Bidirectional door handle lock structure
By combining the connecting sleeve and the sliding component, the problem of loose bolt connections in existing two-way door handle locks is solved, achieving quick disassembly and assembly as well as a stable connection.
Patent Information
- Application Number
- CN202520636367.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
The bolt connection structure of existing two-way door handle locks is prone to loosening, resulting in low disassembly and assembly efficiency.
It adopts a combination structure of connecting sleeve and sliding component. The spring plate pushes the insert into the positioning groove, and the positioning sleeve and retaining ring are used to achieve the clamping connection between the outer lock shell and the inner lock shell. The wedge-shaped surface of the push block and the core column is used to achieve quick disassembly.
It improves the efficiency of disassembling and assembling the handle lock, prevents loosening, and enhances the stability of the connection.
Smart Images

Figure CN223952433U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to handle lock technical field, especially a bidirectional door handle lock structure. BACKGROUND
[0002] The bidirectional door handle lock is provided with a lock shell body on the inside and outside of the door, and a handle for opening the door lock is installed on the shell body. The existing handle shell body structure is connected by penetrating a field bolt into the inside of the inner handle shell body and then screwing it into the field inner tooth sleeve of the outer handle shell body through the hole of the door.
[0003] Therefore, it is necessary to further innovate the existing handle lock structure. SUMMARY
[0004] The utility model discloses a bidirectional door handle lock structure.
[0005] To achieve the above object, the utility model adopts the technical scheme of:
[0006] The bidirectional door handle lock structure comprises an outer lock shell and a cover plate arranged in the inner part of the outer lock shell.
[0007] The connecting assembly comprises a connecting sleeve and a sliding piece slidingly connected to the outer lock shell.
[0008] A positioning groove is formed in the outer side wall of the connecting sleeve. A spring sheet is fixed on the sliding piece and abuts against the outer lock shell. An insertion strip is arranged on the sliding piece. After the connecting sleeve passes through the through hole and is inserted into the inner part of the outer lock shell, the spring sheet pushes the sliding piece to slide and the insertion strip is clamped into the inner part of the positioning groove. A positioning sleeve is fixed on the outer lock shell. The inner hole of the positioning sleeve matches the outer diameter of the connecting sleeve. The connecting sleeve is inserted into the positioning sleeve. A stop ring is arranged at the end of the connecting sleeve away from the outer lock shell.
[0009] Further, a core column is slidingly connected to the inner part of the connecting sleeve. A pushing block is fixed on the surface of the core column. A sliding groove is formed in the surface of the connecting sleeve and communicates with the positioning groove. The pushing block is slidingly connected in the sliding groove. The sliding groove and the positioning groove are spliced into a slot hole in the shape of a cross. A wedge surface is arranged between the surface away from the stop ring and the surface away from the core column of the pushing block.
[0010] Further, a countersunk hole is arranged on the push block; and a first threaded hole is arranged on the core column.
[0011] Further, a chamfered surface is arranged on the outer side wall of the connecting sleeve and the surface of the connecting sleeve away from the check ring.
[0012] Further, a groove is arranged on the end surface of the core column away from the push block; and a concave ring is arranged on the inner side wall of the groove.
[0013] Further, a connecting plate is fixed on the inner side wall of the outer lock shell; the sliding member is a U-shaped member; the connecting plate is inserted into the slot hole of the U-shaped member; a strip-shaped hole is formed on the connecting plate; a second threaded hole is arranged on the surface of the U-shaped member; and a bolt is threadedly connected to the second threaded hole after penetrating through the strip-shaped hole.
[0014] Further, a reinforcing rib is arranged on the connecting plate.
[0015] After the above structure is adopted, the beneficial effects of the present application are as follows: each inner side wall of the outer lock shell is provided with a pressing strip; the pressing strip is used for pressing the cover plate on the door plate; the outer lock shell and the cover plate are attached to the outer side of the door, the inner shell body and the cover plate inside are attached to the inner side of the door, the connecting sleeve is first inserted into the hole of the inner shell body, then penetrates through the door plate and the through hole, and is clamped by the inserting strip of the sliding member in the inner cavity of the outer lock shell; after the inserting strip is pressed and clamped by the spring sheet, the inserting strip is tightly inserted into the positioning groove for positioning; in addition, the connecting sleeve is inserted into the positioning sleeve, so that the connecting sleeve is supported and positioned by the positioning sleeve; and the check ring is clamped on the surface of the inner lock shell, so that the outer lock shell is tightly pulled on the outer side of the door by the connecting sleeve, and the inner lock shell and the outer lock shell are clamped on the inner side and the outer side of the door. When it is necessary to disassemble the outer lock shell, a tool is inserted into the inside of the connecting sleeve, the inserting strip is pushed out of the positioning groove, and the connecting sleeve can be pulled out of the outer lock shell. The structure improves the disassembly efficiency of the handle lock and the door, the spring sheet presses and clamps the inserting strip in the positioning groove, plays a role of preventing loosening, and the outer lock shell and the inner lock shell are not easy to loosen. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic diagram of the present application;
[0017] Figure 2 is an exploded view of the present application after the cover plate is disassembled;
[0018] Figure 3 is an internal structure diagram of the outer lock shell;
[0019] Figure 4 is Figure 3 is an enlarged view of A part in
[0020] Figure 5 is a structure diagram of the connecting sleeve, the core column and the sliding member.
[0021] Figure 6 is the local view of the connection of the sleeve and the core column;
[0022] Figure 7 is the local sectional view of the connection of the sleeve and the core column;
[0023] Figure 8 is the local sectional view of the connection of the sleeve, the core column and the sliding piece;
[0024] Figure 9 is the perspective view of the sliding piece;
[0025] Figure 10 is the local view of the sleeve;
[0026] Figure 11 is the structural view of the core column;
[0027] Explanation of reference signs:
[0028] 1, outer lock shell; 101, positioning sleeve; 102, connecting plate; 10201, strip hole; 10202, reinforcing rib;
[0029] 103, pressing strip; 2, cover plate; 201, through hole; 3, sleeve; 301, retaining ring;
[0030] 302, positioning groove; 303, chamfer surface; 304, sliding groove; 4, core column; 401, push block;
[0031] 40101, counterbore; 40102, wedge surface; 402, first threaded hole; 403, concave ring;
[0032] 5, sliding piece; 501, spring piece; 502, second threaded hole; 503, insertion strip. DETAILED DESCRIPTION
[0033] The utility model will be further explained in connection with the drawings.
[0034] As Figures 1 to 11 shown, the utility model discloses a bidirectional door handle lock structure, including outer lock shell 1 and setting in the inside of outer lock shell 1 cover plate 2, the through hole 201 is set up on cover plate 2, the inside connection of outer lock shell 1 has two connecting assemblies,
[0035] the connecting assembly includes sleeve 3 and sliding piece 5 that are slidably connected on outer lock shell 1,
[0036] The outer side wall of the connecting sleeve 3 is provided with a positioning groove 302; the sliding piece 5 is fixed with a spring sheet 501 abutting against the outer lock shell 1; the sliding piece 5 is provided with an insertion strip 503; after the connecting sleeve 3 passes through the through hole 201 and is inserted into the inner part of the outer lock shell 1, the spring sheet 501 pushes the sliding piece 5 to slide and make the insertion strip 503 be clamped into the inner part of the positioning groove 302; the outer lock shell 1 is fixed with a positioning sleeve 101; the inner hole of the positioning sleeve 101 matches the outer circle diameter of the connecting sleeve 3; the connecting sleeve 3 is inserted into the positioning sleeve 101; the end of the connecting sleeve 3 away from the outer lock shell 1 is provided with a stop ring 301;
[0037] Each inner side wall of the outer lock shell 1 is provided with a pressing strip 103; the pressing strip 103 is used for pressing the cover plate 2 against the door plate;
[0038] The outer lock shell 1 and the cover plate 2 are attached to the outer side of the door, the inner shell and the inner cover plate are attached to the inner side of the door, the connecting sleeve 3 is first inserted into the hole of the inner shell, then passes through the door plate and the through hole 201, and is clamped by the insertion strip 503 of the sliding piece 5 in the inner cavity of the outer lock shell 1, after the insertion strip 503 presses the sliding piece 5 by the spring sheet 501, the insertion strip 503 is tightly inserted into the positioning groove 302 for positioning, and then the connecting sleeve 3 is inserted into the positioning sleeve 101, so that the connecting sleeve 3 is supported and positioned by the positioning sleeve 101; the stop ring 301 is pressed against the surface of the inner lock shell, so that the outer lock shell 1 is pulled tightly on the outer side of the door by the connecting sleeve 3, and the inner lock shell and the outer lock shell 1 are clamped on the inner side and the outer side of the door.
[0039] When the outer lock shell 1 needs to be disassembled, a tool is inserted into the inner part of the connecting sleeve 3 to push the insertion strip 503 out of the positioning groove 302, and then the connecting sleeve 3 can be pulled out of the outer lock shell 1. The structure improves the disassembly efficiency of the handle lock and the door, and the spring sheet 501 presses the insertion strip 503 in the positioning groove 302, which plays a role of preventing loosening, and the outer lock shell 1 and the inner lock shell are not easy to loosen.
[0040] As a preferred mode of the utility model, the inside of the connecting sleeve 3 is slidably connected with a core column 4; the surface of the core column 4 is fixed with a push block 401; the surface of the connecting sleeve 3 is provided with a sliding groove 304 communicated with the positioning groove 302; the push block 401 is slidably connected in the sliding groove 304; the sliding groove 304 and the positioning groove 302 are spliced into a slot hole in the shape of a cross; a wedge surface 40102 is arranged between the surface of the push block 401 away from the stop ring 301 and the surface of the push block 401 away from the core column 4;
[0041] The outer surface diameter of the push block 401 matches the outer circle surface of the connecting sleeve 3; the center of the outer surface of the push block 401 is concentrically arranged with the center of the connecting sleeve 3, so as to ensure that the push block 401 can completely push the insertion strip 503 out of the positioning groove 302 after sliding in the sliding groove 304;
[0042] After the insertion strip 503 is clamped into the positioning groove 302, the connecting sleeve 3 is abutted against the edge of the positioning groove 302, so that the connecting sleeve 3 cannot rotate;
[0043] When the connecting sleeve 3 is pushed, the pressure is applied to the core column 4, so that the push block 401 is first abutted against the end of the sliding groove 304 away from the blocking ring 301, then the push block 401 applies the pressure to the inner side wall of the sliding groove 304, and the connecting sleeve 3 is directly inserted into the inside of the outer lock shell 1;
[0044] After the connecting sleeve 3 is completely inserted into the outer lock shell 1 and the insertion strip 503 is inserted into the positioning groove 302, the push block 401 is arranged on the side of the insertion strip 503 away from the blocking ring 301, that is, the wedge surface 40102 faces the direction of the insertion strip 503;
[0045] When the connecting sleeve 3 needs to be pulled out, the core column 4 is pulled outwards, the wedge surface 40102 pushes the insertion strip 503, so that the insertion strip 503 is pushed out of the positioning groove 302, the insertion strip 503 cannot hinder the sliding of the connecting sleeve 3, the connecting sleeve 3 can be pulled out of the outer lock shell 1 and the door body, and the outer lock shell 1 and the inner lock shell are detached on the door.
[0046] As a preferred mode of the utility model, the push block 401 is provided with a countersunk hole 40101; the core column 4 is provided with a first threaded hole 402;
[0047] When the push block 401 is assembled with the core column 4, the core column 4 is first inserted into the inside of the connecting sleeve 3, then the push block 401 is clamped into the sliding groove 304, and then a bolt is screwed in the first threaded hole 402 through the countersunk hole 40101, so that the push block 401 is fixed on the core column 4, and the connecting sleeve 3 and the core column 4 are connected as an integrated structure by clamping the push block 401 in the sliding groove 304.
[0048] As a preferred mode of the utility model, the outer side wall of the connecting sleeve 3 is provided with a chamfer surface 303 on the surface of the connecting sleeve 3 away from the blocking ring 301; the chamfer surface 303 is used for pushing the insertion strip 503 upwards when the connecting sleeve 3 is assembled into the outer lock shell 1.
[0049] As a preferred mode of the utility model, the end face of the core column 4 away from the push block 401 is provided with a recess; the inner side wall of the recess is provided with a recess ring 403;
[0050] Since the head of the core column 4 and the blocking ring are embedded into the concave type of the inner lock shell after the lock body is assembled, the recess ring 403 is a handle ring, and when the pulling force is applied to the core column 4, the recess ring 403 is hooked by a tool and pulled outwards.
[0051] As a preferred mode of the utility model, the inner side wall of the outer lock shell 1 is fixed with a connecting plate 102; the sliding piece 5 is a U-shaped piece; the connecting plate 102 is inserted into the slot hole of the U-shaped piece; a strip-shaped hole 10201 is formed on the connecting plate 102; a second threaded hole 502 is arranged on the surface of the U-shaped piece; after a bolt passes through the strip-shaped hole 10201, the bolt is threadedly connected on the second threaded hole 502;
[0052] The slot hole width of the U-shaped piece is equal to the thickness of the connecting plate 102, and the bolt is inserted into the strip-shaped hole 10201, so that the sliding piece 5 can slide and guide on the connecting plate 102; one end of the spring piece 501 is pressed against the inner side wall of the outer lock shell 1, and the other end of the spring piece 501 exerts a spring force on the sliding piece 5, so that the inserted strip 503 is not easy to be loosened after being clamped into the positioning groove 302.
[0053] As a preferred mode of the utility model, the connecting plate 102 is provided with a reinforcing rib 10202.
[0054] The above is only the preferred implementation mode of the utility model, so equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application range are included in the utility model patent application range.
Claims
1. A two-way door handle lock structure, comprising an outer lock shell (1) and a cover plate (2) disposed inside the outer lock shell (1); the cover plate (2) has a through hole (201); characterized in that: The outer locking shell (1) has two connecting components inside; The connecting assembly includes a connecting sleeve (3) and a sliding member (5) that is slidably connected to the outer lock housing (1). A positioning groove (302) is provided on the outer wall of the connecting sleeve (3); a spring plate (501) is fixed on the sliding member (5) and pressed against the outer lock shell (1); an insert (503) is provided on the sliding member (5); after the connecting sleeve (3) passes through the through hole (201) and is inserted into the interior of the outer lock shell (1), the spring plate (501) pushes the sliding member (5) to slide and insert the insert (503) into the interior of the positioning groove (302); a positioning sleeve (101) is fixed on the outer lock shell (1); the inner hole of the positioning sleeve (101) matches the outer diameter of the connecting sleeve (3); the connecting sleeve (3) is inserted into the positioning sleeve (101); a retaining ring (301) is provided at the end of the connecting sleeve (3) away from the outer lock shell (1).
2. The two-way door handle lock structure according to claim 1, characterized in that: The connecting sleeve (3) is slidably connected to a core column (4); a push block (401) is fixed on the surface of the core column (4); a sliding groove (304) communicating with the positioning groove (302) is opened on the surface of the connecting sleeve (3); the push block (401) is slidably connected in the sliding groove (304); the sliding groove (304) and the positioning groove (302) are spliced to form a "+" shaped slot; a wedge-shaped surface (40102) is provided between the surface of the push block (401) away from the retaining ring (301) and the surface of the push block (401) away from the core column (4).
3. The two-way door handle lock structure according to claim 2, characterized in that: The push block (401) is provided with a countersunk hole (40101); the core column (4) is provided with a first threaded hole (402).
4. The two-way door handle lock structure according to claim 2, characterized in that: The outer wall of the connecting sleeve (3) and the surface of the connecting sleeve (3) away from the retaining ring (301) are provided with a chamfered surface (303).
5. The two-way door handle lock structure according to claim 2, characterized in that: The core post (4) has a groove on one end face away from the push block (401); a concave ring (403) is provided around the inner side wall of the groove.
6. The two-way door handle lock structure according to claim 1, characterized in that: A connecting plate (102) is fixed on the inner wall of the outer lock shell (1); the sliding member (5) is a U-shaped member; the connecting plate (102) is inserted into the slot of the U-shaped member; a strip hole (10201) is opened on the connecting plate (102); a second threaded hole (502) is provided on the surface of the U-shaped member; and a bolt is threaded onto the second threaded hole (502) after passing through the strip hole (10201).
7. The two-way door handle lock structure according to claim 6, characterized in that: The connecting plate (102) is provided with reinforcing ribs (10202).