Handle lock box assembly

Abstract

The utility model provides a handle lock box assembly which comprises a driving assembly and a guide strip arranged at the bottom of the driving assembly in a sliding mode, the driving assembly comprises a gear arranged in a front-back hollow penetrating mode, a tooth groove is formed in the guide strip, and the gear is meshed with the tooth groove. The gear is a double-row gear, and teeth of the double-row gear are distributed in a staggered mode. The tooth grooves are double-row tooth grooves, and groove openings of the double-row tooth grooves are distributed in a staggered mode. According to the handle lock box assembly, the double rows of gears and the double rows of tooth grooves are designed, and the teeth and the notches are distributed in a staggered mode, so that the contact area and the point number of the gears and the racks are increased, more uniform force distribution between the gears and the racks can be achieved, and transmission gaps caused by abrasion of a single contact point are reduced. Due to the design of the double rows of gears and the tooth grooves, gaps caused by abrasion are reduced, even if some teeth are abraded, the other row of staggered teeth can still keep tight meshing, and transmission continuity and stability are maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of handle lock boxes, and particularly to a handle lock box assembly. Background Art

[0002] In the existing door and window hardware technology, the handle lock box assembly is a key component for realizing the opening and closing functions of doors and windows. This assembly generally includes parts such as a handle, a square shaft, a gear, a transmission, and a rack / groove. The rotation of the handle drives the square shaft, which in turn drives the gear to rotate. The gear meshes with the rack / groove in the transmission to achieve the pushing and pulling actions of the doors and windows.

[0003] However, due to frequent use, the gears and the rack / groove in the existing technology are prone to wear, resulting in the generation of transmission gaps. Such gaps not only affect the sealing performance of the doors and windows, but also may cause the operation of the doors and windows to be unsmooth, reducing the user experience and shortening the service life of the hardware.

[0004] The existing designs of gears and rack / groove have the following main problems:

[0005] Due to the frequent contact and relative movement between the gears and the rack / groove, the teeth are prone to wear and form gaps. The gaps caused by wear result in unstable phenomena during the transmission process.

[0006] Based on the above, the problem of insufficient stability caused by wear gaps in the existing handle lock boxes needs to be solved urgently. Summary of the Utility Model

[0007] The utility model provides a handle lock box assembly that optimizes the transmission structure and improves the transmission stability, solving the problems mentioned in the above background art.

[0008] The technical solution of the utility model is realized as follows:

[0009] The handle lock box assembly includes a driving component and a guide bar slidably arranged at its bottom. The driving component includes a gear that is hollow and runs through from front to back. The guide bar is provided with a tooth groove in the middle, and the gear meshes with the tooth groove.

[0010] The gear is a double-row gear, and the teeth of the double-row gear are distributed in a staggered manner; while the tooth groove is a double-row tooth groove, and the openings of the double-row tooth groove are distributed in a staggered manner.

[0011] Furthermore, the driving component further includes a first housing and a second housing that are sleeved outside the gear and the guide bar.

[0012] Furthermore, a connection cover whose two sides extend to be inserted into the first housing is provided outside the second housing.

[0013] Furthermore, connection grooves are provided at both ends of the guide bar, and a transmission bar connecting piece is fixed to the connection grooves by screws.

[0014] Further, positioning pieces are rotatably arranged on both sides of the top of the guiding strip.

[0015] Further, a protective cover is arranged at the bottom of the guiding strip, and the protective cover surrounds the outside of the guiding strip for one week and covers the bottom of the driving component.

[0016] Beneficial effects brought by the technical solution provided by this application:

[0017] For this handle lock box assembly, by designing double-row gears and double-row tooth grooves, where the teeth and grooves are staggeredly distributed, the contact area and number of points between the gears and the racks are increased. This helps to achieve a more uniform force distribution between the gears and the racks, and reduces the transmission clearance caused by the wear of a single contact point. The design of the double-row gears and tooth grooves reduces the clearance caused by wear, because even if some teeth are worn, the staggeredly arranged teeth in the other row can still maintain tight meshing, maintaining the continuity and stability of the transmission. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the handle lock box assembly of the present invention;

[0020] Figure 2 It is an exploded schematic diagram of the handle lock box assembly of the present invention;

[0021] Figure 3 It is a half-sectional schematic diagram of the handle lock box assembly of the present invention.

[0022] In the figure: 100 guiding strip, 110 tooth groove, 120 positioning piece, 130 transmission strip connecting piece, 140 connecting groove, 200 driving component, 210 first housing, 220 second housing, 230 connecting cover, 300 protective cover. Detailed Embodiments

[0023] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0024] Refer toFigures 1 - 3 A handle lock box assembly includes a driving assembly 200 and a guide bar 100 slidably arranged at its bottom. The driving assembly 200 includes a gear 240 that is hollow and penetrates through from front to back. A tooth groove 110 is arranged in the guide bar 100, and the gear 240 meshes with the tooth groove 110. The gear 240 is a double-row gear, and the teeth of the double-row gear are staggeredly distributed. The tooth groove 110 is a double-row tooth groove, and the notches of the double-row tooth groove are staggeredly distributed.

[0025] The driving assembly 200 is the core part of the handle lock box assembly, responsible for converting the rotational motion into the linear motion required for sliding doors and windows. It is hollow and penetrates through from front to back, allowing a square shaft or other driving elements to pass through, thereby transmitting power.

[0026] The gear 240 is a component directly connected to the handle. Its rotational motion is transmitted to the guide bar 100 through the meshing of the gear 240 and the tooth groove 110. The gear 240 is designed as a double-row gear, and the teeth of each row are staggeredly distributed. This design increases the contact area of the gear 240, so that during the meshing process, even if some teeth are worn, the staggeredly arranged teeth of the other row can still maintain stable transmission.

[0027] The guide bar 100 is a component that cooperates with the driving assembly 200. A tooth groove 110 is arranged thereon, which meshes with the gear 240 to achieve linear motion. The guide bar 100 is slidably arranged at the bottom to ensure that the rotational motion of the gear 240 can be smoothly converted into linear motion.

[0028] The tooth groove 110 is a groove on the guide bar 100, which meshes with the gear 240 to guide the rotational motion of the gear 240. The tooth groove 110 is designed as a double-row tooth groove, and the notches are staggeredly distributed, corresponding to the double-row gear 240, increasing the meshing points and improving the stability and reliability of the transmission.

[0029] When the handle rotates, it drives the gear 240 in the driving assembly 200 to rotate. The staggeredly arranged teeth of the double-row gear 240 mesh with the staggeredly arranged double-row tooth grooves 110 in the guide bar 100 to achieve power transmission. Due to the staggered distribution of the teeth and the tooth grooves, even if some teeth are worn due to long-term use, the staggeredly arranged teeth of the other row can still maintain meshing, thereby reducing the transmission clearance and improving the stability.

[0030] In some embodiments, the driving assembly 200 further includes a first housing 210 and a second housing 220 sleeved outside the gear 240 and the guide bar 100.

[0031] The first housing 210 is sleeved outside the drive assembly 200, especially outside the gear 240 and the guide bar 100, serving a protective and fixing function. The second housing 220 is also sleeved outside the drive assembly. The design of the second housing 220 allows it to cooperate with the first housing 210 to form a more stable and sealed outer shell structure.

[0032] The first housing 210 and the second housing 220 together constitute a double-layer protection structure, which not only protects the gear 240 and the guide bar 100 from being eroded by external environmental factors such as dust and moisture, but also enhances the structural stability of the entire drive assembly 200. This double-layer housing design helps to reduce the noise generated by internal components during operation, improving the working performance and service life of the entire door handle lock box assembly.

