CN115628390A

CN115628390A - Camera shock attenuation anti-shake device

Info

Publication number: CN115628390A
Application number: CN202211382770.8A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shanghai Smart Control Co Ltd
Current assignee: Shanghai Smart Control Co Ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-01-20

Abstract

The invention discloses a camera shock absorption and anti-shake device, wherein a camera mounting seat is fixedly arranged on a wall, a mounting hole is formed in the camera mounting seat, one end of a rotating shaft is inserted in the mounting hole and is fixedly connected to the camera mounting seat through a shaft fixing screw, a bearing seat is arranged on one side of the camera mounting seat, a shaft hole is formed in the bearing seat, a bearing is fixedly arranged in the shaft hole and is fixedly connected with the rotating shaft, a camera body is fixedly arranged at the bottom of the bearing seat, and a damping mechanism is further fixedly arranged on one side of the bearing seat. According to the camera shock absorption and anti-shake device provided by the invention, the bearing seat is rotatably connected to the rotating shaft, and when the camera mounting seat shakes, the bearing seat can rotate around the rotating shaft, so that the direction of the camera body is always downward, the influence of vibration is counteracted, and the good imaging quality is ensured.

Description

Camera shock attenuation anti-shake device

Technical Field

The invention relates to the field of camera anti-shake technical devices, in particular to a camera shock absorption anti-shake device.

Background

The security camera is an image acquisition device aiming at security video monitoring, has the main characteristics of high sensitivity, small volume, long service life, shock resistance and the like, and is widely applied to the fields of security protection, intelligent transportation, intelligent home and the like. However, when the existing security camera is used outdoors, particularly in the weather environment such as strong wind, the camera inevitably shakes, so that the imaging quality is poor.

Disclosure of Invention

The invention aims to solve the technical problem that when the existing security camera is used outdoors, the existing security camera shakes to cause poor imaging quality. In order to overcome the defects of the prior art, the invention provides the camera damping and anti-shaking device, the bearing block is rotatably connected to the rotating shaft, and when the camera mounting seat shakes, the bearing block can rotate around the rotating shaft, so that the camera body always faces downwards to offset the influence of vibration, and good imaging quality is ensured.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a camera shock-absorbing and anti-shaking device which comprises a camera mounting seat, a rotating shaft, a shaft fixing screw, a bearing seat, a bearing, a camera body and a damping mechanism, wherein the camera mounting seat is fixedly arranged on a wall, a mounting hole is formed in the camera mounting seat, one end of the rotating shaft is inserted in the mounting hole, the rotating shaft is fixedly connected to the camera mounting seat through the shaft fixing screw, the bearing seat is arranged on one side of the camera mounting seat, a shaft hole is formed in the bearing seat, the bearing is fixedly arranged in the shaft hole, the bearing is fixedly connected with the rotating shaft, the camera body is fixedly arranged at the bottom of the bearing seat, and the damping mechanism is further fixedly arranged on one side of the bearing seat.

In a preferred technical scheme of the invention, the rotating shaft is provided with a first clamp spring groove, and the shaft is clamped in a second clamp spring groove by a clamp spring.

In a preferred technical scheme of the invention, a second clamp spring groove is formed in the inner side wall of the shaft hole, and the hole is clamped in the first clamp spring groove through a clamp spring.

In a preferred technical scheme of the invention, the damping mechanism comprises a fixed seat, a wear-resistant plastic part and a fastening screw, the fixed seat is fixedly arranged on one side of the bearing seat, the fixed seat and the wear-resistant plastic part are of semicircular structures, the fixed seat and the wear-resistant plastic part are respectively arranged on two sides of the rotating shaft, threaded holes are respectively formed in the fixed seat and the wear-resistant plastic part, and the fastening screw is in threaded connection with the threaded holes to fixedly connect the fixed seat and the wear-resistant plastic part.

In a preferred technical scheme of the invention, the fastening screw is further sleeved with an adjusting spring.

In a preferred technical scheme of the invention, the camera mounting seat comprises a connecting plate, a sleeve, a shaft plate, an extrusion block, an arc plate, a compression spring and balls, wherein the connecting plate is fixedly arranged on the wall, the sleeve is fixedly arranged at the bottom of the connecting plate, the top end of the shaft plate is inserted into the sleeve, the mounting hole is arranged on the shaft plate, the extrusion blocks are fixedly arranged on two sides of the shaft plate, the arc plates are symmetrically arranged at the upper end and the lower end of each extrusion block, one end of each arc plate is fixedly arranged on the inner side wall of the sleeve, the other end of each arc plate is connected onto the inner side wall of the sleeve through the compression spring, the balls are further connected to the outer side of each arc plate in a rolling manner, and the balls can be abutted against the extrusion blocks.

