Table lamp hinge joint with mechanical feeling
By designing a mechanical-like desk lamp articulation head, and using the snap connection between the ball and the arc groove to achieve limit and support, the existing desk lamp has solved the problems of poor adjustment accuracy and poor stability, and achieved a high-precision, stable and convenient adjustment process.
Patent Information
- Application Number
- CN202422228011.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing desk lamps have poor adjustment accuracy, poor stability of the support after adjustment, and the damping hinges are prone to wear and tear, so they need to be fastened manually, which causes inconvenience to users.
A mechanical-like desk lamp hinge is designed. Through the rotatable hinge of the support arm and the adjustment arm, the ball and arc groove are clamped to form a limit, providing stable support, and the frictional resistance is replaced by the clamped connection between the ball and arc groove, avoiding the problems of looseness and insufficient support caused by wear.
It does not rebound or shake after adjustment, ensures adjustment accuracy and support stability, avoids loosening and insufficient support due to wear, and does not require manual routine tightening, which provides convenience to users and enhances the mechanical and fun of the adjustment process.
Smart Images
Figure CN222747202U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of table lamp equipment, and in particular relates to a table lamp hinge with a mechanical feel. Background Art
[0002] With the continuous development of electronic technology, people's requirements for electronic products are getting higher and higher, and the requirements for the performance of desk lamps are becoming more and more stringent. At present, various types of desk lamps have appeared on the market. For the convenience of use, some desk lamps also have angle adjustment functions. Desk lamps generally achieve angle adjustment functions through serpentine tubes, metal hoses or mechanical arm hinges; the adjustment method of serpentine tubes or metal hoses has poor adjustment accuracy and poor support stability after adjustment; the adjustment method of mechanical arm hinges has damping hinges that are easy to wear and need to be tightened manually frequently, which brings inconvenience to users. Summary of the invention
[0003] In order to overcome the problems of poor adjustment accuracy of existing desk lamps in the background technology, poor stability of the support after adjustment, easy wear of the damping hinge, and frequent manual tightening, which brings inconvenience to the user, the utility model provides a hinged head of a desk lamp with a mechanical feel. In the utility model, the hinged ends of the support arm 1 and the adjustment arm 3 are respectively installed with a fixed hemispherical head 2 and a movable hemispherical head 4, one side of the limit arm 5 is fixedly installed on the shaft sleeve 41, and the other side is rotatably connected to the rotating shaft 21 to realize the rotatable hinge of the support arm 1 and the adjustment arm 3. The ball 7 at the end of the limit arm 5 is clamped with the arc groove 22 to form a limit, which ensures that there will be no rebound or shaking after adjustment, and the adjustment accuracy is guaranteed. The stability of the support after adjustment is poor; the support force is provided by the engagement of the ball 7 and the arc groove 22 instead of the friction resistance in the prior art, thereby avoiding the problems of looseness and insufficient support force caused by wear, and no manual tightening is required, which provides convenience for the user; during the adjustment process, the force of the arc groove 22 on the ball 7 overcomes the elastic force of the spring 6, compresses the ball 7, and the ball 7 is separated from the limit of the arc groove 22 and then the ball 7 is engaged with the next arc groove 22; under the elastic force of the spring 6, the ball 7 quickly pops out and engages with the arc groove 22, so that the adjustment process has a mechanical sense of pause and click, which enhances the operator's sensory experience and enhances the fun of adjustment.
[0004] To achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a hinged joint of a desk lamp with a mechanical sense mainly includes a support arm 1, a fixed hemispherical head 2, an adjusting arm 3, a movable hemispherical head 4, a limit arm 5, a spring 6, and a ball 7. The fixed hemispherical head 2 is installed on the top of the support arm 1, and a rotating shaft 21 is provided in the fixed hemispherical head 2. The movable hemispherical head 4 is installed at the front end of the adjusting arm 3. A sleeve 41 is provided in the movable hemispherical head 4. One side of the limit arm 5 is fixedly installed on the sleeve 41, and the other side of the limit arm 5 is rotatably connected to the rotating shaft 21 through a bearing. The limit arm 5 is in the fixed hemispherical head 2, and a mounting hole 51 is provided at the end of the limit arm 5. The ball 7 compresses the spring 6 and is installed in the mounting hole 51. The end of the ball 7 is a ball head structure, and an arc groove 22 matching the end of the ball 7 is provided in the fixed hemispherical head 2. The end of the ball 7 is limited and clamped in the arc groove 22.
[0005] Furthermore, the limiting arm 5 is a cross-shaped supporting arm, with a through hole installed with the rotating shaft 21 and the sleeve 41 in the middle, and a spring 6 and a ball 7 are installed on the top of each end.
[0006] Furthermore, the movable hemispherical head 4 is provided with a mounting arm 42 , and a connecting plate 31 connected to the mounting arm 42 is provided in the adjusting arm 3 . The movable hemispherical head 4 is inserted into the adjusting arm 3 through the mounting arm 42 and fixedly connected to the connecting plate 31 by screws.
[0007] Furthermore, the fixed hemispherical head 2 is provided with a connecting arm 23, and the support arm 1 is provided with a web 11 connected to the connecting arm 23. The fixed hemispherical head 2 is inserted into the support arm 1 through the connecting arm 23 and fixed to the web 11 by screws.
[0008] Furthermore, the support arm 1 and the adjustment arm 3 have semicircular cross-sections, the axis of the rotating shaft 21 of the fixed hemispherical head 2 is in the same plane as the side of the support arm 1 , and the axis of the sleeve 41 of the movable hemispherical head 4 is in the same plane as the side of the adjustment arm 3 .
[0009] Furthermore, a quarter-spherical protective bowl 24 is provided on the fixed hemispherical head 2 at the same center, and the two planes of the protective bowl 24 are parallel to the side plane and the end face of the support arm 1 respectively; a quarter-spherical protective cover 43 is provided on the movable hemispherical head 4 at the same center, and the two planes of the protective cover 43 are parallel to the side plane and the end face of the adjusting arm 3 respectively.
[0010] Beneficial effects of the utility model:
[0011] The support arm and the adjustment arm of the utility model are respectively equipped with a fixed hemispherical head and a movable hemispherical head at the hinged ends, and one side of the limit arm is fixedly installed on the shaft sleeve and the other side is rotatably connected to the rotating shaft to realize the rotatable hinge of the support arm and the adjustment arm, and a limit is formed by the clamping connection of the ball at the end of the limit arm and the arc groove, so that there will be no rebound or shaking after adjustment, and the adjustment accuracy and the stability of the support after adjustment are guaranteed; the support force is provided by the clamping connection of the ball and the arc groove instead of the friction resistance in the prior art, so as to avoid the problems of looseness and insufficient support force caused by wear, and there is no need for manual frequent tightening, which provides convenience for users; during the adjustment process, the force of the arc groove on the ball overcomes the elastic force of the spring, compresses the ball, and the ball is separated from the limit of the arc groove and then the ball is clamped to the next arc groove; under the action of the elastic force of the spring, the ball quickly pops out and clamps with the arc groove, so that the adjustment process has a mechanical sense of pause and click, which enhances the sensory experience of the operator and enhances the fun of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional schematic diagram of the working state of the utility model.
[0013] Figure 2 It is a three-dimensional schematic diagram of the utility model in a non-working state.
[0014] Figure 3 The utility model is a three-dimensional schematic diagram of an adjusting arm, a movable hemispherical head, a limiting arm, a spring and a ball.
[0015] Figure 4 yes Figure 3 The structure shown lacks a three-dimensional schematic diagram of the state of the adjustment arm.
[0016] Figure 5 It is a three-dimensional schematic diagram of the regulating arm of the utility model.
[0017] Figure 6 It is a three-dimensional schematic diagram of the support arm and the fixed hemispherical head of the utility model.
[0018] Figure 7 It is a three-dimensional schematic diagram of a fixed hemispherical head of the utility model.
[0019] Figure 8 It is a three-dimensional schematic diagram of the local structure of the support arm of the utility model. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.
[0021] The utility model discloses a hinged head of a desk lamp with a mechanical sense, which mainly comprises a support arm 1, a fixed hemispherical head 2, an adjusting arm 3, a movable hemispherical head 4, a limiting arm 5, a spring 6, and a ball 7. The fixed hemispherical head 2 is installed on the top of the support arm 1, a rotating shaft 21 is arranged in the fixed hemispherical head 2, the movable hemispherical head 4 is arranged on the front end of the adjusting arm 3, a shaft sleeve 41 is arranged in the movable hemispherical head 4, one side of the limiting arm 5 is fixedly installed on the shaft sleeve 41, and the other side of the limiting arm 5 is rotatably connected with the rotating shaft 21 through a bearing, the limiting arm 5 is in the fixed hemispherical head 2, a mounting hole 51 is arranged at the end of the limiting arm 5, the ball 7 compresses the spring 6 and is arranged in the mounting hole 51, the end of the ball 7 is a ball head structure, an arc groove 22 matching the end of the ball 7 is arranged in the fixed hemispherical head 2, and the end of the ball 7 is limitedly clamped in the arc groove 22; the desk lamp shade 8 is installed at the end of the adjusting arm 3; the hinged ends of the support arm 1 and the adjusting arm 3 are respectively installed with The hemispherical head 2 and the movable hemispherical head 4 are fixedly mounted on one side of the limit arm 5 on the shaft sleeve 41, and the other side is rotatably connected to the rotating shaft 21 to realize the rotatable hinge connection of the support arm 1 and the adjustment arm 3. The ball 7 at the end of the limit arm 5 is engaged with the arc groove 22 to form a limit, which ensures that there will be no rebound or shaking after adjustment, and ensures the poor stability of the support after adjustment; the support force is provided by the engagement of the ball 7 with the arc groove 22 instead of the friction resistance in the prior art, avoiding the problems of looseness and insufficient support force caused by wear, and no manual tightening is required, which provides convenience for the user; during the adjustment process, the force of the arc groove 22 on the ball 7 overcomes the elastic force of the spring 6, compresses the ball 7, and the ball 7 is separated from the limit of the arc groove 22 and then the ball 7 is engaged with the next arc groove 22; under the elastic force of the spring 6, the ball 7 pops out quickly and engages with the arc groove 22, so that the adjustment process has a mechanical sense of pause and click, which enhances the operator's sensory experience and the fun of adjustment.
[0022] The limit arm 5 is a cross-shaped support arm, with a through hole installed with the rotating shaft 21 and the sleeve 41 in the middle, and a spring 6 and a ball 7 installed on the top of each end; the mechanical sense of the pause and click sound is enhanced, and the support stability is improved.
[0023] The movable hemispherical head 4 is provided with a mounting arm 42, and a connecting plate 31 connected to the mounting arm 42 is provided in the adjusting arm 3. The movable hemispherical head 4 is inserted into the adjusting arm 3 through the mounting arm 42 and is fixed with screws to the connecting plate 31, and the connection is stable and reliable.
[0024] The fixed hemispherical head 2 is provided with a connecting arm 23, and the supporting arm 1 is provided with a web 11 connected to the connecting arm 23. The fixed hemispherical head 2 is inserted into the supporting arm 1 through the connecting arm 23 and fixed to the web 11 by screws, and the connection is stable and reliable.
[0025] The support arm 1 and the adjustment arm 3 are semicircular in cross section, the axis of the rotating shaft 21 of the fixed hemispherical head 2 is in the same plane as the side of the support arm 1, and the axis of the sleeve 41 of the movable hemispherical head 4 is in the same plane as the side of the adjustment arm 3, so that the support arm 1 and the adjustment arm 3 form a cylinder (such as Figure 2 As shown), it is convenient for storage when not in use and reduces space occupancy.
[0026] A quarter-spherical protective bowl 24 is provided on the fixed hemispherical head 2 at the same center, and the two planes of the protective bowl 24 are parallel to the side plane and the end face of the support arm 1 respectively; a quarter-spherical protective cover 43 is provided on the movable hemispherical head 4 at the same center, and the two planes of the protective cover 43 are parallel to the side plane and the end face of the adjusting arm 3 respectively, which protects the fixed hemispherical head 2 and the movable hemispherical head 4 and makes the appearance of the desk lamp beautiful.
[0027] Working process:
[0028] The support arm 1 and the adjustment arm 3 are respectively provided with a fixed hemispherical head 2 and a movable hemispherical head 4 at the hinged ends. One side of the limit arm 5 is fixedly installed on the shaft sleeve 41 and the other side is rotatably connected to the rotating shaft 21 to realize the rotatable hinge of the support arm 1 and the adjustment arm 3. The ball 7 at the end of the limit arm 5 is engaged with the arc groove 22 to form a limit, so as to ensure that there will be no rebound or shaking after adjustment, and to ensure the adjustment accuracy and the stability of the support after adjustment. The support force is provided by engaging the ball 7 with the arc groove 22 instead of the friction resistance in the prior art. It avoids the problems of looseness and insufficient supporting force caused by wear, and does not require frequent manual tightening, providing convenience for users. During the adjustment process, the force of the arc groove 22 on the ball 7 overcomes the elastic force of the spring 6, compresses the ball 7, and the ball 7 breaks away from the limit of the arc groove 22 and then the ball 7 is clamped to the next arc groove 22. Under the elastic force of the spring 6, the ball 7 pops out quickly and clamps with the arc groove 22, so that the adjustment process has a mechanical sense of pause and click, which enhances the operator's sensory experience and enhances the fun of adjustment.
[0029] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.
Claims
1. A mechanical-feeling desk lamp hinge, characterized in that: The hinged joint of the desk lamp with a mechanical feel comprises a support arm (1), a fixed hemispherical head (2), an adjusting arm (3), a movable hemispherical head (4), a limiting arm (5), a spring (6), and a ball (7). The fixed hemispherical head (2) is mounted on the top of the support arm (1), a rotating shaft (21) is arranged in the fixed hemispherical head (2), the movable hemispherical head (4) is mounted on the front end of the adjusting arm (3), a shaft sleeve (41) is arranged in the movable hemispherical head (4), and one side of the limiting arm (5) is fixedly mounted The limiting arm (5) is mounted on the shaft sleeve (41). The other side of the limiting arm (5) is rotatably connected to the rotating shaft (21) via a bearing. The limiting arm (5) is located in the fixed hemispherical head (2). A mounting hole (51) is provided at the end of the limiting arm (5). The ball (7) compresses the spring (6) and is mounted in the mounting hole (51). The end of the ball (7) is a ball head structure. An arc groove (22) matching the end of the ball (7) is provided in the fixed hemispherical head (2). The end of the ball (7) is limitedly clamped in the arc groove (22).
2. A mechanical desk lamp hinge as claimed in claim 1, characterized in that: The limit arm (5) is a cross-shaped support arm, with a through hole installed with the rotating shaft (21) and the shaft sleeve (41) in the middle, and a spring (6) and a ball (7) are installed on the top of each end.
3. A hinged head of a table lamp with a mechanical feel as claimed in claim 1 or 2, characterized in that: The movable hemispherical head (4) is provided with a mounting arm (42), and a connecting plate (31) connected to the mounting arm (42) is provided in the adjusting arm (3). The movable hemispherical head (4) is inserted into the adjusting arm (3) through the mounting arm (42) and is fixedly connected to the connecting plate (31) by screws.
4. A mechanical desk lamp hinge as claimed in claim 3, characterized in that: The fixed hemispherical head (2) is provided with a connecting arm (23), and a web (11) connected to the connecting arm (23) is provided in the support arm (1). The fixed hemispherical head (2) is inserted into the support arm (1) through the connecting arm (23) and is fixed to the web (11) by screws.
5. A hinged head for a table lamp with a mechanical feel as claimed in any one of claims 1, 2 and 4, characterized in that: The support arm (1) and the adjustment arm (3) have semicircular cross-sections, the axis of the rotating shaft (21) of the fixed hemispherical head (2) and the side surface of the support arm (1) are in the same plane, and the axis of the shaft sleeve (41) of the movable hemispherical head (4) and the side surface of the adjustment arm (3) are in the same plane.
6. A mechanical-feeling table lamp hinge as claimed in claim 5, characterized in that: A quarter-spherical protective bowl (24) is provided on the fixed hemispherical head (2) at the same center, and two planes of the protective bowl (24) are respectively parallel to the side plane and the end surface of the support arm (1); a quarter-spherical protective cover (43) is provided on the movable hemispherical head (4) at the same center, and two planes of the protective cover (43) are respectively parallel to the side plane and the end surface of the adjustment arm (3).