CN214669817U - Zoom lens and security camera - Google Patents
Zoom lens and security camera Download PDFInfo
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- CN214669817U CN214669817U CN202120993296.7U CN202120993296U CN214669817U CN 214669817 U CN214669817 U CN 214669817U CN 202120993296 U CN202120993296 U CN 202120993296U CN 214669817 U CN214669817 U CN 214669817U
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- zoom lens
- measuring
- mounting block
- lens barrel
- movable
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Abstract
The utility model discloses a zoom lens and security protection camera, the zoom lens includes lens cone, mobile carrier, measuring device and roll adjustment structure, the lens cone is provided with the inner chamber; the movable carrier is movably arranged in the inner cavity along the length direction of the lens barrel; the measuring device comprises a measuring part and a matching part, the measuring part is arranged on the movable carrier, and the matching part is arranged on the lens cone, so that when the movable carrier drives the measuring part to move to be aligned with the matching part, the measuring part and the matching part generate corresponding signals in an induction manner; the distance adjusting structure is connected with the lens cone and the matching part and/or the movable carrier and the measuring part so as to adjust the distance between the measuring part and the matching part, and the distance adjusting structure is simple to operate and convenient to disassemble and assemble.
Description
Technical Field
The utility model relates to a photography equipment technical field, in particular to zoom and security protection camera.
Background
The existing zoom lens can be provided with a magnetic sensor and a magnetic grid, and a sensing signal is generated between the magnetic sensor and the magnetic grid so as to detect the position change. In the prior art, the distance between a magnetic sensor and a magnetic grid is generally fixed, and the detection performance is adversely affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a zoom and security protection camera aims at solving the fixed problem of response distance in the present zoom.
To achieve the above object, the present invention provides a zoom lens, including:
a lens barrel provided with an inner cavity;
the movable carrier is movably arranged in the inner cavity along the length direction of the lens cone;
the measuring device comprises a measuring part and a matching part, the measuring part is arranged on the movable carrier, and the matching part is arranged on the lens cone, so that when the movable carrier drives the measuring part to move to be aligned with the matching part, the measuring part and the matching part generate corresponding signals in an induction manner; and the number of the first and second groups,
the distance adjusting structure is connected with the lens barrel and the matching part and/or connected with the movable carrier and the measuring part so as to adjust the distance between the measuring part and the matching part.
Optionally, the measuring part and/or the matching part constitute a movable part, and the corresponding moving carrier and/or the lens barrel constitute a fixed part;
the distance adjusting structure comprises a screw rotatably mounted on the fixed part and a first threaded hole formed in the movable part, the screw is in threaded connection with the first threaded hole, and the distance between the movable part and the fixed part is adjusted by adjusting the threaded connection depth between the screw and the first threaded hole;
the distance adjusting structure further comprises a stopping part arranged on the fixing part, and the stopping part is abutted against the side wall of the movable part so as to limit the movable part to rotate along the inner and outer directions.
Optionally, the distance adjusting structure further comprises a gasket arranged between the fixed part and the movable part, and the gasket is used for adjusting a preset distance between the movable part and the fixed part.
Optionally, the lateral wall of lens cone corresponds measuring part department is followed the inside and outside and is run through and is equipped with the hole of dodging, zoom still closes including the lid the apron in the hole of dodging, the apron orientation one side of measuring part is protruding to be equipped with first installation piece, first installation piece can pass the hole of dodging is in order to stretch into the inner chamber, cooperation portion install in first installation piece orientation one side of measuring part.
Optionally, the cover plate extends from one side of the first mounting block to the side to form a connecting plate, a connecting hole matched with the screw is formed in the connecting plate, and the gasket is clamped between the connecting plate and the side wall to adjust the distance between the first mounting block and the measuring part.
Optionally, the measuring part comprises a magnetic sensor, and the zoom lens further comprises a second mounting block, wherein the magnetic sensor is mounted on one side, facing the matching part, of the second mounting block;
the zoom lens further comprises a buckling structure, and the second mounting block can be mounted to the movable carrier through the buckling structure.
Optionally, the mobile carrier has a mounting area to which the second mounting block is mounted;
the zoom lens comprises at least two first limiting parts which are arranged on two opposite sides of the mounting area along the length direction of the lens barrel so as to limit the second mounting block to move along the length direction of the lens barrel; and/or the presence of a gas in the gas,
the zoom lens comprises at least two second limiting parts which are arranged on two opposite sides of the mounting area along the width direction of the lens barrel so as to limit the second mounting block to move along the width direction of the lens barrel.
