CN108683905B - Special test fixture for vehicle camera - Google Patents
Special test fixture for vehicle camera Download PDFInfo
- Publication number
- CN108683905B CN108683905B CN201810411599.6A CN201810411599A CN108683905B CN 108683905 B CN108683905 B CN 108683905B CN 201810411599 A CN201810411599 A CN 201810411599A CN 108683905 B CN108683905 B CN 108683905B
- Authority
- CN
- China
- Prior art keywords
- pressing
- pressing mechanism
- plate
- groove
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Accessories Of Cameras (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a special test fixture for a vehicle camera, wherein a camera assembly is accurately positioned through a blocking surface and a positioning hole on a fixed support, a pressing block is overturned by using an operating handle after the positioning is finished, so that a pressing plate is attached to the molded surface of a camera shell, an upper guide block and a lower guide block of a pressing mechanism in a self-locking pressing mechanism are matched for guiding in the pressing-down process of the pressing block, a limiting hole on the pressing block is matched with a pressing-block limiting column on the fixed support for limiting, and after the molded surface is complete and accurately attached, a groove on a lower fixing seat of the pressing mechanism is locked by pressing a locking catch of the pressing mechanism to ensure the pressing and realize the self-locking; the camera assembly clamped in the locking step is pressed through the positioning, can be overturned randomly in the testing process without influencing the testing precision, and effectively realizes accurate positioning, reliable pressing and good dynamic and static rigidity of the clamp.
Description
Technical Field
The invention relates to the field of machinery and vehicles, in particular to a special test fixture for a vehicle camera.
Background
In recent years, intelligent vehicles have become a hot spot in the field of vehicle engineering in the world and a new power for the growth of the automobile industry, and all countries in the world incorporate the intelligent vehicles into the intelligent transportation systems which are mainly developed.
The advanced vehicle camera is used as the 'eyes' of the intelligent vehicle, can sense and identify the surrounding environment of the vehicle and realize intelligent information interaction between the information terminal and people, vehicles, roads and the like.
In order to ensure the use effect of the camera for the advanced vehicle, the camera and an assembly (such as a rearview camera assembly) formed by the camera need to be accurately tested and calibrated. The special test fixture for the current vehicle camera is very simple and has few related technical patents. The problems of these simple test fixtures mainly include insufficient positioning accuracy, lack of self-locking of clamping force, and low repeatability of measurement results.
The improper design of the clamp positioning method and clamping mechanism, as well as the insufficient dynamic and static stiffness of the clamp itself, are the main causes of these problems.
Therefore, a special test fixture for a vehicle camera is needed in the prior art.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a special test fixture for a vehicle camera.
The technical scheme adopted for achieving the purpose of the invention is that the special test fixture for the vehicle camera is characterized in that: the system comprises a system I, a system II, a system III and a system IV.
The system I comprises a fixed support, a pressure plate limiting column and a fixed support pillar.
The fixed bracket comprises a top surface, a bottom surface, a first side surface and a second side surface. The first side surface and the second side surface are connected. The overall structure of the fixed support is in a semi-surrounding shape.
And a fixed support pillar is connected between the top surface and the bottom surface of the fixed support. The edge where the first side surface and the second side surface are connected corresponds to the position of the fixed support pillar.
The first side is designated as the rear side of the fixed bracket and the second side is designated as the left side of the fixed bracket. Two pressure plate limiting columns are arranged at the front end of the top surface of the fixed support. The pressing plate limiting columns are perpendicular to the top surface, and the two pressing plate limiting columns are symmetrical.
The top surface of the fixed support is provided with a plurality of main positioning holes and auxiliary positioning holes. The bottom surface is provided with a fabrication hole. The fabrication holes are straight-edge elliptical holes.
The fabrication hole is convenient for the installation and the disassembly of the camera assembly and the walking of the camera wire harness, the wire harness terminal and the testing wire.
And the system II comprises a pressure plate connecting plate, a pressure plate, an operating handle and a pressure plate adjusting gasket.
The pressing plate connecting plate is of a plate-shaped structure. One end of the pressing plate connecting plate is connected with the fixed support, and the other end of the pressing plate connecting plate is connected with the pressing plate.
The bottom end of the pressing plate connecting plate is hinged to the upper end of the outer wall of the first side face. The top end of the pressing plate connecting plate is fixedly connected with the pressing plate through a pin structure.
When the pressing plate connecting plate rotates around the hinged end, the surface of the pressing plate connecting plate, which is attached to the outer wall of the first side face, is the outer surface of the pressing plate connecting plate. And on the contrary, the inner surface of the pressure plate connecting plate is formed.
And a flange is arranged at the upper end of the pressure plate connecting plate. The flange is perpendicular to the plate surface of the pressing plate connecting plate. The flange is located on an inner surface of the platen web.
The bottom end of the pressing plate is lapped on a right-angle supporting structure formed by the flange and the top of the pressing plate connecting plate. And a pressure plate adjusting gasket is arranged between the bottom end of the pressure plate and the top of the pressure plate connecting plate.
The pressing plate is of a plate-shaped structure. And the tail end of the pressing plate is arranged at the end, connected with the pressing plate connecting plate, of the pressing plate. A groove I is formed in the middle of the top end of the pressing plate. A groove II is formed in the center of the lower surface of the plate-shaped structure of the pressing plate, and a through hole I is formed in the center of the upper surface of the plate-shaped structure of the pressing plate. The groove II is communicated with the through hole I. The central shaft of recess II and through-hole I is located same straight line.
