Lift-assisting anti-falling device
By using an integrated lifting and anti-detachment device, the suspension support and the anti-detachment protrusion on the window frame mutually restrict each other, solving the problem of the anti-detachment block of the inward-opening and tilting window coming loose from the lifting seat, improving the installation and positioning strength, and reducing safety hazards and maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN GAOKAIDA HARDWARE TECH CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-19
AI Technical Summary
The existing anti-detachment blocks and lifting seats for inward-opening and tilting windows have limited installation and positioning strength, making them prone to loosening, resulting in safety hazards and high maintenance costs.
A lifting and anti-detachment device is designed, comprising an integrally formed lifting block and an anti-detachment block. By setting a first anti-detachment protrusion on the suspension support and a second anti-detachment protrusion on the window frame, a mutual restraining effect is achieved, thereby improving the installation and positioning strength.
It effectively reduces the chance of loosening, lowers safety hazards and maintenance costs, and improves safety and lifespan.
Smart Images

Figure CN224260132U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of door and window accessories, and in particular to a lifting and anti-detachment device. Background Technology
[0002] Currently, assembling inward-opening and tilt-and-turn windows typically requires individual components such as a swivel support, anti-detachment block, lifting aid, lifting seat, corner bracket, transmission lock box, handle, and hinges (as disclosed in Chinese patent publications CN219711341U and CN212716334U). The swivel support is slidably mounted on the lower side wall of the window sash; the anti-detachment block is mounted on the inner side wall of the window frame to restrict and support the swivel support, thus supporting the window sash, and therefore bears the force of the window sash. The lifting aid is located on the bottom surface of the window sash; the lifting seat is mounted on the lower inner wall of the window frame. The lifting seat not only lifts the lifting aid to support the window sash but also serves as a mounting point for the swivel support, allowing it to restrict and support the swivel support; therefore, the lifting seat also bears the force of the window sash.
[0003] Because existing window sashes are generally quite heavy, the anti-detachment blocks and lifting brackets are subjected to considerable forces. Furthermore, due to the limited gap between the window sash and the frame in inward-opening and tilt-and-turn windows, the anti-detachment blocks and lifting brackets are typically small. Small anti-detachment blocks and lifting brackets are difficult to install with high strength, thus limiting their installation positioning strength. In addition, the separate installation of the anti-detachment blocks and lifting brackets further exacerbates this limitation, making them prone to loosening after a period of use. This not only poses safety hazards but also increases maintenance costs for users.
[0004] Therefore, it is essential to design a lifting and anti-detachment device to solve the above-mentioned technical problems. Utility Model Content
[0005] The purpose of this utility model is to solve the above-mentioned problems and shortcomings, and to provide a lifting and anti-detachment device. This lifting and anti-detachment device can generate mutual restraint, which can effectively improve the strength of installation and positioning, thereby greatly reducing the probability of loosening. It can not only reduce safety hazards, but also reduce the user's maintenance costs.
[0006] The technical solution of this utility model is implemented as follows:
[0007] A lifting and anti-detachment device is characterized by including a suspension support and a lifting and anti-detachment locking seat, wherein the lifting and anti-detachment locking seat includes an integrally formed lifting block and an anti-detachment block, the lifting block is provided with a limiting groove for the lower end of the suspension support to be inserted, and the suspension support is integrally formed with a first anti-detachment protrusion that can interact with the anti-detachment block to achieve the anti-detachment effect.
[0008] Preferably, the lifting block is a horizontally extending block, the anti-detachment block is a vertically extending block, the lower end of the anti-detachment block is connected to the left or right end of the lifting block, and the limiting groove is formed on the top surface of the lifting block.
[0009] Preferably, the lifting block includes an integrally formed lifting part and a first hook part. The first hook part is located on the bottom surface of the lifting part. A first top-hanging screw is screwed onto the lifting part, and one end of the first top-hanging screw is obliquely downward and inserted into the rear side of the first hook part. The first top-hanging screw inserted into the rear side of the first hook part constitutes a first top-hanging part with a hooking direction opposite to that of the first hook part.
[0010] Preferably, a guide slope is provided on the top edge of the lifting part.
[0011] Preferably, the first hook part is a strip-shaped hook part.
[0012] Preferably, the side wall of the lifting block is provided with a first hidden groove extending downwards to the side wall of the first hook part, and the bottom of the first hidden groove is provided with a first threaded hole extending downwards to the first hook part, and the first top screw is screwed into the first threaded hole.
[0013] Preferably, the anti-detachment block includes an integrally formed vertical strip and a second hook portion, and a second anti-detachment protrusion that can interact with the first anti-detachment protrusion to achieve the anti-detachment effect. The second hook portion and the second anti-detachment protrusion are respectively located on two surfaces of the vertical strip. A second top-hanging screw is screwed onto the vertical strip, and one end of the second top-hanging screw is tilted toward the second hook portion and inserted into the rear side of the second hook portion. The second top-hanging screw inserted into the rear side of the second hook portion constitutes a second top-hanging portion with the hooking direction opposite to that of the second hook portion.
[0014] Preferably, a reinforcing protrusion is integrally formed on the upper end of the vertical strip, and the second top-mounted screw is located inside the reinforcing protrusion.
[0015] Preferably, a second hidden groove is provided on the side wall of the reinforcing protrusion, inclined toward the direction of the second hook part, and the second hidden groove extends to the side wall of the second hook part. A second threaded hole is provided at the bottom of the second hidden groove, inclined toward the direction of the second hook part, and the second threaded hole extends through the second hook part. The second top screw is screwed onto the second threaded hole.
[0016] Preferably, the second hook part is a vertically extending strip-shaped hook part, and the second hook part is located on the upper end of the vertical strip.
[0017] The beneficial effects of this utility model are as follows: In this lifting and anti-detachment device, the lifting and anti-detachment locking seat includes an integrally formed lifting block and an anti-detachment block. During installation, the lifting block and the anti-detachment block can mutually restrict each other, effectively improving the installation and positioning strength of the lifting and anti-detachment locking seat, thereby greatly reducing the probability of loosening. This not only helps reduce safety hazards but also reduces user maintenance costs. Furthermore, by integrally forming a first anti-detachment protrusion on the suspension support that interacts with the anti-detachment block to achieve the anti-detachment effect, the anti-detachment performance of the lifting and anti-detachment device is effectively improved, which also helps to enhance safety and lifespan. Attached Figure Description
[0018] Figure 1 This is one of the three-dimensional structural schematic diagrams of the lifting and anti-detachment device in this utility model.
[0019] Figure 2 This is the second three-dimensional structural diagram of the lifting and anti-detachment device in this utility model.
[0020] Figure 3 This is one of the three-dimensional structural diagrams of the lifting and anti-loosening locking seat in this utility model.
[0021] Figure 4 This is the second three-dimensional structural diagram of the lifting and anti-loosening locking seat in this utility model.
[0022] Figure 5 This is one of the three-dimensional structural diagrams of the suspension support in this utility model.
[0023] Figure 6 This is the second three-dimensional structural diagram of the suspension support in this utility model. Detailed Implementation
[0024] like Figure 1 and Figure 2 As shown, the lifting and anti-detachment device of this utility model includes a suspension support 1 and a lifting and anti-detachment locking seat 2. The lifting and anti-detachment locking seat 2 includes an integrally formed lifting block 21 and an anti-detachment block 22. The lifting block 21 is provided with a limiting groove 23 for the lower end of the suspension support 1 to be inserted. The suspension support 1 is integrally formed with a first anti-detachment protrusion 11 that can interact with the anti-detachment block 22 to achieve the anti-detachment effect.
[0025] In this lifting and anti-detachment device, the lifting and anti-detachment locking seat 2 includes an integrally formed lifting block 21 and an anti-detachment block 22. During installation, the lifting block 21 and the anti-detachment block 22 mutually restrict each other, effectively improving the installation and positioning strength of the lifting and anti-detachment locking seat 2, thereby greatly reducing the probability of loosening. This not only reduces safety hazards but also lowers user maintenance costs. A first anti-detachment protrusion 11, integrally formed on the suspension support 1, interacts with the anti-detachment block 22 to achieve an anti-detachment effect; this effectively improves the anti-detachment performance of the lifting and anti-detachment device, which also enhances safety and lifespan.
[0026] like Figure 3 and Figure 4 As shown, the lifting block 21 is a horizontally extending block, and the anti-detachment block 22 is a vertically extending block. The lower end of the anti-detachment block 22 connects to the left or right end of the lifting block 21, and the limiting groove 23 is formed on the top surface of the lifting block 21. This type of lifting anti-detachment lock seat 2 is not only easy to manufacture, but also occupies less space and provides more contact points during installation and positioning, thereby further improving the stability and reliability of the installation and positioning of the lifting anti-detachment device.
[0027] like Figures 1 to 4 As shown, the lifting block 21 includes an integrally formed lifting part 211 and a first hook part 212. The first hook part 212 is located on the bottom surface of the lifting part 211. A first top-hanging screw 213 is screwed onto the lifting part 211, with one end of the first top-hanging screw 213 obliquely downward and inserted into the rear side of the first hook part 212. The first top-hanging screw 213 inserted into the rear side of the first hook part 212 constitutes a first top-hanging part 214 with the hooking direction opposite to that of the first hook part 212. This not only facilitates the installation of the lifting block 21, but also makes the installation and positioning of the lifting block 21 very stable and reliable, and facilitates disassembly and maintenance, thereby helping to further improve the reliability and applicability of the lifting anti-detachment device.
[0028] The lifting block 21 is mainly installed on the lower frame of the window frame (not shown in the figure) with the first T-shaped slot, which is located on the top surface of the lower frame. During installation, first ensure that the first top-mounted part 214 does not protrude outwards or protrudes only slightly; then place the first hook part 212 in the first T-shaped slot; then hook the first hook part 212 onto the inner groove on one side of the first T-shaped slot; then tighten the first top-mounted screw 213 so that the first top-mounted part 214 on the first top-mounted screw 213 hooks onto the inner groove on the other side of the first T-shaped slot; thus, the first hook part 212 and the first top-mounted part 214 together can stably fix the lifting block 21 to the lower frame.
[0029] like Figure 3 As shown, a guide slope 2111 is provided on the top edge of the lifting aid 211. This guide slope 2111 can guide the lifting aid at the bottom of the window sash, thereby enabling a smooth lifting action. This makes the use of the inward-opening and tilt-and-turn window very comfortable, without producing large collisions or noise.
[0030] like Figure 3 and Figure 4 As shown, the first hook part 212 is a strip-shaped hook part. This enables the first hook part 212 to have a stronger hooking effect, thereby helping to further improve the stability and reliability of the installation and positioning of the lifting block 21, and thus helping to further improve the reliability and applicability of the lifting anti-detachment device.
[0031] like Figures 1 to 4 As shown, the lifting block 21 has a first hidden groove 215 extending obliquely downwards through the side wall of the first hook portion 212. The bottom of the first hidden groove 215 has a first threaded hole 216 extending obliquely downwards through the first hook portion 212. The first top-mounted screw 213 is screwed into the first threaded hole 216. This design effectively conceals the first top-mounted screw 213 and the first threaded hole 216, preventing the first top-mounted screw 213 from protruding, thus ensuring a highly coordinated structure and high quality for the lifting block 21. Furthermore, this reduces the amount of drilling required for the first threaded hole 216, improving manufacturing efficiency.
[0032] like Figure 1 and Figure 2 As shown, the first mounting screw 213 is a set screw, which not only provides a good mounting function, but also facilitates concealment and installation, thereby better meeting the needs of actual use.
[0033] like Figures 1 to 4 As shown, the anti-detachment block 22 includes an integrally formed vertical strip 221 and a second hook part 222, and a second anti-detachment protrusion 223 that can interact with the first anti-detachment protrusion 11 to achieve the anti-detachment effect. The second hook part 222 and the second anti-detachment protrusion 223 are respectively located on two surfaces of the vertical strip 221. A second top-hanging screw 224 is screwed onto the vertical strip 221, and one end of the second top-hanging screw 224 is inclined toward the second hook part 222 and inserted into the rear side of the second hook part 222. The second top-hanging screw 224 inserted into the rear side of the second hook part 222 constitutes a second top-hanging part 225 that is opposite to the hooking direction of the second hook part 222. This not only facilitates the installation of the anti-detachment block 22, but also makes the installation and positioning of the anti-detachment block 22 very stable and reliable, and facilitates disassembly and maintenance. Furthermore, this allows the anti-detachment block 22 to have a compact structure, which helps to reduce space occupation, thereby helping to further improve the reliability and applicability of the lifting anti-detachment device.
[0034] like Figure 3 and Figure 4 As shown, the vertical strip 221 and the lifting part 211 are an integral structure, which can form an integral lifting anti-detachment locking seat 2, thereby ensuring that the lifting anti-detachment device has high reliability.
[0035] The anti-detachment block 22 is mainly installed on the side frame of the window frame with the second T-shaped slot (not shown in the figure). The second T-shaped slot is located on the surface of the side frame facing the window sash. During installation, first ensure that the second top-hanging part 225 does not protrude outward or protrudes slightly outward; then place the second hook part 222 in the second T-shaped slot; then hook the second hook part 222 onto the inner groove on one side of the second T-shaped slot; then tighten the second top-hanging screw 224 so that the second top-hanging part 225 on the second top-hanging screw 224 hooks onto the inner groove on the other side of the second T-shaped slot; in this way, the second hook part 222 and the second top-hanging part 225 can be used together to stably fix the anti-detachment block 22 to the side frame.
[0036] like Figure 1 and Figure 3 As shown, a reinforcing protrusion 226 is integrally formed on the upper end of the vertical strip 221, and the second top-mounted screw 224 is located inside the reinforcing protrusion 226. This effectively strengthens the mounting point of the second top-mounted screw 224 using the reinforcing protrusion 226, thereby improving the stability and reliability of the anti-detachment block 22's installation and positioning. By integrally forming the reinforcing protrusion 226 on the upper end of the vertical strip 221, and with the second top-mounted screw 224 located inside the reinforcing protrusion 226, the second top-mounted screw 224 is also located on the upper end of the vertical strip 221. This not only ensures that the reinforcing protrusion 226 has a very reliable strengthening effect, but also stably limits the upper end of the vertical strip 221 using the second top-mounted screw 224. Since the lower end of the vertical strip 221 is limited by the lifting block 21, there is no need to set other second top-mounted screws 224, which makes the installation and positioning of the anti-detachment block 22 very stable and reliable. This greatly reduces the manufacturing difficulty and cost of the anti-detachment block 22 while ensuring the installation and positioning strength of the anti-detachment block 22, thereby helping to further improve the reliability and applicability of the lifting and anti-detachment device.
[0037] like Figure 3 and Figure 4As shown, during installation, one surface of the vertical strip 221 faces the side frame, and the other surface faces the window sash, thus forming the inner and outer surfaces of the vertical strip 221. The surface of the vertical strip 221 facing the side frame is the inner surface, and the surface facing the window sash is the outer surface. The reinforcing protrusion 226 and the second anti-detachment protrusion 223 are located on the outer surface of the vertical strip 221, and the second hook part 222 is located on the inner surface of the vertical strip 221. This effectively satisfies the functions of installation positioning and anti-detachment.
[0038] like Figures 1 to 4 As shown, a second hidden groove 227 is inclined towards the second hook portion 222 and extends through the vertical strip 221 on the side wall of the reinforcing protrusion 226. The second hidden groove 227 extends to the side wall of the second hook portion 222. A second threaded hole 228 inclined towards the second hook portion 222 is formed at the bottom of the groove 227 and extends through the second hook portion 222. The second top-mounted screw 224 is screwed into the second threaded hole 228. This facilitates the concealment of the second top-mounted screw 224 and the second threaded hole 228, preventing the second top-mounted screw 224 from protruding outwards, thus making the structure of the anti-detachment block 22 very harmonious and of high quality. Furthermore, this reduces the amount of the second threaded hole 228 that needs to be drilled, which helps to improve manufacturing efficiency.
[0039] like Figure 1 and Figure 2 As shown, the second top-mounting screw 224 is a set screw, which not only provides a good top-mounting function, but also facilitates concealment and installation, thereby better meeting the needs of actual use.
[0040] like Figure 3 and Figure 4 As shown, the second hook portion 222 is a vertically extending strip-shaped hook portion, located at the upper end of the vertical strip 221. This enables the second hook portion 222 to have a stronger hooking effect, thereby further improving the stability and reliability of the anti-detachment block 22's installation and positioning, and thus contributing to further improving the reliability and applicability of the lifting and anti-detachment device. By positioning the second hook portion 222 at the upper end of the vertical strip 221, the second hook portion 222 and the lifting block 21 can reliably position the upper and lower ends of the vertical strip 221, respectively, eliminating the need for other positioning structures on the vertical strip 221. This significantly reduces the manufacturing difficulty and cost of the anti-detachment block 22 while ensuring its installation and positioning strength, thereby contributing to further improving the reliability and applicability of the lifting and anti-detachment device.
[0041] like Figure 4As shown, a vertically extending reinforcing rib 229 is integrally formed on the anti-detachment block 22, and the lower end of the reinforcing rib 229 is connected to the lifting block 21. Specifically, a vertically extending reinforcing rib 229 is integrally formed on the inner surface of the vertical strip 221, the upper end of the reinforcing rib 229 is connected to the second hook part 222, and the lower end of the reinforcing rib 229 is connected to the lifting block 21 and the first hook part 212. This effectively enhances the structural strength of the lifting and anti-detachment device, thereby facilitating further improvement in the stability and reliability of the installation and positioning of the lifting and anti-detachment device, and thus contributing to further improving the reliability and applicability of the lifting and anti-detachment device.
[0042] like Figure 5 and Figure 6 As shown, the lower end of the suspension support 1 is a horizontally cross-section with a square or nearly square insert portion 12. This gives the insert portion of the suspension support 1 high structural strength, thereby providing a more stable and reliable support function, which in turn helps to further improve the reliability and applicability of the lifting and anti-detachment device.
[0043] like Figure 3 and Figure 4 As shown, the lifting aid 211, the first hook 212, the vertical strip 221, the second hook 222, the second anti-loosening protrusion 223, the reinforcing protrusion 226, and the reinforcing rib 229 are integrally formed, thus constituting an integrally formed lifting aid anti-loosening lock seat 2, which can effectively improve the strength of installation and positioning, thereby greatly reducing the probability of loosening. It can not only reduce safety hazards, but also reduce the user's maintenance costs.
[0044] The above embodiments are preferred embodiments of this utility model. All structures similar to this utility model and equivalent changes thereof should fall within the protection scope of this utility model.
Claims
1. A lifting and anti-detachment device, characterized in that: It includes a suspension support (1) and a lifting anti-detachment lock seat (2), wherein the lifting anti-detachment lock seat (2) includes an integrally formed lifting block (21) and an anti-detachment block (22). The lifting block (21) is provided with a limiting groove (23) for the lower end of the suspension support (1) to be inserted. The suspension support (1) is integrally formed with a first anti-detachment protrusion (11) that can interact with the anti-detachment block (22) to achieve the anti-detachment effect.
2. The lifting and anti-detachment device according to claim 1, characterized in that: The lifting block (21) is a horizontally extending block, the anti-detachment block (22) is a vertically extending block, the lower end of the anti-detachment block (22) is connected to the left or right end of the lifting block (21), and the limiting groove (23) is opened on the top surface of the lifting block (21).
3. The lifting and anti-detachment device according to claim 1 or 2, characterized in that: The lifting block (21) includes an integrally formed lifting part (211) and a first hook part (212). The first hook part (212) is located on the bottom surface of the lifting part (211). A first top-hanging screw (213) is screwed onto the lifting part (211), and one end of the first top-hanging screw (213) is obliquely inserted downward through the rear side of the first hook part (212). The first top-hanging screw (213) inserted through the rear side of the first hook part (212) constitutes a first top-hanging part (214) with the hooking direction opposite to that of the first hook part (212).
4. The lifting and anti-detachment device according to claim 3, characterized in that: The top edge of the lifting part (211) is provided with a guide slope (2111).
5. The lifting and anti-detachment device according to claim 3, characterized in that: The first hook part (212) is a strip hook part.
6. The lifting and anti-detachment device according to claim 3, characterized in that: The side wall of the lifting block (21) is provided with a first hidden groove (215) that extends through to the side wall of the first hook part (212). The bottom of the first hidden groove (215) is provided with a first threaded hole (216) that extends through the first hook part (212). The first top screw (213) is screwed into the first threaded hole (216).
7. The lifting and anti-detachment device according to claim 1 or 2, characterized in that: The anti-detachment block (22) includes an integrally formed vertical strip (221) and a second hook part (222) and a second anti-detachment protrusion (223) that can interact with the first anti-detachment protrusion (11) to achieve the anti-detachment effect. The second hook part (222) and the second anti-detachment protrusion (223) are respectively located on two surfaces of the vertical strip (221). A second top-hanging screw (224) is screwed onto the vertical strip (221), and one end of the second top-hanging screw (224) is tilted toward the second hook part (222) and inserted into the rear side of the second hook part (222). The second top-hanging screw (224) inserted into the rear side of the second hook part (222) constitutes a second top-hanging part (225) opposite to the hooking direction of the second hook part (222).
8. The lifting and anti-detachment device according to claim 7, characterized in that: The upper end of the vertical strip (221) is integrally formed with a reinforcing protrusion (226), and the second top screw (224) is located inside the reinforcing protrusion (226).
9. The lifting and anti-detachment device according to claim 8, characterized in that: The side wall of the reinforcing protrusion (226) is provided with a second hidden groove (227) that penetrates the vertical strip (221) at an incline toward the second hook part (222), and the second hidden groove (227) penetrates the side wall of the second hook part (222). The bottom of the second hidden groove (227) is provided with a second threaded hole (228) that is inclined toward the second hook part (222), and the second threaded hole (228) penetrates the second hook part (222). The second top screw (224) is screwed into the second threaded hole (228).
10. The lifting and anti-detachment device according to claim 7, characterized in that: The second hook part (222) is a vertically extending strip hook part, and the second hook part (222) is located on the upper end of the vertical strip (221).