CN210990200U - Automatic lifting mechanism of optometry instrument - Google Patents
Automatic lifting mechanism of optometry instrument Download PDFInfo
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- CN210990200U CN210990200U CN201921218232.9U CN201921218232U CN210990200U CN 210990200 U CN210990200 U CN 210990200U CN 201921218232 U CN201921218232 U CN 201921218232U CN 210990200 U CN210990200 U CN 210990200U
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- slide bar
- wall
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Abstract
The utility model provides an automatic elevating system of refractometer relates to refractometer lift technical field, including the mounting panel, the bottom outer wall of mounting panel is fixed even has two supporting legs, and the vertical insertion in inside of mounting panel is equipped with supplementary slide bar, and the surface of supplementary slide bar runs through two upper and lower walls of mounting panel, the surface and the mounting panel sliding connection of supplementary slide bar, and the mounting panel upper end surface is connected with stop device for the fixed position of supplementary slide bar. The utility model discloses in, driving motor drives the second gear rotation, make second gear pulling traction spring rotate for the tooth piece, thereby make first gear stall, when keeping off the tooth piece and rotating the one end that the second gear has the tooth, the second gear is engaged with first gear again, make first gear follow second gear rotation, thereby make first gear follow second gear rotation round stop once, the screw rod is followed driving motor pivoted in-process and is had the pause, reduce the error that the operating time that closes driving motor leads to.
Description
Technical Field
The utility model relates to an optometry appearance lift technical field especially relates to an optometry appearance automatic lifting mechanism.
Background
The optometry is to examine the gathering condition of light after entering eyeball, and it measures the gathering and scattering difference degree between the examined eye and the emmetropia eye by taking the emmetropia eye state as standard.
The problems existing in the lifting process of the optometry instrument are as follows: the existing optometry instrument adopts a motor to drive a screw rod to lift, the motor is stopped to lift when the screw rod is lifted to a specified height, and a time difference exists between the optometry instrument and the motor, so that the position where the optometry instrument stays is deviated between specified positions.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic elevating system of optometry appearance to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: an automatic lifting mechanism of an optometry instrument comprises a mounting plate, two supporting legs are fixedly connected with the outer wall of the bottom end of the mounting plate, an auxiliary sliding rod is vertically inserted in the mounting plate, the surface of the auxiliary sliding rod penetrates through the upper wall and the lower wall of the mounting plate, the surface of the auxiliary sliding rod is connected with the mounting plate in a sliding way, the position of the upper end surface of the mounting plate relative to the auxiliary sliding rod is fixedly connected with a limiting device, the outer wall of the upper end of the auxiliary sliding rod is fixedly connected with a connecting plate, the interior of the mounting plate is rotatably connected with a nut block, the inner thread of the nut block is connected with a screw rod, the surface of the nut block is sleeved with a first gear, the surface of the nut block is fixedly connected with a first gear, the outer wall of the bottom end of the mounting plate is fixedly connected with a mounting frame, the inside fixedly connected with driving motor of mounting bracket, driving motor's output pivot fixedly connected with pauses the device.
Preferably, the stop device includes the axle that links with driving motor pivot fixed connection, the fixed surface of linking the axle is connected with the second gear, the second gear is the half gear, the surface cover of linking the axle is equipped with the lantern ring, the inner wall of the lantern ring with link the hub rotation and be connected, the fixed surface of the lantern ring is connected with the tooth piece, tooth piece and second gear are located the coplanar.
Preferably, stop device include with mounting panel upper wall fixed connection's second stopper, the inside of second stopper is transversely inserted and is equipped with the gag lever post, the first stopper of left side wall fixedly connected with of gag lever post, the one end symmetry that first stopper and second stopper are close to each other has seted up the circular arc recess, supplementary slide bar is located between two circular arc recesses, the draw-in groove has evenly been seted up to the front end outer wall of gag lever post, the second stopper right side wall is for the fixed plate of the position fixedly connected with of gag lever post, the inside of fixed plate is inserted and is equipped with the kelly, the surface and the fixed plate sliding connection of kelly, spring and second stopper fixed connection are passed through to the one end that the gag lever post was kept away from to the kelly, fixedly connected with spring between the second stopper and the first stopper the two.
Preferably, the upper end surface of the screw rod is rotatably connected with a bearing rotating piece, and the outer wall of the upper end of the bearing rotating piece is contacted with the bottom wall of the connecting plate.
Preferably, the tooth block is of a fan-shaped structure with the same diameter as the second gear, and the tooth block arc surface is provided with teeth matched with the second gear.