Optionally, the zoom lens further includes at least two fasteners, the at least two fasteners are respectively disposed on two opposite sides of the mounting region along the width direction of the lens barrel, and the two fastening protrusions of the at least two fasteners are respectively disposed along the direction away from each other in the length direction of the lens barrel in a protruding manner, and the at least two fasteners are used for limiting the movement of the second mounting block along the inside and outside directions of the lens barrel.
Optionally, the second mounting block is a circuit board, one side of the circuit board facing the mating portion is bent in the inside and outside directions to form an electrical connection structure, and the electrical connection structure is used for being connected with an electrical butting structure on the lens barrel.
The utility model discloses still provide a security protection camera, including foretell a zoom, zoom includes:
a lens barrel provided with an inner cavity;
the movable carrier is movably arranged in the inner cavity along the length direction of the lens cone;
the measuring device comprises a measuring part and a matching part, the measuring part is arranged on the movable carrier, and the matching part is arranged on the lens cone, so that when the movable carrier drives the measuring part to move to be aligned with the matching part, the measuring part and the matching part generate corresponding signals in an induction manner; and the number of the first and second groups,
the distance adjusting structure is connected with the lens barrel and the matching part and/or connected with the movable carrier and the measuring part so as to adjust the distance between the measuring part and the matching part.
The technical scheme of the utility model in, measuring part locates remove the carrier, cooperation portion locates the lens cone, remove the carrier and drive measuring part activity to with cooperation portion is just to the time, measuring part with cooperation portion response produces corresponding signal, the lens cone with cooperation portion is fixed through the roll adjustment structural connection, perhaps remove the carrier with measuring part is fixed through the roll adjustment structural connection, perhaps the lens cone with cooperation portion with it is fixed that measurement portion all connects through the roll adjustment structural connection, thereby adjusts measuring part with distance between the cooperation portion until reaching the inductive distance that meets the requirements, easy operation, easy dismounting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a zoom lens according to the present invention;
FIG. 2 is a top view schematic diagram of the zoom lens of FIG. 1;
FIG. 3 is an enlarged schematic view of detail A of FIG. 2;
FIG. 4 is a schematic side view of the zoom lens of FIG. 1;
FIG. 5 is a schematic plan view of the mating portion of FIG. 3;
FIG. 6 is a schematic perspective view of the mobile carrier of FIG. 1;
fig. 7 is an enlarged schematic view of a portion B in fig. 6.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
52 | |
| 1 | Lens barrel | 53 | Connecting |
| 11 | |
531 | |
| 2 | Moving carrier | 6 | Fixing part |
| 3 | |
61 | Side wall |
| 31 | Measuring |
611 | Avoiding hole |
| 311 | |
7 | Buckling structure |
| 32 | Mating part | 71 | A |
| 321 | |
72 | Second limit part |
| 4 | |
73 | |
| 41 | |
74 | |
| 5 | |
741 | Electric connection structure |
| 51 | Cover plate |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The sensing distance between the magnetic sensor and the magnetic grid in the existing zoom lens has an important influence on the detection performance, but the adjustment of the sensing distance between the magnetic sensor and the magnetic grid is troublesome.
In view of this, the utility model provides a zoom lens to solve the unable problem of adjusting of present induction distance. Fig. 1 to 7 illustrate an embodiment of a zoom lens according to the present invention.
Referring to fig. 1 to 3, the zoom lens 100 includes a lens barrel 1, a movable carrier 2, a measuring device 3 and a distance adjusting structure 4, wherein the lens barrel 1 is provided with an inner cavity 11; the movable carrier 2 is movably arranged in the inner cavity 11 along the length direction of the lens barrel 1; the measuring device 3 comprises a measuring part 31 and a matching part 32, the measuring part 31 is arranged on the movable carrier 2, the matching part 32 is arranged on the lens barrel 1, so that when the movable carrier 2 drives the measuring part 31 to move to be aligned with the matching part 32, the measuring part 31 and the matching part 32 generate corresponding signals in an induction manner; the distance adjusting structure 4 connects the lens barrel 1 and the matching part 32, and/or connects the mobile carrier 2 and the measuring part 31, so as to adjust the distance between the measuring part 31 and the matching part 32.
