CN214793736U - Detection tool of ultra-short focus projector - Google Patents
Detection tool of ultra-short focus projector Download PDFInfo
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- CN214793736U CN214793736U CN202120080175.3U CN202120080175U CN214793736U CN 214793736 U CN214793736 U CN 214793736U CN 202120080175 U CN202120080175 U CN 202120080175U CN 214793736 U CN214793736 U CN 214793736U
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Abstract
The utility model discloses a detection tool of ultrashort burnt projecting apparatus, it includes: the base comprises a bottom plate and a supporting platform, the bottom plate is provided with a placing plane and a bearing plane which are oppositely arranged, the supporting platform is arranged on the bearing plane, and the surface of the supporting platform, which is back to the bottom plate, can be used for fixedly placing the optical machine of the ultra-short focal head; the sliding seat is movably arranged on the bearing plane and can slide relative to the bearing plane along the direction close to or far from the supporting platform, and the surface of the sliding seat, which is back to the bearing plane, is provided with a positioning part so as to limit the focusing outer cylinder of the ultra-short focus projector; the elastic limiting assembly is positioned on one side, close to the supporting table, of the sliding seat and is used for limiting one side, close to the supporting table, of the sliding seat; and the fine adjustment structure is arranged on one side, far away from the support table, of the sliding seat and is used for driving the sliding seat to slide and limiting one side, far away from the support table, of the sliding seat. Thus, the detection precision of the focal length of the ultra-short focus projector is convenient to improve.
Description
Technical Field
The utility model relates to a technical field of the check out test set of projecting apparatus, in particular to detection tool of ultrashort burnt projecting apparatus.
Background
With the development of science and technology, people often use projection equipment during meetings, in particular to a free-form surface ultra-short-focus projector, and after an optical machine, an adjusting outer cylinder, a focusing inner cylinder, a reflecting lens cone and other optical elements of the ultra-short-focus projector are assembled, the ultra-short-focus projector needs to be subjected to focal length detection.
At present, when detecting a focus, an ultra-short focus projector manually shifts a focusing inner cylinder or drives the focusing inner cylinder through a motor so as to enable the focusing inner cylinder to move forward or backward relative to focusing contents, but the focusing inner cylinder is driven by hands or the motor to move, so that the relative movement distance between the focusing inner cylinder and the focusing outer cylinder is difficult to guarantee, and further the detection precision is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detection tool of ultrashort burnt projecting apparatus aims at improving the detection precision of the focus of ultrashort burnt projecting apparatus.
In order to achieve the above object, the utility model provides a detection tool of ultrashort burnt projecting apparatus, it includes:
the base comprises a bottom plate and a supporting platform, the bottom plate is provided with a placing plane and a bearing plane which are oppositely arranged, the supporting platform is arranged on the bearing plane, and the surface of the supporting platform, which is back to the bottom plate, can be fixedly placed by an optical machine with an ultra-short focal head;
the sliding seat is movably arranged on the bearing plane and can slide relative to the bearing plane along the direction close to or far away from the supporting platform, and a positioning part is arranged on the surface of the sliding seat, which is back to the bearing plane, so as to limit the focusing inner cylinder of the ultra-short focus projector;
the elastic limiting assembly is arranged on the bearing plane and is positioned on one side, close to the supporting table, of the sliding seat, and the elastic limiting assembly is used for limiting one side, close to the supporting table, of the sliding seat;
the fine adjustment structure is arranged on the bearing plane and is positioned on one side, far away from the supporting platform, of the sliding seat, and the fine adjustment structure is used for driving the sliding seat to slide relative to the bearing plane and limiting one side, far away from the supporting platform, of the sliding seat.
The utility model discloses an in one embodiment, fine setting structure includes fixing base and movable rod, the fixing base is located on the bearing plane, it is along being close to or keeping away from run through in the direction of sliding seat and be provided with the screw hole, the movable rod be provided with screw rod hole threaded connection's screw thread section, the one end of movable rod is passed the screw hole with the sliding seat butt, the other end of movable rod can supply the effort of exerting.
In an embodiment of the present invention, the thread pitch of the thread segment is 0.1-0.2 mm.
In an embodiment of the present invention, one end of the movable rod adjacent to the sliding seat is rotatably connected to the sliding seat.
The utility model discloses an in the embodiment, the spacing subassembly of elasticity includes fixed station, two springs and two ejector pins, the fixed station is in the face of the concave two storage tanks that are equipped with parallel setting in surface of sliding seat, two movable mounting is in the storage tank that corresponds respectively for the one end of ejector pin, two the spring is installed respectively in corresponding the storage tank, with elastic support the ejector pin.
In an embodiment of the present invention, the supporting platform includes two supporting plates disposed at intervals and a connecting plate connecting end portions of the two supporting plates away from the bottom plate; the elastic limiting assembly is arranged below the connecting plate and between the two supporting plates.
In an embodiment of the present invention, the bearing plane is provided with two slide rails, and the two slide rails are arranged in parallel along a direction in which the sliding seat approaches or leaves the supporting platform; the surface of the sliding seat facing the bearing plane is concavely provided with two sliding grooves, and the two sliding grooves are respectively connected with corresponding sliding rails in a sliding manner.
The utility model discloses an in one embodiment, the sliding seat is back to the concave groove of dodging that is equipped with in surface of bottom plate, dodge the groove and have the sliding seat is close to or keeps away from be two first cell walls that the interval set up and with two in the direction of brace table two second cell walls that first cell wall is connected, two first cell wall all runs through the setting, two the second cell wall all is concave to be equipped with a plurality of constant head tanks, and is a plurality of the constant head tank all runs through the sliding seat is back to the surface of bottom plate sets up, in order to form location portion.
In an embodiment of the present invention, the sliding seat is disposed in a concave portion of a side portion of the supporting platform, so as to form an avoiding concave portion for avoiding the reflecting lens barrel of the ultra-short focus projector.
In an embodiment of the present invention, the supporting platform faces back to the protruding multiple reference columns, multiple, which are disposed on the surface of the bottom plate, the reference columns are all used for fixing the optical machine with the ultra-short focus projector.
The utility model discloses technical scheme applies the effort to the sliding seat through the fine setting structure, move towards the direction that is close to the spacing subassembly of elasticity with the drive sliding seat, the spacing subassembly of elasticity receives the extrusion and produces elastic deformation this moment, a reverse effort is applyed for the sliding seat simultaneously to the spacing subassembly of elasticity, thereby fix a position the sliding seat, so adjust repeatedly, can detect out the focus of ultrashort burnt projecting apparatus, whole testing process is simple, and is swift, the distance that the sliding seat minimum was marchd every time can be guaranteed to the fine setting structure simultaneously, and then be favorable to improving the detection precision of the focus of ultrashort burnt projecting apparatus.
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 diagram of an embodiment of a detection fixture of an ultra-short focus projector according to the present invention;
FIG. 2 is a schematic structural diagram of the ultra-short-focus projector of FIG. 1;
FIG. 3 is a schematic view of the base of FIG. 1;
FIG. 4 is a schematic view of the structure of the sliding seat;
FIG. 5 is a schematic structural diagram of the trimming structure of FIG. 1;
FIG. 6 is a schematic view of the resilient limiting assembly of FIG. 1;
figure 7 is a cross-sectional view of the resilient limiting assembly of figure 6.
The reference numbers illustrate:
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 addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating 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, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
The utility model provides a detection tool of ultrashort burnt projecting apparatus, it can realize accurate focusing when ultrashort burnt projecting apparatus focuses the calibration to be convenient for the detection calibration of focusing of ultrashort burnt projecting apparatus, and then be favorable to improving the detection calibration precision of ultrashort burnt projecting apparatus.
Referring to fig. 1 and 2, the ultra-short focus projector fixture includes a base 100, a sliding seat 200, an elastic limiting component 300, and a fine adjustment structure 400.
Referring to fig. 3, the base 100 includes a bottom plate 110, the bottom plate 110 is disposed in a plate shape and has a placing plane 111 and a bearing plane 112 disposed opposite to each other, the placing plane 111 can be directly contacted with a bearing structure (such as a table, an inspection platform, etc.), the bearing plane 112 is formed for the sliding seat 200, the elastic limiting component 300, and the fine adjustment structure 400 to be installed, which may be formed by a part of the bottom plate 110 opposite to the placing plane 111, or by the whole bottom plate 110 opposite to the placing plane 111, and is not limited herein.
The bottom plate 110 further includes a supporting platform 120, the supporting platform 120 is disposed on the supporting plane 112 of the bottom plate 110, the supporting platform 120 can be integrally formed with the bottom plate 110, and the supporting platform 120 can also be fixed on the supporting plane 112 by screws, fasteners, adhesives, and other methods.
The shape of the support stage 120 may be various, and may be a square, a cylinder, a polygon prism, or other shapes, which are not limited herein.
The surface of the supporting platform 120 opposite to the bottom plate 110 can be used for the optical engine 2100 and the focusing outer cylinder 2200 of the ultra-short-focus projector, that is, the shape of the surface of the supporting platform 120 opposite to the bottom plate 110 is set according to the optical engine 2100 and the projector lens of the ultra-short-focus projector, so as to ensure that the optical engine 2100 and the projector lens of the ultra-short-focus projector can be limited.
Referring to fig. 4, the sliding seat 200 is movably mounted on the bearing plane 112, and can move relative to the bearing plane 112 along a direction approaching to or departing from the supporting table 120, that is, the sliding seat 200 and the bearing plane 112 can be slidably connected through a sliding rail and a sliding block, the sliding seat 200 and the bearing plane 112 can also be movably connected through a roller and the bearing plane 112, and the sliding seat 200 and the bearing plane 112 can also be movably connected in other manners, which are not listed here.
The surface of the sliding seat 200 opposite to the bearing plane 112 is provided with a positioning portion, which may be a groove, a protrusion, or other structures having a positioning function, and the positioning portion is mainly used for limiting the focusing inner 2300 of the ultra-short focus projector.
The elastic limiting component 300 is disposed on the bearing plane 112 and located at a side of the sliding seat 200 close to the supporting platform 120, and the elastic limiting component 300 is used for limiting a side of the sliding seat 200 close to the supporting platform 120, that is, when the elastic limiting component 300 contacts with the sliding seat 200, an acting force can be applied to the sliding seat 200 to drive the sliding seat 200 to move in a direction away from the supporting platform 120.
The elastic limiting assembly 300 may be formed of only an elastic member, a force applying rod, or other structural members capable of generating elastic deformation, and is not limited in any way.
The fine adjustment structure 400 is installed on the bearing plane 112 and located on a side of the sliding seat 200 away from the supporting platform 120, and the fine adjustment structure 400 is used for driving the sliding seat 200 to slide relative to the bearing plane 112 and limiting a side of the sliding seat 200 away from the supporting platform 120.
The fine adjustment structure 400 may be an assembly formed by a screw and a bolt, an assembly formed by a hydraulic pump and the ram 330, and an assembly formed by a cylinder and the ram 330, and is not particularly limited herein.
When the ultra-short focus projector is detected, the ultra-short focus projector is placed on the detection jig, the optical machine 2100 of the ultra-short focus projector is fixed on the surface of the support table 120 opposite to the bottom plate 110, the focusing outer cylinder 2200 of the ultra-short focus projector is fixedly connected with the optical machine 2100, the focusing outer cylinder 2200 of the ultra-short focus projector is movably connected with the focusing outer cylinder 2300, the focusing outer cylinder 2300 of the ultra-short focus projector is matched with the positioning part on the sliding seat 200 and fixed on the sliding seat 200, and the reflecting lens barrel 2400 of the ultra-short focus projector is fixedly connected with the focusing outer cylinder 2200 of the ultra-short focus projector and fixed on the sliding seat 200 together with the focusing outer cylinder 2200 of the ultra-short focus projector.
In some embodiments of the present invention, referring to fig. 1, fig. 2 and fig. 5, the fine adjustment structure 400 includes a fixing base 410 and a movable rod 420, the fixing base 410 is disposed on the bearing plane 112, and can be fixed on the bearing plane 112 by screws, rivets, bonding, etc., or can be integrally formed with the bottom plate 110, which is not limited herein. The fixing base 410 is provided with a screw hole 411 extending therethrough in a direction approaching or departing from the sliding base 200. The movable rod 420 is provided with a threaded section (not shown) engaged with the threaded hole 411, one end of the movable rod 420 passes through the threaded hole 411 to abut against the sliding seat 200, and the other end of the movable rod 420 can apply an acting force.
When adjusting the position of the sliding seat 200, an inspector can apply an acting force to one end of the movable rod 420 far from the sliding seat 200 to drive the movable rod 420 to rotate relative to the fixed seat 410, and then can drive the sliding seat 200 to move towards the direction close to the supporting platform 120 or can avoid the sliding seat 200 so that the sliding seat 200 can move towards the direction close to the fixed seat 410.
Further, the thread pitch of the thread section on the movable rod 420 is 0.1-0.2mm, that is, the thread pitch of the thread section on the movable rod 420 may be 0.1mm, 0.12mm, 0.14mm, 0.16mm, 0.18mm, 0.2mm, etc., which should not be taken as an example. Taking the pitch of the thread section on the movable rod 420 as 0.15mm as an example for explanation, the pitch of the thread section on the movable rod 420 is 0.15mm, that is, the movable rod 420 rotates one turn, the movable rod 420 can advance 0.15mm in the direction close to or far from the sliding seat 200, that is, the sliding seat 200 can advance 0.15mm in the direction close to or far from the supporting table 120 along with the movement of the movable rod 420, so that the adjustment of the relative position of the focusing inner cylinder 2300 and the focusing outer cylinder 2200 of the ultra-short focus projector is ensured, and the detection precision can be further ensured.
Further, an end of the movable rod 420 adjacent to the sliding seat 200 may be rotatably connected to the sliding seat 200 through a bearing, an end of the movable rod 420 adjacent to the sliding seat 200 may be rotatably connected to the sliding seat 200 through a rotating shaft and bushing assembly, and an end of the movable rod 420 adjacent to the sliding seat 200 may be rotatably connected to the sliding seat 200 through other manners, which are not limited herein. In this way, the movable rod 420 can also drive the sliding seat 200 to slide toward the direction close to the fixed seat 410, so as to facilitate adjusting the position of the sliding seat 200.
In some embodiments of the present invention, referring to fig. 1, 2, 6 and 7, the elastic limiting assembly 300 includes a fixing base 310, two springs 320 and two push rods 330.
The fixed platform 310 is installed on the bearing plane 112 and located on one side of the sliding seat 200 adjacent to the supporting platform 120, two accommodating grooves 311 are recessed from the surface of the fixed platform 310 facing the sliding seat 200, a connecting line of the two accommodating grooves 311 and the bearing plane 112 may form an included angle greater than or equal to 0 ° and less than 90 °, and preferably, a connecting line of the two accommodating grooves 311 and the bearing plane 112 form an included angle of 0 °.
The outer diameter of the push rod 330 is slightly smaller than the inner diameter of the receiving groove 311, and one end of the push rod 330 extends into the receiving groove 311 and is movably connected with the receiving groove 311, that is, the push rod 330 can slide along the receiving groove 311.
The spring 320 is installed in the receiving groove 311, one end of the spring 320 is fixedly connected to the wall or bottom of the receiving groove 311, and the other end of the spring acts on the push rod 330, preferably, one end of the spring 320 abuts against the bottom of the receiving groove 311, and the other end of the spring 320 abuts against the end of the push rod 330 extending into the receiving groove 311.
When the push rod 330 abuts against the sliding seat 200 and is continuously extruded by the sliding seat 200, the push rod 330 transmits the acting force to the spring 320, the spring 320 is extruded to generate compression deformation, and the push rod 330 moves towards the accommodating groove 311 at the moment; when the push rod 330 moves in the direction away from the fixed station 310 at the sliding seat 200, the push rod 330 is not affected by external force at the moment of separating from the sliding seat 200, and the spring 320 can recover elastic deformation at this moment, and can push the push rod 330 to move in the direction close to the sliding rod and contact with the sliding seat 200, thereby realizing the limit of the sliding seat 200.
Considering that the elastic limiting member 300 has a certain volume, if it is disposed between the sliding seat 200 and the supporting platform 120, the distance between the sliding seat 200 and the supporting platform 120 is too large, and the detection of the ultra-short projector is affected, in view of fig. 1, the supporting platform 120 further includes two supporting plates 121 disposed at intervals and a connecting plate 122 connecting the ends of the two supporting plates 121 far away from the bottom plate 110, and the elastic limiting member 300 is disposed below the connecting plate 122 and between the two supporting plates 121. So set up, on the one hand can guarantee that the interval between sliding seat 200 and the brace table 120 guarantees at the default setting within range, on the other hand can also reduce the volume of whole ultra-short burnt projecting apparatus's detection tool 1000.
In some embodiments of the present invention, referring to fig. 3 and 4, the bearing plane 112 is provided with two sliding rails 112a, and the two sliding rails 112a are arranged in parallel along a direction in which the sliding seat 200 is close to or far away from the supporting table 120; the surface of the sliding seat 200 facing the bearing plane 112 is concavely provided with two sliding grooves 210, and the two sliding grooves 210 are respectively connected with the corresponding sliding rails 112a in a sliding manner. With such an arrangement, the sliding direction of the sliding seat 200 relative to the bearing plane 112 is ensured, and thus the focusing outer cylinder 2200 of the ultra-short focus projector can move smoothly relative to the focusing inner cylinder 2300 of the ultra-short focus projector.
Further, the width of the slot opening of the sliding slot 210 is smaller than the width of the slot bottom of the sliding slot 210, i.e. the sliding slot 210 is a dovetail groove, and the shape of the sliding rail 112a is matched with the shape of the sliding slot 210. With such an arrangement, the sliding seat 200 can be limited on the bearing plane 112, that is, the sliding seat 200 can only slide on the bearing plane 112, so as to further ensure the detection accuracy of the detection jig 1000 of the ultra-short focus projector.
In some embodiments of the present invention, referring to fig. 1, fig. 2 and fig. 4, the surface of the sliding seat 200 facing away from the top plate is concavely provided with an avoiding groove 220, the avoiding groove 220 has two first groove walls disposed at intervals in the direction that the sliding seat 200 is close to or away from the supporting table 120 and a second groove wall 221 connecting the two first groove walls, the two first groove walls are all set through, the two second groove walls 221 are all concavely provided with a plurality of positioning grooves 222, and the plurality of positioning grooves 222 all run through the surface of the sliding seat 200 facing away from the bottom plate 110 to form a positioning portion.
The plurality of positioning grooves 222 are respectively matched with the radiating fins at corresponding positions on the focusing inner cylinder 2300 of the ultra-short focus projector, so that the radiating fins at corresponding positions on the focusing inner cylinder 2300 of the ultra-short focus projector are fully utilized, the extra positioning structure arranged on the focusing inner cylinder 2300 of the ultra-short focus projector is avoided, and the structure of the focusing inner cylinder 2300 of the ultra-short focus projector is simplified.
In some embodiments of the present invention, referring to fig. 1, fig. 2 and fig. 4, a side portion of the sliding seat 200 away from the supporting table 120 is recessed to form an avoiding concave portion 230 for avoiding the reflective lens barrel 2400 of the ultra-short focus projector, the avoiding concave portion 230 may be disposed through the sliding seat 200, the avoiding concave portion 230 may not be disposed through the sliding seat 200, a recessed depth of the avoiding concave portion may be set according to an actual situation, and no specific limitation is made herein.
The arrangement of the avoiding concave portion 230 on the sliding seat 200 avoids the problem that the reflection lens barrel 2400 of the ultra-short-focus projector cannot be placed well to influence the focal length detection of the ultra-short-focus projector, and is further beneficial to improving the detection precision of the detection jig 1000 of the ultra-short-focus projector.
In some embodiments of the present invention, please refer to fig. 2 and fig. 3, a plurality of positioning columns 1221 are protruded from the surface of the supporting platform 120 facing away from the bottom plate 110, the arrangement of the positioning columns 1221 is consistent with the arrangement of the locking holes on the optical machine 2100 of the ultra-short-focus projector, and the optical machine 2100 of the ultra-short-focus projector can be locked to the surface of the supporting platform 120 facing away from the bottom plate 110 through the cooperation of the screws and the positioning columns 1221. With the arrangement, the optical machine 2100 of the ultra-short focus projector is prevented from generating displacement during detection, and further the problem of influencing the detection precision is avoided.
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. The utility model provides a detection tool of ultra-short burnt projecting apparatus which characterized in that includes:
the base comprises a bottom plate and a supporting platform, the bottom plate is provided with a placing plane and a bearing plane which are oppositely arranged, the supporting platform is arranged on the bearing plane, and the surface of the supporting platform, which is back to the bottom plate, can be fixedly placed by an optical machine with an ultra-short focal head;
the sliding seat is movably arranged on the bearing plane and can slide relative to the bearing plane along the direction close to or far away from the supporting platform, and a positioning part is arranged on the surface of the sliding seat, which is back to the bearing plane, so as to limit the focusing inner cylinder of the ultra-short focus projector;
the elastic limiting assembly is arranged on the bearing plane and is positioned on one side, close to the supporting table, of the sliding seat, and the elastic limiting assembly is used for limiting one side, close to the supporting table, of the sliding seat;
the fine adjustment structure is arranged on the bearing plane and is positioned on one side, far away from the supporting platform, of the sliding seat, and the fine adjustment structure is used for driving the sliding seat to slide relative to the bearing plane and limiting one side, far away from the supporting platform, of the sliding seat.
2. The testing fixture of ultra-short focus projector as claimed in claim 1, wherein the fine adjustment structure comprises a fixing base and a movable rod, the fixing base is disposed on the bearing plane and has a threaded hole extending therethrough in a direction approaching or moving away from the sliding seat, the movable rod has a threaded section threadedly connected to the threaded hole, one end of the movable rod passes through the threaded hole and abuts against the sliding seat, and the other end of the movable rod can apply an acting force.
3. The inspection tool for the ultra-short focus projector as claimed in claim 2, wherein the thread pitch of the thread segment is 0.1-0.2 mm.
4. The inspection tool for ultra-short focus projector as claimed in claim 2, wherein an end of the movable rod adjacent to the sliding seat is rotatably connected to the sliding seat.
5. The apparatus as claimed in claim 1, wherein the elastic limiting member includes a fixing base, two springs and two rods, the fixing base has two parallel receiving slots recessed on a surface thereof facing the sliding base, one end of each rod is movably mounted in the corresponding receiving slot, and the springs are mounted in the corresponding receiving slots to elastically support the rods.
6. The apparatus of claim 1, wherein the support platform comprises two support plates spaced apart from each other and a connecting plate connecting ends of the two support plates away from the bottom plate; the elastic limiting assembly is arranged below the connecting plate and between the two supporting plates.
7. The detection fixture of an ultra-short focus projector as claimed in claim 1, wherein the bearing plane is provided with two slide rails, and the two slide rails are arranged in parallel along a direction of the sliding seat approaching to or departing from the supporting platform;
the surface of the sliding seat facing the bearing plane is concavely provided with two sliding grooves, and the two sliding grooves are respectively connected with corresponding sliding rails in a sliding manner.
8. The apparatus of claim 1, wherein the surface of the sliding seat facing away from the bottom plate is recessed with an avoiding groove, the avoiding groove has two first groove walls spaced apart from each other in a direction in which the sliding seat is close to or away from the supporting platform, and two second groove walls connecting the two first groove walls, the two first groove walls are disposed through, the two second groove walls are recessed with a plurality of positioning grooves, and the plurality of positioning grooves are disposed through the surface of the sliding seat facing away from the bottom plate to form the positioning portion.
9. The inspection tool for ultra-short focus projector according to claim 1, wherein a side portion of the sliding seat away from the supporting base is recessed to form an avoiding recess for avoiding a reflecting lens barrel of the ultra-short focus projector.
10. The testing fixture of the ultra-short focus projector as claimed in claim 1, wherein a plurality of positioning posts are protruded from a surface of the supporting platform opposite to the bottom plate, and the positioning posts are all used for being fixedly connected to an optical engine of the ultra-short focus projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080175.3U CN214793736U (en) | 2021-01-12 | 2021-01-12 | Detection tool of ultra-short focus projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120080175.3U CN214793736U (en) | 2021-01-12 | 2021-01-12 | Detection tool of ultra-short focus projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214793736U true CN214793736U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120080175.3U Active CN214793736U (en) | 2021-01-12 | 2021-01-12 | Detection tool of ultra-short focus projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214793736U (en) |
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2021
- 2021-01-12 CN CN202120080175.3U patent/CN214793736U/en active Active
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