Indoor universal lock applied to door leaves and door thicknesses of different types

By designing an indoor universal lock with external and internal handle components, and using a magnetic lock box to fix it to the wall profile, the problem of universality for door panels of different materials and thicknesses is solved, and the aesthetics and security are improved.

CN223593931UActive Publication Date: 2025-11-25FOSHAN SHENGUAN HARDWARE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422373207.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-28
Publication Date
2025-11-25
Estimated Expiration
2034-09-28

AI Technical Summary

Technical Problem

Existing door locks require drilling holes in the door leaf for installation, resulting in an unsightly appearance and lack of universality. They cannot be used with door bodies of different materials and thicknesses, and the purchase cost is high.

Method used

Design an indoor universal lock that includes an outer handle assembly and an inner handle assembly. The lock is connected by a flat bar and fixed to the wall profile using a magnetic lock box. It supports door panels of different thicknesses and materials. The outer handle assembly and the inner handle assembly are connected by a hollow square bar. The lock tongue is connected to the magnetic lock box via the magnetic lock box, enabling both inward and outward opening.

Benefits of technology

It can be used on door panels of different materials and thicknesses, and can be opened from both inside and outside, improving safety, avoiding the self-locking dilemma for the elderly and children, adding a locking function, and enhancing aesthetics.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223593931U_ABST
    Figure CN223593931U_ABST
Patent Text Reader

Abstract

The utility model discloses an indoor general lock applicable to different types of door leaves and door thicknesses, which comprises an outer handle component and an inner handle component, the outer handle component and the inner handle component are connected through a flat strip, a hollow square strip is arranged between the outer handle component and the inner handle component, the flat strip penetrates through the hollow square strip, and the flat strip is connected with the inner handle component. The outer side of the hollow square strip is connected with a spring bolt in a sleeved mode, the two sides of the hollow square strip are connected with an outer handle assembly and an inner handle assembly, the spring bolt is provided with a lock sleeve, one side of the lock sleeve is connected with a magnetic attraction lock box through magnetic attraction, and the magnetic attraction lock box is used for being installed on a profile frame fixed to a wall. The utility model belongs to the technical field of door locks, particularly relates to an indoor universal lock applicable to door leaves and door thicknesses of different types, and solves the problems that door locks of different models need to be selected for indoor door leaves due to different materials and thicknesses, and the universality is poor.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of door lock, specifically point to a kind of indoor general lock for different kinds of door leaf and door thickness. BACKGROUND

[0002] The existing door lock generally needs to open side hole in door leaf, for installing lock body. Meanwhile, it also needs to open through hole in the corresponding position of door leaf, for connecting handle and lock head. The advantage of such design is that lock body is hidden, and door can be opened by handle and key inside and outside. But its disadvantage is that lock body leaks after opening hole in door leaf, especially on glass door panel, which is very unattractive. Moreover, the existing door lock is not universal, and cannot be applied to indoor door body of different materials and different thickness. The purchase cost is high. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem that indoor door leaf needs to select different models of door lock due to different materials and thickness, and the problem of poor universality.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides an indoor general lock for different kinds of door leaf and door thickness, which comprises an outer handle assembly and an inner handle assembly, the outer handle assembly and the inner handle assembly are connected through a flat strip, a hollow square bar is arranged between the outer handle assembly and the inner handle assembly, the flat strip penetrates the hollow square bar, a lock tongue is sleeved on the outer side of the hollow square bar, the two sides of the hollow square bar are connected with the outer handle assembly and the inner handle assembly, a lock sleeve is arranged on the lock tongue, one side of the lock sleeve is connected with a magnetic lock box through magnetic attraction, and the magnetic lock box is arranged on the profile frame fixed on the wall.

[0005] As an improvement, the outer handle assembly comprises an inner mounting base, a gasket I and a torsional spring I are embedded in the inner mounting base, a center position of the inner mounting base is embedded with an inner handle head base, the torsional spring I is clamped on the inner wall of the inner handle head base and is limited by the protrusion on the inner handle head base, an inner handle shell is extended around the inner mounting base, a rotating shaft is arranged in the inner handle head base and does not contact the inner handle head base, the flat strip is connected with one end groove of the rotating shaft, a push plate is slidably arranged on the rotating shaft, and the push plate is connected with an inner cover plate through buckling.

[0006] As an improvement, a sliding limiting hole and a locking rotating hole are arranged on the push plate, the sliding limiting hole is in the shape of a waist hole, a limiting protrusion is arranged at the end of the push plate, and the limiting protrusion is used for limiting the push plate in the outer handle assembly, a convex point and a connecting groove are arranged on the two sides of the rotating shaft, the convex point is arranged eccentrically with the rotating shaft, the convex point rotates in the locking rotating hole, and the connecting groove is connected with the flat strip.

