CN220850357U - Damping hinge and projector - Google Patents
Damping hinge and projector Download PDFInfo
- Publication number
- CN220850357U CN220850357U CN202322242380.7U CN202322242380U CN220850357U CN 220850357 U CN220850357 U CN 220850357U CN 202322242380 U CN202322242380 U CN 202322242380U CN 220850357 U CN220850357 U CN 220850357U
- Authority
- CN
- China
- Prior art keywords
- friction
- mounting
- shaft
- gasket
- mounting plate
- 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
Links
- 238000013016 damping Methods 0.000 title abstract description 29
- 230000004323 axial length Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 16
- 238000009434 installation Methods 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Projection Apparatus (AREA)
Abstract
The application relates to a damping hinge and a projector, wherein the damping hinge comprises: the connecting shaft, the first mounting plate, the second mounting plate, the first friction part, the second friction part and the elastic part; the connecting shaft comprises a shaft part, a first limiting part and a second limiting part, wherein the first limiting part and the second limiting part are arranged at two ends of the shaft part, and the elastic part, the first friction part, the first mounting disc, the second friction part and the second mounting disc are sequentially arranged on the shaft part along a first direction and respectively abutted against the first friction part and the first limiting part so as to apply elastic force to the first friction part along the first direction. According to the application, the elastic component can apply elastic force to the first friction component in the first direction, and even if a gap is generated between the components due to friction loss of the first friction component and the second friction component, the stability of damping force (torsion) between the first mounting plate and the second mounting plate can be ensured under the action of the elastic component, so that the service life of the damping hinge is greatly prolonged.
Description
Technical Field
The application relates to the technical field of projectors, in particular to a damping hinge and a projector.
Background
The projector, which is a device capable of projecting an image or video onto a curtain, is usually fixed on a wall or a table top by using a support frame, and a projector housing is connected with the support frame through a hinge, thereby being rotatable relative to the support frame to adjust to a proper angle.
In the prior art, the hinge generally mainly comprises two mounting plates which are respectively mounted on the support frame and the projector shell, the two mounting plates are rotationally connected through a rotating shaft, so that the relative rotation of the support frame and the projector shell is realized, and a plane gasket is arranged between the two mounting plates to generate friction force, so that the two mounting plates can be stopped at a required position after being overturned.
However, the hinge provided above has a low service life, and mainly comprises that the plane gasket and the two mounting plates move relatively when rotating, friction loss exists between the plane gasket and the two mounting plates, so that the gap between the parts is increased, looseness is easy to occur, the torsion between the two mounting plates is fast in attenuation, and the use requirement cannot be continuously met.
Disclosure of utility model
Based on the above, the application aims to overcome the defects of the prior art and provide a damping hinge and a projector.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
A damped hinge comprising: the connecting shaft, the first mounting plate, the second mounting plate, the first friction part, the second friction part and the elastic part;
The connecting shaft comprises a shaft part, a first limiting part and a second limiting part, wherein the first limiting part and the second limiting part are arranged at two ends of the shaft part, the direction from the first limiting part to the second limiting part is a first direction, the elastic component, the first friction component, the first mounting disc, the second friction component and the second mounting disc are sequentially arranged on the shaft part along the first direction, the elastic component is respectively abutted to the first friction component and the first limiting part, so that elastic force is applied to the first friction component along the first direction, the first mounting part is arranged on the first mounting disc, and the second mounting part is arranged on the second mounting disc.
According to the damping hinge, the elastic component is arranged, and the elastic component can apply elastic force to the first friction component in the first direction, so that even if the first mounting plate and the second mounting plate rotate mutually, gaps are generated between the components due to friction loss of the first friction component and the second friction component, the first mounting plate, the second friction component and the second mounting plate can be kept tightly overlapped under the action of the elastic component, the stability of damping force (torsion) between the first mounting plate and the second mounting plate is ensured, the service life of the damping hinge is greatly prolonged, and even if a user performs a knob for many times, the damping hinge is not easy to loosen, and the user experience is better. In addition, be provided with first friction part between elastomeric element and the first mounting disc, first friction part can avoid elastomeric element and the direct contact of first mounting disc, prevents the excessive wearing and tearing.