And an operating handle is arranged on the side wall of the pressing plate. The structure of the operating handle comprises a rod shape.
The system III comprises a lower pressing mechanism fixing seat, a pressing mechanism lock catch, an upper pressing mechanism fixing seat, a lower pressing mechanism guide block and an upper pressing mechanism guide block.
And an upper fixing seat of the pressing mechanism is arranged in the groove I of the pressing plate.
The front side of the upper fixing seat of the pressing mechanism is provided with a groove III. And a spring is arranged at the center of the top surface of the fixed seat on the pressing mechanism. And the two sides of the top end of the fixed seat on the pressing mechanism are provided with lap joint devices. The lapping device is perpendicular to two sides of the upper fixing seat of the pressing mechanism. The lap joint device is double-wing shaped as a whole.
The upper fixing seat of the pressing mechanism is installed in the groove I of the pressing plate through the lap joint devices on two sides. The integral structure of the upper fixing seat of the pressing mechanism is matched with the shape and size of the groove I of the pressing plate.
And a pressing mechanism lock catch is arranged in the groove III of the upper fixing seat of the pressing mechanism.
The pressing mechanism lock catch comprises a locking part, a spanner part and a lock catch part.
The locking part, the wrench part and the lock catch part are all plate-shaped structures. The locking part, the spanner part and the lock catch part are connected together in a radial shape. The locking part is perpendicular to the locking part. The included angle between the wrench part and the locking part is an obtuse angle, and the included angle between the wrench part and the lock catch part is also an obtuse angle.
The bottom surface of the locking part is connected with the top of the spring. The lock catch part is positioned in a groove III of the upper fixing seat of the pressing mechanism.
The rear side of the bottom end of the upper fixing seat of the pressing mechanism is connected with an upper guide block of the pressing mechanism. The upper guide block of the pressing mechanism is in an inverted convex shape.
And a rectangular through hole II is formed in the front end of the top surface of the fixed support.
The lower guide block of the pressing mechanism comprises a sliding rail part and a fixing part. From the machining perspective, the lower guide block of the pressing mechanism is a structure formed by forming a groove IV on the upper half part of the convex structure. The part where the groove IV is located is a sliding rail part, and the lower half part of the convex structure is a fixing part.
The fixing part is inserted into a rectangular through hole II of the fixing support. And the bottom end of the upper guide block of the pressing mechanism is inserted into the groove IV of the slide rail part. Under the action of external force, the bottom end of the upper guide block of the pressing mechanism can freely slide in the groove IV of the sliding rail part.
The lower fixing seat of the pressing mechanism is of a block structure with a through hole III in the middle.
And the slide rail part is clamped into a through hole III of the lower fixing seat of the pressing mechanism. The block-shaped structure of the lower fixing seat of the pressing mechanism is integrally and fixedly arranged at the front end of the top surface of the fixing support.
And a groove is formed in the front end face of the lower fixing seat of the pressing mechanism. The grooves are parallel to the horizontal plane.
And the bottom of the locking part of the pressing mechanism lock catch is provided with a hooking structure matched with the groove of the lower fixing seat of the pressing mechanism.
And the system IV comprises a vehicle camera assembly.
The vehicle camera assembly comprises a camera, a camera shell, a camera wire harness and a camera wire harness terminal.
The front end structure of the camera shell is matched with the shape and size of the groove II of the pressing plate.
The shape and the size of the mirror surface structure of the camera and the through hole I of the pressing plate are matched.
The bottom of the camera shell is connected with a camera wire harness. The camera wiring harness penetrates through the fabrication hole of the fixing support.
The bottom of connecting rod is connected the camera pencil terminal, camera pencil terminal and the complete car electronic apparatus system switch-on.
The operation flow comprises the following steps:
1) and the system IV is arranged on the system I through the main positioning hole and the auxiliary positioning hole on the top surface of the fixed support.
2) And (3) pressing down an operating handle, rotating the system II around the hinged central line of the pressing plate connecting plate, driving the bottom of the upper guide block of the pressing mechanism of the system III to be embedded into the slide rail part of the lower guide block of the pressing mechanism until the bottom surface of the pressing plate in the system II is lapped on the pressing plate limiting column, and simultaneously, tightly matching the groove II and the through hole I of the pressing plate with the front end structure of the camera shell of the system IV and the mirror surface structure of the camera respectively.
3) After the limiting action is completed and the system IV is pressed, the wrench part of the system III is lifted, the spring is further compressed, the hooking structure of the lock catch part hooks the groove position of the lower fixing seat of the pressing mechanism, the wrench part is put down, and the system III is completely pressed and locked.
Further, the upper end of the outer wall of the first side face is provided with a tubular structure I and a tubular structure II.
Tubular structure I and tubular structure II are both the hollow cylinder structure of both ends open-ended. The central shafts of the tubular structures I and II are positioned on the same straight line and are parallel to the horizontal plane.
The bottom end of the pressing plate connecting plate is provided with two grooves. The position and the size of the groove are matched with those of the tubular structure I and the tubular structure II. The bottom of the pressure plate connecting plate is divided into a part I, a part II and a part III by the groove. And the side surfaces of the part I, the part II and the part III are respectively provided with a through hole I, a through hole II and a through hole III. And the through hole I, the through hole II and the through hole III are positioned on the same straight line.
