CN221101120U - Optical lens cone adjusting mechanism - Google Patents
Optical lens cone adjusting mechanism Download PDFInfo
- Publication number
- CN221101120U CN221101120U CN202322985546.4U CN202322985546U CN221101120U CN 221101120 U CN221101120 U CN 221101120U CN 202322985546 U CN202322985546 U CN 202322985546U CN 221101120 U CN221101120 U CN 221101120U
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- bracket
- worm
- control box
- optical lens
- fixing block
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
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- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lens Barrels (AREA)
Abstract
The utility model discloses an optical lens barrel adjusting mechanism which comprises a control box and a bracket, wherein the bracket is arranged on the control box, and a support assembly is arranged on the bracket and used for fixing an optical lens barrel. The control box is internally provided with a transmission assembly, the transmission assembly comprises a worm wheel and a worm, the worm is matched with the worm wheel, one end of the worm is arranged outside the control box, and one end of the worm wheel is provided with a gear. A rack is arranged on the bracket and meshed with the gear; the control box is provided with two limiting plates, the bracket is arranged between the two limiting plates in a sliding mode, a sliding groove is formed in the limiting plates, a plurality of balls are arranged in the sliding groove in a rolling mode, and the balls are in contact with the surface of the bracket. The utility model adjusts the position of the bracket by rotating the worm, has simple and convenient operation and easy operation, has a self-locking function by the movement transmission of the worm and the worm gear, and can reduce the occurrence of the situation that the position of the optical lens barrel moves due to accidental touching of the bracket or the optical lens barrel.
Description
Technical Field
The utility model relates to the technical field of optical lens barrels, in particular to an optical lens barrel adjusting mechanism.
Background
The optical lens comprises a telescope, a microscope, an optical measuring instrument and the like, and the optical lens comprises an optical lens barrel and a machine body, wherein the main function of the optical lens barrel is to collect light rays and focus the light rays through a lens so as to transmit the light rays to eyes of people. By using an optical barrel we can see objects far away, observe tiny details, and make accurate measurements.
The adjusting mechanism controls the imaging range and depth by adjusting the position of the optical barrel. In the prior art 1, through the arrangement of the front lantern ring and each component inside the front lantern ring, the pressing block can be driven to limit the lens cone by rotating the screw rod, so as to ensure the clamping effect, and when the position of the lens cone is adjusted, the sleeve column is pushed so that the top disc on the top side of the sleeve column pushes the lens cone to slide back and forth inside the front lantern ring, so that the adjusting effect is achieved.
In the prior art 1, the barrel is slidably adjusted in the front sleeve ring by pushing the sleeve column, and the barrel is affected by friction force between the sleeve column and the front sleeve ring, so that the adjusting precision of the barrel is reduced, and meanwhile, the outer part of the optical barrel is damaged due to the influence of friction force, so that the scale marks on the optical barrel can be blurred and can not be identified, and the position of the optical barrel is difficult to adjust for operators.
Disclosure of utility model
The utility model provides an optical lens barrel adjusting mechanism which is used for solving the problems that in the prior art, when the position of an optical lens barrel is adjusted, the adjusting precision is reduced due to the influence of friction force, and the outer part of the optical lens barrel is damaged.
The technical scheme of the utility model is as follows:
an optical lens cone adjusting mechanism comprises a control box and a bracket, wherein the bracket is arranged on the control box, and a support assembly is arranged on the bracket and used for fixing an optical lens cone.
The control box is internally provided with a transmission assembly, the transmission assembly comprises a worm wheel and a worm, the worm is matched with the worm wheel, the worm is rotationally connected with the control box, and the worm wheel is rotationally connected with the control box; one end of the worm is arranged outside the control box, and one end of the worm wheel is provided with a gear.
A rack is arranged on the bracket and meshed with the gear; the control box is provided with two limiting plates, the bracket is arranged between the two limiting plates in a sliding mode, a sliding groove is formed in the limiting plates, a plurality of balls are arranged in the sliding groove in a rolling mode, and the balls are in contact with the surface of the bracket.
In a preferred technical scheme, the device further comprises a ball joint, a fixing seat is arranged on the ball joint, and the ball joint is connected with the control box.
In a preferred technical scheme, the fixing base comprises a base and a bearing rod, wherein the base is a hollow square box body, and a charging hole is formed in the base.
In a preferred embodiment, the load-bearing rod is a pneumatic telescopic rod.
In a preferred technical scheme, the support assembly comprises an upper fixing block and a lower fixing block, and the upper fixing block is connected with the lower fixing block through a bolt assembly.
In a preferred technical scheme, a guard plate is arranged on the bracket, and an adjusting groove is arranged on the guard plate; the lower fixed block is provided with a through hole and is connected with the guard plate through a bolt assembly.
In a preferred technical scheme, a screw cap is arranged on the worm, and an anti-slip strip is arranged on the screw cap.
In a preferred technical scheme, scale marks are arranged on the limiting plate, and a datum line is arranged on the bracket.
