CN208221471U - A kind of mute screen of dynamoelectric projection of hiding ceiling type - Google Patents
A kind of mute screen of dynamoelectric projection of hiding ceiling type Download PDFInfo
- Publication number
- CN208221471U CN208221471U CN201820480809.2U CN201820480809U CN208221471U CN 208221471 U CN208221471 U CN 208221471U CN 201820480809 U CN201820480809 U CN 201820480809U CN 208221471 U CN208221471 U CN 208221471U
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- plate
- rubber pad
- ceiling type
- locking
- heelpiece
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Abstract
The utility model discloses a kind of hiding mute screen of dynamoelectric projection of ceiling type, including tube and it is connected to the tube shaped electric machine of tube end, the end of the tube shaped electric machine is equipped with the damped noise reduction device including base plate, locking plate and rubber pad, the base plate includes bottom plate and is arranged around bottom plate surrounding and forms the baffle of accommodating chamber, the rubber pad is embedded in accommodating chamber and side pad on the inside of baffle is arranged in including being bonded the heelpiece that bottom plate is arranged in and fitting, and the locking plate and the heelpiece of rubber pad and/or side pad inside are supported and contact and be fixedly connected with base plate.Increase damped noise reduction device in the end of tube shaped electric machine, in the damped noise reduction device, rubber pad is embedded in the accommodating chamber of base plate, and under the action of locking plate rubber pad is fitted closely with base plate and locking plate, and then the vibration-damping noise-reducing function of rubber pad is given full play to, reach good vibration-damping noise-reducing effect.The utility model is applied to projection screen technical field.
Description
Technical field
The utility model relates to projection screen technical field, in particular to a kind of mute screen of dynamoelectric projection of hiding ceiling type.
Background technique
The winding and decentralization of projection screen are typically all to rotate to realize by motor driven tube.In the driving of power supply
Under, motor drives tube rotation, and tube realizes the winding or decentralization of curtain.
In the winding and decentralization process of curtain, motor is due to shaking and then constantly generating noise, for more advanced
Place or the place more demanding to quiet degree, if using the screen of dynamoelectric projection, noise caused by motor be use
Family is unacceptable.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of hiding ceiling type of achievable damping and silencing is mute
Screen of dynamoelectric projection.
Used technical solution to solve above-mentioned technical problem: a kind of hiding mute screen of dynamoelectric projection of ceiling type, including
Tube and the tube shaped electric machine for being connected to tube end, the end of the tube shaped electric machine be equipped with including base plate, locking plate and
The damped noise reduction device of rubber pad, the base plate include bottom plate and are arranged around bottom plate surrounding and form the gear of accommodating chamber
Plate, the rubber pad are embedded in accommodating chamber and side on the inside of baffle are arranged in including being bonded the heelpiece that bottom plate is arranged in and fitting
Pad, the locking plate are supported with the heelpiece of rubber pad and/or side pad inside and contact and be fixedly connected with base plate.
Further, the locking plate includes fixed part and the locking part for being circumferentially positioned at fixed part surrounding, the lock
The bottom surface and side of stop are abutted with heelpiece and side pad respectively.
Further, the end of the tube shaped electric machine is equipped with the boss with pin hole, and the heelpiece and fixed part are equipped with confession
The perforation that boss passes through, the end abutment of the fixed part and tube shaped electric machine.
Further, the perforation is located at the geometric center of heelpiece and fixed part.
Further, side pad is symmetrically arranged with a pair of notches, and the locking part, which is equipped with, a pair of passes through notch and to periphery
The pressing plate of extension, the pressing plate are fixedly connected with base plate.
Further, it is circumferentially positioned at pressing plate periphery positioned at the baffle of incision, the pressing plate is bonded with bottom plate, position
Baffle in pressing plate two sides is equipped with the threaded hole higher than pressing plate.
Further, foam-rubber cushion is equipped between the pressing plate and bottom plate.
Further, the rubber pad is symmetrically arranged with a pair of of positioning groove, and the locking plate, which is symmetrically arranged with, is embedded in positioning
The locking protrusion of groove, the base plate are equipped with the positioning protrusion for accommodating positioning groove.
The utility model has the advantages that increasing damped noise reduction device, the damping in the end of tube shaped electric machine in technical solutions of the utility model
In denoising device, rubber pad is embedded in the accommodating chamber of base plate, and makes rubber pad and base plate under the action of locking plate
And locking plate fits closely, and then gives full play to the vibration-damping noise-reducing function of rubber pad, reaches good vibration-damping noise-reducing effect.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples:
Fig. 1 is the assembling schematic diagram of the utility model embodiment damped noise reduction device；
Fig. 2 is the overall schematic of the utility model embodiment damped noise reduction device；
Fig. 3 is the overall schematic that the utility model embodiment damped noise reduction device is fixed on tube shaped electric machine end.
