Anti-swing door linkage

Abstract

This invention discloses an anti-jump linkage door, comprising an upper door frame, a lower door frame, a fixed door, a middle door, and a movable door. The movable door and the middle door are slidably connected to the upper door frame. The movable door and the middle door are driven together by a linkage component, which includes a cover plate and a friction strip. The friction strip is installed on the lower end face of the cover plate, and the cover plate is fixedly connected to the movable door. The upper door frame includes a guide groove, and the cover plate is engaged in the guide groove. This invention prevents the movable door from unexpectedly jumping when it moves back and forth by using the cover plate to hold the upper door frame in place.

Description

Technical Field

[0001] This invention relates to bathroom products, particularly shower doors. Background Technology

[0002] A shower enclosure is a bathroom facility used for bathing. It prevents water splashing during showering, separates wet and dry areas, and makes the bathroom cleaner. A typical shower enclosure consists of two parts: a base for the user to stand on, which collects and guides water flow; and an upper part enclosing a space with a shower door made of several glass panels. The adjacent glass panels are fixed together with glass clips, allowing the glass to stand upright on the ground. The base and the barrier, along with the wall, form an independent space within the bathroom for the user to shower.

[0003] In order to obtain a larger opening space, linkage doors have emerged in the prior art. However, the structure of linkage doors in the prior art is not only relatively complex and the installation is more cumbersome, but the sliding door will also bounce during the movement. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an anti-jump linkage door to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0005] The solution to the technical problem of this invention is: an anti-jump linkage door, including an upper door frame, a lower door frame, a fixed door, a middle door, and a movable door. The movable door and the middle door are slidably connected to the upper door frame. The movable door and the middle door are driven by a linkage component. The linkage component includes a cover plate and a friction strip. The friction strip is installed on the lower end face of the cover plate. The cover plate is fixedly connected to the movable door. The upper door frame includes a guide groove, and the cover plate is stuck in the guide groove.

[0006] The beneficial effect of the present invention is that by using a cover plate to hold the upper door frame, the present invention prevents the movable door from jumping up unexpectedly when it moves back and forth.

[0007] As a further improvement to the above technical solution, an anti-collision component is provided at the end of the upper door frame. The anti-collision component is fixed to the upper door frame and includes an anti-collision rubber block that abuts against the pulleys on the movable door. By adding the anti-collision component, the movable door can be braked after it has moved into position.

[0008] As a further improvement to the above technical solution, the anti-collision component also includes a braking block, which is embedded in the guide groove. The braking block includes a stop groove facing the cover plate. The stop groove allows the cover plate to be embedded into it after it is in place, further improving the anti-jumping effect of the sliding door.

[0009] As a further improvement to the above technical solution, the lower end of the movable door is provided with a first sliding hook and a second sliding hook, the lower door frame includes a first lower hook groove, the lower end of the middle door is fixedly provided with a lower frame, the lower frame is provided with a second lower hook groove, and a third sliding hook is also fixedly provided on the lower frame. The first sliding hook and the third sliding hook are slidably connected to the first lower hook groove, and the second sliding hook is slidably connected to the second lower hook groove.

[0010] By replacing the lower end of the sliding door with a sliding hook connection, the traditional pulley and guide rail structure can be eliminated, allowing the lower door frame to be made shorter and reducing the risk of users tripping when entering or exiting the shower room. Furthermore, the sliding hook structure of the lower door frame and the pulley structure of the upper door frame use a similar staggered structure, resulting in better stability of the shower room door during sliding.

[0011] As a further improvement to the above technical solution, the first sliding hook includes a vertical hook, which engages with the first lower hook groove. By adopting the structure of the vertical hook, the height of the lower door frame can be further reduced.

[0012] As a further improvement to the above technical solution, a guide block is provided on the vertical hook, and the guide block abuts against the inner wall of the first lower hook groove. By adding the guide block, the sliding door can be made more stable and smooth during the sliding process.

