CN211826671U - Infrared lens focusing device - Google Patents
Infrared lens focusing device Download PDFInfo
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- CN211826671U CN211826671U CN202020288720.3U CN202020288720U CN211826671U CN 211826671 U CN211826671 U CN 211826671U CN 202020288720 U CN202020288720 U CN 202020288720U CN 211826671 U CN211826671 U CN 211826671U
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Abstract
The utility model provides an infrared camera lens focusing ware, this focusing ware set up on infrared camera lens, and infrared camera lens includes first sleeve pipe and the second sleeve pipe of arranging with same axis. The infrared lens focusing device structure comprises an adjusting mechanism and a focusing sleeve, wherein the adjusting mechanism is arranged on a first sleeve in a guiding mode along the axis direction, an adjusting gear capable of operating and rotating is arranged on the adjusting mechanism, and a rack which is arranged along the axis direction and can be meshed with the adjusting gear is constructed on the first sleeve. In addition, the focusing sleeve is mounted on the adjusting mechanism in a manner of rotating around the axis, and one end of the focusing sleeve, which is opposite to the second sleeve, is provided with teeth capable of being meshed with the adjusting gear. The focusing sleeve is provided with a driving thread, and the second sleeve is provided with a matching thread matched with the driving thread. The adjusting gear can be switched to be meshed with the rack and the teeth alternatively. The utility model discloses an infrared camera lens focusing ware helps improving the stability of camera lens focusing ease of operation nature and operation.
Description
Technical Field
The utility model relates to a camera equipment technical field, in particular to infrared camera lens focusing ware.
Background
In the prior art, most of the infrared athermalization lens focusing modes adopt fixed focus modes such as hoop fixed focus, seal ring matched fixed focus, finger screw fixed focus and the like. Among them, the fixed focus has a condition that the thread is easy to be damaged, the lens is easy to be loosened and the optical axis is deviated due to vibration and the like. In addition, the hoop focusing also has the defects of large size, poor sealing performance, more matching surfaces between the focusing device and the lens and the like. The sealing ring matched focusing mode has good sealing performance and stable focusing, so that the defects of the two focusing modes can be overcome, at present, the sealing ring matched focusing mode is widely adopted in the field of infrared lenses, but the sizes, the depths and the quantity of focusing grooves at the front ends of different lenses are not uniform, and one focusing device can only be matched with one lens. This results in a great variety of focusing devices and poor compatibility, which brings inconvenience to the design and use of the focusing devices, and the poor compatibility has seriously affected the popularization of the sealing ring focusing devices.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an infrared camera lens focusing ware helps improving the stability of camera lens focusing ease of operation nature and operation, can fine realization and multiple infrared camera lens's cooperation.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides an infrared camera lens focusing ware sets up on infrared camera lens, infrared camera lens includes first sleeve pipe and the second sleeve pipe of arranging with same axis, install first lens in the first sleeve pipe, install the second lens in the second sleeve pipe, the second sleeve pipe is followed axis direction set up with sliding in first sleeve pipe, infrared camera lens focusing ware includes:
the adjusting mechanism is arranged on the first sleeve in a guiding mode along the axis direction, an adjusting gear capable of operating and rotating is arranged on the adjusting mechanism, and a rack which is arranged along the axis direction and can be meshed with the adjusting gear is formed on the first sleeve;
the focusing sleeve is assembled on the adjusting mechanism in a manner of rotating around the axis, and one end of the focusing sleeve, which is back to the second sleeve, is provided with teeth which can be meshed with the adjusting gear; the focusing sleeve is provided with a driving thread, and the second sleeve is provided with a matching thread matched with the driving thread; the adjusting gear can be switched to be meshed with the rack and the teeth alternatively.
Furthermore, the adjusting mechanism and the connecting matching part of the second sleeve are sequentially sleeved on the connecting part of the first sleeve; parallel to the axis direction, a raised sliding rail is constructed on the outer peripheral surface of the connecting part, and a sliding groove and an auxiliary sliding groove which are matched with the sliding rail are respectively arranged on the inner walls of the connecting matching part and the adjusting mechanism.
Furthermore, the cross section of the sliding rail is semicircular.
Furthermore, the slide rail is eight that the interval equipartition is equipped with.
