CN211718592U - Square rod fixing assembly and optical equipment - Google Patents

Square rod fixing assembly and optical equipment Download PDF

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Publication number
CN211718592U
CN211718592U CN201922432963.XU CN201922432963U CN211718592U CN 211718592 U CN211718592 U CN 211718592U CN 201922432963 U CN201922432963 U CN 201922432963U CN 211718592 U CN211718592 U CN 211718592U
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China
Prior art keywords
square bar
square
fixing assembly
pressing plate
hole
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CN201922432963.XU
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Inventor
周日鸣
徐应荣
文新柏
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Shenzhen Appotronics Corp Ltd
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Appotronics Corp Ltd
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Priority to CN201922432963.XU priority Critical patent/CN211718592U/en
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Publication of CN211718592U publication Critical patent/CN211718592U/en
Priority to PCT/CN2020/137086 priority patent/WO2021135957A1/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)

Abstract

The utility model provides a square bar fixing component, which comprises a square bar bracket, wherein the square bar bracket comprises a first supporting part and a second supporting part; the elastic piece can be fixed on the square bar bracket, an accommodating space is formed between the elastic piece and the first supporting part and between the elastic piece and the second supporting part, and the square bar can be placed in the accommodating space; the elastic piece comprises at least two abutting parts extending towards the accommodating space, the abutting parts abut against the square rods, and the at least two abutting parts of the elastic piece are matched with the first supporting part and the second supporting part to fix the square rods in the accommodating space. The utility model provides an optical equipment of subassembly is fixed to application square bar. Compared with the prior art, the utility model discloses a subassembly is fixed to square bar and the equal stability of optical equipment is good, the reliability is high, the installation is simple and the commonality is strong.

Description

Square rod fixing assembly and optical equipment
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of optical technology, especially, relate to a fixed subassembly of square bar and optical equipment of square bar installation.
[ background of the invention ]
In the optical field, a square bar (or called a light uniformizing bar) is one of optical elements indispensable to an optical apparatus, and the reliability of fixing the square bar directly affects the optical performance of the optical apparatus, and the square bar is usually fixed by a square bar mounting device in the optical apparatus such as a projector, a camera, a microscope, and the like.
In the related art, the square rod is pressed by a plurality of independent pressure points, and the square rod of the structure moves, so that the optical equipment is poor in reliability, or the square rod is fixed by a complex clamping device, is complex in structure and is easy to damage during assembly.
Therefore, there is a need to provide a new device and an optical apparatus to solve the above-mentioned technical problems.
[ Utility model ] content
The utility model aims at overcoming above-mentioned technical problem, providing a subassembly and optical equipment are fixed to square bar that stability is good, the reliability is high, the installation is simple and the commonality is strong.
In order to achieve the above object, the present invention provides a square bar fixing assembly, which comprises a square bar support, wherein the square bar support comprises a first support part and a second support part; the elastic piece can be fixed on the square bar bracket, an accommodating space is formed between the elastic piece and the first supporting part and between the elastic piece and the second supporting part, and the square bar can be placed in the accommodating space; the elastic piece comprises at least two abutting parts extending towards the accommodating space, the abutting parts abut against the square rod, and the at least two abutting parts of the elastic piece are matched with the first supporting part and the second supporting part to fix the square rod in the accommodating space
In one embodiment, the first supporting portion and the second supporting portion are vertically disposed and respectively fix two adjacent side surfaces of the square bar, and the elastic member includes a first abutting portion and a second abutting portion, and the first abutting portion and the second abutting portion respectively abut against the other two adjacent side surfaces of the square bar.
In one embodiment, the square bar support further comprises a support body, the first support part and the second support part are two protruding surfaces extending vertically on the support body, and the elastic part is fixed on the support body.
In one embodiment, the elastic member includes a first pressing plate and a second pressing plate, the first pressing plate and the second pressing plate are connected to form an L-shaped structure, the first pressing plate extends to the accommodating space to form the first abutting portion, and the second pressing plate extends to the accommodating space to form the first abutting portion.
