CN111770259A - Portable laser night vision device - Google Patents
Portable laser night vision device Download PDFInfo
- Publication number
- CN111770259A CN111770259A CN202010725545.4A CN202010725545A CN111770259A CN 111770259 A CN111770259 A CN 111770259A CN 202010725545 A CN202010725545 A CN 202010725545A CN 111770259 A CN111770259 A CN 111770259A
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- cavity
- block
- sliding
- vision device
- night vision
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- 230000004297 night vision Effects 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000004438 eyesight Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telescopes (AREA)
Abstract
The invention belongs to the technical field of night vision devices, and particularly discloses a portable laser night vision device which comprises a barrel, wherein an objective lens and an eyepiece are respectively arranged at two ends of the barrel, a baffle for shielding the objective lens is hinged to the side wall of the objective lens, a torsional spring is arranged at the hinged position of the baffle, and the baffle covers the objective lens when the torsional spring is in a free state; a sliding cavity is vertically formed in the cylinder body, a sliding block is connected in the sliding cavity in a sliding mode, and a trigger block is connected to the side wall of the sliding cavity in a horizontal sliding mode; a cavity communicated with the outside is formed in one side adjacent to the sliding cavity, a transmission block is vertically connected to the inner wall of the cavity in a sliding manner, and a connecting rod is hinged between the transmission block and the trigger block; baffle lateral wall fixedly connected with is used for with transmission piece matched with stopper, and the stopper can freely slide in the cavity. The invention aims to provide a portable laser night vision device, which aims to solve the technical problem that an objective lens of the night vision device cannot be protected when falling.
Description
Technical Field
The invention belongs to the technical field of night vision devices, and particularly discloses a portable laser night vision device.
Background
In order to meet the requirement of portability, the existing portable laser night vision device is usually made to be small and exquisite. But because the product is too small and exquisite, the unstable condition can appear holding the night-time vision device in the user of service, leads to dropping of night-time vision device easily, and then leads to the objective and the eyepiece of night-time vision device to drop and damage. Therefore, the protective sleeve is necessary to be effectively protected, in the prior art, the protective sleeve is generally arranged at the outer end of the ocular, and the protective sleeve can not only protect the edge of the lens of the ocular, but also play a role in buffering the eyes of a user.
For the objective lens, there is usually no good protection structure around the objective lens due to the fact that the objective lens in the prior art primarily ensures a wide field of view of the objective lens of the night vision device. Therefore, the night vision device is easy to fall off, and the objective lens is easy to be seriously damaged when falling onto the ground.
Disclosure of Invention
The invention aims to provide a portable laser night vision device, which aims to solve the technical problem that an objective lens of the night vision device cannot be protected when falling.
In order to achieve the purpose, the basic scheme of the invention is as follows: the portable laser night vision device comprises a cylinder body, wherein an objective lens and an eyepiece are respectively arranged at two ends of the cylinder body, a baffle plate for shielding the objective lens is hinged to the side wall of the objective lens, a torsional spring is arranged at the hinged position of the baffle plate, and the baffle plate covers the objective lens when the torsional spring is in a free state; a sliding cavity is vertically formed in the cylinder body, a sliding block is connected in the sliding cavity in a sliding mode, and a trigger block is connected to the side wall of the sliding cavity in a horizontal sliding mode; a cavity communicated with the outside is formed in one side adjacent to the sliding cavity, a transmission block is vertically connected to the inner wall of the cavity in a sliding manner, and a connecting rod is hinged between the transmission block and the trigger block; baffle lateral wall fixedly connected with is used for with transmission piece matched with stopper, and the stopper can freely slide in the cavity.
The working principle and the beneficial effects of the basic scheme are as follows: when under the normal use state, the torsional spring is in compression state, and the function of spacing locking is realized with the cooperation of transmission piece to the stopper on the baffle. When the portable night-vision device accidentally drops, the sliding block of the cylinder body can generate relative displacement in the sliding cavity under the action of gravity, and the sliding block can abut against the trigger block in the displacement process so as to enable the trigger block to horizontally slide. This technical scheme utilizes trigger block, transmission piece and connecting rod to constitute two slider mechanisms, consequently along with the horizontal slip of slider, the transmission piece also can vertically slide thereupon. The transmission block slides to enable the limiting block to lose the function of limiting locking, so that the baffle is rapidly reset to the position where the objective lens is shielded under the action of the torsion spring, and the objective lens is protected in time when the portable night vision device drops.
