CN215764344U

CN215764344U - Camera rack

Info

Publication number: CN215764344U
Application number: CN202122112570.8U
Authority: CN
Inventors: 包翔宇; 严杰明; 李清浣
Original assignee: Shanghai Heart Valve Testing Equipment Co ltd
Current assignee: Shanghai Heart Valve Testing Equipment Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-08
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to the technical field of detection instruments, in particular to a camera rack. The camera rack comprises a lifting support, a rack body is arranged on the lifting support, and a first sliding groove and a sliding block capable of reciprocating along the first sliding groove are arranged on the rack body; the extending direction of the first sliding chute is vertical to the telescopic direction of the upgradable bracket; the camera fixing block is arranged on the sliding block, a light source assembly is further arranged at one end, close to a shot object, of the rack body, the camera fixing block is arranged behind a fixed camera, a camera lens is made to be coaxial with the light source assembly, and the camera rack further comprises a first fixing piece used for fixing the sliding block after sliding. The utility model can realize continuous and controllable fine adjustment of the distance between the camera body and the camera lens and the shot object, and the height of the camera can realize continuous and controllable fine adjustment. And does not shake or move during adjustment and movement.

Description

Camera rack

Technical Field

The utility model relates to the technical field of detection instruments, in particular to a camera rack.

Background

With the rapid development of science and technology, industrial cameras are increasingly widely applied in the aspects of machine vision, industrial detection, image processing, pattern recognition, face recognition and the like.

In practical applications, alignment of an industrial camera (including a lens) with an axis of a sample to be measured, focusing, aperture adjustment, and the like are very important. At present, the supports commonly used for industrial cameras have the following defects: the vertical direction and the front-back direction of the camera are difficult to adjust and even are uncontrollable; the annular light source is difficult to fix and is not easy to align with the axes of the camera and the lens; the support often adopts long and thin stand fixed camera, and the focus is unstable, and under some high frequency vibration scenes, the camera can take place to show vibrations. In order to obtain images and photos with proper framing and clear imaging, a test bench capable of accurately adjusting the spatial position of an industrial camera is needed, and the test bench has stable center of gravity and small influence of vibration.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a camera stand for solving the problems of the prior art.

In order to achieve the above and other related objects, the present invention provides, in one aspect, a camera stand including a liftable support, the liftable support having a stand body, the stand body having a first sliding groove and a sliding block capable of reciprocating along the first sliding groove; the extending direction of the first sliding chute is vertical to the telescopic direction of the upgradable bracket; the camera fixing block is arranged on the sliding block, a light source assembly is further arranged at one end, close to a shot object, of the rack body, the camera fixing block is arranged behind a fixed camera, a camera lens is made to be coaxial with the light source assembly, and the camera rack further comprises a first fixing piece used for fixing the sliding block after sliding.

In some embodiments of the present invention, the lifting support comprises a base and a lifting table, and a lifting assembly for driving the lifting table to ascend is disposed between the base and the lifting table.

In some embodiments of the utility model, the bottom of the rack body is provided with a first groove body matched with the lifting table board.

In some embodiments of the utility model, the two side edges of the sliding block are respectively provided with a first fixing hole, the rack body is respectively provided with a kidney-shaped hole matched with the first fixing hole, and the first fixing hole and the kidney-shaped hole are connected through a first fixing piece.

In some embodiments of the utility model, the camera fixing block is height adjustable, or the camera fixing block is a replaceable component.

In some embodiments of the present invention, the light source assembly is connected to the stage body by a light source holder.

In some embodiments of the present invention, the light source assembly is an annular light source, the light source holder is an annular holder, and the outer diameter of the annular light source is matched with the inner diameter of the light source holder.

In some embodiments of the present invention, the light source holder is provided with a second groove for accommodating a power line of the light source assembly.

In some embodiments of the present invention, the light source holder is provided with a second fixing element which is matched with the light source component.

In some embodiments of the present invention, the brightness of the light source module is adjustable.

Compared with the prior art, the utility model has the beneficial effects that:

according to the camera rack, on one hand, after the camera fixing block is set to fix the camera, the light source assembly is coaxial with the camera body and the camera lens of the camera, the light source assembly can be fixed on the rack body, and continuous and controllable fine adjustment of the distance between the camera body and the distance between the camera lens and a shot object can be achieved through the fact that the camera arranged on the sliding block moves back and forth along the sliding block along the first sliding groove. On the other hand, when the fixing device is used, the sliding block drives the camera to move to a certain position, the camera can be fixed through the first fixing piece, the fixing effect is good, and the camera cannot shake or move in adjustment and movement. On the other hand, when the height adjusting device is applied, the height of the camera body and the height of the camera lens can be continuously and controllably adjusted through the liftable support. The camera rack is simple to manufacture, convenient to use and suitable for integral movement.

Drawings

Fig. 1 is a schematic perspective view of a camera stand according to the present invention in a state of use at a height.

Fig. 2 is a schematic front view of the camera stand of the present invention in a height state.

FIG. 3 is a schematic top view of the camera stand of the present invention in a height position.

Fig. 4 is a schematic perspective view of the camera stand of the present invention in a state of use at another height.

FIG. 5 is a schematic structural diagram of a relative position relationship between a camera, a camera fixing block and a slider.

FIG. 6 is a schematic sectional view A-A of FIG. 5.

Element numbers in the figures:

liftable support 1

11 base

12 lifting assembly

121 second chute

122 third runner

123 first support

124 second support

125 first connecting rod

126 second connecting rod

127 screw

128 handle

13 lifting table top

2 rack body

21 first groove body

22 kidney-shaped hole

3 first chute

4 sliding block

5 camera fixed block

6 first retention

7 light source assembly

8 light source fixer

81 second groove body

9 second retention

10 Camera

101 fuselage

102 lens

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 6, an embodiment of the present invention provides a camera stand, where the camera stand includes a liftable bracket 1, the liftable bracket 1 is provided with a stand body 2, and the stand body 2 is provided with a first chute 3 and a slider 4 capable of reciprocating along the first chute 3; the extending direction of the first sliding chute 3 is vertical to the telescopic direction of the upgradable bracket; be equipped with camera fixed block 5 on the slider 4, the one end that rack body 2 is close to by the shooting object still is equipped with light source subassembly 7, camera fixed block 5 is set up to fixed camera back, makes camera lens coaxial with light source subassembly 7, makes light source subassembly 7 with 10 axial extension directions of camera are unanimous. The rack body 2 is also provided with a first fixing piece 6 for fixing the sliding block 4 after sliding. The camera rack provided by the utility model can be used for adjusting the height of the lifting support 1 according to the height of a shot object so as to enable the visual field centers of the camera body 101 and the lens 102 of the camera 10 to be at the same height with the shot object; according to the horizontal distance between the body 101 and the lens 102 of the camera 10 and the object to be shot, the position of the sliding block 4 on the stand body 2 is adjusted to find the most suitable distance so as to realize focusing. According to the shooting requirement, the brightness of the light source component 7 is adjusted to achieve the best imaging effect.

According to the camera stand provided by the utility model, the lifting support 1 is used for adjusting the height of the stand body 2. As shown in fig. 1, in a specific embodiment, the liftable bracket 1 comprises a base 11 and a lifting table 13, and a lifting assembly 12 for driving the lifting table 13 to ascend is disposed between the base 11 and the lifting table 13. The bottom of the rack body 2 is provided with a first groove body 21 matched with the lifting table board 13. The liftable table top 13 can be clamped into the first groove body 21, so that the liftable bracket 1 is connected with the table body 2.

