towards each other, at least one the lower bottom surface of diaphragm 23 is provided with protruding limit 25, the periphery of upper pulley 12 is provided with draw-in groove 24, protruding limit 25 inserts draw-in groove 24. This simple structure, setting are convenient, and in the in-service use, protruding limit 25 extends along the length direction of guide rail main part, and protruding limit 25 inserts in draw-in groove 24 to effectual upper sheave 12 of pushing down, the effectual device of avoiding sliding drunkenness about when sliding in the guide rail main part, and then the motion is more stable.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A pulley device comprising a support (1), characterized in that: the support (1) is arranged along a horizontal plane, a plurality of first pulleys (2) which are parallel to each other are arranged on the support (1), the first pulleys (2) are respectively arranged on two side edges of the support (1), the axis of each first pulley (2) is arranged along the horizontal direction, the first pulleys (2) radially extend to the lower part of the support (1), each first pulley (2) is rotatably connected with the support (1), a sliding rail is arranged on the support (1), the sliding rail is slidably connected with a sliding block, the extending direction of the sliding rail is parallel to the axis direction of the first pulleys (2), the support (1) is connected with the sliding block through a spring (3), the extending direction of the spring (3) is arranged along the extending direction of the sliding rail, and the sliding block is connected with the support (1) through a damper (4), the telescopic direction of the damper (4) is the same as that of the spring (3), a first shaft (5) is fixedly arranged on the sliding block, the first shaft (5) is arranged in the vertical direction, a second pulley (6) is rotatably connected to the first shaft (5), and the axis of the second pulley (6) is parallel to the first shaft (5).

2. A pulley arrangement according to claim 1, wherein: the slide rail includes two slide (7) that are parallel to each other, two slide (7) set up on support (1), two slide (7) are followed the flexible direction setting of spring (3), each be provided with third pulley (8) on slide (7), third pulley (8) are in roll on slide (7), each third pulley (8) all rotate and connect the slider.

3. A pulley arrangement according to claim 2, wherein: the slider includes horizontal plate (9), two and connects respectively vertical plate (10) on horizontal plate (9) both sides limit, two vertical plate (10) with horizontal plate (9) are connected and are formed U shape, each be provided with the secondary shaft on vertical plate (10), each the secondary shaft rotates and connects one third pulley (8), two the setting that third pulley (8) on vertical plate (10) correspond is two on slide (7), vertical plate (10) with slide (7) one-to-one sets up.

4. A pulley device according to claim 3, wherein: two vertical board (10) set up and form the empty space of keeping away, the bottom surface of horizontal plate (9) is fixed to be set up first axle (5), first axle (5) with the empty space of keeping away has the overlap, the lower extreme of first axle (5) rotates and connects second pulley (6), the lower terminal surface of second pulley (6) is higher than first pulley (2) bottom, seted up on support (1) and kept away sky mouth (11), first axle (5) pass keep away sky mouth (11), second pulley (6) set up keep away the below of sky mouth (11), keep away sky mouth (11) and correspond the motion stroke setting of first axle (5).

5. A pulley arrangement according to claim 1, wherein: be provided with on support (1) upper sheave (12), upper sheave (12) rotate to be connected support (1), the axis of upper sheave (12) is parallel first pulley (2), the axis of upper sheave (12) is parallel a plurality of the plane confirmed by the axis of upper sheave (12), the summit is higher than the last summit of the side of first pulley (2) on the side of upper sheave (12), the lower summit of first pulley (2) side is less than the lower summit of upper sheave (12) side.

6. A pulley arrangement according to claim 1, wherein: the two springs (3) are arranged, and the two springs (3) are respectively arranged on two sides of the damper (4).

7. A glide assembly, comprising: the pulley device comprises the pulley device according to claim 5, and further comprises a rail main body (13) with the length extending along the left-right direction, wherein rail platforms (14) are respectively arranged on two sides of the rail main body (13) in the width direction, the rail platforms (14) extend along the length direction of the rail main body (13), the first pulleys (2) on the two sides of the bracket (1) are respectively arranged on the two rail platforms (14), a guide rail is arranged between the two rail platforms (14), and the second pulley (6) is arranged in the guide rail.

8. A glide assembly according to claim 7 wherein: the guide rail comprises a first limiting plate (15) and a second limiting plate (16), a limiting channel is formed between the first limiting plate (15) and the second limiting plate (16), the first limiting plate (15), the second limiting plate (16) and the inner ground of the rail main body (13) form a U shape, the opening of the U shape vertically upwards is arranged in the limiting channel, the second pulley (6) is arranged in the limiting channel, the limiting channel comprises a linear channel (17) and a communication circular arc channel (18) of the linear channel (17), and the linear channel (17) is arranged along the left and right directions.

9. A glide assembly according to claim 7 wherein: at least one be provided with spacing limit (20) on track platform (14), all be provided with recess (19) on corresponding all first pulley (2) with the same one side of spacing limit (20), each recess (19) encircle first pulley (2) periphery sets up, spacing limit (20) insert in recess (19).

10. A glide assembly according to claim 7 wherein: track main part (13) are located including bottom plate (21), branch riser (22) of bottom plate (21) both sides, riser (22) with bottom plate (21) form the space of sliding, track platform (14) set up in the upper surface of bottom plate (21), track platform (14) set up in the space of sliding, every the top of riser (22) is provided with diaphragm (23), and two diaphragm (23) are towards setting each other, at least one the lower bottom surface of diaphragm (23) is provided with protruding limit (25), the periphery of top sheave (12) is provided with draw-in groove (24), protruding limit (25) insert draw-in groove (24).