CN209839101U - Small hand wheel gear - Google Patents
Small hand wheel gear Download PDFInfo
- Publication number
- CN209839101U CN209839101U CN201920622912.0U CN201920622912U CN209839101U CN 209839101 U CN209839101 U CN 209839101U CN 201920622912 U CN201920622912 U CN 201920622912U CN 209839101 U CN209839101 U CN 209839101U
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- gear
- opening cavity
- hand wheel
- small hand
- cavity
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Abstract
The utility model discloses a small hand wheel gear relates to a gear, specifically includes the gear, the sunken formation in a side of gear supplies the annular opening cavity of strengthening rib installation, and the surface middle part of opening cavity is protruding upwards to be formed with cylindric rotation portion and stretch out the opening cavity, the one end of a plurality of strengthening ribs of global connection of rotation portion, and the axis of a plurality of strengthening ribs with rotation portion is radial equipartition as the center and arranges in the opening cavity, and the other end of strengthening rib extends and connects the inner peripheral surface of opening cavity, the bottom surface of opening cavity is connected to the strengthening rib simultaneously. The reinforcing rib strengthens the structural strength of the gear, and avoids the deformation of the peripheral surface of the opening cavity when the gear is used for a long time, thereby prolonging the service life of the gear; make the quick assembly disassembly of gear and circuit board simultaneously, be convenient for overhaul the circuit board to simplify the dismouting step, improve maintenance efficiency.
Description
Technical Field
The utility model relates to a gear specifically is a small hand wheel gear.
Background
An electronic hand wheel, i.e., a Manual Pulse Generator (also called a hand wheel, a hand Pulse Generator, a hand artery Generator, etc.), is used for setting a working origin, fine-tuning steps, interrupting insertion, etc. on a numerical control machine tool. The grating disk is rotated by the rotating gear, and the circuit board discontinuously receives photoelectric signals passing through gaps of the grating disk and performs circuit processing, so that conversion from mechanical motion physical vectors to digital values is realized. In the use process, the gear and the grating disc need to rotate in the positive and negative directions, and the reciprocating clearance of the positive and negative rotation directly influences the precision of the encoder.
The operation steps are more loaded down with trivial details when installing gear shaft seat for most current hand wheel gears to the short circuit condition appears easily with the circuit board contact easily in gear surface, influences the normal use of electron hand wheel, and the dismouting of gear shaft and hand wheel carousel is more loaded down with trivial details, influences maintenance efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small hand wheel gear to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a small hand wheel gear comprises a gear, wherein one side surface of the gear is sunken to form an annular opening cavity for installing reinforcing ribs, the middle part of the surface of the opening cavity is upwards protruded to form a cylindrical rotating part and extends out of the opening cavity, the top surface of the rotating part is connected with a rotating column, and a plurality of reinforcing ribs are arranged in the opening cavity to form a reinforcing structure; the protruding annular portion that is formed with in gear another side middle part, and the gear surface connection pivot of annular portion inner circle one end, the other end of pivot extends towards perpendicular gear surface direction and is formed with axle middle part and axle tip in proper order, and axle middle part surface depression is formed with annular mounting groove, and the top surface of axle tip has been seted up both ends and has been the open-ended constant head tank.
As a further aspect of the present invention: the gear is integrally formed into a solid ring body, and gear teeth are formed on the side peripheral surface of the solid ring body.
As a further aspect of the present invention: the circumferential surface of the rotating part is connected with one ends of the reinforcing ribs, the reinforcing ribs are radially and uniformly distributed in the open cavity by taking the axis of the rotating part as the center, the other ends of the reinforcing ribs extend and are connected with the inner circumferential surface of the open cavity, and meanwhile the reinforcing ribs are connected with the bottom surface of the open cavity.
As a further aspect of the present invention: the peripheral surface of the upper part of the gear corresponding to the outer end of the reinforcing rib is connected with a rubber block in a compounding way.
As a further aspect of the present invention: the inner peripheral surface of the annular part is in contact with the bottom peripheral surface of the rotating shaft so as to wrap the rotating shaft in the inner ring of the rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the reinforcing rib strengthens the structural strength of the gear, and avoids the deformation of the peripheral surface of the opening cavity when the gear is used for a long time, thereby prolonging the service life of the gear; the rubber block can avoid direct contact between the gear and the circuit board, and a certain insulation effect is achieved, so that the precision of an encoder of the electronic hand wheel is improved; the constant head tank is convenient for install with the corresponding position of hand wheel carousel simultaneously to carry out quick dismantlement and installation to the gear in the electron hand wheel, make the quick assembly disassembly of gear and circuit board, be convenient for overhaul the circuit board, thereby simplify the dismouting step, improve maintenance efficiency.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a schematic view of the reverse structure of the present invention.
Fig. 3 is a side view of the present invention.
