CN210714190U

CN210714190U - Mechanical column lock protection device of intelligent compact shelf

Info

Publication number: CN210714190U
Application number: CN201921199880.4U
Authority: CN
Inventors: 吴勇
Original assignee: Suzhou Yonggu Metal Products Co ltd
Current assignee: Suzhou YONGGU Intelligent Technology Co.,Ltd.
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-09
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a mechanical lock protection device that is listed as of intelligent intensive frame relates to intensive frame field, for solving intensive frame operating handle and too violent hard when still unblanking, can produce great shear stress to the locker, probably causes the damage of lock key, the dead problem of card of chain even. The chain wheel is positioned in the compact shelf shell, the middle part of one end of the chain wheel is provided with a transmission shaft, the upper end and the lower end of the transmission shaft are both provided with keys, the keys are fixedly connected with the transmission shaft, the length of the keys is less than that of the transmission shaft, and one end of each key is fixedly connected with the chain wheel; the outside of the compact shelf shell is provided with a handle, one end of the handle is provided with a sleeve, the upper end and the lower end of the inside of the sleeve are both provided with key grooves, the transmission shaft is positioned inside the sleeve, and a limit baffle is arranged between the sleeve and the chain wheel. The utility model discloses during locking, can release the handle, the handle that does not unblank can't be connected with sprocket drive, and fundamentally has stopped unblank the operation and has caused the possibility of lock or other structural damage.

Description

Mechanical column lock protection device of intelligent compact shelf

Technical Field

The utility model relates to a dense frame field specifically is a mechanical lock protection device that is listed as of intelligent dense frame.

Background

The intelligent compact shelf is an intelligent compact shelf integrating manual, electric and computer control into one body, and its three transmission modes are independent and do not affect each other.

Wheels are arranged on the base of the compact shelf. His manual control is as follows: the side surface of the compact shelf is provided with a handle, and the compact shelf can move linearly along a small guide rail paved on the ground by shaking the handle to drive an internal chain wheel to provide power for the wheels.

The compact shelving needs to be locked because the compact shelving is usually used for storing files, but the lock of the compact shelving is special, and the chain wheel needs to be rotated.

At present, the sprocket of the compact shelf is locked mainly in a mode of clamping the teeth of the sprocket through the up-and-down movement of a pin, but if the sprocket is used in the mode, if a handle is operated when the sprocket is not unlocked and the force is too strong, a large shearing stress can be generated on a lock, the damage of a key and even the clamping of a chain can be caused, and therefore, an intelligent mechanical lock protection device of the compact shelf is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical row lock protection device of intelligent intensive frame to solve the intensive frame that provides among the above-mentioned background art and operating handle when still unblanking and too hard, can produce great shear stress to the locker, probably cause the damage of key, the dead problem of card of chain even.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical column lock protection device of an intelligent compact shelf comprises a chain wheel, a chain and a compact shelf shell, wherein the chain wheel is positioned inside the compact shelf shell and is in transmission connection with the chain; the compact shelving comprises a compact shelving shell, a handle is arranged outside the compact shelving shell, one end of the handle, which is far away from the compact shelving shell, is provided with a handle, the other end of the handle is provided with a sleeve, the upper end and the lower end of the inside of the sleeve are respectively provided with a key groove, a transmission shaft is positioned inside the sleeve, a limit baffle is arranged between the sleeve and a chain wheel, the middle part of the limit baffle is provided with a round hole, the transmission shaft penetrates through the round hole, the upper end of one side, which is far away from the chain wheel, of the limit baffle is provided with a helical rack, the helical rack is fixedly connected with the limit baffle, a driven helical gear and a driving helical gear are arranged above the helical rack, the driving helical gear is positioned above the driven helical gear, the driving helical gear is in transmission, the inner side of the compact shelf shell is provided with a rack limiting track, the rack limiting track is fixedly connected with the compact shelf shell, the helical rack is connected with the rack limiting track in a sliding mode, and the sliding direction of the helical rack is horizontal and perpendicular to the chain wheel.

Preferably, the sleeve penetrates through the compact shelf shell, and the sleeve is movably connected with the compact shelf shell.

Preferably, one end of the sleeve, which is far away from the handle, is provided with a tip.

Preferably, the length of the key slot is greater than the length of the key.

Preferably, the diameter of the circular hole is larger than the distance from the upper end of the key located above the transmission shaft to the lower end of the key located below the transmission shaft.

Preferably, the diameter of the tip is greater than the diameter of the circular hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the mechanical column lock protection device of the intelligent compact shelf adopts a locking mode of disconnecting transmission connection, after locking, the handle can rotate randomly but cannot drive any other part, the possibility that the lock or other structures are damaged due to non-unlocking operation is fundamentally avoided, the problems that the lock key is damaged and even a chain is blocked due to the fact that the intensive shelf operates the handle violently when the lock is not unlocked, larger shear stress can be generated on the lock, and the lock key is damaged are possibly caused are solved, the service life of the lock key and even the compact shelf is prolonged, the intelligence in the broad sense is improved, and the due function of the lock is really realized.

Drawings

Fig. 1 is a schematic perspective view of the present invention, in which some shafts, chains, compact shelf housings and rack limit rails fixed to the housings are omitted for clarity;

FIG. 2 is a schematic structural view of the sprocket;

FIG. 3 is a side elevational view structural schematic of the sprocket;

FIG. 4 is a schematic view of the handle;

FIG. 5 is a side view structural schematic of the handle;

FIG. 6 is a schematic cross-sectional view of the unlocked operating condition of the sprocket, limit stop and handle;

FIG. 7 is a schematic cross-sectional view of the locked condition of the sprocket, limit stop and handle.

In the figure: 1. a sprocket; 11. a drive shaft; 12. a key; 2. a handle; 21. a handle; 22. a sleeve; 23. a tip; 24. a keyway; 3. a limit baffle; 31. a helical rack; 32. a driven helical gear; 33. a driving bevel gear; 4. a compact shelving housing; 5. and a chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, the present invention provides an embodiment: a mechanical column lock protection device of an intelligent compact shelf comprises a chain wheel 1, a chain 5 and a compact shelf shell 4, wherein the chain wheel 1 is positioned inside the compact shelf shell 4, the chain wheel 1 is in transmission connection with the chain 5, a transmission shaft 11 is arranged in the middle of one end of the chain wheel 1, a positioning shaft is arranged at the other end of the chain wheel 1, the positioning shaft is movably connected with the compact shelf shell 4 or an internal support, keys 12 are arranged at the upper end and the lower end of the transmission shaft 11, the keys 12 are fixedly connected with the transmission shaft 11, the length of the keys 12 is smaller than that of the transmission shaft 11, and one end of the keys 12 is fixedly connected with the chain wheel; the compact shelving comprises a compact shelving shell 4, a handle 2 is arranged outside the compact shelving shell 4, one end of the handle 2, which is far away from the compact shelving shell 4, is provided with a handle 21, the other end of the handle 2 is provided with a sleeve 22, the upper end and the lower end of the inside of the sleeve 22 are both provided with key grooves 24, a transmission shaft 11 is positioned inside the sleeve 22, a limit baffle 3 is arranged between the sleeve 22 and a sprocket 1, the middle part of the limit baffle 3 is provided with a round hole, the transmission shaft 11 passes through the round hole, the upper end of one side of the limit baffle 3, which is far away from the sprocket 1, is provided with a helical rack 31, the helical rack 31 is fixedly connected with the limit baffle 3, a driven helical gear 32 and a driving helical gear 33 are arranged above the helical rack 31, wherein the middle part of the driven helical gear 32 is provided with, one end of a key shaft penetrates through the compact shelving shell 4, a key hole is formed in the end face of the outer side of the compact shelving shell 4, a key is inserted into the key hole to rotate the key shaft and drive the driving bevel gear 33 to rotate, the rotation range is preferably 180 degrees, namely the driving bevel gear 33 can rotate a half circle, the other end of the key shaft penetrates through the driving bevel gear 33 and is movably connected with the compact shelving shell 4 or an internal support, the driving bevel gear 33 is positioned above the driven bevel gear 32, the driving bevel gear 33 is in transmission connection with the driven bevel gear 32 and is vertical to the transmission direction, the driven bevel gear 32 is in transmission connection with the bevel rack 31, a rack limiting track is arranged on the inner side of the compact shelving shell 4, the rack limiting track is fixedly connected with the compact shelving shell 4, the bevel rack 31 is in sliding connection with the rack limiting track, the sliding direction is horizontal and vertical to the chain wheel 1, so that, the limit baffle 3 is driven to move in the axial direction of the transmission shaft 11.

Further, the sleeve 22 penetrates through the compact shelf shell 4, the sleeve 22 is movably connected with the compact shelf shell 4, a bearing can be further arranged between the sleeve 22 and the compact shelf shell 4, and the bearing is connected with the compact shelf shell 4 in a sliding mode, so that the handle 2 is shaken more smoothly.