The beneficial effects of the utility model are as follows:
The utility model adjusts the position of the bracket by rotating the worm, has simple and convenient operation and easy operation, has a self-locking function by the movement transmission of the worm and the worm gear, and can reduce the occurrence of the situation that the position of the optical lens barrel moves due to accidental touching of the bracket or the optical lens barrel.
According to the utility model, the movement direction of the bracket is limited through the limiting plate, the auxiliary support function of the bracket is realized, the friction force of the bracket in the movement process is reduced through the contact between the ball and the surface of the bracket, and the precision of adjusting the optical lens barrel is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along the direction B-B in FIG. 2.
In the figure: 100-control box, 110-worm wheel, 111-gear, 120-worm, 130-limiting plate, 131-chute, 132-ball, 200-bracket, 210-rack, 220-guard plate, 221-adjusting slot, 300-ball joint, 400-fixing seat, 410-base, 411-charging hole, 420-bearing rod, 500-upper fixing block, 510-lower fixing block and 600-screw cap.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings in the embodiments of the present utility model:
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, and if the specific posture is changed, the directional indicator is correspondingly changed.
Furthermore, the descriptions of the "first," "second," and the like in this patent are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including at least one such feature.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1, an optical barrel adjusting mechanism includes a control box 100, a bracket 200, the bracket 200 is provided on the control box 100, and a support assembly is provided on the bracket 200 for fixing an optical barrel.
A transmission assembly is arranged in the control box 100 and comprises a worm wheel 110 and a worm 120, the worm 120 is matched with the worm wheel 110, the worm 120 is rotationally connected with the control box 100, and the worm wheel 110 is rotationally connected with the control box 100; one end of the worm 120 is provided outside the control box 100, and one end of the worm wheel 110 is provided with a gear 111.
The rack 210 is arranged on the bracket 200, and the rack 210 is meshed with the gear 111; two limiting plates 130 are arranged on the control box 100, the bracket 200 is arranged between the two limiting plates 130 in a sliding mode, a sliding groove 131 is formed in the limiting plates 130, a plurality of balls 132 are arranged in the sliding groove 131 in a rolling mode, and the balls 132 are in surface contact with the bracket 200.
The worm 120 is rotationally connected with the control box 100 through a bearing, the worm 120 is connected with the bearing inner ring, and the control box 100 is connected with the bearing inner ring; the worm wheel 110 is rotatably connected with the control box 100 through a bearing, the worm wheel 110 is connected with the inner ring of the bearing, and the control box 100 is connected with the outer ring of the bearing.
The working principle of the utility model is that the optical lens barrel is fixed on the bracket 200 through the supporting component, the rotation is transmitted to the worm wheel 110 and the gear 111 through the rotating worm 120, the gear 111 transmits the motion to the meshed rack 210, and the rotation motion is converted into the linear motion through the meshing of the gear 111 and the rack 210, namely the purpose of adjusting the position of the bracket 200 through the rotating worm 120 is realized. And the limiting plate 130 limits the moving direction of the bracket 200, and simultaneously reduces the friction force of the bracket 200 in the moving process through the contact between the balls 132 and the surface of the bracket 200, thereby improving the precision of the optical lens barrel adjustment.
Example two
As shown in fig. 1 and 2, in this embodiment, the present invention further includes a ball joint 300, a fixing base 400 is disposed on the ball joint 300, and the ball joint 300 is connected with the control box 100. The ball joint 300 may be a ZN-QT-009-a universal damping ball joint. Through the setting of bulb joint 300, the angle that operating personnel can be as required to control box 100 is adjusted, conveniently uses adjustment mechanism to fix the optical column at different angles and satisfies different observation demands.
Example III
As shown in fig. 2, in this embodiment, the fixing base 400 includes a base 410 and a bearing rod 420, the base 410 is a hollow square box, and a charging hole 411 is provided on the base 410. Sand, water and the like can be added into the base 410 through the feeding hole 411 to increase the weight of the base 410, so that the situation that the optical lens barrel is damaged due to toppling of the mechanism caused by the gravity center shift of the whole mechanism when the optical lens barrel is positioned on one side of the bearing rod 420 (not positioned right above the bearing rod 420) is prevented.
Example IV
In this embodiment, the load-bearing bar 420 is a pneumatic telescoping bar, which is optionally an XTL100 type telescoping bar. The operator can adjust the height of the control box 100 and the optical lens barrel by controlling the length of the pneumatic telescopic rod, so as to adapt to different use environments. And the height is adjusted by the pneumatic telescopic rod, so that the device has the advantage of rapidness and stability.
Example five
As shown in fig. 1, in the present embodiment, the support assembly includes an upper fixing block 500 and a lower fixing block 510, and the upper fixing block 500 and the lower fixing block 510 are coupled by a bolt assembly. The support component is provided with a plurality of optical lens barrels with different models and sizes and is used for fixing the optical lens barrels with different diameters so as to enhance the adaptability of the mechanism.
