Window lock of sliding window
By designing the window lock body on the sliding window to abut against the window frame to achieve locking, and combining one-piece molding and torsion spring reset, the complex structure, inconvenient operation and rust problems of crescent window locks are solved, providing a simple, durable and low-cost window lock solution.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-24
AI Technical Summary
The existing crescent-shaped window locks for sliding windows have a complex structure, are inconvenient to operate, are complicated to install, and are prone to rust, which can cause the locking function to fail.
Design a window lock body that is installed only on the window frame. It locks by abutting against the window frame with an inclined part. It is integrally formed by stamping and bending processes, which simplifies the structure and enhances durability. A torsion spring reset component is used to ensure easy operation.
It enables simple locking and separation of the window and window frame, reduces production costs, improves durability and ease of installation, reduces reliance on internal components, and prevents rust from affecting the locking function.
Smart Images

Figure CN224032397U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of window lock, especially a window lock of sliding window. BACKGROUND
[0002] The window lock of sliding window is used for fixedly connecting window body and window frame, and the crescent window lock is generally selected on the market, the crescent window lock generally includes lock seat casing, crescent bolt with aperture, control rod with clamping key, lock catch and dial machine, and the specific working principle is as follows: when closing the window, the dial machine pushes away the control rod, the crescent bolt rotates 180 DEG and enters the lock catch, thereby realizing locking, when opening the window, the crescent bolt is reversed 180 DEG and is separated from the lock catch by turning the handle, and the crescent window lock has the following problems:
[0003] (1) the internal components in the crescent window lock are more and the composition is complex, and the processing cost is higher;
[0004] (2) the crescent bolt needs to be rotated greatly each time the crescent window lock is opened and closed, and the operation is relatively inconvenient;
[0005] (3) the lock catch of the crescent window lock needs to be installed on the window frame, other parts are installed on the window body, and the locking can be completed in cooperation of the two parts, and the installation is relatively complex;
[0006] (4) the crescent window lock can cause the internal components and component connectors to rust after being used for a long time, and the rotation of the crescent bolt depends on these internal components, so that the rotation is prone to be not smooth after rusting. CONTENT OF THE UTILITY MODEL
[0007] In order to overcome the problems in the above background art, the utility model provides a window lock of sliding window, which can complete the locking of the window body and the window frame by setting the integrally formed window lock main body only installed on the window body, and has the beneficial effects of simple structure, efficient production, low production cost, good durability and simple operation.
[0008] The technical scheme of the utility model is as follows:
[0009] A window lock of sliding window, comprising a window lock main body fixed at the edge of a window body, wherein the window lock main body comprises a pressing block, one end of the pressing block extends along the parallel direction of the window body, the end thereof is inclined downward to form an inclined portion, and the inclined portion exceeds the edge of the window body outward; the inclined portion abuts against the inner side of a window frame to fix the window body in the window frame.
[0010] Preferably, the window lock main body is integrally formed through a stamping process and a bending process.
[0011] Preferably, the angle range of the downward inclination of the inclined portion is 23 DEG -25 DEG.
[0012] Preferably, the center of the pressing block is convex to form a knob, and the edge of the knob is smoothly connected.
[0013] Preferably, the window lock body is provided with a fixing plate on both sides, and the fixing plate is connected with the window body in a detachable manner to fix the window lock body on the window body.
[0014] Further preferably, the fixing plate extends outward along both sides of the window lock body, and the side close to the window lock body is bent downward to form a bent portion, and the bottom of the bent portion is fixedly connected with both sides of the bottom of the window lock body; the surface of the fixing plate is provided with a mounting hole, and the window lock body is fixed on the window body in a threaded connection manner.
[0015] Further preferably, the window lock body is further provided with a reset member, and the reset member resets the pressing block under pressing.
[0016] Further preferably, the reset member comprises a torsional spring, one end of the torsional spring extends upward to abut against the bottom surface of the pressing block, and the other end extends downward to abut against the bottom of the window lock body; the spring body of the torsional spring is horizontally arranged in the window lock body.
[0017] Further preferably, the spring body of the torsional spring is sleeved and fixed on the positioning pin, and the two ends of the positioning pin pass through the two bent portions respectively to limit the displacement of the torsional spring.
[0018] Further preferably, the bottom of the inclined portion extends downward and inward to form a connecting portion, and the connecting portion is fixedly connected with the bottom of the window lock body; the two sides of the connecting portion are respectively fixed with a connecting plate, and the connecting plate is located on the inner side of the fixing plate, and the two ends of the positioning pin pass through the two connecting plates respectively.
[0019] Compared with the prior art, the above technical solution has the following beneficial effects:
[0020] (1) The window lock is simple to operate, and the locking and separation of the window body and the window frame can be realized by pressing or releasing the pressing block;
[0021] (2) The window lock only needs to be installed on the window body, and the inclined portion of the window lock body is abutted with the window frame to realize the locking of the window body and the window frame, which is more simple and convenient to operate, and the installation position of the components on the window body and the window frame does not need to be positioned correspondingly during installation, so the installation is more simple and less prone to errors;
[0022] (3) The window lock has a simple structure, and mainly realizes the locking function of the window body and the window frame through the structure of the window lock body itself, so the dependence on the internal components is smaller, and therefore the window lock can better maintain the locking function even if the internal components are rusty;
[0023] (4) The welding process is avoided by one-piece forming, the overall strength of the window lock body is improved, the durability is improved, the consistency of the product can be maintained through the stamping process and the bending process, the process can be simplified, the production cycle can be shortened, the production efficiency can be improved, and the production cost can be reduced.
[0024] (5) Since one end of the torsion spring abuts against the bottom surface of the pressing block, when the pressing block is pressed, the torsion spring will be twisted and deformed to store energy, and when the pressing block is released, the torsion spring releases energy to lift the pressing block back to normal, so that the pressed pressing block is lifted back to normal by setting the reset member with the torsion spring, and the pressing block cannot be restored after deformation. BRIEF DESCRIPTION OF DRAWINGS
[0025] The utility model will be explained in the mode of referring to the drawings, wherein:
[0026] Figure 1 It is the side view of the utility model as a whole;
[0027] Figure 2 It is the top view of the utility model as a whole;
[0028] Figure 3 It is the three-dimensional structure schematic diagram of the utility model as a whole;
[0029] Figure 4 It is the three-dimensional structure schematic diagram of the utility model installed on the window;
[0030] Figure 5 It is the expanded view of the window lock body of the utility model.
[0031] Reference signs: window lock body 1, pressing block 11, convex knob 111, inclined part 12, window 21, window frame 22, fixed plate 3, extension part 30, bending part 31, mounting hole 32, torsion spring 4, spring body 41, positioning pin 42, connecting part 5, connecting plate 51. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0033] Example 1: as Figures 1 to 5The window lock of the sliding window shown comprises a window lock body 1 fixed on a window body 21, one side of the window body 21 is movably connected with a window frame 22 through a hinge, the window lock body 1 is fixed at the edge of the window body 21, which is located at the opposite side of the side where the window body 21 is connected with the window frame 22, and the window lock body 1 is connected with the inner side frame surface of the window frame 22 when the window body 21 needs to be locked. The window lock body 1 comprises a pressing block 11 arranged at the top, one end of the pressing block 11 extends in the direction parallel to the window body 21 and towards the position of the window frame 22 to be connected, the extending end is inclined downward and outward to form an inclined part 12, that is, inclined towards the surface of the window body 21, and the extending part between the pressing block 11 and the inclined part 12 is the top surface of the window lock body 1. The inclined part 12 extends outward beyond the edge of the window body 21, and when the window body 21 is locked with the window frame 22, the inclined surface of the inclined part 12 abuts against the inner side frame surface of the window frame 22 to fix the window body 21 in the window frame 22. Therefore, when the window body 21 needs to be locked with the window frame 22, the pressing block 11 is first pressed downward, the pressing block 11 drives the inclined part 12 to move inward, and then the inclined part 12 is pressed into the window frame 22, the pressing block 11 is released, the pressing block 11 returns upward to reset, and the inclined part 12 moves outward to abut against the inner side frame surface of the window frame 22; when the window body 21 needs to be unlocked with the window frame 22, the pressing block 11 is pressed to make the inclined part 12 move inward to disengage from the window frame 22, and the window body 21 naturally leaves the window frame 22. Since one side of the window body 21 is movably connected with the window frame 22 through a hinge, the window body 21 and the window frame 22 will naturally separate when they are not locked, and cannot be closed, so when the inclined part 12 disengages from the window frame 22 and no longer abuts against the window frame 22, the window body 21 will automatically leave the window frame 22 to open the window body 21.
[0034] The window lock is simple to operate, and the locking and separation of the window body 21 and the window frame 22 can be realized by only pressing or releasing the pressing block 11; the window lock only needs to be installed on the window body 21, and the inclined part 12 of the window lock body 1 is used to abut against the window frame 22 to realize the locking of the window body 21 and the window frame 22, which is more simple and convenient to operate, and the installation is more simple and less prone to errors; the window lock has a simple structure, mainly realizes the locking function of the window body 21 and the window frame 22 through the structure of the window lock body 1 itself, and has a smaller dependence on internal components, so that even if the internal components are rusted, the window lock can still maintain good locking function and has low production and processing cost.
[0035] In example 2, the window lock body 1 is designed to be integrally formed through a stamping process and a bending process, which avoids a welding process, improves the overall strength of the window lock body 1 and improves the durability, and the stamping process and the bending process can maintain the consistency of the product, simplify the process, shorten the production cycle, improve the production efficiency and reduce the production cost.
[0036] In the embodiment 3, the tilt part 12 is preferably designed based on the embodiment 1, and the tilt part 12 is downwardly tilted at an angle ranging from 23° to 25°, and in this embodiment, the angle is 24°, which is more favorable to abut against the window frame 22.
[0037] In the embodiment 4, the pressing block 11 is preferably designed based on the embodiment 1, and a convex knob 111 is formed on the center of the pressing block 11, which is more convenient for actual operation, and the smooth transition at the edge of the convex knob 111 avoids hurting the operator.
[0038] In the embodiment 5, the two fixed plates 3 are arranged on the left and right sides of the window lock body 1, and the fixed plates 3 are connected to the window body 21 by a detachable connection, so as to fix the window lock body 1 on the window body 21. Specifically, the fixed plates 3 extend outward along the left and right sides of the window lock body 1 to form the extension parts 30, the extension parts 30 are parallel to the surface of the window body 21, the extension parts 30 are bent downward on the side close to the window lock body 1 to form the bent parts 31, and the bottoms of the two bent parts 31 are integrally connected to the left and right sides of the bottom of the window lock body 1, that is, the bent parts 31 of the two fixed plates 3 extend upward from the left and right sides of the bottom of the window lock body 1, and the tops of the bent parts 31 extend outward to form the extension parts 30.
[0039] Specifically, two mounting holes 32 are formed on the surface of each extension part 30 of the two fixed plates 3, a bolt passes through the mounting hole 32 and is connected with a nut to fix the window lock body 1 on the window body 21. By arranging the fixed plates 3 on the left and right sides of the window lock body 1 and fixing the extension parts 30 of the fixed plates 3 parallel to the window body 21 by a threaded connection, the window lock body 1 is stably installed on the window body 21.
[0040] In the embodiment 5, the two fixed plates 3 are arranged on the left and right sides of the window lock body 1, and the fixed plates 3 are connected to the window body 21 by a detachable connection, so as to fix the window lock body 1 on the window body 21. Specifically, the fixed plates 3 extend outward along the left and right sides of the window lock body 1 to form the extension parts 30, the extension parts 30 are parallel to the surface of the window body 21, the extension parts 30 are bent downward on the side close to the window lock body 1 to form the bent parts 31, and the bottoms of the two bent parts 31 are integrally connected to the left and right sides of the bottom of the window lock body 1, that is, the bent parts 31 of the two fixed plates 3 extend upward from the left and right sides of the bottom of the window lock body 1, and the tops of the bent parts 31 extend outward to form the extension parts 30. Specifically, two mounting holes 32 are formed on the surface of each extension part 30 of the two fixed plates 3, a bolt passes through the mounting hole 32 and is connected with a nut to fix the window lock body 1 on the window body 21. By arranging the fixed plates 3 on the left and right sides of the window lock body 1 and fixing the extension parts 30 of the fixed plates 3 parallel to the window body 21 by a threaded connection, the window lock body 1 is stably installed on the window body 21.
[0041] Preferably, the bottom of the inclined part 12 extends downward and inward to form a connecting part 5, which is fixedly connected to the bottom of the window lock body 1; the left and right sides of the connecting part 5 are respectively fixed with connecting plates 51, which are located on the inner side of the fixed plate 3 and are parallelly connected to the extension part 30 of the fixed plate 3, and the two ends of the positioning pin 42 respectively pass through the two connecting plates 51, so that the end of the positioning pin 42 simultaneously passes through the connecting plate 51 and the fixed plate 3, further enhancing the connection stability of the torsional spring 4 and improving the stability of the window lock body 1.
[0042] The above embodiments only express the specific implementation manners of the present application, which are described in detail, but cannot be understood as the limitation of the protection scope of the present application. It should be pointed out that, for those skilled in the art, some modifications and improvements can be made without departing from the technical concept of the present application, which all belong to the protection scope of the present application.
Claims
1. A window lock for a sliding sash window, characterised in that: The application relates to a window lock body (1) fixed at the edge of a window body (21), wherein the window lock body (1) comprises a pressing block (11) with one end extending along the direction parallel to the window body (21) and the other end being inclined downward to form an inclined part (12) which extends outward beyond the edge of the window body (21) and abuts against the inner side of a window frame (22) to fix the window body (21) in the window frame (22).
2. A window lock for a sliding window according to claim 1, wherein: The window lock body (1) is integrally formed through stamping and bending processes.
3. A window lock for a sliding window according to claim 1, wherein: The inclined part (12) is inclined downward at an angle ranging from 23 to 25 degrees.
4. A window lock for a sliding window according to claim 1, wherein: The center of the pressing block (11) is protruded upward to form a knob (111) with a smooth edge.
5. A sash lock for a sliding sash window according to claim 1, wherein: Both sides of the window lock body (1) are provided with fixing plates (3) which are connected with the window body (21) in a detachable mode to fix the window lock body (1) on the window body (21).
6. A window lock for a sliding window according to claim 5 wherein: The fixing plates (3) extend outward along both sides of the window lock body (1) and are bent downward near the window lock body (1) to form bent parts (31) which are fixedly connected with the bottom of the window lock body (1).
7. A window lock for a sliding sash window according to any one of claims 1 to 6, wherein: The window lock body (1) is further provided with a reset member which pushes up the pressed pressing block (11) to reset.
8. A window lock for a sliding window according to claim 7 wherein: The reset member comprises a torsion spring (4) with one end extending upward to abut against the bottom surface of the pressing block (11) and the other end extending downward to abut against the bottom of the window lock body (1), and the spring body (41) of the torsion spring (4) is horizontally arranged in the window lock body (1).
9. A window lock for a sliding sash window according to claim 8, wherein: The spring body (41) of the torsion spring (4) is sleeved and fixed on a positioning pin (42) with both ends of the positioning pin (42) penetrating through the bent parts (31) on both sides to limit the displacement of the torsion spring (4).
10. A window lock for a sliding window according to claim 9 wherein: The bottom of the inclined part (12) extends inward downward to form a connecting part (5) which is fixedly connected with the bottom of the window lock body (1), and both sides of the connecting part (5) are fixedly provided with connecting plates (51) which are located on the inner side of the fixing plate (3) and through which both ends of the positioning pin (42) penetrate.