Preferably, the surface of the tooth block is fixedly connected with a traction spring, and one end of the traction spring, which is far away from the tooth block, is fixedly connected with the second gear.
The utility model has the advantages that:
1. this an automatic elevating system of refractometer, driving motor drives the second gear revolve, drive the first gear revolve rather than the meshing through the second gear, it makes tooth piece and first gear meshing to have the one end of tooth to rotate as the second gear, driving motor drives the second gear revolve, make second gear pulling traction spring rotate for the tooth piece, thereby make first gear stall, keep off the tooth piece and rotate the one end that the second gear has the tooth, the second gear is engaged with first gear again, make first gear follow the second gear revolve, thereby make first gear follow the second gear revolve round and stop once, utilize tooth piece transition to avoid the rigidity collision that produces when meshing between second gear and the first gear, the screw rod has the pause along with driving motor pivoted in-process, reduce the error that the operating time that closes driving motor leads to.
2. This refractometer automatic lifting gearing utilizes supplementary slide bar to slide in the mounting panel is inside, avoids the connecting plate to take place to rock through fixed supplementary slide bar and causes the problem that the refractometer fell, makes first stopper drive the gag lever post and slide in second stopper inside through promoting first stopper, through the gag lever post card at the limiting groove on gag lever post surface inside to fixed gag lever post utilizes first stopper and second stopper will assist the slide bar fixed.
Drawings
Fig. 1 is a schematic structural view of an automatic lifting mechanism of an optometry instrument of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a pause device of an automatic lifting mechanism of an optometry instrument of the present invention;
fig. 3 is the utility model relates to a stop device spatial structure schematic diagram of refractometer automatic lifting mechanism.
Reference numerals: 1. supporting legs; 2. mounting a plate; 3. an auxiliary slide bar; 4. a connecting plate; 5. a screw; 6. a nut block; 7. a first gear; 8. a halting device; 801. a second gear; 802. a connecting shaft; 803. a collar; 804. a tooth block; 805. a traction spring; 9. a limiting device; 901. a first stopper; 902. a limiting rod; 903. a second limiting block; 904. a fixing plate; 905. a clamping rod; 10. a drive motor; 11. and (7) mounting frames.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1, fig. 2 and fig. 3, an automatic lifting mechanism of an optometer comprises a mounting plate 2, two supporting legs 1 are fixedly connected to the outer wall of the bottom end of the mounting plate 2, an auxiliary slide bar 3 is vertically inserted into the mounting plate 2, the surface of the auxiliary slide bar 3 penetrates through the upper wall and the lower wall of the mounting plate 2, the surface of the auxiliary slide bar 3 is slidably connected with the mounting plate 2, a position of the upper end surface of the mounting plate 2 relative to the auxiliary slide bar 3 is fixedly connected with a limiting device 9, the outer wall of the upper end of the auxiliary slide bar 3 is fixedly connected with a connecting plate 4, the outer wall of the upper end of the connecting plate 4 is fixedly connected with the optometer, a nut block 6 is rotatably connected to the inside of the mounting plate 2, a screw 5 is connected to the inside of the nut block 6 by screw thread, a first gear 7 is sleeved on, the driving motor 10 is fixedly connected to the inside of the mounting frame 11, the driving motor 10 is an alternating current micro motor of model M315-402, preferably, the alternating current micro motor of model M315-402 has the advantage of convenient operation, and the output rotating shaft of the driving motor 10 is fixedly connected with the pausing device 8.
The specific arrangement and function of the stop device 8 and the stop device 9 are described in detail below:
as shown in fig. 1 and 2, the stopping device 8 includes a connecting shaft 802 fixedly connected to the rotating shaft of the driving motor 10, a second gear 801 fixedly connected to the surface of the connecting shaft 802, the second gear 801 is a half gear, a sleeve 803 is sleeved on the surface of the connecting shaft 802, the inner wall of the sleeve 803 is rotatably connected to the connecting shaft 802, a tooth block 804 is fixedly connected to the surface of the sleeve 803, the tooth block 804 and the second gear 801 are located in the same plane, the tooth block 804 is a fan-shaped structure having the same diameter as the second gear 801, and the arc surface of the tooth block 804 is provided with teeth adapted to the second gear 801.
