Anti-idling adapter for writing board
By designing an anti-air rotation adapter, the pin rod and hollow aluminum tube are fixed with small bolts to ensure that the rotating cap and hollow aluminum tube rotate simultaneously, solving the loosening problem caused by torque in the existing technology and achieving a stable connection of the adapter .
Patent Information
- Application Number
- CN202420132629.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-19
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-19
AI Technical Summary
In the existing writing board adapters, the torque acts on the bolts, causing it to loosen, and the twisting cap and the rotating tube cannot be firmly fixed, resulting in unstable movement of the roller to switch the color-changing cloth.
An anti-aircraft transfer member including an intermediate ring, a latch block, a butt block, a latch component and a rolling component is designed. The latch rod and hollow aluminum tube are fixed by small bolts to ensure that the latch rod and hollow aluminum tube rotate synchronously and pass through the latch. The block is connected to the rotating cap to ensure that the rotating cap is securely secured with the hollow aluminum tube.
Effectively prevent the pin rod from idling in the hollow aluminum tube, ensuring that the rotating cap and the hollow aluminum tube rotate simultaneously, avoiding loosening problems caused by torque, and achieving firm fixation of the adapter.
Smart Images

Figure CN222159422U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of writing boards, in particular to an anti-idling adapter for writing boards. Background Art
[0002] The accessories of the writing board need to use a roller, which rolls the color-changing cloth to move, thereby switching the color-changing cloth. The roller is fixed on the adapter, which consists of a rotating tube and a twisting cap. The roller is fixed on the rotating tube, and the rotating tube is rotatably arranged in the writing board through a bearing.
[0003] In the adapter in the prior art, the twisting cap is fixed to the end of the rotating tube by a bolt, wherein the rotating tube, the bolt and the twisting cap are coaxially arranged. When in use, the twisting cap is turned by hand to make the roller, the rotating tube, the bolt and the twisting cap rotate synchronously, so that the roller drives the color-changing cloth to switch, and the twisting cap drives the bolt and the rotating tube in turn. The twisting cap cannot drive the rotating tube directly, and the torque needs to be transmitted to the rotating tube through the bolt. The torque acts on the bolt, causing it to loosen, and the twisting cap and the rotating tube cannot be firmly fixed. Therefore, it is necessary to provide an anti-idling adapter for a writing board. Utility Model Content
[0004] The utility model aims to solve the problem in the prior art that the torsion force on the bolt causes the bolt to loosen and the twisting cap and the rotating tube cannot be firmly fixed, thereby providing an anti-idling adapter for a writing board.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-idle rotation adapter for a writing board, comprising an intermediate ring and a pin block integrally formed at one end thereof, a docking block integrally formed at the other end of the intermediate ring, a fixing bolt threadedly embedded at one end of the pin block, a rotating cap detachably nested at one end of the pin block through the fixing bolt, a pin component integrally formed at one end of the docking block, a fixing ring movably sleeved on the docking block, a plurality of small bolts threadedly penetrated in the pin component, a rolling component detachably installed on the pin component through the small bolts, two spacers movably sleeved on the rolling component, and a supporting ring movably sleeved at one end of the rolling component.
[0006] Further preferably, the latch component is a latch rod, the rolling component is a hollow aluminum tube, one end of the docking block is integrally formed with the latch rod, and the hollow aluminum tube is movably sleeved on the latch rod.
[0007] Further preferably, a notch is formed at one end of the latch rod, and a protrusion is integrally formed on the top of the docking block, and the protrusion of the docking block matches the notch of the latch rod.
[0008] Further preferably, one end opening of the hollow aluminum tube is provided with a latch hole, a small bolt and the hollow aluminum tube are kept vertical, and the small bolt passes through the latch rod.
[0009] Further preferably, a notch is provided at the end of the hollow aluminum tube, the protrusion of the docking block matches the notch of the hollow aluminum tube, and the docking block and the latch block are both in the shape of a rectangular parallelepiped.
[0010] Further preferably, the latch component is a latch rod, the rolling component is an arc-shaped plate, one end of the docking block is integrally formed with the latch rod, and two arc-shaped plates are detachably mounted on the latch rod by small bolts.
[0011] Further preferably, separation plates are movably sleeved at both ends of the arc-shaped plates, small bolts are threadedly penetrated at both ends of the two arc-shaped plates, the arc-shaped plates are semicircular, and the shape of the arc-shaped plates matches the latch rod.
[0012] Further preferably, the latch component is a clamping bolt, the rolling component is a clamping plate, two clamping bolts are integrally formed at one end of the docking block, and the clamping plate is detachably mounted on the clamping bolt by means of small bolts.
[0013] Further preferably, the two ends of the clamping plate are movably sleeved with separators, two clamping bolts are provided at both ends of the two clamping bolts, small bolt threads penetrate the two clamping bolts and the two clamping plates, and the two clamping plates are located in the middle of the two clamping bolts.
[0014] The beneficial effects of the utility model are as follows: the latch rod is inserted into the hollow aluminum tube, a small bolt passes through the hollow aluminum tube and the latch rod, the latch rod and the hollow aluminum tube are fixed, the latch rod is prevented from idling in the hollow aluminum tube, the latch rod and the hollow aluminum tube are ensured to be firmly fixed, the latch block is inserted into the middle of the rotating cap, the latch block is in the shape of a rectangular parallelepiped, the latch block and the rotating cap rotate synchronously, the rotating cap and the hollow aluminum tube are ensured to rotate synchronously, the rotating cap and the hollow aluminum tube are firmly fixed and will not loosen. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the utility model;
[0016] Figure 2 This is a disassembly diagram of a hollow aluminum tube according to the first embodiment of the utility model;
[0017] Figure 3 This is a schematic structural diagram of the second embodiment of the utility model;
[0018] Figure 4 It is a schematic structural diagram of the third embodiment of the utility model.
[0019] In the figure: hollow aluminum tube 1, support ring 2, latch rod 3, docking block 4, middle ring 5, latch block 6, small bolt 7, fixing ring 8, rotating cap 9, separator 10, fixing bolt 11, arc plate 12, clamping bolt 13, clamping plate 14. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example
[0021] Reference Figure 1 to Figure 2 , an anti-idling adapter for a writing board, comprising an intermediate ring 5 and a latch block 6 integrally formed at one end thereof, a docking block 4 integrally formed at the other end of the intermediate ring 5, a fixing bolt 11 threadedly embedded at one end of the latch block 6, a rotating cap 9 detachably nested through the fixing bolt 11 at one end of the latch block 6, a latch component integrally formed at one end of the docking block 4, a fixing ring 8 movably sleeved on the docking block 4, a plurality of small bolts 7 threadedly penetrated in the latch component, a rolling component detachably installed on the latch component through the small bolts 7, two spacers 10 movably sleeved on the rolling component, and a support ring 2 movably sleeved at one end of the rolling component.
[0022] Preferably, a notch is formed at one end of the latch rod 3, and a protrusion is integrally formed on the top of the docking block 4. The protrusion of the docking block 4 matches the notch of the latch rod 3, and the protrusion of the docking block 4 is snapped into the notch of the latch rod 3, so that the docking block 4 and the latch rod 3 are firmly fixed.
[0023] Preferably, a latch hole is provided at an opening at one end of the hollow aluminum tube 1, the small bolt 7 and the hollow aluminum tube 1 are kept vertical, the latch rod 3 is inserted into one end of the hollow aluminum tube 1, the small bolt 7 is inserted into the latch hole of the hollow aluminum tube 1, and the small bolt 7 then passes through the latch rod 3, and the latch rod 3 and the hollow aluminum tube 1 are fixed by the small bolt 7 to ensure that the latch rod 3 and the hollow aluminum tube 1 are fixed together.
[0024] Preferably, a notch is provided at the end of the hollow aluminum tube 1, and the protrusion of the docking block 4 is matched with the notch of the hollow aluminum tube 1. The docking block 4 and the latch block 6 are both rectangular, and the protrusion of the docking block 4 is inserted into the notch of the hollow aluminum tube 1 to ensure that the hollow aluminum tube 1 and the docking block 4 are firmly fixed. The latch block 6 is inserted into the middle of the rotating cap 9. Since the latch block 6 is square, after the latch block 6 is connected to the rotating cap 9, the rotating cap 9 and the latch block 6 rotate synchronously.
[0025] Among them, the edge of the fixing ring 8 is integrally formed with ears, and the ears of the fixing ring 8 can be installed at the desired position by bolts. The docking block 4 passes through the middle of the fixing ring 8, and the docking block 4 is connected to the middle of the fixing ring 8 through a bearing. Example
[0026] The difference from the first embodiment is that, please refer to Figure 3 The latch component is a latch rod 3, the rolling component is an arc plate 12, one end of the docking block 4 is integrally formed with a latch rod 3, two arc plates 12 are detachably mounted on the latch rod 3 through a small bolt 7, both ends of the arc plate 12 are movably sleeved with a separator 10, both ends of the two arc plates 12 are threaded with a small bolt 7, the arc plate 12 is semicircular, and the shape of the arc plate 12 is adapted to the latch rod 3;
[0027] During specific implementation, two arc plates 12 clamp two latch rods 3, and small bolts 7 are threadedly inserted into the two arc plates 12, so that the latch rods 3 are fixed in the middle of the two arc plates 12. The gap between the two arc plates 12 can clamp the color-changing cloth, so that the color-changing cloth can be wrapped around the two arc plates 12 by rotating the two arc plates 12, and the separator 10 limits the edge of the color-changing cloth. Example
[0028] The difference from the first embodiment is that, please refer to Figure 4 The latch component is a clamping bolt 13, and the rolling component is a clamping plate 14. Two clamping bolts 13 are integrally formed at one end of the docking block 4. The clamping plate 14 is detachably mounted on the clamping bolt 13 through a small bolt 7. The two ends of the clamping plate 14 are movably sleeved with a separator 10. Two clamping bolts 13 are arranged at both ends of the two clamping bolts 13. The small bolt 7 is threadedly penetrated through the two clamping bolts 13 and the two clamping plates 14. The two clamping plates 14 are located in the middle of the two clamping bolts 13.
[0029] During specific implementation, the spacing between the two clamping bolts 13 is greater than the thickness of the two clamping plates 14, and the small bolts 7 are threadedly penetrated into the two clamping bolts 13 and the two clamping plates 14 to fix the two clamping bolts 13 and the two clamping plates 14 together. The two clamping plates 14 clamp the color-changing cloth, so that the two clamping plates 14 are rotated to wrap the color-changing cloth around the two clamping plates 14, and the separator 10 limits the edge of the color-changing cloth.
[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An anti-idling adapter for a writing board, comprising an intermediate ring (5) and an integrally formed latch block (6) at one end thereof, characterized in that: The other end of the middle ring (5) is integrally formed with a docking block (4), one end of the latch block (6) is threadedly embedded with a fixing bolt (11), one end of the docking block (4) is integrally formed with a latch component, a plurality of small bolts (7) are threadedly penetrated in the latch component, a rolling component is detachably mounted on the latch component via the small bolts (7), and two spacers (10) are movably sleeved on the rolling component.
2. The anti-idling adapter for a writing board according to claim 1, characterized in that: The latch component is a latch rod (3), the rolling component is a hollow aluminum tube (1), one end of the docking block (4) is integrally formed with the latch rod (3), and the hollow aluminum tube (1) is movably sleeved on the latch rod (3).
3. The anti-idling adapter for a writing board according to claim 2, characterized in that: A notch is formed at one end of the latch rod (3), and a protrusion is integrally formed on the top of the docking block (4), and the protrusion of the docking block (4) is matched with the notch of the latch rod (3).
4. The anti-idling adapter for a writing board according to claim 2, characterized in that: One end opening of the hollow aluminum tube (1) is provided with a latch hole, the small bolt (7) and the hollow aluminum tube (1) are kept vertical, and the small bolt (7) passes through the latch rod (3).
5. The anti-idling adapter for a writing board according to claim 2, characterized in that: A notch is provided at the end of the hollow aluminum tube (1), and the protrusion of the docking block (4) fits in the notch of the hollow aluminum tube (1). The docking block (4) and the latch block (6) are both in the shape of a rectangular parallelepiped.
6. The anti-idling adapter for a writing board according to claim 1, characterized in that: The latch component is a latch rod (3), the rolling component is an arc-shaped plate (12), one end of the docking block (4) is integrally formed with the latch rod (3), and two arc-shaped plates (12) are detachably mounted on the latch rod (3) via small bolts (7).
7. The anti-idling adapter for a writing board according to claim 6, characterized in that: The two ends of the arc plate (12) are movably sleeved with a separator (10), and small bolts (7) are threadedly penetrated through the two ends of the two arc plates (12). The arc plate (12) is semicircular, and the shape of the arc plate (12) is compatible with the latch rod (3).
8. The anti-idling adapter for a writing board according to claim 1, characterized in that: The latch component is a clamping bolt (13), the rolling component is a clamping plate (14), one end of the docking block (4) is integrally formed with two clamping bolts (13), and the clamping plate (14) is detachably mounted on the clamping bolt (13) via a small bolt (7).
9. The anti-idling adapter for a writing board according to claim 8, characterized in that: The two ends of the clamping plate (14) are movably sleeved with a separator (10), and two clamping bolts (13) are provided at both ends of the two clamping bolts (13). The small bolts (7) are threadedly penetrated through the two clamping bolts (13) and the two clamping plates (14), and the two clamping plates (14) are located in the middle of the two clamping bolts (13).
