CN211664057U - Supporting mechanism and feeding equipment - Google Patents

Supporting mechanism and feeding equipment Download PDF

Info

Publication number
CN211664057U
CN211664057U CN201922490866.6U CN201922490866U CN211664057U CN 211664057 U CN211664057 U CN 211664057U CN 201922490866 U CN201922490866 U CN 201922490866U CN 211664057 U CN211664057 U CN 211664057U
Authority
CN
China
Prior art keywords
follower
sliding block
groove
support mechanism
position adjusting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922490866.6U
Other languages
Chinese (zh)
Inventor
肖永利
田玉彪
付国杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Topstar Technology Co Ltd
Original Assignee
Guangdong Topstar Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Topstar Technology Co Ltd filed Critical Guangdong Topstar Technology Co Ltd
Priority to CN201922490866.6U priority Critical patent/CN211664057U/en
Application granted granted Critical
Publication of CN211664057U publication Critical patent/CN211664057U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transmission Devices (AREA)

Abstract

The utility model discloses a supporting mechanism and feeding equipment, wherein the supporting mechanism comprises a mounting seat, a position adjusting component and a follower, and the mounting seat is provided with a movable groove; the position adjusting component is movably connected in the movable groove; the follower is rotatably connected with the position adjusting assembly, and one side of the follower, which is back to the position adjusting assembly, is used for abutting against a turntable of the divider; when the position adjusting component slides in the movable groove, the position adjusting component drives the follower to lift. The utility model discloses technical scheme can realize adjusting the height of supporting mechanism in vertical direction for supporting mechanism can support the decollator always, reduces the carousel of decollator and at the ascending atress of vertical direction, thereby promotes the life and the performance of decollator.

Description

Supporting mechanism and feeding equipment
Technical Field
The utility model relates to a feeding equipment technical field, in particular to supporting mechanism and feeding equipment.
Background
When the turntable of the divider is used, the edge of the turntable is stressed in the vertical direction greatly, so that the service life of the divider is shortened. In order to reduce the stress of the turntable in the vertical direction, a supporting mechanism is generally adopted to support and follow the turntable, but after the turntable is used for a long time, the turntable is worn and forms a gap with the supporting mechanism, so that the supporting mechanism cannot support the turntable.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a supporting mechanism and feeding equipment aims at realizing adjusting the height of supporting mechanism in vertical direction for supporting mechanism can support the decollator always, reduces the carousel of decollator atress on the vertical direction, thereby promotes the life and the performance of decollator.
In order to achieve the above object, the utility model provides a supporting mechanism, supporting mechanism includes:
the mounting seat is provided with a movable groove;
the position adjusting assembly is movably connected in the movable groove; and
the follower is rotatably connected with the position adjusting assembly, and one side of the follower, which is back to the position adjusting assembly, is used for abutting against a turntable of the divider;
the position adjusting component slides in the movable groove, so that the position adjusting component drives the follower to lift.
In one embodiment, the position adjustment assembly comprises:
the horizontal sliding block is movably arranged in the movable groove in a penetrating mode and is provided with a first inclined plane; and
one end of the vertical sliding block is rotatably connected with the follower, and the other end of the vertical sliding block movably penetrates through the movable groove; a second inclined plane is arranged at one end of the vertical sliding block, which is far away from the follower, and the second inclined plane is movably abutted against the first inclined plane;
the horizontal sliding block slides in the movable groove, so that the horizontal sliding block drives the vertical sliding block to drive the follower to lift through the relative sliding of the first inclined plane and the second inclined plane.
In an embodiment, an included angle between the second inclined surface and a horizontal plane is twice an included angle between the first inclined surface and the horizontal plane.
In one embodiment, the included angle between the second inclined plane and the horizontal plane is 40-60 degrees;
and/or the included angle between the first inclined plane and the horizontal plane is 20-30 degrees.
In an embodiment, the position adjusting assembly further comprises an adjusting screw connected with one end of the horizontal sliding block, the mounting base is provided with a through hole communicated with the movable groove, the adjusting screw is in threaded connection with the hole wall of the through hole, and the adjusting screw rotates to adjust the horizontal sliding block to horizontally move in the movable groove.
In one embodiment, the mounting seat comprises an upper mounting block and a lower mounting block detachably connected with the upper mounting block, the upper mounting block is provided with a first groove, the lower mounting block is provided with a second groove, and the first groove and the second groove are communicated to form the movable groove; the horizontal sliding block is movably arranged in the second groove in a penetrating mode, and the vertical sliding block is movably arranged in the first groove in a penetrating mode.
In one embodiment, the lower mounting block includes a body and a cover plate, the cover plate is detachably connected to the body, and the cover plate and the body enclose to form the second groove.
In an embodiment, the body is provided with a positioning groove communicated with the second groove, one side of the upper mounting block facing the lower mounting block is convexly provided with a positioning bulge, and the positioning bulge is clamped in the positioning groove.
In one embodiment, the follower comprises a bolt, a roller and a roller, wherein one end of the bolt is connected with the roller, and one end of the roller far away from the bolt is rotatably arranged on the roller; the roller is located on one side of the vertical sliding block, and the nut of the bolt is located on one side, back to the roller, of the vertical sliding block.
The utility model also provides a feeding equipment, feeding equipment includes as above supporting mechanism and decollator, the decollator is equipped with the carousel, supporting mechanism's follower with the carousel is rotationally the butt, just the carousel is located the follower dorsad supporting mechanism's position control subassembly one side.
The technical proposal of the utility model is that the mounting seat is provided with a movable groove; the position adjusting component is movably connected in the movable groove; the follower is rotatably connected with the position adjusting assembly, and one side of the follower, which is back to the position adjusting assembly, is used for rotatably abutting against a rotating disc of the divider; when the follower need with the carousel butt of decollator, the user can drive the position control subassembly and slide in the movable groove for the position control subassembly can drive the follower and go up and down in vertical direction, and then changes the height at vertical direction of the follower that rotationally is connected with the position control subassembly, thereby lets the follower can with the inseparable butt of carousel of decollator. After the adjustment, when the turntable is driven by the splitter to rotate, the turntable can support the turntable through the follower to reduce the stress of the turntable in the vertical direction, and the follower rotates along with the rotation of the turntable, so that the turntable cannot generate friction with the follower while being supported by the follower, and the service performance of the splitter is 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 an embodiment of the supporting mechanism of the present invention;
fig. 2 is an exploded view of the supporting mechanism of the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
10 Mounting seat 21 Horizontal sliding block
10a Movable groove 21a First inclined plane
101a First groove 22 Vertical slide block
102a Second groove 22a Second inclined plane
11 Upper mounting block 23 Adjusting screw
110 Body 30 Follower device
111 Cover plate 31 Bolt
12 Lower mounting block 32 Roller wheel
20 Position adjusting assembly 33 Roller pin
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, 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 a supporting mechanism.
In the embodiment of the present invention, referring to fig. 1 and 2, the supporting mechanism includes a mounting base 10, a position adjusting assembly 20, and a follower 30, the mounting base 10 is provided with a movable groove 10 a; the position adjusting assembly 20 is movably connected in the movable groove 10 a; the follower 30 is rotatably connected with the position adjusting assembly 20, and one side of the follower 30, which is back to the position adjusting assembly 20, is used for abutting against a turntable of a divider; the position adjusting assembly 20 slides in the movable groove 10a, so that the position adjusting assembly 20 drives the follower 30 to ascend and descend.
In this embodiment, the follower 30 is rotatably connected to the position adjusting assembly 20 by providing a movable groove 10a in the mounting base 10 and movably connecting the position adjusting assembly 20 in the movable groove 10 a; when the follower 30 needs to abut against the turntable of the divider, the user can drive the position adjusting assembly 20 to slide in the movable groove 10a, so that the position adjusting assembly 20 can drive the follower 30 to lift in the vertical direction, and further the height of the follower 30 rotatably connected with the position adjusting assembly 20 in the vertical direction is changed, so that the follower 30 can abut against the turntable of the divider tightly and support the turntable. After the adjustment, when the turntable is driven by the splitter to rotate, the turntable can support itself through the follower 30 to reduce the stress of the turntable in the vertical direction, and the follower 30 rotates along with the rotation of the turntable, so that the turntable can not generate friction with the follower 30 while being supported by the follower 30, and the service performance of the splitter is improved.
The technical proposal of the utility model is that a movable groove 10a is arranged on the mounting seat 10; the position adjusting assembly 20 is movably connected in the movable groove 10 a; the follower 30 is rotatably connected with the position adjusting assembly 20, and one side of the follower 30, which is back to the position adjusting assembly 20, is used for rotatably abutting against a turntable of the divider; when the follower 30 needs to abut against the turntable of the divider, the user can drive the position adjusting assembly 20 to slide in the movable groove 10a, so that the position adjusting assembly 20 can drive the follower 30 to lift in the vertical direction, and then the height of the follower 30 rotatably connected with the position adjusting assembly 20 in the vertical direction is changed, and the follower 30 can abut against the turntable of the divider tightly. After the adjustment, when the turntable is driven by the splitter to rotate, the turntable can support itself through the follower 30 to reduce the stress of the turntable in the vertical direction, and the follower 30 rotates along with the rotation of the turntable, so that the turntable can not generate friction with the follower while being supported by the follower 30, and the service performance of the splitter is improved.
In an embodiment, referring to fig. 1 and 2, the position adjusting assembly 20 includes a horizontal slider 21 and a vertical slider 22, the horizontal slider 21 is movably disposed in the movable groove 10a, and the horizontal slider 21 is provided with a first inclined surface 21 a; one end of the vertical sliding block 22 is rotatably connected with the follower 30, and the other end thereof movably penetrates through the movable groove 10 a; a second inclined surface 22a is arranged at one end of the vertical slide block 22 far away from the follower 30, and the second inclined surface 22a is movably abutted with the first inclined surface 21 a; the horizontal sliding block 21 slides in the movable groove 10a, so that the horizontal sliding block 21 drives the vertical sliding block 22 to drive the follower 30 to lift through the relative sliding of the first inclined surface 21a and the second inclined surface 22 a.
In this embodiment, when the height of the follower 30 in the vertical direction needs to be adjusted, a user only needs to drive the horizontal slider 21 to horizontally move in the movable groove 10a, the horizontal slider 21 slides relatively through the first inclined surface 21a of the horizontal slider 21 and the second inclined surface 22a of the vertical slider 22, and then the vertical slider 22 can be driven to slide on the first inclined surface 21a and the height of the vertical slider 22 in the vertical direction can be changed, so that the height of the follower 30 rotatably connected with the vertical slider 22 in the vertical direction can be changed. It will be appreciated that the first inclined surface 21a and the second inclined surface 22a are inclined in the same direction, but at different degrees. Specifically, when the horizontal slider 21 moves horizontally in the direction out of the movable groove 10a, the second inclined surface 22a of the vertical slider 22 moves in the direction in which the first inclined surface 21a of the horizontal slider 21 inclines downward, so that the vertical slider 22 descends; when the horizontal slider 21 moves horizontally in the direction of the movable groove 10a, the second inclined surface 22a of the vertical slider 22 moves in the upward direction along the inclination of the first inclined surface 21a of the horizontal slider 21, and the vertical slider 22 is raised. Optionally, the follower 30 comprises a bolt 31, a roller 32 and a roller 33, wherein one end of the bolt 31 is connected with the roller 33, and one end of the roller 33 far away from the bolt 31 is rotatably arranged through the roller 32; the roller 32 is located on one side of the vertical slider 22, and the nut of the bolt 31 is located on one side of the vertical slider 22 opposite to the roller 32.
In one embodiment, referring to fig. 1 and 2, the angle between the second inclined surface 22a and the horizontal plane is twice the angle between the first inclined surface 21a and the horizontal plane. It can be understood that when the second inclined surface 22a of the vertical slider 22 slides along the first inclined surface 21a of the horizontal slider 21 by a distance of one unit, the vertical slider 22 can be raised at the first inclined surface 21a by a height of two units. Through the arrangement, the vertical sliding block 22 moves a smaller distance on the first inclined surface 21a of the horizontal sliding block 21, namely, the larger height of the vertical sliding block 22 in the vertical direction can be changed, so that the size of the whole position adjusting assembly 20 can be reduced, and the supporting mechanism is optimized.
In one embodiment, referring to fig. 1 and 2, the second inclined surface 22a forms an angle of 40 ° to 60 ° with the horizontal plane; and/or the included angle between the first inclined surface 21a and the horizontal plane is 20-30 degrees. It can be understood that, when the angle between the second inclined surface 22a and the horizontal plane is 40 °, the angle between the first inclined surface 21a and the horizontal plane is 30 °; when the angle between the second inclined surface 22a and the horizontal plane is 60 °, the angle between the first inclined surface 21a and the horizontal plane is 30 °.
In an embodiment, referring to fig. 1 and 2, the position adjusting assembly 20 further includes an adjusting screw 23 connected to one end of the horizontal sliding block 21, the mounting base 10 is provided with a through hole 10b communicated with the movable groove 10a, the adjusting screw 23 is in threaded connection with a hole wall of the through hole, and the adjusting screw 23 rotates to adjust the horizontal sliding block 21 to move horizontally in the movable groove 10 a.
In the embodiment, an adjusting screw 23 is connected with one end of the horizontal sliding block 21, a through hole 10b communicated with the movable groove 10a is arranged on the mounting seat 10, and the hole wall of the through hole 10b is provided with a thread, so that the adjusting screw 23 is connected to the through hole 10b in a threaded manner; when the position of the horizontal sliding block 21 in the movable groove 10a needs to be adjusted, the adjusting screw 23 can be screwed in or out, so that the horizontal sliding block 21 moves in the movable groove 10a along with the adjusting screw 23, therefore, a user does not need to stretch into the movable groove 10a to pull the horizontal sliding block 21 to complete adjustment, and the adjustment convenience of the position adjusting assembly 20 is further improved.
In an embodiment, referring to fig. 1 and 2, the mounting seat 10 includes an upper mounting block 11 and a lower mounting block 12 detachably connected to the upper mounting block 11, the upper mounting block 11 is provided with a first groove 101a, the lower mounting block 12 is provided with a second groove 102a, and the first groove 101a and the second groove 102a are communicated to form the movable groove 10 a; the horizontal sliding block 21 is movably disposed through the second slot 102a, and the vertical sliding block 22 is movably disposed through the first slot 101 a.
In the present embodiment, the horizontal slider 21 and the vertical slider 22 are easily assembled by providing the mounting seat 10 with the upper mounting block 11 and the lower mounting block 12 separately and detachably connecting the two mounting blocks. Specifically, a first groove 101a is provided in the upper mounting block 11, a second groove 102a is provided in the lower mounting block 12, and the first groove 101a and the second groove 102a communicate to form a movable groove 10a having a T-shaped cross section. Go up installation piece 11 and installation piece 12 down and all be equipped with the mounting hole of coaxial setting, through screw in screw to mounting hole to accomplish and go up installation piece 11 and be connected with installation piece 12 detachably down.
In one embodiment, referring to fig. 1 and 2, the lower mounting block 12 includes a body 120 and a cover plate 121, the cover plate 121 is detachably connected to the body 120, and the cover plate 121 and the body 120 enclose the second groove 102 a. In this embodiment, the lower mounting block 12 is divided into the body 120 and the cover plate 121, so that the user can assemble the horizontal sliding block 21 in the second groove 102a by detaching the cover plate 121 from the body 120, and then connect the cover plate 121 with the body 120 again, thereby further facilitating the assembly of the horizontal sliding block 21 in the second groove 102a of the lower mounting block 12.
In an embodiment, referring to fig. 1 and 2, the body 120 is provided with a positioning groove 120a communicating with the second groove 102a, and a positioning protrusion is convexly provided on a side of the upper mounting block 11 facing the lower mounting block 11, and the positioning protrusion is clamped in the positioning groove 120 a.
In this embodiment, when the upper mounting block 11 is assembled to the lower mounting block 12, the positioning protrusion of the upper mounting block 11 can be snapped into the positioning groove 120a of the body 120 of the lower mounting block 12, so that the upper mounting block 11 can be positioned at the predetermined position of the lower mounting block 12 in advance, and then the assembly of the upper mounting block 11 and the lower mounting block 12 can be completed quickly by screwing in the screw.
The utility model also provides a feeding equipment, this feeding equipment includes supporting mechanism and decollator, the decollator is equipped with the carousel, supporting mechanism's follower with the carousel is rotationally the butt, just the carousel is located the follower dorsad supporting mechanism's position control subassembly one side, this supporting mechanism's concrete structure refers to above-mentioned embodiment, because this supporting mechanism has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, does not give unnecessary detail here one by one again.
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. A support mechanism, characterized in that the support mechanism comprises:
the mounting seat is provided with a movable groove;
the position adjusting assembly is movably connected in the movable groove; and
the follower is rotatably connected with the position adjusting assembly, and one side of the follower, which is back to the position adjusting assembly, is used for abutting against a turntable of the divider;
the position adjusting component slides in the movable groove, so that the position adjusting component drives the follower to lift.
2. The support mechanism of claim 1, wherein the position adjustment assembly comprises:
the horizontal sliding block is movably arranged in the movable groove in a penetrating mode and is provided with a first inclined plane; and
one end of the vertical sliding block is rotatably connected with the follower, and the other end of the vertical sliding block movably penetrates through the movable groove; a second inclined plane is arranged at one end of the vertical sliding block, which is far away from the follower, and the second inclined plane is movably abutted against the first inclined plane;
the horizontal sliding block slides in the movable groove, so that the horizontal sliding block drives the vertical sliding block to drive the follower to lift through the relative sliding of the first inclined plane and the second inclined plane.
3. The support mechanism of claim 2 wherein the second ramp surface is at twice the angle to the horizontal as the first ramp surface.
4. The support mechanism of claim 3, wherein the second inclined surface forms an angle of 40 ° to 60 ° with the horizontal plane;
and/or the included angle between the first inclined plane and the horizontal plane is 20-30 degrees.
5. The support mechanism as claimed in claim 2, wherein the position adjustment assembly further comprises an adjustment screw connected to one end of the horizontal sliding block, the mounting seat is provided with a through hole communicated with the movable slot, the adjustment screw is in threaded connection with a hole wall of the through hole, and the adjustment screw is rotated to adjust the horizontal sliding block to move horizontally in the movable slot.
6. The support mechanism of claim 5, wherein the mounting base comprises an upper mounting block and a lower mounting block detachably connected with the upper mounting block, the upper mounting block is provided with a first groove, the lower mounting block is provided with a second groove, and the first groove and the second groove are communicated to form the movable groove; the horizontal sliding block is movably arranged in the second groove in a penetrating mode, and the vertical sliding block is movably arranged in the first groove in a penetrating mode.
7. The support mechanism of claim 6, wherein the lower mounting block includes a body and a cover plate, the cover plate being removably coupled to the body, and the cover plate and the body enclosing the second slot.
8. The support mechanism as claimed in claim 7, wherein the body is provided with a positioning groove communicated with the second groove, and a positioning protrusion is convexly provided on a side of the upper mounting block facing the lower mounting block, and is clamped in the positioning groove.
9. The support mechanism as claimed in any one of claims 2 to 8, wherein the follower comprises a bolt, a roller and a roller, one end of the bolt being connected to the roller, one end of the roller remote from the bolt being rotatably disposed through the roller; the roller is located on one side of the vertical sliding block, and the nut of the bolt is located on one side, back to the roller, of the vertical sliding block.
10. A feeder apparatus, characterized in that the feeder apparatus comprises the support mechanism according to any one of claims 1 to 9 and a divider provided with a rotary plate, a follower of the support mechanism rotatably abutting against the rotary plate, and the rotary plate being located on a side of a position adjusting assembly of the follower facing away from the support mechanism.
CN201922490866.6U 2019-12-30 2019-12-30 Supporting mechanism and feeding equipment Active CN211664057U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922490866.6U CN211664057U (en) 2019-12-30 2019-12-30 Supporting mechanism and feeding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922490866.6U CN211664057U (en) 2019-12-30 2019-12-30 Supporting mechanism and feeding equipment

Publications (1)

Publication Number Publication Date
CN211664057U true CN211664057U (en) 2020-10-13

Family

ID=72737747

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922490866.6U Active CN211664057U (en) 2019-12-30 2019-12-30 Supporting mechanism and feeding equipment

Country Status (1)

Country Link
CN (1) CN211664057U (en)

Similar Documents

Publication Publication Date Title
CN210073193U (en) LED display assembly
CN107232811B (en) Multifunctional mobile office vehicle
CN211664057U (en) Supporting mechanism and feeding equipment
CN210398829U (en) Adjustable telescopic stereo set light support
CN209587576U (en) A kind of multi-screen display bracket
CN108405275B (en) Angle adjusting device of coating head
CN111053409B (en) Adjustable mirror mounting mechanism
CN210069330U (en) Computer support capable of being embedded and installed on desktop
CN112059509A (en) Welding assembly for machining top cover front cross beam and using method of welding assembly
CN106175197A (en) A kind of drawer afterbody adjusting means
CN109654096A (en) Rubberizing tooling
CN105155956B (en) A kind of aluminium alloy door's Built-in hinge and its assembly method
CN210740134U (en) LED lamp mounting bracket capable of adjusting any angle
CN210725191U (en) Stereo set installing support with adjustable
CN210148534U (en) Adjustable compression roller frock of film processing usefulness
CN208435662U (en) Rotary locking mechanism and mobile DR Medical Devices
CN205259768U (en) Take american hinge of position trimming function
CN218904740U (en) Metal substrate surface treatment device
CN210756191U (en) Pressing positioning mechanism for device for assembling small parts on lamp housing
CN220607995U (en) Lifting screen and table
CN216803404U (en) Position adjustable support
CN219751368U (en) Lithium battery case protection adhesive tape thickness calibrating device
CN211166217U (en) Portable drawing board of fine arts
CN215596965U (en) Projection equipment mounting rack
CN220337216U (en) Buckle type mounting structure of narrow-frame aluminum screen plate

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant