CN213075069U - Rotation locking structure and tablet subassembly - Google Patents
Rotation locking structure and tablet subassembly Download PDFInfo
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- CN213075069U CN213075069U CN202021160684.9U CN202021160684U CN213075069U CN 213075069 U CN213075069 U CN 213075069U CN 202021160684 U CN202021160684 U CN 202021160684U CN 213075069 U CN213075069 U CN 213075069U
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Abstract
The utility model discloses a rotation locking structure to a writing board subassembly with rotation locking structure is disclosed, wherein rotate locking structure and include: the support piece is provided with a locking through hole, a plurality of concave parts are arranged on the support piece in the circumferential direction, and the plurality of concave parts are arranged on the outer side of the locking through hole; the rotating piece comprises a rotating shaft and a locking piece, the rotating shaft penetrates through the locking through hole, the tail section of the rotating shaft is provided with an external thread section, the locking piece is provided with a convex part protruding towards the supporting piece, and the convex part is matched with the plurality of concave parts; and the locking nut is in threaded connection with the external thread section. When the rotating piece and the supporting piece are locked, the locking nut is rotated to enable the rotating piece to approach the supporting piece, the convex part sinks into the corresponding concave part of the locking angle, the rotating piece can be fixed by screwing the locking nut, and the rotating piece and the supporting piece are fixed with high stability after being locked due to the matching of the convex part and the concave part.
Description
Technical Field
The utility model relates to a teaching aid technical field, in particular to rotation locking structure and board subassembly.
Background
The tablet is commonly used in teaching or meeting, and the present tablet of taking the support is the perpendicular fixed mounting of tablet on the support mostly, and the tablet can not turned angle, can not adapt to user's different use angle demands in a flexible way, and it is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a rotation locking structure.
The utility model discloses still provide a board subassembly that has above-mentioned rotation locking structure.
According to the utility model discloses a rotation locking structure of first aspect embodiment includes:
the support piece is provided with a locking through hole extending transversely, and a plurality of concave parts are arranged on the support piece in the circumferential direction and are arranged outside the locking through hole;
the rotating part comprises a rotating shaft and a locking part, the rotating shaft penetrates through the locking through hole, the locking part is fixedly connected to the head end of the rotating shaft, the tail section of the rotating shaft is provided with an external thread section, the locking part is provided with a convex part protruding towards the supporting part, the convex part is arranged on the periphery of the rotating shaft, and the convex part is matched with the concave parts;
a locking nut threadedly connected with the externally threaded section;
the support member is disposed between the locking member and the locking nut.
According to the utility model discloses rotation locking structure has following beneficial effect at least: the rotating shaft can rotate in the locking through hole to drive the locking piece to rotate relative to the supporting piece; the convex part on the fixed piece is sunk into the concave part on the support piece, and the plurality of concave parts on the support piece can correspond to different rotation angles; when the rotating piece and the supporting piece are locked, the locking nut is rotated to enable the rotating piece to approach the supporting piece, the convex part sinks into the corresponding concave part of the locking angle, the rotating piece can be fixed by screwing the locking nut, and the rotating piece and the supporting piece are fixed with high stability after being locked due to the matching of the convex part and the concave part. When the angle is adjusted, the locking nut is loosened, the convex part is separated from the concave part, and the rotating part can be rotated to adjust the angle. The technology can flexibly adjust the angle of the rotating piece and lock the rotating piece, and is convenient to use.
According to some embodiments of the invention, the concave part is a circular arc groove, and the convex part is a circular arc protrusion. The arc groove and the arc bulge are in arc transition at the outer edge, so that the convex part is convenient to sink into or separate from the concave part, the arc transition is also favorable for the rotating part and the supporting part to be far away when the rotating part is rotated, and the action of separating the rotating part and the supporting part by hands is reduced.
According to some embodiments of the present invention, the number of the convex portions is plural, and the plurality of convex portions and the plurality of concave portions are correspondingly disposed. The plurality of convex portions are sunk into the plurality of concave portions, and further the locking of the rotating member and the supporting member is more stable.
According to some embodiments of the utility model, the rotation piece includes first screw rod, first screw rod does the axis of rotation, the locking piece includes first connecting plate, the concave part is located on the first connecting plate, the middle part of first connecting plate is equipped with first through-hole, the head end of axis of rotation is located in the first through-hole, the head end of axis of rotation with first through-hole passes through welded fastening and connects, the outer fringe of first connecting plate is connected with the second connecting plate that the direction of keeping away from first connecting plate extends, the second connecting plate is to keeping away from support piece's one side extends the setting, keeping away from of second connecting plate one side of first connecting plate is equipped with the mounting panel.
