Projector capable of realizing synchronous adjustment of height and inclination angle

Abstract

The utility model discloses a projector capable of realizing synchronous adjustment of height and inclination angle in the field of projectors, which comprises a projector body, a support rod and a base, one end of the support rod is rotatably connected with the base through a first damping piece, and the other end of the support rod is rotatably connected with the projector body through a second damping piece. The projector folding support solves the problem that an existing folding support cannot adjust the height of supporting legs of a projector and the inclination angle of the projector at the same time, the height of the projector body can be changed by pulling the projector body and adjusting the rotation angle of the supporting rod on the base, and the projector folding support is convenient to use. The projector body is arranged on the support rod, and the inclination angle of the projector body is changed by adjusting the rotation angle of the projector body on the support rod, so that the height of the projector body can be kept stable, the inclination angle of the projector body can be flexibly adjusted, and the height and the inclination angle of the projector body can be simultaneously adjusted; operation is simplified, and adjustment convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a projector technical field, concretely relates to a projector that can realize height and inclination angle synchronous regulation. BACKGROUND

[0002] The projector is a kind of equipment for projection, can project image, video or other content to large screen or surface equipment, can be used for viewing in home, also can be used in teaching, meeting, application is very extensive.

[0003] In order to guarantee the projection effect, it is convenient to adjust the projection height, still need to be set up by support projector.For example, the Chinese patent file with application No.CN202211277022.3, discloses a kind of projection equipment with folding support, screwing knob can make screw rod rotate, screw rod rotation drives its outer wall screw thread connection's nut left and right movement, nut left and right movement through connecting rod drives third fixed seat left and right movement, when third fixed seat moves left, it can push second hinged rod, further make first hinged rod and second hinged rod open, expand the distance between mounting plate and bottom plate, further can support projector at different height.However, the above-mentioned folding support can only adjust the height of the foot of projector or inclination angle, cannot simultaneously adjust the height of the foot of projector and inclination angle of projector, increase the operation difficulty of user, and poor convenience.

[0004] The above defects need to be solved urgently. UTILITY MODEL CONTENT

[0005] In order to solve the problem that the existing folding support cannot simultaneously adjust the height of the foot of projector and inclination angle of projector, the utility model provides a kind of projector that can realize height and inclination angle synchronous regulation.

[0006] The utility model technical scheme is as follows:

[0007] A kind of projector that can realize height and inclination angle synchronous regulation, including projector body, support rod, base, one end of the support rod is rotatably connected with the base by first damping member, the other end of the support rod is rotatably connected with the projector body by second damping member;

[0008] The top of the base is inwardly recessed to form a receiving groove, a placing groove is provided in the base, the receiving groove is communicated with the placing groove, one end of the support rod passes through the receiving groove and is arranged in the placing groove, one end of the first damping member is arranged in the placing groove, the other end of the first damping member is connected with the support rod.

[0009] The utility model discloses according to above-mentioned scheme, the bottom one side of support rod is provided with the connecting protruding part, the accommodation groove is provided with the limiting portion, the connecting protruding part is set on the connecting recess, and the connecting protruding part is set on the connecting recess.

[0010] The utility model discloses according to above-mentioned scheme, first damping part includes first connecting portion, second connecting portion, first damping portion, and first connecting portion with second connecting portion are connected through first damping portion rotationally,

[0011] First mounting hole is arranged in the support rod, and first connecting portion is arranged in first mounting hole,

[0012] The limiting slot is arranged in the placing groove, and one end of first connecting portion is arranged in limiting slot, and the other end of second connecting portion is arranged at least partially in first mounting hole.

[0013] The utility model discloses according to above-mentioned scheme, first connecting portion includes first cylindrical portion, first flat portion, second connecting portion includes second cylindrical portion, second flat portion, first cylindrical portion with second cylindrical portion rotationally connects, first flat portion is arranged in first mounting hole, and second flat portion is arranged in limiting slot.

[0014] The first limiting strip is arranged in first mounting hole to prevent first flat portion from coming out of first mounting hole.

[0015] The second limiting strip is arranged at the top of limiting slot to prevent second flat portion from coming out of limiting slot.

[0016] The utility model discloses according to above-mentioned scheme, and the bottom of projector body outwardly convex forms first convex part and second convex part, first through -hole is arranged on first convex part, second through -hole is arranged on second convex part, and the top one side of support rod is connected with first through -hole through connecting piece, and the top other side of support rod is connected with second through -hole through second damping part.

[0017] The utility model discloses according to above-mentioned scheme, second damping part includes third connecting portion, fourth connecting portion, second damping portion, and third connecting portion with fourth connecting portion are connected through second damping portion rotationally,

[0018] Second mounting hole is arranged in the support rod, and third connecting portion is arranged in second mounting hole through fastener,

[0019] One end of fourth connecting portion is arranged in second through -hole, and the other end of second connecting portion is arranged at least partially in second mounting hole.

[0020] According to the utility model, the third connecting part comprises a third cylindrical part and a third flat part, the fourth connecting part comprises a fourth cylindrical part and a fourth flat part, the third cylindrical part is rotationally connected with the fourth cylindrical part, the third flat part is arranged in the second mounting hole, the fastener is connected with the third flat part, and the fourth flat part is arranged in the second through hole.

[0021] According to the utility model, the outer side of the first through hole is provided with a sealing groove, and the sealing element is arranged in the sealing groove.

[0022] According to the utility model, the aperture of the first through hole is smaller than the groove width of the sealing groove.

[0023] According to the utility model, the orthographic projection area of the base is equal to the orthographic projection area of the projector body.

[0024] According to the utility model, the bottom of the supporting rod is provided with a first outer arc surface.

[0025] According to the utility model, the top of the supporting rod is provided with a second outer arc surface, and the corresponding inner arc surface is arranged in the accommodating groove, and the second outer arc surface and the inner arc surface are concave-convex matched.

[0026] According to the utility model, its beneficial effects are as follows:

[0027] In the above-mentioned projector capable of synchronously adjusting height and inclination angle, one end of the supporting rod is rotationally connected with the base through the first damping element, the other end of the supporting rod is rotationally connected with the projector body through the second damping element, that is, the two ends of the supporting rod are respectively rotationally connected with the base and the projector body, the height of the projector body can be changed by pulling the projector body to adjust the rotation angle of the supporting rod on the base, and the inclination angle of the projector body can be changed by adjusting the rotation angle of the projector body on the supporting rod, the utility model can flexibly adjust the inclination angle of the projector body while keeping the height of the projector body stable, thereby realizing the simultaneous adjustment of the height and the inclination angle of the projector body, simplifying the operation and improving the convenience of adjustment.

[0028] In addition, the top of the base is inwardly recessed to form the accommodating groove, so that the supporting rod can be accommodated in the accommodating groove, thereby greatly saving space and facilitating the overall storage and carrying of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic view of the utility model;

[0030] Figure 2Structure schematic view two of the utility model for;

[0031] Figure 3 For Figure 2 Schematic view of the structure of the middle A-A;

[0032] Figure 4 For Figure 2 Schematic view of the structure of the middle B-B;

[0033] Figure 5 Split view of the utility model for;

[0034] Figure 6 Part structure schematic view of the utility model for;

[0035] Figure 7 For Figure 6 Enlarged view of the middle A part;

[0036] Figure 8 Split view of the base for;

[0037] Figure 9 For Figure 8 Enlarged view of the middle B part;

[0038] Figure 10 Structure schematic view of the first damping member for;

[0039] Figure 11 Sectional view of the first damping member for;

[0040] Figure 12 Structure schematic view of the support rod for one of;

[0041] Figure 13 Structure schematic view of the support rod for two of;

[0042] Figure 14 Split view of the support rod for;

[0043] Figure 15 For Figure 14 Enlarged view of the middle C part;

[0044] Figure 16 Structure schematic view of the projector body for;

[0045] Figure 17 Structure schematic view of the second damping member for;

[0046] Figure 18 Sectional view of the second damping member for;

[0047] Figure 19 Structure schematic view of the base for.

[0048] In the figure, 1, projector body; 11, first convex part; 111, first through hole; 112, sealing groove; 12, second convex part; 121, second through hole;

[0049] 2, support rod; 21, connecting convex part; 22, first mounting hole; 221, first limiting strip; 23, second mounting hole; 24, first outer arc surface; 25, second outer arc surface;

[0050] 3, base; 31, accommodating groove; 311, inner arc surface; 32, placing groove; 321, limiting part; 322, connecting groove; 323, limiting groove; 324, second limiting strip;

[0051] 4, first damping member; 41, first connecting part; 411, first cylindrical part; 412, first flat part; 42, second connecting part; 421, second cylindrical part; 422, second flat part; 43, first damping part;

[0052] 5, second damping member; 51, third connecting part; 511, third cylindrical part; 512, third flat part; 52, fourth connecting part; 521, fourth cylindrical part; 522, fourth flat part; 53, second damping part;

[0053] 6, connecting member; 7, fastener; 8, sealing member. DETAILED DESCRIPTION

[0054] In order to make the technical problems, technical schemes and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0055] As Figures 1 to 4 shown, the utility model provides a kind of projection device that can realize height and inclination angle synchronous regulation, including projector body 1, support rod 2, base 3, one end of support rod 2 is rotatably connected with base 3 by first damping member 4, the other end of support rod 2 is rotatably connected with projector body 1 by second damping member 5, i.e. the two ends of support rod 2 are rotatably connected with base 3 and projector body 1 respectively, by pulling projector body 1, the rotation angle of support rod 2 on base 3 is adjusted, the height of projector body 1 can be changed, and by adjusting the rotation angle of projector body 1 on support rod 2, the inclination angle of projector body 1 is changed, the utility model can realize flexible adjustment to the inclination angle of projector body 1 while maintaining the height stability of projector body 1, to realize the height and inclination angle of projector body 1 are adjusted simultaneously, simplify operation, improve the convenience of adjustment.

[0056] It should be noted that the projection principle of the projector body 1 is the prior art, and the utility model also does not improve this part, so the principle and process are not described in detail.

[0057] In the embodiment, the orthographic projection area of the base 3 is equal to the orthographic projection area of the projector body 1, which can improve the bearing capacity of the base 3 while reducing the volume, and the base 3 can also provide sufficient supporting force to prevent the projector body 1 from falling. Of course, the orthographic projection area of the base 3 can also be designed to be greater than the orthographic projection area of the projector body 1, and in actual design, the relationship between the orthographic projection area of the base 3 and the orthographic projection area of the projector body 1 can be designed according to actual needs.

[0058] As shown in Figure 1 , Figure 5 In the embodiment, the top of the base 3 is inwardly recessed to form a containing groove 31, so that the support rod 2 can be accommodated in the containing groove 31, thereby greatly saving space and facilitating overall storage and carrying of the device. In addition, the base 3 is provided with a placing groove 32, the containing groove 31 and the placing groove 32 are communicated, one end of the support rod 2 passes through the containing groove 31 and is arranged in the placing groove 32, one end of the first damping member 4 is arranged in the placing groove 32, the other end of the first damping member 4 is connected with the support rod 2, and when the support rod 2 rotates, the first damping member 4 can produce a damping effect, so as to realize that the support rod 2 and the base 3 hover at any unfolded angle, facilitate the user to adjust the height of the projector body 1 according to needs, and improve the convenience of use.

[0059] As shown in Figure 3 , Figures 6 to 9 In the embodiment, the bottom side of the support rod 2 is provided with a connecting convex part 21, the containing groove 31 is provided with a limiting part 321, the limiting part 321 is provided with a connecting groove 322, the connecting convex part 21 is arranged on the connecting groove 322, and when the support rod 2 rotates, the connecting convex part 21 can rotate in the connecting groove 322, so as to prevent the support rod 2 from shaking or falling off during rotation, thereby improving the stability and reliability of the whole structure.

[0060] As shown in Figures 10 to 13As shown in the embodiment, the first damping member 4 comprises a first connecting portion 41, a second connecting portion 42, and a first damping portion 43. The first connecting portion 41 is rotatably connected with the second connecting portion 42 through the first damping portion 43, which not only ensures the stability of the connection, but also enables the support rod 2 to rotate freely within a certain range, thereby meeting the needs of users to adjust the height of the projector body 1 according to actual needs. In addition, the first mounting hole 22 is arranged in the support rod 2, the first connecting portion 41 is arranged in the first mounting hole 22, the limiting groove 323 is arranged in the placing groove 32, one end of the first connecting portion 41 is arranged in the limiting groove 323, and at least a part of the other end of the second connecting portion 42 is arranged in the first mounting hole 22, so that the support rod 2 is rotatably connected with the second connecting portion 42 through the first connecting portion 41, and the rotating angle of the support rod 2 on the base 3 is adjusted. In addition, the first damping portion 43 can be designed as two damping spring sheets that are closely matched with each other, so that the support rod 2 can rotate around the base 3 under the condition of a certain damping force, thereby hovering at any unfolded angle. Of course, in actual design, the structure of the first damping portion 43 can be designed according to actual needs.

[0061] As shown in the embodiment, Figure 11 , the first connecting portion 41 of the first damping member 4 comprises a first cylindrical portion 411 and a first flat portion 412, and the second connecting portion 42 of the first damping member 4 comprises a second cylindrical portion 421 and a second flat portion 422. The first cylindrical portion 411 is rotatably connected with the second cylindrical portion 421 through the first damping portion 43, thereby generating a damping effect and enabling the support rod 2 to hover at any angle. In addition, the first flat portion 412 is arranged in the first mounting hole 22 of the support rod 2, and the second flat portion 422 is arranged in the limiting groove 323 of the placing groove 32, so as to mount the first connecting portion 41 on the support rod 2 and mount the second connecting portion 42 in the placing groove 32, thereby preventing the first connecting portion 41 and the second connecting portion 42 from shaking or falling off during rotation, improving the stability of the entire structure, and facilitating the rotatable connection between the support rod 2 and the base 3, thereby adjusting the height of the projector body 1.

[0062] As shown in the embodiment, Figure 9 , Figure 12 , the first mounting hole 22 of the support rod 2 is provided with a first limiting strip 221 to prevent the first flat portion 412 from coming out of the first mounting hole 22, thereby ensuring the stable connection between the first connecting portion 41 and the support rod 2 and preventing the projector body 1 from being damaged due to loose connection. In addition, the top of the limiting groove 323 of the placing groove 32 is provided with a second limiting strip 324 to prevent the second flat portion 422 from coming out of the limiting groove 323, thereby further enhancing the stability and safety of the connection.

[0063] As shown in the embodiment, Figures 14 to 16As shown in the figure, in this embodiment, the bottom of the projector body 1 is outwardly convex to form a first convex part 11 and a second convex part 12, which provide a stable connection point for the support rod 2. The first convex part 11 is provided with a first through hole 111, and the second convex part 12 is provided with a second through hole 121. The top side of the support rod 2 is connected with the first through hole 111 through the connecting piece 6, and the other side of the top of the support rod 2 is connected with the second through hole 121 through the second damping piece 5. When the projector body 1 rotates around the support rod 2, the second damping piece 5 can produce a damping effect, so as to realize that the projector body 1 and the support rod 2 hover at any unfolded angle, which facilitates the user to adjust the inclination angle of the projector body 1 according to the need, and improves the convenience of use.

[0064] As shown in the figure, Figure 4 , Figure 17 , Figure 18 As shown in the figure, in this embodiment, the second damping piece 5 includes a third connecting part 51, a fourth connecting part 52, and a second damping part 53. The third connecting part 51 and the fourth connecting part 52 are rotationally connected through the second damping part 53, which not only ensures the stability of the connection, but also enables the projector body 1 to freely rotate within a certain range, thereby meeting the needs of the user to adjust the inclination angle of the projector body 1 according to the actual needs. In addition, the support rod 2 is provided with a second mounting hole 23, and the third connecting part 51 is arranged in the second mounting hole 23 through the fastener 7, so that the third connecting part 51 is installed in the support rod 2. One end of the fourth connecting part 52 is arranged in the second through hole 121 of the second convex part 12, and the other end of the second connecting part 42 is arranged at least partially in the second mounting hole 23, so that the projector body 1 is rotationally connected with the third connecting part 51 through the fourth connecting part 52, and the rotation angle of the projector body 1 and the support rod 2 is adjusted to obtain the best viewing or display effect. In addition, the second damping part 53 can be designed with two damping spring sheets, which are closely matched in an up-down direction, so that the projector body 1 can rotate around the support rod 2 under the condition of a certain damping force, thereby hovering at any unfolded angle. Of course, in actual design, the structure of the second damping part 53 can be designed according to actual needs.

[0065] As shown in the figure, Figure 17 , Figure 18As shown, in the embodiment, the third connecting part 51 of the second damping part 5 comprises a third cylindrical part 511 and a third flat part 512, the fourth connecting part 52 of the second damping part 5 comprises a fourth cylindrical part 521 and a fourth flat part 522, the third cylindrical part 511 is rotationally connected with the fourth cylindrical part 521 through the second damping part 53, thereby generating a damping effect, so that the projector body 1 can be subjected to a certain resistance when rotating, and further so that the projector body 1 can hover at any angle. In addition, the third flat part 512 is arranged in the second mounting hole 23, the fastener 7 is connected with the third flat part 512, thereby connecting the third flat part 512 with the support rod 2, preventing the third flat part 512 from rotating in the second mounting hole 23, and the fourth flat part 522 is arranged in the second through hole 121 of the second protruding part 12, thereby enabling the fourth flat part 522 to rotate together with the projector body 1, facilitating adjustment of the inclination angle of the projector body 1.

[0066] As shown, Figure 16 in the embodiment, a sealing groove 112 is arranged outside the first through hole 111 of the first protruding part 11, and the sealing part 8 is arranged in the sealing groove 112, so that the sealing part 8 can be tightly fitted outside the mounting groove, effectively preventing moisture, dust or other impurities from entering, and maintaining the stability and reliability of the connection between the projector body 1 and the support rod 2. In addition, the aperture of the first through hole 111 of the first protruding part 11 is smaller than the groove width of the sealing groove 112, which helps to optimize the mounting and sealing effect.

[0067] As shown, Figure 12 , Figure 13 , Figure 19 in the embodiment, the bottom of the support rod 2 is provided with a first outer arc surface 24, and compared with planar contact, arc surface contact can better disperse stress and reduce single-point stress concentration, so that the connection is more reliable. In addition, the top of the support rod 2 is provided with a second outer arc surface 25, and the corresponding inner arc surface 311 is arranged in the accommodating groove 31, the second outer arc surface 25 is matched with the inner arc surface 311 in concave-convex, facilitating the support rod 2 to be accommodated in the accommodating groove 31 of the base 3, and realizing a quick and simple accommodation process.

[0068] It should be understood that those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

[0069] The utility model patent has been described above in conjunction with the drawings, and obviously the implementation of the utility model patent is not limited by the above manner, as long as various improvements or direct application of the method concept and technical solution of the utility model patent in other occasions are adopted, all of which are within the protection scope of the utility model.

Claims

1. A projector capable of simultaneous adjustment of height and tilt angle, characterized in that, The projector body, the support rod, the base, one end of the support rod is rotatably connected with the base through a first damping member, the other end of the support rod is rotatably connected with the projector body through a second damping member; The top of the base is inwardly recessed to form a containing groove, a placing groove is arranged in the base, the containing groove is communicated with the placing groove, one end of the support rod passes through the containing groove and is arranged in the placing groove, one end of the first damping member is arranged in the placing groove, and the other end of the first damping member is connected with the support rod.

2. The projector capable of synchronous adjustment of height and tilt angle according to claim 1, characterized in that, One side of the bottom of the support rod is provided with a connecting convex part, a limiting part is arranged in the containing groove, a connecting groove is arranged on the limiting part, and the connecting convex part is arranged on the connecting groove.

3. The projector capable of synchronous adjustment of height and tilt angle according to claim 1, characterized in that, The first damping member comprises a first connecting part, a second connecting part and a first damping part, and the first connecting part is rotatably connected with the second connecting part through the first damping part; A first mounting hole is arranged in the support rod, and the first connecting part is arranged in the first mounting hole; A limiting groove is arranged in the placing groove, one end of the first connecting part is arranged in the limiting groove, and the other end of the second connecting part is at least partially arranged in the first mounting hole.

4. The projector of claim 3, wherein, The first connecting part comprises a first cylindrical part and a first flat part, the second connecting part comprises a second cylindrical part and a second flat part, the first cylindrical part is rotatably connected with the second cylindrical part through the first damping part, the first flat part is arranged in the first mounting hole, and the second flat part is arranged in the limiting groove.

5. The projector capable of synchronous adjustment of height and tilt angle according to claim 4, characterized in that, A first limiting strip is arranged in the first mounting hole to prevent the first flat part from coming out of the first mounting hole.

6. The projector of claim 4, wherein, A second limiting strip is arranged at the top of the limiting groove to prevent the second flat part from coming out of the limiting groove.

7. The projection device capable of simultaneously adjusting height and inclination angle according to claim 1, wherein, The bottom of the projector body outwardly protrudes to form a first convex part and a second convex part, a first through hole is arranged on the first convex part, a second through hole is arranged on the second convex part, one side of the top of the support rod is connected with the first through hole through a connecting member, and the other side of the top of the support rod is connected with the second through hole through the second damping member.

8. The projector of claim 7, wherein, The second damping member comprises a third connecting part, a fourth connecting part and a second damping part, and the third connecting part is rotatably connected with the fourth connecting part through the second damping part; A second mounting hole is arranged in the support rod, and the third connecting part is arranged in the second mounting hole through a fastener; One end of the fourth connecting part is arranged in the second through hole, and the other end of the fourth connecting part is at least partially arranged in the second mounting hole.

9. The projector of claim 8, wherein, The third connecting part comprises a third cylindrical part and a third flat part, the fourth connecting part comprises a fourth cylindrical part and a fourth flat part, the third cylindrical part is rotatably connected with the fourth cylindrical part through the second damping part, the third flat part is arranged in the second mounting hole, the fastener is connected with the third flat part, and the fourth flat part is arranged in the second through hole.

10. The projection device capable of simultaneously adjusting height and inclination angle according to claim 1, wherein, The orthographic projection area of the base is equal to the orthographic projection area of the projector body.

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