In a specific embodiment, as shown in fig. 1, 2 and 4, the lifting assembly 12 is a cross telescopic mechanism, the base 11 is provided with two second sliding grooves 121 and a fourth sliding groove which are arranged in parallel, the bottom of the lifting table 13 is provided with two third sliding grooves 122 and a fifth sliding groove which are arranged in parallel, the second sliding grooves 121 and the third sliding grooves 122 are parallel in the height direction, and the fourth sliding grooves and the fifth sliding grooves are parallel in the height direction. The cross telescopic mechanism comprises a first support 123 and a second support 124, the first support 123 is respectively matched with the second sliding groove 121 and the third sliding groove 122, the bottom end of the first support 123 can be embedded in the second sliding groove 121 (close to the left end in fig. 1) and slides along the second sliding groove 121, and the bottom end of the second support 124 is hinged with one end (close to the right end) of the second sliding groove 121. The top end of the first bracket 123 can be embedded in the third sliding groove 122 (near the left end in fig. 1) and slide along the third sliding groove 122, and the top end of the second bracket 124 is hinged to one end (near the right end) of the third sliding groove 122. The first support 123 comprises two first sub-supports, and the second support 124 comprises two second sub-supports, wherein the first sub-supports and the second sub-supports are distributed in a staggered manner and are hinged. The cross telescopic mechanism further comprises a third support and a fourth support, the third support is matched with the fourth sliding groove and the fifth sliding groove respectively, the bottom end of the third support can be embedded in the fourth sliding groove (close to the left end of the figure 1) and slides along the fourth sliding groove, and the bottom end of the fourth support is hinged to one end (close to the right end) of the fifth sliding groove. The top end of the third support can be embedded in the fifth sliding groove (close to the left end of the figure 1) and slides along the fifth sliding groove, and the top end of the fourth support is hinged with one end (close to the right end) of the fifth sliding groove. The first bracket 123 has the same structure as the third bracket, and the second bracket 124 has the same structure as the fifth bracket. The third support includes two third sub-supports, and the fourth support includes two fourth sub-supports, and third sub-support and fourth sub-support are crisscross to be distributed and articulated. The hinged parts of the two first sub-brackets and the hinged parts of the two third sub-brackets are connected through a first connecting rod 125, the hinged parts of the two second sub-brackets and the hinged parts of the two fourth sub-brackets are connected through a second connecting rod 126, the first connecting rod 125 and the second connecting rod 126 are parallel, and in an initial state, the planes where the first connecting rod 125 and the second connecting rod 126 are located are parallel to the base 11. The first connecting rod 125 and the second connecting rod 126 are connected through a screw 127, the screw 127 is perpendicular to the first connecting rod 125 and the second connecting rod 126 respectively, a handle 128 is further arranged at one end of the screw 127, the distance between the first connecting rod 125 and the second connecting rod 126 can be increased or decreased by rotating the handle 128, and then the bottom of the first support 123 is driven to slide along the second sliding groove 121, the top of the first support 123 slides along the third sliding groove 122, the bottom of the third support slides along the fourth sliding groove, and the top of the third support slides along the fifth sliding groove. More specific working principle: when the lifting table top 13 is required to be lifted, the handle 128 drives the screw rod 127 to rotate, so as to drive the first connecting rod 125 to move towards the second connecting rod 126 along the screw rod 127, so as to push the bottom of the first support 123 to slide towards the right end along the second sliding groove 121 (from fig. 4 to fig. 1), the top of the first support 123 to slide towards the right end along the third sliding groove 122 (from fig. 4 to fig. 1), the bottom of the third support to slide towards the right end along the fourth sliding groove (from fig. 4 to fig. 1), and the top of the third support to slide towards the right end along the fifth sliding groove (from fig. 4 to fig. 1), so that each support gradually tends to be vertical and pushes against the lifting table top 13 to move upwards, and the lifting table top 13 is lifted for a certain distance. When the lifting table top 13 descends, the screw 127 is rotated in the opposite direction to the previous direction, so that the lifting table top 13 descends.

In the camera stand provided by the utility model, the stand body 2 is generally a solid structure with a certain thickness, and a plane formed by extending the stand body 2 in the length direction and the width direction is vertical to the height direction of the liftable bracket 1. The length and width of the gantry body 2 are not limited in general and can be adjusted according to actual needs. In an embodiment, the two side edges of the sliding block 4 are respectively provided with a first retaining hole, as shown in fig. 1 and 3, the rack body 2 is respectively provided with a waist-shaped hole 22 matching with the first retaining hole, and the first retaining hole and the waist-shaped hole 22 are connected through a first retaining member 6. The kidney-shaped hole 22 has a hole length such that it can be engaged with the first retention member 6 for retention when the slider 4 is moved to a certain distance. The relative position of the slider 4 and the stage body 2 can be fixed by the first retaining member 6.

