JPH05323164A - Structure for attaching solid-state image pickup element for camera - Google Patents

Abstract

PURPOSE:To attain reliable assembly with simple structure even for a small- sized camera and to reduce man-hour, the number of parts and cost by screwing a package and a lens barrel through a screw groove. CONSTITUTION:The package 2 is attached to an organic substrate 8 through an insulating body 7, and a lead wire 9 is fixed by solder 11. A spatial filter 3 is fitted in a level difference part 12a formed on an inner periphery of the base end of the lens barrel 12. The screw groove 2a is formed on the outer periphery of the package 2, and the screw groove 12b screwed in the screw groove 2a is formed on the inner periphery of the lens barrel 12. In a state where the lens barrel 12 is screwed in the package 2 through the screw grooves 2a and 12b, a screw 21 is inserted perpendicularly to an axial direction from the outer periphery side of the lens barrel 12, whereby the lens barrel 12 is screwed in the package 2. By forming and screwing the screw grooves 2a and 12b on the outer periphery of the package 2 in which a solid-state image pickup element 1 is housed and the inner periphery of the lens barrel 12 of a lens block, the reliable assembly is attained with the simple structure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera solid-state image sensor mounting structure for fixing a solid-state image sensor such as a CCD or a MOS provided in a camera such as a video camera and a lens block.

[0002]

2. Description of the Related Art Conventionally, a CCD package and a lens block provided in a video camera or the like have been conventionally attached as shown in FIG. In FIG. 4, a spatial filter 3 forming an optical system is concentrically placed on the front surface of a package 2 accommodating a CCD 1, and the package 2 and the spatial filter 3 are mounted components 4 formed by molding. It is covered. The mounting component 4 is fixed to a fixing component 6 made of metal such as aluminum with a screw 5. An organic substrate 8 is attached to an outer surface of the fixing component 6 via an insulator 7 such as polyester, and the lead wire 9 of the CCD 1 is fixed to the fixing component 6 and the substrate 8.
And penetrates to the outside. Also, the protruding end of the lead wire 9 is soldered to the wiring pattern 10 formed on the substrate 8.
Connected by. Further, the base end of the lens barrel 12 accommodating a lens block (not shown) is fixed to the fixing component 6 with a plurality of screws 13, and the lens block, the filter 3 and the CCD 1 are arranged concentrically. .

[0003]

However, according to the conventional CCD mounting structure configured as described above, there is no problem when the lens block and the CCD are large as in the conventional case, but the camera is small as in recent years. As a result, it has become difficult to provide the fixing component 6 and fix each member with the screws 5 and 13. Further, conventionally, since the wiring pattern formed on the substrate 8 and the circuit on the camera body side were connected after the CCD assembly was attached to the lens side,
For example, there is a problem that it is difficult to manage the ROM / IC for correcting the defect of the CCD 1.

The present invention has been made in view of such a situation, and it is possible to perform reliable assembly with a simple structure even in a small camera, and to reduce the number of assembly steps, the number of parts, and the cost. An object of the present invention is to provide a solid-state image sensor mounting structure for a camera.

[0005]

A solid-state image sensor mounting structure for a camera according to a first aspect of the present invention comprises a CCD 1 as a solid-state image sensor housed in a package 2 and a filter concentrically mounted on the CCD 1. Spatial filter 3 and
In a solid-state image sensor mounting structure for a camera that fixes one end of a lens block respectively, the spatial filter 3 is inserted into one end of the lens block, and the outer periphery of the package 2 and the inner periphery of the lens barrel 12 of the lens block are mutually connected. The screw grooves 2a and 12b that are screwed into the
It is characterized in that the package 2 and the lens barrel 12 are screwed together via a and 12b.

In the solid-state image pickup device mounting structure for a camera according to a second aspect of the present invention, a screw 2 for connecting the package 2 and the lens barrel 12 is provided.
1 is provided at right angles to the axial direction.

In the solid-state image sensor mounting structure for a camera according to a third aspect of the present invention, a cylindrical pressing member 31 is provided, which is in contact with the outer periphery of the spatial filter 3 and has an outer diameter equal to that of the package 2.
It is characterized in that a thread groove 31a having the same shape as the thread groove 2a formed on the outer circumference of the package 2 is provided on the outer circumference of the pressing member 31.

