Lock cylinder box fixing structure

The lock cylinder box structure, which is clamped by rotating parts and stepped parts, combined with elastic parts for restraint, solves the problem of unstable lock cylinder box fixation, achieves stable installation and simplified operation, and is suitable for profile fixing parts with various hole diameters and thicknesses.

CN224048875UActive Publication Date: 2026-03-27徐志克
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing method of fixing the lock cylinder box is inconvenient to operate and is prone to loosening, resulting in insecure installation and the risk of the lock cylinder box detaching from the keyhole.

Method used

The lock cylinder box structure adopts a rotating part and a stepped part for clamping. The rotating part and the stepped part achieve radial and axial positioning in the lock hole. Combined with the elastic part, the movement of the rotating part is restricted to prevent loosening and simplify the installation operation.

Benefits of technology

It achieves a stable installation of the lock cylinder box, preventing loosening and detachment, simplifies the installation process, adapts to profile fasteners with different hole diameters and thicknesses, has a simple structure, and has a small number of parts.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224048875U_ABST
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Abstract

The utility model discloses a lock cylinder box fixing structure which comprises a lock cylinder box body and a sectional material fixing piece provided with a lock hole, a step portion is arranged at the outer end of the lock cylinder box body, rotating pieces are arranged on the two side faces, close to the outer end, of the lock cylinder box body respectively, rotating fulcrums are arranged between the rotating pieces and the lock cylinder box body, and the other ends of the rotating pieces rotate around the rotating fulcrums. The lock cylinder box body is provided with an adjusting screw, the outer end of the adjusting screw abuts against the rotating pieces, when the inner end of the lock cylinder box body is inserted into the lock hole till the step portion abuts against the outer end of the sectional material fixing piece for limiting, the adjusting screw rotates in the unscrewing direction, the adjusting screw enables the two rotating pieces to rotate in the opposite directions, and the rotating pieces abut against the lock hole. And the rotating piece and the step part clamp the profile fixing piece. The lock cylinder box body is clamped and fixed in the lock hole through the rotating piece and the step portion to achieve radial and axial positioning, the lock cylinder box body is not prone to loosening and shaking and firm and stable in installation, the lock cylinder box body does not need to be disassembled and assembled again, installation operation is simplified, and installation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a lock technology field, concretely relates to a lock cylinder box fixing structure of lock. BACKGROUND

[0002] At present, the lock on market needs the lock cylinder box of lock to be fixed in the door and window when installing in the door and window. The lock cylinder box has two fixing modes. One is that the lock cylinder box passes through the lock hole of the section member, a fixing piece parallel to the section member is arranged on the lock cylinder box, the fixing piece is provided with a screw hole and a bolt screwed with the screw hole, the bolt is screwed to make the tail of the bolt abut against the inner side of the section member to prevent the lock cylinder box from separating from the lock hole. The other is that the lock cylinder box passes through the lock hole of the section member, a sleeve ring is arranged on the lock cylinder box along the length direction, the sleeve ring is provided with a long hole, the lock cylinder box is provided with a screw hole, the outer end of the sleeve ring is moved to abut against the inner side of the section member, a position of the long hole is aligned with the screw hole, a locking screw is screwed with the long hole and the screw hole, and the nut of the locking screw presses the movable sleeve and the lock cylinder box.

[0003] The two fixing modes have the problem that the fixing piece or the sleeve ring needs to be taken down and installed again when the lock cylinder box passes through the lock hole, which leads to inconvenient installation operation. Therefore, the fixing piece or the sleeve ring is packaged as a separate part when leaving the factory, and the situation of missing or lacking exists. Moreover, the bolt or the locking screw is loose with the increase of the use time after the lock cylinder box is installed, which leads to the problem that the lock cylinder box is not fixed firmly and the lock cylinder box shakes, and the lock cylinder box can even separate from the lock hole in a serious case. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lock cylinder box fixing structure which is stable in installation.

[0005] The utility model is realized in the following way.

[0006] A lock cylinder box fixing structure comprises a lock cylinder box body and a section fixing piece, the section fixing piece is provided with a lock hole through which the lock cylinder box body passes, the outer end of the lock cylinder box body is provided with a step part, the two side surfaces of the lock cylinder box body close to the outer end are respectively provided with rotating pieces, rotating branch points are arranged between the one end of the rotating piece close to the section fixing piece and the lock cylinder box body, the one end of the rotating piece away from the section fixing piece rotates around the rotating branch point, the lock cylinder box body is provided with adjusting screws corresponding to the rotating pieces, the outer end of the adjusting screw abuts against the rotating piece, the rotating piece is provided with a gap corresponding to the adjusting screw, when the inner end of the lock cylinder box body is inserted into the lock hole until the step part abuts against the outer end of the section fixing piece and is limited, the adjusting screw is rotated in the unscrewing direction, the adjusting screw drives the rotating piece to rotate, the two rotating pieces rotate in the opposite directions, the two rotating pieces respectively abut against the lock hole, and the rotating piece and the step part clamp the section fixing piece.

[0007] The lock cylinder box body is clamped in the lock hole through the rotating piece and the step part to realize radial and axial positioning, the lock cylinder box body is not prone to loosening and shaking, is firmly and stably installed, moreover, the rotating piece and the lock cylinder box body are preassembled together, do not need to be disassembled and assembled again, the installation operation is simplified, and installation is facilitated.

[0008] Further, the elastic member is arranged between the rotating piece and the lock cylinder box body, and the elastic force of the elastic member is used to rotate the two rotating pieces towards each other until the rotating piece and the adjusting screw abut.

[0009] The elastic member limits the movement direction of the rotating piece and prevents the adjusting screw from loosening.

[0010] Further, the lock cylinder box body is provided with a clearance hole corresponding to the two rotating pieces, and the elastic member is arranged in the clearance hole.

[0011] One spring fixes two rotating pieces, the overall structure is simple, the number of parts is small, and the volume of the lock cylinder is prevented from being increased.

[0012] Further, the rotating piece is provided with a hollow part between the rotating fulcrum and the clearance gap, the hollow part is provided with a fixing arm, the fixing arm is provided with a fixing position, and the end of the elastic member is connected and fixed with the fixing position.

[0013] The spring is simple to install and easy to use.

[0014] Further, the front and rear sides of the lock cylinder box body close to the outer end are respectively provided with the rotating piece, the top and bottom of the rotating piece extend out rotating parts towards the top and bottom surfaces of the lock cylinder box body, the rotating parts are provided with arc grooves and abutting surfaces, the top and bottom surfaces of the lock cylinder box body are respectively provided with convex shafts, the convex shafts form the rotating fulcrums, the adjusting screw is screwed into the lock cylinder box body, the abutting surfaces of the corresponding rotating parts of the two rotating pieces abut, the arc grooves and the convex shafts are rotationally connected, the rotating parts are provided with clearance parts corresponding to the arc grooves, and the clearance parts make the two rotating pieces move without interference.

[0015] The rotating part limits the rotating direction of the rotating piece, and the clearance part avoids interference caused by the movement of the rotating pieces in opposite directions.

[0016] Further, the arc groove is arranged at one end of the rotating piece protruding from the profile fixing piece.

[0017] The rotating piece has a large rotating range, is suitable for lock holes with different depths, and avoids movement interference between the rotating piece and the lock cylinder box body.

[0018] Further, the lock cylinder box body is provided with an adjusting screw hole in threaded connection with the adjusting screw, and the adjusting screw hole is aligned with the clearance gap.

[0019] The adjusting screw is convenient to adjust.

[0020] The lock cylinder box body is clamped in the lock hole through the rotating piece and the step part to realize radial and axial positioning, and the lock cylinder box body is not prone to loosening and shaking, and is firmly and stably installed. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an installation schematic view of the embodiment one.

[0022] Figure 2 It is an exploded structural schematic view of the embodiment one.

[0023] Figure 3 It is an exploded structural schematic view of the lock cylinder box in the embodiment one.

[0024] Figure 4 It is a sectional structural schematic view of the lock cylinder box in the embodiment one (lock cylinder box installation or disassembly state).

[0025] Figure 5 It is a sectional structural schematic view of the lock cylinder box in the embodiment one (lock cylinder box fastening state). DETAILED DESCRIPTION

[0026] The utility model will be further described in connection with the drawings and the embodiment.

[0027] Embodiment one, referring to Figures 1-5 A lock cylinder box fixing structure, comprising a lock cylinder box body 1, a profile fixing piece 2, a rotating piece 3, an elastic piece 4 and an adjusting screw 5.

[0028] The profile fixing piece 2 is provided with a lock hole 21 for the lock cylinder box body 1 to pass through, and the outer end of the lock cylinder box body 1 is provided with a step part 11. The two rotating pieces 3 are symmetrically arranged on the two side surfaces of the lock cylinder box body 1 close to the outer end, and the rotating piece 3 is provided with a rotating support point 30 between the end close to the profile fixing piece 2 and the lock cylinder box body 1. The lock cylinder box body 1 is provided with an adjusting screw hole 12 threadedly connected with the adjusting screw 5, and the adjusting screw hole 12 is aligned with the gap 31.

[0029] Specifically, the front and rear sides of the lock cylinder box body 1 near the outer end are respectively provided with the rotating members 3, the top and bottom sides of the rotating members 3 extend out rotating parts 6 from the top and bottom surfaces of the lock cylinder box body 1, the rotating parts 6 are provided with circular arc grooves 61 and abutting surfaces 62, the top and bottom surfaces of the lock cylinder box body 1 are respectively provided with convex shafts 13, the convex shafts 13 constitute the rotating fulcrums 30, the adjusting screws 5 are screwed into the lock cylinder box body 1, the abutting surfaces 62 of the corresponding rotating parts 6 of the two rotating members 3 abut against each other, the circular arc grooves 61 and the convex shafts 13 are rotationally connected, the rotating parts 6 are provided with accommodation parts 63 corresponding to the circular arc grooves 61, and the accommodation parts 63 enable the two rotating members 3 to move without interference. Preferably, the circular arc grooves 61 are arranged at the rotating parts 6 protruding from the rotating members 3 near one end of the profile fixing member 2. The cross section of the rotating member 3 and the rotating parts 6 on both sides is in the shape of a V.

[0030] The rotating members 3 are provided with hollow parts 32 between the rotating fulcrums 30 and the accommodation notches 31, the hollow parts 32 are provided with fixed arms 33, the fixed arms 33 are provided with fixed positions 34, the lock cylinder box body 1 is provided with accommodation holes 14 corresponding to the hollow parts 32 of the two rotating members 3, the elastic members 4 are arranged in the accommodation holes 14, the elastic force of the elastic members 4 enables the two rotating members 3 to rotate in the opposite direction until the rotating members 3 and the adjusting screws 5 abut against each other. Preferably, the elastic members 4 are tension springs 41, the two ends of the tension springs 41 respectively extend out of the accommodation holes 14 and are connected and fixed with the corresponding rotating members 3, that is, the end of the elastic member 4 is connected and fixed with the fixed position 34, and the elastic force of the tension spring 41 enables the two rotating members 3 to rotate in the opposite direction.

[0031] In the state of mounting or dismounting the lock cylinder box, the adjusting screws 5 are tightened by the screwdriver through the accommodation notches 31, that is, the heads of the adjusting screws 5 are sunk into the adjusting screw holes 12, at this time, the rotating members 3 abut against the side wall of the lock cylinder box body 1, that is, the abutting surfaces 62 of the two rotating members 3 abut against each other. In this state, the lock cylinder box body 1 can be directly inserted into or pulled out of the lock hole 21 of the profile fixing member 2.

[0032] In the fastening process of the lock cylinder box, when the inner end of the lock cylinder box body 1 is inserted into the lock hole 21 until the stepped part 11 abuts against and is limited by the outer end of the profile fixing member 2, the adjusting screws 5 are rotated in the loosening direction, the heads of the adjusting screws 5 push the rotating members 3 to rotate, the two rotating members 3 rotate in the opposite direction, that is, the two rotating members 3 are in the open state and stretch the tension springs 41, the rotating members 3 abut against the lock hole 21, so as to realize that the rotating members 3 and the stepped part 11 axially clamp the profile fixing member 2, and at the same time, the rotating members 3 also eliminate the gap between the lock hole 21 and the lock cylinder box body 1 in the radial direction. After the lock cylinder box is fastened, if the adjusting screws 5 are loosened from the adjusting screw holes 12 in the use process, that is, the adjusting screws 5 push the two rotating members 3 to open, but the rotating members 3 cannot continue to open due to the limitation of the lock hole 21, so as to limit the loosening of the adjusting screws 5, and at the same time, the tension springs 41 also press the adjusting screws 5 in the adjusting screw holes 12, which also plays a role in limiting the loosening of the adjusting screws 5.

[0033] The utility model discloses, in rotating piece 3 rotation design, can adapt to multiple aperture lock hole 21 and multiple thickness section bar fixing piece 2, the more wide scope of application.

[0034] As used in the utility model, the terms first, second, etc. do not denote any order, quantity, or importance, but are used only for differentiation.

[0035] As used in the utility model, the terms one, a, etc. do not denote a limitation on quantity, but denote the existence of at least one mentioned object.

[0036] As used in the utility model, the terms indicating direction or position, such as front end, rear end, top, bottom, side, longitudinal, transverse, middle, center, outer, inner, horizontal, vertical, left, right, upper, lower, etc., mean reflecting relative position, not absolute position.

[0037] As used in the utility model, the terms substantially, overall, approximately, similar, etc. are limiting terms for indicating the existence of characteristics but allowing certain deviations. The amount of allowable deviation can vary depending on the specific context.

Claims

1. A lock cylinder box fixing structure, comprising a lock cylinder box body (1) and a profile fixing member (2), wherein the profile fixing member (2) is provided with a lock hole (21) through which the lock cylinder box body (1) passes, characterized in that, The lock cylinder box body (1) has a stepped part (11) at the outer end. The lock cylinder box body (1) has two rotating parts (3) on its two sides near the outer end. The rotating part (3) has a rotating fulcrum (30) between the end of the rotating part (3) near the profile fixing part (2) and the lock cylinder box body (1). The end of the rotating part (3) away from the profile fixing part (2) rotates around the rotating fulcrum (30). The lock cylinder box body (1) has an adjusting screw (5) corresponding to the rotating part (3). The outer end of the adjusting screw (5) abuts against the rotating part (3). The rotating part (3) has a clearance notch (31) corresponding to the adjusting screw (5). When the inner end of the lock cylinder body (1) is inserted into the lock hole (21) until the step part (11) and the outer end of the profile fixing part (2) are abutted and limited, the adjusting screw (5) is rotated in the loosening direction, the adjusting screw (5) pushes the rotating part (3) to rotate, so that the two rotating parts (3) rotate in opposite directions, and the two rotating parts (3) abut against the lock hole (21) respectively, and the rotating part (3) and the step part (11) clamp the profile fixing part (2).

2. The lock cylinder box fixing structure according to claim 1, characterized in that, An elastic element (4) is provided between the rotating part (3) and the lock cylinder body (1). The elastic force of the elastic element (4) causes the two rotating parts (3) to rotate in opposite directions until the rotating part (3) and the adjusting screw (5) abut against each other.

3. The lock cylinder box fixing structure according to claim 2, characterized in that, The lock cylinder body (1) has a clearance hole (14) for two rotating parts (3). The elastic part (4) is set in the clearance hole (14). The elastic part (4) is a tension spring (41). The two ends of the tension spring (41) extend out of the clearance hole (14) and are connected and fixed to the corresponding rotating parts (3). The elastic force of the tension spring (41) pulls the two rotating parts (3) to rotate in opposite directions.

4. The lock cylinder box fixing structure according to claim 3, characterized in that, The rotating part (3) has a hollow part (32) between the corresponding rotation fulcrum (30) and the clearance notch (31). The hollow part (32) has a fixed arm (33) inside. The fixed arm (33) has a fixed position (34). The end of the elastic part (4) is connected and fixed to the fixed position (34).

5. The lock cylinder box fixing structure according to claim 1, characterized in that, The front and rear sides of the lock cylinder body (1) near the outer end are respectively provided with the rotating parts (3). The top and bottom of the rotating parts (3) extend into the top and bottom surfaces of the lock cylinder body (1) respectively. The rotating parts (6) are provided with arc grooves (61) and abutting surfaces (62). The top and bottom surfaces of the lock cylinder body (1) are respectively provided with convex shafts (13). The convex shafts (13) form the rotation fulcrum (30). The adjusting screw (5) is screwed into the lock cylinder body (1). The abutting surfaces (62) of the corresponding rotating parts (6) of the two rotating parts (3) abut against each other. The arc grooves (61) and convex shafts (13) are rotatably connected. The rotating parts (6) are provided with relief parts (63) corresponding to the arc grooves (61). The relief parts (63) prevent the movement of the two rotating parts (3) from interfering.

6. The lock cylinder box fixing structure according to claim 1, characterized in that, An arc groove (61) is provided on the rotating part (6) protruding from the rotating part (3) and close to one end of the profile fixing part (2).

7. The lock cylinder box fixing structure according to claim 1, characterized in that, The lock cylinder body (1) is provided with an adjustment screw hole (12) that is threadedly connected to the adjustment screw (5), and the adjustment screw hole (12) is aligned with the clearance notch (31).