CN209919706U - Optical device positioning fixture and optical device positioning device - Google Patents
Optical device positioning fixture and optical device positioning device Download PDFInfo
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- CN209919706U CN209919706U CN201920428568.1U CN201920428568U CN209919706U CN 209919706 U CN209919706 U CN 209919706U CN 201920428568 U CN201920428568 U CN 201920428568U CN 209919706 U CN209919706 U CN 209919706U
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Abstract
The utility model discloses an optical device positioning fixture and optical device positioner, wherein, optical device positioning fixture is used for fixing a position the optical device, and this optical device positioning fixture includes: the positioning seat is provided with a bearing surface, and a fixing plate positioned on one side of the bearing surface is convexly arranged on the positioning seat; the side clamping plate is detachably connected to the positioning seat and arranged opposite to the fixing plate, the side clamping plate, the bearing surface and the fixing plate are enclosed to form a bearing groove, and a positioning block is convexly arranged on one side, facing the fixing plate, of the side clamping plate; when the optical device is limited on the bearing groove, the side clamping plate and the fixing plate are matched to clamp the optical device, and the positioning block is abutted and limited on one side of the optical device, which is far away from the bearing surface, so that the optical device is attached to the bearing surface. The utility model provides an optical device positioning fixture can improve the reliability of optical device location, guarantees that the terminal surface of optical device laminates rather than the plane at place mutually to improve the efficiency and the success rate of follow-up optical device's coupling.
Description
Technical Field
The utility model relates to an optical fiber device technical field, in particular to optical device positioning fixture and optical device positioner.
Background
The square tube is the important constitution of optical device, is used as the base member of optical device, and the pilot hole that is used for installing light emission TO (Transistor type encapsulation) and fiber adapter has generally been seted up TO square tube, then is equipped with optical lens or optical equipment in the square tube, and the laser beam of light emission TO transmission passes through optical lens or optical equipment and propagates TO the optic fibre that fiber adapter connects in. Because the diameter of the light beam is in the micron level, the square tube needs TO be positioned accurately and reliably enough during installation, so that when the optical emission TO is installed, an accurate light beam transmission light path can be formed between the optical emission TO and the optical fiber through the optical lens or the optical equipment, namely, the laser beam emitted by the optical emission TO can accurately pass through the optical lens or the optical equipment and then is emitted into the optical fiber, and the process is also called as the coupling of the optical device.
In the coupling process of the existing optical device, the position of the light emission TO is generally adjusted by placing the square tube on any plane and clamping the square tube by a horizontal clamping device, so as TO complete the coupling. In this way, when the horizontal clamping device performs the clamping action, it is difficult TO ensure that the square tube does not displace, and the optical device coupling is completed before the optical device TO be welded on the square tube, if the optical device coupling process and the welding process generate large displacement, the subsequent optical device TO and the optical fiber installation efficiency and the final laser beam propagation accuracy are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an optical device positioning fixture aims at promoting the reliability of optical device location, guarantees that optical device's terminal surface and the plane at its place are laminated mutually to improve optical device's coupling efficiency and success rate.
In order to achieve the above object, the utility model provides an optical device positioning fixture for fix a position the optical device, optical device positioning fixture includes:
the positioning seat is provided with a bearing surface, and a fixing plate positioned on one side of the bearing surface is convexly arranged on the positioning seat;
the side clamping plate is detachably connected to the positioning seat and arranged opposite to the fixing plate, the side clamping plate, the bearing surface and the fixing plate are enclosed to form a bearing groove, and a positioning block is convexly arranged on one side, facing the fixing plate, of the side clamping plate;
when the optical device is limited in the bearing groove, the side clamping plate is matched with the fixing plate to clamp the optical device, and the positioning block is abutted and limited on one side of the optical device, which is far away from the bearing surface, so that the optical device is attached to the bearing surface.
Optionally, the positioning block comprises a clamping portion protruding from the side clamping plate and an abutting portion protruding from the clamping portion toward one side of the fixing plate, and the clamping portion and the abutting portion are arranged at an included angle;
when the optical device is limited in the bearing groove, the side clamping plate and the clamping part are matched with the fixed plate to clamp the optical device, and the abutting part is abutted and limited on one side of the optical device, which is far away from the bearing surface.