[0007] As improved, the inner handle assembly comprises an outer mounting base, an outer handle shell mounted on the outer mounting base, an outer cover plate mounted on the other side of the outer handle shell, a latch arranged in the outer handle shell, the latch being buckled with the end of the flat strip and being clamped into the slot on the inner wall of the outer handle shell after displacement, an outer handle head base further arranged in the outer handle shell, the outer handle head base being provided with a limiting block and an outer knob in the direction of the outer handle shell along the axis, a washer two and a torsion spring two being arranged between the outer handle head base and the outer mounting base, the torsion spring two being clamped on the inner wall of the outer handle head base and being limited by the protrusion on the outer handle head base.

[0008] As improved, the two sides of the hollow square strip are embedded with the inner mounting base and the outer mounting base.

[0009] As improved, the outer cover plate can further be provided with a key box, and the key box stores keys for facilitating door opening.

[0010] As improved, the outer handle assembly and the inner handle assembly can further be provided with a base assembly, and the base assembly is adjustable in distance.

[0011] As improved, the base assembly comprises thin panels and adhesive strips arranged in pairs of symmetry, and two groups of the thin panels and the adhesive strips wrap a lock tongue, a lock sleeve and a magnetic lock box.

[0012] As improved, the hollow square strip and the flat strip are arranged through the thin panels and the adhesive strips, the thin panels are provided with adjustable distance holes, and the hollow square strip is arranged through the adjustable distance holes.

[0013] As improved, the lock tongue is rotatably provided with a push reset member, the push reset member is embedded and linked with the hollow square strip, and the two sides of the push reset member extend out push protrusions.

[0014] The indoor universal lock for different types of door leaves and door thicknesses has the following beneficial effects: the indoor universal lock for different types of door leaves and door thicknesses can be used on indoor door leaves made of different materials and having different thicknesses, and can be used to open the door from the inside or the outside, thereby ensuring the safety of the indoor space and avoiding the situation that the old and the young are locked in the door and cannot come out. Meanwhile, the rotating shaft is arranged to control the latch opposite to the flat strip, thereby achieving the purpose of locking. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The explosion view of the indoor universal lock for different types of door leaves and door thicknesses is provided.

[0016] Figure 2 The structure view of the indoor universal lock mounted on the door panel is provided.

[0017] Figure 3 It is the structure schematic view of the base assembly of the utility model;

[0018] Figure 4 It is the separation state view of the outer handle assembly, the inner handle assembly and the base assembly of the utility model;

[0019] Figure 5 It is the combined structure schematic view of the inner handle assembly and the thin panel of the utility model;

[0020] Figure 6 It is the sectional view of the utility model;

[0021] Figure 7 It is the utility model Figure 6 The local enlarged view of A part in the utility model;

[0022] Figure 8 It is the internal structure schematic view of the key box of the utility model;

[0023] Figure 9 It is the combined structure schematic view of the push plate and the inner handle shell of the utility model;

[0024] Figure 10 It is the structure schematic view of the rotating shaft of the utility model;

[0025] Figure 11 It is the structure schematic view of another view angle of the rotating shaft of the utility model.

[0026] 1, outer handle assembly; 2, inner handle assembly; 3, flat bar; 4, hollow square bar; 5, lock tongue; 6, lock sleeve; 7, magnetic lock box; 8, inner mounting base; 9, gasket one; 10, torsional spring one; 11, inner handle head seat; 12, inner handle shell; 13, rotating shaft; 14, push plate; 15, inner cover plate; 16, sliding limiting hole; 17, locking rotating hole; 18, limiting protrusion; 19, convex point; 20, connecting groove; 21, outer mounting base; 22, outer handle shell; 23, outer cover plate; 24, bolt; 25, outer handle head seat; 26, limiting block; 27, outer knob; 28, gasket two; 29, torsional spring two; 30, key box; 31, base assembly; 32, thin panel; 33, rubber strip; 34, distance adjustable hole; 35, actuating reset piece; 36, actuating protrusion. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] As Figures 1-11 shown, the utility model provides a kind of indoor general lock for different kinds of door leaves and door thickness, including outer handle assembly 1 and inner handle assembly 2, outer handle assembly 1 and inner handle assembly 2 between still can be provided base assembly 31, base assembly 31 distance adjustable, outer handle assembly 1 and inner handle assembly 2 are connected by flat bar 3, hollow square bar 4 is equipped between outer handle assembly 1 and inner handle assembly 2, flat bar 3 is set through hollow square bar 4, the outside of hollow square bar 4 is sleeved with lock tongue 5, the two sides of hollow square bar 4 are connected outer handle assembly 1 and inner handle assembly 2, lock tongue 5 is equipped with lock benefit set 6, one side of lock benefit set 6 is connected with magnetic attraction lock box 7 by magnetic attraction, magnetic attraction lock box 7 is used to install on the profile frame fixed on wall body.

[0029] As Figure 1 shown, outer handle assembly 1 includes inner installation base 8, inner installation base 8 is inlaid with washer one 9 and torsion spring one 10, the middle center position of inner installation base 8 is embedded in inner handle head base 11, torsion spring one 10 is clamped on the inner wall of inner handle head base 11 and is limited by the protrusion on inner handle head base 11, inner installation base 8 extends out inner handle shell 12 around, inner handle shell 12 is equipped with rotating shaft 13, rotating shaft 13 is located in inner handle head base 11 and does not contact with inner handle head base 11, flat bar 3 and one end slot of rotating shaft 13 are connected, push plate 14 is slid on rotating shaft 13, and push plate 14 is buckled and connected with inner cover plate 15.

[0030] As Figure 9 , 10 ,11 shown, push plate 14 is equipped with sliding limit hole 16 and locking rotation hole 17, sliding limit hole 16 is set as waist type hole, the end of push plate 14 is equipped with limit protrusion 18, limit protrusion 18 is used to limit push plate 14 in outer handle assembly 1, the two sides of rotating shaft 13 are respectively equipped with convex point 19 and connecting groove 20, convex point 19 is arranged eccentric with rotating shaft 13, convex point 19 rotates in locking rotation hole 17, connecting groove 20 and flat bar 3 are slotted.

[0031] As Figure 1As shown, the inner handle assembly 2 includes an outer mounting base 21, both sides of the hollow square bar 4 are embedded with the inner mounting base 8 and the outer mounting base 21, the outer mounting base 21 is installed with an outer handle shell 22, the other side of the outer handle shell 22 is installed with an outer cover plate 23, and a key box 30 can also be arranged in the outer cover plate 23 to store keys for easy door opening, a latch 24 is arranged in the outer handle shell 22, the latch 24 is buckled with the end of the flat bar 3, and the latch 24 is displaced and clamped into the groove on the inner wall of the outer handle shell 22, and an outer handle head base 25 is also arranged in the outer handle shell 22, the outer handle head base 25 is provided with a limiting block 26 and an outer knob 27 along the axis in the direction of the outer handle shell 22, a washer 28 and a torsional spring 29 are arranged between the outer handle head base 25 and the outer mounting base 21, and the torsional spring 29 is clamped on the inner wall of the outer handle head base 25 and is limited by the protrusion on the outer handle head base 25.

[0032] As shown in Figure 2 , 4 , 5, the base assembly 31 includes two pairs of symmetrically arranged thin panels 32 and adhesive strips 33, and the two groups of thin panels 32 and adhesive strips 33 wrap the lock tongue 5, the lock sleeve 6, and the magnetic lock box 7, and the hollow square bar 4 and the flat bar 3 pass through the thin panels 32 and the adhesive strips 33;

[0033] The thin panel 32 is provided with a distance-adjustable hole 34, and the hollow square bar 4 passes through the distance-adjustable hole 34; as an improvement, the lock tongue 5 is rotatably provided with a push reset member 35, the push reset member 35 is embedded and linked with the hollow square bar 4, and the two sides of the push reset member 35 extend out a push protrusion 36.

[0034] In specific use, whether to arrange the key box 30 is selected according to the use scene, if the product is installed on an indoor glass door panel, the product without the key box 30 does not need to be installed, and the product with the key box 30 needs to be installed on other indoor doors; in addition, when the product is installed on a glass door panel, the base assembly 31 needs to be used to avoid the unattractive appearance of the opening on the glass door panel;

[0035] When a person is on the outdoor side, the door is first closed, and the inner core of the lock tongue 5 is attracted out of the lock under the magnetic attraction of the magnetic lock box 7, at this time, the user presses down the outer handle shell 22, the outer handle shell 22 drives the outer handle head base 25, the limiting block 26, and the outer knob 27 in it to rotate, thereby driving the hollow square bar 4 embedded with the outer mounting base 21 to rotate, when the hollow square bar 4 rotates, the hollow square bar 4 drives the push reset member 35 to rotate in the lock tongue 5, thereby pushing the inner core in the lock tongue 5 in the direction away from the magnetic lock box 7, so that the magnetic attraction position is separated, and the door opening purpose is achieved; if the person is on the indoor side, the inner handle shell 12 is pressed down, and the same as above, the lock can also be opened;

[0036] When the door is closed, the person inside the room pulls the push plate 14 to make the push plate 14 slide in the inner handle shell 12, at this time, the limiting protrusion 18 is elastically pressed and displaced, with the sliding of the push plate 14 on the inner handle shell 12, the protrusion 19 eccentrically arranged on the rotating shaft 13 is rotated, thereby rotating the protrusion 19, since the connecting groove 20 and the groove of the flat strip 3 are connected, the connecting groove 20 is rotated and drives the flat strip 3 to rotate, at this time, the outer knob 27 connected to the other side of the flat strip 3 is pushed to slide on both sides, and finally is embedded in the groove in the outer handle shell 22, thereby achieving the purpose of locking the door.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, equivalents, substitutions and variations of the embodiments can be made by those skilled in the art without departing from the spirit and principles of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0038] The above describes the present application and its embodiments, which is not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if the person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical solution, which should belong to the protection scope of the present application.

Claims

1. A multipurpose lock for indoor use for different kinds of door leaves and door thicknesses, characterized in that: The utility model provides a kind of door handle, including outer handle assembly (1) and inner handle assembly (2), the outer handle assembly (1) and inner handle assembly (2) are connected by flat bar (3), hollow square bar (4) is equipped between the outer handle assembly (1) and inner handle assembly (2), flat bar (3) is arranged through hollow square bar (4), the outer side of hollow square bar (4) is sleeved with lock tongue (5), the two sides of hollow square bar (4) are connected outer handle assembly (1) and inner handle assembly (2), lock tongue (5) is equipped with lock sleeve (6), one side of lock sleeve (6) is connected with magnetic attraction and magnetic attraction lock box (7), magnetic attraction lock box (7) is used to install on the profile frame fixed on wall body.

2. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 1, characterized in that: The outer handle assembly (1) includes an inner mounting base (8), the inner mounting base (8) is embedded with a washer (9) and a torsion spring (10), the inner mounting base (8) is embedded with an inner handle head base (11) at the center position, the torsion spring (10) is clamped on the inner wall of the inner handle head base (11) and is limited by the protrusion on the inner handle head base (11), the inner mounting base (8) extends an inner handle shell (12) around, the inner handle shell (12) is provided with a rotating shaft (13), the rotating shaft (13) is arranged in the inner handle head base (11) and does not contact with the inner handle head base (11), the flat bar (3) is slotted with one end of the rotating shaft (13), the rotating shaft (13) is slidably provided with a push plate (14), the push plate (14) is buckled with an inner cover plate (15).

3. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 2, characterized in that: The push plate (14) is provided with a sliding limiting hole (16) and a locking rotating hole (17), the sliding limiting hole (16) is arranged in a waist-shaped hole, the end of the push plate (14) is provided with a limiting protrusion (18), the limiting protrusion (18) is used for limiting the push plate (14) in the outer handle assembly (1), the rotating shaft (13) is provided with a protrusion (19) and a connecting groove (20) on both sides, the protrusion (19) is eccentrically arranged with the rotating shaft (13), the protrusion (19) rotates in the locking rotating hole (17), the connecting groove (20) is slotted with the flat bar (3).

4. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 2, characterized in that: The inner handle assembly (2) includes an outer mounting base (21), the outer mounting base (21) is provided with an outer handle shell (22), the other side of the outer handle shell (22) is provided with an outer cover plate (23), the outer handle shell (22) is provided with a latch (24), the latch (24) is buckled with the end of the flat bar (3) and is clamped in the groove of the inner wall of the outer handle shell (22) after displacement, the outer handle shell (22) is further provided with an outer handle head base (25), the outer handle head base (25) is provided with a limiting block (26) and an outer knob (27) along the axis towards the outer handle shell (22), the outer handle head base (25) and the outer mounting base (21) are provided with a washer (28) and a torsion spring (29), the torsion spring (29) is clamped on the inner wall of the outer handle head base (25) and is limited by the protrusion on the outer handle head base (25).

5. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 4, characterized in that: The two sides of the hollow square bar (4) are embedded with the inner mounting base (8) and the outer mounting base (21).

6. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 4, characterized in that: A key box (30) can be arranged in the outer cover plate (23), and keys are stored in the key box (30) to facilitate door opening.

7. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 1, characterized in that: A base assembly (31) can be arranged between the outer handle assembly (1) and the inner handle assembly (2), and the distance of the base assembly (31) is adjustable.

8. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 7, characterized in that: The base assembly (31) comprises two pairs of symmetrically arranged thin panels (32) and adhesive strips (33), and two groups of the thin panels (32) and the adhesive strips (33) wrap the lock tongue (5), the lock lever (6) and the magnetic lock box (7).

9. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 8, characterized in that: The hollow square bar (4) and the flat bar (3) are arranged through the thin panels (32) and the adhesive strips (33), the distance adjustable holes (34) are arranged through the thin panels (32), and the hollow square bar (4) is arranged through the distance adjustable holes (34).

10. The indoor universal lock for different kinds of door leaves and door thicknesses according to claim 1, characterized in that: The lock tongue (5) is rotatably arranged with a push reset member (35), the push reset member (35) is embedded and linked with the hollow square bar (4), and the two sides of the push reset member (35) extend out the push protrusions (36).