In one embodiment, the first pressing plate has a pre-locking hole, the second pressing plate has a positioning hole, the bracket body has a first through hole corresponding to the pre-locking hole and a second through hole corresponding to the positioning hole, and the elastic member is fixed on the bracket body by the cooperation of the pre-locking hole and the first through hole and the cooperation of the positioning hole and the second through hole.
In one embodiment, the pre-locking hole is a U-shaped hole, and a long axis direction of the U-shaped hole is parallel to an extending direction of the first pressing plate.
In one embodiment, the elastic member is provided with a force reducing port, and at least a part of the force reducing port is arranged to penetrate through the first pressing plate and the second pressing plate simultaneously.
In one embodiment, the bracket body is provided with a positioning pin, and the elastic member is provided with a through hole matched with the positioning pin.
In one embodiment, two sets of the first supporting portion and the second supporting portion extend in the vertical direction on the bracket body, each set of the first supporting portion and the second supporting portion corresponds to one elastic piece, and an accommodating space formed by the two sets of the first supporting portion and the second supporting portion and the corresponding elastic piece is used for accommodating the square rod.
In one embodiment, the abutment is a spring arm in line contact with the square bar.
In one embodiment, the bracket body comprises a first body and a second body bent and extended from the first body, the second body and the elastic element together enclose the accommodating space, the first supporting part is formed by extending the first body, and the second supporting part is formed by extending the second body.
In one embodiment, the elastic member comprises two independent pressing plates, a convex hull is formed on each pressing plate, the two pressing plates are respectively fixed on the first body and the second body, and the two pressing plates fixed on the first body and the second body are arranged in an L shape;
the two pressing plates, the first body and the second body form the accommodating space together, and the convex hull can abut against the square rod.
In one embodiment, the first supporting portion and the second supporting portion are vertically arranged and respectively fix two adjacent side surfaces of the square bar, and the two convex hulls respectively abut against the other two adjacent side surfaces of the square bar.
In one embodiment, the pressing plate is provided with a locking hole and a positioning hole, and the first body is provided with a positioning pin corresponding to the positioning hole and a through hole corresponding to the locking hole.
In one embodiment, the abutting surface of the first supporting portion abutting against the square rod and the abutting surface of the second supporting portion abutting against the square rod are both recessed to form a filling groove, the filling groove is filled with an adhesive, and the adhesive and the square rod are glued and fixed.
In one embodiment, the bracket further comprises clamping plates which are arranged at intervals in the direction of the extending optical axis and fixed at two ends of the bracket body, light through holes are formed in the clamping plates, the two clamping plates are respectively abutted against two ends of the square rod, and the light through holes are opposite to the square rod.
In one embodiment, the square bar fixing assembly further comprises a pressing block, a pressing sheet and a light diffuser, wherein the pressing block, the pressing sheet and the light diffuser are arranged on the outer side of one of the clamping plates and are sequentially arranged along the light incidence direction, the light diffuser is arranged opposite to the light through hole, the pressing block is fixed on the clamping plate through the connecting piece, and the pressing sheet and the light diffuser are pressed and fixed between the pressing block and the clamping plate.
An optical device comprises a shell, a light source, a square rod and the square rod fixing assembly, wherein the light source and the square rod are installed in the shell, the square rod is fixed on the square rod fixing assembly, and the light source is located on an optical axis of the square rod fixing assembly.
