CN213023872U - Single-buckle type quick-release lens cover - Google Patents
Single-buckle type quick-release lens cover Download PDFInfo
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- CN213023872U CN213023872U CN202022293259.3U CN202022293259U CN213023872U CN 213023872 U CN213023872 U CN 213023872U CN 202022293259 U CN202022293259 U CN 202022293259U CN 213023872 U CN213023872 U CN 213023872U
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- outer cover
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Abstract
A single-buckle type quick-release lens cover is used for protecting a lens and comprises an outer cover, a return spring and a movable buckle, wherein a sliding groove and a containing groove communicated with the sliding groove are formed in the outer cover, and the return spring is placed in the containing groove; the movable buckle comprises a movable part, a pressing part and an engaging part, the movable part is arranged in the sliding groove, one end of a reset spring is contacted with the groove wall of the accommodating groove, the other end of the reset spring is contacted with the movable part of the movable buckle, the pressing part extends out of the outer cover, the engaging part is provided with threads, and the threads arranged on the engaging part are engaged with the threads arranged on the lens. The utility model discloses simple structure, the manufacturing process degree of difficulty is low and the cost is lower, has abandoned current screw thread mounting means with rotatory enclosing cover, detains the convenient installation that realizes the enclosing cover and takes off the operation through the activity that can press, and the operation is felt by force.
Description
Technical Field
The utility model relates to a lens cap field, concretely relates to single-buckle formula quick detach lens cap.
Background
With the development of optical imaging technology, a lens is widely used in various imaging devices such as a digital camera and a video camera, and generally includes a base, a lens barrel installed in the base, and a lens in the lens barrel.
At present, the existing lens front-end glass is exposed outside, is easy to scrape with the outside to leave scratches, and even is easy to damage due to collision, so that the lens cover is arranged to protect the lens glass from being damaged. However, in the lens in the prior art, the lens protective cover is connected and installed through the external thread tapped on the lens protective cover, and the lens protective cover needs to be installed in a threaded rotating mode during installation, so that the lens protective cover is troublesome to use, cannot be operated by one hand, and reduces the operation feeling.
Disclosure of Invention
According to the problem that the background art provided, the utility model provides a single knot formula quick detach lens cap solves, it is right next the utility model discloses do further to explain.
A single-buckle type quick-release lens cover is used for protecting a lens and comprises an outer cover, a return spring and a movable buckle, wherein a sliding groove and a containing groove communicated with the sliding groove are formed in the outer cover, and the return spring is placed in the containing groove; the movable buckle comprises a movable part, a pressing part and an engaging part, the movable part is arranged in the sliding groove, one end of a reset spring is contacted with the groove wall of the accommodating groove, the other end of the reset spring is contacted with the movable part of the movable buckle, the pressing part extends out of the outer cover, the engaging part is provided with threads, and the threads arranged on the engaging part are engaged with the threads arranged on the lens.
Preferably, the movable part is provided with an elongated slot, the outer cover is further provided with a positioning pin, the positioning pin is located in the elongated slot, and the movable buckle is prevented from falling off from the outer cover when the outer cover is removed through the matching of the positioning pin and the elongated slot.
Preferably, the movable buckle further comprises a contact part, wherein the contact part is a step cambered surface and is tightly attached to the outer cover during assembly; the displacement distance of the movable buckle is limited.
Preferably, the number of the accommodating grooves on the outer cover is two, the accommodating grooves are symmetrical relative to the elongated groove, and a return spring is arranged in each accommodating groove, so that the action of the movable buckle is stable.
Preferably, the outer cover is further provided with an inner cover on the side facing the lens, the edge of the inner cover is provided with threads, the inner side of the outer cover is also provided with threads, the inner cover is connected to the outer cover through the threads, and the inner cover is convenient to mount a return spring and a movable buckle and isolates the lens to further protect the lens.
The utility model discloses a screw thread of the meshing portion that the activity was detained meshes with the screw thread face of camera lens, and the external cover is realized at the ascending rigidity in axial by the screw thread meshing face, and reset spring's elasticity realizes that the external cover is at the ascending rigidity in footpath, and then realizes fixing the effect on the camera lens with the external cover.
Has the advantages that: compared with the prior art, the utility model discloses simple structure, the manufacturing process degree of difficulty is low and the cost is lower, has abandoned current screw thread mounting means with rotatory enclosing cover, detains the convenient installation that realizes the enclosing cover and takes off the operation through the activity that can press, and the operation is felt by force.
Drawings
FIG. 1: the utility model has a radial structural section;
FIG. 2: the utility model has an axial structural section;
FIG. 3: the structure of the movable buckle of the utility model is shown schematically;
FIG. 4: the utility model is an effect picture after installation;
in the figure: the outer cover 1, the sliding groove 11, the accommodating groove 12, the return spring 2, the movable buckle 3, the movable part 31, the contact part 32, the pressing part 33, the engaging part 34, the long groove 311, the inner cover 4 and the positioning pin 5.
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to fig. 1-4.
A single-buckle type quick-release lens cover is used for protecting a lens and comprises an outer cover 1, a return spring 2 and a movable buckle 3, wherein a sliding groove 11 and a containing groove 12 communicated with the sliding groove 11 are formed in the outer cover 1, the return spring 2 is placed in the containing groove 12, the movable buckle 3 comprises a movable part 31, a contact part 32, a pressing part 33 and a meshing part 34 which are connected into a whole, the movable part 31 is arranged in the sliding groove 11, one end of the return spring 2 is contacted on the groove wall of the containing groove 12, the other end of the return spring is contacted on the movable part 31 of the movable buckle 3, the pressing part 33 extends out of the outer cover 1 for a user to press and use, threads are arranged on the meshing part 34, threads arranged on the meshing part 34 are in threaded engagement with the lens, and threaded engagement surfaces are fastened under the action of the return spring 2.
The contact part 32 is a step arc surface and is tightly attached to the outer cover 1 during assembly, so that the displacement distance of the movable buckle 3 is limited.
The movable part 31 is provided with a long groove 311, the outer cover 1 is further provided with a positioning pin 5, the positioning pin 5 is positioned in the long groove 311, and the movable buckle 3 is prevented from falling off from the outer cover 1 when the outer cover 1 is taken down through the matching of the positioning pin 5 and the long groove 311.
The number of the containing grooves 12 on the outer cover 1 is two and is symmetrical about the long groove 311, and a return spring 2 is arranged in each containing groove 12, so that the action of the movable buckle 3 is stable.
It is worth explaining, the utility model discloses when using, also be equipped with the screw thread on the protected lens, but its and enclosing cover 1 on the activity detain 3 the screw thread not spiral shell screwing in installation, when the installation, press the activity and detain 3 compression reset spring 2, with enclosing cover 1 with the direct knot of axial direction of camera lens back pine activity knot 3 of detaining, reset spring 2 drive activity is detained 3 and is reset, the activity is detained 3 the screw thread of the meshing portion 34 and the thread face meshing of camera lens, thread meshing face realizes enclosing cover 1 at the ascending rigidity in axial, reset spring 2's elasticity realizes enclosing cover 1 at radial rigidity, and then realizes fixing the effect on the camera lens with enclosing cover 1.
Still be equipped with inner cup 4 on enclosing cover 1 towards camera lens one side, the 4 edges of inner cup set up the screw thread, and 1 inboards of enclosing cover also are equipped with the screw thread, and inner cup 4 passes through threaded connection on enclosing cover 1, the existence of inner cup 4 is convenient for install reset spring and activity on the one hand and is detained, and on the other hand keeps apart the camera lens in order to further protect the camera lens.
The utility model discloses simple structure, the manufacturing process degree of difficulty is low and the cost is lower, has abandoned current screw thread mounting means with rotatory enclosing cover, detains the convenient installation that realizes the enclosing cover and takes off the operation through the activity that can press, and the operation is felt by force.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a single knot formula quick detach lens cap for protect camera lens, its characterized in that: the anti-theft device comprises an outer cover (1), a return spring (2) and a movable buckle (3), wherein a sliding groove (11) and a containing groove (12) communicated with the sliding groove (11) are formed in the outer cover (1), and the return spring (2) is placed in the containing groove (12);
the movable buckle (3) comprises a movable part (31), a pressing part (33) and an engaging part (34), the movable part (31) is arranged in the sliding groove (11), one end of the reset spring (2) is in contact with the groove wall of the accommodating groove (12), the other end of the reset spring is in contact with the movable part (31) of the movable buckle (3), the pressing part (33) extends out of the outer cover (1), the engaging part (34) is provided with threads, and the threads arranged on the engaging part (34) are in threaded engagement with the lens.
2. The single-buckle quick-release lens cover according to claim 1, wherein: the movable part (31) is provided with a long groove (311), the outer cover (1) is further provided with a positioning pin (5), and the positioning pin (5) is located in the long groove (311).
3. The single-buckle quick-release lens cover according to claim 1, wherein: the movable buckle (3) also comprises a contact part (32), wherein the contact part (32) is a step cambered surface and is tightly attached to the outer cover (1) during assembly.
4. The single-buckle quick-release lens cover according to claim 1, wherein: the number of the containing grooves (12) on the outer cover (1) is two, the containing grooves (12) are symmetrical about the long grooves (311), and a return spring (2) is arranged in each containing groove (12).
5. The one-piece quick release lens cover according to any one of claims 1-4, wherein: the outer cover (1) is also provided with an inner cover (4) on one side facing the lens.
6. The lens cover of claim 5, wherein: the edge of the inner cover (4) is provided with threads, the inner side of the outer cover (1) is also provided with threads, and the inner cover (4) is connected to the outer cover (1) through the threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022293259.3U CN213023872U (en) | 2020-10-15 | 2020-10-15 | Single-buckle type quick-release lens cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022293259.3U CN213023872U (en) | 2020-10-15 | 2020-10-15 | Single-buckle type quick-release lens cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213023872U true CN213023872U (en) | 2021-04-20 |
Family
ID=75480876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022293259.3U Active CN213023872U (en) | 2020-10-15 | 2020-10-15 | Single-buckle type quick-release lens cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213023872U (en) |
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2020
- 2020-10-15 CN CN202022293259.3U patent/CN213023872U/en active Active
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