CN218070769U - Simple hand-operated mechanism - Google Patents

Abstract

The utility model relates to a hand mechanism of plain type, which comprises an outer shell, still include the operating axis, first gear dish, second gear dish and operating head, the operating axis is provided with the heliciform arch that the drive drawer passed in and out with shell normal running fit and periphery, the operating head is fixed in the operating axis front end and is provided with the operation groove of inserting the cooperation with operating handle, first gear dish is fixed in operating axis and periphery and is provided with a gear piece, second gear dish rotates and sets up and be provided with three gear groove in shell and periphery, the gear piece switches at three gear inslot in proper order when the operating axis is rotatory. With the adoption of the scheme, the utility model provides a compact structure, practice thrift cost, the laborsaving hand mechanism of plain type of operation.

Description

Simple hand-operated mechanism

Technical Field

The utility model relates to a low pressure pull-out type cubical switchboard accessory field, concretely relates to hand mechanism of plain type.

Background

For the electrical equipment of the low-voltage draw-out type switch cabinet, the drawer has a perfect locking function and has three positions of connection, test and separation, and the three positions all have mechanical positioning devices, so that the drawer is not allowed to be directly connected from the separation to the connection state due to the action of external force.

In order to solve and use hand power mechanism in the user meets the undercurrent, the hand formula mechanism is used to the heavy current, thereby because of the great messenger two mechanisms of market mechanism volume can not use in combination at present, traditional hand formula mechanism adopts the reduction gear principle to need can reach the effect more than four gears, leads to the volume to be difficult to reduce.

Disclosure of Invention

To the deficiency that prior art exists, the utility model aims to provide a compact structure, practice thrift cost, the laborsaving hand mechanism of plain type of operation.

In order to achieve the above purpose, the utility model provides a following technical scheme: including the shell, its characterized in that: still include operation axis, first gear dish, second gear dish and operating head, operation axis and shell normal running fit and periphery be provided with the heliciform arch of drive drawer business turn over, the operating head be fixed in the operation axis front end and be provided with the operating handle insert the operation groove of joining in marriage, first gear dish be fixed in operation axis and periphery and be provided with a gear piece, second gear dish rotate to set up and be provided with three gear groove in shell and periphery, the operation axis rotatory time gear piece switch at three gear inslot in proper order.

Through adopting above-mentioned technical scheme, by the intermittent type formula linkage mode between first gear dish and the second gear dish, replace many reduction gear transmission structure of tradition, make the structure more compact, practice thrift the cost to satisfy hand power mechanism and hand mechanism and merge the demand of using, in addition, the heliciform arch passes through the mode push-and-pull drawer of screw thread, makes the push-and-pull more laborsaving.

The utility model discloses further set up to: the periphery of the second gear disc is positioned between adjacent gear grooves, and an arc-shaped transition surface matched with the peripheral shape of the first gear disc is arranged.

Through adopting above-mentioned technical scheme, add the arc transition face, make the transition of first gear dish periphery and second gear dish periphery behind the gear piece breaks away from the gear groove more smooth and easy.

The utility model discloses further set up to: the operating shaft front end be provided with the rectangle arch, first gear dish offset and operating shaft front end terminal surface and be provided with and supply the rectangle arch to pass and with the protruding mounting hole of unanimous of rectangle shape, the protruding and operating head rear end of rectangle insert and join in marriage and fixed by first thread tightening spare.

Through adopting above-mentioned technical scheme, the rectangle arch is used for cooperating the operating head when being fixed in the operating axis with the operating head, is fixed in the operating axis with first gear dish, makes fixed knot construct more retrencied.

The utility model discloses further set up to: the second gear disc end face is provided with an arc-shaped limiting groove along the circumferential direction, the shell is fixedly provided with a limiting rod penetrating through the arc-shaped limiting groove, and the gear blocks are located in the gear grooves of different ends when the limiting rod is located at different end parts of the arc-shaped limiting groove.

Through adopting above-mentioned technical scheme, the maximum operating range of gag lever post and the cooperation of arc spacing groove restriction second gear dish avoids the operation of overtravel, improves device stability.

The utility model discloses further set up to: the second gear dish terminal surface be provided with two feedback breachs, the shell fixed decorative board that is provided with, decorative board be provided with sunken towards second gear dish terminal surface, sunken in be provided with the feedback round pin and with the spring that the feedback round pin resets to second gear dish terminal surface, second gear dish when rotatory the feedback round pin respectively with the spacing cooperation of different feedback breach, the feedback round pin gear piece be located the gear inslot of difference end when being located different feedback breachs.