Specific embodiment
Referring to figs. 1 to Fig. 3, a kind of hiding mute screen of dynamoelectric projection of ceiling type of the utility model embodiment, including tube 1 with
And it is connected to the tube shaped electric machine 2 of 1 end of tube, tube shaped electric machine 2 drives tube 1 to rotate winding and decentralization, it can be achieved that curtain.
The end of tube shaped electric machine 2 is equipped with the damped noise reduction device 3 including base plate 31, locking plate 33 and rubber pad 32.
Specifically, base plate 31 includes bottom plate 311 and is arranged around 311 surrounding of bottom plate and forms the baffle 312 of accommodating chamber, rubber pad
32 shape is consistent with base plate 31, and rubber pad 32 is embedded in accommodating chamber and the heelpiece 321 of bottom plate 311 is arranged in including being bonded
And it is bonded the side pad 322 that 312 inside of baffle is set, in the heelpiece 321 and/or side pad 322 of locking plate 33 and rubber pad 32
It supports contact and is fixedly connected with base plate 31 in side.Rubber pad 32 is clamped in the folder that the two is formed by locking plate 33 and base plate 31
Between seam, so that the two sides of rubber pad 32 are fitted closely with locking plate 33 and base plate 31 respectively, convenient for will efficiently manage
The vibration of shape motor 2 and noise transmission realize the efficient absorption of vibration and noise to rubber pad 32.
Increase damped noise reduction device 3 in the end of tube shaped electric machine 2, reaches vibration-damping noise-reducing effect well, so that
Screen of dynamoelectric projection can be applied to the scope of application for requiring peace and quiet to considerably increase product in higher environment.
Preferably, locking plate 33 includes fixed part 331 and is circumferentially positioned at the locking part 332 of 331 surrounding of fixed part,
The bottom surface and side of locking part 332 are abutted with heelpiece 321 and side pad 322 respectively.Locking part 332 is designed to and 312 phase of baffle
On the one hand on the other hand being pressed on bottom plate 311 tightly of heelpiece 321 can be also possible that by the size and structure of adaptation
Side pad 322 is closely abutted with the inside of baffle 312.The fixation that rubber pad 32 is realized by two dimensions, is effectively ensured rubber pad
32 vibration-damping noise-reducing effect.
Preferably, the end of tube shaped electric machine 2 is equipped with the boss with pin hole, heelpiece 321 and fixed part 331 are equipped with for convex
The perforation 333 that platform passes through, the end abutment of fixed part 331 and tube shaped electric machine 2.After boss passes through the perforation 333 of fixed part 331,
Pin is being inserted into pin hole, realization fixed part 331 is fixedly connected with tube shaped electric machine 2, and the vibrating noise of tube shaped electric machine 2 passes through solid
Determine portion 331 and be transferred to rubber pad 32, realizes vibration-damping noise-reducing.Meanwhile preferably, perforation 333 is located at heelpiece 321 and fixed part
331 geometric center advantageously ensures that the position degree of tube shaped electric machine 2 under the restriction effect of perforation 333.
Preferably, side pad 322 is symmetrically arranged with a pair of notches 323, locking part 332 be equipped with it is a pair of pass through notch 323 and to
The pressing plate 334 that periphery extends, pressing plate 334 are fixedly connected with base plate 31.In the present embodiment, which is divided into side pad 322
The bottom of left and right two halves, locking part 332 is bent to form a pressing plate 334 to periphery, and pressing plate 334 stretches to base plate 31 and and base
Seat board 31, which is realized, to be fixed.Meanwhile the baffle 312 at notch 323 is circumferentially positioned at 334 periphery of pressing plate, pressing plate 334 and bottom plate
311 fittings, the baffle 312 positioned at 334 two sides of pressing plate are equipped with the threaded hole 314 higher than pressing plate 334.It is beaten in threaded hole 314
Enter screw 4, limitation pressing plate 334 runs out of notch 323, so that pressing plate 334 is bonded with the holding of bottom plate 311, realizes locking plate 33 and base
The fixation of seat board 31.
Preferably, being equipped with foam-rubber cushion 5 between pressing plate 334 and bottom plate 311, pressing plate 334 is with bottom plate 311 in the present embodiment
Foam-rubber cushion 5 is arranged in common sheet metal component between pressing plate 334 and bottom plate 311, can avoid directly connecing between metal and metal
Touching, prevents the friction between metal from bringing additional noise.
Preferably, rubber pad 32 is symmetrically arranged with a pair of of positioning groove 324, positioning groove 324 and notch 323 in 90 degree of folders
Angle setting, locking plate 33 are symmetrically arranged with the locking protrusion 335 for being embedded in positioning groove 324, and it is recessed that base plate 31 is equipped with receiving positioning
The positioning protrusion 313 of slot 324.Positioning groove 324 is embedded in positioning protrusion 313, it can be achieved that the quick positioning of rubber pad 32 is pacified
Dress.Meanwhile locking protrusion 335 bottom and side be close to respectively with the bottom of positioning groove 324 and side so that positioning groove
324 being embedded in positioning protrusion 313 tightly, so that rubber pad 32 can not realize rotation in base plate 31.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
State embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (8)
1. a kind of mute screen of dynamoelectric projection of hiding ceiling type, including tube and it is connected to the tube shaped electric machine of tube end, it is special
Sign is: the end of the tube shaped electric machine is equipped with the damped noise reduction device including base plate, locking plate and rubber pad, the base
Seat board includes bottom plate and is arranged and is formed the baffle of accommodating chamber around bottom plate surrounding, and the rubber pad is embedded in accommodating chamber and wraps
It includes the side that the heelpiece of bottom plate is arranged in fitting and fitting is arranged on the inside of baffle to pad, the heelpiece of the locking plate and rubber pad
And/or side pad inside is supported contact and is fixedly connected with base plate.
2. the mute screen of dynamoelectric projection of hiding ceiling type according to claim 1, it is characterised in that: the locking plate includes solid
Determine portion and be circumferentially positioned at the locking part of fixed part surrounding, the bottom surface and side of the locking part are supported with heelpiece and side pad respectively
It connects.
3. the mute screen of dynamoelectric projection of hiding ceiling type according to claim 2, it is characterised in that: the end of the tube shaped electric machine
Portion is equipped with the boss with pin hole, and the heelpiece and fixed part are equipped with the perforation passed through for boss, the fixed part and tubulose electricity
The end abutment of machine.
4. the mute screen of dynamoelectric projection of hiding ceiling type according to claim 3, it is characterised in that: the perforation is located at heelpiece
And the geometric center of fixed part.
5. the mute screen of dynamoelectric projection of hiding ceiling type according to claim 2, it is characterised in that: the side pad is symmetrically arranged with
A pair of notches, the locking part are equipped with a pair of pressing plate for passing through notch and extending outside, and the pressing plate and base plate, which are fixed, to be connected
It connects.
6. the mute screen of dynamoelectric projection of hiding ceiling type according to claim 5, it is characterised in that: described in incision
Baffle is circumferentially positioned at pressing plate periphery, and the pressing plate is bonded with bottom plate, and the baffle positioned at pressing plate two sides is equipped with higher than pressing plate
Threaded hole.
7. the mute screen of dynamoelectric projection of hiding ceiling type according to claim 6, it is characterised in that: the pressing plate and bottom plate it
Between be equipped with foam-rubber cushion.
8. according to the described in any item hiding mute screen of dynamoelectric projection of ceiling type of claim 2~7, it is characterised in that: the rubber
Rubber mat is symmetrically arranged with a pair of of positioning groove, and the locking plate is symmetrically arranged with the locking protrusion for being embedded in positioning groove, the pedestal
Plate is equipped with the positioning protrusion for accommodating positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820480809.2U CN208221471U (en) | 2018-04-04 | 2018-04-04 | A kind of mute screen of dynamoelectric projection of hiding ceiling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820480809.2U CN208221471U (en) | 2018-04-04 | 2018-04-04 | A kind of mute screen of dynamoelectric projection of hiding ceiling type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221471U true CN208221471U (en) | 2018-12-11 |
Family
ID=64514052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820480809.2U Active CN208221471U (en) | 2018-04-04 | 2018-04-04 | A kind of mute screen of dynamoelectric projection of hiding ceiling type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488320A (en) * | 2018-04-04 | 2018-09-04 | 广州市雄云视听设备有限公司 | A kind of mute screen of dynamoelectric projection of hiding ceiling type |
-
2018
- 2018-04-04 CN CN201820480809.2U patent/CN208221471U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488320A (en) * | 2018-04-04 | 2018-09-04 | 广州市雄云视听设备有限公司 | A kind of mute screen of dynamoelectric projection of hiding ceiling type |
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