In the camera stand provided by the present invention, as shown in fig. 5 and 6, when applied, the camera 10 is connected to the slider 4 through the camera fixing block 5. In some embodiments, the connection between the camera 10 and the fixed camera block 5, and the connection between the fixed camera block 5 and the slider 4 are fixed connections, which are not limited, and may be, for example, a screw thread and screw connection. More specifically, the fixing block of the camera 10 is provided with a plurality of through holes corresponding to the threaded holes at the bottom of the camera 10, and the screws pass through the through holes and are connected and fixed with the camera 10 (including the lens 102). Further, the middle part of camera fixed block 5 is provided with the screw hole. The middle part of the sliding block 4 is provided with a through hole, and a screw passes through the through hole to be connected and fixed with the camera fixing block 5.

In the camera stand provided by the present invention, as shown in fig. 1, in a general case, the camera 10 includes a body 101 and a lens 102, when the camera 10 is fixed on a camera fixing block, the body 101, the lens 102 and the light source assembly 7 are coaxial, and a center of the body 101, a center of the lens 102 and a center of the light source are on a straight line. The camera 10 and the lens 102 can be ensured to be at the same height as the photographed object. Since the light source assembly 7 is usually fixed on the gantry body 2, the camera fixing block 5 can be a height-adjustable assembly for matching with different models of cameras, or the camera fixing block 5 can be a replaceable assembly, that is, if different models of cameras are used, the camera fixing block 5 with different heights can be replaced to match the center of the body 101, the center of the lens 102 and the center of the light source on a straight line.

In the camera stand provided by the present invention, as shown in fig. 1 and 4, the light source assembly 7 is connected to the stand body 2 through the light source holder 8. The light source assembly 7 is fixedly connected with the light source holder 8, the light source holder 8 and the rack body 2, specifically, the light source assembly 7 is fixed on the light source holder 8, and the light source holder 8 is further fixed on the rack body 2. The fixing connection means is not limited. In one embodiment, the light source holder 8 is provided with a second retaining member 9 cooperating with the light source assembly 7. The second fixing member 9 may be, for example, a screw, a through hole is further formed in the light source holder 8, a threaded hole corresponding to the through hole of the light source holder 8 is formed in the light source assembly 7, and the through hole of the light source holder 8 and the threaded hole of the light source assembly 7 are connected through the second fixing member 9, so that the light source holder 8 is fixed to the light source assembly 7.

In the camera stand provided by the utility model, the light source assembly 7 is an annular light source, the light source holder 8 is an annular holder, and the outer diameter of the annular light source is matched with the inner diameter of the light source holder 8. Here, the fitting means that the light source holder 8 is a ring-shaped structure, and the inner diameter is slightly larger than the outer diameter of the ring-shaped light source. The annular light source can be, for example, an LED light source, and the brightness of the LED light source can be adjusted to achieve the best imaging effect.

In the camera stand provided by the present invention, as shown in fig. 1 to 4, the light source holder 8 is provided with a first groove 21 for accommodating a power line of the light source assembly 7. The first groove 21 can receive the power line of the light source assembly 7.

In the camera stand provided by the utility model, as shown in fig. 1, 2 and 4, the bottom of the stand body 2 is provided with a second groove body 81 matched with the lifting table surface 13, so that the lifting support 1 can be well connected with the stand body 2.

In the camera stand provided by the present invention, the brightness of the light source assembly 7 is adjustable. The manner of brightness adjustment may specifically employ means known in the art.

The use process of the utility model is as follows:

according to the height of the object to be photographed, as shown in fig. 1 and 3, when the height of the object to be photographed is higher than that of the camera 10, the respective supports gradually become vertical by rotating the handle 128 such that the first connecting rod 125 moves toward the second connecting rod 126 along the screw 127, and move upward against the elevating table 13, so that the elevating table 13 is elevated a certain distance. When the lifting table top 13 descends, the screw 127 is rotated in the opposite direction to the previous direction, so that the lifting table top 13 descends. The height of the table top of the adjustable lifting table is adjusted to enable the visual field center of the camera 10 and the lens 102 to be at the same height with the shot object.