Through adopting above-mentioned technical scheme, add limit structure on decorative board and the decorative board, the feedback round pin receives the spring action of spring and pushes up feedback breach when the gear piece reachs the gear groove that is located the tip, forms the sound feedback of metal striking, reminds the user operation to target in place, gives certain operation damping simultaneously, avoids random transform position.

The utility model discloses further set up to: the decorative board include fixed part and cooperation portion, fixed part and mechanism casing paste mutually and fixed by second threaded fastener, the cooperation portion be located the opposite side of second gear dish relative mechanism casing, the sunken cooperation portion department that is located.

Through adopting above-mentioned technical scheme, the decorative board forms the module together with the feedback round pin, and the fixed part makes both relative mechanism casings can dismantle, improves the convenient degree of assembly and maintenance, simultaneously, by cooperation portion and the cooperation of mechanism casing, forms the spacing space of feedback round pin, makes the spacing cooperation of feedback round pin more stable.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of the present invention with the decorative panel removed;

FIG. 3 is a perspective view of an embodiment of the present invention with the decorative panel removed and the operation of the invention;

FIG. 4 is a front view of an embodiment of the present invention;

FIG. 5 is a perspective view of an operating head according to an embodiment of the present invention;

FIG. 6 is a perspective view of a second shift disk in accordance with an embodiment of the present invention;

FIG. 7 is a perspective view of a first shift disk according to an embodiment of the present invention;

FIG. 8 is a perspective view of the trough plate;

fig. 9 is a schematic diagram of the hand-operated mechanism and the hand-pulling mechanism.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-7, the utility model discloses a hand mechanism of plain type, including shell 1, operating axle 2, gear device, stop device and feedback device, operating axle 2 is provided with the heliciform arch 21 (with the cooperation of fig. 8 slot type board 3 outside being located the drawer) of drive drawer business turn over with 1 normal running fit and periphery of shell, and 2 front ends of operating axle are fixed with operating head 22 (fig. 5), and operating head 22 is provided with inserts the operation groove 221 of joining in marriage with operating handle.

The gear device comprises a first gear disc 31 (shown in fig. 7) and a second gear disc 32 (shown in fig. 6), wherein the first gear disc 31 is fixed on the operating shaft 2, a gear block 311 is arranged on the periphery of the first gear disc 31, the second gear disc 32 is rotatably arranged on the housing 1, three gear grooves 321 are formed in the periphery of the second gear disc 32, the gear block 311 is sequentially switched in the three gear grooves 321 when the operating shaft 2 rotates, an arc transition surface 322 which is matched with the peripheral shape of the first gear disc 31 is arranged between the adjacent gear grooves 321 on the periphery of the second gear disc 32, dislocation prevention points 323 which guide the gear block 311 to accurately enter the gear grooves 321 are arranged at two ends of the arc transition surface 322, and avoiding grooves 313 which avoid the dislocation prevention points 323 are respectively arranged on two sides of the gear block 311.

The front end of the operating shaft 2 is provided with a rectangular protrusion 23, the first gear plate 31 abuts against the front end face of the operating shaft 2 and is provided with a mounting hole 312 for the rectangular protrusion 23 to penetrate and be consistent with the rectangular protrusion 23 in shape, the rectangular protrusion 23 is inserted and matched with the rear end of the operating head 22 and is fixed by a first thread fixing piece, the first thread fixing piece can be a bolt, the first thread fixing piece is not shown in the drawing, a threaded hole represents the position of the first thread fixing piece, and in order to increase the limiting area of the operating head 22 on the first gear plate 31, the rear end of the operating head 22 is provided with a skirt 222.

Wherein, stop device includes arc spacing groove 41 and gag lever post 42, and arc spacing groove 41 sets up second gear dish 32 terminal surface along circumference, and gag lever post 42 is fixed in shell 1 and passes arc spacing groove 41, and gear piece 311 is located the gear groove 321 of different ends when gag lever post 42 is located the different tip in arc spacing groove 41, and gag lever post 42 can adopt the bolt.

Wherein, feedback device includes feedback breach 51 and feedback round pin 52, feedback breach 51 quantity is two and is located the same circumference of second gear dish 32 terminal surface relative rotation center, the fixed decorative board 53 that is provided with of shell 1, decorative board 53 is provided with sunken 531 towards second gear dish 32 terminal surface, be provided with in the sunken 531 with feedback round pin 52 to the spring 54 that second gear dish 32 terminal surface reset, feedback round pin 52 is spacing cooperation with different feedback breachs 51 respectively when second gear dish 32 is rotatory, gear piece 311 is located the gear groove 321 of difference end when feedback round pin 52 is located different feedback breachs 51.

The decorative plate 53 includes a fixing portion 532 and a fitting portion 533, the fixing portion 532 is attached to the mechanism housing and fixed by a second screw fastener, the second screw fastener is a bolt, the fitting portion 533 is located on the other side of the second shift disk 32 opposite to the mechanism housing, and the recess 531 is located at the fitting portion 533.

During operation, a user swings the operating head 22 clockwise to represent that the operating head is switched from a disconnected state to a connected state, the first gear disc 31 is driven to rotate during swinging, the second gear disc 32 is driven to rotate by the first gear disc 31, the gear block 311 of the first gear disc 31 is screwed out of the gear groove 321 and then is screwed into the next gear groove 321 to form a stroke, two strokes are needed from a disconnected point to a connected point, the number of the gear grooves 321 is three, when the first gear disc 31 rotates for two circles, the second gear disc 32 does not have the arc-shaped transition surface 322 on the periphery, operation cannot be continued, meanwhile, the limiting rod 42 of the limiting device is clamped at the end of the arc-shaped limiting groove 41 to form a double limiting structure, damage of the device is avoided, in addition, the feedback pin 52 is pushed into the feedback notch 51 (connected state) to form sound feedback of metal impact at the moment, the user is reminded of operating in place, otherwise, the feedback pin 52 is pushed into the other feedback notch 51 (disconnected state) to form sound feedback of metal impact at the moment, and the user is reminded of operating in place.

As shown in fig. 9, the hand-operated mechanism a and the hand-pulling mechanism b are schematically combined and arranged side by side, the hand-pulling mechanism b has a movable plug b1, and the plug b1 is staggered with the operating head 22 when the hand-operated mechanism a needs to be operated.

Claims (6)

1. The utility model provides a hand mechanism of plain type, includes the shell, its characterized in that: still include operation axis, first gear dish, second gear dish and operating head, operation axis and shell normal running fit and periphery be provided with the heliciform arch of drive drawer business turn over, the operating head be fixed in the operation axis front end and be provided with the operating handle insert the operation groove of joining in marriage, first gear dish be fixed in operation axis and periphery and be provided with a gear piece, second gear dish rotate to set up and be provided with three gear groove in shell and periphery, the operation axis rotatory time gear piece switch at three gear inslot in proper order.

2. A simplified hand-operated mechanism according to claim 1, characterised in that: the periphery of the second gear disc is positioned between adjacent gear grooves, and an arc-shaped transition surface matched with the peripheral shape of the first gear disc is arranged.

3. A simplified hand-operated mechanism according to claim 1, characterised in that: the operation axle front end be provided with the rectangle arch, first gear dish offset and operation axle front end terminal surface and be provided with and supply the rectangle arch to pass and with the protruding mounting hole of unanimous of rectangle shape, the protruding and operation head rear end of rectangle insert and join in marriage and fixed by first thread tightening spare.

4. A simplified hand-operated mechanism according to claim 1, characterised in that: the second gear disc end face is provided with an arc-shaped limiting groove along the circumferential direction, the shell is fixedly provided with a limiting rod penetrating through the arc-shaped limiting groove, and the gear blocks are located in the gear grooves of different ends when the limiting rod is located at different end parts of the arc-shaped limiting groove.

5. The simplified hand-operated mechanism according to claim 1, wherein: second gear dish terminal surface be provided with two feedback gaps, the shell fixed be provided with the decorative board, the decorative board be provided with towards second gear dish terminal surface sunken, sunken in be provided with the feedback round pin and with the spring that the feedback round pin resets to second gear dish terminal surface, second gear dish when rotatory the feedback round pin respectively with the spacing cooperation of different feedback gaps, the feedback round pin be located the gear inslot of different ends when different feedback gaps.

6. A simplified hand-operated mechanism according to claim 5, characterised in that: the decorative board include fixed part and cooperation portion, fixed part and mechanism casing paste mutually and fixed by second screw thread mounting, cooperation portion be located the opposite side of second gear dish relative mechanism casing, the sunken cooperation portion department that is located.

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