CN212429662U - A manual gear rack moving mechanism - Google Patents

Abstract

The utility model discloses a manual rack and pinion moving mechanism, relating to the field of parallel moving devices, comprising a rack, a moving groove, a gear and a handle, wherein the rack is arranged in the moving groove; the gear comprises an outer wheel, a rotating wheel and an arbor wheel from outside to inside, the rotating wheel is respectively connected with the outer wheel and the arbor wheel in a rotating way, a through limiting groove is arranged on the rotating wheel, the limiting groove comprises a sliding groove and a positioning groove from outside to inside, a magnet block fixed on the arbor wheel is arranged in the positioning groove, an elastic locking mechanism capable of being attracted by the magnet block is arranged in the sliding groove, a locking groove matched with the elastic locking mechanism is arranged in the inner circle of the outer wheel, and the gear is meshed with the rack and is connected with the moving groove through the arbor wheel; the handle is rotationally connected with the moving groove, a shifting block is arranged on the handle, and the end part of the shifting block is abutted to the gear; the utility model discloses a manual pulling handle has realized one-way movement to through the setting of injecing the strip, make moving mechanism can reply originated position, and simple structure, convenient operation is applicable to small-size mechanical device.

Description

Manual rack and pinion moving mechanism

Technical Field

The utility model relates to a parallel translation device field especially relates to a manual gear rack moving mechanism.

Background

In the present various mechanical architecture devices, mechanisms capable of performing parallel movement are very common, such as a screw rod structure, an air cylinder drive, a motor drive, and the like, and the various structures all have respective advantages and disadvantages, wherein the air cylinder drive and the motor drive generally use an air cylinder and a motor to drive a moving device, the air cylinder generally needs to be controlled by a solenoid valve, the motor also needs to be performed in an energized state, and the mechanism is inconvenient to use in a small moving mechanism.

For example, a "novel mobile device" disclosed in chinese patent literature, its publication No. CN109809128A, which discloses a novel mobile device, the novel mobile device includes a base, a slide plate disposed on the base and used for moving, a driving component for driving the slide plate to move, and a transmission component for connecting the base and the driving component, the transmission component includes a rack disposed on the base, a gear engaged with the rack and connected with the driving component, the driving component drives the gear and the rack to move to drive the slide plate to move, however, the utility model realizes moving by driving the gear with a motor, which is inconvenient to use in a small-sized moving mechanism.

Disclosure of Invention

The utility model relates to an overcome present cylinder drive, motor drive and use cylinder, motor usually to drive mobile device, and the cylinder needs solenoid valve control usually, and the motor also needs to go on under the on state, and it uses inconvenient scheduling problem in miniature moving mechanism, has provided a manual gear rack moving mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a manual gear rack moving mechanism comprises a rack, a moving groove, a gear and a handle, wherein the rack is arranged in the moving groove; the gear comprises an outer wheel, a rotating wheel and an arbor wheel from outside to inside, the rotating wheel is respectively connected with the outer wheel and the arbor wheel in a rotating mode, a through limiting groove is formed in the rotating wheel, the limiting groove comprises a sliding groove and a positioning groove from outside to inside, a magnet block fixed on the arbor wheel is arranged in the positioning groove, an elastic locking mechanism capable of being attracted by the magnet block is arranged in the sliding groove, a locking groove matched with the elastic locking mechanism is formed in the inner circle of the outer wheel, and the gear is meshed with the rack and connected with the moving groove through the arbor wheel; the handle is connected with the moving groove in a rotating mode, the handle is provided with a shifting block, and the end portion of the shifting block is abutted to the gear.

When the utility model is used, the handle is pulled, at the moment, the gear can be driven to rotate when the handle is pulled in the forward direction due to the fact that the handle is provided with the pulling block and the end part of the pulling block is abutted against the gear, the gear comprises the outer wheel, the rotating wheel and the arbor wheel from outside to inside, when the gear is pulled by the handle to rotate, the outer wheel can rotate at first, the friction force between the outer wheel and the rotating wheel is larger, and the elastic locking mechanism is locked with the locking groove, so the rotating wheel can be driven to rotate when the outer wheel rotates, at the moment, the limiting groove in the rotating wheel can also rotate along with the rotation, when the magnet block in the positioning groove is abutted against one side of the positioning groove, at the moment, the rotating wheel can stop moving, and the magnet block can attract the elastic locking mechanism, so that the elastic locking mechanism is separated from the locking groove, at the moment, the handle is continuously pulled, the outer wheel continues to rotate, and the gear is engaged with the rack and connected with the moving groove through the arbor wheel, therefore, the moving groove can move along the parallel of the rack, when the wrench is pulled to the bottom, when the wrench needs to be pulled back, the gear can be driven to rotate back, but the friction force between the outer wheel and the rotating wheel is large, the limiting groove can also rotate along with the rotation of the rotating wheel, meanwhile, the magnet block can slowly break away from the attraction position and is abutted against the other side of the positioning groove, after the elastic locking mechanism loses the attraction force, the elastic locking mechanism can be matched with the locking groove to lock the outer wheel and the rotating wheel, after the outer wheel is locked, the gear does not rotate, the phenomenon of gear rotation cannot occur when the handle is pulled back, the moving groove cannot move back, when the handle is pulled back to the bottom, and then the moving groove can move forward, and the unidirectional movement of the moving groove on the rack is realized by repeating the steps.

Preferably, the positioning groove comprises a storage groove and a connecting groove connected with the sliding groove, and the magnet block is arranged in the storage groove and has a width smaller than that of the storage groove.

The constant head tank includes hold up tank and spread groove, the spread groove sets up the top in hold up tank one side, a be used for connecting the hold up tank and the groove that slides, when the handle forward is pulled, the magnet piece can be equipped with one side butt of spread groove with the hold up tank, the magnet piece is in same straight line with the spread groove with the groove that slides this moment, consequently, can attract elastic locking mechanism, because the width of magnet piece is less than the width of hold up tank, when the handle reverse is pulled this moment, the magnet piece can keep away from one side butt of spread groove with the hold up tank, the spread groove has been kept away from to the magnet piece this moment and the groove that slides, thereby make elastic locking mechanism lose and.

Preferably, the sliding slot comprises a spring slot and a slider slot, the width of the slider slot is greater than that of the spring slot, and the elastic locking mechanism comprises a spring arranged in the spring slot and a slider arranged in the slider slot.

When the elastic locking mechanism is attracted, the sliding block moves downwards due to attraction and is separated from the locking groove, the spring is in a compressed state, and after the elastic locking mechanism loses attraction, the spring rebounds upwards to push the sliding block into the locking groove, so that the outer wheel and the rotating wheel are locked.

Preferably, a limiting bar for preventing the magnet block from shifting is arranged in the storage groove in a sliding mode, and the end portion of the limiting bar penetrates through the moving groove and extends out of the moving groove.

In order to further solve the moving mechanism after unidirectional movement, can't reply its problem of position, the utility model discloses set up the injecing strip in the hold up tank, and the injecing strip other end runs through the shift gate and extends outside the shift gate, when gear forward rotation, the magnet piece can attract elastic locking mechanism, this moment through stir the injecing strip outside the shift gate, it can insert the magnet piece region to injecing the strip, make the magnet piece fix in the hold up tank, when gear reverse rotation this moment, elastic locking mechanism also can not lose the attraction of magnet piece, the foreign steamer can not lock with the rotating wheel yet, thereby can reply originated position with the shift gate.

Preferably, the end of the limiting bar outside the moving groove is provided with an adjusting hand.

The regulating hand is convenient to stir the limiting strip to be inserted and pulled out.

Preferably, the end of the toggle block is provided with a notch matched with the gear.

Preferably, the poking block is connected with the handle through a torsion spring.

The tip of dialling the piece is equipped with the breach, and when the handle forward was pulled, the tip of dialling the piece can support the teeth of a cogwheel and make its forward pull, when the handle reverse is pulled, because the gear is motionless, the piece of dialling also can be through the resilience force of torsional spring and the different teeth of a cogwheel of gear firmly butt.

Preferably, the handle is rotatably connected with two sides of the moving groove through a rotating column, and the rotating column and the shaft wheel are coaxial.

Preferably, the top end of the handle is provided with a round ball.

Preferably, a friction layer is provided between the outer wheel and the rotating wheel.

The friction layer can increase the friction between the outer wheel and the rotating wheel, so that the outer wheel can drive the rotating wheel more easily when rotating.

Therefore, the utility model discloses following beneficial effect has:

(1) the utility model realizes one-way movement by manually pulling the handle, and the moving mechanism can return to the initial position by arranging the limiting strip;

(2) the utility model discloses simple structure, convenient operation is applicable to small-size mechanical device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the gear in the rotating state of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a position a of the present invention.

Fig. 4 is an enlarged schematic view of a partial structure of the gear of the present invention in another rotation state.

Fig. 5 is another schematic cross-sectional structure of the gear and the moving groove of the present invention.

Fig. 6 is an enlarged schematic view of the structure at the position B of the present invention.

Fig. 7 is a schematic diagram of the structure of the limiting strip of the present invention when inserted.

In the figure: the sliding mechanism comprises a rack 1, a moving groove 2, a gear 3, an outer wheel 31, a locking groove 311, a rotating wheel 32, a shaft wheel 33, a limiting groove 34, a sliding groove 341, a positioning groove 342, an elastic locking mechanism 343, a storage groove 344, a connecting groove 345, a spring groove 346, a slider groove 347, a spring 348, a slider 349, a limiting strip 351, an adjusting hand 352, a magnet block 35, a friction layer 36, a handle 4, a rotating column 41, a ball 42, a toggle block 5, a notch 51 and a torsion spring 52.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example (b): as shown in fig. 1, the manual gear rack moving mechanism comprises a gear rack 1, a moving groove 2, a gear 3 and a handle 4, wherein the gear rack 1 is arranged in the moving groove 2; the handle 4 is rotatably connected with two sides of the moving groove 2 through a rotating column 41, the rotating column 41 and the shaft wheel 33 are coaxial, and a round ball 42 is arranged at the top end of the handle 4.

As shown in fig. 2-4, the gear 3 includes an outer wheel 31, a rotating wheel 32 and an arbor wheel 33 from outside to inside, the rotating wheel 32 is rotatably connected with the outer wheel 31 and the arbor wheel 33, respectively, a friction layer 36 is disposed between the outer wheel 31 and the rotating wheel 32, a through limiting groove 34 is disposed on the rotating wheel 32, the limiting groove 34 includes a sliding groove 341 and a positioning groove 342 from outside to inside, the positioning groove 342 includes a storage groove 344 and a connecting groove 345 connected with the sliding groove 341, and the magnet block 35 is disposed in the storage groove 344 and has a width smaller than that of the storage groove 344; a magnet block 35 fixed on the shaft wheel 33 is arranged in the positioning groove 342, an elastic locking mechanism 343 capable of being attracted by the magnet block 35 is arranged in the sliding groove 341, the sliding groove 341 comprises a spring groove 346 and a slider groove 347, the width of the slider groove 347 is larger than that of the spring groove 346, the elastic locking mechanism 343 comprises a spring 348 arranged in the spring groove 346 and a slider 349 arranged in the slider groove 347, the inner circle of the outer wheel 31 is provided with a locking groove 311 matched with the elastic locking mechanism 343, and the gear 3 is meshed with the rack 1 and is connected with the moving groove 2 through the shaft wheel 33; as shown in fig. 5 to 7, a limiting bar 351 for preventing the magnet block 35 from being displaced is slidably disposed in the storage groove 344, an end of the limiting bar 351 extends through the moving groove 2 and out of the moving groove 2, and an end of the limiting bar 351 located out of the moving groove 2 is provided with an adjusting hand 352.

As shown in fig. 1-2, the handle 4 is rotatably connected to the moving slot 2, a toggle block 5 is disposed on the handle 4, the toggle block 5 is connected to the handle through a torsion spring 52, and a notch 51 matched with the gear 3 is disposed at an end of the toggle block 5 and abuts against the gear 3.

When the utility model is used, the handle is pulled in the forward direction, at this time, because the handle 4 is provided with the pulling block 5, and the end part of the pulling block 5 is provided with the notch and is abutted against the gear 3, the gear can be driven to rotate when the handle is pulled in the forward direction, because the gear comprises the outer wheel 31, the rotating wheel 32 and the shaft wheel 33 from outside to inside, when the gear is pulled to rotate by the handle, the outer wheel can rotate at first, the friction force between the outer wheel and the rotating wheel 32 is larger, and because the sliding block 349 is pushed into the locking groove, the outer wheel and the rotating wheel are locked with each other, the rotation can be driven when the outer wheel rotates, as shown in figure 3, at this time, the limiting groove 34 in the rotating wheel 32 can also rotate, and the magnet block 35 can be abutted against one side of the connecting groove with the storage groove, at this time, the magnet block 35 is in the same straight line with the connecting groove and the sliding groove, so that the sliding block 349 in the elastic locking mechanism 343 can, so that the sliding block is separated from the locking groove 311, at this time, the handle is pulled continuously, the outer wheel 31 is rotated continuously, the gear 3 is meshed with the rack 1 and is connected with the moving groove 2 through the shaft wheel 33, so the moving groove 2 can move along the rack 1 in parallel, when the wrench is pulled to the bottom and needs to be pulled back, the gear is driven to rotate back, but the friction force between the outer wheel and the rotating wheel 32 is large, as shown in fig. 4, the limiting groove 34 can also rotate along with the rotation of the rotating wheel 32, meanwhile, the width of the magnet block 35 is smaller than that of the storage groove, at this time, when the handle is pulled reversely, the magnet block 35 can be separated from the attraction position slowly and is abutted against one side of the storage groove far from the connection groove, at this time, because the magnet block 35 is far from the connection groove and the sliding groove, the sliding block is attracted, the spring rebounds upwards to push the sliding block 349 into the locking groove, therefore, the outer wheel 31 and the rotating wheel are locked, after the outer wheel is locked, the gear does not rotate, the phenomenon that the gear rotates cannot occur when the handle is pulled back, the moving groove 2 cannot move back, when the handle is pulled back to the bottom and pulled forward again, the moving groove 2 can move forward, and therefore the one-way movement of the moving groove on the rack is achieved. When the moving chute 2 needs to be restored to the initial position, because when the gear rotates in the forward direction, the magnet block 35 can attract the sliding block, so that the rotating wheel and the outer wheel are in an unlocked state as shown in fig. 6, at the moment, the limiting strip can be inserted into the magnet block 35 region by poking the limiting strip outside the moving chute 2, so that the magnet block 35 is fixed in the storage tank as shown in fig. 7, at the moment, when the gear rotates in the reverse direction, the sliding block cannot lose the attraction of the magnet block 35, the outer wheel 31 cannot be locked with the rotating wheel, and the moving chute 2 can be restored to the initial position.

Claims (10)

1. A manual rack and pinion moving mechanism, characterized in that it comprises a rack (1), a moving slot (2), a gear (3) and a handle (4), and the rack (1) is arranged in the moving slot ( 2) inside; The gear (3) includes an outer wheel (31), a rotating wheel (32) and an axle wheel (33) from the outside to the inside, and the rotating wheel (32) is respectively rotatably connected with the outer wheel (31) and the axle wheel (33). The rotating wheel (32) is provided with a through limiting groove (34), the limiting groove (34) includes a sliding groove (341) and a positioning groove (342) from the outside to the inside, and the positioning groove (342) is provided with The magnet block (35) fixed on the axle wheel (33), the sliding groove (341) is provided with an elastic locking mechanism (343) that can be attracted by the magnet block (35), the inner circle of the outer wheel (31) There is a locking groove (311) matched with the elastic locking mechanism (343), the gear (3) is engaged with the rack (1) and is connected with the moving groove (2) through the axle wheel (33); The handle (4) is rotatably connected with the moving groove (2), and a toggle block (5) is provided on the handle (4), and the end of the toggle block (5) is in contact with the gear (3). 2. A manual rack and pinion moving mechanism according to claim 1, wherein the positioning groove (342) comprises a storage groove (344) and a connecting groove (345) connected with the sliding groove (341), The magnet block (35) is arranged in the storage slot (344), and the width is smaller than the width of the storage slot (344). 3. A manual rack and pinion moving mechanism according to claim 1, wherein the sliding groove (341) comprises a spring groove (346) and a sliding block groove (347), and the sliding groove (347) has a The width is greater than that of the spring groove (346), and the elastic locking mechanism (343) includes a spring (348) arranged in the spring slot (346) and a slider (349) arranged in the slider slot (347). 4. A manual rack and pinion moving mechanism according to claim 2, characterized in that a limiting bar (351) for preventing the displacement of the magnet block (35) is slidably provided in the storage groove (344), so The end of the limiting strip (351) penetrates through the moving groove (2) and extends outside the moving groove (2). 5 . The manual rack and pinion moving mechanism according to claim 4 , wherein an adjusting hand ( 352 ) is provided at the end of the limiting bar ( 351 ) outside the moving groove ( 2 ). 6 . 6. A manual rack and pinion moving mechanism according to any one of claims 1-5, characterized in that, the end of the toggle block (5) is provided with a notch (51) that cooperates with the gear (3). . 7 . The manual rack and pinion moving mechanism according to claim 6 , wherein the toggle block ( 5 ) is connected to the handle through a torsion spring ( 52 ). 8 . 8. A manual rack and pinion moving mechanism according to any one of claims 1-5, wherein the handle (4) is rotatably connected to both sides of the moving groove (2) through a rotating column (41), so The rotating column (41) is coaxial with the axle wheel (33). 9 . The manual rack and pinion moving mechanism according to any one of claims 1 to 5 , wherein a ball ( 42 ) is provided at the top of the handle ( 4 ). 10 . 10. A manual rack and pinion moving mechanism according to any one of claims 1-5, wherein a friction layer (36) is provided between the outer wheel (31) and the rotating wheel (32).

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