Optionally, the abutting portion has an abutting surface inclined toward the clamping portion, an included angle formed by the abutting surface and the clamping portion is α, and α is greater than 90 ° and less than or equal to 180 °.
Optionally, the optical device positioning fixture further comprises a button column, the side clamping plate is provided with a through hole, and the button column penetrates through the through hole and is in threaded connection with the positioning seat;
the button post can drive the side clamping plate to move close to or far away from the positioning seat, so that the side clamping plate and the fixing plate are matched to clamp the optical device.
Optionally, the button post comprises a push rod and a connecting rod which are connected, a limiting step is formed at the joint of the push rod and the connecting rod, one end of the connecting rod penetrates through the through hole to be in threaded connection with the positioning seat, and the side clamping plate is limited on the limiting step.
Optionally, the optical device positioning fixture further includes an elastic member sleeved on the connecting rod;
the elastic part is limited between the side clamping plate and the positioning seat, and when the side clamping plate and the fixing plate are matched to clamp the optical device, the elastic part is in a compressed state.
Optionally, a limiting hole is further formed in one side, facing the side clamping plate, of the positioning seat;
the limiting hole comprises an inner hole and an outer hole which are communicated, and a limiting part is arranged on the side wall of the outer hole;
the connecting rod passes behind the spacing portion threaded connection in the lateral wall of hole, the elastic component is spacing in the side splint with between the spacing portion.
Optionally, the side clamping plate is further provided with at least one guide hole, and the guide hole and the through hole are arranged at intervals;
one side of the positioning seat facing the side clamping plate is provided with a guide post corresponding to the guide hole, and at least part of the guide post can penetrate through the guide hole in a sliding mode.
Optionally, the positioning seat is further provided with a fixture block, and the fixture block, the side clamping plate, the bearing surface and the fixing plate are enclosed to form the bearing groove;
the optical device comprises a square tube and an optical fiber adapter arranged at one end of the square tube, one side of the fixture block, which is back to the positioning seat, is concavely provided with an arc surface, and the arc surface is matched with the outer peripheral surface of the optical fiber adapter;
the square tube is limited in the bearing groove, and the optical fiber adapter is abutted to the cambered surface.
Furthermore, the utility model also provides an optical device positioner, it includes:
in the optical device positioning fixture, a base pillar is arranged on one side of the positioning seat away from the bearing surface; and
and one end of the base column, which is far away from the positioning seat, is connected to the positioning table, and the axial lead of the base column is vertical to the plane of the bearing surface.
The technical scheme of the utility model is that a bearing surface capable of bearing the optical device is arranged on the positioning seat, a fixing plate is arranged on one side of the bearing surface, and the optical device on the bearing surface is clamped by matching a side clamping plate arranged opposite to the fixing plate and the fixing plate, so as to realize the side positioning of the optical device; furthermore, the positioning block is convexly arranged on one side, facing the fixing plate, of the side clamping plate, so that when the side clamping plate and the fixing plate are matched to clamp the optical device, at least part of the positioning block is abutted against the upper end of the optical device, force towards the bearing surface is applied to the optical device, the end face of the bottom end of the optical device is attached to the bearing surface, and accordingly the positioning reliability of the optical device and the coupling efficiency and success rate of the optical device are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of the optical device positioning jig of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the side clamping plate of FIG. 1;
fig. 4 is a schematic structural diagram of the positioning socket in the bitmap 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
223 | Abutting |
| 11 | |
23 | Through |
| 111 | |
3 | |
| 112 | |
31 | |
| 1121 | Cambered |
32 | Connecting |
| 12 | Guide post | 33 | Limiting |
| 13 | Limiting hole | 4 | |
| 131 | Inner bore | 5 | |
| 132 | Outer hole | 51 | |
| 1321 | Limiting |
52 | |
| 2 | |
53 | Optical emission TO |
| 21 | |
54 | Optical receiving TO |
| 22 | Locating block | 6 | |
| 221 | |
7 | |
| 222 | Clamping part |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an optical device positioning fixture is applied to optical device 5's location.