According to the horizontal distance between the camera 10 and the shot object and the lens 102, if the distance between the camera 10 and the shot object needs to be reduced, the sliding block 4 carries the camera 10 along the first sliding chute 3 to the direction of the shot object for a certain reasonable distance so as to realize focusing, and the relative position of the sliding block 4 and the first sliding chute 3 is fixed through the first fixing piece 6. On the contrary, if the distance between the camera 10 and the object needs to be increased, the sliding block 4 is retained by the first retaining member 6 after being carried along the direction of the first sliding chute 3 away from the object for a certain reasonable distance. In addition, according to the shooting requirement, the brightness of the annular adjustable LED light source is adjusted to achieve the best imaging effect.

To sum up, according to the camera stand of the present invention, on one hand, after the camera fixing block is configured to fix the camera, the light source assembly 7 is coaxial with the body 101 and the lens 102 of the camera 10, the light source assembly 7 can be fixed to the stand body 2, and the camera 10 disposed on the slider 4 reciprocates along the slider 4 along the first sliding groove 3, so that the distance between the body 101 and the lens 102 of the camera 10 and the object to be photographed can be continuously, controllably and finely adjusted. On the other hand, when the camera fixing device is used, the sliding block 4 drives the camera 10 to move to a certain position, and then the camera can be fixed through the first fixing piece 6, so that the fixing effect is good, and the camera fixing device cannot shake or move in adjustment and movement. On the other hand, when the height adjustment device is used, the height of the body 101 and the height of the lens 102 of the camera 10 can be continuously and controllably adjusted by the liftable bracket 1. The camera rack is simple to manufacture, convenient to use and suitable for integral movement.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The camera rack is characterized by comprising a lifting support (1), wherein a rack body (2) is arranged on the lifting support (1), and a first sliding groove (3) and a sliding block (4) capable of reciprocating along the first sliding groove (3) are arranged on the rack body (2); the extending direction of the first sliding chute (3) is vertical to the telescopic direction of the upgradable bracket; be equipped with camera fixed block (5) on slider (4), rack body (2) are close to the one end of being shot the object and still are equipped with light source subassembly (7), camera fixed block (5) are set up to fixed camera back, make camera lens and light source subassembly (7) coaxial, the camera rack is still including first position fixing piece (6) that are used for slider (4) slip back maintenance.

2. The camera stand according to claim 1, wherein the liftable support (1) comprises a base (11) and a lifting table top (13), and a lifting assembly (12) for driving the lifting table top (13) to ascend is arranged between the base (11) and the lifting table top (13).

3. The camera stand as claimed in claim 2, characterized in that the stand body (2) is provided at its bottom with a first groove (21) cooperating with the lifting table top (13).

4. The camera stand according to claim 1, wherein the two side edges of the sliding block (4) are respectively provided with a first retaining hole, the stand body (2) is respectively provided with a waist-shaped hole (22) matched with the first retaining hole, and the first retaining hole and the waist-shaped hole (22) are connected through a first retaining member (6).

5. The camera rig of claim 1, wherein the camera mount block (5) is height adjustable or the camera mount block (5) is a replaceable component.

6. The camera gantry of claim 1, characterized in that the light source assembly (7) is connected to the gantry body (2) by a light source holder (8).

7. The camera rig according to claim 6, wherein the light source assembly (7) is a ring light source and the light source holder (8) is a ring holder, the outer diameter of the ring light source matching the inner diameter of the light source holder (8).

8. The camera stand according to claim 6, wherein the light source holder (8) is provided with a second slot (81) for receiving a power cord of the light source assembly (7).

9. Camera stand according to claim 6, characterized in that the light source holder (8) is provided with a second retaining element (9) cooperating with the light source assembly (7).

10. The camera rig according to claim 6, wherein the brightness of the light source assembly (7) is adjustable.