Furthermore, a fixed mounting body and an adjusting knob which is arranged on the fixed mounting body in a penetrating way and is partially exposed are fixedly arranged on the outer wall of the adjusting mechanism; the adjusting gear is pivotally arranged in the fixed mounting body, and the adjusting knob is coaxially and fixedly connected with the adjusting gear; the adjusting knob is movably switched along the axis of the adjusting knob to be alternatively meshed with the rack and the teeth.
Furthermore, the focusing sleeve is sleeved outside the adjusting mechanism and the connection matching part, the driving thread is an internal thread formed on the inner wall of the focusing sleeve, and the matching thread is an external thread formed on the outer peripheral surface of the connection matching part.
Furthermore, an annular sliding groove is formed in the outer peripheral surface of the adjusting mechanism, and a raised annular sliding rail is arranged on the inner wall of the focusing sleeve; the annular slide rail is arranged in the annular chute in a sliding manner.
Compared with the prior art, the utility model discloses following advantage has:
(1) infrared camera lens focusing ware realize first sleeve pipe and the sheathed tube connection of second through design complex focusing sleeve pipe and guiding mechanism and use to it is fixed that design adjustment gear realizes focusing sleeve pipe and the engagement of first sheathed tube alternative, has realized first sleeve pipe and the multiple cooperation form of second sleeve pipe, helps improving the stability of camera lens focusing ease of operation and operation, can fine realization and the cooperation of multiple infrared camera lens, and possess two kinds of focusing modes fast and slow speed.
(2) But through constructing slide rail and the spout that has the complex, realize that the second sleeve pipe slides along the direction of first sleeve pipe axis, simple structure cooperates rigorously, and it is effectual to slide.
(3) The cross section of the sliding rail is designed to be semicircular, so that the sliding effect of the second sleeve relative to the first sleeve along the axis direction when the focusing device focuses is improved, and the operation is more labor-saving.
(4) Eight slide rails are designed, and the stability of fixing of the slide rails, the slide grooves and the auxiliary slide grooves is improved.
(5) The design structure and the adjustment gear are coaxially and fixedly connected and the exposed adjustment knob is used for realizing the alternative engagement of the adjustment mechanism with the first sleeve and the focusing sleeve only by moving and switching, and the adjustment mechanism has a simple matching structure, is easy to operate and is convenient to install.
(6) Through the drive screw thread and the cooperation screw thread of structure spiro union cooperation, realize that the suit of focusing sleeve pipe on the second sleeve pipe is fixed, the cooperation mode is simple, and easily manufacturing.
(7) The arrangement of the raised annular slide rail can realize the clamping of the focusing sleeve on the adjusting mechanism, and the structure is stable and convenient to install.
Drawings
The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:
fig. 1 is a schematic structural diagram of an infrared lens focusing device according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of an infrared lens focusing device according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of an infrared lens focusing device according to an embodiment of the present invention;
description of reference numerals:
1-first sleeve, 100-connecting part, 102-sliding rail; 2-second sleeve, 200-connection matching part, 201-matching thread, 202-sliding groove; 3-focusing sleeve, 301-teeth, 302-annular slide rail, 303-driving screw; 4-an adjusting mechanism, 400-an annular chute, 401-a fixed mounting body, 402-an adjusting knob, 403-an adjusting gear, 404-an auxiliary chute and 405-a rack; 5-a first lens; 6-second lens.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, terms of left, right, up, down, and the like are used for convenience of description and are based on terms in the illustrated state, and should not be construed as limiting the structure of the present invention; references to first, second, third, etc. are also made for ease of description and are not to be construed as indicating or implying relative importance.
The embodiment relates to an infrared lens focusing device, which can be beneficial to improving the operability and operation stability of lens focusing and can be well matched with various infrared lenses. This infrared camera lens focusing ware sets up on infrared camera lens, infrared camera lens includes first sleeve pipe and the second sleeve pipe of arranging with same axis, install first lens in the first sleeve pipe, install the second lens in the second sleeve pipe, the second sleeve pipe is followed axis direction set up with sliding in first sleeve pipe. The infrared lens focusing device further comprises: the adjusting mechanism is arranged on the first sleeve in a guiding mode along the axis direction, an adjusting gear capable of operating and rotating is arranged on the adjusting mechanism, and a rack which is arranged along the axis direction and can be meshed with the adjusting gear is formed on the first sleeve. The focusing sleeve is assembled on the adjusting mechanism in a manner of rotating around the axis, and one end of the focusing sleeve, which is back to the second sleeve, is provided with teeth which can be meshed with the adjusting gear; the focusing sleeve is provided with a driving thread, and the second sleeve is provided with a matching thread matched with the driving thread; the adjusting gear can be switched to be meshed with the rack and the teeth alternatively.
Based on the above general structural principles, the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments. The infrared lens focusing device of the present embodiment is disposed on an infrared lens, one exemplary structure of which is shown in fig. 1, and the structure mainly includes a first sleeve 1 and a second sleeve 2 which are arranged along a same axis, a first lens 5 is installed in the first sleeve 1, and a second lens 6 is installed in the second sleeve 2. Wherein, the second sleeve 2 can be arranged on the first sleeve 1 in a guiding and sliding way along the axial direction.
In addition, the above infrared lens focusing device further comprises a focusing sleeve 3 and an adjusting mechanism 4, wherein the focusing sleeve 3 is rotatably assembled on the adjusting mechanism 4 around an axis. As shown in fig. 2, the focusing sleeve 3 is provided with a driving thread 303, and the second sleeve 2 is provided with a matching thread 201 matching with the driving thread 303, so as to fix the focusing sleeve 3 on the second sleeve 2 by screwing. The adjusting mechanism 4 is arranged on the first sleeve 1 in an axial direction in a guiding manner, a rack 405 is arranged on the first sleeve 1 in the axial direction, a tooth 301 is arranged at one end of the focusing sleeve 3, which is opposite to the second sleeve 2, and an adjusting gear 403 which can operate and rotate is arranged on the adjusting mechanism 4, the adjusting gear 403 can be meshed with the tooth 301 and the rack 405, and the adjusting gear 403 can be alternatively meshed with the rack 405 and the tooth 301 through position switching.
As shown in fig. 3, in order to further optimize the fixation between the adjusting mechanism 4 and the focus sleeve 3, an annular sliding groove 400 is formed on the outer peripheral surface of the adjusting mechanism 4, a raised annular sliding rail 302 is provided on the inner wall of the focus sleeve 3, and the annular sliding rail 302 is slidably provided on the annular sliding groove 400. The arrangement of the raised annular slide rail 302 can realize the clamping of the focusing sleeve 3 on the adjusting mechanism 4, and the structure is stable and convenient to install.
In this embodiment, the first sleeve 1 and the second sleeve 2 are connected and used by designing the focusing sleeve 3 and the adjusting mechanism 4 which are matched with each other, and the adjusting gear 403 is designed to realize the alternative engagement and fixation of the focusing sleeve 3 and the first sleeve 1, so that multiple matching forms of the first sleeve 1 and the second sleeve 2 are realized, and the focusing device has higher compatibility and can be matched with multiple infrared lenses for use.
Based on the above structure, the adjusting mechanism 4 and the connection matching part 200 of the second sleeve 2 are sequentially sleeved on the connection part 100 of the first sleeve 1. And a raised slide rail 102 is constructed on the outer circumferential surface of the connecting part 100 in the direction parallel to the axis, and the cross section of the slide rail 102 is semicircular and eight at intervals. And a sliding groove 202 and an auxiliary sliding groove 404 which are matched with the sliding rail 102 are respectively arranged on the inner walls of the connection matching part 200 and the adjusting mechanism 4. Through constructing the slide rail 102 and the chute 202 which can be matched with each other, the second sleeve 2 can slide along the axis of the first sleeve 1 in a guiding way, and the structure is simple, the matching is precise, and the sliding effect is good. The eight sliding rails 102 are designed to improve the stability of the fixing of the sliding rails 102 with the sliding grooves 202 and the auxiliary sliding grooves 404. The cross section of the sliding rail 102 is designed to be semicircular, so that the sliding effect of the second sleeve 2 relative to the first sleeve 1 along the axial direction when the focusing device is used for focusing is improved, and the operation is more labor-saving.
In order to make the operation of the adjusting mechanism 4 more convenient, a fixed mounting body 401 and an adjusting knob 402 which is arranged on the fixed mounting body 401 in a penetrating way and is partially exposed are fixedly arranged on the outer wall of the adjusting mechanism 4. The adjusting gear 403 is pivotally disposed in the fixing body 401, and the adjusting knob 402 is coaxially and fixedly connected to the adjusting gear 403. Thus, the adjustment gear 403 can be alternatively engaged with the rack 405 and the teeth 301 only by moving the adjustment knob 402 along the axis of the adjustment knob 402. The whole structure is strictly and simply matched, and the operation is easy and the installation is convenient.
The focus sleeve 3 is fitted to the outside of the adjustment mechanism 4 and the connection fitting portion 200, the drive screw 303 is an internal screw formed on the inner wall of the focus sleeve 3, and the fitting screw 201 is an external screw formed on the outer peripheral surface of the connection fitting portion 200. The drive screw thread 303 is matched with the matching screw thread 201 in a threaded manner, so that the focusing sleeve 3 is sleeved and fixed on the second sleeve 2, the matching mode is simple, and the processing and the manufacturing are easy.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an infrared camera lens focusing ware sets up on infrared camera lens, infrared camera lens includes first sleeve pipe (1) and second sleeve pipe (2) that arrange with same axis, install first lens (5) in first sleeve pipe (1), install second lens (6) in second sleeve pipe (2), second sleeve pipe (2) are followed axis direction set up with sliding in first sleeve pipe (1), its characterized in that, infrared camera lens focusing ware includes:
an adjusting mechanism (4) which is arranged on the first sleeve (1) in a guiding way along the axial direction, an adjusting gear (403) which can be operated and rotated is arranged on the adjusting mechanism (4), and a rack (405) which is arranged along the axial direction and can be meshed with the adjusting gear (403) is configured on the first sleeve (1);
a focusing sleeve (3) which is rotatably assembled on the adjusting mechanism (4) around the axis, wherein one end of the focusing sleeve (3) facing away from the second sleeve (2) is provided with teeth (301) capable of being meshed with the adjusting gear (403); a driving thread (303) is arranged on the focusing sleeve (3), and a matching thread (201) matched with the driving thread (303) is arranged on the second sleeve (2); the adjusting gear (403) can be switched to selectively engage with the rack (405) and the teeth (301).
2. The infrared lens focus adjuster as set forth in claim 1, wherein: the adjusting mechanism (4) and the connecting matching part (200) of the second sleeve (2) are sequentially sleeved on the connecting part (100) of the first sleeve (1); a convex sliding rail (102) is constructed on the outer peripheral surface of the connecting part (100) in parallel to the axis direction, and a sliding groove (202) and an auxiliary sliding groove (404) which are matched with the sliding rail (102) are respectively formed on the inner walls of the connecting matching part (200) and the adjusting mechanism (4).
3. The infrared lens focus adjuster as set forth in claim 2, wherein: the cross section of the sliding rail (102) is semicircular.
4. The infrared lens focus adjuster as set forth in claim 2, wherein: the eight slide rails (102) are uniformly distributed at intervals.
5. The infrared lens focus adjuster as set forth in claim 2, wherein: a fixed mounting body (401) and an adjusting knob (402) which is arranged on the fixed mounting body (401) in a penetrating way and is partially exposed are fixedly arranged on the outer wall of the adjusting mechanism (4); the adjusting gear (403) is pivotally arranged in the fixed mounting body (401), and the adjusting knob (402) is coaxially and fixedly connected with the adjusting gear (403); the adjustment knob (402) is movable along an axis of the adjustment knob (402) to selectively engage the rack (405) and the teeth (301).
6. The infrared lens focus adjuster as set forth in claim 5, wherein: the focusing sleeve (3) is sleeved outside the adjusting mechanism (4) and the connection matching part (200), the driving thread (303) is an internal thread formed on the inner wall of the focusing sleeve (3), and the matching thread (201) is an external thread formed on the outer peripheral surface of the connection matching part (200).
7. An infrared lens focus adjuster according to any of claims 1 to 6, wherein: an annular sliding groove (400) is formed in the outer peripheral surface of the adjusting mechanism (4), and a raised annular sliding rail (302) is arranged on the inner wall of the focusing sleeve (3); the annular sliding rail (302) is arranged in the annular sliding groove (400) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020288720.3U CN211826671U (en) | 2020-03-10 | 2020-03-10 | Infrared lens focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020288720.3U CN211826671U (en) | 2020-03-10 | 2020-03-10 | Infrared lens focusing device |
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| Publication Number | Publication Date |
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| CN211826671U true CN211826671U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020288720.3U Active CN211826671U (en) | 2020-03-10 | 2020-03-10 | Infrared lens focusing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607287A (en) * | 2021-08-14 | 2021-11-05 | 长春理工大学 | Infrared imaging device with automatic and manual focusing functions |
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2020
- 2020-03-10 CN CN202020288720.3U patent/CN211826671U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607287A (en) * | 2021-08-14 | 2021-11-05 | 长春理工大学 | Infrared imaging device with automatic and manual focusing functions |
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