In the embodiment of the present invention, referring to fig. 1 and shown in fig. 2, the optical device positioning jig includes: the positioning seat 1 is provided with a bearing surface 11, and the positioning seat 1 is convexly provided with a fixing plate 111 positioned on one side of the bearing surface 11; the side clamping plate 2 is detachably connected to the positioning seat 1 and is arranged opposite to the fixing plate 111, the side clamping plate 2, the bearing surface 11 and the fixing plate 111 enclose to form a bearing groove 6, and a positioning block 22 is convexly arranged on one side, facing the fixing plate 111, of the side clamping plate 2; when the optical device 5 is limited in the bearing groove 6, the side clamping plate 2 and the fixing plate 111 cooperate to clamp the optical device, and the positioning block 22 abuts and is limited on one side of the optical device 5 far away from the bearing surface 11, so that the optical device 5 is attached to the bearing surface 11.
The substrate of the optical device 5 is a square tube 51, the square tube 51 is used for installing the light emission TO53 and the optical fiber adapter 52, and the positioning of the optical device 5 in this embodiment mainly refers TO positioning the square tube 51 of the optical device 5. The square tube 51 has a chamber in which an optical lens or an optical instrument for beam deflection is disposed, and both ends of the square tube 51 are provided with the optical fiber adapter 52 and the light receiving TO54, respectively. The coupling of the optical device 5 means that the light beam emitted from the light emission TO53 is precisely injected into the optical fiber connected TO the optical fiber adapter 52 by the deflection or reflection of the optical lens or the optical equipment in the square tube 51. If the square tube 51 is not reliably positioned, the light beam from the light emission TO53 cannot enter the optical fiber connected TO the optical fiber adapter 52 accurately after the light emission TO53 is welded on the square tube 51, and the coupling of the optical device 5 fails. It is important to note that a deviation of the beam diameter in the order of micrometers, small angles or displacements of the beam, can cause coupling failure of the optical device 5, so that reliable and accurate positioning of the optical device 5 is important.
In this embodiment, the supporting surface 11 is an arbitrary plane, the supporting surface 11 is disposed on one side of the positioning seat 1 and is used for supporting the optical device 5, and the optical device 5 is clamped from the left and right sides of the optical device 5 only by the horizontal clamping device in the prior art, which has a disadvantage that the bottom end of the optical device 5 is likely not attached TO the plane on which the optical device 5 is disposed, which may cause that when the optical device 5 is coupled, a light beam of the light emission TO53 cannot be accurately incident into an optical fiber connected TO the optical fiber adapter 52 after being deflected or reflected by the optical lens or the optical device, and a product defect occurs, that is, the coupling failure of the optical device 5 occurs. The side clamping plate 2 is detachably connected with the fixing plate 111 in a connecting mode including but not limited to clamping through a clamping piece and a fastener, and matching and inserting through a positioning pin and a positioning hole. The side clamping plate 2 is arranged opposite to the fixing plate 111, the bearing surface 11 and the fixing plate 111 enclose to form a bearing groove 6 capable of containing the optical device 5, the top end of the side clamping plate 2 is further provided with a positioning block 22, so that the side clamping plate 2 and the fixing plate 111 are matched to clamp the optical device 5 from two opposite sides of the optical device 5, the positioning block 22 abuts against the top end of the optical device 5, downward acting force is applied to the optical device 5, the bottom surface of the optical device 5 is forced to be tightly attached to the bearing surface 11, and reliable positioning of the optical device 5 on the bearing surface is achieved.