The fixed support and the pressure plate connecting plate are hinged through a shaft. The shaft sequentially penetrates through the through hole I, the tubular structure I, the through hole II, the tubular structure II and the through hole III from left to right.
Both ends of the shaft are provided with gaskets.
Further, the pin structure penetrates through the top of the pressing plate connecting plate and the pressing plate adjusting gasket in sequence from the upper end of the outer surface of the pressing plate connecting plate and finally enters the bottom end of the pressing plate.
The pin structure that the top of clamp plate connecting plate and clamp plate adopted includes the location fastening form of two round pins one nail or two round pins two nails.
Furthermore, a plurality of lightening holes are formed in the fixing support. A plurality of mounting holes are formed in the first side face and the second side face of the fixing support, and the fixing support is fixed on other devices through a pin structure, so that the horizontal and vertical testing requirements are met.
Further, the thickness of the pressure plate adjusting gasket can be adjusted, so that the position of the pressure plate is changed.
Furthermore, two small steps for guiding and preventing misuse are arranged around the main positioning hole in the top surface, so that the system IV can be conveniently and quickly installed.
Furthermore, the lower fixing seat of the pressing mechanism and the lock catch of the pressing mechanism are made of engineering plastics or light metal materials, and other parts are made of metal materials.
Furthermore, the camera pencil is flexible structure, can bend or bend.
The technical effects of the present invention are undoubted, and the present invention has the following advantages:
the camera assembly is accurately positioned through the blocking surface and the positioning hole on the fixing support, after the positioning is finished, the pressing block is overturned by the operating handle to enable the pressing plate to be attached to the molded surface of the camera shell, the upper guide block and the lower guide block of the pressing mechanism in the self-locking pressing mechanism are matched for guiding in the pressing-down process of the pressing block, the limiting hole on the pressing block is matched with the limiting column of the pressing block on the fixing support for limiting, and after the molded surface is complete and accurately attached, the groove on the lower fixing seat of the pressing mechanism is locked by pressing the lock catch of the pressing mechanism to ensure the pressing and realize the self-locking.
The camera assembly clamped in the locking step is pressed through the positioning, can be overturned randomly in the testing process without influencing the testing precision, and effectively realizes accurate positioning, reliable pressing and good dynamic and static rigidity of the clamp.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 taken at the dashed circle;
FIG. 3 is a schematic structural view of a fixing bracket;
FIG. 4 is a schematic view of a platen;
FIG. 5 is a schematic view showing the connection relationship between the fixing bracket and the pressing plate connecting plate, and between the pressing plate connecting plate and the pressing plate;
FIG. 6 is a schematic view showing the fit relationship between the latch of the pressing mechanism and the upper and lower fixing bases of the pressing mechanism, respectively;
fig. 7 is a schematic structural view of the camera head assembly.
In the figure: FIG. 3A is a front view of the fixing bracket, and FIG. 3B is a perspective view of the fixing bracket; FIG. 4A is a bottom view of the pressing plate, and FIG. 4B is a perspective view of the pressing plate;
specifically, the method comprises the following steps: the automobile-used camera comprises a fixed support 1, a top surface 101, a bottom surface 102, a first side surface 103, a second side surface 104, a pressure plate connecting plate 2, a flange 201, a shaft 202, a gasket 2021, a pressure plate 3, a lower pressing mechanism fixing seat 4, a pressing mechanism lock 5, a locking part 501, a wrench part 502, a lock part 503, a hooking structure 5031, an upper pressing mechanism fixing seat 6, a spring 601, a lapping device 602, a lower pressing mechanism guide block 7, a sliding rail part 701, a fixing part 702, an upper pressing mechanism guide block 8, an operating handle 9, a pressure plate limiting column 10, a fixed support pillar 11, a pressure plate adjusting gasket 12, an automobile-used camera assembly 13, a camera 1301, a camera shell 1302, a camera harness 1303 and a camera harness terminal 1304.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example (b):
as shown in figures 1-7, a special test fixture for vehicle camera is characterized in that: the system comprises a system I, a system II, a system III and a system IV.
The system I comprises a fixed support 1, a pressure plate limiting column 10 and a fixed support pillar 11.
The fixed bracket 1 comprises a top surface 101, a bottom surface 102, a first side surface 103 and a second side surface 104. The first side 103 and the second side 104 are connected. The whole structure of the fixing support 1 is in a semi-surrounding shape.
A fixed bracket support 11 is connected between the top surface 101 and the bottom surface 102 of the fixed bracket 1. The edge where the first side 103 and the second side 104 are connected corresponds to the position of the fixed bracket leg 11.
The fixed support strut 11 increases the dynamic stiffness and the static stiffness of the fixed support 1, and avoids the instability of the test result of the whole set of clamp in vibration and impact environments (for a high-precision vehicle camera, the tiny structural instability can bring about larger fluctuation of the test result).
The first side surface 103 is referred to as a rear side surface of the fixed bracket 1, and the second side surface 104 is referred to as a left side surface of the fixed bracket 1. Two pressure plate limiting columns 10 are arranged at the front end of the top surface 101 of the fixed support 1. The pressing plate limiting columns 10 are perpendicular to the top surface 101, and the two pressing plate limiting columns are symmetrically arranged on the left side and the right side.