The technical scheme of the utility model, measurement portion 31 locates remove carrier 2, cooperation portion 32 locates lens cone 1, it drives to remove carrier 2 measurement portion 31 activity to with cooperation portion 32 is just right to the time, measurement portion 31 with cooperation portion 32 response produces corresponding signal, lens cone 1 with cooperation portion 32 is connected fixedly through roll adjustment structure 4, perhaps remove carrier 2 with measurement portion 31 is connected fixedly through roll adjustment structure 4, perhaps lens cone 1 with cooperation portion 32 with removal carrier 2 with measurement portion 31 all connects fixedly through roll adjustment structure 4, thereby adjusts measurement portion 31 with distance between cooperation portion 32 until reaching the induction distance that meets the requirements, easy operation, easy dismounting.
Specifically, referring to fig. 3 to 5, the measuring portion 31 and/or the matching portion 32 constitute a movable portion 5, that is, both the measuring portion 31 and the matching portion 32 may be the movable portion 5, or alternatively constitute the movable portion 5, and the corresponding mobile carrier 2 and/or the lens barrel 1 constitute a fixed portion 6, in this embodiment, the matching portion 32 constitutes the movable portion 5, and the lens barrel 1 constitutes the fixed portion 6, so as to adjust the sensing distance between the matching portion 32 and the measuring portion 31. The distance adjusting structure 4 includes a screw 41 rotatably mounted on the fixed portion 6, and a first threaded hole 531 provided in the movable portion 5, the screw 41 is in threaded connection with the first threaded hole 531, by rotating the screw 41, the screwing depth between the screw 41 and the first threaded hole 531 can be changed, in order to limit the movable portion 5 to rotate along with the screw 41, a stop portion is added on the fixed portion 6, the stop portion can abut against the side wall 61 of the movable portion 5, of course, the form of the stop portion is not limited, the fixed portion 6 may be used for accommodating the side wall 61 of the inner groove of the movable portion 5, or a pin or a plurality of screws 41 may be used for limiting the movable portion 5 to rotate in the inner-outer direction, which is not limited. Thus, the screw 41 can be rotated to make the movable portion 5 have a stroke moving linearly along the inner and outer directions of the lens barrel 1, so as to adjust the sensing distance between the measuring portion 31 and the matching portion 32.
Further, referring to fig. 4 to 5, the distance adjusting structure 4 further includes a spacer disposed between the fixed portion 6 and the movable portion 5, and the spacer with a suitable thickness may be selected according to actual requirements to adjust a preset distance between the movable portion 5 and the fixed portion 6.
It should be noted that, if the gasket is added between the fixed portion 6 and the movable portion 5, the first threaded hole 531 may not be provided in the matching portion 32, and the screw 41 and the fixed portion 6 may be fixed by threaded connection, so that the sensing distance between the measuring portion 31 and the matching portion 32 may be adjusted by changing the thickness of the gasket.
Referring to fig. 2 to 5, in order to facilitate the installation of the movable portion 5 to the fixed portion 6, an avoiding hole 611 is penetratingly formed on the side wall 61 of the lens barrel 1 along the inner and outer directions corresponding to the measuring portion 31, the zoom lens 100 further includes a cover plate 51 covering the avoiding hole 611, a first installation block 52 is convexly formed on one side of the cover plate 51 facing the measuring portion 31, the first installation block 52 can pass through the avoiding hole 611 to extend into the inner cavity 11, and the matching portion 32 is installed on one side of the first installation block 52 facing the measuring portion 31. In this way, the first mounting block 52 can be mounted from the outside of the lens barrel 1, which facilitates the mounting and dismounting, so as to adjust the sensing distance between the matching part 32 and the measuring part 31.
Specifically, referring to fig. 3 and 5, the cover plate 51 extends from one side of the first mounting block 52 to a lateral side to form a connecting plate 53, the connecting plate 53 is provided with a connecting hole adapted to the screw 41, and the gasket is clamped between the connecting plate 53 and the side wall 61 to adjust a distance between the first mounting block 52 and the measuring portion 31, so as to facilitate assembly and disassembly, and to adjust an inductive distance between the matching portion 32 and the measuring portion 31.
Of course, in order to avoid the connecting plate 53 being mounted to the side wall 61, the position of the connecting plate 53 is shifted, which results in inconvenient mounting, the connecting plate 53 and the side wall 61 are provided with through holes, so that the pins can be inserted and positioned, and the screws 41 can be mounted more conveniently.
Referring to fig. 7, in an embodiment of the present invention, the measuring portion 31 includes a magnetic sensor 311, which can sense a signal with a magnetic grating 321 disposed on the matching portion 32 to detect a position change, the zoom lens 100 further includes a second mounting block 74, and the magnetic sensor 311 is mounted on a side of the second mounting block 74 facing the matching portion 32. The zoom lens 100 further comprises a snap structure 7, and the second mounting block 74 can be mounted to the mobile carrier 2 through the snap structure 7, so as to quickly mount or dismount the second mounting block 74.
In the present invention, the movable carrier 2 has an installation the installation area of the second installation block 74, the zoom lens 100 includes at least two first spacing portions 71, at least two the first spacing portions 71 are respectively disposed on the installation area along the length direction of the lens barrel 1 on the opposite sides (please refer to fig. 7) to limit the second installation block 74 along the length direction of the lens barrel 1 is movable, avoiding that the measurement portion 31 is not right opposite to the matching portion 32, resulting in inaccurate detection data.
In the present invention, the zoom lens 100 includes at least two second limiting portions 72, at least two the second limiting portions 72 are respectively disposed on the mounting area along the two opposite sides of the width direction of the lens barrel 1 to limit the second mounting block 74 along the width direction of the lens barrel 1 (please refer to fig. 7), so as to avoid the situation that the measuring portion 31 is not aligned with the matching portion 32, resulting in inaccurate detection data.
It should be noted that the two related technical features may be set simultaneously or alternatively, in this embodiment, the setting effect is better, and the two related technical features are set simultaneously along the length direction and the width direction of the lens barrel 1, so that the second mounting block 74 cannot move along the length direction and the width direction of the lens barrel 1, that is, the measuring portion 31 is always opposite to the matching portion 32, the fastening is stable and firm, and the mounting and dismounting are convenient.
Referring to fig. 1 and 7, in order to avoid inaccurate detection data caused by the movement of the second mounting block 74 along the inner and outer directions of the lens barrel 1 when the zoom lens 100 is in a working state, the zoom lens 100 further includes at least two fasteners 73, the at least two fasteners 73 are respectively disposed at two opposite sides of the mounting area along the width direction of the lens barrel 1, and the locking protrusions of the two fasteners 73 are respectively protruded along the direction away from each other in the length direction of the lens barrel 1 to limit the movement of the second mounting block 74 along the inner and outer directions of the lens barrel 1, so that the locking is stable and firm, and the assembly and disassembly are convenient.
Referring to fig. 7, in an embodiment of the second mounting block of the present invention, the second mounting block 74 is "i" shaped and has four protruding portions, wherein the first limiting portion 71 and the second limiting portion 72 abut against four side walls of the protruding portions, the buckle 73 abuts against the end surface of the protruding portion facing the mating portion 32, and the fastening is stable and reliable and is easy to assemble and disassemble.
Referring to fig. 1, 6 and 7, in order to facilitate the installation of the second mounting block 74 and avoid an installation error, the second mounting block 74 is a circuit board, the circuit board is bent toward one side surface of the mating portion 32 along an inner and outer direction to form an electrical connection structure 741, the electrical connection structure 741 is used for connecting with an electrical butting structure on the lens barrel 1, when the second mounting block 74 is installed, the relative position of the second mounting block 74 in the mounting area can be determined according to the bent portion, and the bent portion can protect the movable carrier 2 from being jammed into a gap between the movable carrier 2 and the lens barrel 1 when the movable carrier 2 moves along the length direction of the lens barrel 1.
Of course, the inductive matching between the measuring portion 31 and the matching portion 32 is not limited to the magnetic grating 321, and may be a grating, which is similar to the above structure, and therefore, the description thereof is omitted here.
The utility model discloses still provide a security protection camera, including zoom 100, zoom 100 includes foretell zoom 100's whole technical characteristics, consequently, also has the technological effect that above-mentioned whole technical characteristics brought, and here is no longer repeated one by one.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A zoom lens, comprising:
a lens barrel provided with an inner cavity;
the movable carrier is movably arranged in the inner cavity along the length direction of the lens cone;
the measuring device comprises a measuring part and a matching part, the measuring part is arranged on the movable carrier, and the matching part is arranged on the lens cone, so that when the movable carrier drives the measuring part to move to be aligned with the matching part, the measuring part and the matching part generate corresponding signals in an induction manner; and the number of the first and second groups,
the distance adjusting structure is connected with the lens barrel and the matching part and/or connected with the movable carrier and the measuring part so as to adjust the distance between the measuring part and the matching part.
2. The zoom lens according to claim 1, wherein the measurement portion and/or the engagement portion constitute a movable portion, and the corresponding moving carrier and/or the lens barrel constitute a fixed portion;
the distance adjusting structure comprises a screw rotatably mounted on the fixed part and a first threaded hole formed in the movable part, the screw is in threaded connection with the first threaded hole, and the distance between the movable part and the fixed part is adjusted by adjusting the threaded connection depth between the screw and the first threaded hole;
the distance adjusting structure further comprises a stopping part arranged on the fixing part, and the stopping part is abutted against the side wall of the movable part so as to limit the movable part to rotate along the inner and outer directions.
3. The zoom lens of claim 2, wherein the distance adjustment structure further comprises a spacer disposed between the fixed portion and the movable portion, the spacer being used to adjust a preset distance between the movable portion and the fixed portion.
4. The zoom lens according to claim 3, wherein an avoiding hole is formed through a side wall of the lens barrel corresponding to the measuring portion along an inward direction and an outward direction, the zoom lens further comprises a cover plate covering the avoiding hole, a first mounting block is convexly arranged on one side of the cover plate facing the measuring portion, the first mounting block can penetrate through the avoiding hole to extend into the inner cavity, and the matching portion is mounted on one side of the first mounting block facing the measuring portion.
5. The zoom lens according to claim 4, wherein the cover plate is formed with a connecting plate extending laterally from one side of the first mounting block, the connecting plate is provided with a connecting hole adapted to the screw, and the spacer is interposed between the connecting plate and the side wall to adjust a distance between the first mounting block and the measuring portion.
6. The zoom lens according to claim 1, wherein the measuring portion includes a magnetic sensor, the zoom lens further comprising a second mounting block, the magnetic sensor being mounted to a side of the second mounting block facing the fitting portion;
the zoom lens further comprises a buckling structure, and the second mounting block can be mounted to the movable carrier through the buckling structure.
7. The zoom lens of claim 6, wherein the moving carrier has a mounting area to which the second mounting block is mounted;
the zoom lens comprises at least two first limiting parts which are arranged on two opposite sides of the mounting area along the length direction of the lens barrel so as to limit the second mounting block to move along the length direction of the lens barrel; and/or the presence of a gas in the gas,
the zoom lens comprises at least two second limiting parts which are arranged on two opposite sides of the mounting area along the width direction of the lens barrel so as to limit the second mounting block to move along the width direction of the lens barrel.
8. The zoom lens according to claim 7, further comprising at least two fasteners, wherein the at least two fasteners are respectively disposed on two opposite sides of the mounting region along a width direction of the lens barrel, and the two fastening protrusions of the two fasteners are respectively disposed along a direction away from each other in a length direction of the lens barrel, and the fasteners are configured to limit movement of the second mounting block along an inner and outer direction of the lens barrel.
9. The zoom lens according to claim 6, wherein the second mounting block is a circuit board, one side of the circuit board facing the mating portion is bent in an inner and outer direction to form an electrical connection structure, and the electrical connection structure is used for connecting with an electrical docking structure on the lens barrel.
10. A security camera characterized by comprising the zoom lens according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993296.7U CN214669817U (en) | 2021-05-10 | 2021-05-10 | Zoom lens and security camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993296.7U CN214669817U (en) | 2021-05-10 | 2021-05-10 | Zoom lens and security camera |
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| Publication Number | Publication Date |
|---|---|
| CN214669817U true CN214669817U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120993296.7U Active CN214669817U (en) | 2021-05-10 | 2021-05-10 | Zoom lens and security camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214669817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126241A (en) * | 2021-05-10 | 2021-07-16 | 中山联合光电科技股份有限公司 | Zoom lens and security camera |
-
2021
- 2021-05-10 CN CN202120993296.7U patent/CN214669817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126241A (en) * | 2021-05-10 | 2021-07-16 | 中山联合光电科技股份有限公司 | Zoom lens and security camera |
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