The technical scheme of the utility model is that a bearing surface 11 capable of bearing the optical device 5 is arranged on the positioning seat 1, a fixing plate 111 is arranged on one side of the bearing surface 11, and the optical device 5 positioned on the bearing surface 11 is clamped by matching a side clamping plate 2 arranged opposite to the fixing plate 111 and the fixing plate 111, so as to realize the side positioning of the optical device 5; furthermore, the positioning block 22 is convexly arranged on one side of the side clamping plate 2 facing the fixing plate 111, so that when the side clamping plate 2 and the fixing plate 111 cooperate to clamp the optical device 5, at least part of the positioning block 22 abuts against the upper end of the optical device 5, and applies a force towards the bearing surface 11 to the optical device 5, so that the bottom end surface of the optical device 5 is attached to the bearing surface 11, thereby improving the positioning reliability of the optical device 5, and being beneficial to improving the coupling efficiency and success rate of the optical device 5.
Further, referring to fig. 3 in combination with fig. 2, the positioning block 22 includes a clamping portion 222 protruding from the side clamping plate 2 and an abutting portion 223 protruding from the clamping portion 222 toward the fixing plate 111, the clamping portion 222 and the abutting portion 223 are disposed at an included angle; when the optical device 5 is limited in the carrying groove 6, the side clamping plate 2, the clamping portion 222 and the fixing plate 111 cooperate to clamp the optical device, and the abutting portion 223 abuts against and is limited on one side of the optical device 5 far away from the carrying surface 11.
In this embodiment, the abutting portion 223 and the clamping portion 222 may be integrally formed, or may be formed separately and then combined and connected. The abutting portion 223 and the holding portion 222 may be regular or irregular in shape, and are not limited herein, as long as they can be engaged with the optical device 5 and reliably position the optical device 5 on the bearing surface 11. The abutting portion 223 and the clamping portion 222 are preferably made of rigid materials, and it is understood that the rigid materials can increase the reliability and stability of the positioning of the abutting portion 223 and the clamping portion 222 on the optical device 5. In some embodiments, a buffer member is disposed on a side of the abutting portion 223 and the clamping portion 222 facing the optical device 5, the buffer member may be any elastic component such as a sponge or a silica gel, and the buffer member is disposed to enable the abutting portion 223, the clamping portion 222 and the optical device 5 to be matched more tightly, so as to facilitate improvement of reliability of positioning of the optical device 5, and meanwhile, the abutting portion 223 and the clamping portion 222 can be prevented from scratching the optical device 5. The included angle formed by the matching of the clamping portion 222 and the abutting portion 223 is larger than 0 degree and smaller than 180 degrees, when the side clamping plate 2 and the fixing plate 111 are matched to clamp the optical device 5, at least part of the clamping portion 222 abuts against the outer side wall of the optical device 5 and is matched with the fixing plate 111 to clamp the optical device 5, and at least part of the abutting portion 223 abuts against the top end of the optical device 5 to position the optical device 5 on the bearing surface 11.
Further, referring to fig. 3 in combination with fig. 1 and 2, the abutting portion 223 has an abutting surface 221 inclined toward the clamping portion 222, and an included angle formed by the abutting surface 221 and the clamping portion 222 is α (not shown), and 90 ° < α ≦ 180 °.
In this embodiment, the abutting surface 221 is a plane, after the optical device 5 is placed in the bearing groove 6, the side clamping plate 2 is moved until the side clamping plate 2 and the fixing plate 111 cooperate to clamp the optical device 5, at this time, the abutting surface 221 abuts against the top end of the optical device 5, the positioning block 22 applies a downward acting force to the optical device 5 through the abutting surface 221, so that the optical device 5 is forced to be attached to the bearing surface 11, and the arrangement of the abutting surface 221 further ensures the reliability of positioning of the optical device 5.
Further, as shown in fig. 2, the optical device positioning fixture further includes a button column 3, the side clamping plate 2 is provided with a through hole 23, and the button column 3 passes through the through hole 23 and is in threaded connection with the positioning seat 1; the button column 3 can drive the side clamping plate 2 to move close to or away from the positioning seat 1, so that the side clamping plate 2 and the fixing plate 111 cooperate to clamp the optical device 5.