As one embodiment, the first limiting portion is a nut, and the nut is screwed to one end of the shaft portion.
As one embodiment, the first mounting portion includes a plurality of first mounting holes uniformly arranged along a circumferential direction of the shaft portion.
As one embodiment, the second mounting portion includes a plurality of second mounting holes uniformly arranged along a circumferential direction of the shaft portion.
In one embodiment, a plurality of avoidance notches are provided in the first mounting plate at positions opposed to the plurality of second mounting holes along the central axis direction of the shaft portion.
As one embodiment, the shaft portion is provided with an external thread which is engaged with the internal thread of the nut, and the axial length of the external thread is greater than that of the internal thread.
As one embodiment, the first friction member is a planar pad, the second friction member is a rubber washer, and the elastic member is an elastic pad.
As an embodiment, the first friction member includes a first monohook spacer and a planar spacer that are stacked, the first monohook spacer is circumferentially rotatably sleeved on the shaft portion and is fixedly connected with the first mounting plate, and the planar spacer is circumferentially fixedly sleeved on the shaft portion and is located between the first monohook spacer and the elastic member.
As one embodiment, the second friction member includes a second monohook pad and a third monohook pad, wherein the second monohook pad is sleeved on the shaft portion in a circumferential rotation manner and is fixedly connected with the first mounting plate, and the third monohook pad is sleeved on the shaft portion in a circumferential rotation manner and is fixedly connected with the second mounting plate
A projector, comprising: the projector comprises a projector shell, a supporting frame and the damping hinge, wherein the supporting frame is installed with a first installation part of the first installation disc, and the projector shell is installed with a second installation part of the second installation disc.
For a better understanding and implementation, the present application is described in detail below with reference to the drawings.
Drawings
FIG. 1 is an exploded view of a projector according to a first embodiment of the application;
FIG. 2 is a schematic view of a damping hinge according to an embodiment of the present application
FIG. 3 is an exploded view of a damped hinge according to an embodiment of the present application
FIG. 4 is a schematic view of a damping hinge according to a first embodiment of the present application, as viewed along the axial direction of the shaft portion;
FIG. 5 is an exploded view of a damped hinge according to a second embodiment of the present application;
FIG. 6 is a schematic diagram of a projector according to a second embodiment of the application;
Fig. 7 is a schematic structural diagram of a projector base according to a third embodiment of the application.
Reference numerals illustrate:
1. a projector housing; 2. a support frame; 3. a connecting shaft; a. damping hinges; 31. a shaft portion; 311. an external thread; 32. a first limit part; 33. a second limit part; 4. a first mounting plate; 41. a first mounting hole; 42. avoiding the notch; 5. a second mounting plate; 51. a second mounting hole; 6. a first friction member; 61. a first monohook pad; 62. a planar gasket; 7. a second friction member; 71. a second monohook spacer; 72. a third monohook spacer; 8. an elastic member.
Detailed Description
For further illustration of the various embodiments, the application is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible implementations and advantages of the present application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present application.
Example 1
Referring to fig. 1 to 4, an embodiment of the present application provides a projector, which includes a projector housing 1, a support frame 2, and a damping hinge a connecting the projector housing 1 and the support frame 2, wherein the damping hinge a can generate a certain damping force to fix the projector housing 1 and the support frame 2 at a certain angle after relatively rotating. In this embodiment, the supporting frame 2 extends partially to opposite sides of the projector housing 1, and the damping hinge a connects the opposite sides of the projector housing 1 with the supporting frame 2.
The damping hinge a specifically includes: a connecting shaft 3, a first mounting plate 4, a second mounting plate 5, a first friction member 6, a second friction member 7, and an elastic member 8.
