CN211402889U - Machine vision camera lens - Google Patents
Machine vision camera lens Download PDFInfo
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- CN211402889U CN211402889U CN202020350076.8U CN202020350076U CN211402889U CN 211402889 U CN211402889 U CN 211402889U CN 202020350076 U CN202020350076 U CN 202020350076U CN 211402889 U CN211402889 U CN 211402889U
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- picture frame
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- vision lens
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Abstract
The utility model discloses a machine vision camera lens relates to camera lens technical field, including preceding picture frame, back picture frame, facing, preceding adjustable ring and main section of thick bamboo, preceding adjustable ring fastening is on the facing, and the facing passes through the screw thread spiro union on the picture frame of back, and the main section of thick bamboo passes through screw thread spiro union facing, and the facing is rotated when rotating preceding adjustable ring, and then makes main section of thick bamboo and back picture frame produce along axial relative displacement, preceding picture frame and back picture frame rigid coupling. The utility model discloses directly assemble back picture frame and preceding picture frame together, the structure is more simple, and spare part is few, assembles easily.
Description
Technical Field
The utility model relates to a camera lens technical field especially relates to a machine vision camera lens.
Background
Fig. 1 is an assembly schematic view of a conventional machine vision lens, wherein a front adjusting ring 2 ' is fixed to a thread sleeve 3 ', the thread sleeve 3 ' is in threaded connection with an inner main cylinder 4 ', the inner main cylinder 4 ' is in threaded connection with a front lens frame 1 ', the inner side and the outer side of the thread sleeve 3 ' are further connected with a rear main cylinder 5 ' and an outer main cylinder 6 ', the rear main cylinder 5 ' is located inside the outer main cylinder 6 ', and the rear main cylinder 5 ' is connected with a rear lens frame 7 ' through threads. The existing machine vision lens has a complex structure and a plurality of parts, and is not beneficial to material management and assembly.
In addition, in the production process of the TS/MV lens, the front group part cannot be assembled and fixed in a consistent manner, and secondary disassembly is required for dispensing, curing and then shipment. Green glue or UV glue can not be 100% guaranteed to be cured, the front group possibly has axis deviation after the glue is cured, the lens is not clear in imaging, the glue is cured to cause abnormal disassembly, mechanical parts are required to be used for disassembling again, and materials and time are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a machine vision camera lens makes the camera lens structure simpler, assemble easily.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a machine vision camera lens, includes preceding picture frame, back picture frame, facing, preceding adjustable ring and a main section of thick bamboo, and preceding adjustable ring fastening is on the facing, and the facing passes through the screw thread spiro union on the picture frame of back, and a main section of thick bamboo passes through screw thread spiro union facing, and the facing is rotated when rotating preceding adjustable ring, and then makes a main section of thick bamboo and back picture frame produce along axial relative displacement, preceding picture frame and back picture frame rigid coupling.
Furthermore, the main barrel sleeve is arranged on the rear mirror frame, the tooth socket is provided with an internal thread and an external thread, the tooth socket is in threaded connection with the rear mirror frame through the internal thread, and the tooth socket is in threaded connection with the main barrel through the external thread.
Furthermore, the front mirror frame and the rear mirror frame are connected by at least one fastener, the outer wall of the machine vision lens is provided with an exposed area, and the fastener is positioned in the exposed area.
Furthermore, the rear end of the front mirror frame is inserted into the front end of an inner hole of the rear mirror frame, the fastener is provided with external threads, the rear mirror frame is provided with a radial threaded hole for accommodating the fastener, glue is injected into the threaded hole, and the periphery of the front mirror frame is provided with a groove or a hole for accommodating the end part of the fastener.
Further, the fastener is the awl nail, be equipped with a plurality of screw holes on the picture frame of back, each screw hole is along back picture frame circumference evenly distributed, and the fastening has a awl nail in each screw hole, preceding picture frame periphery is equipped with and is used for holding the most advanced annular V-arrangement groove of each awl nail.
Furthermore, preceding adjustable ring and facing are protruding to be extended to each other and are limited the portion, and the spacing portion on the facing is equipped with spacing inclined plane, is fixed with the taper pin on the preceding adjustable ring, and this taper pin butts the spacing inclined plane in the spacing portion of facing, and the spacing portion of facing is blocked between the spacing portion and the taper pin of preceding adjustable ring.