Example six
As shown in fig. 1, in the present embodiment, a guard plate 220 is provided on the bracket 200, and an adjustment groove 221 is provided on the guard plate 220; the lower fixing block 510 is provided with a through hole, and the lower fixing block 510 is connected with the guard plate 220 through a bolt assembly (the bolt assembly includes a bolt and a nut). The bolts sequentially pass through the through holes and the adjusting grooves 221 and then are connected with the nuts. The operator can adjust the position of the lower fixing block 510, that is, the position of the supporting component through the position of the adjusting bolt in the adjusting groove 221, so that the supporting component can conveniently fix the optical lens barrels with different lengths, and at least one group of supporting components is used for fixing the optical lens barrels under normal conditions.
Example seven
As shown in fig. 1 and 2, in the present embodiment, a screw cap 600 is provided on the worm 120, and an anti-slip strip is provided on the screw cap 600. The screw cap 600 may be made of plastic, rubber, or the like, and an operator transmits rotation to the worm wheel 110 and the gear 111 through the worm 120 by rotating the screw cap 600, so that the rack 210 drives the bracket 200 to move. The screw cap 600 is arranged to facilitate the rotation of the worm 120 by an operator, and meanwhile, the anti-slip strip can increase the friction between the screw cap and the hands of the operator, so that the operational feeling during rotation is improved.
Example eight
As shown in fig. 2, in the present embodiment, the limiting plate 130 is provided with graduation marks in millimeters (mm), and the bracket 200 is provided with a reference line. By observing the relative positions of the datum line and the scale mark, an operator can conveniently and rapidly determine the moving distance of the optical lens barrel, and the datum line can be coated with bright colors such as red, so that the identification property is improved.
In order to more intuitively display the relative position of the reference line and the scale mark, the operator can set the distance between the lens barrel and the reference line to a small visual range. In the process of adjusting the lens barrel, an operator can check the relative position relationship between the lens barrel, the datum line and the scale mark at any time. Therefore, an operator can judge whether the lens barrel moves to the optimal position in real time, and errors caused by manual measurement of the relative positions of the datum line and the scale mark are avoided.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present utility model, including by way of example only, and not by way of limitation, any modifications, equivalents, or improvements thereto should be construed as falling within the spirit and scope of the present utility model.
Claims (8)
1. An optical barrel adjusting mechanism, characterized in that: the device comprises a control box (100) and a bracket (200), wherein the bracket (200) is arranged on the control box (100), and a support assembly is arranged on the bracket (200) and used for fixing an optical lens cone;
A transmission assembly is arranged in the control box (100), the transmission assembly comprises a worm wheel (110) and a worm (120), the worm (120) is matched with the worm wheel (110), the worm (120) is rotationally connected with the control box (100), and the worm wheel (110) is rotationally connected with the control box (100); one end of the worm (120) is arranged outside the control box (100), and one end of the worm wheel (110) is provided with a gear (111);
A rack (210) is arranged on the bracket (200), and the rack (210) is meshed with the gear (111); be provided with two limiting plates (130) on control box (100), bracket (200) slip sets up between two limiting plates (130), is provided with spout (131) on limiting plate (130), and the roll is provided with a plurality of ball (132) in spout (131), ball (132) and bracket (200) surface contact.
2. The optical barrel adjustment mechanism according to claim 1, wherein: the ball joint (300) is provided with a fixing seat (400), and the ball joint (300) is connected with the control box (100).
3. The optical barrel adjustment mechanism according to claim 2, wherein: the fixing seat (400) comprises a base (410) and a bearing rod (420), wherein the base (410) is a hollow square box body, and a charging hole (411) is formed in the base (410).
4. An optical barrel adjustment mechanism according to claim 3, wherein: the bearing rod (420) is a pneumatic telescopic rod.
5. The optical barrel adjustment mechanism according to claim 1, wherein: the supporting component comprises an upper fixing block (500) and a lower fixing block (510), and the upper fixing block (500) is connected with the lower fixing block (510) through a bolt component.
6. The optical barrel adjustment mechanism according to claim 5, wherein: a guard plate (220) is arranged on the bracket (200), and an adjusting groove (221) is arranged on the guard plate (220); the lower fixing block (510) is provided with a through hole, and the lower fixing block (510) is connected with the guard plate (220) through a bolt assembly.
7. The optical barrel adjustment mechanism according to claim 1, wherein: the worm (120) is provided with a screw cap (600), and the screw cap (600) is provided with an anti-slip strip.
8. The optical barrel adjustment mechanism according to claim 1, wherein: scale marks are arranged on the limiting plate (130), and a datum line is arranged on the bracket (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322985546.4U CN221101120U (en) | 2023-11-06 | 2023-11-06 | Optical lens cone adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322985546.4U CN221101120U (en) | 2023-11-06 | 2023-11-06 | Optical lens cone adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101120U true CN221101120U (en) | 2024-06-07 |
Family
ID=91317636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322985546.4U Active CN221101120U (en) | 2023-11-06 | 2023-11-06 | Optical lens cone adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221101120U (en) |
-
2023
- 2023-11-06 CN CN202322985546.4U patent/CN221101120U/en active Active
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