As shown in the figure: gear 1, annular part 2, middle part 3, pivot 4, constant head tank 5, rotating part 6, rotation post 7, strengthening rib 8, rubber piece 9, tip 10.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, in the embodiment of the present invention, a small handwheel gear, including gear 1, gear 1 integrated into one piece is solid circle body and its side is global to take shape there is the teeth of a cogwheel, and the sunken annular opening cavity that supplies strengthening rib 8 installation of a side of gear 1, and the surface middle part of opening cavity is protruding upwards to be formed with cylindric rotation portion 6 and stretch out the opening cavity, and the top surface of rotation portion 6 is connected with rotation post 7, and the one end of rotating post 7 keeping away from rotation portion 6 can pass the hole on the circuit board and be connected with the drain pan rotation of electron hand wheel, thereby make gear 1 can rotate, the used material cost of gear 1 that can significantly reduce of purpose that sets up the opening cavity, but in order to guarantee gear 1's structural strength, can establish a plurality of strengthening ribs 8 in order to constitute reinforced structure in the opening cavity.
The one end of a plurality of strengthening ribs 8 of global connection of rotation portion 6, and a plurality of strengthening ribs 8 use the axis of rotation portion 6 to be radial equipartition as the center and arrange in the opening cavity, and the other end of strengthening rib 8 extends and connects the inner peripheral surface of opening cavity, the bottom surface of opening cavity is connected to strengthening rib 8 simultaneously, thereby strengthen gear 1's structural strength greatly, avoid gear 1 the condition that the opening cavity is global to be out of shape to appear when long-term the use, thereby gear 1's life has been prolonged, the manufacturing cost of enterprise has been saved, and the result of use of electron hand wheel has been guaranteed.
The peripheral compound connection in 1 upper portion of gear that 8 outer ends of strengthening rib correspond has rubber piece 9, installs gear 1 again behind the gear shaft seat, and the opening cavity terminal surface of gear 1 is in the butt joint face with the circuit board to make rubber piece 9 can avoid the direct contact of gear 1 with the circuit board, played certain insulating effect, thereby improved the precision of the encoder of electron hand wheel.
The protruding annular portion 2 that is formed with in gear 1 another side middle part, and the one end of pivot 4 is connected on the gear 1 surface of 2 inner circles in annular portion, and the inner peripheral surface of annular portion 2 and the global contact in bottom of pivot 4, and annular portion 2 wraps up pivot 4 at its inner circle to guarantee the fastening fastness that pivot 4 connects.
The other end of pivot 4 extends towards 1 surperficial direction of perpendicular gear and is formed with axle middle part 3 and axle tip 10 in proper order, and 3 surperficial sunkenings in axle middle part are formed with annular mounting groove, thereby be convenient for and the casing that corresponds the electronic hand wheel be connected, and the top surface of axle tip 10 is seted up both ends and is open-ended constant head tank 5, thereby be convenient for fix a position the installation with the corresponding position of hand wheel carousel, thereby carry out quick dismantlement and installation to gear 1 in the electronic hand wheel, make the quick assembly disassembly of gear 1 and circuit board, be convenient for overhaul the circuit board, thereby simplify the dismouting step, the maintenance efficiency is improved.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A small hand wheel gear comprises a gear (1) and is characterized in that one side face of the gear (1) is sunken to form an annular opening cavity for installing a reinforcing rib (8), the middle part of the surface of the opening cavity is upwards protruded to form a cylindrical rotating part (6) and extends out of the opening cavity, the top surface of the rotating part (6) is connected with a rotating column (7), and a plurality of reinforcing ribs (8) are arranged in the opening cavity to form a reinforcing structure; gear (1) another side middle part is protruding to be formed with annular portion (2), and gear (1) surface connection pivot (4) the one end of annular portion (2) inner circle, the other end of pivot (4) extends towards vertical gear (1) surface direction and is formed with axle middle part (3) and axle tip portion (10) in proper order, and axle middle part (3) surface depression is formed with annular mounting groove, and the top surface of axle tip portion (10) is seted up both ends and is open-ended constant head tank (5).
2. A small hand wheel gear according to claim 1, characterised in that the gear wheel (1) is formed integrally as a solid ring body with gear teeth formed on its side circumference.
3. The small hand wheel gear according to claim 1, characterized in that the periphery of the rotating part (6) is connected with one end of a plurality of reinforcing ribs (8), the reinforcing ribs (8) are radially and uniformly arranged in the open cavity by taking the axis of the rotating part (6) as the center, the other end of the reinforcing rib (8) extends and is connected with the inner peripheral surface of the open cavity, and the reinforcing rib (8) is connected with the bottom surface of the open cavity.
4. The small hand wheel gear according to claim 1, characterized in that the peripheral surface of the upper part of the gear (1) corresponding to the outer end of the reinforcing rib (8) is connected with a rubber block (9) in a compounding way.
5. A small hand wheel gear according to claim 1, characterised in that the inner periphery of the ring-shaped portion (2) is in contact with the bottom periphery of the shaft (4) so that it wraps the shaft (4) around its inner periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622912.0U CN209839101U (en) | 2019-05-05 | 2019-05-05 | Small hand wheel gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622912.0U CN209839101U (en) | 2019-05-05 | 2019-05-05 | Small hand wheel gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839101U true CN209839101U (en) | 2019-12-24 |
Family
ID=68915566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920622912.0U Active CN209839101U (en) | 2019-05-05 | 2019-05-05 | Small hand wheel gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839101U (en) |
-
2019
- 2019-05-05 CN CN201920622912.0U patent/CN209839101U/en active Active
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