The top surface 101 of the fixed support 1 is provided with a plurality of main positioning holes and auxiliary positioning holes. The bottom surface 102 is provided with a fabrication hole, which is convenient for the installation and the disassembly of the camera assembly and the walking of the camera wiring harness 1303, the camera wiring harness terminal 1304 and the testing lead. The fabrication holes are straight-edge elliptical holes.
In this embodiment, the first side surface 103 is provided with a tubular structure i and a tubular structure ii at the upper end of the outer wall.
Tubular structure I and tubular structure II are both the hollow cylinder structure of both ends open-ended. The central shafts of the tubular structures I and II are positioned on the same straight line and are parallel to the horizontal plane.
And two grooves are formed in the bottom end of the pressing plate connecting plate 2. The position and the size of the groove are matched with those of the tubular structure I and the tubular structure II. The bottom of the pressure plate connecting plate 2 is divided into a part I, a part II and a part III by the groove. And the side surfaces of the part I, the part II and the part III are respectively provided with a through hole I, a through hole II and a through hole III. And the through hole I, the through hole II and the through hole III are positioned on the same straight line.
The fixed bracket 1 and the pressure plate connecting plate 2 are hinged through a shaft 202. The shaft 202 sequentially penetrates through the through hole I, the tubular structure I, the through hole II, the tubular structure II and the through hole III from left to right.
The pressing plate connecting plate 2 and other parts arranged on the pressing plate connecting plate can rotate around the central line of the pivot pin, and the pivot pin connection mode ensures that the rotating pair has no clearance, so that accurate overturning control is realized.
Both ends of the shaft 202 are provided with washers 2021.
The fixed support 1 is provided with a plurality of lightening holes. A plurality of mounting holes are formed in the first side surface 103 and the second side surface 104 of the fixing support 1, and the fixing support 1 is fixed on other devices by adopting a pin structure, so that the horizontal and vertical testing requirements are met. The locating pin is responsible for accurate location, and the connecting screw is responsible for the fastening.
The system II comprises a pressure plate connecting plate 2, a pressure plate 3, an operating handle 9 and a pressure plate adjusting gasket 12.
The pressing plate connecting plate 2 is of a plate-shaped structure. One end of the pressing plate connecting plate 2 is connected with the fixed support 1, and the other end of the pressing plate connecting plate is connected with the pressing plate 3.
The bottom end of the pressing plate connecting plate 2 is hinged with the upper end of the outer wall of the first side surface 103. The top end of the pressing plate connecting plate 2 is fixedly connected with the pressing plate 3 through a pin structure.
When the pressing plate connecting plate 2 rotates around the hinged end, the surface of the pressing plate connecting plate 2, which is attached to the outer wall of the first side surface 103, is the outer surface of the pressing plate connecting plate 2. And on the contrary, the inner surface of the press plate connecting plate 2 is formed.
And a flange 201 is arranged at the upper end of the pressure plate connecting plate 2. The flange 201 is perpendicular to the plate surface of the pressing plate connecting plate 2. The flange 201 is located on the inner surface of the platen web 2.
The bottom end of the pressing plate 3 is lapped on a right-angle supporting structure formed by the flange 201 and the top of the pressing plate connecting plate 2. And a pressure plate adjusting gasket 12 is arranged between the bottom end of the pressure plate 3 and the top of the pressure plate connecting plate 2. The precise control of the position of the press plate 3 (which is important during the commissioning of the fixture) is achieved by adjusting the thickness of the press plate adjustment shim 12.
In the embodiment, three adjustable gaskets with the thickness of 1mm are adopted, and in the debugging process of the clamp, the actual positions of the pressure plates 3 are adjusted by replacing the gaskets with different thicknesses.
The pressing plate 3 is of a plate-shaped structure. And one end of the pressing plate 3, which is connected with the pressing plate connecting plate 2, is the tail end of the pressing plate 3. And a groove I is formed in the middle position of the top end of the pressing plate 3. A groove II is formed in the center of the lower surface of the plate-shaped structure of the pressing plate 3, and a through hole I is formed in the center of the upper surface of the plate-shaped structure of the pressing plate 3. The groove II is communicated with the through hole I. The central shaft of recess II and through-hole I is located same straight line.
The molded surface of the pressing plate 3 is not fixed and needs to be designed according to the external dimension of the clamped camera shell, but whether the process of overturning the pressing plate 3 interferes with the tested camera needs to be checked when the molded surface of the pressing plate 3 is designed. Any non-innovative design of modifying the profile of the platen 3 to avoid interference is also within the scope of the patent claims.
The spacing of clamp plate 3 is realized through the cooperation of spacing hole on the clamp plate 3 and the spacing post 10 of clamp plate, prevents to crush camera housing part.
An operating handle 9 is arranged on the side wall of the pressure plate 3. The operating handle 9 is of a rod-like construction and any other non-innovative design according to the common knowledge of the art and conventional means is within the scope of the patent claims.
The pin structure sequentially penetrates through the top of the pressing plate connecting plate 2 and the pressing plate adjusting gasket 12 from the upper end of the outer surface of the pressing plate connecting plate 2, and finally enters the bottom end of the pressing plate 3.
The thickness of the platen adjustment shim 12 can be adjusted to change the position of the platen 3.
The pin structure that the top of clamp plate connecting plate 2 and clamp plate 3 adopted includes location fastening forms such as two round pins one nail or two round pins two nails. In this embodiment in the form of a two pin and two nail.
The system III comprises a lower pressing mechanism fixing seat 4, a pressing mechanism lock catch 5, an upper pressing mechanism fixing seat 6, a lower pressing mechanism guide block 7 and an upper pressing mechanism guide block 8.
And an upper fixing seat 6 of the pressing mechanism is arranged in the groove I of the pressing plate 3.
The front side of the upper fixing seat 6 of the pressing mechanism is provided with a groove III. And a spring 601 is arranged at the center of the top surface of the fixed seat 6 on the pressing mechanism. The spring provides pressing force and self-locking force, and reliable clamping of the clamp is achieved.
And lapping devices 602 are arranged on two sides of the top end of the fixed seat 6 on the pressing mechanism. The lapping device 602 is perpendicular to two sides of the fixed seat 6 on the pressing mechanism. The clutch 602 is double-winged in overall view.
The upper fixing seat 6 of the pressing mechanism is installed in the groove I of the pressing plate 3 through the lapping devices 602 on two sides. The overall structure of the upper fixing seat 6 of the pressing mechanism is matched with the shape and size of the groove I of the pressing plate 3.
And a pressing mechanism lock catch 5 is arranged in the groove III of the upper fixing seat 6 of the pressing mechanism.
The pressing mechanism lock 5 includes a locking portion 501, a wrench portion 502, and a lock portion 503.
The locking portion 501, the wrench portion 502 and the locking portion 503 are all plate-shaped structures. The locking portion 501, the wrench portion 502 and the locking portion 503 are radially connected together. The locking portion 501 is perpendicular to the locking portion 503. The included angle between the wrench portion 502 and the locking portion 501 is an obtuse angle, and the included angle between the wrench portion 502 and the locking portion 503 is also an obtuse angle.
The bottom surface of the connecting portion 501 is connected to the top of the spring 601. The locking part 503 is located in the groove iii of the upper fixing seat 6 of the pressing mechanism.
The rear side of the bottom end of the upper fixing seat 6 of the pressing mechanism is connected with an upper guide block 8 of the pressing mechanism. The upper guide block 8 of the pressing mechanism is in an inverted convex shape.
And a rectangular through hole II is formed in the front end of the top surface 101 of the fixed support 1.
The pressing mechanism lower guide block 7 includes a rail portion 701 and a fixing portion 702. From the machining perspective, the pressing mechanism lower guide block 7 is formed by forming a groove IV in the upper half part of the convex structure. The part where the groove IV is located is a sliding rail part 701, and the lower half part of the convex structure is a fixing part 702.
The fixing portion 702 is inserted into the rectangular through hole ii of the fixing bracket 1. The bottom end of the upper guide block 8 of the pressing mechanism is inserted into the groove IV of the sliding rail part 701. Under the action of external force, the bottom end of the upper guide block 8 of the pressing mechanism can freely slide in the groove IV of the sliding rail part 701.
The lower fixing seat 4 of the pressing mechanism is of a block structure with a through hole III in the middle.
The slide rail part 701 is clamped into a through hole III of the lower fixing seat 4 of the pressing mechanism. The block structure of the lower fixing seat 4 of the pressing mechanism is integrally and fixedly arranged on the front end of the top surface 101 of the fixing support 1.
And a groove is also formed in the front end face of the lower fixing seat 4 of the pressing mechanism. The grooves are parallel to the horizontal plane.
The bottom of the locking part 503 of the pressing mechanism lock 5 is provided with a hooking structure 5031 matched with the groove of the lower pressing mechanism fixing seat 4.
The self-locking pressing mechanism is used as a subsystem in the special fixture, is simple to operate, has high independence, and can be applied to other related tools, checking tools and fixtures.
The system IV comprises a vehicle camera assembly 13.
The vehicle camera assembly 13 includes a camera 1301, a camera housing 1302, a camera harness 1303, and a camera harness terminal 1304.
The camera housing 1 covers the non-mirror structure of the camera 1301. The front end structure of the camera shell 1 is matched with the shape and size of the groove II of the pressing plate 3.
The mirror surface structure of camera 1301 passes II clamps of recess and is in the I department of through-hole of clamp plate 3. The mirror structure of the camera 1301 is matched with the shape and size of the through hole I of the pressing plate 3.
The bottom end of the camera housing 1302 is connected to a camera wire harness 1303. The camera wire 1303 can be mounted and dismounted from the fabrication hole on the bottom surface of the fixing bracket 1. .
The bottom end of the camera wire harness 1303 is connected with a camera wire harness terminal 1304, and the camera wire harness terminal is connected with a whole vehicle electronic and electrical system or test equipment through the camera wire harness terminal.
Two small steps for guiding and preventing misuse are arranged around the main positioning hole in the top surface 101, so that the system IV can be conveniently and quickly installed.
In view of light weight, the material of the pressing mechanism lock 5 and the pressing mechanism lower fixing seat 4 is generally engineering plastic, but light metal materials such as aluminum alloy can be used, and light metal materials such as aluminum alloy can be used for other parts.
The operation flow of the whole system comprises the following steps:
1) the system IV is arranged on the system I through the main positioning hole and the auxiliary positioning hole on the top surface 101 of the fixed support 1.
2) An operating handle 9 is pressed down, the system II rotates around the hinged center line of the pressing plate connecting plate 2, the bottom of an upper guide block 8 of a pressing mechanism of the system III is driven to be embedded into a sliding rail part 701 of a lower guide block 7 of the pressing mechanism until the bottom surface of a pressing plate 3 in the system II is lapped on a pressing plate limiting column 10, and meanwhile, a groove II and a through hole I of the pressing plate 3 are respectively and tightly matched with the front end structure of a camera shell 1302 of the system IV and the mirror surface structure of a camera 1301.
3) After the limiting action is completed and the system iv is pressed, the wrench portion 502 of the system iii is lifted, the spring 601 is further compressed, the hooking structure 5031 of the locking portion 503 hooks the groove position of the lower fixing seat 4 of the pressing mechanism, the wrench portion 502 is put down, and the system iii is completely pressed and locked.
Claims (9)
1. The utility model provides a special test fixture of automobile-used camera which characterized in that: the system comprises a system I, a system II, a system III and a system IV;
the system I comprises a fixed support (1), a pressure plate limiting column (10) and a fixed support pillar (11);
the fixing support (1) comprises a top surface (101), a bottom surface (102), a first side surface (103) and a second side surface (104); the first side surface (103) and the second side surface (104) are connected; the whole structure of the fixed support (1) is in a semi-surrounding shape;
a fixed bracket strut (11) is connected between the top surface (101) and the bottom surface (102) of the fixed bracket (1); the edge where the first side surface (103) and the second side surface (104) are connected corresponds to the position where the fixed support pillar (11) is located;
the first side surface (103) is taken as the rear side surface of the fixed support (1), and the second side surface (104) is taken as the left side surface of the fixed support (1); two pressure plate limiting columns (10) are arranged at the front end of the top surface (101) of the fixed support (1); the pressing plate limiting columns (10) are perpendicular to the top surface (101), and the two pressing plate limiting columns (10) are symmetrical;
the top surface (101) of the fixed support (1) is provided with a plurality of main positioning holes and auxiliary positioning holes; a fabrication hole is formed in the bottom surface (102); the fabrication holes are straight-edge elliptical holes;
the system II comprises a pressing plate connecting plate (2), a pressing plate (3), an operating handle (9) and a pressing plate adjusting gasket (12);
the pressing plate connecting plate (2) is of a plate-shaped structure; one end of the pressure plate connecting plate (2) is connected with the fixed support (1), and the other end of the pressure plate connecting plate is connected with the pressure plate (3);
the bottom end of the pressure plate connecting plate (2) is hinged with the upper end of the outer wall of the first side surface (103); the top end of the pressure plate connecting plate (2) is fixedly connected with the pressure plate (3) through a pin structure;
when the pressing plate connecting plate (2) rotates around the hinged end, the surface of the pressing plate connecting plate (2) which is attached to the outer wall of the first side surface (103) is the outer surface of the pressing plate connecting plate (2); otherwise, the inner surface of the pressure plate connecting plate (2) is formed;
a flange (201) is arranged at the upper end of the pressure plate connecting plate (2); the flange (201) is perpendicular to the surface of the pressing plate connecting plate (2); the flange (201) is positioned on the inner surface of the pressure plate connecting plate (2);
the bottom end of the pressure plate (3) is lapped on a right-angle supporting structure formed by the flange (201) and the top of the pressure plate connecting plate (2); a pressing plate adjusting gasket (12) is arranged between the bottom end of the pressing plate (3) and the top of the pressing plate connecting plate (2);
the pressing plate (3) is of a plate-shaped structure; one end of the pressing plate (3) connected with the pressing plate connecting plate (2) is the tail end of the pressing plate (3); a groove I is formed in the middle of the top end of the pressing plate (3); a groove II is formed in the center of the lower surface of the plate-shaped structure of the pressing plate (3), and a through hole I is formed in the center of the upper surface of the plate-shaped structure of the pressing plate (3); the groove II is communicated with the through hole I; the central axes of the groove II and the through hole I are positioned on the same straight line;
an operating handle (9) is arranged on the side wall of the pressing plate (3); the structure of the operating handle (9) comprises a rod shape;
the system III comprises a lower pressing mechanism fixing seat (4), a pressing mechanism lock catch (5), an upper pressing mechanism fixing seat (6), a lower pressing mechanism guide block (7) and an upper pressing mechanism guide block (8);
a pressing mechanism upper fixing seat (6) is arranged in the groove I of the pressing plate (3);
a groove III is formed in the front side of the fixed seat (6) on the pressing mechanism; a spring (601) is arranged at the center of the top surface of the fixed seat (6) on the pressing mechanism; lapping devices (602) are arranged on two sides of the top end of the fixed seat (6) on the pressing mechanism; the lapping device (602) is vertical to two sides of the fixed seat (6) on the pressing mechanism; the overlapping device (602) is double-wing shaped as a whole;
the upper fixing seat (6) of the pressing mechanism is arranged in the groove I of the pressing plate (3) through the lapping devices (602) on the two sides; the integral structure of the upper fixing seat (6) of the pressing mechanism is matched with the shape and size of the groove I of the pressing plate (3);
a pressing mechanism lock catch (5) is arranged in a groove III of the upper fixing seat (6) of the pressing mechanism;
the pressing mechanism lock catch (5) comprises a locking part (501), a spanner part (502) and a lock catch part (503);
the locking part (501), the wrench part (502) and the locking part (503) are all plate-shaped structures; the locking part (501), the wrench part (502) and the locking part (503) are radially connected together; the locking part (501) is perpendicular to the locking part (503); an included angle between the wrench part (502) and the locking part (501) is an obtuse angle, and an included angle between the wrench part (502) and the locking part (503) is also an obtuse angle;
the bottom surface of the locking part (501) is connected with the top of the spring (601); the locking part (503) is positioned in a groove III of a fixed seat (6) on the pressing mechanism;