The rotating part adopts a first screw rod, the first screw rod is penetrated in the first through hole, and then the first screw rod and the first connecting plate are fixed together through welding, so that the rotating part is convenient to process. Because the convex part is absorbed in the concave part back, the side that first connecting plate is close to support piece can paste on support piece or near from support piece, and the welding point of first screw rod and first connecting plate should be established on the side that support piece was kept away from to first connecting plate, so set up second connecting plate and mounting panel, the board is connected on the mounting panel, and the second connecting plate makes mounting panel and first connecting plate have the difference in height, and this difference in height can hold the welding processing point of first screw rod and first connecting plate, makes processing connection structure more reasonable.
According to the utility model discloses a tablet subassembly of second aspect embodiment, include according to the utility model discloses the rotation locking structure of above-mentioned first aspect embodiment, the tablet subassembly still includes the tablet, the tablet with locking piece fixed connection.
According to the utility model discloses tablet subassembly has following beneficial effect at least: by adopting the rotation locking structure, the writing board is arranged on the locking piece, after the angle of the writing board is adjusted, the convex part is sunk into the concave part, the locking nut is locked, the writing board and the supporting piece can be kept fixed, the purpose of adjusting the angle of the writing board is achieved, and different use angle requirements of users are met.
According to the utility model discloses a some embodiments, the tablet subassembly still includes the support, the support includes two montants, two montants be located relatively respectively the left side and the right side of tablet, two montants all be connected with rotate the locking structure, the montant includes support piece, the axis of rotation sets up along left right direction, the locking piece is located being close to of corresponding montant one side of tablet, the locking piece with tablet fixed connection is located left axis of rotation and is located the coaxial setting of axis of rotation on right side, is located left montant and is located the montant on right side and can be close to each other or keep away from.
The two vertical rods are respectively connected with the left side and the right side of the writing board, and the writing board is connected with the vertical rods through the locking piece and rotates. Because the width of the writing board in the left-right direction is unchanged, the distance between the locking piece on the left side and the locking piece on the right side is unchanged, and therefore the two vertical rods are arranged to be close to or far away from each other, so that the convex part can be separated from the concave part when the writing board needs to be rotated, and the writing board can be rotated. The locking through holes and the concave parts are directly machined on the vertical rods, so that the structure is simple, the number of components is small, and the processing and the assembly are convenient.
The utility model is used for the board.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic structural view of a rotation locking structure according to an embodiment of the present invention in a locked state, i.e., when a convex portion is sunk into a concave portion;
fig. 2 is a schematic structural view of the rotation locking structure according to the embodiment of the present invention in a rotation state, i.e. when the convex portion is separated from the concave portion;
fig. 3 is a schematic side view of a rotating member according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a tablet assembly according to an embodiment of the present invention.
In the drawings: 101-support member, 102-locking through hole, 103-recess, 201-rotation shaft, 202-locking member, 203-protrusion, 204-first connecting plate, 205-second connecting plate, 206-mounting plate, 301-locking nut, 401-writing plate, 402-vertical rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly defined, words such as set forth, connected, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the words in the present invention by combining the specific contents of the technical solutions.
A rotation locking structure and a tablet assembly according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
The rotation locking structure includes a support member 101, a rotation member, and a lock nut 301.
The support 101 is provided with a locking through-hole 102 extending in the left-right direction, and the support 101 is provided with a plurality of recesses 103, the plurality of recesses 103 being circumferentially arranged outside the locking through-hole 102.
The rotating member comprises a rotating shaft 201 and a locking member 202, the rotating shaft 201 penetrates through the locking through hole 102, the locking member 202 is fixedly connected to the head end of the rotating shaft 201, the tail end of the rotating shaft 201 is provided with an external thread section, the locking member 202 is provided with a convex part 203 which protrudes towards the supporting member 101, the convex part 203 is arranged on the periphery of the rotating shaft 201, and the convex part 203 is matched with the plurality of concave parts 103.
And a locking nut 301 screwed to the male screw section, the support member 101 being provided between the locking member 202 and the locking nut 301, the locking nut 301 and the locking member 202 clamping and locking the support member 101. The locking nut 301 may optionally be hand-screwed with a larger hand grip to facilitate rotation.
The rotating shaft 201 can rotate in the locking through hole 102, so as to drive the locking piece 202 to rotate relative to the support 101; the convex part 203 on the fixed piece is sunk into the concave part 103 on the support 101, and the plurality of concave parts 103 on the support 101 can correspond to different rotation angles; when the rotating piece and the supporting piece 101 are locked, the locking nut 301 is rotated to enable the rotating piece to approach to the supporting piece 101, the convex part 203 sinks into the corresponding concave part 103 of the locking angle, the rotating piece can be fixed by screwing the locking nut 301, and the rotating piece and the supporting piece 101 are fixed with high stability after being locked due to the matching of the convex part 203 and the concave part 103. When the angle is adjusted, the lock nut 301 is loosened to disengage the convex portion 203 from the concave portion 103, so that the rotary member can be rotated to adjust the angle.
In some embodiments of the present invention, the concave portion 103 is a circular arc groove, and the convex portion 203 is a circular arc protrusion. The arc groove and the arc protrusion are in arc transition at the outer edge, so that the convex part 203 is convenient to sink into or separate from the concave part 103, the arc transition is also beneficial to the rotating part and the supporting part 101 to be far away when the rotating part is rotated, and the action of separating the rotating part from the supporting part 101 by hands is reduced. The arc groove and the arc protrusion can be formed by punching, the processing is convenient, and the groove is arranged on the supporting member 101 and the protrusion is arranged on the locking member 202 because the protrusion is difficult to be arranged on the supporting member 101. The recess 103 may also be provided as a through hole, and the purpose of sinking the protrusion 203 may also be achieved.
In some embodiments of the present invention, the number of the convex portions 203 is plural, and the plural convex portions 203 are disposed corresponding to the plural concave portions 103. The plurality of convex portions 203 are sunk into the plurality of concave portions 103, further making the locking of the rotating member and the supporting member 101 more stable.
In some embodiments of the present invention, the rotating member includes a first screw, the first screw is the rotating shaft 201, the locking member 202 includes a first connecting plate 204, the concave portion 103 is disposed on the first connecting plate 204, the middle portion of the first connecting plate 204 is provided with a first through hole, the head end of the rotating shaft 201 is disposed in the first through hole, the head end of the rotating shaft 201 is connected to the first through hole by welding, the outer edge of the first connecting plate 204 is connected to a second connecting plate 205 extending in a direction away from the first connecting plate 204, the second connecting plate 205 extends to a side away from the supporting member 101, and one side of the second connecting plate 205 away from the first connecting plate 204 is provided with a mounting plate 206.
The rotating part adopts a first screw rod, the first screw rod is penetrated in the first through hole, and then the first screw rod and the first connecting plate 204 are fixed together through welding, so that the rotating part is convenient to process. After the convex part 203 sinks into the concave part 103, the side surface of the first connecting plate 204 close to the supporting part 101 is attached to the supporting part 101 or is close to the supporting part 101, the welding point of the first screw and the first connecting plate 204 is arranged on the side surface of the first connecting plate 204 far from the supporting part 101, the second connecting plate 205 and the mounting plate 206 are arranged, the writing board 401 is connected to the mounting plate 206, the second connecting plate 205 enables the mounting plate 206 and the first connecting plate 204 to have a height difference, and the height difference can accommodate the welding processing point of the first screw and the first connecting plate 204, so that the processing connection structure is more reasonable.
According to the tablet assembly of the second aspect of the present invention, including the rotation locking structure of the first aspect of the present invention, the tablet assembly further includes a tablet 401, and the tablet 401 is fixedly connected to the locking member 202.
According to the utility model discloses the tablet subassembly, through adopting foretell rotation locking structure, the tablet 401 is installed on the locking piece 202, adjusts the angle of tablet 401 after, convex part 203 is absorbed in concave part 103 to locking lock nut 301 can keep the fixed of tablet 401 and support piece 101, reaches the purpose of adjusting the angle of tablet 401, satisfies the different use angle requirement of user. When the writing board is rotated to the horizontal position, the writing board can also be used as a writing desk.