As shown in fig. 1 and 2, the whole stopping device 8 moves according to the principle and achieves the following effects: the driving motor 10 drives the second gear 801 to rotate, the second gear 801 drives the first gear 7 engaged with the second gear to rotate, when the second gear 801 rotates to the end without teeth, the tooth block 804 is meshed with the first gear 7, the driving motor 10 drives the second gear 801 to rotate, the second gear 801 pulls the traction spring 805 to rotate relative to the tooth block 804, so that the first gear 7 stops rotating, when the gear block 804 rotates the toothed end of the second gear 801, the second gear 801 is re-engaged with the first gear 7, so that the first gear 7 follows the second gear 801, therefore, the first gear 7 rotates along with the second gear 801 for one turn and stops once, the gear block 804 is used for transitionally avoiding rigid collision generated when the second gear 801 is meshed with the first gear 7, the screw 5 stops in the process of rotating along with the driving motor 10, and errors caused by the operation time of turning off the driving motor 10 are reduced.
As shown in fig. 1 and fig. 3, the limiting device 9 includes a second limiting block 903 fixedly connected with the upper wall of the mounting plate 2, a limiting rod 902 is transversely inserted in the inside of the second limiting block 903, a first limiting block 901 fixedly connected with the left side wall of the limiting rod 902, arc grooves are symmetrically formed in one ends of the first limiting block 901 and the second limiting block 903 close to each other, the auxiliary sliding rod 3 is located between the two arc grooves, a clamping groove is uniformly formed in the outer wall of the front end of the limiting rod 902, a fixing plate 904 is fixedly connected with the right side wall of the second limiting block 903 relative to the limiting rod 902, a clamping rod 905 is inserted in the inside of the fixing plate 904, the surface of the clamping rod 905 is slidably connected with the fixing plate 904, one end of the clamping rod 905, far away from the limiting rod 902, is fixedly connected with the second limiting block 903 through a spring, and.
As shown in fig. 1 and 3, the motion principle and the achieved effect of the whole limiting device 9 are as follows: make first stopper 901 drive gag lever post 902 through promoting first stopper 901 and slide in second stopper 903 is inside, through the card inside the spacing inslot on gag lever post 902 surface of kelly 905 to fixed gag lever post 902 utilizes first stopper 901 and second stopper 903 to fix supplementary slide bar 3, utilizes supplementary slide bar 3 at 2 inside slides of mounting panel, avoids connecting plate 4 to take place to rock through fixed supplementary slide bar 3 and causes the problem that optometry appearance falls.
As shown in figure 1, the upper end surface of the screw rod 5 is rotatably connected with a bearing rotating piece, the outer wall of the upper end of the bearing rotating piece is in contact with the bottom wall of the connecting plate 4, and the bearing rotating piece is utilized to prevent the screw rod 5 from being in contact with the bottom wall of the connecting plate 4 in a rotating manner to cause abrasion.
As shown in fig. 1 and 2, a traction spring 805 is fixedly connected to the surface of the tooth block 804, one end of the traction spring 805 away from the tooth block 804 is fixedly connected to the second gear 801, and the tooth block 804 is returned by the self-elastic force of the traction spring 805.
The working principle of the whole mechanism is as follows: the driving motor 10 drives the second gear 801 to rotate, the second gear 801 drives the first gear 7 meshed with the second gear to rotate, when the second gear 801 rotates to one end without teeth to enable the tooth block 804 to be meshed with the first gear 7, the driving motor 10 drives the second gear 801 to rotate, the second gear 801 pulls the traction spring 805 to rotate relative to the tooth block 804, so that the first gear 7 stops rotating, the gear block 804 rotates the end with teeth of the second gear 801, the second gear 801 is meshed with the first gear 7 again, the first gear 7 rotates along with the second gear 801, so that the first gear 7 rotates along with the second gear 801 once, rigid collision generated when the second gear 801 is meshed with the first gear 7 is avoided by transition of the tooth block 804, a pause exists in the process that the screw 5 rotates along with the driving motor 10, and errors caused by the operation time for closing the driving motor 10 are reduced, make first stopper 901 drive gag lever post 902 through promoting first stopper 901 and slide in second stopper 903 is inside, through the card inside the spacing inslot on gag lever post 902 surface of kelly 905 to fixed gag lever post 902 utilizes first stopper 901 and second stopper 903 to fix supplementary slide bar 3, utilizes supplementary slide bar 3 at 2 inside slides of mounting panel, avoids connecting plate 4 to take place to rock through fixed supplementary slide bar 3 and causes the problem that optometry appearance falls.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an optometry appearance automatic lifting mechanism, includes mounting panel (2), its characterized in that: the bottom outer wall of mounting panel (2) is fixed even has two supporting legs (1), the inside vertical inserting of mounting panel (2) is equipped with supplementary slide bar (3), the upper and lower two walls of mounting panel (2) are run through on the surface of supplementary slide bar (3), the surface and mounting panel (2) sliding connection of supplementary slide bar (3), the position fixedly connected with stop device (9) of mounting panel (2) upper end surface for supplementary slide bar (3), the upper end outer wall fixedly connected with connecting plate (4) of supplementary slide bar (3), the inside rotation of mounting panel (2) is connected with nut piece (6), the inside threaded connection of nut piece (6) has screw rod (5), the surface cover of nut piece (6) is equipped with first gear (7), the surface and first gear (7) fixed connection of nut piece (6), the bottom outer wall fixedly connected with mounting bracket (11) of mounting panel (2), the inside fixedly connected with driving motor (10) of mounting bracket (11), the output pivot fixedly connected with of driving motor (10) pauses device (8).
