Transmission locking device

Abstract

The utility model discloses a transmission locking device which comprises a panel, a lock box arranged on the panel, a transmission mechanism arranged in the lock box and a sliding rod set arranged on the panel in a sliding mode. The sliding rod set comprises an upper transmission rod and a lower transmission rod which are arranged at the output end of the transmission mechanism, and the transmission mechanism comprises a shifting block rotationally connected with the lock box, a gear rotationally connected with the lock box, an upper rack arranged on the upper transmission rod and meshed with the gear, and a lower rack arranged on the lower transmission rod and meshed with the gear. An insertion part matched with the shifting block is arranged on the upper rack; two quick-mounting assemblies are arranged between the panel and the profile, and each quick-mounting assembly comprises a locking screw arranged on the panel, a quick-mounting piece in threaded connection with the locking screw and a spring arranged on the locking screw in a sleeving mode and located between the panel and the quick-mounting piece. According to the transmission locking device provided by the utility model, a user can conveniently install the transmission locking device on a door and window profile by controlling the quick-mounting sheet to rotate around the locking screw at will.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window accessories, in particular to a transmission locker. Background Art

[0002] The transmission lock is an important part of the door and window transmission system. It is used to connect the handle and the connecting rod. By turning the handle, the connecting rod can move linearly through the connected transmission lock, thereby achieving the locking and opening functions of the doors and windows.

[0003] The existing transmission lock is installed on the door and window profile by combining screws and quick-release plates. The screw drives the quick-release plate to rotate so that the quick-release plate is clamped on the profile to achieve the purpose of fixing the transmission lock. Since the screw and the quick-release plate are threadedly connected, the quick-release plate will rotate around the screw under a small external force. Therefore, during the transportation of the transmission lock, the quick-release plate is easy to fall off the screw, making the transmission lock in an incomplete assembly state when it arrives at the destination and needs to be reassembled; and during installation, the transmission lock must be placed as close to the profile as possible, and then a slender tool must be inserted into the narrow gap to adjust the quick-release plate at the same time (the length direction of the quick-release plate is consistent with the length direction of the transmission lock) before the transmission lock can be fully installed. The installation steps are cumbersome and it is difficult to meet the user's usage needs.

[0004] It can be seen that the existing technology still needs to be improved and enhanced. Utility Model Content

[0005] In view of the above-mentioned deficiencies of the prior art, the purpose of the present utility model is to provide a transmission locker, which can control the quick-install plate to rotate freely around the locking screw, so that the user can install it on the door and window profile.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A transmission lock comprises a panel for installation on a profile, a lock box arranged on the panel, a transmission mechanism arranged in the lock box, and a slide bar group slidably arranged on the panel; the slide bar group comprises an upper transmission rod and a lower transmission rod respectively arranged at the output end of the transmission mechanism, the transmission mechanism comprises a shift block rotatably connected to the lock box, a gear rotatably connected to the lock box, an upper rack arranged on the upper transmission rod and meshing with the gear, and a lower rack arranged on the lower transmission rod and meshing with the gear, the upper rack being provided with an insertion portion cooperating with the shift block; two quick-release components are arranged between the panel and the profile, the quick-release components comprising a locking screw arranged on the panel, a quick-release plate threadedly connected to the locking screw, and a spring sleeved on the locking screw and located between the panel and the quick-release plate, and the upper transmission rod and the lower transmission rod are respectively provided with sliding grooves for avoiding the spring.

[0008] Furthermore, the lock box includes a first shell and a second shell, the first shell is provided with two positioning columns extending to the second shell, and the two positioning columns are used to limit the sliding distance of the upper rack respectively; the first shell and the second shell are respectively provided with corresponding support columns, and several support columns are located between the upper rack and the lower rack.

[0009] Furthermore, first guide grooves for limiting the sliding movement of the upper rack are respectively provided in the first shell and the second shell, and protrusions slidably connected to the first guide grooves are provided on both sides of the upper rack.

[0010] Furthermore, the shift block includes a rotating part rotatably connected to the lock box and a transmission part connected to the outer wall of the rotating part, a square hole is opened in the rotating part, two limit blocks are provided on the outer wall of the rotating part, and a fixed block for abutting against the limit blocks is provided on the lock box; ribs are provided between the rotating part and the transmission part.

[0011] Furthermore, second guide grooves are opened on both sides of the panel, and mounting strips installed in the second guide grooves are provided on the first shell and the second shell, and the upper transmission rod and the lower transmission rod are slidably arranged between the two mounting strips.

[0012] Furthermore, decorative covers are respectively provided at the upper and lower ends of the panel.

[0013] Furthermore, the quick-release plate includes a connecting portion connected to the locking screw and a clamping portion located on both sides of the connecting portion, the connecting portion and the two clamping portions form an I-shaped structure, and the connecting portion protrudes toward the panel; the clamping portion is provided with an arc surface abutting against the inner wall of the profile.

[0014] Furthermore, notches are provided at two ends of the connecting portion, the two notches are symmetrically arranged at 180°, and the lock box is provided with a stopper abutting against the notches.

[0015] Beneficial effect: By sleeved a spring on the locking screw, the two ends of the spring are respectively in contact with the panel and the quick-release plate, so that the quick-release plate is not easy to rotate around the locking screw, thereby ensuring the integrity of the assembly during transportation and the convenience of installation. When the spring has a certain tightening height, it can be avoided that the quick-release plate clamps the upper transmission rod and the lower transmission rod to cause transmission failure of the transmission lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of the transmission lock provided by the utility model.

[0017] Figure 2 This is an exploded view of the transmission lock provided by the utility model.

[0018] Figure 3 This is a partial structural diagram of the transmission lock provided by the utility model.

[0019] Figure 4 The utility model is a side view of the transmission locker provided by the utility model.

[0020] Description of the main component symbols: panel 1, second guide groove 11, lock box 2, first shell 21, second shell 22, through hole 221, positioning column 23, support part 231, short shaft part 232, support column 24, first guide groove 25, fixing block 26, mounting strip 27, stopper 28, transmission mechanism 3, shift block 31, rotating part 311, transmission part 312, square hole 313, limit block 314, rib 315, gear 32, upper rack 33, insertion part 331, protrusion 332, lower rack 34, slide rod group 4, upper transmission rod 41, first guide block 411, lower transmission rod 42, second guide block 421, slide groove 43, quick-release assembly 5, locking screw 51, quick-release plate 52, connecting part 521, clamping part 522, arc surface 523, notch 524, spring 53, decorative cover 6. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in 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.

[0022] See also Figure 1-4 The utility model provides a transmission lock, comprising a panel 1 for installation on a profile, a lock box 2 arranged on the panel 1, a transmission mechanism 3 arranged in the lock box 2, and a slide bar group 4 slidably arranged on the panel 1; the slide bar group 4 comprises an upper transmission rod 41 and a lower transmission rod 42 respectively arranged at the output end of the transmission mechanism 3, the transmission mechanism 3 comprises a shift block 31 rotatably connected to the lock box 2, a gear 32 rotatably connected to the lock box 2, an upper rack 33 arranged on the upper transmission rod 41 and meshing with the gear 32, and a gear 33 arranged on the upper transmission rod 41 and meshing with the gear 32. The lower transmission rod 42 is a lower rack 34 meshing with the gear 32, and the upper rack 33 is provided with an insertion portion 331 cooperating with the shift block 31; two quick-release components 5 are provided between the panel 1 and the profile, and the quick-release component 5 includes a locking screw 51 provided on the panel 1, a quick-release plate 52 threadedly connected to the locking screw 51, and a spring 53 sleeved on the locking screw 51 and located between the panel 1 and the quick-release plate 52, and the upper transmission rod 41 and the lower transmission rod 42 are respectively provided with a slide groove 43 for avoiding the spring 53.

[0023] Since the two ends of the spring 53 are respectively in contact with the panel 1 and the quick-release piece 52, under the action of compression, the internal thread of the quick-release piece 52 and the external thread of the locking screw 51 are in contact with each other, so that the quick-release piece 52 is not easy to deflect. Therefore, during transportation, the quick-release piece 52 is not easy to slip out of the locking screw 51, which can ensure the integrity of the assembly. During installation, the transmission lock can be installed on the profile after the length direction of the quick-release piece 52 is aligned with the length direction of the panel 1, which is convenient for users to install. In addition, the spring 53 has a certain tightening height in the compressed state, which can prevent the quick-release piece 52 from clamping the upper transmission rod 41 or the lower transmission rod 42 when tightening the locking screw 51, thereby preventing the transmission lock from failing due to the transmission failure.

[0024] When in use, the handle is rotated to drive the shift block 31 to rotate, and the shift block 31 acts on the insertion portion 331 to drive the upper rack 33 to slide up and down, and the upper rack 33 and the lower rack 34 are both engaged with the gear 32, so that the upper transmission rod 41 and the lower transmission rod 42 move toward or away from each other synchronously.

[0025] Preferably, the end of the locking screw 51 can be enlarged by riveting, that is, the outer dimension of the end of the locking screw 51 is larger than the threaded hole diameter of the quick-release plate 52 to prevent the quick-release plate 52 from falling off the locking screw 51, wherein the shape of the riveting can be a cross or a Pozigzag.

[0026] In a preferred embodiment, see Figure 2 , 3 The lock box 2 includes a first shell 21 and a second shell 22. The first shell 21 is provided with two positioning columns 23 extending to the second shell 22. The two positioning columns 23 are respectively used to limit the sliding distance of the upper rack 33. Specifically, the interface between the first shell 21 and the second shell 22 is the central plane of the panel 1 along the length direction. The first shell 21 and the second shell 22 are connected and fixed by screws; the positioning column 23 includes a support portion 231 provided on the first shell 21 and a short shaft portion 232 provided on the top of the support portion 231. The second shell 22 is provided with a through hole 221 matching the short shaft portion 232. By setting the support The portion 231 can ensure the spacing between the first shell 21 and the second shell 22, and the short axis portion 232 is inserted into the through hole 221, which is convenient for positioning the installation position of the second shell 22 on the first shell 21, thereby improving the convenience of assembly; the first shell 21 and the second shell 22 are respectively provided with corresponding support columns 24, and several support columns 24 are located between the upper rack 33 and the lower rack 34. Similarly, a plurality of corresponding support columns 24 are provided, which can further ensure the spacing between the first shell 21 and the second shell 22, thereby improving the structural strength of the lock box 2 and preventing the lock box 2 from being compressed and deformed and affecting the internal parts.

[0027] Furthermore, the first housing 21 and the second housing 22 are respectively provided with first guide grooves 25 for limiting the sliding movement of the upper rack 33, and the upper rack 33 has protrusions 332 on both sides thereof that are slidably connected to the first guide grooves 25. Through the above arrangement, the first guide grooves 25 limit the translation direction of the upper rack 33, and the two support portions 231 limit the translation distance of the upper rack 33, so as to prevent the upper rack 33 from being over-translated and unable to mesh with the gear 32, thereby causing transmission failure.

[0028] In a preferred embodiment, see Figure 3 The shift block 31 includes a rotating part 311 rotatably connected to the lock box 2 and a transmission part 312 connected to the outer wall of the rotating part 311. A square hole 313 is opened in the rotating part 311, and the square shaft on the handle is inserted into the square hole 313 to drive the shift block 31 to rotate; two limit blocks 314 are arranged on the outer wall of the rotating part 311, and a fixed block 26 for abutting against the limit blocks 314 is arranged on the lock box 2. When the two limit blocks abut against the fixed blocks 26 respectively, the rotation range of the shift block 31 is limited, and the structural strength of the rotating part 311 can be enhanced; a rib 315 is arranged between the rotating part 311 and the transmission part 312. By setting the rib 315, when the transmission part 312 has a longer length, the structural strength of the transmission part 312 can be guaranteed, so that the shift block 31 can increase the transmission stroke and greatly improve the torsional strength.

[0029] In a preferred embodiment, see Figure 2 The panel 1 has second guide grooves 11 on both sides, the first shell 21 and the second shell 22 are provided with mounting strips 27 mounted in the second guide grooves 11, and the upper transmission rod 41 and the lower transmission rod 42 are slidably disposed between the two mounting strips 27 to define the moving directions of the upper transmission rod 41 and the lower transmission rod 42. Specifically, the upper end of the upper transmission rod 41 is provided with a first guide block 411 slidably connected to the second guide groove 11, and the lower end of the lower transmission rod 42 is provided with a second guide block 421 slidably connected to the second guide groove 11, so as to further ensure that the upper transmission rod 41 and the lower transmission rod 42 move up and down along the length direction of the panel 1, avoid displacement and affect the transmission effect, and improve the sliding stability.

[0030] In a preferred embodiment, see Figure 1 , 2 The upper and lower ends of the panel 1 are respectively provided with decorative covers 6 to prevent external dust and particles from entering the interior of the panel 1 and affecting the normal operation of internal parts, while preventing the upper transmission rod 41 and the lower transmission rod 42 from escaping from the two ends of the panel 1.

[0031] In a preferred embodiment, see Figure 2 , 4The quick-release piece 52 includes a connecting portion 521 connected to the locking screw 51 and clamping portions 522 located on both sides of the connecting portion 521. The connecting portion 521 and the two clamping portions 522 form a "F"-shaped structure, and the connecting portion 521 protrudes toward the panel 1; the clamping portion 522 is provided with an arc surface 523 abutting against the inner side wall of the profile. The arc surface 523 is provided to facilitate the clamping portion 522 to abut against the inner side wall of the profile or to stay away from the inner side of the profile.

[0032] It should be noted that the length direction of the quick-release piece 52 is longer than the width direction, so that the quick-release piece 52 can be inserted into the profile through its width, and the installation of the panel 1 is completed by abutting against the two sides of the profile through its length. Therefore, the connecting portion 521 extends along one diagonal direction of the quick-release piece 52, and the two clamping portions 522 are respectively located at the two ends of the other diagonal. In the installed state, the clamping portions 522 are respectively abutted against the inner two sides of the profile.

[0033] In the prior art, when installing the quick-release plate 52 into the profile, the quick-release plate 52 needs to be screwed to the end of the locking screw 51 to ensure that the locking screw 51 can extend the quick-release plate 52 into the profile. By providing the "X"-shaped structure, the adjustable range of the quick-release plate 52 on the locking screw 51 can be increased, that is, the total length of the locking screw 51 and the quick-release plate 52 after installation is extended, so that the quick-release plate 52 can be pushed into the profile.

[0034] In this embodiment, the quick-release piece 52 of the "X"-shaped structure is formed by plate stamping, which is easy to process and form.

[0035] Further, see Figure 4 The two ends of the connecting portion 521 are provided with notches 524, and the two notches 524 are arranged symmetrically at 180 degrees. The lock box 2 is provided with a stopper 28 that abuts against the notches 524. Specifically, one stopper 28 is provided at the lower end of the first shell 21, and the other stopper 28 is provided at the upper end of the second shell 22, so as to limit the quick-loading piece 52 to rotate in only one direction. When the locking screw 51 is tightened, the clamping portion 522 is driven to rotate toward the two inner sides of the profile, so that the clamping portion 522 is tightly connected with the profile; when the locking screw 51 is loosened, the quick-loading piece 52 rotates in the opposite direction, and the clamping portion 522 is away from the two inner sides of the profile. Due to the abutment between the notch 524 and the stopper 28, the quick-loading piece 52 is prevented from abutting against the two inner sides of the profile again due to the reverse rotation of the quick-loading piece 52, so that the length direction of the quick-loading piece 52 is consistent with the length direction of the panel 1, which is convenient for the user to remove the transmission lock.

[0036] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and the utility model concept of the utility model, and all these changes or substitutions should fall within the protection scope of the utility model.

Claims

1. A transmission lock, characterized in that: It includes a panel for installation on the profile, a lock box arranged on the panel, a transmission mechanism arranged in the lock box, and a slide bar group slidably arranged on the panel; the slide bar group includes an upper transmission rod and a lower transmission rod respectively arranged at the output end of the transmission mechanism, the transmission mechanism includes a shift block rotatably connected to the lock box, a gear rotatably connected to the lock box, an upper rack arranged on the upper transmission rod and meshing with the gear, and a lower rack arranged on the lower transmission rod and meshing with the gear, and an insertion portion cooperating with the shift block is provided on the upper rack; two quick-release components are provided between the panel and the profile, and the quick-release components include a locking screw arranged on the panel, a quick-release plate threadedly connected to the locking screw, and a spring sleeved on the locking screw and located between the panel and the quick-release plate, and the upper transmission rod and the lower transmission rod are respectively provided with sliding grooves for avoiding the spring.

2. The transmission lock according to claim 1, characterized in that: The lock box includes a first shell and a second shell. The first shell is provided with two positioning columns extending to the second shell. The two positioning columns are used to limit the sliding distance of the upper rack respectively. The first shell and the second shell are respectively provided with corresponding support columns, and several support columns are located between the upper rack and the lower rack.

3. The transmission lock according to claim 2, characterized in that: The first shell and the second shell are respectively provided with first guide grooves for limiting the sliding movement of the upper rack, and both sides of the upper rack are provided with protrusions which are slidably connected with the first guide grooves.

4. The transmission lock according to claim 1, characterized in that: The shift block includes a rotating part rotatably connected to the lock box and a transmission part connected to the outer wall of the rotating part. A square hole is opened in the rotating part, two limit blocks are arranged on the outer wall of the rotating part, and a fixed block for abutting against the limit blocks is arranged on the lock box; ribs are arranged between the rotating part and the transmission part.

5. The transmission lock according to claim 2, characterized in that: The panel is provided with second guide grooves on both sides, the first shell and the second shell are provided with mounting strips mounted in the second guide grooves, and the upper transmission rod and the lower transmission rod are slidably arranged between the two mounting strips.

6. The transmission lock according to claim 1, characterized in that: The upper and lower ends of the panel are respectively provided with decorative covers.

7. The transmission lock according to claim 1, characterized in that: The quick-release plate includes a connecting portion connected to the locking screw and clamping portions located on both sides of the connecting portion. The connecting portion and the two clamping portions form an I-shaped structure, and the connecting portion protrudes toward the panel. The clamping portion is provided with an arc surface abutting against the inner wall of the profile.

8. The transmission lock according to claim 7, characterized in that: Notches are arranged at two ends of the connecting part, and the two notches are symmetrically arranged at 180 degrees. The lock box is provided with a stopper abutting against the notches.

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