Hook lock structure

By designing a hook lock structure with a lock case, lock body assembly, and return torsion spring, the problems of easy deformation and difficult maintenance of hook locks were solved, achieving a hook lock function that is easy to assemble and reliable in connection, thus improving the user experience.

CN223647578UActive Publication Date: 2025-12-09GUANGDONG JUYUAN SCREEN WINDOWS CO LTD
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Patent Information

Application Number
CN202423066527.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-09
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing hook lock structure is thin and easily deformed, which affects the locking function, makes maintenance difficult, and is costly.

Method used

Design a hook lock structure including a lock case, a lock body assembly, a hook lock component, a fixing component, an unlocking button, and a return torsion spring. The hook lock component achieves engagement or disengagement through the flipping action of the hook lock component and the hook seat, and the sliding component and the return torsion spring ensure smooth operation and reliability.

Benefits of technology

It improves the ease of assembly and connection reliability of hook locks, enhances the smoothness and reliability of the lock body structure, and provides a better user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hook lock structure which comprises a lock shell installed on a door or a window frame, a lock body assembly and a hook seat arranged on the fixed door or the fixed window frame and matched with a hook lock piece in a clamping mode, and is characterized in that the lock body assembly comprises the hook lock piece, a fixing piece used for fixing the hook lock piece and an unlocking pressing block; the hook lock piece and the fixing piece are connected in an overturning mode through a connecting shaft, the hook lock piece and the hook base are clamped or unhooked along with the overturning action of the hook lock piece, the unlocking pressing block can move front and back relative to the lock shell, when the unlocking pressing block moves to abut against the hook lock piece, the hook lock piece is overturned relatively, and the hook lock piece is unlocked. The hook lock piece and the hook seat are separated from each other; a sliding piece which can move in the vertical direction relative to the lock shell and can stop or avoid the unlocking pressing block to move front and back is arranged in the mounting groove, the sliding piece is mounted in the cavity of the lock shell, and the sliding piece is partially exposed out of the hand stretching groove of the lock shell.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of door and window lock, especially a hook lock structure. BACKGROUND

[0002] At present, the sliding door or window frame is slidably installed on the frame body, and the existing locking mode is mostly to install a hook lock on the movable frame, which hooks the hook seat on the frame body to realize clamping locking. However, the hook lock itself is relatively thin, especially when the hook lock is loose and falls out of the hook seat, it is easy to collide and deform, thereby affecting the locking function, and the maintenance of the hook lock requires replacing the lock body installed in the frame, which is difficult and high in cost. Therefore, based on the above technical problems, the present application provides a hook lock structure which is convenient to assemble and reliable in connection. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art, provide a kind of hook lock structure which is convenient to assemble and reliable in connection.

[0004] In order to achieve the above purpose, the hook lock structure provided by the utility model comprises a lock shell installed on a door or window frame, a lock body assembly, and a hook seat arranged on a fixed door or window frame and mutually clamped with the hook lock piece. The inner cavity of the lock shell extends in the vertical direction. The back surface of the lock shell is formed with an installation slot which is in communication with the inner cavity of the lock shell and extends in the vertical direction. The lock body assembly is embedded in the installation slot. The lock body assembly comprises a hook lock piece, a fixing piece for fixing the hook lock piece, and an unlocking press block. The hook lock piece and the fixing piece are connected by a connecting shaft and are flipped with the flipping action of the hook lock piece, so that the hook lock piece is clamped with the hook seat or unhooked. A reset torsion spring is arranged between the hook lock piece and the fixing piece to reset the hook lock piece after flipping. The unlocking press block can move forward and backward. When the unlocking press block moves and presses the hook lock piece, the hook lock piece flips relatively, so that the hook lock piece is unhooked from the hook seat. A sliding piece is arranged in the installation slot, which can move in the vertical direction and can stop or avoid the forward and backward movement of the unlocking press block. The sliding piece is installed in the cavity of the lock shell, and the sliding piece is partially exposed to the reach slot of the lock shell.

[0005] Further, the installation slot is formed with an unlocking hole which is penetrated and allows the unlocking press block to be partially exposed to the front surface of the lock shell. The installation slot is formed with a positioning slot for positioning the unlocking press block.

[0006] Further, at least one guide positioning block is formed on the installation slot of the lock shell for positioning the movable blocking strip.

[0007] Further, the sliding piece comprises a transmission block and a movable blocking strip, wherein the transmission block and the movable blocking strip are spliced by a screw; the movable blocking strip is formed with an emptying groove for unlocking the press block to move forward and backward and top touch the hook locking piece to flip and avoid.

[0008] Further, the movable blocking strip is formed with at least one guiding positioning hole for cooperating with a guiding positioning block of the lock shell and limiting the relative movement distance of the movable blocking strip.

[0009] Further, one end of the hook locking piece is formed with at least one connecting hole for penetrating and accommodating a connecting shaft.

[0010] Further, the fixed piece is formed with a connecting groove for fixing the connecting shaft.

[0011] Further, the reset torsional spring is sleeved on the connecting shaft, and two ends of the reset torsional spring are respectively in top touch cooperation with the hook locking piece and the fixed piece.

[0012] The utility model discloses the above-mentioned scheme, its beneficial effect lies in:

[0013] Smoothness: improve the lock body assembly, realize that the hook locking piece is connected or unhooked to the hook seat through the flipping action of the hook locking piece, and the reset torsional spring is additionally arranged, so that the hook locking piece is reset in time after the relative flipping action, the lock body structure is improved and optimized, so that the action of the hook locking piece for being connected or unhooked is more smooth.

[0014] Convenience: the unlocking press block can top press the hook locking piece to be relatively flipped and unhooked by pressing the unlocking press block partially exposed on the front face of the lock shell, and the user can use the hook locking more conveniently, and the experience is better.

[0015] Reliability: the sliding piece in the lock body assembly is moved, the unlocking press block is stopped or avoided by the sliding piece, so that the unlocking press block cannot top press the hook locking piece to be relatively flipped and unhooked or the unlocking press block can top press the hook locking piece to be relatively flipped and unhooked, and the reliability of the hook locking is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole schematic view of hook locking structure.

[0017] Figure 2 It is the split schematic view of hook locking structure.

[0018] Figure 3 It is the schematic view of lock shell.

[0019] Figure 4 It is the schematic view of the back of the lock shell.

[0020] Figure 5 It is the schematic view of the lock body assembly.

[0021] Figure 6 is a schematic view of a sliding member.

[0022] Figure 7 is a schematic view of a hook member.

[0023] Figure 8 is a schematic view of a fixing member.

[0024] Wherein, 1 - lock shell, 11 - installation groove, 12 - reach slot, 13 - guide positioning block, 16 - unlocking hole, 15 - positioning groove, 2 - lock body assembly, 21 - hook member, 211 - connecting hole, 22 - fixing member, 221 - connecting groove, 23 - unlocking press block, 24 - connecting shaft, 25 - reset torsional spring, 3 - hook seat, 4 - sliding member, 41 - transmission block, 42 - movable baffle, 421 - guide positioning hole, 422 - empty slot. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. The purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0026] Referring to the drawings Figure 1 As shown in the drawings, in the present embodiment, a hook structure, comprising a lock shell 1 mounted on a door or window frame, a lock body assembly 2 and a hook seat 3 arranged on the fixed door or window frame and mutually clamped with the hook member 21, wherein the inner cavity of the lock shell 1 extends along the vertical direction, the back surface of the lock shell 1 is formed with an installation groove 11 which is communicated with the inner cavity of the lock shell 1 and extends along the vertical direction, and the front surface of the lock shell 1 is formed with a reach slot 12 which is communicated with the inner cavity of the lock shell 1 and extends along the vertical direction, that is, the lock shell 1 is spliced by the shell with the reach slot 12 and the shell with the installation groove 11.

[0027] In the embodiment, the lock body assembly 2 is embedded in the mounting groove 11, characterized in that the lock body assembly 2 comprises a hooking piece 21, a fixing piece 22 for fixing the hooking piece 21, and an unlocking press block 23, the hooking piece 21 and the fixing piece 22 are connected through a connecting shaft 24 and are reversely connected with each other, and the hooking piece 21 is clamped or unhooked with the hook seat 3 through the reverse action of the hooking piece 21, wherein a reset torsion spring 25 is arranged between the hooking piece 21 and the fixing piece 22 to reset the hooking piece 21 after being reversed; the unlocking press block 23 can move forward and backward relative to the lock shell 1, wherein when the unlocking press block 23 is pressed and pressed against the hooking piece 21, the hooking piece 21 is reversely rotated to unhook the hooking piece 21 from the hook seat 3; secondly, the mounting groove 11 is provided with a sliding piece 4 which can move vertically relative to the lock shell 1 and can stop or avoid the forward and backward movement of the unlocking press block 23; wherein the sliding piece 4 is installed in the cavity of the lock shell 1 and partially exposed in the reach-in groove 12 of the lock shell 1, specifically, the sliding piece 4 which moves vertically and is partially exposed in the reach-in groove 12 of the lock shell 1 switches the functions of locking and unlocking the hooking piece, when the sliding piece 4 is in the locking mode, the unlocking press block 23 cannot press and press against the hooking piece 21 to reversely rotate, so that the hooking piece 21 remains clamped with the hook seat 3; when the sliding piece 4 is in the unlocking mode, the unlocking press block 23 is pressed against the hooking piece 21, and the hooking piece 21 is reversely rotated to unhook the hooking piece 21 from the hook seat 3.

[0028] Referring to the drawings Figure 3 In the embodiment, the mounting groove 11 is formed with an unlocking hole 16 which penetrates and partially exposes the unlocking press block 23 on the front surface of the lock shell 1, wherein the mounting groove 11 is protrudingly formed with a positioning groove 15 for positioning and installing the unlocking press block 23, specifically, the relative position of the unlocking press block 23 is limited through the positioning groove 15 on the mounting groove 11, so as to prevent the unlocking press block 23 from being relatively deviated in position during use, and the unlocking press block 23 is partially exposed through the unlocking hole 16 on the front surface of the lock shell 1, thereby realizing the function of pressing and moving the unlocking press block 23 forward and backward.

[0029] Referring to the drawings Figure 3 In the embodiment, at least one guide positioning block 13 for positioning the movable blocking strip 42 is formed on the mounting groove 11 of the lock shell 1, wherein the guide positioning block 13 cooperates with the guide positioning hole 421 formed on the movable blocking strip 42, thereby reducing the installation time of the movable blocking strip 42 on the mounting groove 11 of the lock shell 1 and saving the installation time.

[0030] Referring to the drawings Figure 6As shown, in the present embodiment, the sliding member 4 comprises a transmission block 41 and a movable blocking strip 42, wherein the transmission block 41 and the movable blocking strip 42 are spliced by screws, which are not specifically limited here; further, the movable blocking strip 42 is shaped with an avoidance groove 422 for avoiding the front and back movement of the unlocking press block 23 to flip the hook locking member 21, specifically, when the sliding member 4 is switched to the unlocking mode, the front and back movement of the unlocking press block 23 can be avoided by the avoidance groove 422 of the movable blocking strip 42, so as to realize the relative flipping of the unlocking press block 23 to the hook locking member 21.

[0031] Further, the movable blocking strip 42 is shaped with at least one, preferably two guide positioning holes 421 for cooperating with the guide positioning block 13 of the lock shell 1 to position and limit the relative movement distance of the movable blocking strip 42, by the guide positioning holes 421 shaped on the movable blocking strip 42, the relative movement of the movable blocking strip 42 in the vertical direction relative to the lock shell 1 is limited, thereby preventing the deviation of the movable blocking strip 42.

[0032] In the present embodiment, the hook locking member 21 is shaped with at least one, preferably two connecting holes 211 at one end for penetrating and accommodating the connecting shaft 24, by the connecting holes 211 shaped at one end of the hook locking member 21, the hook locking member 21 can be relatively flipped around the connecting shaft 24.

[0033] Referring to the accompanying drawings Figure 8 As shown, in the present embodiment, the fixed member 22 is shaped with a connecting groove 221 for fixing the connecting shaft 24, by the connecting groove 221 shaped on the fixed member 22, the relative positioning and installation of the connecting shaft 24 is more convenient.

[0034] In the present embodiment, the reset torsional spring 25 is sleeved on the connecting shaft 24 and the two ends of the reset torsional spring 25 are respectively in abutting contact with the hook locking member 21 and the fixed member 22, by the reset torsional spring 25 arranged between the hook locking member 21 and the fixed member 22, the elastic reset tendency of the reset torsional spring 25 is utilized to reset the hook locking member 21 in time after the relative flipping action, so that the hook locking member 21 can repeatedly perform the flipping action.

[0035] In order to facilitate explanation and description, the following further explains and describes the specific working process of the hook lock.

[0036] Clamping function: first move the lock shell 1 installed on the door or window frame into the fixed frame with the hook seat 3, make the hook locking member 21 on the lock body relatively flip outward around the connecting shaft 24, and the elastic reset tendency provided by the reset torsional spring 25 sleeved on the connecting shaft 24 and in abutting contact with the hook locking member 21 and the fixed member 22, so that the hook locking member 21 relatively flips and resets, the hook locking member 21 is clamped with the hook seat 3, thereby completing the clamping of the hook lock.

[0037] Unlocking mode: when the hook lock 21 is engaged with the hook seat 3, the sliding piece 4 is moved to switch the sliding piece 4 to the unlocking mode, so that the clearance groove 422 on the movable blocking strip 42 is moved to a position through which the unlocking press block 23 moves back and forth, thereby enabling the unlocking press block 23 to press the hook lock 21 when moving through the clearance groove 422, and then, the unlocking press block 23 is pressed to move and press the hook lock 21 to relatively flip, so that the hook lock 21 is disengaged from the hook seat 3, and at the same time, the lock shell 1 installed on the door or window frame is moved outward and away from the fixed frame with the hook seat 3, thereby completing the unlocking mode of the hook lock.

[0038] Locking mode: when the hook lock 21 is engaged with the hook seat 3, the sliding piece 4 is moved to switch the sliding piece 4 to the locking mode, so that the stop position on the movable blocking strip 42 is moved to a position corresponding to the back and forth movement of the unlocking press block 23, thereby enabling the movable blocking strip 42 to stop and abut against the unlocking press block 23 when the unlocking press block 23 moves, so that the unlocking press block 23 cannot press the hook lock 21, and the hook lock 21 remains engaged with the hook seat 3, thereby keeping the door or window frame in the locking mode.

[0039] The above embodiments are only preferred embodiments of the present application, and do not limit the present application in any form. Any person skilled in the art, without departing from the technical scheme of the present application, can make more possible changes, decorations, or modifications to the technical scheme of the present application by using the disclosed technical content, which are equivalent embodiments of the present application. Therefore, any equivalent changes within the technical scheme of the present application, according to the idea of the present application, should be covered in the protection scope of the present application.

Claims

1. A hook lock structure, comprising a lock housing (1) installed on a door or window frame, a lock body assembly (2), and a hook seat (3) disposed on a fixed door or window frame and engaging with a hook lock component (21), wherein, The inner cavity of the lock shell (1) extends vertically, and a mounting groove (11) is formed on the back of the lock shell (1) that communicates with the inner cavity of the lock shell (1) and extends vertically. The lock body assembly (2) is embedded in the mounting groove (11). The lock body assembly (2) includes a hook lock (21), a fixing member (22) for fixing the hook lock (21), and an unlocking button (23). The hook lock (21) and the fixing member (22) are connected by a rotating connection through a connecting shaft (24), and as the hook lock (21) rotates, the hook lock (21) engages with or disengages from the hook seat (3). The hook lock (21) and the fixing member (3) are connected by a rotating connection through a connecting shaft (24). A reset torsion spring (25) is provided between the parts (22) to reset the hook lock part (21) after it flips over; the unlocking button (23) can move back and forth relative to the lock shell (1), wherein when the unlocking button (23) moves and presses against the hook lock part (21), the hook lock part (21) flips relative to the hook lock part (21) so that the hook lock part (21) is disengaged from the hook seat (3); a sliding part (4) is provided in the mounting groove (11) that can move vertically relative to the lock shell (1) and can stop or prevent the unlocking button (23) from moving back and forth, wherein the sliding part (4) is installed in the cavity of the lock shell (1) and the sliding part (4) is partially exposed in the reach groove (12) of the lock shell (1).

2. The hook-lock structure according to claim 1, characterized in that: The mounting groove (11) is formed with an unlocking hole (16) that extends through and partially exposes the unlocking button (23) on the front of the lock shell (1). The mounting groove (11) is formed with a positioning groove (15) for positioning and mounting the unlocking button (23).

3. The hook-and-lock structure according to claim 1, characterized in that: At least one guide positioning block (13) for positioning with the movable stop bar (42) is formed on the mounting groove (11) of the lock housing (1).

4. The hook-lock structure according to claim 1, characterized in that: The sliding member (4) includes a transmission block (41) and a movable stop bar (42), wherein the transmission block (41) and the movable stop bar (42) are connected by screws; the movable stop bar (42) is formed with a clearance groove (422) for the unlocking button (23) to move back and forth and to flip the top hook lock (21) to avoid air leakage.

5. A hook-and-lock structure according to claim 3, characterized in that: The movable stop bar (42) is formed with at least one guide positioning hole (421) for cooperating with the guide positioning block (13) of the lock shell (1) for positioning and limiting the relative movement distance of the movable stop bar (42).

6. A hook-lock structure according to claim 1, characterized in that: The hook lock (21) has at least one through hole (211) formed at one end for receiving the connecting shaft (24).

7. A hook-lock structure according to claim 1, characterized in that: The fastener (22) has a connecting groove (221) formed on it for fixing the connecting shaft (24).

8. A hook-lock structure according to claim 1, characterized in that: The reset torsion spring (25) is sleeved on the connecting shaft (24), and the two ends of the reset torsion spring (25) are respectively in contact with the hook lock (21) and the fixing member (22).