The connecting shaft 3 comprises a shaft portion 31, a first limiting portion 32 and a second limiting portion 33 which are arranged at two ends of the shaft portion 31, the direction from the first limiting portion 32 to the second limiting portion 33 is a first direction, the elastic component 8, the first friction component 6, the first mounting disc 4, the second friction component 7 and the second mounting disc 5 are sequentially arranged on the shaft portion 31 along the first direction, a first mounting portion is arranged on the first mounting disc 4, a second mounting portion is arranged on the second mounting disc 5, the supporting frame 2 is mounted with the first mounting portion of the first mounting disc 4, the projector shell 1 is mounted with the second mounting portion of the second mounting disc 5, and the elastic component 8 is respectively abutted to the first friction component 6 and the first limiting portion 32 so as to apply elastic force to the first friction component 6 towards the first direction, and accordingly the first friction component 6, the first mounting disc 4, the second friction component 7 and the second mounting disc 5 are pressed.
According to the technical scheme, the elastic component 8 is arranged, and the elastic component 8 can apply elastic force to the first friction component 6 in the first direction, so that even if the first mounting plate 4 and the second mounting plate 5 rotate mutually, the first friction component 6 and the second friction component 7 have friction loss to cause gaps between the components, the first friction component 6, the first mounting plate 4, the second friction component 7 and the second mounting plate 5 can be kept tightly overlapped under the action of the elastic component 8, the stability of damping force (torsion) between the first mounting plate 4 and the second mounting plate 5 is ensured, the service life of the damping hinge a is greatly prolonged, and even if a user performs a knob for many times, the user is not easy to loosen, and the experience of the user is better. In addition, the first friction part 6 is arranged between the elastic part 8 and the first mounting plate 4, and the first friction part 6 can avoid the direct contact between the elastic part 8 and the first mounting plate 4, so that excessive abrasion is prevented.
Preferably, in this embodiment, the first limiting portion 32 is a nut, and the nut is screwed on one end of the shaft portion 31, so that the assembly and disassembly are convenient, and the components can be disassembled from the shaft portion 31 only by rotating and disassembling the nut. Specifically, the shaft 31 is provided with an external thread 311 that mates with the internal thread of the nut, and the axial length of the external thread 311 is greater than that of the internal thread, so that the nut can be rotated to adjust the specific position of the nut on the shaft 31, and the compressed amount of the elastic component 8 can be adjusted to adjust the elastic force, and further adjust the damping force generated by the damping hinge a, thereby facilitating the use of the user.
Specifically, in the present embodiment, the first mounting portion includes a plurality of first mounting holes 41 uniformly arranged in the circumferential direction of the shaft portion 31, the first mounting holes 41 are penetrated by screws to fix the first mounting plate 4 on the support frame 2, and the second mounting portion includes a plurality of second mounting holes 51 uniformly arranged in the circumferential direction of the shaft portion 31, and the second mounting holes 51 are penetrated by screws to fix the second mounting plate 5 on the projector housing 1, which is convenient to use. Preferably, a plurality of avoidance notches 42 are provided on the first mounting plate 4 at positions opposed to the plurality of second mounting holes 51 along the central axis direction of the shaft portion 31. In this way, when the second mounting hole 51 is locked with the projector housing 1 through the screw, the avoidance notch 42 can be penetrated by the screw driver, so that the operation of a user is facilitated, in other words, the user can penetrate the screw driver through the avoidance notch 42 to lock the screw penetrating through the second mounting hole 51 on the projector housing 1.
Preferably, in this embodiment, the first friction member 6 is a planar gasket, the second friction member 7 is a rubber gasket, and the elastic member 8 is an elastic gasket, so that the number of components is small, the cost is low, and the practical use effect is good.
Example two
The difference between this embodiment and the first embodiment is mainly that: the first friction member 6 and the second friction member 7 of the present embodiment are different from those of the first embodiment.
