A magnetic plate mounting bracket for an electric bolt lock

Abstract

The present invention provides an electric bolt magnetic sheet mounting bracket, comprising a bottom plate and a height adjustment mechanism fixedly mounted on the bottom plate, wherein a mounting seat is fixedly arranged at the top end of the height adjustment mechanism, the mounting seat is a hollow cylinder with a "convex"-shaped cross section of its internal space, and the magnetic sheet is fixed at an end of the mounting seat away from the bottom plate by a fastener; the fastener comprises a fastener body, a vertical rod and two elastic sheets, the cross section of the fastener body is arranged in a "convex" shape, the fastener body is fixedly arranged at the top of the vertical rod, the two elastic sheets are both fixedly arranged on the vertical rod and extend obliquely upward to both sides of the vertical rod respectively, the vertical rod and the elastic sheets both pass through a pre-reserved hole on the magnetic sheet to enter the mounting seat, the lower surface of the fastener body abuts against the upper surface of the magnetic sheet, and the upper end of the elastic sheet abuts against the inner wall of the mounting seat upward, which is used to solve the problem in the prior art that a gasket needs to be additionally installed at the position of the pre-reserved hole of a door frame, resulting in inconvenient installation.

Description

Technical Field

[0001] The present invention relates to the technical field of electric mortise lock installation, in particular to an electric mortise lock magnetic sheet mounting bracket. Background Art

[0002] A magnetic sheet is an accessory for electric mortise lock systems, which is mounted on a door frame through a mounting bracket and cooperates with the current control path of the electric mortise lock system to realize the opening and closing function of the door body. For example, Chinese patent CN214943298U, titled a locking device based on an electric mortise lock, in this technical solution, the electric mortise lock is installed through bolts and structural members to realize the opening and closing of a cabinet door. For the gap between the door leaf and the door frame caused by defects such as insufficient installation clearance, misalignment and deviation of the door hinge, this technical solution adds an electromagnetic lock for strong suction of the door leaf to make the fit tighter. However, when applying this technical solution, since the vast majority of electric mortise lock accessories on the market are aluminum magnetic sheets, in actual installation scenarios such as metal door frames of different specifications and metal frames of glass doors, it is usually necessary to adjust the protruding distance of the magnetic sheet relative to the door frame to adapt to the door gap, so as to avoid the situation that the local part of the door leaf is sunken and uneven when the door is in the closed state. In actual operation, technicians usually add gaskets at the pre-opened hole position of the door frame, and then adapt the gaskets to the magnetic sheet, which is very inconvenient to install. Summary of the Invention

[0003] The present invention provides an electric mortise lock magnetic sheet mounting bracket, aiming to provide a mounting bracket that can adjust the mounting height and facilitate the installation of the magnetic sheet, which is used for installing the magnetic sheet into the pre-opened hole of the door frame, so as to solve the problem that it is necessary to add a gasket at the pre-opened hole position of the door frame in the prior art, which causes inconvenient installation.

[0004] The electric mortise lock magnetic sheet mounting bracket provided by the present invention adopts the following technical solution: An electric mortise lock magnetic sheet mounting bracket, comprising a bottom plate and a height adjustment mechanism fixedly installed on the bottom plate, wherein a mounting seat is fixedly arranged at the top end of the height adjustment mechanism, the mounting seat is a hollow cylinder with a convex-shaped cross-section of the internal space, and the magnetic sheet is fixed on an end of the mounting seat away from the bottom plate through a fastener; the fastener comprises a fastener body, a vertical rod and two elastic pieces, the cross-section of the fastener body is arranged in a convex shape, the fastener body is fixedly arranged at the top of the vertical rod, the two elastic pieces are both fixedly arranged on the vertical rod and extend obliquely upward to both sides of the vertical rod respectively, the vertical rod and the elastic pieces both pass through the pre-opened hole on the magnetic sheet and enter the mounting seat, the lower surface of the fastener body abuts against the upper surface of the magnetic sheet, and the upper ends of the elastic pieces abut against the inner wall of the mounting seat upward.

[0005] Preferably, both the fastener body and the vertical rod are made of nylon, and the elastic pieces, the mounting seat, the height adjustment mechanism and the bottom plate are all made of metal.

[0006] Preferably, the height adjustment mechanism includes a drive limiting mechanism, a portal frame, guide rails, and a movable seat; the portal frame is vertically fixed on the base plate, and two guide rails are provided, which are parallel and fixed on both sides of one side of the portal frame; the movable seat includes a fixed seat and two side seats fixedly mounted on the bottom of the fixed seat, with one side of each side seat slidably connected to the two guide rails, the bottom surface of the mounting seat being connected to the top surface of the fixed seat, and the top surface height of the mounting seat not lower than the top surface height of the portal frame; the drive limiting mechanism is fixedly mounted on the base plate and is used to drive the movable seat to slide on the guide rails.

[0007] Preferably, the drive limiting mechanism includes a first hinge seat, a second hinge seat, a rotating member, and a telescopic locking mechanism; the first hinge seat is fixedly disposed on one side of the top surface of the base plate, and the second hinge seat is fixedly disposed on the other side of the top surface of the base plate. The first hinge seat includes a first inclined block with a central protrusion and second inclined blocks fixedly disposed on both sides of the first inclined block, with the inclined surfaces of the second inclined blocks intersecting the inclined surfaces of the first inclined blocks; the rotating member has a "V" shaped cross section, and the tip of the rotating member is hinged to the upper ends of the two second inclined blocks. A clamping interface is fixedly disposed on the side of the rotating member away from the portal frame, and connecting plates are fixedly disposed on both sides of the other side; rollers are rotatably connected to the opposite sides of the two connecting plates, and transverse guide grooves are opened on both side seats, with the two rollers respectively rollingly connected in the two guide grooves; one end of the telescopic locking mechanism is hinged to the second hinge seat, and the other end is fixedly disposed with a connector, which is hinged in the clamping interface.

[0008] Preferably, a protruding first limiting block is fixedly provided on the side of the first inclined block facing the portal frame, and a protruding second limiting block is fixedly provided on the side of the rotating member away from the portal frame. When the roller is located in the guide groove at the end away from the portal frame, the first limiting block and the second limiting block abut against each other.

[0009] Preferably, when the roller is located at the end of the guide groove away from the gantry frame, the center of gravity of the roller, the center of gravity of the tip of the rotating component, and the central axis of the mounting base are in the same plane.

[0010] Preferably, the telescopic locking mechanism includes a cylinder, a rod, a locking seat, an elastic element, and a hollow bolt; the locking seat is fixedly disposed at the opening of the cylinder, and the locking seat is a hollow cylinder with an inverted "convex" shaped internal cross-section; the elastic element is fixedly disposed inside the lower side of the locking seat, the upper side of the elastic element is conical, and the sidewall of the elastic element has a forked structure that can converge towards the central axis; the lower side of the hollow bolt is threaded to the upper side of the locking seat, and the inner side of the bottom of the hollow bolt has a conical surface that can cooperate with the conical surface on the upper side of the elastic element; one end of the rod passes through the hollow bolt and the elastic element in sequence and enters the cylinder.

[0011] Preferably, the base plate has an installation hole on one side below the fixing seat that corresponds to the reserved hole in the door frame, and the other side is connected to the door frame through a traceless installation structure.

[0012] Compared with the prior art, the beneficial technical effects of the present invention are as follows: 1. The magnetic sheet mounting bracket for an electric bolt lock provided by the present invention has a fastener structure with fasteners and springs. The magnetic sheet is pressed and fixed by the downward force of the fastener generated by the cooperation of the spring and the mounting base. The operator only needs to perform one action to complete the installation, which is more convenient.

[0013] 2. In the magnetic plate mounting bracket for an electric lock provided by the present invention, the rotating part is oscillating by adjusting the extension of the round rod. The roller on the rotating part rolls in the guide groove on the moving seat. At this time, as the rotating part with a "V" shaped cross section oscillates, the height of the clamp interface of the rotating part used to install the roller will change, causing the moving seat to move as a whole. The position can be fixed by adjusting the hollow nut. The driving limit mechanism is tilted, so that the stroke of the moving seat is relatively smooth and easy to adjust by micro-distance.

[0014] 3. The component distribution of the height adjustment mechanism of the electric plug magnetic plate mounting bracket provided by the present invention achieves overall mechanical stability. The adjustment is achieved through an inclined telescopic locking mechanism, which is less prone to displacement compared to vertically arranged shims or other structures that directly adjust linear displacement.

[0015] 4. The installation method of the base plate of the electric bolt lock magnetic sheet mounting bracket provided by the present invention is to align the mounting hole on one side with the reserved hole in the door frame, that is, fix the point below the magnetic sheet, and then rotate and adjust the other side of the base plate to meet the requirements of different installation scenarios. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an electric bolt lock magnetic plate mounting bracket according to the present invention; Figure 2 This is a schematic diagram of the fastener and mounting base of the present invention being used to install the magnetic sheet; Figure 3 This is a schematic diagram of the height adjustment mechanism of the present invention; Figure 4 This is a schematic diagram of the rotating component of the present invention; Figure 5 This is a schematic diagram of the structure of the first hinge seat of the present invention; Figure 6 This is an exploded view of the telescopic locking mechanism of the present invention; Figure 7 This is a cross-sectional schematic diagram of the telescopic locking mechanism of the present invention.

[0017] Description of Reference Numerals: 1, base plate; 11, mounting hole; 2, magnetic sheet; 3, mounting base; 4, fastener; 41, buckling member; 42, vertical rod; 43, elastic sheet; 5, height adjustment mechanism; 51, gantry; 52, guide rail; 53, moving base; 54, side base; 55, fixed base; 56, guide groove; 57, limiting member; 6, driving limit mechanism; 61, first hinged base; 62, first inclined block; 63, second inclined block; 64, first limit block; 65, second hinged base; 7, rotating member; 71, clamping sheet interface; 72, connecting sheet; 73, roller; 74, second limit block; 9, telescopic locking mechanism; 91, cylinder; 92, round rod; 93, locking base; 94, elastic member; 95, hollow bolt; 96, joint. DETAILED DESCRIPTION

[0018] Hereinafter in conjunction with the accompan Figure 1-7 ing drawings, the present invention will be further described in detail.

[0019] Embodiments of the present invention disclose an electric mortise lock magnetic sheet mounting bracket, which adopts the following technical solution: A magnetic sheet mounting bracket for an electric mortise lock, comprising a base plate 1 and a height adjustment mechanism 5 fixedly mounted on the base plate 1, wherein a mounting base 3 is fixedly arranged at the top end of the height adjustment mechanism 5, the mounting base 3 is configured as a hollow cylinder with an internal space having a "convex"-shaped cross-section, and the magnetic sheet 2 is fixed at one end of the mounting base 3 away from the base plate 1 by a fastener 4; the fastener 4 comprises a buckling member 41, a vertical rod 42 and two elastic sheets 43, the cross-section of the buckling member 41 is arranged in a "convex" shape, the buckling member 41 is fixedly arranged at the top of the vertical rod 42, the two elastic sheets 43 are both fixedly arranged on the vertical rod 42 and extend obliquely upward to both sides of the vertical rod 42 respectively, the vertical rod 42 and the elastic sheets 43 both pass through pre-reserved holes in the magnetic sheet 2 and enter the mounting base 3, the lower surface of the buckling member 41 abuts against the upper surface of the magnetic sheet 2, and the upper ends of the elastic sheets 43 abut against the inner wall of the mounting base 3 upward.

[0020] Both the buckling member 41 and the vertical rod 42 are made of nylon, and the elastic sheet 43, the mounting base 3, the height adjustment mechanism 5 and the base plate 1 are all made of metal.

[0021] The height adjustment mechanism 5 includes a drive limiting mechanism 6, a portal frame 51, guide rails 52, and a movable seat 53. The portal frame 51 is vertically fixed on the base plate 1. Two guide rails 52 are provided, which are parallel and fixed on both sides of one side of the portal frame 51. Each guide rail 52 has a limiting member 57 fixed at its top to prevent the movable seat from running out. The movable seat 53 includes a fixed seat 55 and two side seats 54 fixed at the bottom of the fixed seat 55. One side of each side seat 54 is slidably connected to the two guide rails 52. The bottom surface of the mounting seat 3 is connected to the top surface of the fixed seat 55, and the height of the top surface of the mounting seat 3 is not lower than the height of the top surface of the portal frame 51. The drive limiting mechanism 6 is fixed on the base plate 1 and is used to drive the movable seat 53 to slide on the guide rails 52.

[0022] The driving limiting mechanism 6 includes a first hinge seat 61, a second hinge seat 65, a rotating member 7, and a telescopic locking mechanism 9. The first hinge seat 61 is fixedly disposed on one side of the top surface of the base plate 1, and the second hinge seat 65 is fixedly disposed on the other side of the top surface of the base plate 1. The first hinge seat 61 includes a first inclined block 62 with a central protrusion and second inclined blocks 63 fixedly disposed on both sides of the first inclined block 62. The inclined surface of the second inclined block 63 intersects with the inclined surface of the first inclined block 62. The rotating member 7 has a V-shaped cross-section. The tip is hinged to the upper end of the two second inclined blocks 63. The rotating part 7 is fixedly provided with a clamping interface 71 on the side away from the portal frame 51, and connecting pieces 72 are fixedly provided on both sides of the other side. Rollers 73 are rotatably connected to the opposite sides of the two connecting pieces 72. Transverse guide grooves 56 are opened on the two side seats 54, and the two rollers 73 are respectively rolled in the two guide grooves 56. One end of the telescopic locking mechanism 9 is hinged to the second hinge seat 65, and the other end is fixedly provided with a connector 96, which is hinged in the clamping interface 71.

[0023] The first inclined block 62 is fixedly provided with a protruding first limiting block 64 on the side facing the gantry frame 51, and the rotating member 7 is fixedly provided with a protruding second limiting block 74 on the side away from the gantry frame 51. When the roller 73 is located in the guide groove 56 at the end away from the gantry frame 51, the first limiting block 64 and the second limiting block 74 abut against each other.

[0024] When the roller 73 is located at the end of the guide groove 56 away from the gantry frame 51, the center of gravity of the roller 73, the center of gravity of the tip of the rotating part 7, and the central axis of the mounting base 3 are in the same plane.

[0025] The telescopic locking mechanism 9 includes a cylinder 91, a rod 92, a locking seat 93, an elastic element 94, and a hollow bolt 95. The locking seat 93 is fixedly disposed at the opening of the cylinder 91, and the locking seat 93 is a hollow cylinder with an inverted "convex" shaped internal cross-section. The elastic element 94 is fixedly disposed on the lower side inside the locking seat 93, and the upper side of the elastic element 94 is conical. The sidewall of the elastic element 94 has a forked structure and can converge towards the central axis. The lower side of the hollow bolt 95 is threaded to the upper side inside the locking seat 93, and the inner bottom of the hollow bolt 95 has a conical surface that can cooperate with the conical surface on the upper side of the elastic element 94. One end of the rod 92 passes through the hollow bolt 95 and the elastic element 94 in sequence and enters the cylinder 91.

[0026] The base plate 1 has an installation hole 11 on one side below the fixing seat 55, which corresponds to the reserved hole in the door frame, and the other side is connected to the door frame through a traceless installation structure.

[0027] The implementation principle of this invention is as follows: (1) Install the magnetic sheet 2 on the mounting base 3. Align the hole on the magnetic sheet 2 for installation with the opening at the top of the mounting base 3. Pass the lower side of the vertical rod 42 and the spring piece 43 together from top to bottom through the hole of the magnetic sheet 2 into the internal space of the mounting base 3 until the magnetic sheet 2 unfolds in the larger space inside the mounting base 3 and abuts against the inner wall of the mounting base 3 to form a fastener 41 to press and fix the magnetic sheet 2.

[0028] (2) The principle of the height adjustment mechanism 5 is to adjust the overall length of the telescopic locking mechanism 9 by extending and retracting the round rod 92 in the cylinder 91, so that the rotating part 7 swings and drives the roller 73 to move in the guide groove 56. It also applies an upward or downward force to drive the moving seat 53 to move on the guide rail 52, thereby realizing the adjustment of the distance between the magnetic sheet 2 and the door frame. (3) The locking seat 93 and the elastic element 94 and hollow bolt 95 are set by the telescopic locking mechanism 9. That is, the hollow bolt 95 is rotated. At this time, the lower end of the hollow bolt 95 sinks in the locking seat 93 and cooperates with the tapered surface of the elastic element 94. The side wall of the elastic element 94 with a bifurcated structure gathers towards the central axis to clamp the round rod 92. The round rod 92 no longer causes the overall length of the telescopic locking mechanism 9 to no longer change. At this time, the rotating part 7 no longer swings, and the distance between the magnetic piece 2 and the door frame no longer changes.

[0029] The above are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A mounting bracket for a magnetic sheet of an electric lock, characterized in that, Comprises a bottom plate (1), and a height adjustment mechanism (5) fixedly mounted on the bottom plate (1), wherein a mounting seat (3) is fixedly arranged at the top end of the height adjustment mechanism (5), the mounting seat (3) is arranged as a hollow cylinder with an internal space having a "convex"-shaped cross section, and the magnetic sheet (2) is fixed on an end of the mounting seat (3) away from the bottom plate (1) via a fastener (4); The fastener (4) comprises a fastener body (41), a vertical rod (42) and two elastic sheets (43), the cross section of the fastener body (41) is arranged in a "convex" shape, the fastener body (41) is fixedly arranged at the top of the vertical rod (42), both of the two elastic sheets (43) are fixedly arranged on the vertical rod (42) and extend obliquely upward to both sides of the vertical rod (42) respectively, the vertical rod (42) and the elastic sheets (43) both pass through a pre-opened hole on the magnetic sheet (2) and enter the mounting seat (3), the lower surface of the fastener body (41) abuts against the upper surface of the magnetic sheet (2), and the upper ends of the elastic sheets (43) upwardly abut against the inner wall of the mounting seat (3); The height adjustment mechanism (5) comprises a driving limiting mechanism (6), a door-shaped frame (51), guide rails (52) and a moving seat (53); The door-shaped frame (51) is vertically and fixedly arranged on the bottom plate (1), two guide rails (52) are provided, the two guide rails (52) are parallel and are respectively and fixedly arranged on both sides of one side of the door-shaped frame (51); The moving seat (53) comprises a fixed seat (55) and two side seats (54) fixedly arranged at the bottom end of the fixed seat (55), one side of each of the two side seats (54) is slidably connected to the two guide rails (52) respectively, the bottom surface of the mounting seat (3) is connected to the top surface of the fixed seat (55), and the height of the top surface of the mounting seat (3) is not lower than the height of the top surface of the door-shaped frame (51); The driving limiting mechanism (6) is fixedly arranged on the bottom plate (1) and is used for driving the moving seat (53) to slide on the guide rails (52); The driving limiting mechanism (6) comprises a first hinge seat (61), a second hinge seat (65), a rotating member (7) and a telescopic locking mechanism (9); The first hinge seat (61) is fixedly arranged on one side of the top surface of the bottom plate (1), the second hinge seat (65) is fixedly arranged on the other side of the top surface of the bottom plate (1), the first hinge seat (61) comprises a first inclined block (62) with a convex middle part and second inclined blocks (63) fixedly arranged on both sides of the first inclined block (62), and the inclined surfaces of the second inclined blocks (63) cross the inclined surface of the first inclined block (62); The cross section of the rotating member (7) is V-shaped, the tip of the rotating member (7) is hinged to the upper ends of the two second inclined blocks (63), a clip interface (71) is fixedly arranged on a side of the rotating member (7) away from the door-shaped frame (51), and connecting sheets (72) are fixedly arranged on both sides of the other side; Rollers (73) are rotatably connected to opposite sides of the two connecting sheets (72), transverse guide grooves (56) are formed on the two side seats (54) respectively, and the two rollers (73) are respectively connected in the two guide grooves (56) in a rolling manner; One end of the telescopic locking mechanism (9) is hinged to the second hinge seat (65), and the other end is fixedly provided with a connector (96), which is hinged in the clip interface (71).

2. The electric bolt lock magnetic plate mounting bracket according to claim 1, characterized in that, The fastener (41) and the vertical rod (42) are both made of nylon, while the spring (43), the mounting base (3), the height adjustment mechanism (5), and the base plate (1) are all made of metal.

3. The electric bolt lock magnetic plate mounting bracket according to claim 1, characterized in that, The first inclined block (62) is fixedly provided with a protruding first limiting block (64) on the side facing the portal frame (51), and the rotating part (7) is fixedly provided with a protruding second limiting block (74) on the side away from the portal frame (51). When the roller (73) is located in the guide groove (56) at one end away from the portal frame (51), the first limiting block (64) and the second limiting block (74) abut against each other.

4. The electric lock magnetic plate mounting bracket according to claim 1, characterized in that, When the roller (73) is located at one end of the guide groove (56) away from the gantry frame (51), the center of gravity of the roller (73), the center of gravity of the tip of the rotating part (7), and the central axis of the mounting base (3) are in the same plane.

5. The electric bolt lock magnetic plate mounting bracket according to claim 1, characterized in that, The telescopic locking mechanism (9) includes a cylinder (91), a rod (92), a locking seat (93), an elastic element (94), and a hollow bolt (95). The locking seat (93) is fixedly installed at the opening of the cylinder (91). The locking seat (93) is a hollow cylinder with an inverted "convex" shape in its internal spatial cross-section. The elastic element (94) is fixedly installed inside the lower side of the locking seat (93). The upper side of the elastic element (94) is tapered. The sidewall of the elastic element (94) is bifurcated and can converge toward the central axis. The hollow bolt (95) is threaded on the lower side and connected to the upper side inside the locking seat (93). The bottom inner side of the hollow bolt (95) is provided with a tapered surface that can cooperate with the tapered surface on the upper side of the elastic element (94). One end of the round rod (92) passes through the hollow bolt (95) and the elastic element (94) in sequence and enters the cylinder (91).

6. The electric bolt lock magnetic plate mounting bracket according to claim 1, characterized in that, The base plate (1) has an installation hole (11) on one side below the fixing seat (55) that corresponds to the reserved hole in the door frame, and the other side is connected to the door frame through a traceless installation structure.

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