In some embodiments of the utility model, the tablet subassembly still includes the support, the support includes two montants 402, two montants 402 are located the left side and the right side of tablet 401 relatively respectively, two montants 402 all are connected with rotation locking structure, montant 402 includes support piece 101, the axis of rotation 201 sets up along left and right directions, locking piece 202 locates the one side that is close to tablet 401 of corresponding montant 402, locking piece 202 and tablet 401 fixed connection, be located left axis of rotation 201 and be located the coaxial setting of axis of rotation 201 on right side, be located left montant 402 and be located the montant 402 on right side and can be close to each other or keep away from.
The two vertical rods 402 are respectively connected with the left side and the right side of the writing board 401, and the writing board 401 is connected with the vertical rods 402 through the locking member 202 and rotates. Since the width of the tablet 401 in the left-right direction is constant, the distance between the locking member 202 on the left side and the locking member 202 on the right side is constant, and thus the two vertical rods 402 are disposed to be close to or away from each other, so that the convex portion 203 can be disengaged from the concave portion 103 when it is necessary to rotate the tablet 401, and the tablet 401 can be rotated. The locking through hole 102 and the concave part 103 are directly machined on the vertical rod 402, so that the structure is simple, the components are fewer, and the machining and the assembling are convenient. Two montants 402 can be close to each other or keep away from, can set up the horizontal pole that sets up about setting up between two montants 402, and two montants 402 are articulated with both ends about the horizontal pole respectively, and two montants 402 can do the horizontal hunting of certain range when loosening lock nut 301, and the swing range only need satisfy convex part 203 break away from the concave part 103 can, when locking lock nut 301, two montants 402 just fix no longer swing and form stable support. The rotation locking structure can be arranged on only one of the left side or the right side, and the locking effect is also achieved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various equivalent modifications or substitutions can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (6)
1. A rotation locking structure, comprising:
the support piece is provided with a locking through hole extending transversely, and a plurality of concave parts are arranged on the support piece in the circumferential direction and are arranged outside the locking through hole;
the rotating part comprises a rotating shaft and a locking part, the rotating shaft penetrates through the locking through hole, the locking part is fixedly connected to the head end of the rotating shaft, the tail section of the rotating shaft is provided with an external thread section, the locking part is provided with a convex part protruding towards the supporting part, the convex part is arranged on the periphery of the rotating shaft, and the convex part is matched with the concave parts;
a locking nut threadedly connected with the externally threaded section;
the support member is disposed between the locking member and the locking nut.
2. The rotation-locking structure according to claim 1, wherein the concave portion is a circular arc groove, and the convex portion is a circular arc protrusion.
3. The rotation lock structure according to claim 1, wherein the number of the convex portions is plural, and the plural convex portions are provided corresponding to the plural concave portions.
4. The rotational lock structure according to claim 1, wherein the rotational member includes a first screw, the first screw is the rotational shaft, the locking member includes a first connecting plate, the concave portion is disposed on the first connecting plate, a first through hole is disposed in a middle portion of the first connecting plate, a head end of the rotational shaft is disposed in the first through hole, the head end of the rotational shaft is fixedly connected to the first through hole by welding, a second connecting plate extending in a direction away from the first connecting plate is connected to an outer edge of the first connecting plate, the second connecting plate extends to a side away from the supporting member, and a mounting plate is disposed on a side of the second connecting plate away from the first connecting plate.
5. A tablet assembly comprising a rotational locking mechanism according to any of claims 1 to 4, the tablet assembly further comprising a tablet, the tablet being fixedly coupled to the locking member.
6. The tablet assembly of claim 5, further comprising a support, the support including two vertical rods, the two vertical rods being relatively disposed on the left side and the right side of the tablet, the two vertical rods being connected to the rotation locking structure, the vertical rods including the support, the axis of the rotation shaft being disposed along the left-right direction, the locking member being disposed on the side of the corresponding vertical rod near the tablet, the locking member being fixedly connected to the tablet, the rotation shaft disposed on the left side being disposed coaxially with the rotation shaft disposed on the right side, and the vertical rod disposed on the left side and the vertical rod disposed on the right side being capable of being moved closer to or away from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160684.9U CN213075069U (en) | 2020-06-19 | 2020-06-19 | Rotation locking structure and tablet subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160684.9U CN213075069U (en) | 2020-06-19 | 2020-06-19 | Rotation locking structure and tablet subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213075069U true CN213075069U (en) | 2021-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021160684.9U Active CN213075069U (en) | 2020-06-19 | 2020-06-19 | Rotation locking structure and tablet subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213075069U (en) |
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2020
- 2020-06-19 CN CN202021160684.9U patent/CN213075069U/en active Active
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