Compared with the prior art, the utility model discloses a fixed subassembly of square bar and optical equipment are through setting up first supporting part and second supporting part respectively at the support body, elastic component and first supporting part and second supporting part form accommodating space, extend a plurality of butt portions on the elastic component, because butt portion extends from the elastic component, not mutual independence between a plurality of butt portions, but exist as a whole based on the elastic component, regard as the holding surface through first supporting part and second supporting part, a plurality of butt portions as the pressing surface of the elastic component that exists as a whole, elastic component and first supporting part and second supporting part cooperation form accommodating space with fixed square bar, thereby make the stability that the square bar is fixed in the square bar support good, thereby make the reliability of fixed subassembly of square bar and optical equipment high, and easily install and the commonality is strong.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a square bar fixing assembly according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a square bar support of a square bar fixing assembly according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of one of the elastic members of the square bar fixing assembly according to the first embodiment of the present invention;
FIG. 4 is a schematic structural view of another elastic member of the square bar fixing assembly according to the first embodiment of the present invention;
FIG. 5 is a schematic structural view of a square bar fixing component according to a second embodiment of the present invention;
fig. 6 is a schematic structural view of an elastic member according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of an optical system according to a third embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
(first embodiment)
Referring to fig. 1-4, the present invention provides a square bar fixing assembly 100. The square bar fixing assembly 100 includes a square bar support 1 and an elastic member 2.
The square bar support comprises a square bar support 1, wherein the square bar support 1 comprises a first support part 12 and a second support part 13.
Further, the square bar support 1 includes a support body 11, a first support portion 12, and a second support portion 13, where the first support portion 12 and the second support portion 13 are two protruding surfaces extending along a vertical direction on the support body 11, and refer to fig. 2.
And the elastic part 2 can be fixed on the square bar support 1, an accommodating space is formed between the elastic part and the first supporting part 12 and the second supporting part 13, the square bar 3 can be arranged in the accommodating space, the first supporting part 12 and the second supporting part 13 serve as supporting surfaces to support the square bar 3, and the elastic part 2 serves as a pressing part to press the square bar 2 on the supporting surfaces.
The elastic piece 2 comprises at least two abutting parts (23, 24) extending towards the accommodating space, the abutting parts (23, 24) abut against the square rod 3, and the at least two abutting parts of the elastic piece 2 are matched with the first supporting part and the second supporting part to fix the square rod 3 in the accommodating space.
The square rod is a light-homogenizing rod, the structure and the shape of the light-homogenizing rod are not limited, the square rod can be one of a circular rod, a diamond rod, a rectangular rod and a polygonal rod, and the light-homogenizing rod with a corresponding structural form can be selected according to the actual use requirement. In the present embodiment, the square rod 3 is a rectangular rod structure, which is beneficial to uniform light and easy to fix, and has high reliability. In this embodiment, the square rods 3 are made of quartz glass, have a size of 4 × 7.6 × 75mm and a weight of about 5g, and are excellent in optical properties.
In this embodiment, the elastic member forms accommodating space with first supporting part and second supporting part, extend a plurality of butt portions on the elastic member, because butt portion extends from the elastic member, not mutually independent between a plurality of butt portions, but exist as a whole based on the elastic member, through first supporting part and second supporting part as the holding surface, a plurality of butt portions as the elastic member that exists as a whole are as pressing surfaces, the elastic member cooperates with first supporting part and second supporting part to form accommodating space, with fixed square bar, thereby make the stability that square bar is fixed in the square bar support good, thereby make the reliability of square bar fixed subassembly and optical equipment high, and easily install and the commonality is strong.
Further, the first supporting portion 12 and the second supporting portion 13 support two adjacent side surfaces of the square bar 3, respectively. Wherein the first support portion 12 is adapted to abut against one side surface of the square bar 3, and the second support portion 13 is adapted to abut against an adjacent side surface of the side surface. The first support portion 12 and the second support portion 13 constitute a positioning support surface for the square bar 3.
The elastic member 2 includes a first abutting portion 23 and a second abutting portion 24, which abut against the other two adjacent side surfaces of the square bar 3, and generate elastic compression deformation so as to fix the square bar 3 to the square bar support 1.
In order to fix the square bar more preferably, referring to fig. 2, both the abutting surface of the first supporting portion 12 abutting against the square bar 3 and the abutting surface of the second supporting portion 13 abutting against the square bar 3 are recessed to form a filling groove 16. And the filling groove 16 is filled with a bonding agent, and the bonding agent and the square rod 3 are glued and fixed. The adhesive is filled in the filling groove 16 through a fine needle tube so that the first support portion 12 and the second support portion 13 are fixed to the square bar 3, respectively.
Wherein the adhesive is transparent and has a low refractive index, and the adhesive has extremely high adhesion performance with the square rod bracket 1 and the square rod 3 respectively.
In the present embodiment, the adhesive is a glue, preferably a thermosetting glue. At normal temperature, dispensing is carried out at the filling groove 16 by adopting a micro needle tube, and after dispensing is finished, glue is solidified in a high-temperature box. Through experimental tests, the square rod 3 is fixed by the glue without light leakage. The square bar 3 does not move when the axial force is less than 300N. Under the high-low temperature cycle test condition (-40 ℃ -85 ℃, three months), the test result shows that the square rod 3 can not move. In specific implementation, the process of the embodiment is complex, the glue curing time is long, but the effect is good, the fixation is reliable, and the reliability is favorably improved.
Preferably, the first abutting portion 23 and the second abutting portion 24 are spring arms, and the spring arms are in line contact with the side surfaces of the square bars. The second abutting portion 24 is disposed opposite to the first supporting portion 12. Wherein the first abutting portion 23 and the second abutting portion 24 are in line contact with the square bar 3, respectively, and are elastically deformed. In this embodiment, the temperature of the square bar fixing component 100, which is generated by the light source, is high, and after the light source is stabilized, the temperature of the square bar support 1 reaches 80 ℃ to 120 ℃. Under the long-term service condition, the square rod 3 bears the action of the force of the elastic piece 2, and the influence of cold and hot shock, vibration and the like. The light source aging experiment can obtain that: in order to ensure that the high-brightness light source does not move under long-term use conditions, the maximum static friction force in the axial direction Z of the square rod 3 needs to be greater than 40N, and the magnitude of the force is finally obtained by optimizing relevant parameters of the elastic member 2, so that the magnitude of the elastic force of the first abutting part 23 and the second abutting part 24 is set.
Further, the elastic member includes a first pressing plate 21 and a second pressing plate 22, the first pressing plate 21 and the second pressing plate 22 are connected to form an L-shaped structure, the first pressing plate 21 extends to the accommodating space to form the first abutting portion 23, and the second pressing plate 22 extends to the accommodating space to form the first abutting portion 22. Referring to fig. 1, the first pressing plate 21 is a plate body extending in the Y direction, and the second pressing plate is a plate body extending in the X direction, where the X direction is perpendicular to the Y direction. The L-shaped elastic member 2, the first support portion 12 and the second support portion 13 extending vertically together enclose an accommodating space for accommodating the square bar 3, wherein an axial direction Z is an axial direction of the square bar 3. The axial direction Z is also the direction of the optical axis.
Further, the bracket body 11 includes a first body 111 and a second body 112 extending from the first body 111. The first body 111, the second body 112 and the elastic element 2 together enclose the accommodating space 10. The first support portion 12 extends from the holder body 11 into the housing space 10. In the present embodiment, the first support portion 12 extends from the holder body 11 into the housing space 10 in the first direction X. The first support portion 12 is formed by extending the first body 111. The first supporting portion 12 is formed by extending the first body 111 and is parallel to the second body 112.
In one embodiment, the fixed connection of the elastic member 2 and the bracket body 11 can be achieved by the following structure:
the first pressing plate 21 is provided with a pre-locking hole 210 penetrating therethrough, and the pre-locking hole 20 may be a kidney-shaped hole. The second pressing plate 22 is provided with a positioning hole 220. The first body 111 is provided with a first through hole corresponding to the pre-locking hole 210, and the second body 112 is provided with a second through hole corresponding to the positioning hole 220. The first pressing plate 21 is fixedly connected to the first body 111 by the connecting member 14 passing through the kidney-shaped hole 210 and the first through hole. And the second pressing plate 22 is fixedly connected with the second body 112 through the connecting member 14 passing through the positioning hole 220 and the second through hole.
For more accurate positioning, the bracket body 11 is provided with a positioning pin 15, the elastic member 2 is further provided with a positioning through hole 201 matched with the positioning pin, and the positioning pin 15 is inserted into the positioning through hole 201 to position the elastic member 2.
In this embodiment, when the elastic member 2 is assembled, the positioning pin 15 is inserted through the elastic member 2, the screw corresponding to the pre-locking hole 210 is pre-locked, the screw corresponding to the positioning hole 220 is locked, and the screw corresponding to the pre-locking hole 210 is locked. By adopting the locking mode, the square rod 3 can be ensured not to be damaged by the abutting part of the elastic piece 3 during installation. Wherein, if the waist-shaped hole 210 is not a waist-shaped hole but a round hole or the screw locking assembly sequence is wrong, the square bar 3 is most likely to be damaged by the elastic member 2.
In the present embodiment, the total width of the elastic member 2 is 26mm, which is to ensure that the screwdriver does not touch the square bar 3 when the elastic member 2 locks the square bar 3, thereby ensuring that the square bar 3 is not damaged during assembly. However, when the elastic member 2 is widened, the rigidity becomes high, and the internal stress becomes large after the elastic member 2 is locked. In order to solve the problem that the risk of screw loosening is high under long-term use conditions, in the present embodiment, the elastic member 2 further includes a force reduction through hole 202, and at least a portion of the force reduction through hole 202 is simultaneously disposed through the first pressure plate 21 and the second pressure plate 22. Referring to fig. 4, the force reducing port 202 is formed to extend along the axial direction Z, that is, the force reducing port 202 is parallel to the axial direction Z of the square rod 3. As shown in fig. 5, of course, the force reducing port 202 is formed to extend along the first direction X and the second direction Y, respectively, that is, the force reducing port 202 is perpendicular to the axial direction Z of the square rod 3. Of course, the present invention is not limited thereto, and other directions are possible. The force reducing vent 202 may reduce the overall stiffness of the spring 2.
In one embodiment, the elastic member 2 is made of SUS 3013/4H, and has strong elasticity and good processability.
In one embodiment, as shown in fig. 1, two sets of first supporting portions 11 and two sets of second supporting portions extend from the bracket body 11 along the Z-axis direction, and two corresponding elastic members are provided, and the two sets of first supporting portions and the two sets of second supporting portions and the corresponding elastic members form an accommodating space for accommodating the square bar.
Of course, a plurality of sets of the first support portion 12 and the second support portion 13 may be further provided in the Z-axis direction to achieve an optimal fixing effect of the counterpart bar.
Further, the square rod support 1 further comprises clamping plates 17 fixed at two ends of the support body 11, light passing holes (not shown) are formed in the clamping plates, the two clamping plates 17 abut against two ends of the square rod 3 respectively, and the light passing holes are opposite to the square rod.
(second embodiment)
The second embodiment is substantially the same as the square bar support 1 of the first embodiment, and in this embodiment, the structural form and the assembly form of the elastic member 2 are different from those of the first embodiment, and only the differences are listed below.
The elastic member 2 ' includes an elastic member body 21 ' (i.e., a pressing plate) and a convex hull 22 ' punched from the elastic member body 21. Two independent elastic members 2' are provided in pairs corresponding to one set of the first support portion 12 and the second support portion 13. Two elastic members 2 'are respectively fixed to the first body 111 and the second body 112 to make the convex hull 22' abut against the square bar 3. The two elastic pieces 2 ' fixed on the first body and the second body are arranged in an L shape, the two elastic pieces 2 ' and the first body and the second body together form the accommodating space, and the convex hull 22 ' can be abutted against the square rod.
Similarly, the first supporting portion and the second supporting portion are vertically arranged and respectively fix two adjacent side surfaces of the square bar, and the two convex hulls 22 'corresponding to the two elastic members 2' are respectively abutted to the other two adjacent side surfaces of the square bar.
The convex hull 22' is in point contact or small area contact with the square bar 3. The elastic part 2' has simple processing and low cost. Preferably, the elastic part 2' is firmly and reliably contacted with the square rod 3.
In the present embodiment, the elastic members 2' include four. The elastic body 21 'of the two elastic pieces 2' is fixed to the two first bodies 111, and the two convex hulls 22 'of the two elastic pieces 2' are abutted against the square bar 3 and are arranged opposite to the two second supporting parts 13. The elastic body 21 'of the other two elastic pieces 2' are respectively fixed to the two second bodies 112, and the two convex hulls 22 'of the two elastic pieces 2' respectively abut against the square bar 3 and are respectively arranged opposite to the two first supporting portions 12. This structure provides good stability in fixing the square bar 3 to the square bar support 1, thereby providing high reliability of the square bar fixing assembly 100.
(third embodiment)
The present embodiment discloses an optical apparatus including a light source, a square rod 3, and a square rod fixing member for fixing the square rod 3, which may be the member described in the first and second embodiments described above. The light beam emitted by the light source can enter the square rod for light homogenizing treatment.
Further, the optical device further comprises a light diffuser 6, wherein the light diffuser 6 is positioned at the light incidence end of the square rod 3, and the light diffuser 6 is fixed on the square rod bracket in the square rod fixing assembly through a pressing block 4 and a pressing sheet 5.
The pressing block 4 is used for pressing the pressing sheet 5. The pressing block 4 is arranged on the outer side of a clamping plate 17 on one side of the square rod bracket 1.
Specifically, the pressing block 4, the pressing sheet 5 and the light diffuser 6 are sequentially arranged on the outer side of the clamping plate 17 on one side of the square rod bracket along the light incidence direction. The pressing block 4 is fixed on the clamping plate 17 through the connecting piece 14, and the pressing sheet 5 and the diffuser sheet 6 are pressed and fixed between the pressing block 4 and the clamping plate 17. The function of the pressing block 4 can omit the screw locking of the pressing sheet 5. The briquetting 4 set up in the light entrance department of square rod 3, the environment of this position is stray light intensity and temperature height, the reflectivity and the heat dissipation of briquetting 4 require highly.
The pressing sheet 5 is used for fixing the light diffuser 6. Specifically, the legs of the pressing sheet 5 act on the diffuser sheet 6.
The light diffuser 6 is arranged right opposite to the light through hole. The diffuser 6 is used to enhance the uniformity of the light spot.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims (18)

1. A square bar fixing assembly, comprising:
the square rod support comprises a first support part and a second support part;
the elastic piece can be fixed on the square bar bracket, an accommodating space is formed between the elastic piece and the first supporting part and between the elastic piece and the second supporting part, and the square bar can be placed in the accommodating space;
the elastic piece comprises at least two abutting parts extending towards the accommodating space, the abutting parts abut against the square rods, and the at least two abutting parts of the elastic piece are matched with the first supporting part and the second supporting part to fix the square rods in the accommodating space.
2. The square bar fixing assembly according to claim 1, wherein the first supporting portion and the second supporting portion are vertically disposed and respectively fix two adjacent sides of the square bar, and the elastic member includes a first abutting portion and a second abutting portion, and the first abutting portion and the second abutting portion respectively abut against the other two adjacent sides of the square bar.
3. The square bar fixing assembly according to claim 2, wherein the square bar support further comprises a support body, the first support portion and the second support portion are two protruding surfaces extending in a vertical direction on the support body, and the elastic member is fixed to the support body.
4. The square bar fixing assembly according to claim 3, wherein the elastic member comprises a first pressing plate and a second pressing plate, the first pressing plate and the second pressing plate are connected to form an L-shaped structure, the first abutting portion extends towards the accommodating space from the first pressing plate, and the first abutting portion extends towards the accommodating space from the second pressing plate.
5. The square bar fixing assembly according to claim 4, wherein the first pressing plate has a pre-locking hole, the second pressing plate has a positioning hole, the bracket body has a first through hole corresponding to the pre-locking hole and a second through hole corresponding to the positioning hole, and the elastic member is fixed to the bracket body by the cooperation of the pre-locking hole and the first through hole and the cooperation of the positioning hole and the second through hole.
6. The square bar fixing assembly according to claim 5, wherein the pre-locking hole is a kidney-shaped hole, and a long axis direction of the kidney-shaped hole is parallel to an extending direction of the first pressing plate.
7. The square bar fixing assembly according to claim 4, wherein the elastic member is provided with a force reducing port, and at least a portion of the force reducing port is simultaneously disposed through the first pressing plate and the second pressing plate.
8. The square bar fixing assembly according to claim 3, wherein the bracket body is provided with a positioning pin, and the elastic member is provided with a through hole matched with the positioning pin.
9. The square bar fixing assembly according to claim 3, wherein two sets of the first supporting portion and the second supporting portion extend from the bracket body, each set of the first supporting portion and the second supporting portion corresponds to an elastic member, and an accommodating space formed by the two sets of the first supporting portion and the second supporting portion and the corresponding elastic member is used for accommodating the square bar.
10. The square bar fixing assembly of claim 1 wherein the abutment is a spring arm in line contact with the square bar.
11. The square bar fixing assembly according to claim 1, wherein the bracket body comprises a first body and a second body bent and extended from the first body, the first support part is formed by extending the first body, and the second support part is formed by extending the second body.
12. The square bar fixing assembly according to claim 11, wherein the elastic member comprises two independent pressing plates, each pressing plate is formed with a convex hull, the two pressing plates are respectively fixed on the first body and the second body, and the two pressing plates fixed on the first body and the second body are arranged in an L shape;
the two pressing plates, the first body and the second body form the accommodating space together, and the convex hull can abut against the square rod.
13. The square bar fixing assembly according to claim 12, wherein the first supporting portion and the second supporting portion are vertically disposed and respectively fix two adjacent side surfaces of the square bar, and the two convex hulls respectively abut two other adjacent side surfaces of the square bar.
14. The square bar fixing assembly according to claim 12, wherein the pressing plate has a locking hole and a positioning hole, and the first body has a positioning pin corresponding to the positioning hole and a through hole corresponding to the locking hole.
15. The square bar fixing assembly according to any one of claims 1 to 14, wherein the abutting surface of the first supporting portion abutting against the square bar and the abutting surface of the second supporting portion abutting against the square bar are recessed to form a filling groove, and the filling groove is filled with an adhesive, and the adhesive is glued and fixed with the square bar.
16. The square bar fixing assembly according to claim 1, wherein the square bar support further comprises clamping plates fixed at two ends of the support body, the clamping plates are provided with light through holes, the two clamping plates are respectively abutted against two ends of the square bar, and the light through holes are opposite to the square bar.
17. An optical device, comprising a light source, a square rod and the square rod fixing component of any one of claims 1 to 16, wherein the square rod is fixed on the square rod fixing component, and a light beam emitted by the light source can enter the square rod for dodging.
18. The optical apparatus according to claim 17, further comprising a diffuser fixed to the square rod holder in the square rod fixing unit by a pressing block, wherein the light beam emitted from the light source enters the square rod after being diffused by the diffuser.
CN201922432963.XU 2019-12-30 2019-12-30 Square rod fixing assembly and optical equipment Active CN211718592U (en)

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CN201922432963.XU CN211718592U (en) 2019-12-30 2019-12-30 Square rod fixing assembly and optical equipment
PCT/CN2020/137086 WO2021135957A1 (en) 2019-12-30 2020-12-17 Square rod fixing assembly and optical apparatus

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WO2021135957A1 (en) * 2019-12-30 2021-07-08 深圳光峰科技股份有限公司 Square rod fixing assembly and optical apparatus

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