Sliding window handle mechanism

Abstract

The utility model discloses a sliding window handle mechanism which is characterized in that one end of a handle body is provided with a barrel-shaped part, a cavity is formed in the barrel-shaped part, a first threaded hole is formed in the cavity, a fastener penetrates through a through hole in a placement seat to be in threaded connection with the first threaded hole, and a first bevel gear and a second bevel gear which are meshed with each other are rotationally arranged in the placement seat; a transmission clamping groove is formed in one end of the first bevel gear, a receding hole is formed in the position, corresponding to the transmission clamping groove, of the barrel-shaped part, a second threaded hole is formed in the middle of the second bevel gear and is in threaded connection with a screw rod part, the screw rod part is integrally formed on a square rod, and the end, close to the screw rod part, of the square rod is sleeved with a linkage limiting sleeve. The limiting sleeve is slidably arranged in the containing base, the limiting sleeve is sleeved with an installation base, the installation base is used for being fixed to a window sash, one end of the limiting sleeve is provided with a limiting step, and the limiting step can abut against the installation base. According to the utility model, the assembly of the sliding window handle can be conveniently realized, and the stability of the assembled handle is ensured.

Description

Technical Field

[0001] The utility model relates to window hardware fittings, in particular to a sliding window handle mechanism. Background Art

[0002] A sliding window is a window structure that can drive the window sash to slide to open or close. Generally, a handle mechanism needs to be provided on the window sash to control the locking or unlocking of the window sash. The Chinese patent document (Publication No.: CN221856448U; Publication Date: October 18, 2024) discloses a window sash handle mechanism convenient for assembly, including a handle, a mounting seat and a square rod. The mounting seat is fixed on the window sash, and it is characterized in that a first groove is arranged in the handle, a rotating sleeve is inserted into the first groove, a threaded hole is opened on the handle, a set screw is screwed in the threaded hole, one end of the set screw presses against the outer side wall of the rotating sleeve, the rotating sleeve passes through the mounting seat, a second groove is opened on the rotating sleeve, a part of the square rod is inserted into the second groove, a spring piece is arranged in the mounting seat, the middle part of one side of the spring piece abuts against the side wall of the rotating sleeve, and the two ends of the other side of the spring piece abut against the positioning parts in the mounting seat.

[0003] For the handle with the above structure, the axial positioning of the rotating sleeve between the handle and the rotating sleeve is only achieved by the friction force generated by pressing with the set screw. During actual use, axial relative sliding between the handle and the rotating sleeve is likely to occur, and the square rod itself may also have axial movement, affecting the stability of the handle during use. Summary of the Utility Model

[0004] In view of the deficiencies of the background art, the technical problem to be solved by the utility model is to provide a sliding window handle mechanism for solving the above problems.

[0005] To this end, the utility model is implemented as follows:

[0006] A sliding window handle mechanism includes a handle body. One end of the handle body has a cylindrical portion, and there is a cavity inside the cylindrical portion. It is characterized in that: a first threaded hole is provided in the cavity, and a placement seat is further included. A fastener passes through a through hole on the placement seat and is screwed with the first threaded hole to fix the placement seat in the cavity. A first bevel gear and a second bevel gear that mesh with each other are rotatably arranged in the placement seat. One end of the first bevel gear has a transmission slot, and a relief hole is provided in the cylindrical portion at a position corresponding to the transmission slot. A second threaded hole is provided in the middle of the second bevel gear, and the second threaded hole is screwed with a screw rod portion. The screw rod portion is integrally formed on a square rod. A linked limit sleeve is sleeved outside the square rod near one end of the screw rod portion. The limit sleeve is slidably arranged in the placement seat. An installation seat is sleeved outside the limit sleeve, and the installation seat is used to be fixed on a window sash. A limit step is provided at one end of the limit sleeve, and the limit step can abut against the installation seat.

[0007] A linked latch is further included, and the linked latch passes through the square rod and the limit sleeve respectively.

[0008] The placement seat includes a left shell and a right shell that are inserted into each other. The first bevel gear and the second bevel gear are rotatably arranged in the left and right shells. A base is further included. The left shell and the right shell are buckled on the base, and the through hole is provided on the base.

[0009] The base has a protruding limit block. A limit ring is provided between the base and the installation seat. The middle of the limit ring has a through groove for the limit sleeve to pass through. The shape of the through groove corresponds to the outer contour of the limit sleeve. A limit groove is provided at the outer edge of the limit ring, and the limit block is snapped into the limit groove.

[0010] For a sliding window handle mechanism of the above technical solution, the handle body is connected to the placement seat through a fastener, which ensures that there is no relative sliding between the handle body and the placement seat. And by adopting the transmission of the first and second bevel gears and realizing the threaded connection and cooperation between the second bevel gear and the square rod, the movement of the square rod and the limit sleeve can be realized, and the position of the square rod is locked by the limit step abutting against the installation seat, ensuring that the square rod will not move axially during use, and further ensuring its use stability. Description of the Drawings

[0011] The present utility model has the following drawings:

[0012] Figure 1 It is the external structure diagram of the present utility model;

[0013] Figure 2 It is the structure diagram of the handle body of the present utility model;

[0014] Figure 3View of the present utility model after removing the handle body;

[0015] Figure 4 is Figure 3 View from another perspective after removing the left housing;

[0016] Figure 5 is Figure 3 View from another perspective after removing the mounting seat and the fasteners;

[0017] Figure 6 Structural diagram of the square rod and the limit sleeve of the present utility model. Specific embodiments

[0018] As shown in the figure, a sliding window handle mechanism disclosed by the present utility model, a sliding window handle mechanism, includes a handle body 1. One end of the handle body 1 has a cylindrical portion 3. A cavity 8 is provided inside the cylindrical portion 3. It is characterized in that: a first threaded hole 7 is provided inside the cavity 8. It further includes a placement seat. A fastener passes through a through hole on the placement seat and is screwed with the first threaded hole 7 to fix the placement seat inside the cavity 8. A first bevel gear 15 and a second bevel gear 17 that mesh with each other are rotatably arranged inside the placement seat. One end of the first bevel gear 15 has a transmission slot 13. A relief hole 2 is provided on the cylindrical portion 3 corresponding to the transmission slot 13. A second threaded hole is provided in the middle of the second bevel gear 17. The second threaded hole is screwed with a screw portion 16. The screw portion 16 is integrally formed on a square rod 6. A linked limit sleeve 21 is sleeved outside one end of the square rod 6 close to the screw portion 16. Specifically, it further includes a linkage pin 22. The linkage pin 22 passes through the square rod 6 and the limit sleeve 21 respectively. The limit sleeve 21 is slidably arranged inside the placement seat. An installation seat 4 is sleeved outside the limit sleeve 21. The installation seat 4 is used to be fixed on the window sash. A limit step 5 is provided at one end of the limit sleeve 21. The limit step 5 can abut against the installation seat 4. Specifically, the placement seat includes a left housing 9 and a right housing 10 that are inserted into each other. The first bevel gear 15 and the second bevel gear 17 are rotatably arranged inside the left and right housings. It further includes a base 12. The left housing 9 and the right housing 10 are buckled on the base 12. The through hole is provided on the base 12. The base 12 has a protruding limit block 18. A limit ring 20 is provided between the base 12 and the installation seat 4. A through groove for the limit sleeve 21 to pass through is provided in the middle of the limit ring 20. The shape of the through groove corresponds to the outer contour of the limit sleeve 21. A limit groove 19 is provided at the outer edge of the limit ring 20. The limit block 18 is snapped into the limit groove 19. By adopting this structure, it can be ensured that there is no relative rotation between the base 12, the limit ring 20, the limit sleeve 21 and the square rod 6.

[0019] For the sliding window handle mechanism of the present utility model, first, the first bevel gear 15 and the second bevel gear 17 are rotatably installed in the left and right housings. Then, the left and right housings are buckled onto the base 12. After that, the entire placement seat is inserted into the cavity of the cylindrical portion 3, and the placement seat is fixed to the handle body 1 through the fastener 11. The square rod 6 is inserted into the limit sleeve 21. Then, the linkage pin 22 passes through the square rod 6 and the limit sleeve 21, the mounting seat 4 is sleeved outside the limit sleeve 21, and the limit ring 14 is placed on the mounting seat 4. Next, the placement seat of the handle body 1 is sleeved outside the limit sleeve 21. At this time, the second threaded hole of the second bevel gear 17 abuts against the screw rod portion 16. Then, the transmission member is inserted into the transmission card slot 13 to drive the first bevel gear 15 to rotate, thereby driving the second bevel gear 17 to rotate. The second threaded hole on the second bevel gear 17 will drive the screw rod portion 16, the square rod 6, and the limit sleeve to move until the limit step 5 on the limit sleeve 21 abuts against the mounting seat 4, thereby realizing the positioning of the square rod 6 and the limit sleeve 21. Then, the mounting seat 4 is fixed on the window sash to complete the installation of the handle. Of course, it is also possible to first fix the mounting seat 4 sleeved with the limit sleeve 21 and the square rod 6 on the window sash, and then connect the limit sleeve 21, the mounting seat 4, and the placement seat.

[0020] With this structure of the present utility model, the handle body is connected to the placement seat through the fastener, ensuring that there is no relative sliding between the handle body and the placement seat. By adopting the first and second bevel gear transmissions and realizing the threaded connection and cooperation between the second bevel gear and the square rod, the movement of the square rod and the limit sleeve can be achieved, and the position of the square rod is locked by the abutment of the limit step against the mounting seat, ensuring that the square rod does not axially move during use, thereby ensuring its use stability.

Claims

1. A sliding window handle mechanism, comprising a handle body (1), one end of the handle body (1) has a cylindrical portion (3), and a cavity (8) is provided inside the cylindrical portion (3), characterized in that: A first threaded hole (7) is provided in the cavity (8). A placing seat is further included. A fastener passes through a through hole in the placing seat and is screwed with the first threaded hole (7) to fix the placing seat in the cavity (8). A first bevel gear (15) and a second bevel gear (17) that mesh with each other are rotatably provided in the placing seat. One end of the first bevel gear (15) has a transmission slot (13). A relief hole (2) is provided in the cylindrical portion (3) at a position corresponding to the transmission slot (13). A second threaded hole is provided in the middle of the second bevel gear (17). The second threaded hole is screwed with a screw rod portion (16). The screw rod portion (16) is integrally formed on a square rod (6). A linked limit sleeve (21) is sleeved outside the square rod (6) near one end of the screw rod portion (16). The limit sleeve (21) is slidably provided in the placing seat. An installation seat (4) is sleeved outside the limit sleeve (21). The installation seat (4) is used to be fixed on a window sash. A limit step (5) is provided at one end of the limit sleeve (21). The limit step (5) can abut against the installation seat (4).

2. The sliding window handle mechanism according to claim 1, characterized in that: A linked latch (22) is further included. The linked latch (22) passes through the square rod (6) and the limit sleeve (21) respectively.

3. A sliding window handle mechanism according to claim 1, characterized in that: The placing seat includes a left housing (9) and a right housing (10) that are inserted into each other. The first bevel gear (15) and the second bevel gear (17) are rotatably provided in the left and right housings. A base (12) is further included. The left housing (9) and the right housing (10) are buckled on the base (12). The through hole is provided on the base (12).

4. The sliding window handle mechanism according to claim 3, wherein: The base (12) has a convex limit block (18). A limit ring (20) is provided between the base (12) and the installation seat (4). The middle of the limit ring (20) has a through groove for the limit sleeve (21) to pass through. The shape of the through groove corresponds to the outer contour of the limit sleeve (21). A limit groove (19) is provided at the outer edge of the limit ring (20). The limit block (18) is snapped into the limit groove (19).

Images