Ultra-narrow casement window lock system

Abstract

The utility model relates to the technical field of door and window hardware, and provides an extremely narrow casement window lock system which comprises a lock box, the inner bottom wall of the lock box is connected with two L-shaped toothed bars in a sliding mode, the inner bottom wall of the lock box is connected with a rotating gear in a rotating mode, the rotating gear is meshed with the two L-shaped toothed bars, two through grooves are formed in the upper surface of the lock box, and the two L-shaped toothed bars are arranged in the through grooves. The upper surface of each L-shaped toothed rod is fixedly connected with a sliding rod, the top end of each sliding rod penetrates through the two through grooves and extends to the upper portion of the corresponding through groove, the outer surface of each sliding rod is fixedly connected with a branch, one end, away from the corresponding sliding rod, of each branch is provided with a lock point, the other end of each lock point is provided with a lock head, and the inner bottom wall of the lock box is fixedly connected with two supporting rods. The top end of each supporting rod penetrates through the lock box and extends to the upper portion of the lock box, and the whole window can be locked through a simple structure. By means of the technical scheme, the problems that in the prior art, the structure is complex, and production is not convenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window hardware, and in particular to an extremely narrow casement window locking system. Background Art

[0002] Doors and windows are divided into enclosure components or partition components according to their location. They are an important part of the building enclosure system. The earliest straight lattice windows can be found in Han tombs and pottery house funerary objects, and there are also a large number of brick, wooden buildings and murals in the Tang, Song, Liao and Jin dynasties. Hardware refers to tools made by processing and casting metals such as gold, silver, copper, iron, and tin, which are used to fix things, process things, and decorate. Door and window hardware refers to the hardware needed to be used in doors and windows.

[0003] According to the existing authorization announcement number: CN208220388U, the patent name is: door and window lock, the patent includes a shell, a first through groove and a second through groove are provided on the front end surface of the shell; a first toggle pin is inserted in the first through groove, and a second toggle pin is inserted in the second through groove; a first transmission plate is provided in the shell, the first toggle pin is fixedly connected to the first transmission plate, a first gear is axially connected in the shell, and the first transmission plate and the first gear are meshed; a second gear is axially connected in the shell, and a second transmission plate and a third transmission plate are respectively provided on both sides of the second gear, and the second transmission plate and the third transmission plate are respectively meshed with the second gear; the second toggle pin is fixedly connected to the second transmission plate; the third transmission plate and the first transmission plate are fixedly connected by a connecting column, the utility model can realize the opposite movement of the first toggle pin and the second toggle pin, thereby improving the firmness of the door and window lock to lock the door or window, the utility model has the advantages of compact structure, low manufacturing cost and good transmission performance.

[0004] Although this patent has the advantage of good transmission performance, the overall structure is relatively complex.

[0005] According to the existing authorization announcement number: CN215291897U, the patent name is: Door and window lock assembly, which includes a lock plate and a base arranged at both ends of the lock plate; an adjustment structure for adjusting the lateral relative position of the two is arranged between the lock plate and the base, and the adjustment mechanism includes a threaded shaft that can rotatably cooperate with the base, and a threaded guide groove that links the lock plate and couples with the threaded shaft, the axis of the threaded shaft is parallel to the lateral relative position adjustment direction of the lock plate, and the relative position of the lock plate and the base can be adjusted by screwing the threaded shaft. Compared with the prior art, the door and window lock assembly of the utility model has a base of the lock plate adjusted by threaded transmission, the lock plate has high adjustment movement accuracy, is easy to use, and does not need to open an adjustment strip hole on the surface of the lock plate, retaining the integrity of the lock plate appearance and beautiful shape.

[0006] This patent uses threaded transmission for adjustment, and the locking plate has high adjustment movement accuracy and is more convenient to use, but the overall structure is relatively complex and not easy to produce. Utility Model Content

[0007] The utility model provides an extremely narrow casement window lock system, which solves the problem of a relatively complex structure and inconvenient production in the related art.

[0008] The technical solution of the utility model is as follows: an extremely narrow casement window lock system comprises a lock box, the inner bottom wall of the lock box is slidably connected to two L-shaped toothed rods, the inner bottom wall of the lock box is rotatably connected to a rotating gear, the rotating gear is meshed with the two L-shaped toothed rods, the upper surface of the lock box is provided with two through grooves, the upper surface of each L-shaped toothed rod is fixedly connected to a sliding rod, the top end of the sliding rod respectively passes through the two through grooves and extends to the upper part of the through groove, the outer surface of each sliding rod is fixedly connected to a branch, a locking point is installed at one end of the branch away from the sliding rod, and a lock head is installed at the other end of the locking point.

[0009] Two support rods are fixedly connected to the inner bottom wall of the lock box, the top of each support rod penetrates the lock box and extends to the upper part of the lock box, the upper surface of the support rod is fixedly connected to the gear box, the upper surface of the rotating gear is fixedly connected to the rotating rod, the top of the rotating rod penetrates the gear box and extends to the inside of the gear box, the top of the rotating rod is fixedly connected to the driven gear, the inner wall of the gear box is rotatably connected to the transmission gear, the transmission gear is transmission-connected to the driven gear, and a side surface of the transmission gear is fixedly connected to a handle.

[0010] Furthermore, the bottom surface of each locking point is fixedly connected to a plug rod, and the lock head is clamped on the outside of the plug rod. The plug rod is used to connect the locking point and the lock head, thereby realizing the installation of the locking point and the lock head, which is convenient for the staff to assemble the lock head and the locking point.

[0011] Furthermore, the upper surface of each locking point is rotatably connected to two sets of rollers. When the side window lock is installed inside the window hardware, the rollers can be driven to slide along the inner wall of the window hardware during the movement of the locking point, thereby effectively improving the stability of the two locking points during the movement and effectively preventing the locking points from deflecting and getting stuck during the movement.

[0012] Furthermore, a bearing is inlaid on the upper surface of the lock box, the top of the rotating rod passes through the bearing and extends to the upper part of the lock box, and the inner ring of the bearing is fixedly connected to the outer surface of the rotating rod, which can fix the middle part of the rotating rod, making the rotating rod more stable during rotation. At the same time, it can effectively avoid friction between the rotating rod and the lock box during rotation, thereby effectively avoiding wear of the outer surface of the rotating rod due to long-term use, thereby effectively avoiding affecting the normal use of the rotating rod due to wear.

[0013] Furthermore, the outer surface of the handle is provided with anti-skid patterns, which can effectively increase the friction between the user's hand and the handle when the user holds the handle, improve the holding effect, and effectively avoid hand slipping during the holding process.

[0014] Furthermore, a lock hole is provided at one end of the two lock heads which are away from each other. By utilizing the setting of the lock hole, when the lock head is connected and fixed to the lock rod inside the window hardware, the lock head can be fixed to the outer surface of the lock rod by means of the lock hole, thereby effectively improving the locking and fixing effect.

[0015] Furthermore, the upper surface of each locking point is fixedly connected to a vertical rod, the top of the vertical rod is inserted into the bottom surface of the branch, and the locking point is connected and fixed to the branch by the vertical rod, making the installation between the locking point and the branch more convenient and facilitating the staff to install the window lock system.

[0016] The working principle and beneficial effects of the utility model are:

[0017] 1. In the utility model, the user only needs to pull the handle, the transmission gear drives the driven gear to rotate, the driven gear drives the rotating gear to rotate through the rotating rod, the rotating gear drives the two L-shaped gear rods to move away from each other, and the branch pushes the lock head through the locking point, so that the lock mouth on the lock head is stuck on the outer surface of the lock rod inside the window hardware, thereby achieving a locking effect. The overall locking effect of the window can be achieved through a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a schematic diagram of the front side of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the side surface of the structure of the utility model;

[0021] Figure 3 It is a schematic diagram of a cross-section of the gear housing of the utility model structure;

[0022] Figure 4 It is a schematic diagram of a cross-section of a lock box structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the L-shaped gear rod of the utility model structure.

[0024] In the figure: 1. lock box; 2. bearing; 3. support rod; 4. lock head; 5. locking point; 6. branch; 7. rotating rod; 8. gear box; 9. handle; 10. vertical rod; 11. roller; 12. plug rod; 13. lock mouth; 14. slide rod; 15. transmission gear; 16. driven gear; 17. rotating gear; 18. through slot; 19. L-shaped gear rod. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] like Figure 1 to Figure 5 As shown, the present embodiment proposes an extremely narrow casement window lock system, including a lock box 1, the inner bottom wall of the lock box 1 is slidably connected to two L-shaped toothed rods 19, the inner bottom wall of the lock box 1 is rotatably connected to a rotating gear 17, the rotating gear 17 is meshed with the two L-shaped toothed rods 19, the upper surface of the lock box 1 is provided with two through grooves 18, the upper surface of each L-shaped toothed rod 19 is fixedly connected to a sliding rod 14, the top of the sliding rod 14 respectively passes through the two through grooves 18 and extends to the upper part of the through groove 18, the outer surface of each sliding rod 14 is fixedly connected to a branch 6, and a locking point 5 is installed at one end of the branch 6 away from the sliding rod 14, and the upper surface of each locking point 5 is rotatably connected to two groups of rollers 11. When the side window lock is installed inside the window hardware, during the movement of the locking point 5, the roller 11 can be driven to slide against the inner wall of the window hardware, thereby effectively improving the stability of the two locking points 5 during the movement, and effectively preventing the locking point 5 from being deflected and stuck during the movement.

[0028] The upper surface of each locking point 5 is fixedly connected with a vertical rod 10, the top of the vertical rod 10 is inserted into the bottom surface of the branch 6, and the locking point 5 is connected and fixed to the branch 6 by the vertical rod 10, making the installation between the locking point 5 and the branch 6 more convenient and facilitating the staff to install the window lock system.

[0029] A locking head 4 is installed at the other end of the locking point 5, and a plug rod 12 is fixedly connected to the bottom surface of each locking point 5. The locking head 4 is clamped on the outside of the plug rod 12, and the plug rod 12 is used to connect the locking point 5 and the locking head 4, thereby realizing the installation of the locking point 5 and the locking head 4, which is convenient for the staff to assemble the locking head 4 and the locking point 5.

[0030] The two lock heads 4 are each provided with a lock hole 13 at one end away from each other. By utilizing the setting of the lock hole 13, when the lock head 4 is connected and fixed to the lock rod inside the window hardware, the lock head 4 can be fixed to the outer surface of the lock rod by the lock hole 13, thereby effectively improving the locking and fixing effect.

[0031] Example 2

[0032] like Figure 3-4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes that two support rods 3 are fixedly connected to the inner bottom wall of the lock box 1, and the top end of each support rod 3 penetrates the lock box 1 and extends to the upper part of the lock box 1, and the upper surface of the support rod 3 is fixedly connected to the gear box 8, and the upper surface of the rotating gear 17 is fixedly connected to the rotating rod 7, and the top end of the rotating rod 7 penetrates the gear box 8 and extends to the inside of the gear box 8. The upper surface of the lock box 1 is inlaid with a bearing 2, and the top end of the rotating rod 7 penetrates the bearing 2 and extends to the upper part of the lock box 1, and the inner ring of the bearing 2 is fixedly connected to the outer surface of the rotating rod 7, which can realize the fixation of the middle part of the rotating rod 7, making the rotating rod 7 more stable during the rotation process, and at the same time can effectively avoid the friction between the rotating rod 7 and the lock box 1 during the rotation process, thereby effectively avoiding the wear of the outer surface of the rotating rod 7 caused by long-term use, thereby effectively avoiding the wear affecting the normal use of the rotating rod 7.

[0033] A driven gear 16 is fixedly connected to the top of the rotating rod 7, and a transmission gear 15 is rotatably connected to the inner wall of the gear box 8. The transmission gear 15 is transmission-connected to the driven gear 16, and a handle 9 is fixedly connected to one side of the transmission gear 15. The outer surface of the handle 9 is provided with anti-slip grooves. The anti-slip grooves can effectively increase the friction between the hand and the handle 9 when the user holds the handle 9, thereby improving the holding effect and effectively avoiding the hand slipping during the holding process.

[0034] The driven gear 16 adopts a conical design, so that the transmission gear 15 can mesh with the driven gear 16, so that the transmission gear 15 can drive the driven gear 16 to rotate vertically.

[0035] When in use, the user only needs to pull the handle 9, the handle 9 can drive the transmission gear 15 to rotate, the transmission gear 15 drives the driven gear 16 to rotate, the driven gear 16 drives the rotating gear 17 to rotate through the rotating rod 7, the rotating gear 17 drives the two L-shaped gear rods 19 to move away from each other, the L-shaped gear rods 19 push the two branches 6 away from each other through the sliding rod 14, the branch 6 pushes the lock head 4 through the locking point 5, so that the lock mouth 13 on the lock head 4 is stuck on the outer surface of the lock rod inside the window hardware, thereby achieving a locking effect.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An extremely narrow casement window locking system, characterized in that: The invention comprises a lock box (1), wherein the inner bottom wall of the lock box (1) is slidably connected to two L-shaped toothed rods (19), the inner bottom wall of the lock box (1) is rotatably connected to a rotating gear (17), the rotating gear (17) is meshed with the two L-shaped toothed rods (19), the upper surface of the lock box (1) is provided with two through grooves (18), the upper surface of each L-shaped toothed rod (19) is fixedly connected to a slide bar (14), the top end of the slide bar (14) respectively passes through the two through grooves (18) and extends to the upper part of the through groove (18), the outer surface of each slide bar (14) is fixedly connected to a branch (6), the end of the branch (6) away from the slide bar (14) is installed with a locking point (5), and the other end of the locking point (5) is installed with a lock head (4); Two support rods (3) are fixedly connected to the inner bottom wall of the lock box (1), the top end of each support rod (3) penetrates the lock box (1) and extends to the upper part of the lock box (1), the upper surface of the support rod (3) is fixedly connected to the gear box (8), the upper surface of the rotating gear (17) is fixedly connected to the rotating rod (7), the top end of the rotating rod (7) penetrates the gear box (8) and extends to the inside of the gear box (8), the top end of the rotating rod (7) is fixedly connected to the driven gear (16), the inner wall of the gear box (8) is rotatably connected to the transmission gear (15), the transmission gear (15) is transmission-connected to the driven gear (16), and a side surface of the transmission gear (15) is fixedly connected to a handle (9).

2. The extremely narrow casement window locking system according to claim 1, characterized in that: The bottom surface of each locking point (5) is fixedly connected to an insertion rod (12), and the lock head (4) is clamped on the outside of the insertion rod (12).

3. The extremely narrow casement window locking system according to claim 1, characterized in that: The upper surface of each locking point (5) is rotatably connected to two sets of rollers (11).

4. The extremely narrow casement window locking system according to claim 1, characterized in that: The upper surface of the lock box (1) is inlaid with a bearing (2), the top end of the rotating rod (7) passes through the bearing (2) and extends to the upper part of the lock box (1), and the inner ring of the bearing (2) is fixedly connected to the outer surface of the rotating rod (7).

5. The extremely narrow casement window locking system according to claim 1, characterized in that: The outer surface of the handle (9) is provided with anti-slip grooves.

6. The extremely narrow casement window locking system according to claim 1, characterized in that: The two lock heads (4) are each provided with a lock opening (13) at one end away from each other.

7. The extremely narrow casement window locking system according to claim 1, characterized in that: The upper surface of each locking point (5) is fixedly connected to a vertical rod (10), and the top end of the vertical rod (10) is inserted into the bottom surface of the branch (6).

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