In this embodiment, the side plate 2 is sleeved on the button post 3 through the through hole 23, and one end of the button post 3 passes through the through hole 23 and is screwed to the positioning seat 1. Those skilled in the art will understand that the threaded connection in this embodiment, i.e., the stud 3, is provided with an external thread, the positioning seat 1 is provided with a threaded hole having an internal thread, and the stud 3 is connected to the positioning seat 1 through the matching of the external thread and the internal thread. When the button post 3 is screwed to the screw hole outward, the button post 3 drives the side clamp plate 2 to be far away from the positioning seat 1 and move, and when the button post 3 is screwed to the screw hole, the button post 3 drives the side clamp plate 2 to be close to the positioning seat 1 and move, so that the side clamp plate 2 can be matched with the top plate to clamp the optical device 5.
Further, as shown in fig. 2, the button post 3 includes a push rod 31 and a connecting rod 32 connected to each other, a limit step 33 is formed at a connection portion of the push rod 31 and the connecting rod 32, one end of the connecting rod 32 penetrates through the through hole 23 to be connected with the positioning seat 1 through a thread, and the side clamping plate 2 is limited at the limit step 33.
In this embodiment, the maximum width of the cross section of the ejector rod 31 is greater than the maximum width of the cross section of the connecting rod 32, so that the connecting portion of the ejector rod 31 and the connecting rod 32 forms a limit step 33. The aperture of the through hole 23 is slightly larger than or equal to the maximum width of the cross section of the connecting rod 32, so that the connecting rod 32 can pass through the through hole 23, the side clamping plate 2 is limited at the limiting step 33, and the button post 3 can drive the side clamping plate 2 to move close to the positioning seat 1 through the limiting step 33.
Optionally, the button post 3 is provided with a limiting part, the limiting part may be a limiting block, a limiting protrusion, and the like, the side plate 2 is limited in the limiting part, and the button post 3 drives the side plate 2 to move close to the positioning seat 1 through the limiting part. In some embodiments, two position-limiting members are disposed on the stud 3, the side plate 2 is limited between the two position-limiting members, and the stud 3 drives the side plate 2 to move close to or away from the positioning seat 1 through the two position-limiting members.
Further, as shown in fig. 2, the optical device positioning fixture further includes an elastic member 4 sleeved on the connecting rod 32; the elastic member 4 is limited between the side clamping plate 2 and the positioning seat 1, and when the side clamping plate 2 and the fixing plate 111 cooperate to clamp the optical device 5, the elastic member 4 is in a compressed state.
In this embodiment, the elastic member 4 may be any elastic component such as a spring, an elastic sleeve, and the like, and is not limited herein. When dismantling side splint 2 from positioning seat 1, with the help of the spring, can dismantle side splint 2 more laborsavingly, made things convenient for promptly to dismantle side splint 2 from positioning seat 1.
Further, as shown in fig. 4, a limiting hole 13 is further formed in one side of the positioning seat 1 facing the side clamping plate 2; the limiting hole 13 comprises an inner hole 131 and an outer hole 132 which are communicated, and the side wall of the outer hole 132 is provided with a limiting part 1321; the connecting rod 32 passes through the limiting portion 1321 and then is screwed to the side wall of the inner hole 131, and the elastic member 4 is limited between the side plate 2 and the limiting portion 1321.
In this embodiment, the aperture of hole 131 is less than the aperture of outer hole 132, elastic component 4 is elastic sleeve, the cross-sectional diameter of elastic component 4 is greater than the aperture of hole 131 and is less than the aperture of outer hole 132, spacing portion 1321 sets up the trompil that can supply connecting rod 32 to pass, connecting rod 32 keeps away from push rod 31 one end once and passes through-hole 23 on the side splint 2, threaded connection is in the lateral wall of hole 131 behind elastic component 4 and the foretell trompil, so that the one end of elastic component 4 holds and spacing in the outer hole 132 of spacing hole 13, carry on spacingly through outer hole 132 and spacing portion 1321 to elastic component 4, appear rocking by a wide margin when preventing elastic component 4 deformation, be convenient for install button post 3 and side splint 2 to positioning seat 1.