[0033] In addition, the combined use of the first housing 210 and the second housing 220 may also provide additional mounting points or connection methods, enabling the drive assembly 200 to be more stably fixed on the door and window frames, ensuring the accuracy and reliability during the transmission process.

[0034] The first housing 210 and the second housing 220 have specific shapes and dimensions to adapt to the contours of the gear and the guide bar, ensuring a tight fit between the components. Specifically, the side of the first housing 210 close to the second housing 220 has a shell structure ( Figure 2 not marked in the figure) that surrounds the gear 240. The inside of the shell structure has notches to accommodate the mating gear; while the second housing 220 is in the form of a cover and mates with the shell structure of the first housing 210 to complete the sealing of the notches in the shell structure. In addition, the opposite sides of the bottoms of the first housing 210 and the second housing 220 have channel-shaped strips that fit on both sides of the guide bar 100 to allow the guide bar 100 to slide on the drive assembly 200.

[0035] In some embodiments, a connection cover 230 extending on both sides to insert into the first housing 210 is provided outside the second housing 220.

[0036] The middle of the connection cover 230 surrounds the outside of the second housing 220, and its two sides have extension parts designed to be inserted into the first housing 210 for fixing the first housing 210 and the second housing 220. The presence of the connection cover 230 strengthens the connection between the housings, providing a more stable structure and helping to resist the influence of external forces on the assembly.

[0037] Both sides of the connecting cover 230 extend and insert into the first housing 210, forming a mechanically interlocked structure. This design not only enhances the fixation between the first housing 210 and the second housing 220 but also provides a convenient way to assemble or disassemble the drive assembly 200, facilitating maintenance and repair. The insertion of the connecting cover 230 can be achieved through forms including but not limited to snaps, screws, or other fasteners, ensuring the tight combination of the first housing 210 and the second housing 220 to form a unified and stable external structure. This structural design helps protect the internal gear 240 from impacts and vibrations and also reduces the transmission errors caused by loose housings.

[0038] In addition, the connecting cover 230 may have other functions. For example, it provides additional mounting points so that the drive assembly can be more firmly fixed to the door and window frame, or it serves as a decorative part to improve the appearance quality of the product.

[0039] In some embodiments, connection slots 140 are provided at both ends of the guide bar 100, and a transmission bar connecting piece 130 is fixed to the connection slots 140 by screws.

[0040] The connection slots 140 are notch structures at both ends of the guide bar 100 for installing and fixing the transmission bar connecting piece 130. The transmission bar connecting piece 130 is a component for connecting the guide bar and the transmission bar. The bottom of the connection slots 140 has a tooth-shaped structure, and the bottom of the transmission bar connecting piece 130 also has a tooth-shaped structure. The tooth-shaped structures of the two fit with each other, facilitating the adjustment and limitation of the transmission bar connecting piece 130 at different positions in the connection slots 140 to meet different installation requirements.

[0041] An opening is provided at the bottom of the connection slots 140 for passing through screws. The transmission bar connecting piece 130 is fixed in the connection slots 140 by screws, ensuring that the transmission bar connecting piece 130 will not be displaced during operation. This fixing method not only improves the stability of the connection but also allows for quick adjustment or replacement of the transmission bar connecting piece 130 when necessary.

[0042] Threaded holes are provided on both sides of the transmission bar connecting piece 130, facilitating its connection with the transmission bar. By passing screws through the threaded holes and threadedly connecting them with the transmission bar, firm fixation can be achieved, ensuring that the transmission system can still maintain accurate and reliable performance under high-frequency use.

[0043] In some embodiments, positioning pieces 120 are rotatably arranged on both sides of the top of the guide bar 100.

[0044] The positioning pieces 120 are components installed on both sides of the top of the guiding strip 100. They have different length designs, usually shorter on two sides and longer on the other two sides. The positioning pieces 120 rotate around a rotation axis, which is the center point of the positioning piece, allowing the positioning pieces 120 to freely rotate within a certain angle range. A notch for cooperating with a wrench or a screwdriver for rotational adjustment is provided on the rotation axis of the positioning piece. The shape of the notch includes, but is not limited to, hexagon, cross or flat, to adapt to different tools.

[0045] The main function of the positioning pieces 120 is to enable the long side portions of the positioning pieces to abut against the inner wall of the door or window frame by rotating the positioning pieces during the installation of the lock box assembly onto the door or window frame. This design allows for fine adjustment of the lock box assembly to ensure its precise fit and fixation with the door or window frame.

[0046] During the installation process, first place the lock box assembly at the predetermined position, and then rotate the positioning pieces 120 according to the specific dimensions and shape of the door or window frame so that their long side portions can closely fit against the inner wall of the door or window frame. By inserting a wrench or a screwdriver into the notch on the positioning piece, the rotational adjustment can be conveniently carried out. Once the positioning pieces are adjusted to the appropriate positions, they can provide stable support and fixation for the lock box assembly, preventing it from shifting during use.

[0047] In some embodiments, a cover 300 is provided at the bottom of the guiding strip 100. The cover 300 surrounds the outside of the guiding strip 100 for one week and covers the bottom of the driving assembly 200.

[0048] The cover is a protective component installed at the bottom of the guiding strip 100, and its design is used to cover and protect the bottom of the guiding strip and the bottom area of the driving assembly 200.

[0049] The bottom of the guiding strip 100 is specifically designed with a cover 300. The cover 300 surrounds and covers the entire bottom area of the guiding strip 100, and at the same time extends downward to cover the bottom of the driving assembly 200. The main function of this design is to provide additional protection to prevent dust, moisture, corrosive substances or other external factors from damaging the guiding strip 100 and the driving assembly 200.

[0050] The presence of the cover 300 helps to reduce the wear that the guiding strip 100 and the driving assembly 200 may encounter during daily use and extends their service life. In addition, the cover 300 can also prevent damage caused by accidental impact of external objects, providing a solid barrier for the lock box assembly.

[0051] In terms of working principle, the protective cover 300 closely fits the outer shapes of the guiding strip 100 and the driving assembly 200 to form a sealed environment, which helps to maintain the cleanliness and performance of the internal components. When maintenance or component replacement is required, the protective cover 300 can be conveniently removed, providing easy access to the internal components.

[0052] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A handle lock box assembly, comprising a drive assembly (200) and a guide strip (100) slidably arranged at the bottom thereof, characterized in that: The driving assembly (200) comprises a gear (240) which is hollow and penetrates through the front and rear parts, and a tooth groove (110) is provided in the guide bar (100), wherein the gear (240) meshes with the tooth groove (110); The gear (240) is a double-row gear, and the teeth of the double-row gear are staggered; and the tooth groove (110) is a double-row tooth groove, and the notches of the double-row tooth groove are staggered.

2. The handle lock box assembly according to claim 1, characterized in that: The driving assembly (200) further comprises a first housing (210) and a second housing (220) which are sleeved on the outside of the gear (240) and the guide bar (100).

3. The handle lock box assembly according to claim 2, characterized in that: The second shell (220) is provided with a connection cover (230) on both sides extending to be inserted into the first shell (210).

4. The handle lock box assembly according to claim 1, characterized in that: The two ends of the guide bar (100) are provided with connection grooves (140), and the connection grooves (140) are fixed with transmission bar connection pieces (130) by means of screws.

5. The handle lock box assembly according to claim 1, characterized in that: Positioning pieces (120) are rotatably provided on both sides of the top of the guide bar (100).

6. The handle lock box assembly according to claim 1, characterized in that: A protective cover (300) is provided at the bottom of the guide bar (100), and the protective cover (300) surrounds the outside of the guide bar (100) and covers the bottom of the driving component (200).

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