[0013] As a further improvement to the above technical solution, the upper end of the movable door is provided with a pulley assembly, which includes a handle and an adjusting seat. The movable door is clamped between the handle and the adjusting seat. The adjusting seat includes a slotted hole, and the handle has a screw hole corresponding to the slotted hole. The adjusting seat also has an adjusting screw hole, the center line of which is vertical, and the lower end of which communicates with the slotted hole. Because the movable door is directly clamped on the handle and the adjusting seat, it will not loosen or change its vertical position over a long period of time. Furthermore, the adjustment structure of this solution is more reasonable. By adjusting the screw against the mounting screw, the position of the movable door can be adjusted. After adjustment, tightening the mounting screw effectively prevents further changes in the vertical position of the movable door.

[0014] As a further improvement to the above technical solution, the pulley block also includes a cover that covers the adjusting seat.

[0015] As a further improvement to the above technical solution, a column is also included. The upper end of the column has a slot, and the end of the upper door frame is engaged in the slot. The side of the column also includes a mounting hole, through which a screw passes and is fixedly connected to the end of the upper door frame. The upper door frame is installed by drilling holes in the side of the column, thus eliminating the need to fabricate any installation structure during the upper door frame's manufacturing process. This simplifies the manufacturing efficiency of the upper door frame and facilitates length adjustment.

[0016] As a further improvement to the above technical solution, the slot also includes a clamping component, which is nested at the end of the upper door frame, and the screw abuts against the clamping component. The clamping component makes the installation of the upper door frame more secure and reliable. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly explained below. Obviously, the described drawings are only a part of the embodiments of the present invention, and not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the linkage door of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the movable door of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the middle door of the present invention;

[0021] Figure 4 This is a schematic diagram of the installation structure of the lower door frame of the present invention;

[0022] Figure 5 This is an exploded view of the lower door frame mounting structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the installation structure of the upper door frame of the present invention;

[0024] Figure 7 This is an exploded view of the installation structure of the upper door frame of the present invention;

[0025] Figure 8 This is a schematic diagram of the pulley system of the present invention;

[0026] Figure 9 This is a schematic diagram of the anti-collision component of the present invention;

[0027] Figure 10 This is an exploded view of the upper frame mounting structure of the present invention. Detailed Implementation

[0028] The following will clearly and completely describe the concept, specific structure, and technical effects of the present invention in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are all within the scope of protection of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, enabling a person to intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.

[0029] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0030] In the description of this invention, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0031] In the description of this invention, unless otherwise explicitly defined, terms such as "setting," "installing," and "connecting" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meaning of these terms in this invention based on the specific content of the technical solution. Furthermore, the various technical features in this invention can be combined interactively, provided they do not contradict each other.

[0032] Reference Figures 1-10 This application provides a three-door linkage door for a shower room. The linkage door includes two uprights 100 on the left and right, an upper door frame 200 above the uprights 100, and a lower door frame 300 below the uprights 100. The uprights 100, upper door frame 200, and lower door frame 300 together form a relatively enclosed space. In this embodiment, the uprights 100, upper door frame 200, and lower door frame 300 are all made of aluminum profiles. Of course, in some other embodiments, the uprights 100, upper door frame 200, and lower door frame 300 can also be made of stainless steel.

[0033] In addition, the linkage door of this application also includes a fixed door 410, a movable door 420, and an intermediate door 430. The fixed door 410 is fixed to the upper door frame 200, the lower door frame 300, and the column 100. The upper and lower ends of the intermediate door 430 and the movable door 420 are slidably connected to the upper door frame 200 and the lower door frame 300, respectively. The movable door 420 is equipped with a door handle. Furthermore, the movable door 420 and the intermediate door 430 move synchronously through a linkage 500.

[0034] The linkage component includes a cover plate 510 and a friction strip 520. The friction strip 520 is fixedly installed on the lower end face of the cover plate 510, which in turn is fixedly installed on the movable door 420 by screws. The friction strip 520 faces the roller on the middle door 430. When the movable door 420 slides in the left-right direction, the friction strip 520 abuts against the roller of the middle door 430. Through the friction between the friction strip 520 and the roller, the roller is driven to rotate, thereby realizing the linkage of the middle door 430.

[0035] See Figure 2 The movable door 420 includes a glass door body 421, on which a handle is fixedly provided. A pulley assembly 600 is fixedly provided above the glass door body 421, and a first sliding hook 710 and a second sliding hook 720 are fixedly provided below the glass door body 421. The pulley assembly 600 includes a first pulley 610 and a second pulley 620.

[0036] See Figure 3 , Figure 5 , Figure 7 The intermediate door 430 includes a glass door 431. The glass door 431 has an upper frame 432 at its upper end and a lower frame 433 at its lower end. The lengths of both the upper frame 432 and the lower frame 433 are greater than the length of the glass door 431. A roller 434 is located on the front side of the upper frame 432, and a second guide rail 436 is located on the rear side of the upper frame 432. A third sliding hook 620 is located on the front side of the lower frame 433, and a second lower hook groove 435 is located on the rear side. The second roller 620 is slidably connected to the second guide rail 436, and the second sliding hook 720 is slidably connected to the second lower hook groove 435.

[0037] See Figure 6 , Figure 7 The upper door frame 200 includes a main body 210, with an upwardly opening first guide rail 220 on the rear side of the main body 210, and a guide groove 230 on the upper side of the main body 210. The first pulley 610 and the roller 434 are both slidably connected to the first guide rail 220. The cover plate 510 is inserted into the guide groove 230.

[0038] See Figure 4 , Figure 5 The lower door frame 300 has a first lower hook groove 310 on its rear side and a glass groove 320 on its upper side. The first sliding hook 710 and the third sliding hook 730 are both slidably connected to the lower hook groove 310.

[0039] During installation, first fix the left and right uprights 100 to the wall of the shower room, and then fix the lower door frame 300 and upper door frame 200 to the uprights 100. This completes the frame installation. Next, fix the fixed door 410 to the uprights 100, upper door frame 200, and lower door frame 300 using silicone sealant. In this embodiment, the fixed door 410 is fixed to the right side.

[0040] Next, the middle door 430 is hung on the upper door frame 200, so that the roller 434 falls on the first guide rail 220.

[0041] Then, the movable door 420 is hung on the upper door frame 200, so that the first pulley 610 falls on the first guide rail 220, and the second pulley 620 falls on the second guide rail 436.

[0042] Finally, insert the linkage 500 into the guide groove 230, align it with the movable door 420, and then fix the cover plate 510 on the movable door 420.

[0043] When in use, the handle is pulled to move the movable door 420 back and forth in the left and right directions. Since the friction strip 520 of the linkage 500 is always in contact with the surface of the roller 434, when the friction strip 520 moves back and forth, it drives the roller 434 to rotate, so that the middle door 430 also moves with the movable door 420.

[0044] Meanwhile, since the upper and lower ends of the guide groove 230 are relatively closed, with only an opening on the rear side, the cover plate 510 cannot move vertically when it moves left and right. Because the cover plate 510 is fixed to the movable door 420 with screws, the movable door 420 is constrained by the guide groove 230 when it slides left and right, preventing it from jumping.

[0045] Furthermore, to further improve the anti-jump effect. See Figure 9 Anti-collision components 800 are fixedly installed at both ends of the upper door frame 200. Each anti-collision component 800 includes an anti-collision rubber block 810 and a braking block 820. The anti-collision component 800 is fixedly installed on the main body 210, allowing the anti-collision rubber block 810 to face the first pulley 610. It is understood that the anti-collision rubber block 810 includes an arc-shaped concave surface to provide a larger contact area between the first pulley 610 and the anti-collision rubber block 810.

[0046] Simultaneously, the brake block 820 is inserted into the guide groove 230, and the brake block 820 includes a stop groove 821 with a flared opening, the stop groove 821 facing the cover plate 510. When the movable door 420 moves to the left and right ends of the upper door frame 200, the cover plate 510 will first embed into the brake block 820. Since the stop groove 821 is flared, the brake block 820 and the cover plate 510 are interference-fitted. As the cover plate 510 goes deeper, the fit becomes tighter and the friction increases. Finally, the first pulley 610 will contact the anti-collision member 800, stopping the movement and thus achieving a slow braking effect. Meanwhile, due to the above design, the cover plate 510 is tightly clamped by the brake block 820, and the cover plate 510 is fixedly connected to the entire movable door 420. Therefore, the movable door 420 will not jump due to inertia after the process of high-speed movement and slow braking, thus achieving a good anti-jumping effect.

[0047] In addition to its excellent anti-jump effect, this linkage door also optimizes the lower guide structure, allowing for a narrower lower door frame 300, meaning a lower height. In this design, the height of the lower door frame 300 does not exceed 18mm, and preferably, it is only 17mm. Since the lower door frame 300 is fixed to the ground, users need to step over it to enter or exit; therefore, the lower the height of the lower door frame 300, the more convenient it is for users.

[0048] In traditional shower doors, rollers are installed on the bottom of the glass door to ensure reliable back-and-forth movement. To accommodate these rollers, the bottom frame is often quite high, making it easy for users to trip when entering or exiting the shower.

[0049] To address this, this solution involves installing sliding hooks on the lower side of the movable door 420 and the middle door, using the sliding between the hooks and the track to replace the pulleys, thereby allowing the lower door frame 300 to be made very narrow.

[0050] For details, see Figure 4 , Figure 5 The lower door frame 300 has a downward-opening first lower hook groove 310 on its upper side. Correspondingly, the first sliding hook 710 includes a vertically upward-facing vertical hook 740, and the vertical hook 740 is provided with a guide rubber block 750. The vertical hook 740 is engaged in the first lower hook groove 310. Moreover, the guide rubber block 750 abuts against the inner wall of the first lower hook groove 310.

[0051] Since the upper part of the movable door 420 and the middle door 430 are already suspended on the upper door frame 200, and the upper door frame 200 mainly bears the weight of the movable door 420, the lower door frame 300 only needs to serve a guiding function and does not need to bear the weight of the movable door. By using vertical hooks embedded in hook grooves to achieve guidance, the guiding effect can be guaranteed, and the height of the lower door frame can be made lower.

[0052] Since the opening of the first lower hook groove 310 faces downward, during installation, the first sliding hook 710 needs to be installed on the lower door frame 300 first. After the movable door 420 is hung on the upper door frame 200, the first sliding hook 710 is then fixedly installed to the movable door 420.

[0053] To ensure smooth movement of the shower door after installation, its position typically needs adjustment, specifically its horizontal height. Traditional adjustments involve moving the rollers on the door's base up and down, thus moving the glass door relative to the frame. However, this method places the entire weight of the door on the adjusting screws, which can loosen over time, causing the door's height to fluctuate and affecting its smoothness.

[0054] Therefore, this solution optimizes the structure of the pulley block 600, enabling it to have both adjustment capabilities and a guaranteed service life.

[0055] See Figure 8 The pulley block 600 includes a handle 601, an adjusting seat 602, a rubber pad 603, a cover 604, and a guide wheel. The guide wheel is directly mounted on the handle 601. The cover plate 510 is also fixedly mounted on the handle 601. The handle 601 is also provided with a screw hole. The adjusting seat 602 includes a slotted hole 6021, an adjusting screw hole 6022, and a boss 6023. The slotted hole 6021 corresponds to the screw hole, and the adjusting screw hole 6022 is vertical and communicates with the slotted hole 6021. The rubber pad 603 is located between the handle 601 and the adjusting seat 602.

[0056] During installation, a round hole is machined above the movable door 420. A rubber pad 603 is then fitted into the round hole, followed by the protrusion 6023 of the adjusting seat 602 fitting into the round hole. The oblong hole 6021 passes through the protrusion 6023, and a fixing screw passes through the oblong hole 6021 and is fixed to the screw hole of the wheel handle 601. During adjustment, the fixing screw is first roughly tightened so that the glass door is suspended relative to the upper door frame. Then, an adjusting screw is screwed into the adjusting screw hole 6022, so that the lower end of the adjusting screw passes through the adjusting screw hole 6022 and abuts against the fixing screw. Since the end of the fixing screw has entered the screw hole, adjusting the adjusting screw allows for adjustment of the vertical position of the movable door. After adjustment, the fixing screw is tightened forcefully, and the glass door is fixed by the clamping force of the fixing screw. Finally, the adjusting seat 602 is covered with a cover 604, which not only provides an aesthetic effect but also protects the adjusting seat from moisture corrosion.

[0057] This solution adjusts the position of the sliding door by adjusting the screws against the fixing screws. After adjustment, tightening the mounting screws effectively prevents further changes in the vertical position of the sliding door. The position adjustment is highly reliable. Because the entire wheel handle is a single unit, it will not loosen or wobble after prolonged use, improving the stability of the wheels and making operation smoother.

[0058] In traditional shower doors, the installation between the upper frame and the support post typically requires pre-drilling mounting holes in the upper frame. However, due to various unpredictable factors at construction sites, the pre-drilled mounting holes may not be usable on-site. This significantly reduces construction efficiency.

[0059] Therefore, this solution optimizes and adjusts the installation structure of the shower enclosure's upper door frame. For details, please refer to... Figure 10 As a further preferred embodiment, the upper end of the column 100 is provided with a slot 110, and the left and right ends of the upper door frame 200 are engaged in the slot. The side of the column 100 also includes a mounting hole, through which a self-tapping screw passes and is fixedly connected to the end of the upper door frame. The slot 110 also includes a clamping member 120, which is placed in the slot, and the screw abuts against the clamping member.

[0060] During production, a slot 110 is machined into the upper end of the column 100. The width and depth of the slot 110 correspond to the width and height of the upper door frame 200, respectively. During installation, the clamping component 120 is first placed in the slot 110, and then the upper door frame 200 is inserted into the clamping component 120. Finally, self-tapping screws are used to sequentially pass through the column 100, clamping component 120, upper door frame 200, and anti-collision component 800, thus achieving a fixed connection between the upper door frame 200 and the column 100. Since no fixing holes need to be machined on the upper door frame 200, installers can cut the upper door frame 200 arbitrarily to meet on-site installation size requirements, increasing the product's market versatility. Furthermore, since the size of the shower room door can be met on-site by cutting the upper door frame, no pre-installed installation dimensions are needed for the left and right columns; therefore, the left and right columns can also be made very narrow. See also Figure 1 In this embodiment, the width of the left and right columns is only 15mm.

[0061] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. An anti-jump linkage door, comprising an upper door frame, a lower door frame, a fixed door, a middle door, and a movable door, wherein the movable door and the middle door are slidably connected to the upper door frame, and the movable door and the middle door are drivenly connected by a linkage component, wherein the linkage component includes a cover plate and a friction strip, the friction strip being installed on the lower end face of the cover plate, and the cover plate being fixedly connected to the movable door, characterized in that: The upper door frame includes a guide groove, and the cover plate is inserted into the guide groove; the upper end of the movable door is provided with a pulley assembly, the pulley assembly includes a wheel handle and an adjusting seat, and the movable door is clamped between the wheel handle and the adjusting seat; the adjusting seat includes an oblong hole, the wheel handle is provided with a screw hole, and the oblong hole corresponds to the screw hole; the adjusting seat is also provided with an adjusting screw hole, the center line of the adjusting screw hole is in the vertical direction, and the lower end of the adjusting screw hole communicates with the oblong hole; the pulley assembly also includes a cover, the cover covering the adjusting seat; The lower end of the movable door is provided with a first sliding hook and a second sliding hook. The lower door frame includes a first lower hook groove. The lower end of the middle door is fixedly provided with a lower frame. The lower frame is provided with a second lower hook groove. A third sliding hook is also fixedly provided on the lower frame. The first sliding hook and the third sliding hook are slidably connected to the first lower hook groove. The second sliding hook is slidably connected to the second lower hook groove. The first sliding hook includes a vertical hook. The vertical hook is engaged in the first lower hook groove. The vertical hook is provided with a guide rubber block. The guide rubber block abuts against the inner wall of the first lower hook groove.

2. The anti-jump linkage door according to claim 1, characterized in that: The upper door frame is provided with a collision protection member at its end. The collision protection member is fixed to the upper door frame and includes a collision protection rubber block. The collision protection rubber block abuts against the pulley on the movable door.

3. The anti-jump linkage door according to claim 2, characterized in that: The anti-collision component also includes a brake block, which is embedded in the guide groove and includes a stop groove facing the cover plate.

4. The anti-jump linkage door according to claim 1, characterized in that: It also includes a column, the upper end of which is provided with a slot, the end of the upper door frame is engaged in the slot, and the side of the column also includes a mounting hole, through which a screw is fixedly connected to the end of the upper door frame.

5. The anti-jump linkage door according to claim 4, characterized in that: The slot also includes a clamping component, which is nested at the end of the upper door frame, and the screw abuts against the clamping component.

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