Further, referring to fig. 2 and shown in fig. 3, the side clamping plate 2 is further provided with at least one guide hole 21, and the guide hole 21 and the through hole 23 are arranged at intervals;
the side of the positioning seat 1 facing the side clamping plate 2 is provided with a guide post 12 corresponding to the guide hole 21, and the guide post 12 at least partially penetrates through the guide hole 21 in a sliding manner.
In this embodiment, when the button post 3 drives the side clamping plate 2 to move, the side clamping plate 2 moves along the guide post 12 through the guide hole 21, and the guide post 12 guides the movement of the side clamping plate 2 in cooperation with the guide hole 21, so as to improve the accuracy of cooperation between the positioning block 22 on the side clamping plate 2 and the optical device 5, and to facilitate the improvement of the reliability of the positioning of the optical device 5.
Further, referring to fig. 4 and shown in fig. 2, the positioning seat 1 is further provided with a fixture block 112, and the fixture block 112, the side clamping plate 2, the bearing surface 11 and the fixing plate 111 enclose to form a bearing groove 6; the optical device comprises a square tube 51 and an optical fiber adapter 52 arranged at one end of the square tube 51, one side of the fixture block 112, which is opposite to the positioning seat 1, is concavely provided with an arc surface 1121, and the arc surface 1121 is matched with the outer peripheral surface of the optical fiber adapter 52; the square tube 51 is limited in the bearing groove 6, and the optical fiber adapter 52 abuts against the arc surface 1121.
In this embodiment, the fixture block 112 and the fixing plate 111 are disposed at an interval, when the optical device 5 is placed on the bearing surface 11, the bottom end of the square tube 51 in the optical device 5 is received and limited in the bearing groove 6, and the light adapter at the end of the square tube 51 is partially limited on the arc surface 1121 of the fixture block 112, so that the square tube 51 and the optical fiber adapter 52 are reliably positioned at the positioning seat, and the positioning reliability of the whole optical device 5 is improved.
The utility model also provides an optical device 5 positioning device, as shown in fig. 1 and fig. 2, the optical device 5 positioning device comprises the optical device positioning clamp in the above embodiment, and a pillar 7 is arranged on one side of the positioning seat 1 away from the bearing surface 11; and a positioning table (not shown), wherein one end of the base column 7, which is far away from the positioning seat 1, is connected to the positioning table, and the axial lead of the base column 7 is perpendicular to the plane of the bearing surface 11. The specific structure of the optical device positioning fixture refers to the above embodiments, and since the optical device 5 positioning apparatus adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
When the optical device 5 is coupled, in order TO ensure that a light beam emitted from the light emission TO53 is perpendicular TO the end surface of the optical device 5 and enters the optical device 5, the positioning seat 1 is provided with the base pillar 7, the axial lead of the base pillar 7 is perpendicular TO the plane where the bearing surface 11 is located, the top end surface and the bottom end surface of the optical device 5 are parallel, and when the optical device 5 is positioned on the bearing surface 11, the top end surface and the bottom end surface of the optical device 5 are both parallel TO the bearing surface 11. Therefore, the bearing surface 11 can be kept in a horizontal state, so that when the optical device 5 is positioned on the bearing surface 11, the optical device 5 can also be kept in a horizontal placing state, and the position of the optical emission TO53 can be more conveniently adjusted when the optical device 5 is coupled, so that the light beam emitted by the optical emission TO53 can be accurately emitted into the optical fiber connected with the optical fiber adapter 52, and the coupling efficiency and success rate of the optical device 5 can be ensured.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An optical device positioning jig for positioning an optical device, the optical device positioning jig comprising:
the positioning seat is provided with a bearing surface, and a fixing plate positioned on one side of the bearing surface is convexly arranged on the positioning seat;
the side clamping plate is detachably connected to the positioning seat and arranged opposite to the fixing plate, the side clamping plate, the bearing surface and the fixing plate are enclosed to form a bearing groove, and a positioning block is convexly arranged on one side, facing the fixing plate, of the side clamping plate;
when the optical device is limited in the bearing groove, the side clamping plate is matched with the fixing plate to clamp the optical device, and the positioning block is abutted and limited on one side of the optical device, which is far away from the bearing surface, so that the optical device is attached to the bearing surface.
2. The optical device positioning jig of claim 1, wherein the positioning block comprises a clamping portion protruding from the side clamping plate and an abutting portion protruding from the clamping portion toward the fixing plate, the clamping portion and the abutting portion being disposed at an included angle;
when the optical device is limited in the bearing groove, the side clamping plate and the clamping part are matched with the fixed plate to clamp the optical device, and the abutting part is abutted and limited on one side of the optical device, which is far away from the bearing surface.
3. The optical device positioning jig according to claim 2, wherein the abutting portion has an abutting surface inclined toward the clamping portion, an angle formed by the abutting surface and the clamping portion is α, and 90 ° < α ≦ 180 °.
4. The optical device positioning jig according to any one of claims 1 to 3, further comprising a button post, wherein the side plate is provided with a through hole, and the button post passes through the through hole and is screwed with the positioning seat;
the button post can drive the side clamping plate to move close to or far away from the positioning seat, so that the side clamping plate and the fixing plate are matched to clamp the optical device.
5. The optical device positioning fixture of claim 4, wherein the button post comprises a push rod and a connecting rod which are connected, a limit step is formed at the joint of the push rod and the connecting rod, one end of the connecting rod penetrates through the through hole to be in threaded connection with the positioning seat, and the side clamping plate is limited at the limit step.
6. The optical device positioning jig of claim 5, further comprising an elastic member sleeved on the connection bar;
the elastic part is limited between the side clamping plate and the positioning seat, and when the side clamping plate and the fixing plate are matched to clamp the optical device, the elastic part is in a compressed state.
7. The optical device positioning fixture of claim 6, wherein a limiting hole is further formed on one side of the positioning seat facing the side clamping plate;
the limiting hole comprises an inner hole and an outer hole which are communicated, and a limiting part is arranged on the side wall of the outer hole;
the connecting rod passes behind the spacing portion threaded connection in the lateral wall of hole, the elastic component is spacing in the side splint with between the spacing portion.
8. The optical device positioning jig of claim 4, wherein the side clamping plate is further provided with at least one guide hole, and the guide hole is spaced from the through hole;
one side of the positioning seat facing the side clamping plate is provided with a guide post corresponding to the guide hole, and at least part of the guide post can penetrate through the guide hole in a sliding mode.
9. The optical device positioning fixture of any one of claims 1 to 3, wherein the positioning seat is further provided with a fixture block, and the fixture block, the side clamping plate, the bearing surface and the fixing plate enclose to form the bearing groove;
the optical device comprises a square tube and an optical fiber adapter arranged at one end of the square tube, one side of the fixture block, which is back to the positioning seat, is concavely provided with an arc surface, and the arc surface is matched with the outer peripheral surface of the optical fiber adapter;
the square tube is limited in the bearing groove, and the optical fiber adapter is abutted to the cambered surface.
10. An optical device positioning apparatus, comprising:
the optical device positioning fixture of any one of claims 1 to 9, wherein a side of the positioning seat away from the bearing surface is provided with a base pillar; and
and one end of the base column, which is far away from the positioning seat, is connected to the positioning table, and the axial lead of the base column is vertical to the plane of the bearing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428568.1U CN209919706U (en) | 2019-03-29 | 2019-03-29 | Optical device positioning fixture and optical device positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428568.1U CN209919706U (en) | 2019-03-29 | 2019-03-29 | Optical device positioning fixture and optical device positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209919706U true CN209919706U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920428568.1U Active CN209919706U (en) | 2019-03-29 | 2019-03-29 | Optical device positioning fixture and optical device positioning device |
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| Country | Link |
|---|---|
| CN (1) | CN209919706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230337A (en) * | 2020-02-21 | 2020-06-05 | 中南大学 | Four-piece type optical device coupling welding clamp based on power and light spot detection |
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2019
- 2019-03-29 CN CN201920428568.1U patent/CN209919706U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230337A (en) * | 2020-02-21 | 2020-06-05 | 中南大学 | Four-piece type optical device coupling welding clamp based on power and light spot detection |
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