Compared with the prior art, the portable night vision device has the advantages that the effect of protecting the portable night vision device when falling can be achieved only by utilizing the mechanical mechanism, the safety of the portable night vision device is improved, and the service life of the night vision device is effectively prolonged.
Furthermore, a first pressure spring is fixedly connected between the sliding block and the inner wall of the sliding cavity.
Has the advantages that: according to the technical scheme, the first pressure spring is arranged between the sliding block and the sliding cavity, so that the effect that the sliding block is reset in time after sliding is achieved, and the sliding block can be repeatedly used in the sliding cavity for many times.
Furthermore, a horizontal first blind hole is formed in the side wall of the sliding cavity, and the trigger block is horizontally connected in the first blind hole in a sliding mode.
Has the advantages that: this technical scheme is through seting up first blind hole to guarantee that trigger block can the stable level free slip of holding.
Further, the bottom surface of the trigger block is an inclined surface.
Has the advantages that: according to the technical scheme, the bottom surface of the trigger block is limited to be the inclined surface, so that the trigger block can be smoothly extruded and horizontally moved in the moving process of the sliding block.
Furthermore, a vertical second blind hole is formed in the bottom of the cavity, and the transmission block is vertically connected in the second blind hole in a sliding mode.
Has the advantages that: this technical scheme is through seting up the second blind hole to guarantee that the transmission piece can remain stable vertical free slip.
Furthermore, a second pressure spring is connected between the transmission block and the second blind hole, and the top end of the transmission block is located in the cavity when the second pressure spring is in a free state.
Has the advantages that: this technical scheme realizes the effect that the transmission piece in time resets after sliding through setting up the second pressure spring between transmission piece and cavity to the transmission piece can be used repeatedly many times in the cavity.
Furthermore, one side of the transmission block close to the outside of the cavity is an inclined plane.
Has the advantages that: this technical scheme is the inclined plane through the lateral wall of injecing the driving block to in-process that the stopper can be smooth at the removal with the driving block extrusion removal and spacing.
Furthermore, a protective sleeve is fixedly adhered to the outer wall of the eyepiece.
Has the advantages that: this technical scheme is through pasting fixed protective sheath at the outer wall of eyepiece, and the buffering strip can play the cushioning effect to the eye on the one hand, improves user's travelling comfort, and on the other hand also can play the effect to buffer protection when the night-time vision device falls to ground.
Furthermore, the side wall of the baffle is provided with a groove used for being matched with the objective lens.
Has the advantages that: this technical scheme is through addding the recess to the baffle is in complete with objective and is cooperateed, improves the protection effect of baffle to objective.
Further, a rubber layer is fixed on the inner wall of the groove.
Has the advantages that: according to the technical scheme, the rubber layer is additionally arranged on the inner wall of the groove, so that the technical effect of buffering and protecting the objective lens is achieved.
Drawings
Fig. 1 is a schematic front view of a portable laser night vision device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic front view of a portable laser night vision device in a fall in accordance with one embodiment of the present invention;
FIG. 4 is a schematic front view of a portable laser night vision device after a fall in accordance with one embodiment of the present invention;
FIG. 5 is a schematic front view of a portable laser night vision device in accordance with an embodiment of the present invention; .
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a cylinder body 1, an objective lens 2, an ocular lens 3, a baffle plate 4, a groove 5, a limiting block 6, a limiting groove 7, a sliding cavity 8, a sliding block 9, a first pressure spring 10, a first blind hole 11, a trigger block 12, a cavity 13, a second blind hole 14, a transmission block 15, a second pressure spring 16, a connecting rod 17, a first trigger rod 18, a stop block 19, a third pressure spring 20 and a second trigger rod 21.
Example one
As shown in fig. 1 and 2, the portable laser night vision device includes a barrel 1, an objective lens 2, an eyepiece 3 and an interface region, wherein the objective lens 2 is integrally formed at the front end of the barrel 1, the eyepiece 3 is integrally formed at the tail end of the barrel 1, and a protective sleeve is fixedly adhered at the tail end of the eyepiece 3.
The side wall of the objective lens 2 of the cylinder body 1 is respectively hinged with a baffle 4, the hinged part of the baffle 4 is connected with a torsion spring, and when the torsion spring is in a free state, the baffle 4 shields the objective lens 2. The side wall of the baffle 4 is provided with a groove 5 which is buckled with the objective lens 2, and the inner wall of the groove 5 is fixed with a rubber layer. The baffle 4 is adjacent to the side wall of the barrel 1 and extends outwards to form a limiting block 6 in an integral mode. The bottom surface of the limiting block 6 is provided with a limiting groove 7 matched with the transmission block 15, and the outer wall of the bottom of the limiting block 6 is an inclined plane parallel to the side wall of the transmission block 15. A vertical sliding cavity 8 is formed in the cylinder body 1, a sliding block 9 is vertically and slidably connected in the sliding cavity 8, a first pressure spring 10 is fixedly connected to one side, away from the objective lens 2, of the sliding block 9, and one end, away from the sliding block 9, of the first pressure spring 10 is fixedly connected to the inner wall of the sliding cavity 8. The side wall of the sliding cavity 8 is provided with a first blind hole 11, a trigger block 12 is connected to the inner side of the first blind hole 11 in a horizontal sliding manner, the trigger block 12 is positioned above the sliding block 9, and the bottom surface of the trigger block 12 is an inclined surface.
The right side of the sliding cavity 8 is also provided with a cavity 13, and the right end of the cavity 13 is communicated with the outer wall. The bottom of cavity 13 is opened has second blind hole 14, and vertical sliding connection has drive block 15 in second blind hole 14, and drive block 15 is the smooth voussoir of outer wall. The side wall of the trigger block 12 is hinged with a connecting rod 17, and one end of the connecting rod 17 far away from the trigger block 12 is hinged with the side wall of the transmission block 15. And a second pressure spring 16 is fixedly connected with the transmission block 15 and the free end in the second blind hole 14. When the second pressure spring 16 is in a free state, the top end of the transmission block 15 is positioned in the cavity 13 and the left end of the trigger block 12 is positioned in the sliding cavity 8.
The specific implementation process is as follows: firstly, in a normal use state, the baffle 4 is tightly attached to the side wall of the cylinder body 1, and the limiting block 6 on the baffle 4 is inserted into the cavity 13. In the process that the limiting block 6 is inserted into the cavity 13, firstly, the limiting block 6 and the transmission block 15 are in mutual contact in parallel, and in the process that the limiting block 6 continues to extend into the cavity 13, the limiting block 6 can generate vertical downward extrusion force on the transmission block 15. Until the limiting groove 7 of the limiting block 6 is located right above the transmission block 15, the transmission block 15 is inserted into the limiting groove 7 under the reset action of the second pressure spring 16 to fix the limiting block 6.
As shown in fig. 3 and 4, when the operator accidentally drops the night vision device, the slider 9 may slide in the slide chamber 8 due to the acceleration of gravity. Because the bottom surface of the trigger block 12 is an inclined surface, in the sliding process of the sliding block 9, the sliding block 9 passes through the trigger block 12 and generates horizontal thrust to the trigger block 12, so that the sliding block 9 slides to the right in the first blind hole 11. And because the trigger block 12, the connecting rod 17 and the transmission block 15 form a double-slider mechanism, the transmission block 15 moves vertically downwards correspondingly as the trigger block 12 moves towards the right side. After the transmission block 15 completely gets into in the second blind hole 14, stopper 6 loses the limiting displacement of transmission block 15, and baffle 4 resets under the effect of torsional spring and rotates to objective 2 department, and the 5 locks of recess of 4 lateral walls of baffle are on objective 2's outer wall, and final baffle 4 plays the effect of sheltering from the protection to objective 2.
Example two
The difference between this embodiment and the first embodiment is that, as shown in fig. 5, a first trigger rod 18 is integrally formed on a right end side wall of the trigger block 12, a right end of the first trigger rod 18 extends outside the cylinder 1, and the first trigger rod 18 freely slides horizontally relative to the cylinder 1.
The bottom surface of the sliding cavity 8 is connected with a second trigger rod 21 in a sliding mode along the vertical direction, the bottom end of the second trigger rod 21 extends to the outside of the cylinder body 1, and the second trigger rod 21 vertically and freely slides relative to the cylinder body 1. The baffle 4 is integrally formed on the outer wall of the second trigger rod 21 in the sliding cavity 8, and a third pressure spring 20 is fixedly connected between the baffle 4 and the bottom surface of the sliding cavity 8. When the third pressure spring 20 is in a free state, the distance between the top end of the second trigger rod 21 and the bottom surface of the slider 9 is smaller than the distance between the bottom end of the second trigger rod 21 and the outer wall of the objective lens 2.
The specific implementation process comprises the following steps: when the portable laser night vision device falls and contacts the ground, when the end surface of the objective lens 2 contacts the ground, the bottom end of the second trigger lever 21 first contacts the ground, and the second trigger lever 21 moves upward relative to the barrel 1 by the force from the ground. The second trigger rod 21 can abut against the bottom surface of the sliding block 9 in the upward movement process, the sliding block 9 can move smoothly upward, the sliding block 9 moves upward to drive the trigger block 12, the connecting rod 17 and the transmission block 15 to move, and finally the baffle 4 shields the objective lens 2.
When the side wall of the barrel 1 contacts the ground, the outer end of the first trigger lever 18 first contacts the ground, and the second trigger lever 21 slides into the barrel 1 by the force from the ground. Because the second trigger bar 21 and the trigger block 12 are integrally formed, the second trigger bar 21 drives the trigger block 12 to move, the trigger block 12 drives the connecting rod 17 and the transmission block 15 to move, and finally the baffle 4 shields the objective lens 2.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (10)
1. Portable laser night-time vision device, including the barrel, the both ends of barrel are equipped with objective and eyepiece, its characterized in that respectively: the side wall of the objective lens is hinged with a baffle used for shielding the objective lens, a torsional spring is arranged at the hinged position of the baffle, and the baffle covers the objective lens when the torsional spring is in a free state; a sliding cavity is vertically formed in the cylinder body, a sliding block is connected in the sliding cavity in a sliding mode, and a trigger block is connected to the side wall of the sliding cavity in a horizontal sliding mode; a cavity communicated with the outside is formed in one side adjacent to the sliding cavity, a transmission block is vertically connected to the inner wall of the cavity in a sliding manner, and a connecting rod is hinged between the transmission block and the trigger block; the baffle lateral wall fixedly connected with is used for with transmission piece matched with stopper, the stopper can freely slide in the cavity.
2. The portable laser night vision device of claim 1, wherein: and a first pressure spring is fixedly connected between the sliding block and the inner wall of the sliding cavity.
3. The portable laser night vision device of claim 2, wherein: the sliding cavity side wall is provided with a horizontal first blind hole, and the trigger block is horizontally connected in the first blind hole in a sliding mode.
4. The portable laser night vision device of claim 3, wherein: the bottom surface of the trigger block is an inclined surface.
5. The portable laser night vision device of claim 4, wherein: and a vertical second blind hole is formed in the bottom of the cavity, and the transmission block is vertically and slidably connected in the second blind hole.
6. The portable laser night vision device of claim 5, wherein: and a second pressure spring is connected between the transmission block and the second blind hole, and the top end of the transmission block is positioned in the cavity when the second pressure spring is in a free state.
7. The portable laser night vision device of claim 1, wherein: one side of the transmission block close to the outside of the cavity is an inclined plane.
8. The portable laser night vision device of claim 1, wherein: and a protective sleeve is fixedly adhered to the outer wall of the eyepiece.
9. The portable laser night vision device of claim 1, wherein: the side wall of the baffle is provided with a groove used for being matched with the objective lens.
10. The portable laser night vision device of claim 9, wherein: and a rubber layer is fixed on the inner wall of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725545.4A CN111770259B (en) | 2020-07-24 | 2020-07-24 | Portable laser night vision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725545.4A CN111770259B (en) | 2020-07-24 | 2020-07-24 | Portable laser night vision device |
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| Publication Number | Publication Date |
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| CN111770259A true CN111770259A (en) | 2020-10-13 |
| CN111770259B CN111770259B (en) | 2021-08-17 |
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| CN202010725545.4A Expired - Fee Related CN111770259B (en) | 2020-07-24 | 2020-07-24 | Portable laser night vision device |
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| Publication number | Publication date |
|---|---|
| CN111770259B (en) | 2021-08-17 |
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Application publication date: 20201013 Assignee: Liaiwei Innovative Intelligent System (Zhejiang) Co.,Ltd. Assignor: Wenzhou University Contract record no.: X2021330000839 Denomination of invention: Portable laser night vision instrument Granted publication date: 20210817 License type: Common License Record date: 20211225 |
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