In a preferred technical scheme of the invention, an energy dissipation mechanism is fixedly arranged in the sleeve and comprises a limit stop, a sliding support, a connecting rod, an installation block, a rubber friction strip, a wedge-shaped block and a cord, wherein the limit stop is arranged at both ends of the extrusion block and fixedly connected with the inner side wall of the sleeve, a sliding groove is formed in the inner side of the limit stop, the sliding support is slidably connected in the sliding groove, the connecting rod is arranged in the inner side of the arc-shaped plate, one end of the connecting rod is fixedly connected with the sliding support, the installation block is further fixedly arranged on the limit stop, a sliding cavity is formed in the installation block, two or more sliding holes are sequentially formed in one side of the sliding cavity from top to bottom and communicated with the sliding cavity, the rubber friction strip is slidably connected in the sliding hole and can be abutted against the shaft plate, the wedge-shaped block is slidably connected in the sliding cavity, one end of the cord is fixedly connected with the sliding support, and the other end of the cord is fixedly connected with the top end of the wedge-shaped block.

The beneficial effects of the invention are as follows:

according to the camera damping and anti-shaking device, the bearing block is rotatably connected to the rotating shaft, and when the camera mounting seat shakes, the bearing block can rotate around the rotating shaft, so that the camera body always faces downwards to counteract the influence of vibration, and good imaging quality is ensured; by arranging the damping mechanism, the friction force between the wear-resistant plastic part and the rotating shaft can be adjusted, and the friction energy consumption effect is improved; through mutually supporting between extrusion piece, arc and the power consumption mechanism, can offset the shake of vertical direction, and the power consumption mechanism can also automatically regulated axle plate receive the frictional force, avoids the too big axle plate collision connecting plate that causes of amplitude, damages spare part and produces the condition of great noise.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a shock-absorbing and anti-shake device for a camera according to an embodiment of the present invention;

FIG. 2 is a half sectional view of FIG. 1;

FIG. 3 is a schematic structural view of the camera mount of FIG. 1;

fig. 4 is a partially enlarged schematic view at a in fig. 3.

In the figure:

1. a camera mounting base; 11. mounting holes; 12. a connecting plate; 13. a sleeve; 14. a shaft plate; 15. extruding the block; 16. an arc-shaped plate; 17. a compression spring; 18. a ball bearing; 2. a rotating shaft; 21. a first clamp spring groove; 3. a shaft fixing screw; 4. a bearing seat; 41. a shaft hole; 42. a second clamp spring groove; 5. a bearing; 6. a camera body; 7. a damping mechanism; 71. a fixed seat; 72. a wear resistant plastic part; 73. fastening screws; 74. a threaded hole; 75. adjusting the spring; 8. a clamp spring for the shaft; 9. a clamp spring for the hole; 10. an energy consuming mechanism; 101. a limit stop block; 1011. a chute; 102. a sliding support; 103. a connecting rod; 104. mounting blocks; 1041. a sliding cavity; 1042. a slide hole; 105. a rubber rubbing strip; 106. a wedge block; 107. a string.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-4, the embodiment provides a camera shock absorption and anti-shake device, including camera mount pad 1, pivot 2, axle set screw 3, bearing frame 4, bearing 5, camera body 6 and damping mechanism 7, camera mount pad 1 sets firmly on the wall, mounting hole 11 has been seted up on

camera mount pad

1, 2 one ends of pivot are pegged graft in mounting hole 11, and pivot 2 is through 3 fixed connection of axle set screw to camera mount pad 1, camera mount pad 1 one side is provided with bearing frame 4, shaft hole 41 has been seted up on bearing frame 4, bearing 5 sets firmly in shaft hole 41, and bearing 5 and pivot 2 fixed connection, camera body 6 sets firmly in the bottom of bearing frame 4, bearing frame 4 one side still sets firmly damping mechanism 7.

