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CN-224229909-U - Desk lamp elevating system

CN224229909UCN 224229909 UCN224229909 UCN 224229909UCN-224229909-U

Abstract

The utility model relates to the field of desk lamps, in particular to a desk lamp lifting mechanism. The table lamp lifting mechanism comprises an inner slide bar, an outer slide bar, an inner frame, an outer frame, a limiting tooth and a table lamp elastic piece, wherein the inner slide bar and the outer slide bar slide relatively, the inner frame and the outer frame are fixed to the inner slide bar, the outer frame is fixed to the outer slide bar, a rack is formed on the outer frame, a track sliding groove is formed on the outer surface of the inner slide bar, the track sliding groove extends along the axial direction of the inner slide bar, the rack is arranged in the track sliding groove and slides along the track sliding groove, the inner frame is provided with an inner frame plastic elastic piece capable of undergoing elastic deformation, and the limiting tooth meshed with the rack is formed on the inner frame plastic elastic piece. The desk lamp has the beneficial effects that the user experience of lifting the desk lamp is good. The inner frame plastic elastic sheet is elastically deformed in the lifting process of the desk lamp, and can give out continuous clicking sound, so that clear sound texture for adjusting the distance can be brought to a user. The inner frame plastic elastic sheet can also avoid over-speed sliding.

Inventors

  • CHEN DANFENG

Assignees

  • 宁波颐栎庭园用品有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (10)

  1. 1. A desk lamp lifting mechanism (100) comprises an inner slide rod (10) and an outer slide rod (20), wherein the inner slide rod (10) and the outer slide rod (20) slide relatively, and the desk lamp lifting mechanism (100) is characterized by further comprising an inner frame (30) and an outer frame (40), wherein the inner frame (30) is fixed to the inner slide rod (10), the outer frame (40) is fixed to the outer slide rod (20), a rack (41) is formed on the outer frame (40), a track sliding groove (11) is formed on the outer surface of the inner slide rod (10), the track sliding groove (11) extends along the axial direction of the inner slide rod (10), the rack (41) is arranged in the track sliding groove (11) and slides along the track sliding groove (11), an inner frame plastic (31) capable of being elastically deformed is formed on the inner frame plastic (31), limit teeth (32) meshed with the rack (41) are formed on the inner frame plastic (31), when a user applies external force to enable the inner slide rod (10) to slide relative to the inner slide rod (20) to the limit teeth (32) to the outer slide rod (20), the limit teeth (32) are inserted into two adjacent teeth on the rack (41).
  2. 2. A desk lamp lifting mechanism (100) as recited in claim 1, wherein, The desk lamp lifting mechanism (100) further comprises a locking mechanism (50) for locking and unlocking the relative positions of the inner slide rod (10) and the outer slide rod (20), wherein the locking mechanism (50) comprises a locking seat (51) and a locking piece (52), the locking seat (51) is mounted on the outer slide rod (20), the locking piece (52) is rotatably mounted on the locking seat (51), the inner slide rod (10) is provided with a plurality of lock holes (12), the locking piece (52) is provided with unlocking parts (522) for being pressed by a user and locking tongue parts (521) for being inserted into the lock holes (12), the unlocking parts (522) and the locking tongue parts (521) are located on two sides of a rotation axis of the locking piece (52) relative to the locking seat (51), the locking seat (51) is provided with a locking seat (513) for exerting a force for preventing the locking tongue parts (521) from being separated from the lock holes (12), and the locking piece (52) is abutted against the locking piece (52) when the locking piece (522) is pressed by the user relative to the locking seat (52), when the unlocking part (522) is not applied with external force applied by a user, the locking seat plastic elastic sheet (513) pushes the locking piece (52) to rotate relative to the locking seat (51) when the unlocking part (521) is aligned with the locking hole (12), and the locking tongue part (521) is inserted into the locking hole (12).
  3. 3. A desk lamp lifting mechanism (100) as recited in claim 2, wherein, The locking seat (51) is provided with a limiting part (511) and a buckling structure (512), the outer sliding rod (20) is provided with a mounting hole, the locking seat (51) is inserted into the mounting hole from the outer side of the outer sliding rod (20), the limiting part (511) is abutted with the outer wall surface of the outer sliding rod (20), and the buckling structure (512) hooks the inner wall surface of the mounting hole.
  4. 4. A desk lamp lifting mechanism (100) as recited in claim 3, wherein, The locking seat (51) is arranged around the locking piece (52), and the buckling structures (512) formed by the locking seat (51) are symmetrically arranged on two sides of the locking piece (52).
  5. 5. A desk lamp lifting mechanism (100) as recited in claim 1, wherein, The number of racks (41) formed by the outer frame (40) is two, the number of track sliding grooves (11) formed by the outer surface of the inner sliding rod (10) is two, the two track sliding grooves (11) are symmetrically arranged on two sides of the inner sliding rod (10), the inner frame plastic elastic sheets (31) are arranged in pairs, and the limit teeth (32) of the two inner frame plastic elastic sheets (31) arranged in pairs are respectively aligned with the racks (41) on two sides.
  6. 6. A desk lamp lifting mechanism (100) as recited in claim 5, wherein, In the axial direction of the inner slide bar (10), the inner frame (30) is provided with a plurality of groups of inner frame plastic elastic sheets (31) which are arranged in pairs.
  7. 7. A desk lamp lifting mechanism (100) as recited in claim 5, wherein, The outer frame (40) comprises an upper ring (42), a lower ring (43) and two racks (41) which are integrally formed, wherein the upper ends of the two racks (41) are connected to the upper ring (42), the lower ends of the two racks (41) are connected to the lower ring (43), and the inner sliding rod (10) penetrates through the upper ring (42).
  8. 8. A desk lamp lifting mechanism (100) as recited in claim 7, wherein, The upper ring (42) is abutted with the end face of the outer slide rod (20), and the lower ring (43) is positioned in the outer slide rod (20) and fixedly connected with the outer slide rod (20).
  9. 9. A desk lamp lifting mechanism (100) as recited in claim 1, wherein, The inner frame (30) is fixed to the inner portion of the inner slide rod (10), the outer frame (40) is fixed to the inner portion of the outer slide rod (20), the inner slide rod (10) is formed with an exposed groove for exposing the limiting teeth (32), and the exposed groove is located at the bottom of the track sliding groove (11).
  10. 10. A desk lamp lifting mechanism (100) as recited in claim 9, wherein, The inner frame plastic elastic sheet (31) is positioned in the exposed groove, and the inner frame (30) is provided with a central through hole extending along the axial direction of the inner slide rod (10).

Description

Desk lamp elevating system Technical Field The utility model relates to the field of desk lamps, in particular to a desk lamp lifting mechanism. Background The desk lamp is a lamp used on the desk, so that a user can obtain enough light when reading data or processing files, and only eye fatigue caused by insufficient light is avoided. The lamp cap can be lifted by the desk lamp lifting mechanism. The lifting experience of the traditional desk lamp lifting mechanism is relatively poor. Disclosure of utility model The utility model aims to provide a table lamp lifting mechanism for solving the problems in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: A lifting mechanism for a desk lamp comprises an inner slide bar, an outer slide bar, an inner frame, an outer frame, a rack, a track sliding groove, an inner frame plastic spring plate, a limiting tooth and a limiting tooth, wherein the inner slide bar and the outer slide bar slide relatively, the inner frame and the outer frame are fixed to the inner slide bar, the outer frame is fixed to the outer slide bar, the rack is formed on the outer frame, the track sliding groove is formed on the outer surface of the inner slide bar, the track sliding groove extends along the axial direction of the inner slide bar, the rack is arranged in the track sliding groove and slides along the track sliding groove, the inner frame is formed with the inner frame plastic spring plate capable of being elastically deformed, the limiting tooth is formed on the inner frame plastic spring plate and is meshed with the rack, the limiting tooth is elastically deformed under the action of external force applied by a user to enable the inner slide bar to slide relatively to the outer slide bar, and the limiting tooth is inserted into two adjacent teeth on the rack when external force applied by the user to enable the inner slide bar relatively to slide relatively to the outer slide bar is not applied. The table lamp lifting mechanism further comprises a locking mechanism used for locking and unlocking the relative positions of the inner slide rod and the outer slide rod, the locking mechanism comprises a locking seat and a locking piece, the locking seat is mounted on the outer slide rod, the locking piece is rotatably mounted on the locking seat, the inner slide rod is provided with a plurality of lock holes, the locking piece is provided with unlocking parts used for being pressed by a user and locking tongue parts used for being inserted into the lock holes, the unlocking parts and the locking tongue parts are positioned on two sides of a rotation axis of the locking piece relative to the locking seat, the locking seat is provided with locking seat plastic elastic pieces used for exerting force for preventing the locking tongue parts from being separated from the lock holes, the locking seat plastic elastic pieces are abutted against the locking piece, when the unlocking parts are pressed by the user, the locking seat plastic elastic pieces exert force for enabling the locking seat plastic elastic pieces to elastically deform, the locking tongue parts are pulled out of the lock holes, when the locking tongue parts are aligned with the locking seat plastic elastic pieces, and the locking tongue parts are pushed to rotate relative to the locking seat plastic elastic pieces when the locking tongue parts are not exerted by the user. The locking seat is provided with a limiting part and a buckling structure, the outer slide rod is provided with a mounting hole, the locking seat is inserted into the mounting hole from the outer side of the outer slide rod, the limiting part is abutted with the outer wall surface of the outer slide rod, and the buckling structure hooks the inner wall surface of the mounting hole. As a further scheme of the utility model, the locking seat is arranged around the locking piece, and the buckling structures formed by the locking seat are symmetrically arranged on two sides of the locking piece. The utility model further provides a scheme that the number of racks formed by the outer frame is two, the number of track sliding grooves formed on the outer surface of the inner sliding rod is two, the two track sliding grooves are symmetrically arranged on two sides of the inner sliding rod, the inner frame plastic elastic sheets are arranged in pairs, and limiting teeth of the two inner frame plastic elastic sheets arranged in pairs are aligned with the racks on two sides respectively. As a further scheme of the utility model, a plurality of groups of inner frame plastic elastic sheets which are arranged in pairs are formed on the inner frame in the axial direction of the inner slide bar. The outer frame comprises an upper ring, a lower ring and two racks which are integrally formed, wherein the upper ends of the two racks are connected to the upper ring, the lower ends of the two racks ar