Furthermore, a screw is fixed on the front adjusting ring, the tail end of the screw is inserted into the front of the main cylinder, and the screw is used for limiting the distance of the front adjusting ring moving backwards in the axial direction relative to the main cylinder, so that the rear mirror frame is prevented from moving backwards in the axial direction relative to the main cylinder excessively.
Furthermore, a diaphragm is arranged inside the rear mirror frame, a diaphragm adjusting ring is arranged outside the main cylinder, and the diaphragm adjusting ring can adjust the diaphragm.
Further, be equipped with a radial screw hole on the diaphragm adjustable ring, this radial screw hole is equipped with a binding nail, and this binding nail can butt to a main section of thick bamboo, and the binding nail of screwing enables diaphragm adjustable ring and a main section of thick bamboo mutually fixed, and the fastening nail of unscrewing then can rotate the relative main section of thick bamboo of diaphragm adjustable ring.
Furthermore, a connecting seat is fixedly connected to the rear end of the main cylinder, a step surface is arranged on the main cylinder, and the step surface and the connecting seat are respectively abutted to two ends of the diaphragm adjusting ring.
Compared with the prior art, the utility model has the advantages of it is following:
1. the structure of the existing machine vision lens is optimized, the structure is simpler, the number of parts is less, and the assembly is easy.
2. The rear mirror frame and the front mirror frame are directly assembled together through the fasteners, and the fasteners are located in exposed areas of the outer wall of the lens, so that the rear mirror frame and the front mirror frame are convenient to assemble.
3. Adopt the form of awl nail locking and injecting glue to connect preceding picture frame and back picture frame, lock the pair at picture frame direct contact glue of back and add the awl nail, can effectually shorten glue setting time in time, under the clear circumstances of equipment camera lens formation of image, need not carry out the secondary and disassemble preceding crowd, the awl nail also can lock preceding crowd simultaneously, the image definition obtains effectual assurance, has saved a large amount of time and material.
Drawings
FIG. 1 is a cross-sectional schematic view of a prior art machine vision lens;
fig. 2 is a perspective view of a machine vision lens of the present invention;
fig. 3 is a cross-sectional view of the machine vision lens of the present invention;
fig. 4 is one of exploded perspective views of the machine vision lens of the present invention;
fig. 5 is a second exploded perspective view of the machine vision lens of the present invention;
fig. 6 is a front view of the front frame of the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
Referring to fig. 2 to 5, the present embodiment discloses a machine vision lens, which includes a front frame 1, a rear frame 2, a mouthpiece 3, a front adjusting ring 4 and a main barrel 5, wherein the main barrel 5 is sleeved on the rear frame 2, the mouthpiece 3 has an internal thread and an external thread, the mouthpiece 3 is screwed on the rear frame 2 through the internal thread, the mouthpiece 3 is screwed on the main barrel 5 through the external thread, the front adjusting ring 4 is fastened on the mouthpiece 3, the mouthpiece 3 rotates when the front adjusting ring 4 rotates, so that the main barrel 5 and the rear frame 2 generate relative displacement along an axial direction, and the front frame 1 and the rear frame 2 are fixedly connected. The machine vision lens has the advantages of simple structure, few parts and easy assembly.
In specific structure, 2 rear ends of the rear mirror frame are inserted into the front end of the inner hole of the front mirror frame 1, the front mirror frame and the rear mirror frame are connected through at least one fastener, the outer wall of the machine vision lens is provided with an exposed area, and the fastener is located in the exposed area so as to facilitate the assembly of the rear mirror frame and the front mirror frame. The front end of the front mirror frame is inserted into the front end of the inner hole of the rear mirror frame, the fastener is provided with external threads, the rear mirror frame is provided with a radial threaded hole for accommodating the fastener, glue is injected into the threaded hole, and the periphery of the front mirror frame is provided with a groove or a hole for accommodating the end part of the fastener. The fasteners may be screws, fasteners, tapered pins, etc., and the tapered pins are described in detail below as an example.
In a specific configuration, as shown in fig. 3 and 6, the front lens frame 2 is provided at its periphery with a groove or a hole for receiving the tip of the taper pin 8, the groove may be an annular V-shaped groove 13 or an arc-shaped V-shaped groove, and the hole may be a tapered hole adapted to the tip of the taper pin 8. In order to facilitate the manufacture of parts and the assembly of the front frame 1 and the rear frame 2, it is preferable that an annular V-shaped groove 13 is formed at the periphery of the front frame 2 for accommodating the tip of the taper pin 8, and the taper pin 8 is inserted into any position in the annular V-shaped groove 13. The direct contact glue of the back mirror frame is locked with the conical nail, so that the glue solidification time can be effectively shortened in time, and the conical nail can simultaneously lock the front group.
In order to ensure the firm connection between the front frame 1 and the rear frame 2, the circumferential surface of the rear frame 1 is provided with a plurality of threaded holes, the threaded holes are preferably evenly distributed along the circumferential direction of the rear frame 1, a conical nail 8 is fixed in each threaded hole, and the tip of each conical nail 8 is inserted into an annular V-shaped groove on the front frame 2.
In this embodiment, preceding adjustable ring 4 and facing 3 are protruding to be extended towards each other and are had spacing portion, and spacing portion on the facing 3 is equipped with spacing inclined plane, is fixed with the taper pin 8 on the preceding adjustable ring 4, and this taper pin 8 butt is to the spacing inclined plane on the spacing portion of facing 3, and the spacing portion of facing 3 is blocked before between the spacing portion and the taper pin 8 of adjustable ring 4.
In this embodiment, as shown in fig. 4 and 5, for the convenience of manufacturing, the limiting portion on the front adjusting ring 4 is a first limiting ring 9 extending from the inner hole wall of the front adjusting ring 4 to the center of the hole, and the limiting portion on the mouthpiece 3 is a second limiting ring 10 protruding from the outer periphery of the mouthpiece 3. It is understood that the form of the limiting portion on the front adjusting ring 4 and the limiting portion on the mouthpiece 3 is not limited to a ring shape, for example, the limiting portion may also be a multi-segment arc-shaped convex portion, or a circle of isolated convex point, and both the arc-shaped convex portion and the convex point are provided with a limiting inclined surface.
In this embodiment, as shown in fig. 3, a screw 11 is fixed on the front adjusting ring 4, the end of the screw 11 is inserted into the front of the main cylinder 5, and the screw 11 is used to limit the distance that the front adjusting ring 4 moves axially backward relative to the main cylinder 5, so as to prevent the rear lens frame 2 from moving axially backward excessively relative to the main cylinder 5.
The rear mirror frame 2 is internally provided with a diaphragm, the main cylinder 5 is externally provided with a diaphragm adjusting ring 6, and the diaphragm adjusting ring 6 can adjust the diaphragm. The specific structure of the diaphragm and the mounting of the diaphragm adjusting ring 6 can be found in the prior art, which can be easily implemented by those skilled in the art and will not be described in detail.
In this embodiment, as shown in fig. 3, a radial threaded hole is formed in the diaphragm adjusting ring 6, a fastening nail 12 is disposed in the radial threaded hole, the fastening nail 12 can be abutted to the main barrel 5, the diaphragm adjusting ring 6 can be fixed to the main barrel 5 by screwing the fastening nail 12, and the diaphragm adjusting ring 6 can be rotated relative to the main barrel 5 by unscrewing the fastening nail.
As shown in fig. 3, the rear end of the main tube 5 is fixedly connected with a connecting seat 7, a step surface is arranged on the main tube 5, and the step surface and the connecting seat 7 are respectively abutted against two ends of the diaphragm adjusting ring 6 to prevent the diaphragm adjusting ring 6 from generating axial movement.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A machine vision lens, characterized by: including preceding picture frame, back picture frame, facing, preceding adjustable ring and a main section of thick bamboo, preceding adjustable ring fastening is on the facing, and the facing passes through the screw thread spiro union on the picture frame of back, and a main section of thick bamboo passes through screw thread spiro union facing, and the facing is rotated when rotating preceding adjustable ring, and then makes a main section of thick bamboo and back picture frame produce along axial relative displacement, preceding picture frame and back picture frame rigid coupling.
2. The machine-vision lens of claim 1, wherein: the main barrel is sleeved on the rear mirror frame, the tooth socket is provided with an internal thread and an external thread, the tooth socket is in threaded connection with the rear mirror frame through the internal thread, and the tooth socket is in threaded connection with the main barrel through the external thread.
3. The machine-vision lens of claim 1, wherein: the front mirror frame and the rear mirror frame are connected through at least one fastener, the outer wall of the machine vision lens is provided with an exposed area, and the fastener is located in the exposed area.
4. The machine-vision lens of claim 3, wherein: the rear end of the front mirror frame is inserted into the front end of the inner hole of the rear mirror frame, the fastening piece is provided with external threads, the rear mirror frame is provided with a radial threaded hole for accommodating the fastening piece, glue is injected into the threaded hole, and the periphery of the front mirror frame is provided with a groove or a hole for accommodating the end part of the fastening piece.
5. The machine-vision lens of claim 4, wherein: the fastener is the awl nail, be equipped with a plurality of screw holes on the picture frame of back, each screw hole is followed back picture frame circumference evenly distributed, and the fastening has a awl nail in each screw hole, preceding picture frame periphery is equipped with and is used for holding the most advanced annular V-arrangement groove of each awl nail.
6. The machine-vision lens of claim 1, wherein: the front adjusting ring and the tooth socket mutually protrude towards each other to form a limiting part, the limiting part on the tooth socket is provided with a limiting inclined surface, a conical nail is fixed on the front adjusting ring and abuts against the limiting inclined surface on the limiting part of the tooth socket, and the limiting part of the tooth socket is clamped between the limiting part of the front adjusting ring and the conical nail.
7. The machine-vision lens of claim 1, wherein: the front adjusting ring is fixed with a screw, the tail end of the screw is inserted into the front of the main cylinder, and the screw is used for limiting the distance of the front adjusting ring moving backwards in the axial direction relative to the main cylinder, so that the rear mirror frame is prevented from moving backwards in the axial direction relative to the main cylinder.
8. The machine-vision lens of any one of claims 1 to 7, wherein: the rear mirror frame is internally provided with a diaphragm, the main cylinder is externally provided with a diaphragm adjusting ring, and the diaphragm adjusting ring can adjust the diaphragm.
9. The machine-vision lens of claim 8, wherein: the diaphragm adjustable ring is provided with a radial threaded hole, the radial threaded hole is provided with a fastening nail, the fastening nail can be abutted to the main cylinder, the fastening nail is screwed to enable the diaphragm adjustable ring to be fixed with the main cylinder, and the fastening nail is unscrewed to rotate the diaphragm adjustable ring relative to the main cylinder.
10. The machine-vision lens of claim 8, wherein: the rear end of the main cylinder is fixedly connected with a connecting seat, a step surface is arranged on the main cylinder, and the step surface and the connecting seat are respectively abutted against two ends of the diaphragm adjusting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350076.8U CN211402889U (en) | 2020-03-19 | 2020-03-19 | Machine vision camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350076.8U CN211402889U (en) | 2020-03-19 | 2020-03-19 | Machine vision camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211402889U true CN211402889U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020350076.8U Active CN211402889U (en) | 2020-03-19 | 2020-03-19 | Machine vision camera lens |
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| CN (1) | CN211402889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433330A (en) * | 2020-12-10 | 2021-03-02 | 舜宇光学(中山)有限公司 | Lens locking structure |
| CN114942557A (en) * | 2022-05-13 | 2022-08-26 | 湖南长步道光学科技有限公司 | Diaphragm adjusting device and lens with same |
-
2020
- 2020-03-19 CN CN202020350076.8U patent/CN211402889U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433330A (en) * | 2020-12-10 | 2021-03-02 | 舜宇光学(中山)有限公司 | Lens locking structure |
| CN114942557A (en) * | 2022-05-13 | 2022-08-26 | 湖南长步道光学科技有限公司 | Diaphragm adjusting device and lens with same |
| CN114942557B (en) * | 2022-05-13 | 2024-01-26 | 湖南长步道光学科技有限公司 | Diaphragm adjusting device and lens with same |
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