In this embodiment, camera mount pad 1 passes through fastening bolt to be fixed on the wall, easy to assemble and dismantlement. The mounting hole 11 is the shoulder hole, and the disc base has set firmly in the one end of pivot 2, has seted up more than two through-holes on the disc base, and the through-hole circumference more than two is arranged on the disc base, and the mountable of axle set screw 3 is in the through-hole, with

pivot

2 and 1 fixed connection of camera mount pad. Bearing frame 4 sets up on the right side of camera mount pad 1, and mounting hole 11 also is the shoulder hole, and mounting hole 11 and the coaxial setting in shaft hole 41, and bearing frame 4 cover is located on pivot 2, and bearing frame 4 passes through bearing 5 and pivot 2 fixed connection for bearing frame 4 can be rotatory round pivot 2. The camera body 6 is fixedly arranged at the bottom of the bearing seat 4, and when the camera body 6 and the bearing seat 4 are vibrated, the camera body can rotate around the rotating shaft 2 under the self-weight action of the camera body 6 and the bearing seat 4, so that the orientation of the camera body 6 is always downward, and the imaging quality can be ensured. The damping mechanism 7 is used for adjusting the friction force between the bearing seat 4 and the rotating shaft 2, and the friction energy consumption effect is improved.

Specifically, a first clamp spring groove 21 is formed in the rotating shaft 2, and the shaft clamp spring 8 is clamped in the second clamp spring groove 21. In this embodiment, through setting up jump ring 8 for the axle for the restriction bearing 5's axial degree of freedom, and then with bearing frame 4,

pivot

2 and 1 body coupling of camera mount pad.

Specifically, a second clamp spring groove 42 is formed in the inner side wall of the shaft hole 41, and the hole clamp spring 9 is clamped in the first clamp spring groove 42. In this embodiment, the circlip 9 for hole is provided to fix the bearing 5 in the shaft hole 41.

Specifically, damping mechanism 7 includes fixing base 71, wear-resisting working of plastics 72 and fastening screw 73, and fixing base 71 sets firmly in bearing frame 4 one side, and fixing base 71 and wear-resisting working of plastics 72 are semicircle ring structure, and fixing base 71 and wear-resisting working of plastics 72 set up respectively in the both sides of pivot 2, all seted up threaded hole 74 on fixing base 71 and the wear-resisting working of plastics 72, and fastening screw 73 threaded connection is in threaded hole 74, with fixing base 71 and wear-resisting working of plastics 72 fixed connection.

In this embodiment, the fixing base 71 and the wear-resistant plastic part 72 are both semicircular ring structures, and the fixing base 71 and the wear-resistant plastic part 72 can be spliced into a complete circular ring and sleeved on the rotating shaft 2. The fixing base 71 is disposed between the camera mounting base 1 and the bearing base 4, and the fixing base 71 is coaxially arranged with the shaft hole 41. Protruding edges are fixedly arranged at two ends of the fixing seat 71 and the wear-resistant plastic part 72, the threaded hole 74 is formed in the protruding edges, and the fastening screw 73 is used for fixing the wear-resistant plastic part 72 on the fixing seat 71.

Specifically, the fastening screw 73 is further sleeved with an adjusting spring 75. In this embodiment, one end of the adjusting spring 75 abuts against the wear-resistant plastic part 72, the other end of the adjusting spring 75 abuts against the head of the fastening screw 73, and the prestress of the adjusting spring 75 can be changed through the knob fastening screw 73, so that the pressure of the wear-resistant plastic part 72 on the rotating shaft 2 can be adjusted, and the effect of adjusting the friction force is achieved.

Concretely, camera mount pad 1 includes connecting plate 12, sleeve 13, axial plate 14, extrusion piece 15, arc 16, compression spring 17 and ball 18, connecting plate 12 sets firmly on the wall, connecting plate 12 bottom has set firmly sleeve 13, peg graft in sleeve 13 on the 14 tops of axial plate, and mounting hole 11 is located

axial plate

14, 14 both sides of axial plate have all set firmly extrusion piece 15, both ends symmetry is provided with arc 16 about

extrusion piece

15, and 16 one end of arc sets firmly in sleeve 13 inside wall, the 16 other end of arc is connected to on the sleeve 13 inside wall through compression spring 17, there is ball 18 outside arc 16 roll connection still, ball 18 can the butt with extrusion piece 15.

In this embodiment, the connecting plate 12 is a flat plate, and the connecting plate 12 is fixed on the wall surface by fastening bolts. The sleeve 13 is a square sleeve, and the sleeve 13 and the connecting plate 12 cooperate to form a cavity, and the bottom of the cavity is communicated with the outside. 14 bit flat plate structures of axletree board, mounting hole 11 sets up at the lower half section department of axletree board 14, and mounting hole 11 is located the below of sleeve 13 all the time to guarantee that pivot 2 does not take place to interfere with sleeve 13. Two wedge-shaped inclined planes are symmetrically arranged at the free end of the extrusion block 15 up and down, and the wedge-shaped inclined planes can be abutted to the ball 18. The arc-shaped plate 16 is made of elastic steel sheets, can be bent and deformed when being extruded, and can automatically recover when losing force, the balls 18 are more than two, and the balls 18 more than two are evenly arranged on the outer side wall of the arc-shaped plate 16.

Specifically, an energy consumption mechanism 10 is further fixedly arranged in the sleeve 13, the energy consumption mechanism 10 includes a limit stop 101, a sliding support 102, a connecting rod 103, an installation block 104, a rubber friction strip 105, a wedge block 106 and a cord 107, both ends of the extrusion block 15 are provided with the limit stop 101, the limit stop 101 is fixedly connected with the inner side wall of the sleeve 13, the inner side of the limit stop 101 is provided with a chute 1011, the sliding support 102 is slidably connected in the chute 1011, the connecting rod 103 is arranged on the inner side of the arc-shaped plate 16, one end of the connecting rod 103 is fixedly connected with the sliding support 102, the installation block 104 is further fixedly arranged on the limit stop 101, a sliding cavity 1041 is formed in the installation block 104, one side of the sliding cavity 1041 is sequentially provided with more than two sliding holes 1042 from top to bottom, the sliding holes 1042 are communicated with the sliding cavity 1041, the rubber friction strip 105 is slidably connected with the shaft plate 14, the wedge block 106 is slidably connected in the sliding cavity 1041, one end of the cord 107 is fixedly connected with the sliding support 102, and the other end of the cord 107 is fixedly connected with the top end of the wedge block 106.

In this embodiment, both sides all are provided with a limit stop 101 around the arc 16, and the long bar structure of limit stop 101 is long, and limit stop 101 and the perpendicular setting of sleeve 13 inside wall for the moving range of restriction extrusion piece 15, the free end of limit stop 101 rotates and is connected with the gyro wheel, and the gyro wheel can the butt with the side of axial lamella 14, can play the effect of direction. The sliding grooves 1011 are arranged on one side of the limit stops 101 close to the arc-shaped plate 16, and the sliding supports 102 on two adjacent limit stops 101 are fixedly connected through a connecting rod 103. The mounting block 104 is fixedly arranged at the top of the limit stop 101, and a gap is reserved between the mounting block 104 and the shaft plate 14. The slide holes 1042 are located on one side of the slide cavity 1041 close to the axle plate 14, two or more slide holes 1042 are arranged in parallel, a rubber friction strip 105 is slidably connected in each slide hole 1042, and one end of each rubber friction strip 105 can abut against an inclined surface of the wedge 106. The wedge block 106 is disposed in the sliding chamber 1041, and the wedge block 106 can move up and down along the sliding chamber 1041. A wire 107 is used to connect the wedge block 106 and the shoe 102 so that the wedge block 106 and the shoe 102 can move in unison.

The working principle is as follows: when the camera body 6 is vibrated, the bearing seat 4 can rotate around the rotating shaft 2 under the action of the gravity of the camera body 6 and the bearing seat 4, and the direction of the camera body 6 is always downward so as to counteract the vibration in the horizontal direction; meanwhile, under the action of vertical vibration, the shaft plate 14 and the sleeve 13 are driven to slide relatively, at this time, the shaft plate 14 drives the extrusion block 15 to slide upward relative to the sleeve 13, the extrusion block 15 slides upward to extrude the arc-shaped plate 16, so that the arc-shaped plate 16 is bent and deformed to consume vibration energy, the arc-shaped plate 16 bends to extrude the compression spring 17, further consume vibration energy, and meanwhile, the arc-shaped plate 16 bends to drive the connecting rod 103 to slide, so that the sliding support 102 slides left and right in the sliding groove 1011, the sliding support 102 slides to drive the wedge-shaped block 106 to move upward along the sliding cavity 1041 through the cord 107, so as to push the rubber friction strips 105 to gradually abut against the side wall of the shaft plate 14 from bottom to top, so as to dissipate energy through friction, that when the extrusion block 15 moves to the highest point, the rubber friction strips 105 abutting against the side wall of the shaft plate 14 are more numerous, the friction resistance is greater, so that the moving speed of the shaft plate 14 is gradually reduced, and when the extrusion block 15 moves to the highest point, under the action of resilience of the compression spring 17 and the arc-shaped plate 16, the original position is restored, and the damping effect of the sliding of the shaft plate 14 is achieved, and the damping effect of the vertical sliding and the damping effect of the shaft plate 14 is achieved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a camera shock attenuation anti-shake device which characterized in that: including camera mount pad (1), pivot (2), axle set screw (3), bearing frame (4), bearing (5), camera body (6) and damping mechanism (7), camera mount pad (1) sets firmly on the wall, mounting hole (11) have been seted up on camera mount pad (1), pivot (2) one end is pegged graft in mounting hole (11), and pivot (2) are through axle set screw (3) fixed connection to camera mount pad (1) on, camera mount pad (1) one side is provided with bearing frame (4), shaft hole (41) have been seted up on bearing frame (4), bearing (5) set firmly in shaft hole (41), and bearing (5) and pivot (2) fixed connection, camera body (6) set firmly in bearing frame (4) bottom, damping mechanism (7) have still set firmly on one side of bearing frame (4).

2. The camera damping and anti-shake device according to claim 1, wherein: a first clamp spring groove (21) is formed in the rotating shaft (2), and a clamp spring (8) for the shaft is clamped in the second clamp spring groove (21).

3. The camera damping and anti-shake device according to claim 1, wherein: and a second clamp spring groove (42) is formed in the inner side wall of the shaft hole (41), and the hole clamp spring (9) is clamped in the first clamp spring groove (42).

4. The camera damping and anti-shake device according to claim 1, wherein: damping mechanism (7) are including fixing base (71), wear-resisting working of plastics (72) and fastening screw (73), and fixing base (71) set firmly in bearing frame (4) one side, and fixing base (71) and wear-resisting working of plastics (72) are the semicircle ring structure, and fixing base (71) and wear-resisting working of plastics (72) set up respectively in the both sides of pivot (2), all set up threaded hole (74) on fixing base (71) and the wear-resisting working of plastics (72), fastening screw (73) threaded connection is in threaded hole (74), with fixing base (71) and wear-resisting working of plastics (72) fixed connection.

5. The camera damping and anti-shake device according to claim 4, wherein: an adjusting spring (75) is sleeved on the fastening screw (73).

6. The camera damping and anti-shake device according to claim 1, wherein: camera mount pad (1) is including connecting plate (12), sleeve (13), axial lamella (14), extrusion piece (15), arc (16), compression spring (17) and ball (18), connecting plate (12) set firmly in on the wall, sleeve (13) have set firmly to connecting plate (12) bottom, peg graft in sleeve (13) on axial lamella (14) top, just mounting hole (11) are located axial lamella (14), and axial lamella (14) both sides have all set firmly extrusion piece (15), and both ends symmetry is provided with arc (16) about extrusion piece (15), and arc (16) one end sets firmly in sleeve (13) inside wall, and arc (16) other end is connected to on sleeve (13) inside wall through compression spring (17), and arc (16) outside still roll connection has ball (18), and ball (18) and extrusion piece (15) can the butt.

7. The camera shock-absorbing and anti-shake device according to claim 6, wherein: an energy consumption mechanism (10) is further fixedly arranged in the sleeve (13), the energy consumption mechanism (10) comprises a limit stop (101), a sliding support (102), a connecting rod (103), an installation block (104), a rubber friction strip (105), a wedge block (106) and a cord (107), both ends of the extrusion block (15) are respectively provided with the limit stop (101), the limit stop (101) is fixedly connected with the inner side wall of the sleeve (13), the inner side of the limit stop (101) is provided with a sliding groove (1011), the sliding support (102) is slidably connected in the sliding groove (1011), the connecting rod (103) is arranged on the inner side of the arc plate (16), one end of the connecting rod (103) is fixedly connected with the sliding support (102), the installation block (104) is further fixedly arranged on the limit stop (101), a sliding cavity (1041) is arranged in the installation block (104), one side of the sliding cavity (1041) is sequentially provided with more than two sliding holes (1042) from top to bottom, the sliding hole (1042) is communicated with the sliding cavity (1041), the rubber friction strip (105) is slidably connected with the cord (106), and one end of the sliding support (1041) is connected with the wedge block (107), the other end of the wire rope (107) is fixedly connected with the top end of the wedge block (106).