CN111759097A

CN111759097A - Separable compact shelf transmission mechanism

Info

Publication number: CN111759097A
Application number: CN201911097926.6A
Authority: CN
Inventors: 童海云
Original assignee: Ningbo Yinzhou Juyun Machinery Parts Co ltd
Current assignee: Ningbo Yinzhou Juyun Machinery Parts Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-10-13

Abstract

The invention discloses a separable compact shelf transmission mechanism which comprises at least one transmission mechanism unit, wherein the transmission mechanism unit comprises a bottom plate, the bottom plate comprises a front surface and a back surface, the front surface is connected with a moving structure and a hand-cranking structure, the moving structure and the hand-cranking structure are connected through a separable transmission structure, and the hand-cranking structures of different transmission mechanism units are in transmission connection. The transmission mechanism adopting the structure can be in clutch connection with the hand-operated structure through the moving structure, and the hand-operated structures of different transmission mechanism units are in transmission connection, so that the clutch function of the transmission mechanism is realized, the compact shelf can be flexibly moved, and the movement can be completed only by spending the moving force required by the appointed compact shelf during the movement, thereby being convenient and labor-saving.

Description

Separable compact shelf transmission mechanism

Technical Field

The invention relates to the technical field of compact shelves, in particular to a separable compact shelf transmission mechanism.

Background

The movable compact shelf is mainly used for storing archival data, securities, certificates and the like, has the advantages of confidentiality and closure, high space utilization rate and convenient access, and ensures that a plurality of cabinets can synchronously move with the rack by arranging the transmission mechanism, thereby being beneficial to shrinking the whole space occupied by the cabinets.

However, in the prior art, the transmission mechanism between the rack and the cabinet body can only realize synchronous movement, but cannot move out a certain cabinet body in synchronous movement to move out synchronous movement, so that the manual rotating wheel is used to rotate the transmission mechanism, the driving force of all cabinet bodies needs to be borne, time and labor are wasted, a single cabinet body cannot be pulled open flexibly, and the cabinet is cumbersome and inconvenient.

Disclosure of Invention

The invention aims to solve the technical problem of providing a separable compact shelving transmission mechanism which can freely determine to move cabinet bodies, is labor-saving in driving and can flexibly pull open a single cabinet body.

The technical scheme adopted by the invention is that the separable compact shelf transmission mechanism comprises at least one transmission mechanism unit, wherein the transmission mechanism unit comprises a bottom plate, the bottom plate comprises a front surface and a back surface, the front surface is connected with a moving structure and a hand-cranking structure, the moving structure and the hand-cranking structure are connected through a separable transmission structure, and the hand-cranking structures of different transmission mechanism units are in transmission connection.

The invention has the beneficial effects that: but the drive mechanism of adopting above-mentioned structure is through connecting removal structure and hand structure separation and reunion, the transmission is connected between the hand structure of different drive mechanism units, make when wanting all intensive synchronous motion, as long as combine removal structure and hand structure together can synchronous drive, when wanting certain intensive unit asynchronous motion, as long as separate the removal structure and the hand structure of this unit, although hand structure still moves under the transmission effect this moment, but because hand structure and removal structure separation, this hand structure can only idle running, make this unit can not be with other intensive synchronous motion, make intensive can nimble the removal, and only need spend the required removal strength of appointed intensive and can accomplish the removal during the removal, and is convenient laborsaving.

As prior, but separation and reunion transmission structure is including welding the hob on openly and can rotate the regulation pole that gets into among the hob, be provided with the first bearing of fixing through first jump ring on the hob, be provided with the second bearing of fixing through the second jump ring on the regulation pole, rotate on the first bearing and connect first sprocket, rotate on the second bearing and connect the second sprocket, but all be provided with the gomphosis structure on first sprocket and the second sprocket, through connecting the first sprocket that can the gomphosis and second sprocket on hob and regulation pole, make the second sprocket can be along with the screw in and the gomphosis of first sprocket of regulation pole, along with the screw out with first sprocket separation, reach the separation and reunion effect.

Preferably, the engageable structure includes a groove and a protrusion, and the protrusion is provided with an inclined surface, and the inclined surface is used for guiding the engagement of the groove and the protrusion.

Preferably, the adjusting rod penetrates through the front side and the back side of the bottom plate after rotating to enter the spiral rod, a third clamp spring, a limiting cover fixed on the adjusting rod through the third clamp spring and a spring sleeved on the adjusting rod and pressed by the limiting cover are arranged at one end of the adjusting rod, which is located at the back side of the bottom plate, the limiting cover is used for limiting displacement of the adjusting rod, and the spring is arranged to prevent the chain wheel from rotating and reversely drive the adjusting rod to rotate back when the chain wheel rotates, so that a safety is increased, and the limiting cover is supported on the other hand.

Preferably, an adjusting knob is fixed at one end of the adjusting rod positioned on the front side, so that the clutch of the clutch transmission structure can be conveniently adjusted.

Preferably, the moving structure comprises a third chain wheel, a transmission rod is fixed on the third chain wheel, the third chain wheel is in transmission connection with the first chain wheel through a chain, and the transmission rod is in transmission connection with the moving wheel, so that the moving structure can be in transmission connection with the clutchable transmission structure.

As preferred, hand structure rotates the hand sprocket of connection at positive top including rotating the double sprocket of connection on the front, the double sprocket includes little sprocket and big sprocket, little sprocket passes through the chain and is connected with second sprocket drive, big sprocket passes through the chain and is connected with hand sprocket drive for hand structure is connected with clutchable transmission structure transmission.

As preferred, be provided with the chain elasticity regulating wheel on the chain between hand sprocket and the big sprocket, the chain elasticity regulating wheel rotates to be connected on openly, conveniently adjusts the elasticity of hand structure chain.

As the priority, hand round of fixedly connected with on the hand sprocket, conveniently rotate hand structure.

Drawings

FIG. 1 is a schematic front view of a transmission unit according to the present invention;

FIG. 2 is a schematic reverse view of the transmission unit of the present invention;

FIG. 3 is an exploded view of the clutchable transmission of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 1;

FIG. 5 is an enlarged view of area B of FIG. 2;

as shown in the figure: 1. a base plate; 2. a front side; 3. a moving structure; 4. a hand-cranking structure; 5. a clutchable transmission structure; 6. a third sprocket; 7. a transmission rod; 8. a double sprocket; 9. a large sprocket; 10. a small sprocket; 11. a hand-operated chain wheel; 12. a hand-operated wheel; 13. a chain tightness adjusting wheel; 14. a chain; 15. adjusting a knob; 16. adjusting a rod; 17. a second sprocket; 18. a second clamp spring; 19. a second bearing; 20. a nestable structure; 21. a bevel; 22. a protrusion; 23. a groove; 24. a first sprocket; 25. the reverse side; 26. a third clamp spring; 27. a limiting cover; 28. a spring; 29. a screw rod; 30. a first bearing; 31 first circlip.

Detailed Description

The invention is further described below with reference to the accompanying drawings in combination with specific embodiments so that those skilled in the art can practice the invention with reference to the description, and the scope of the invention is not limited to the specific embodiments.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above terms should not be construed as limiting the present invention.

The invention relates to a separable compact shelving transmission mechanism, which comprises at least one transmission mechanism unit, as shown in figure 1, the transmission mechanism unit comprises a bottom plate 1, the bottom plate 1 comprises a front surface 2 and a back surface 25, the front surface 2 is connected with a moving structure 3 and a hand-cranking structure 4, the moving structure 3 and the hand-cranking structure 4 are connected through a separable transmission structure 5, the hand-cranking structures 4 of different transmission mechanism units are in transmission connection, the transmission mechanism adopting the structure can be in separable connection with the hand-cranking structures 4 through the moving structure 3, the hand-cranking structures 4 of different transmission mechanism units are in transmission connection, when all compact shelving units are required to be in synchronous motion, the moving structure 3 and the hand-cranking structure 4 can be synchronously transmitted as long as the moving structure 3 and the hand-cranking structure 4 of the unit are separated, although the hand-operated structure 4 still moves under the transmission effect at this moment, because the hand-operated structure 4 is separated from the moving structure 3, the hand-operated structure 4 can only idle, so that the unit can not synchronously move with other compact shelves, the compact shelves can flexibly move, and the moving can be completed only by spending the moving force required by the appointed compact shelves during moving, thereby being convenient and labor-saving.

The clutchable transmission structure 5 comprises a screw rod 29 welded on the front face 2 and an adjusting rod 16 capable of rotating into the screw rod 29, a first bearing 30 fixed by a first clamp spring 31 is arranged on the screw rod 29, a second bearing 19 fixed by a second clamp spring 18 is arranged on the adjusting rod 16, a first chain wheel 24 is rotatably connected on the first bearing 30, a second chain wheel 17 is rotatably connected on the second bearing 19, both the first chain wheel 24 and the second chain wheel 17 are provided with a joggable structure 20, the joggable first chain wheel 24 and the second chain wheel 17 are connected on the screw rod 29 and the adjusting rod 16, so that the second chain wheel 17 can be jogged with the first chain wheel 24 along with the screwing-in of the adjusting rod 16 and separated from the first chain wheel 24 along with the screwing-out, a clutching effect is achieved, when the adjusting rod 16 rotates clockwise, the adjusting rod 16 rotates into the screw rod 29, when the adjustment lever 16 is rotated counterclockwise, the adjustment lever 16 is rotated away from the screw 29.

As shown in fig. 4, the engageable structure 20 includes a groove 23 and a protrusion 22, the protrusion 22 is provided with an inclined surface 21, and by providing the inclined surface 21, a guide for engaging the groove 23 and the protrusion 22 is formed.

The adjusting rod 16 penetrates through the front surface 2 and the back surface 25 of the bottom plate 1 after rotating into the spiral rod 29, one end, located at the back surface 25, of the adjusting rod 16 is provided with a third clamp spring 26, a limiting cover 27 fixed on the adjusting rod 16 through the third clamp spring 26 and a spring 28 sleeved on the adjusting rod 16 and pressed by the limiting cover 27, the limiting cover 27 is used for limiting displacement of the adjusting rod 16, and through the arrangement of the spring 28, on one hand, the adjusting rod 16 is prevented from being reversely driven to rotate back when the chain wheel rotates, so that a safety is increased, and on the other hand, the limiting cover 27 is supported.

An adjusting knob 15 is fixed at one end of the adjusting rod 16 positioned on the front surface 2, so that the clutch of the clutch transmission structure 5 can be conveniently adjusted.

The movable structure 3 comprises a third chain wheel 6, a transmission rod 7 is fixed on the third chain wheel 6, the third chain wheel 6 is in transmission connection with a first chain wheel 24 through a chain 14, and the transmission rod 7 is in transmission connection with the movable wheel of the compact shelving unit, so that the movable structure 3 can be in transmission connection with the clutchable transmission structure 5.

Hand structure 4 rotates the hand sprocket 11 of connecting at 2 tops in front including rotating the double sprocket 8 of connecting on 2 openly, double sprocket 8 includes little sprocket 10 and big sprocket 9, little sprocket 10 is connected with second sprocket 17 transmission through chain 14, big sprocket 9 passes through chain 14 and is connected with hand sprocket 11 transmission for hand structure 4 is connected with 5 transmissions of clutchable drive structure. .

Be provided with chain elasticity regulating wheel 13 on the chain 14 between hand sprocket 11 and the big sprocket 9, chain elasticity regulating wheel 13 rotates to be connected on positive 2, conveniently adjusts hand structure 4's chain 14's elasticity.

Hand wheel 12 is fixedly connected to hand sprocket 11, conveniently rotates hand structure 4.

When the compact shelving is required to be capable of synchronously moving, the adjusting knob 12 is rotated clockwise to drive the adjusting rod 16 to rotate clockwise, the distance between the adjusting rod 16 and the spiral rod 29 is reduced, along with the screwing-in of the adjusting rod 16, the distance between the first chain wheel 24 and the second chain wheel 17 is continuously reduced, the first chain wheel 24 is contacted with the second chain wheel 17, because the engageable structure 20 of the first chain wheel 24 and the second chain wheel 17 is provided with the inclined surface 21, under the guidance of the inclined surface 21, the first chain wheel 24 and the second chain wheel 17 rotate in the opposite direction, when the inclined surfaces of the first chain wheel 24 and the second chain wheel 17 are not contacted any more, the bulges 22 and the grooves 23 between the first chain wheel 24 and the second chain wheel 17 can be engaged, the bulges 22 and the grooves 23 on the first chain wheel 24 and the second chain wheel 17 are uniformly distributed at circumferential intervals, when the first chain wheel 24 is engaged with the second chain wheel 17, the adjusting rod 16 is not rotated clockwise any, at this moment, the circular motion of the double chain wheel 8 is transmitted to the first chain wheel 24 through the embedding of the first chain wheel 24 and the second chain wheel 17, the first chain wheel 24 transmits the circular motion to the third chain wheel 6 through the transmission of the chain 14, so that the synchronization of the hand-operated structure 4 and the moving structure 3 is realized, and the synchronous transmission of all compact shelf units can be realized only by rotating the hand-operated wheel 12 on one compact shelf unit at the moment due to the transmission structure existing between the hand-operated structures 4 of different compact shelf units.

When a certain compact shelving unit needs to do asynchronous motion, the adjusting knob 12 of the compact shelving transmission mechanism unit is rotated anticlockwise to drive the adjusting rod 16 to rotate anticlockwise so as to increase the distance between the adjusting rod 16 and the screw rod 29, at the moment, the protrusion 22 and the groove 23 between the first chain wheel 24 and the second chain wheel 17 move away from each other, the adjusting rod 16 continues to rotate anticlockwise until the first chain wheel 24 and the inclined plane 21 of the second chain wheel 17 contact each other, the inclined plane 21 forms reverse rotation guide for the first chain wheel 24 and the second chain wheel 17 until the first chain wheel 24 and the second chain wheel 17 separate, at the moment, the limit cover 27 contacts with the bottom plate 1, the adjusting rod 16 cannot continue to rotate anticlockwise any more, at the moment, the rotation motion on the double chain wheels 8 cannot be transmitted to the first chain wheel 24 through the second chain wheel 17 nor to the third chain wheel 6, so that the moving structure 3 of the unit cannot be synchronously transmitted with the hand cranking structure 4, the transmission separation is realized, so that the movable rack does not need to be moved by extra strength.

Claims

1. A detachable compact shelving transmission mechanism, comprising at least one transmission mechanism unit, said transmission mechanism unit comprising a base plate (1), said base plate (1) comprising a front face (2) and a back face (25), characterized in that: the front face (2) is connected with a moving structure (3) and a hand-cranking structure (4), the moving structure (3) and the hand-cranking structure (4) are connected through a clutch transmission structure (5), and the hand-cranking structures (4) of different transmission mechanism units are in transmission connection.

2. The detachable compact shelving transmission mechanism as claimed in claim 1, wherein: but separation and reunion transmission structure (5) are including welding hob (29) on front (2) and regulation pole (16) among the entering hob (29) that can rotate, be provided with on hob (29) through first jump ring (31) fixed first bearing (30), be provided with on regulation pole (16) through second jump ring (18) fixed second bearing (19), rotate on first bearing (30) and connect first sprocket (24), rotate on second bearing (19) and connect second sprocket (17), all be provided with on first sprocket (24) and second sprocket (17) and can engage structure (20).

3. The detachable compact shelving transmission mechanism as claimed in claim 2, wherein: the embeddable structure (20) comprises a groove (23) and a protrusion (22), and the protrusion (22) is provided with an inclined surface (21).

4. The detachable compact shelving transmission mechanism as claimed in claim 2, wherein: the adjusting rod (16) penetrates through the front surface (2) and the back surface (25) of the bottom plate (1) after rotating into the screw rod (29), a third clamp spring (26), a limiting cover (27) fixed on the adjusting rod (16) through the third clamp spring (26) and a spring (28) sleeved on the adjusting rod (16) and pressed by the limiting cover (27) are arranged at one end, located on the back surface (25), of the adjusting rod (16).

5. The detachable compact shelving transmission mechanism as claimed in claim 4, wherein: an adjusting knob (15) is fixed at one end of the adjusting rod (16) positioned on the front surface (2).

6. The detachable compact shelving transmission mechanism as claimed in claim 2, wherein: the movable structure (3) comprises a third chain wheel (6), a transmission rod (7) is fixed on the third chain wheel (6), the third chain wheel (6) is in transmission connection with a first chain wheel (24) through a chain (14), and the transmission rod (7) is in transmission connection with a movable wheel of the compact shelving unit.

7. The detachable compact shelving transmission mechanism as claimed in claim 2, wherein: hand structure (4) rotate to connect hand sprocket (11) at positive (2) top including rotating double sprocket (8) of connection on positive (2), double sprocket (8) are including little sprocket (10) and big sprocket (9), little sprocket (10) are connected with second sprocket (17) transmission through chain (14), big sprocket (9) are connected with hand sprocket (11) transmission through chain (14).

8. The detachable compact shelving transmission mechanism as claimed in claim 7, wherein: the chain (14) between the hand-operated chain wheel (11) and the big chain wheel (9) is provided with a chain tightness adjusting wheel (13), and the chain tightness adjusting wheel (13) is rotatably connected to the front surface (2).

9. The detachable compact shelving transmission mechanism as claimed in claim 7, wherein: the hand-operated sprocket (11) is fixedly connected with a hand-operated wheel (12).