the rear side of the bottom end of the upper fixed seat (6) of the pressing mechanism is connected with an upper guide block (8) of the pressing mechanism; the upper guide block (8) of the pressing mechanism is in an inverted convex shape;
a rectangular through hole II is formed in the front end of the top surface (101) of the fixed support (1);
the pressing mechanism lower guide block (7) comprises a sliding rail part (701) and a fixing part (702); from the aspect of processing, the lower guide block (7) of the pressing mechanism is a structure formed by forming a groove IV on the upper half part of the convex structure; the part where the groove IV is located is a sliding rail part (701), and the lower half part of the convex structure is a fixing part (702);
the fixing part (702) is inserted into the rectangular through hole II of the fixing bracket (1); the bottom end of the upper guide block (8) of the pressing mechanism is inserted into a groove IV of the sliding rail part (701); under the action of external force, the bottom end of the upper guide block (8) of the pressing mechanism can freely slide in the groove IV of the sliding rail part (701);
the lower fixing seat (4) of the pressing mechanism is of a block structure with a through hole III in the middle;
the sliding rail part (701) is clamped into a through hole III of a lower fixing seat (4) of the pressing mechanism; the blocky structure of the lower fixing seat (4) of the pressing mechanism is integrally and fixedly arranged on the front end of the top surface (101) of the fixing support (1);
the front end surface of the lower fixing seat (4) of the pressing mechanism is also provided with a groove; the grooves are parallel to a horizontal plane;
the bottom of the lock catch part (503) of the hold-down mechanism lock catch (5) is provided with a hooking structure (5031) matched with the groove of the hold-down mechanism lower fixing seat (4);
the system IV comprises a vehicle camera assembly (13);
the vehicle camera assembly (13) comprises a camera (1301), a camera shell (1302), a camera wiring harness (1303) and a camera wiring harness terminal (1304);
the front end structure of the camera shell (1302) is matched with the shape and size of the groove II of the pressing plate (3);
the shape and the size of the mirror surface structure of the camera (1301) are matched with those of the through hole I of the pressing plate (3);
the bottom end of the camera shell (1302) is connected with a camera wire harness (1303); the camera wire harness (1303) penetrates through a fabrication hole of the fixing support (1);
the bottom of connecting rod is connected camera pencil terminal (1304), camera pencil terminal (1304) and the complete car electronic and electrical system switch-on.
2. The special test fixture for the vehicle camera according to claim 1, wherein the operation process comprises the following steps:
1) the system IV is arranged on the system I through main positioning holes and auxiliary positioning holes on the top surface (101) of the fixed support (1);
2) an operating handle (9) is pressed down, the system II rotates around the hinged central line of the pressing plate connecting plate (2), the bottom of an upper guide block (8) of a pressing mechanism of the system III is driven to be embedded into a sliding rail part (701) of a lower guide block (7) of the pressing mechanism until the bottom surface of a pressing plate (3) in the system II is lapped on a pressing plate limiting column (10), and meanwhile, a groove II and a through hole I of the pressing plate (3) are respectively and tightly matched with the front end structure of a camera shell (1302) of the system IV and the mirror surface structure of a camera (1301);
3) after the limiting action is completed and the system IV is pressed, the wrench part (502) of the system III is lifted, the spring (601) is further compressed, the hooking structure (5031) of the lock catch part (503) hooks the groove position of the lower fixing seat (4) of the pressing mechanism, the wrench part (502) is put down, and the system III is completely pressed and locked.
3. The special test fixture for the vehicle camera according to claim 1, characterized in that: a tubular structure I and a tubular structure II are arranged at the upper end of the outer wall of the first side surface (103);
the tubular structure I and the tubular structure II are both hollow cylindrical structures with openings at two ends; the central shafts of the tubular structure I and the tubular structure II are positioned on the same straight line and are parallel to the horizontal plane;
two grooves are formed in the bottom end of the pressing plate connecting plate (2); the position and the size of the groove are matched with those of the tubular structure I and the tubular structure II; the bottom of the pressing plate connecting plate (2) is divided into a part I, a part II and a part III by the groove; the side surfaces of the part I, the part II and the part III are respectively provided with a through hole I, a through hole II and a through hole III; the through hole I, the through hole II and the through hole III are positioned on the same straight line;
the fixed support (1) is hinged with the pressure plate connecting plate (2) through a shaft (202); the shaft (202) sequentially penetrates through the through hole I, the tubular structure I, the through hole II, the tubular structure II and the through hole III from left to right;
both ends of the shaft (202) are provided with gaskets (2021).
4. The special test fixture for the vehicle camera according to claim 1, characterized in that: the pin structure sequentially penetrates through the top of the pressure plate connecting plate (2) and the pressure plate adjusting gasket (12) from the upper end of the outer surface of the pressure plate connecting plate (2), and finally enters the bottom end of the pressure plate (3);
the pin structure adopted by the top end of the pressure plate connecting plate (2) and the pressure plate (3) comprises a positioning and fastening form of two pins and one nail or two pins and two nails.
5. The special test fixture for the vehicle camera according to claim 1, characterized in that: a plurality of lightening holes are formed in the fixed support (1); a plurality of mounting holes are formed in the first side face (103) and the second side face (104) of the fixing support (1), the fixing support (1) is fixed on other devices through a pin structure, and the horizontal and vertical testing requirements are met.