Further, one end of the sleeve 22 far away from the handle 21 is provided with a tip 23, which facilitates the limit baffle 3 to push the handle 2.

Further, the length of the key groove 24 is greater than the length of the key 12, so that the moving depth of the sleeve 22 on the transmission shaft 11 is not limited.

Further, the diameter of the round hole is larger than the distance from the upper end of the key 12 positioned above the transmission shaft 11 to the lower end of the key 12 positioned below the transmission shaft 11, and the motion of the limit baffle 3 does not touch the transmission shaft 11, the key 12 and the chain wheel 1.

Further, the diameter of end 23 is greater than the diameter of round hole, prevents that end 23 card from going into limit baffle 3.

Further, the sum of the thickness of the spacing between one end of the handle 2 close to the compact shelving shell 4 and one end of the end 23 close to the chain wheel 1 and the thickness of the limiting baffle 3 is smaller than the spacing between one end of the handle 2 close to the compact shelving shell 4 and one end of the chain wheel 1 close to the handle 2, so that the handle 2 is prevented from being pushed forcibly to damage the limiting baffle 3 and the transmission structure of the key.

The working principle is as follows: in a locked state, as shown in fig. 7, the limit baffle 3 is driven by the key to push the handle 2 out, so that the handle 2 is not in transmission connection with the transmission shaft 11 and cannot drive the chain wheel 1 by rotation; under the state of unlocking, as shown in fig. 6, the limiting baffle 3 moves to a position close to the chain wheel 1 under the driving of the key, at the moment, the handle 21 can be held, the handle 2 is slightly pushed inwards while being rotated until the key groove 24 is matched with the key 12, at the moment, the handle 2 is in transmission connection with the chain wheel 1, the handle 2 is continuously pushed to the bottom end, and the compact shelf can be rotationally moved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an intelligent intensive's machinery is listed as lock protection device, includes sprocket (1), chain (5) and intensive shell (4), sprocket (1) is located intensive shell's (4) inside, sprocket (1) with chain (5) transmission is connected, the middle part of the one end of sprocket (1) is provided with transmission shaft (11), its characterized in that: keys (12) are arranged at the upper end and the lower end of the transmission shaft (11), the keys (12) are fixedly connected with the transmission shaft (11), the length of each key (12) is smaller than that of the transmission shaft (11), and one end of each key (12) is fixedly connected with the chain wheel (1); a handle (2) is arranged outside the compact shelf shell (4), one end of the handle (2) far away from the compact shelf shell (4) is provided with a handle (21), the other end of the handle (2) is provided with a sleeve (22), the upper end and the lower end of the inner part of the sleeve (22) are both provided with key grooves (24), the transmission shaft (11) is positioned inside the sleeve (22), a limit baffle (3) is arranged between the sleeve (22) and the chain wheel (1), the middle part of the limit baffle (3) is provided with a round hole, the transmission shaft (11) penetrates through the round hole, the upper end of one side of the limit baffle (3) far away from the chain wheel (1) is provided with an inclined rack (31), the inclined rack (31) is fixedly connected with the limit baffle (3), a driven helical gear (32) and a driving helical gear (33) are arranged above the inclined rack (31), the utility model discloses a compact shelving, including intensive shell (4), drive helical gear (33), driven helical gear (32) and helical rack (31) transmission are connected, the inboard of intensive shell (4) is provided with rack spacing track, rack spacing track with intensive shell (4) fixed connection, helical rack (31) with rack spacing track sliding connection, the slip direction level and perpendicular to sprocket (1).

2. The mechanical column lock protection device of the intelligent compact shelf as claimed in claim 1, wherein: the sleeve (22) penetrates through the compact shelf shell (4), and the sleeve (22) is movably connected with the compact shelf shell (4).

3. The mechanical column lock protection device of the intelligent compact shelf as claimed in claim 1, wherein: and a tip (23) is arranged at one end of the sleeve (22) far away from the handle (21).

4. The mechanical column lock protection device of the intelligent compact shelf as claimed in claim 1, wherein: the length of the key slot (24) is greater than the length of the key (12).

5. The mechanical column lock protection device of the intelligent compact shelf as claimed in claim 1, wherein: the diameter of the round hole is larger than the distance from the upper end of the key (12) above the transmission shaft (11) to the lower end of the key (12) below the transmission shaft (11).

6. The mechanical column lock protection device of the intelligent compact shelf as claimed in claim 3, wherein: the diameter of the end head (23) is larger than that of the round hole.