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CN-122004636-A - Mechanism for fixing curtain without mounting screw

CN122004636ACN 122004636 ACN122004636 ACN 122004636ACN-122004636-A

Abstract

The invention discloses a mechanism for fixing a curtain without installing screws, which belongs to the technical field of curtain equipment, and comprises a fixed track for installing a roller shutter, wherein at least one end of the fixed track is provided with a telescopic jacking part for propping against a mounting surface, the telescopic jacking part comprises a locking part and a jacking part, the locking part is in sliding connection with the fixed track, a locking mechanism is arranged on the locking part and forms releasable locking fit with the fixed track, one end of the jacking part extends to protrude out of the end side of the fixed track where the locking part is arranged, the other end of the jacking part is in transmission connection fit with the locking part, when the locking part moves close to the end side of the fixed track where the locking part is arranged, the extending end of the jacking part moves along with the end side of the fixed track, the telescopic jacking part is provided with a fine tuning part, and the fine tuning part has the capability of driving the extending end of the jacking part to move towards the end side far from the fixed track and keeping a movement trend.

Inventors

  • WANG HAIYAN
  • CHEN YALI

Assignees

  • 浙江丽盛遮阳科技有限公司

Dates

Publication Date
20260512
Application Date
20260323

Claims (12)

  1. 1. The mechanism for fixing the curtain without installing the screw is characterized by comprising a fixed rail (1) for installing the rolling curtain, wherein the fixed rail (1) is provided with a telescopic jacking part (2) for propping against a mounting surface at least at one end; The telescopic jacking part (2) comprises a locking part (21) and a jacking part (22), wherein the locking part (21) is in sliding connection with the fixed rail (1), a locking mechanism (23) is arranged on the locking part (21) and forms releasable locking fit with the fixed rail (1), one end of the jacking part (22) extends and protrudes out of the end side of the fixed rail (1) where the locking part (21) is arranged, the other end of the jacking part is in transmission connection fit with the locking part (21), and when the locking part (21) moves close to the end side of the fixed rail (1) where the locking part (21) is positioned, the extending end of the jacking part (22) moves in a follow-up way away from the end side of the fixed rail (1); The telescopic jacking part (2) is provided with a fine adjustment part (3), and the fine adjustment part (3) has the capability of driving the extending end of the jacking part (22) to move towards the end side far away from the fixed rail (1) and keeping the movement trend.
  2. 2. The mechanism for fixing a curtain by using a mounting-free screw according to claim 1, wherein the fixed rail (1) is provided with a sliding guide rail (11) extending to the end part, the locking part (21) is provided with a clamping part (211) jogged with the sliding guide rail (11) so as to form sliding fit connection along the extending direction of the fixed rail (1), the locking mechanism (23) comprises a locking stop part (231) and a locking driving end (232), and the locking stop part (231) is connected with the locking part (21) and forms stop fit controlled by the locking driving end (232) with the sliding guide rail (11).
  3. 3. The mechanism for fixing a curtain without installing a screw according to claim 2, wherein the locking mechanism (23) further comprises a spring (233), the locking stop part (231) is rotatably connected with the locking stop part (21), the locking stop part (231) is provided with a ratchet (2311) extending from one side close to the sliding guide rail (11), the back of the ratchet (2311) faces one side close to the end of the fixed rail (1), the locking drive end (232) is fixedly arranged on the radial outer side of the rotating shaft of the locking stop part (231), one end of the spring (233) is abutted against the locking drive end (232), the other end of the spring (233) is fixedly arranged on an external component, so that the spring (233) is elastically changed when the locking stop part (231) rotates, the spring (233) is always in a compressed state, the locking stop part (231) is driven to rotate until the ratchet (2311) is abutted against and fixed to the sliding guide rail (11) in a normal state, and the ratchet (2311) rotates away from the sliding guide rail (11) in an unlocking state.
  4. 4. The mechanism for fixing a curtain without installing a screw according to claim 3, wherein the fixed rail (1) is provided with a pair of sliding guide rails (11) in parallel, the locking mechanism (23) comprises a group of locking stop parts (231) which are symmetrically arranged, mutually meshed transmission teeth (2312) are arranged on adjacent sides of the two locking stop parts (231), two ends of the spring (233) are respectively abutted to the two locking driving ends (232), and ratchets (2311) of the two locking stop parts (231) are respectively abutted to and fixed with one sliding guide rail (11).
  5. 5. The mechanism for fixing a window curtain without installing a screw according to claim 4, wherein the locking part (21) is fixedly provided with a spring limiting part (213), and the spring limiting part (213) surrounds the periphery of the spring (233) to limit the radial swing of the spring (233).
  6. 6. The screw-free curtain fixing mechanism according to claim 2, wherein the locking mechanism (23) further comprises a driving handle (234), the locking driving end (232) comprises a cam shaft (2321) fixedly connected to the end portion of the driving handle (234), the fixing rail (1) is provided with a pair of sliding guide rails (11) in parallel, a locking stop portion (231) fixedly connected with the locking portion (21) is arranged on the adjacent side of each sliding guide rail (11) between the two sliding guide rails (11), the locking stop portion (231) has the capacity of bending deformation to the sliding guide rails (11), friction teeth (2313) are formed on one side, close to the sliding guide rails (11), of each of the two locking stop portions (231), adjacent sides of the two locking stop portions (231) are separated from each other at intervals, an expansion groove (2314) is formed, the cam shaft (2321) is rotatably arranged in the expansion groove (2314), and only when the large end of the cam shaft (2321) points to the wall surface of the expansion groove (2314), the cam shaft (2321) is simultaneously pressed against the two bending wall surfaces of the expansion groove (2314) to force the two locking stop portions (2313) to be pressed against the friction teeth of the sliding guide rails (2313).
  7. 7. The mechanism for fixing a curtain by using a mounting-free screw according to claim 2, wherein the fine adjustment part (3) is rotatably arranged between the locking part (21) and the propping part (22), the fine adjustment part (3) is coaxially provided with a cam block (31) which rotates with follow-up, and when the large end of the cam block (31) rotates to be directed to the locking part (21) and/or the propping part (22), the cam block (31) is propped between the locking part (21) and the propping part (22) so as to have a trend of forcing the locking part (21) and the propping part (22) to be separated from each other.
  8. 8. The mechanism for screw-fixing a window covering without installation according to claim 7, wherein the cam block (31) is provided with a rotation stopping surface at least at its large end, so that the large end and the pressing end form a rotation stopping self-locking fit when the large end rotates to be directed to the locking part (21) and/or the pressing part (22).
  9. 9. The screw-fixing curtain mechanism according to claim 8, wherein the cam curvature of the cam block (31) gradually decreases in a direction approaching the rotation stop surface at the large end, and the friction force of the cam block (31) against the pressing end gradually exceeds the component force of the driving force in a process that the large end of the cam block (31) rotates to be directed to the locking part (21) and/or the pressing part (22).
  10. 10. The mechanism for fixing the curtain by using the mounting-free screw as claimed in claim 6, wherein the locking part (21) is provided with a shaft embedding groove (212), the fine adjusting part (3) is rotatably arranged in the shaft embedding groove (212), the shaft embedding groove (212) is provided with a protruding limit edge (2121), and the limit edge (2121) is in sliding contact with the fine adjusting part (3) to form a detachable limit connection fit.
  11. 11. The mechanism for fixing a curtain by using a screw without mounting according to claim 2, wherein the side end of the locking part (21) extends to the horizontal side of the sliding guide rail (11) and corresponds to the clamping part (211) at intervals, the sliding guide rail (11) is positioned between the clamping part (211) and the extending end of the locking part (21), the extending end of the locking part (21) is in threaded connection with a screw, the locking stop part (231) is the front end of the screw and fixedly abutted against the sliding guide rail (11) to form a stop connection fit, and the locking driving end (232) is the rear end of the screw for controlling the screw to rotate.
  12. 12. The mechanism for fixing a curtain by using a mounting-free screw according to claim 1, wherein the fixing rail (1) is provided with a telescopic groove (12), the propping part (22) is movably embedded in the telescopic groove (12), and the other end of the propping part (22) is provided with an anti-slip pad (221).

Description

Mechanism for fixing curtain without mounting screw Technical Field The invention belongs to the technical field of curtain equipment, and particularly relates to a mechanism for fixing a curtain without installing screws. Background The installation and fixation of traditional curtain need use self-tapping screw or expansion screw etc. to need destroy the fixed connection spare of installation face to in order to guarantee technical requirement such as levelness, the firmness of curtain installation, the installer needs certain degree technical expertise, in addition, use the curtain of this kind of destructive fixed connection spare installation, still be inconvenient for in the follow-up use dismouting adjustment curtain's mounted position. Along with the improvement of the requirements of the market on the installation stability and the operation convenience of the curtain, the curtain fixed by the mounting-free screw is widely applied to the scenes such as home, office and the like by virtue of the advantage that a self-tapping screw or an expansion screw is not required to be used for fixing a curtain mechanism. However, the structure of the telescopic screw thread type top fastening and fixing mechanism adopted by the existing curtain without installing screws is heavy, the occupied volume of a structural cavity is large, a stable and simple locking mechanism and mechanism are lacked, a special quick unlocking structure is not arranged, a special tool is needed to be used in disassembly, and targeted improvement is needed. Disclosure of Invention Aiming at the technical problems mentioned in the background art, a mechanism for fixing a curtain without installing screws is provided, which adopts the following technical scheme: The invention discloses a mechanism for fixing a curtain without installing a screw, which comprises a fixed track for installing a rolling curtain, wherein at least one end of the fixed track is provided with a telescopic jacking part for propping against a mounting surface, the telescopic jacking part comprises a locking part and a jacking part, the locking part is in sliding connection with the fixed track, the locking part is provided with a locking mechanism which can form releasable locking fit with the fixed track, one end of the jacking part extends to protrude out of the end side of the fixed track where the locking part is arranged, the other end of the jacking part is in transmission connection fit with the locking part, when the locking part moves close to the end side of the fixed track where the locking part is located, the extending end of the jacking part moves along with the end side of the fixed track, and the telescopic jacking part is provided with a fine tuning part which has the capability of driving the extending end of the jacking part to move towards the end side far from the fixed track and keeping a movement trend. The locking mechanism comprises a locking stop part and a locking driving end, wherein the locking stop part is connected with the locking part and forms stop fit with the sliding guide rail under the control of the locking driving end. The locking mechanism further comprises a spring, the locking stopping part is rotationally connected with the locking part, a ratchet is formed on one side, close to the sliding guide rail, of the locking stopping part in an extending mode, the back of the ratchet faces one side, close to the end portion of the fixed rail, of the locking stopping part, the locking driving end is fixedly arranged on the radial outer side of a rotating shaft of the locking stopping part, one end of the spring is abutted to the locking driving end, the other end of the spring is fixedly arranged on an external component, when the locking stopping part rotates, the spring is elastically changed, the spring is always in a compressed state, the locking stopping part is driven to rotate until the ratchet abuts against and is fixedly arranged on the sliding guide rail in a normal state, and in an unlocking state, the locking stopping part rotates, and the ratchet is separated from the sliding guide rail. As a further improvement of the invention, a pair of sliding guide rails are arranged on the fixed rail in parallel, the locking mechanism comprises a group of locking stop parts which are symmetrically arranged, the adjacent sides of the two locking stop parts are provided with mutually meshed transmission teeth, the two ends of the spring are respectively abutted to the two locking driving ends, and the ratchets of the two locking stop parts are respectively abutted to and fixed with one sliding guide rail. As a further improvement of the invention, the locking part is fixedly provided with a spring limiting part, and the spring limiting part surrounds the periphery of the spring so as to limit the radial swing of the spring. The locking mechanism further comprises a driving handle, the locking driving end comprises a cam shaft fi