6. The special test fixture for the vehicle camera according to claim 1, characterized in that: the thickness of the pressure plate adjusting gasket (12) can be adjusted, so that the position of the pressure plate (3) is changed.
7. The special test fixture for the vehicle camera according to claim 1, characterized in that: two small steps for guiding and preventing misuse are arranged around the main positioning hole on the top surface (101).
8. The special test fixture for the vehicle camera according to claim 1, characterized in that: the lower pressing mechanism fixing seat (4) and the pressing mechanism lock catch (5) are made of engineering plastics or light metal materials, and other parts are made of metal materials.
9. The special test fixture for the vehicle camera according to claim 1, characterized in that: the camera wire harness (1303) is of a flexible structure and can be bent or bent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411599.6A CN108683905B (en) | 2018-05-02 | 2018-05-02 | Special test fixture for vehicle camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411599.6A CN108683905B (en) | 2018-05-02 | 2018-05-02 | Special test fixture for vehicle camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108683905A CN108683905A (en) | 2018-10-19 |
| CN108683905B true CN108683905B (en) | 2020-02-14 |
Family
ID=63802046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810411599.6A Active CN108683905B (en) | 2018-05-02 | 2018-05-02 | Special test fixture for vehicle camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683905B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE536227C2 (en) * | 2011-11-09 | 2013-07-09 | Scania Cv Ab | Detector mounting device |
| CN203117226U (en) * | 2013-01-15 | 2013-08-07 | 西门子数控（南京）有限公司 | Test fixture |
| CN104827388B (en) * | 2015-05-06 | 2017-06-13 | 中国南方航空工业(集团)有限公司 | Indexing grinder fixture |
| CN204964553U (en) * | 2015-05-19 | 2016-01-13 | 苏州高新区世纪福科技有限公司 | Novel convertible test fixture |
| CN205005199U (en) * | 2015-07-20 | 2016-01-27 | 宁波舜宇光电信息有限公司 | Device of make a video recording module is detected along horizontal direction |
| CN105424988A (en) * | 2015-12-10 | 2016-03-23 | 苏州世纪福智能装备股份有限公司 | Detection apparatus |
| TWI596351B (en) * | 2016-05-25 | 2017-08-21 | 豪威科技股份有限公司 | Test socket for testing image sensor chip |
| CN205946042U (en) * | 2016-08-04 | 2017-02-08 | 宁波舜宇光电信息有限公司 | A tool that is used for module automatic positioning and presss from both sides tight test |
| CN205987201U (en) * | 2016-08-31 | 2017-02-22 | 天津峰景光电科技有限公司 | Camera pencil twists reverse tester |
| CN206061012U (en) * | 2016-08-31 | 2017-03-29 | 横店集团东磁有限公司 | A kind of test fixture of camera module |
| CN106657984B (en) * | 2016-11-26 | 2018-06-05 | 珠海市运泰利自动化设备有限公司 | Vehicle-mounted camera function automatic detection machine |
| CN107517376A (en) * | 2017-09-06 | 2017-12-26 | 深圳市优界科技有限公司 | Phase apparatus test device |
-
2018
- 2018-05-02 CN CN201810411599.6A patent/CN108683905B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108683905A (en) | 2018-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033116A (en) | Anti lock brake system (ABS) installation support active body control (ABC) reference profile tolerance checking fixture | |
| US5054307A (en) | Universal base member for securing vehicles for damage repair | |
| CN108683905B (en) | Special test fixture for vehicle camera | |
| CN107932112B (en) | Positioning tool | |
| CN106767589B (en) | Three-coordinate measuring method and device for clamp block type parts | |
| CN105043199A (en) | Automobile fuel tank ribbon rear portion installing plate checking fixture | |
| CN112372529A (en) | Pneumatic adsorption type tool for fuel cell hydrogen energy automobile | |
| CN216645870U (en) | Tool for automobile steering knuckle bench test | |
| CN211136929U (en) | Tool convenient to assemble and disassemble | |
| CN214251565U (en) | Universal steering engine endurance experiment tool | |
| CN218973368U (en) | Automobile interior trim part positioning column position detection mechanism | |
| CN109732511B (en) | Clamping and positioning tool for T-shaped and omega-shaped stringer workpieces | |
| CN107976138B (en) | Rear bumper installation cassette examines utensil | |
| CN220207086U (en) | Clamp tool for white car body static stiffness test bench | |
| CN219798128U (en) | Automobile steering column quality inspection device | |
| CN216205811U (en) | Rear seat flank left mounting bracket checking fixture | |
| CN219007986U (en) | Floating positioning device for positioning gap between rear cover and vehicle body and automobile rear cover fixture | |
| CN114018189B (en) | Flexible clamp for three-coordinate measurement | |
| CN215766780U (en) | Checking fixture for automobile C column inner plate | |
| CN109059711B (en) | Automobile door handle function detection harness and using method thereof | |
| CN217551588U (en) | Assembling tool for automobile rear door and side wall decorative plate | |
| CN220418485U (en) | Tool for testing IMU (inertial measurement Unit) module | |
| CN211178300U (en) | Deformation detection jig for automobile ornaments | |
| CN218097450U (en) | Checking fixture for left/right rear middle door | |
| CN113483620B (en) | Circle center positioning device and positioning method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |