CN210627807U - Tensioning device for canvas of lamp box - Google Patents
Tensioning device for canvas of lamp box Download PDFInfo
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- CN210627807U CN210627807U CN201922063782.4U CN201922063782U CN210627807U CN 210627807 U CN210627807 U CN 210627807U CN 201922063782 U CN201922063782 U CN 201922063782U CN 210627807 U CN210627807 U CN 210627807U
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Abstract
The utility model discloses a overspeed device tensioner of lamp house canvas relates to lamp house technical field. This overspeed device tensioner of lamp house canvas, including the box, the welding of one side of box inner wall has link gear, and link gear's left side is inserted and is equipped with first hand wheel, and link gear's inside welding has positive screw rod, and link gear's inside welding has anti-screw rod, and equal threaded connection has the screw hole piece on positive screw rod and the anti-screw rod, and the right side of two screw hole pieces has all welded fixture. This overspeed device tensioner of lamp house canvas, rotatory first hand wheel, first hand wheel drives first conical gear through the bull stick and rotates, first conical gear drives second conical gear rotatory, it is rotatory simultaneously to make the connecting rod drive positive screw and anti-screw rod, make two screw hole pieces drive two fixture looks both sides and remove, two sliders are spacing with two fixture respectively on the slide bar, two fixture straighten the canvas, can be with the canvas tensioning, the phenomenon of lax can not appear.
Description
Technical Field
The utility model relates to a lamp house technical field specifically is a overspeed device tensioner of lamp house canvas.
Background
The lamp box is used for propaganda advertising, advertising cloth (commonly called lamp box cloth) is used for the lamp box, oil ink is used for the ink, in order to guarantee the durability of a picture, a spray painting company generally needs to be darker than the color of a display, the resolution of an actually output image generally only needs 30-45 DPI (contrast according to printing requirements), and the actual size of the picture is large and has the area of hundreds of square meters.
When the advertisement canvas is placed inside the lamp box, the advertisement canvas is generally fixed by using double-sided adhesive tapes or fixed by using screws, and the fixing mode can be well fixed, but if the canvas is large, the weight is also large, and the canvas is easy to loose.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a overspeed device tensioner of lamp house canvas uses the back, can not appear lax phenomenon with the canvas tensioning.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a overspeed device tensioner of lamp house canvas, includes the box, the welding of one side of box inner wall has link gear, link gear's left side is inserted and is equipped with first hand wheel, link gear's internal weld has positive screw rod, and link gear's internal weld has anti-screw rod, equal threaded connection has the screw hole piece on positive screw rod and the anti-screw rod, two fixture has all been welded on the right side of screw hole piece, two fixture's right side has all been welded the slider, the one end that positive screw rod and anti-screw rod carried on the back mutually all is overlapped and is equipped with the connecting bearing, the internal weld of box has the slide bar, the both sides fixed mounting of box inner wall has the LED.
The linkage mechanism comprises a shell, one side of the inner wall of the shell is rotatably connected with a rotating rod through a supporting bearing, a first bevel gear is inserted on the rotating rod, the bottom of the inner wall of the shell is rotatably connected with a connecting rod through the supporting bearing, and a second bevel gear is inserted on the connecting rod.
The fixture includes the clamp frame, the back surface glue of clamp frame inner wall is equipped with the fixed block, the central point of fixed block puts threaded connection and has the clamping screw, clamping screw's positive skin weld has the second hand wheel, clamping screw's rear end cover is equipped with the removal bearing, the back skin weld of removal bearing has the device board, the back skin weld of device board has the nail board, the top welding of nail board has the stopper, the positive skin weld of device board has the connecting plate, the back skin weld of connecting plate has the telescopic link.
Preferably, rod holes matched with the positive screw rod and the negative screw rod are formed in the two sides of the shell respectively, and the opposite sides of the positive screw rod and the negative screw rod are welded at the two ends of the connecting rod respectively.
Preferably, the teeth on the first bevel gear are meshed with the teeth on the second bevel gear, and the first hand wheel penetrates through the right side of the box body.
Preferably, the rotating rod penetrates through the left side of the shell, and the first hand wheel is inserted on the right side of the rotating rod.
Preferably, the internal threads of the threaded through hole on the threaded hole block are respectively meshed with the threads on the positive screw and the reverse screw, the front surface of the clamping frame is provided with a rod hole matched with the clamping screw, and the central position of the fixed block is provided with a threaded device through hole matched with the clamping screw.
Preferably, the front surface of the telescopic rod is connected to the rear surface of the clamping frame through a pin, a sliding groove matched with the limiting block is formed in the top of the inside of the clamping frame, and the two clamping mechanisms are distributed on the right sides of the two threaded hole blocks relatively.
The utility model provides a overspeed device tensioner of lamp house canvas. The method has the following beneficial effects:
(1) this overspeed device tensioner of lamp house canvas, rotatory first hand wheel, first hand wheel drives first conical gear through the bull stick and rotates, first conical gear drives second conical gear rotatoryly, it is rotatory simultaneously to make the connecting rod drive positive screw and anti-screw rod, make two screw hole pieces drive two fixture looks both sides and remove, two sliders are spacing with two fixture respectively on the slide bar, two fixture straighten the canvas, can be with the canvas tensioning, the phenomenon of lax can not appear.
(2) This overspeed device tensioner of lamp house canvas inserts the top of canvas in the upside clamping frame, and rotatory second hand wheel, second hand wheel drive clamping screw rotatory removal in the fixed block, and the telescopic link carries on spacingly with the mounting plate through the connecting plate, and the stopper is spacing with the mounting plate, and the mounting plate drives the nail board fixed with the top of canvas, inserts the bottom of canvas in the downside clamping frame, and rotatory downside second hand wheel makes the nail board fix the canvas downside, is convenient for fix the canvas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the linkage mechanism of the present invention;
fig. 3 is a side view structure diagram of the clamping mechanism of the present invention.
In the figure: 1. a box body; 2. a linkage mechanism; 201. a housing; 202. a rotating rod; 203. a first bevel gear; 204. a connecting rod; 205. a second bevel gear; 3. a first hand wheel; 4. a positive screw; 5. a reverse screw; 6. a threaded hole block; 7. a clamping mechanism; 701. a clamping frame; 702. a fixed block; 703. clamping the screw rod; 704. a second hand wheel; 705. moving the bearing; 706. a mounting plate; 707. nailing a plate; 708. a limiting block; 709. a connecting plate; 710. a telescopic rod; 8. a slider; 9. connecting a bearing; 10. a slide bar; 11. an LED lamp tube.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a tensioning device of a lamp box canvas comprises a box body 1, a linkage mechanism 2 is welded on one side of the inner wall of the box body 1, a first hand wheel 3 is inserted on the left side of the linkage mechanism 2, the first hand wheel 3 is inserted on the right side of a rotating rod 202, the first hand wheel 3 penetrates through the right side of the box body 1, a positive screw 4 is welded inside the linkage mechanism 2, a reverse screw 5 is welded inside the linkage mechanism 2, threaded hole blocks 6 are respectively connected on the positive screw 4 and the reverse screw 5 in a threaded manner, the internal threads of the threaded hole blocks 6 are respectively meshed with the threads on the positive screw 4 and the threads on the reverse screw 5, clamping mechanisms 7 are welded on the right sides of the two threaded hole blocks 6, the two clamping mechanisms 7 are oppositely distributed on the right sides of the two threaded hole blocks 6, sliding blocks 8 are welded on the right sides of the two clamping mechanisms 7, and a bearing 9 is respectively sleeved on one end of the positive screw, the opposite sides of the positive screw rod 4 and the negative screw rod 5 are respectively welded at two ends of the connecting rod 204, the sliding rod 10 is welded inside the box body 1, and the LED lamp tube 11 is fixedly arranged at two sides of the inner wall of the box body 1.
The linkage mechanism 2 comprises a shell 201, rod holes matched with a positive screw rod 4 and a negative screw rod 5 are respectively formed in two sides of the shell 201, a rotating rod 202 is rotatably connected to one side of the inner wall of the shell 201 through a supporting bearing, the rotating rod 202 penetrates through the left side of the shell 201, a first conical gear 203 is inserted into the rotating rod 202, teeth on the first conical gear 203 are meshed with teeth on a second conical gear 205, a connecting rod 204 is rotatably connected to the bottom of the inner wall of the shell 201 through the supporting bearing, and the second conical gear 205 is inserted into the connecting rod 204.
The clamping mechanism 7 comprises a clamping frame 701, a sliding groove matched with a limiting block 708 is formed in the top inside the clamping frame 701, a rod hole matched with a clamping screw 703 is formed in the front surface of the clamping frame 701, a fixing block 702 is glued to the rear surface of the inner wall of the clamping frame 701, a threaded device through hole matched with the clamping screw 703 is formed in the center of the fixing block 702, the clamping screw 703 is in threaded connection with the center of the fixing block 702, a second hand wheel 704 is welded to the front surface of the clamping screw 703, a moving bearing 705 is sleeved at the rear end of the clamping screw 703, a device plate 706 is welded to the rear surface of the moving bearing 705, a nail plate 707 is welded to the rear surface of the device plate 706, the limiting block 708 is welded to the top of the nail plate 707, a connecting plate 709 is welded to the front surface of the device plate 706, an expansion rod 710 is welded to the rear surface of the.
When the device is used, the top of a canvas is inserted into the upper clamping frame 701, the second hand wheel 704 is rotated, the second hand wheel 704 drives the clamping screw rod 703 to rotate and move in the fixed block 702, the telescopic rod 710 limits the device plate 706 through the connecting plate 709, the limiting block 708 limits the device plate 706, the device plate 706 drives the nail plate 707 to fix the top of the canvas, the bottom of the canvas is inserted into the lower clamping frame 701, the lower second hand wheel 704 is rotated to enable the nail plate 707 to fix the lower side of the canvas, the first hand wheel 3 is rotated, the first hand wheel 3 drives the first bevel gear 203 to rotate through the rotating rod 202, the first bevel gear 203 drives the second bevel gear 205 to rotate, the connecting rod 204 drives the positive screw rod 4 and the negative screw rod 5 to simultaneously rotate, the two threaded hole blocks 6 drive the two clamping mechanisms 7 to move on two sides, the two sliding blocks 8 respectively limit the two clamping mechanisms 7 on the sliding rod 10, the canvas is straightened by two clamping mechanisms 7.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a overspeed device tensioner of lamp house canvas, includes box (1), its characterized in that: the LED lamp tube box is characterized in that a linkage mechanism (2) is welded on one side of the inner wall of the box body (1), a first hand wheel (3) is inserted into the left side of the linkage mechanism (2), a positive screw (4) is welded inside the linkage mechanism (2), a reverse screw (5) is welded inside the linkage mechanism (2), threaded hole blocks (6) are in threaded connection with the positive screw (4) and the reverse screw (5) respectively, clamping mechanisms (7) are welded on the right sides of the two threaded hole blocks (6), sliding blocks (8) are welded on the right sides of the two clamping mechanisms (7), connecting bearings (9) are sleeved on opposite ends of the positive screw (4) and the reverse screw (5), a sliding rod (10) is welded inside the box body (1), and LED lamp tubes (11) are fixedly mounted on two sides of the inner wall of the box body (1);
the linkage mechanism (2) comprises a shell (201), one side of the inner wall of the shell (201) is rotatably connected with a rotating rod (202) through a supporting bearing, a first bevel gear (203) is inserted on the rotating rod (202), the bottom of the inner wall of the shell (201) is rotatably connected with a connecting rod (204) through the supporting bearing, and a second bevel gear (205) is inserted on the connecting rod (204);
clamping mechanism (7) are including pressing from both sides frame (701), the back surface glue of pressing from both sides frame (701) inner wall is equipped with fixed block (702), the central point of fixed block (702) puts threaded connection and has clamping screw (703), the positive skin weld of clamping screw (703) has second hand wheel (704), the rear end cover of clamping screw (703) is equipped with movable bearing (705), the rear surface welding of movable bearing (705) has device board (706), the rear surface welding of device board (706) has nail board (707), the top welding of nail board (707) has stopper (708), the positive skin weld of device board (706) has connecting plate (709), the rear surface welding of connecting plate (709) has telescopic link (710).
2. The tensioning device of the lamp box canvas as claimed in claim 1, wherein: the screw rod structure is characterized in that rod holes matched with the positive screw rod (4) and the reverse screw rod (5) are formed in two sides of the shell (201) respectively, and one sides, opposite to the positive screw rod (4) and the reverse screw rod (5), of the positive screw rod and the reverse screw rod are welded at two ends of the connecting rod (204) respectively.
3. The tensioning device of the lamp box canvas as claimed in claim 1, wherein: teeth on the first bevel gear (203) are meshed with teeth on the second bevel gear (205), and the first hand wheel (3) penetrates through the right side of the box body (1).
4. The tensioning device of the lamp box canvas as claimed in claim 1, wherein: the rotating rod (202) penetrates through the left side of the shell (201), and the first hand wheel (3) is inserted into the right side of the rotating rod (202).
5. The tensioning device of the lamp box canvas as claimed in claim 1, wherein: the internal threads of the thread through holes in the two thread hole blocks (6) are respectively meshed with the threads on the positive screw (4) and the threads on the negative screw (5), the positive surface of the clamping frame (701) is provided with a rod hole matched with the clamping screw (703), and the central position of the fixed block (702) is provided with a thread device through hole matched with the clamping screw (703).
6. The tensioning device of the lamp box canvas as claimed in claim 1, wherein: the front surface of the telescopic rod (710) is in pin connection with the rear surface of the clamping frame (701), a sliding groove matched with the limiting block (708) is formed in the top of the interior of the clamping frame (701), and the two clamping mechanisms (7) are oppositely distributed on the right sides of the two threaded hole blocks (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063782.4U CN210627807U (en) | 2019-11-26 | 2019-11-26 | Tensioning device for canvas of lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063782.4U CN210627807U (en) | 2019-11-26 | 2019-11-26 | Tensioning device for canvas of lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210627807U true CN210627807U (en) | 2020-05-26 |
Family
ID=70753957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063782.4U Active CN210627807U (en) | 2019-11-26 | 2019-11-26 | Tensioning device for canvas of lamp box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210627807U (en) |
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2019
- 2019-11-26 CN CN201922063782.4U patent/CN210627807U/en active Active
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