As shown in fig. 5, in the present embodiment, the first friction member 6 includes a first monohook spacer 61 and a planar spacer 62 that are stacked, the first monohook spacer 61 is circumferentially rotatably sleeved on the shaft portion 31 and is fixedly connected to the first mounting plate 4, and the planar spacer 62 is circumferentially fixedly sleeved on the shaft portion 31 and is located between the first monohook spacer 61 and the elastic member 8. Wherein the flat washer 62 is fixedly sleeved on the shaft portion 31 in the circumferential direction, that is, the flat washer 62 can rotate along with the rotation of the shaft portion 31, so that when the first mounting plate 4 rotates relative to the shaft portion 31, the first single-hook washer 61 follows the rotation of the first mounting plate 4 and rubs with the flat washer 62. The first friction part 6 that sets up from this can avoid elastic component 8 to directly rub with first mounting plate 4 mutually, avoids increasing the wearing and tearing volume of first mounting plate 4, influences the life-span, and first monohook gasket 61 and plane gasket 62 are the interchangeable piece, and the change of being convenient for can directly change after wearing and tearing, and the cost is lower.
In this embodiment, the second friction member 7 includes a second single-hook spacer 71 and a third single-hook spacer 72 that are stacked, where the second single-hook spacer 71 is sleeved on the shaft 31 in a manner of being able to rotate circumferentially and is fixedly connected to the first mounting plate 4, and the third single-hook spacer 72 is sleeved on the shaft 31 in a manner of being able to rotate circumferentially and is fixedly connected to the second mounting plate 5. The second friction part 7 that sets up from this can avoid second mounting disc 5 and first mounting disc 4 direct friction when rotating, has effectively improved damping hinge a's life-span, and second monohook gasket 71 and third monohook gasket 72 are the interchangeable piece, and the change of being convenient for can be after wearing and tearing direct change, and the cost is lower.
Wherein, the materials of the first single-hook gasket 61, the second single-hook gasket 71 and the third single-hook gasket 72 are all spring steel hardened by heat treatment, and the spring steel hardened by heat treatment has good wear resistance, thereby effectively reducing torsion attenuation caused by friction.
Wherein, all be provided with the grafting groove on first mounting plate 4 and the second mounting plate 5, supply the hook-shaped protruding of first single hook gasket 61, second single hook gasket 71 and third single hook gasket 72 respectively to insert, realize fixedly.
In addition, as shown in fig. 6, unlike the first embodiment, in the present embodiment, the bottom of the projector housing 1 is connected to the support frame 2 by a damping hinge a.
Example III
The present embodiment provides a projector mount, which includes a connection frame 21, and a damping hinge a and a support frame 2 in the first embodiment, wherein the connection frame 21 is connected with the support frame 2 through the damping hinge a. The projector base can be used for installing a projector body.
The above examples merely represent a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the inventive manual self-centering vise. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (10)
1. A damped hinge, comprising:
The connecting shaft, the first mounting plate, the second mounting plate, the first friction part, the second friction part and the elastic part;
The connecting shaft comprises a shaft part, a first limiting part and a second limiting part, wherein the first limiting part and the second limiting part are arranged at two ends of the shaft part, the direction from the first limiting part to the second limiting part is a first direction, the elastic component, the first friction component, the first mounting disc, the second friction component and the second mounting disc are sequentially arranged on the shaft part along the first direction, the elastic component is respectively abutted to the first friction component and the first limiting part, so that elastic force is applied to the first friction component along the first direction, the first mounting part is arranged on the first mounting disc, and the second mounting part is arranged on the second mounting disc.
2. The damped hinge of claim 1, wherein:
The first limiting part is a nut, and the nut is in threaded connection with one end of the shaft part.
3. The damped hinge of claim 1, wherein:
the first mounting portion includes a plurality of first mounting holes uniformly arranged along a circumferential direction of the shaft portion.
4. A damped hinge according to claim 3, wherein:
The second mounting portion includes a plurality of second mounting holes uniformly arranged along a circumferential direction of the shaft portion.
5. The damped hinge of claim 4, wherein:
And a plurality of avoidance notches are formed in the first mounting plate at positions opposite to the second mounting holes along the central axis direction of the shaft part.
6. The damped hinge of claim 2, wherein:
The shaft part is provided with an external thread matched with the internal thread of the nut, and the axial length of the external thread is greater than that of the internal thread.
7. The damped hinge of any one of claims 1-6, wherein:
The first friction part is a plane gasket, the second friction part is a rubber gasket, and the elastic part is an elastic gasket.
8. The damped hinge of any one of claims 1-6, wherein:
The first friction part comprises a first single-hook gasket and a plane gasket which are overlapped, the first single-hook gasket is sleeved on the shaft part in a circumferential direction and fixedly connected with the first mounting plate, and the plane gasket is fixedly sleeved on the shaft part in a circumferential direction and is positioned between the first single-hook gasket and the elastic part.
9. The damped hinge of any one of claims 1-6, wherein:
The second friction part comprises a second single-hook gasket and a third single-hook gasket which are overlapped, the second single-hook gasket is sleeved on the shaft part in a circumferential rotation mode and fixedly connected with the first mounting disc, and the third single-hook gasket is sleeved on the shaft part in a circumferential rotation mode and fixedly connected with the second mounting disc.
10. A projector, comprising:
A projector housing, a support bracket and a damped hinge according to any one of claims 1 to 9, the support bracket being mounted with a first mounting portion of the first mounting plate, the projector housing being mounted with a second mounting portion of the second mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242380.7U CN220850357U (en) | 2023-08-18 | 2023-08-18 | Damping hinge and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242380.7U CN220850357U (en) | 2023-08-18 | 2023-08-18 | Damping hinge and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850357U true CN220850357U (en) | 2024-04-26 |
Family
ID=90774905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322242380.7U Active CN220850357U (en) | 2023-08-18 | 2023-08-18 | Damping hinge and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850357U (en) |
-
2023
- 2023-08-18 CN CN202322242380.7U patent/CN220850357U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7404236B2 (en) | Hinge assembly for flat panel display appliance | |
| US6772983B1 (en) | Pivot coupler for pivotally connecting a monitor to a stand | |
| US6867962B2 (en) | Hinge assembly for flat panel display appliance | |
| US8047488B2 (en) | Support stand and flat-panel display monitor using the same | |
| US7698784B2 (en) | Hinge assembly for display monitor | |
| US7712187B2 (en) | Hinge assembly and display monitor with the same | |
| US20080007906A1 (en) | Hinge assembly with stop and display monitor having same | |
| US6775884B2 (en) | Clip-type friction hinge device | |
| US20090172916A1 (en) | Hinge Assembly | |
| US11408598B2 (en) | Rotating arm structure of lamp and lamp with the rotating arm structure | |
| US20050125951A1 (en) | Hinge structure | |
| US20100319163A1 (en) | Hinge assembly | |
| CN220850357U (en) | Damping hinge and projector | |
| US20100281653A1 (en) | Bidirectional Hinge | |
| US7243397B2 (en) | Hinge assemble for flat panel display appliance | |
| CN110821948B (en) | Damping structure, rocker arm mechanism and medical equipment | |
| US7337496B2 (en) | Hinge assembly for flat panel display appliance | |
| KR200244606Y1 (en) | A apparatus of an angle adjuster for lcd monitor | |
| CN219912474U (en) | Rotary support arm and electronic equipment | |
| CN217208638U (en) | Display connection base capable of being adjusted in universal rotation mode | |
| CN219550011U (en) | Rotary assembly and electronic device using same | |
| CN217440664U (en) | Damping device and support assembly with same | |
| CN213461310U (en) | Motor mounting table and cabinet air conditioner | |
| CN215862769U (en) | Hoisting structure and camera device | |
| KR100596465B1 (en) | hinge for support LCD monitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |