Simple anti-theft device for sliding window

By combining support rods, adjusting rods, and locking mechanisms, the problem of weak load-bearing capacity of a single hook and difficulty in preventing theft when multiple windows are combined is solved, achieving overall fixation of multiple window sashes and a highly efficient anti-theft effect.

CN224134494UActive Publication Date: 2026-04-17CHINA HUAYE GROUP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA HUAYE GROUP
Filing Date
2025-05-08
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing horizontal sliding windows typically rely on a single hook to restrict movement, have weak load-bearing capacity, and are difficult to combine into an overall anti-theft system when multiple windows are combined, thus limiting their protection.

Method used

The device employs a combination of support rods, adjusting rods, anti-theft mechanisms, and locking mechanisms. Through the insertion and locking structure of the support rods and adjusting rods, multiple window sashes are fixed together. Elastic abutments and rubber blocks are used to increase friction, ensuring the stability and anti-theft effect of the device.

Benefits of technology

It achieves overall anti-theft effect for multiple sliding windows, the device is easy to install, has strong load-bearing capacity, is not easy to detach or deform, and significantly improves anti-theft performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of anti-theft equipment for sliding windows, in particular to a simple anti-theft device for a sliding window. According to the technical scheme, the window comprises a first window sash and a second window sash and further comprises a supporting sleeve rod and an adjusting insertion rod which are arranged in the middle of the first window sash and the middle of the second window sash and connected in an inserted mode. The anti-theft mechanism is installed on the supporting sleeve rod and the adjusting insertion rod and used for fixing the first window sash and the second window sash. According to the simple anti-theft device for the sliding window, the supporting sleeve rod, the adjusting insertion rod, the anti-theft mechanism, the locking mechanism and the like are matched, so that the simple anti-theft device for the sliding window is simple and convenient in manufacturing process and efficient and rapid in installation process in construction and installation links, and time and labor cost can be greatly saved; in terms of safety performance, the device is high in bearing capacity, not prone to disengagement and deformation and capable of effectively resisting external force, and the anti-theft effect is remarkably improved. In addition, the device is adaptive to a plurality of sliding windows, and only one device needs to be mounted between every two window sashes, so that the integral theft prevention of the plurality of window sashes can be realized, and the problems that the window sashes are independent and are difficult to collaboratively prevent theft are perfectly solved.
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Description

Technical Field

[0001] This utility model relates to the technical field of anti-theft devices for sliding windows, and in particular to a simple anti-theft device for sliding windows. Background Technology

[0002] Sliding windows are a common type of window, opening and closing by the sliding of the window sash along a track within the window frame. Currently, horizontal (left-right) sliding windows typically rely on a single hook structure to restrict movement, making them vulnerable to external forces and prone to detachment or deformation under significant pushing or pulling forces. Furthermore, sliding window hooks are mostly designed for single-sash windows, relying on the interlocking of the hook between the window frame and the sash to restrict movement. When multiple sliding windows are combined, the sashes are connected independently with varying movement spaces, meaning the hooks can only act on each sash individually. This makes it impossible to create a unified, interconnected security system and to effectively secure and protect multiple windows simultaneously. Utility Model Content

[0003] The purpose of this invention is to address the problems of current horizontal sliding windows, which typically rely on a single hook to restrict movement, have weak load-bearing capacity, and are difficult to form an integrated anti-theft system when multiple windows are combined, thus limiting protection. This invention proposes a simple anti-theft device for sliding windows.

[0004] The technical solution of this utility model is a simple anti-theft device for sliding windows, including a first window sash and a second window sash, and further including: a support sleeve rod and an adjusting rod that are interlocked in the middle of the first window sash and the second window sash; an anti-theft mechanism that is installed on the support sleeve rod and the adjusting rod to fix the position of the first window sash and the second window sash; and a locking mechanism that is installed on the support sleeve rod to fix the support sleeve rod and the adjusting rod in an interlocking manner.

[0005] Optionally, the anti-theft mechanism includes a first L-shaped locking plate fixedly connected to the end of the support sleeve rod away from the adjusting rod, which locks the second window sash; a second L-shaped locking plate fixedly connected to the end of the adjusting rod away from the support sleeve rod, which locks the first window sash; a retaining spring provided inside the support sleeve rod; one end of the retaining spring fixedly connected to the inner wall of the support sleeve rod; and the other end of the retaining spring fixedly connected to the end of the adjusting rod.

[0006] Optionally, a pair of first elastic abutments are fixedly connected to the first L-shaped card plate, and a pair of second elastic abutments are fixedly connected to the second L-shaped card plate.

[0007] Optionally, the locking mechanism includes a support sleeve fixedly connected to the support sleeve rod, a spiral rod screwed onto the support sleeve, and a rubber abutment that abuts against the adjusting rod after one end of the spiral rod spirally passes through the support sleeve.

[0008] Optionally, a handle is fixedly connected to the end of the helical rod away from the support sleeve.

[0009] Optionally, a limiting groove is provided on the support sleeve rod, and a limiting block that slides into the limiting groove is fixedly connected to one end of the adjusting rod inserted into the support sleeve rod.

[0010] Optionally, the end of the support sleeve rod away from the adjusting rod is fixedly connected to a plurality of first anti-slip pads arranged in a linear pattern, and the end of the adjusting rod away from the support sleeve rod is fixedly connected to a plurality of second anti-slip pads corresponding to the first anti-slip pads.

[0011] Optionally, the end of the limiting block away from the adjusting rod is provided with a hemispherical abutment.

[0012] In summary, this application includes at least one of the following beneficial technical effects:

[0013] This utility model utilizes the cooperation of a support sleeve, an adjusting rod, an anti-theft mechanism, and a locking mechanism to create a simple anti-theft device for sliding windows. The manufacturing process is simple, and the installation is efficient and quick, significantly saving time and labor costs. In terms of safety, the device has strong load-bearing capacity, is not easily detached or deformed, and can effectively resist external forces, significantly improving the anti-theft effect. Furthermore, this device is compatible with multiple sliding windows; simply installing one between each window sash achieves overall anti-theft for multiple windows, perfectly solving the problem of independent windows and the difficulty in coordinating anti-theft measures. Attached Figure Description

[0014] Figure 1 A structural schematic diagram of the simple anti-theft device for sliding windows of this utility model is provided;

[0015] Figure 2 for Figure 1 Schematic diagram of the connection structure between the middle support sleeve and the adjusting rod;

[0016] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure.

[0017] Reference numerals in the attached drawings: 1. First window sash; 2. Second window sash; 3. Support rod; 31. Support base; 32. Spiral rod; 33. Handle; 34. Rubber abutment block; 35. First L-shaped retaining plate; 36. First elastic retaining plate; 37. Pressing spring; 38. Limiting groove; 39. First anti-slip pad; 4. Adjusting rod; 41. Second L-shaped retaining plate; 42. Second elastic retaining plate; 43. Second anti-slip pad; 44. Limiting block. Detailed Implementation

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0019] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0020] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Example

[0025] like Figures 1 to 3As shown, the simple anti-theft device for sliding windows proposed in this utility model includes a first window sash 1 and a second window sash 2. A support sleeve 3 and an adjusting rod 4 are interlocked in the middle of the first window sash 1 and the second window sash 2. The interlocking of the support sleeve 3 and the adjusting rod 4 allows the total length between them to be adjusted according to the width of the first window sash 1 and the second window sash 2, thus adapting to different sizes of the first window sash 1 and the second window sash 2. A limiting groove 38 is provided on the support sleeve 3. One end of the adjusting rod 4, inserted into the support sleeve 3, is fixedly connected to a limiting block 44 that slides within the limiting groove 38. The length by which the limiting block 44 slides within the limiting groove 38 is the travel distance of the adjusting rod 4 within the support sleeve 3. A hemispherical abutment is provided at the end of the limiting block 44 away from the adjusting rod 4, ensuring that the end of the limiting block 44 will not hit a person.

[0026] Among them, such as Figure 2 and Figure 3 As shown, the support sleeve rod 3 and the adjusting rod 4 are equipped with anti-theft mechanisms to fix the positions of the first window sash 1 and the second window sash 2. The anti-theft mechanism includes a first L-shaped locking plate 35 fixedly connected to the end of the support sleeve rod 3 away from the adjusting rod 4, which locks the second window sash 2. A second L-shaped locking plate 41 fixedly connected to the end of the adjusting rod 4 away from the support sleeve rod 3, which locks the first window sash 1. The support sleeve rod 3 has an internal clamping spring 37 with a large elastic force. When installed, the ends of the support sleeve rod 3 and the adjusting rod 4 tightly press against the first window sash 1 and the second window sash 2. At this point, the support sleeve rod 3 and the adjusting rod 4 are difficult to remove directly. Only by opening the locking mechanism can the adjusting rod 4 be inserted into the support sleeve rod 3 to remove it. When inserting the adjusting rod 4 into the support sleeve rod 3, it requires forceful pressing or pushing with both hands to insert it. Under normal conditions, the installed support sleeve rod 3 and the adjusting rod 4 will not fall off due to slight vibration or contact. The clamping spring 37 causes the first elastic abutment 36 and the second elastic abutment 42 at the ends of the support sleeve 3 and the adjusting rod 4, which are pressed against the object, to be in an arc shape. After being pressed tightly against the object, they will stick tightly to the object, thereby achieving an anti-slip function. One end of the clamping spring 37 is fixedly connected to the inner wall of the support sleeve 3, and the other end of the clamping spring 37 is fixedly connected to the end of the adjusting rod 4.

[0027] In addition, such as Figure 2 and Figure 3As shown, a pair of first elastic abutments 36 are fixedly connected to the first L-shaped plate 35, and a pair of second elastic abutments 42 are fixedly connected to the second L-shaped plate 41. The first elastic abutments 36 and the second elastic abutments 42 are made of rubber. Their function is to forcefully press the object against the first L-shaped plate 35 and the second L-shaped plate 41. At this time, after the rubber is tightly pressed against the object, a large frictional force is generated, which makes the support sleeve rod 3 and the adjusting rod 4 more firmly pressed against the first window sash 1 and the second window sash 2.

[0028] It is worth noting that, such as Figure 3 As shown, a locking mechanism is installed on the support sleeve 3 to fix the support sleeve 3 and the adjusting rod 4 into place. The locking mechanism includes a support sleeve base 31 fixedly connected to the support sleeve 3, a spiral rod 32 spirally connected to the support sleeve base 31, a handle 33 fixedly connected to the end of the spiral rod 32 away from the support sleeve base 31, and a rubber abutment 34 fixedly connected to one end of the spiral rod 32 after spirally passing through the support sleeve base 31. The rubber abutment 34 increases the friction when the end of the spiral rod 32 abuts against the adjusting rod 4, preventing the adjusting rod 4 from sliding inside the support sleeve 3 after it is abutted by one end of the spiral rod 32.

[0029] Furthermore, such as Figure 2 As shown, a plurality of first anti-slip pads 39 are fixedly connected to the end of the support sleeve rod 3 away from the adjusting rod 4, and a plurality of second anti-slip pads 43 corresponding to the first anti-slip pads 39 are fixedly connected to the end of the adjusting rod 4 away from the support sleeve rod 3. The first anti-slip pads 39 and the second anti-slip pads 43 are made of rubber pads. Their function is to prevent slippage caused by the elastic thrust of the spring 37 and the low friction between the adjusting rod 4 and the support sleeve rod 3 when the adjusting rod 4 is manually inserted into the support sleeve rod 3.

[0030] In this embodiment, when using the simple anti-theft device for sliding windows, first manually hold the support sleeve rod 3 and the adjusting rod 4, then forcefully slide the adjusting rod 4 into the support sleeve rod 3, reducing the total length of the support sleeve rod 3 and the adjusting rod 4. Then place the support sleeve rod 3 and the adjusting rod 4 in this state at the bottom of the second window sash 2, and then release the support sleeve rod 3 and the adjusting rod 4. At this time, the adjusting rod 4, through the elastic thrust of the spring 37 inside the support sleeve rod 3, not only causes the first L-shaped locking plate 35 at the end of the support sleeve rod 3 to lock against the inner wall of the second window sash 2, but also causes the second L-shaped locking plate 41 at the end of the adjusting rod 4 to lock against the outer wall of the first window sash 1. The support sleeve rod 3 and the adjusting rod 4 are then visible at the bottom of the second window sash 2. Figure 1 As shown in the diagram, the first window sash 1 and the second window sash 2 can still slide within the window frame.

[0031] When it is necessary to prevent the first window sash 1 and the second window sash 2 from sliding within the window frame, simply turn the handle 33 to rotate the screw rod 32. Since the screw rod 32 is screwed to the support sleeve 31, the end of the screw rod 32 will cause the rubber stop 34 to press tightly against the adjusting rod 4. Furthermore, the large frictional force generated between the rubber stop 34 and the adjusting rod 4 prevents the adjusting rod 4 from sliding within the support sleeve 3, thus tightly locking the first window sash 1 and the second window sash 2 in place, preventing them from sliding within the window frame. This installation is convenient, quick, and efficient.

[0032] The preferred embodiments of this utility model described above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A simple security device for sliding windows comprising a first sash (1) and a second sash (2), characterized in that, Also includes: A support sleeve rod (3) and an adjusting rod (4) are interlocked in the middle of the first window sash (1) and the second window sash (2); The anti-theft mechanism is installed on the support sleeve (3) and the adjusting rod (4) to fix the positions of the first window sash (1) and the second window sash (2); A locking mechanism installed on the support sleeve (3) to fix the support sleeve (3) and the adjusting rod (4) into place.

2. The simple anti-theft device for sliding windows according to claim 1, characterized in that, The anti-theft mechanism includes a first L-shaped clamping plate (35) fixedly connected to the end of the support sleeve rod (3) away from the adjusting plug rod (4) to clamp the second window sash (2). The end of the adjusting plug rod (4) away from the support sleeve rod (3) is fixedly connected to a second L-shaped clamping plate (41) to clamp the first window sash (1). The support sleeve rod (3) is provided with a retaining spring (37). One end of the retaining spring (37) is fixedly connected to the inner wall of the support sleeve rod (3), and the other end of the retaining spring (37) is fixedly connected to the end of the adjusting plug rod (4).

3. The security device for sliding window according to claim 2, wherein, A pair of first elastic abutments (36) are fixedly connected to the first L-shaped plate (35), and a pair of second elastic abutments (42) are fixedly connected to the second L-shaped plate (41).

4. The security device for sliding window according to claim 1, wherein The locking mechanism includes a support sleeve (31) fixedly connected to the support sleeve rod (3), a spiral rod (32) is spirally connected to the support sleeve (31), and one end of the spiral rod (32) spirally passes through the support sleeve (31) and is fixedly connected to a rubber abutment (34) that abuts against the adjusting rod (4).

5. The security device for sliding window according to claim 4, wherein, A handle (33) is fixedly connected to the end of the spiral rod (32) away from the support sleeve (31).

6. The security device for sliding window according to claim 1, wherein The support sleeve (3) has a limiting groove (38), and one end of the adjusting rod (4) inserted into the support sleeve (3) is fixedly connected to a limiting block (44) that slides into the limiting groove (38).

7. The security device for sliding window according to claim 1, wherein The end of the support sleeve (3) away from the adjusting plug (4) is fixedly connected with a plurality of first anti-slip pads (39) arranged in a linear pattern, and the end of the adjusting plug (4) away from the support sleeve (3) is fixedly connected with a plurality of second anti-slip pads (43) corresponding to the first anti-slip pads (39).

8. The security device for sliding window according to claim 6, wherein The limiting block (44) has a hemispherical abutment at the end away from the adjusting rod (4).