In the solid-state image pickup device mounting structure for a camera according to a fourth aspect of the present invention, a cylindrical pressing member 41 that abuts the outer circumferences of the package 2 and the spatial filter 3 is provided, and the outer circumference of the pressing member 41 is the inner circumference of the lens barrel 12. It is characterized in that a screw groove 41a that is screwed into the screw groove 12a formed in the above is provided.

[0009]

In the solid-state image pickup device mounting structure for a camera according to the first aspect, the lens barrel 12 of the lens block and the package 2 of the CCD 1 are screwed through the screw grooves 12b and 2a formed on the inner and outer circumferences thereof. Since it is attached and fixed by wearing, the fixing parts and screws which have been conventionally required are unnecessary. As a result, the number of parts and the number of assembling steps can be reduced, and even a small camera can be easily assembled, and the cost can be reduced. In addition, since the lens block can be attached to the CCD assembly after the CCD assembly is attached to the apparatus body and electrically connected to the circuit on the body side, the ROM / IC can be easily managed and the lens can be easily replaced. Can be done.

In the solid-state image pickup device mounting structure for a camera according to a second aspect of the present invention, the package 2 and the lens barrel 12 are screwed together with the screw 2.
Since they are connected to each other at a right angle to the axial direction by 1, it is possible to prevent the displacement between the package 2 and the lens barrel 12 and perform positioning.

In the solid-state image pickup device mounting structure for a camera according to a third aspect of the present invention, the spatial filter 3 is screwed onto the inner circumference of the lens barrel 12 via the pressing member 31, so that the spatial filter 3 is firmly fixed. You can

In the solid-state image pickup device mounting structure for a camera according to a fourth aspect, when a relatively large lens block is used, the pressing member 41 presses the spatial filter 3 and the package 2, and the pressing member 41 is attached to the lens barrel 12. The mounting strength can be reinforced by being screwed on the inner circumference.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a solid-state image pickup device mounting structure for a camera of the present invention will be described below with reference to the drawings.

FIGS. 1, 2 and 3 show the configurations of the first, second and third embodiments of the present invention, respectively. In these figures, parts corresponding to those of the conventional example shown in FIG. 4 are designated by the same reference numerals, and the description thereof will be omitted as appropriate.

In the first embodiment shown in FIG. 1, the package 2 is attached to the organic substrate 8 via the insulator 7, and the lead wire 9 is fixed by the solder 11. The spatial filter 3 is fitted in a step portion 12a formed on the inner circumference of the base end of the lens barrel 12. A screw groove 2a is formed on the outer circumference of the package 2, and a screw groove 12b that is screwed into the screw groove 2a is formed on the inner circumference of the lens barrel 12. Then, in a state where the lens barrel 12 is screwed into the package 2 via the screw grooves 2a and 12b, screws 21 are inserted from the outer peripheral side of the lens barrel 12 at right angles to the axial direction and screwed into the package 2.

According to the present embodiment, FIG.
Since the fixing part 6 and the screws 5 and 13 shown in 1 are unnecessary, the assembly can be easily performed even if the camera is small. Moreover, the number of parts and the number of assembling steps can be reduced, and the cost can be reduced. In addition, since the lens barrel 12 can be screwed to the package 2 after the CCD assembly is attached to the device body and electrically connected to the pattern of the substrate 8 and the circuit on the device body side, the ROM for correcting defects of the CCD 1・ IC can be easily managed. Furthermore, the lens can be easily replaced.

In the second embodiment shown in FIG. 2, a cylindrical pressing member 31 that surrounds the outer periphery of the spatial filter 3 is provided, the outer diameter of the pressing member 31 is made equal to the outer diameter of the package 2, and the pressing member 31 A thread groove 31a having the same shape as the thread groove 2a formed on the outer circumference of the package 2 is formed on the outer circumference. Then, the pressing member 31 and the package 2 are pin 32 parallel to the axial direction.
Then, the package 2 and the spatial filter 3 are attached and fixed to the barrel 12 by being screwed into the thread groove 12b on the inner periphery of the barrel 12 via the screws 2a and 31a.

According to this embodiment, the package 2 and the spatial filter 3 can be firmly and easily attached to the lens barrel 12.

In the third embodiment shown in FIG. 3, the spatial filter 3 and the package 2 are housed in a cylindrical pressing member 41, and a thread groove is formed on the outer circumference of the pressing member 41 on the inner circumference of the lens barrel 12. A thread groove 41a to be screwed with 12b was formed, and the pressing member 41 was screwed to the lens barrel 12 via the thread grooves 12b and 41a. Then, the end portion of the lens barrel 12 and the substrate 8 are screwed with a plurality of screws 42.

According to this embodiment, the lens barrel 12 can be firmly fixed to the CCD assembly side even when the lens block is relatively large.

In each of the above embodiments, the solid-state image pickup device is a CCD.
Although the case of No. 1 has been described, the solid-state image sensor is CCD1.
However, it may be a MOS, for example.

[0022]

As described above, according to the solid-state image pickup device mounting structure for a camera of the first aspect, the outer circumference of the package for housing the solid-state image pickup device and the inner circumference of the lens barrel of the lens block are mutually connected. Since the screw groove to be screwed is formed and the screw groove is integrally screwed through the screw groove, reliable assembly can be performed with a simple structure even in a small camera. As a result, the number of assembling steps, the number of parts, and the cost can be reduced.

According to the solid-state image pickup device mounting structure for a camera of the second aspect, since the package and the lens barrel are coupled with each other by screws, the mutual displacement can be prevented.

According to the solid-state image sensor mounting structure for a camera of the third aspect, the filter is screwed to the lens barrel via the pressing member, so that the filter can be firmly fixed.

According to the solid-state image pickup device mounting structure of the camera of the fourth aspect, since the package and the filter are screwed to the lens barrel via the pressing member, the solid-state image pickup of the lens barrel is performed even when the lens block is large. The mounting strength for the element assembly can be reinforced.

[0026]

[Brief description of drawings]

FIG. 1 is a first solid-state image sensor mounting structure for a camera according to the present invention.
3 is a vertical cross-sectional view showing the configuration of the embodiment of FIG.

FIG. 2 is a vertical sectional view showing the configuration of a second embodiment of the present invention.

FIG. 3 is a vertical cross-sectional view showing the configuration of the third embodiment of the present invention.

FIG. 4 is a vertical sectional view showing an example of a solid-state image sensor mounting structure of a conventional camera.

[Explanation of symbols]

 1 CCD (solid-state image sensor) 2 package 2a screw groove 3 spatial filter (filter) 12 lens barrel 12b screw groove 21 screw 31, 41 pressing member 31a, 41a screw groove

Claims (4)

[Claims] 1. A solid-state image sensor mounting structure for a camera, comprising: a solid-state image sensor housed in a package; a filter concentrically attached to the solid-state image sensor; and one end of a lens block. Is inserted into one end of the lens block, and screw grooves are formed on the outer circumference of the package and the inner circumference of the lens barrel of the lens block so as to be screwed into each other, and the package and the mirror are inserted through the screw groove. A solid-state image sensor mounting structure for a camera, characterized in that a cylinder is screwed on. 2. The solid-state image sensor mounting structure for a camera according to claim 1, wherein a screw for connecting the package and the lens barrel is provided at a right angle to the axial direction. 3. A cylindrical pressing member having an outer diameter equal to that of the package is provided in contact with the outer periphery of the filter, and a screw groove having a shape equal to the screw groove formed on the outer periphery of the package is provided on the outer periphery of the pressing member. The solid-state image sensor mounting structure for a camera according to claim 1 or 2, characterized in that. 4. A cylindrical pressing member that comes into contact with the outer circumferences of the package and the filter is provided, and a screw groove that is screwed into a screw groove formed on the inner circumference of the lens barrel is provided on the outer circumference of the pressing member. The solid-state image sensor mounting structure for a camera according to claim 1 or 2.