2. The automatic lifting mechanism of the optometry instrument of claim 1, wherein: pause device (8) include with driving motor (10) pivot fixed connection's even axle (802), the fixed surface of even axle (802) is connected with second gear (801), second gear (801) are the half-gear, the surface cover of even axle (802) is equipped with lantern ring (803), the inner wall and the rotation of even axle (802) of lantern ring (803) are connected, the fixed surface of the lantern ring (803) is connected with tooth piece (804), tooth piece (804) and second gear (801) are located the coplanar.
3. The automatic lifting mechanism of the optometry instrument of claim 1, wherein: the limiting device (9) comprises a second limiting block (903) fixedly connected with the upper wall of the mounting plate (2), a limiting rod (902) is transversely inserted into the second limiting block (903), a first limiting block (901) is fixedly connected with the left side wall of the limiting rod (902), arc grooves are symmetrically formed in one ends, close to each other, of the first limiting block (901) and the second limiting block (903), the auxiliary sliding rod (3) is positioned between the two arc grooves, clamping grooves are uniformly formed in the outer wall of the front end of the limiting rod (902), a fixing plate (904) is fixedly connected to the position, opposite to the limiting rod (902), of the right side wall of the second limiting block (903), a clamping rod (905) is inserted into the fixing plate (904), the surface of the clamping rod (905) is slidably connected with the fixing plate (904), one end, far away from the limiting rod (902), of the clamping rod (905) is fixedly connected with the second limiting block (903) through a spring, and a spring is fixedly connected between the second limiting block (903) and the first limiting block (901).
4. The automatic lifting mechanism of the optometry instrument of claim 1, wherein: the upper end surface of the screw rod (5) is rotatably connected with a bearing rotating piece, and the outer wall of the upper end of the bearing rotating piece is in contact with the bottom wall of the connecting plate (4).
5. The automatic lifting mechanism of the optometry instrument of claim 2, wherein: the tooth block (804) is of a fan-shaped structure with the same diameter as the second gear (801), and teeth matched with the second gear (801) are arranged on the arc surface of the tooth block (804).
6. The automatic lifting mechanism of the optometry instrument of claim 2, wherein: the surface of the tooth block (804) is fixedly connected with a traction spring (805), and one end, far away from the tooth block (804), of the traction spring (805) is fixedly connected with the second gear (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218232.9U CN210990200U (en) | 2019-07-31 | 2019-07-31 | Automatic lifting mechanism of optometry instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218232.9U CN210990200U (en) | 2019-07-31 | 2019-07-31 | Automatic lifting mechanism of optometry instrument |
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| Publication Number | Publication Date |
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| CN210990200U true CN210990200U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921218232.9U Active CN210990200U (en) | 2019-07-31 | 2019-07-31 | Automatic lifting mechanism of optometry instrument |
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| CN (1) | CN210990200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762419A (en) * | 2021-02-26 | 2021-05-07 | 深圳市君兰铭贸易有限公司 | A equipment for illumination of sandy beach scenic spot |
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2019
- 2019-07-31 CN CN201921218232.9U patent/CN210990200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762419A (en) * | 2021-02-26 | 2021-05-07 | 深圳市君兰铭贸易有限公司 | A equipment for illumination of sandy beach scenic spot |
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Address after: 212300 China (Danyang) Eyeglasses Industry Pioneer Park on the East of 312 National Road, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Teyi Optical Instrument Co., Ltd Address before: 212300 China (Danyang) Eyeglasses Industry Pioneer Park on the East of 312 National Road, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu xinbailun Optical Instrument Co.,Ltd. |