PD door butt joint device

Abstract

A PD door butt joint device comprises a fixed base installed on a door frame and a movable base installed on a door leaf, and when the door frame is opened and closed, the movable base and the fixed base are separated or in butt joint. Wherein the fixed seat is provided with a fixed guide rail groove and a lifting wheel, and the lifting wheel is rotatably mounted in the fixed seat through a wheel seat; an elastic buckle is further arranged in the fixed seat, the movable seat is provided with a movable guide rail groove and a guide block protruding out of the butt joint end face of the movable guide rail groove, the lower end face of the guide block is provided with a guide inclined face, the front end face of the guide block is provided with a concave lock groove, and when the movable seat is in butt joint with the fixed seat, the lifting wheel and the guide inclined face extrude each other. And the movable seat is driven to be aligned with the fixed seat, so that the elastic buckle is buckled into the locking groove, and the relative position between the movable seat and the fixed seat is locked. The utility model has the beneficial effects that the lifting wheel designed on the fixed seat and the guide inclined surface on the movable seat extrude each other, so that the problem that the heights of the fixed seat and the movable seat need to be repeatedly adjusted in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to a hardware accessory, in particular to a PD door docking device. Background Art

[0002] PD door docking devices are widely used in modern buildings, especially in door structures that need to be opened and closed frequently, such as office doors, conference room doors, etc. However, the PD door docking devices in the prior art have some obvious disadvantages, which bring great inconvenience to installation and use.

[0003] In the existing PD door docking device design, the relative height between the fixed seat and the movable seat needs to be adjusted repeatedly to ensure that the two can dock accurately. This process is not only cumbersome, but also prone to errors. Especially during the first installation, multiple adjustments are required to achieve a satisfactory docking effect, which invisibly increases the complexity and time cost of installation.

[0004] In addition, after the door has been used for a period of time, the hinges and other connecting parts will wear out, causing the relative height between the fixed seat and the movable seat to change. Wear is inevitable, and this change will affect the normal use of the door. The docking device needs to be debugged regularly to ensure its normal function. This not only increases maintenance costs, but also brings great inconvenience to users' daily use.

[0005] Specifically, the existing PD door docking device has deficiencies in the following aspects:

[0006] 1. Complex installation: The relative height of the fixed seat and the movable seat needs to be adjusted repeatedly, which increases the difficulty and time cost of installation.

[0007] 2. Difficult maintenance: Wear of hinges and other connecting parts will cause changes in docking height, requiring frequent debugging, affecting user experience.

[0008] 3. Low docking accuracy: Due to the error of human adjustment, it is difficult to ensure high-precision docking between the fixed seat and the movable seat, which affects the normal opening and closing of the door body. Therefore, it is necessary to make further improvements. Utility Model Content

[0009] The purpose of the utility model is to overcome the shortcomings of the existing technology and provide a PD door docking device with simple structure, easy use, which can effectively simplify the installation process, improve docking accuracy, reduce maintenance requirements, and enhance user convenience.

[0010] The purpose of the utility model is achieved in the following way: a PD door docking device, which includes a fixed seat installed on the door frame and a movable seat installed on the door leaf, and when the door frame is opened or closed, the movable seat is separated from the fixed seat or docked;

[0011] The fixing seat is provided with a fixing guide rail groove and a lifting wheel, and the lifting wheel is rotatably mounted in the fixing seat through a wheel seat; an elastic buckle is also provided in the fixing seat, and the elastic buckle is always pushed out toward the docking surface of the fixing seat by a spring support;

[0012] Among them, the movable seat is provided with a movable guide groove and a guide block protruding from its docking end face, the guide block is provided with a guide inclined surface on its lower end face, and a concave locking groove on its front end face. When the movable seat is docked with the fixed seat, the lifting wheel and the guide inclined surface squeeze each other, driving the movable seat to align with the fixed seat, so that the elastic buckle is buckled into the locking groove, locking the relative position between the movable seat and the fixed seat.

[0013] The front end surface of the guide block is also provided with an extrusion slope inclined toward the locking groove. When the movable seat is docked with the fixed seat, the elastic buckle is squeezed by the extrusion slope, and after driving the elastic buckle to retract, it rebounds and snaps into the locking groove.

[0014] The outer end surface of the elastic buckle is an arc surface with an arc-shaped protrusion, and the arc surface is buckled into the locking groove and fixed.

[0015] The locking groove is an arc inner groove that cooperates with the outer end surface of the elastic buckle.

[0016] The movable seat is provided with a mounting groove, the elastic buckle is slidably mounted in the mounting groove, and the spring is mounted between the mounting groove and the elastic buckle.

[0017] The butt joint surface of the movable seat is a rear inclined surface which is wide outside and narrow inside. Correspondingly, the butt joint surface of the fixed seat is a front inclined surface which is narrow outside and wide inside.

[0018] The fixed seat is provided with a positioning boss protruding from the end face on the butt joint surface. Correspondingly, the movable seat is provided with a concave positioning groove on the butt joint surface. After the fixed seat and the movable seat are butt jointed, the positioning boss is snapped into the positioning groove.

[0019] The beneficial effects of the utility model are: 1. Simple structure, low production cost and improved market competitiveness.

[0020] 2. The lifting wheel on the fixed seat and the guide slope on the movable seat are designed to squeeze each other, which solves the problem of repeated height adjustment of the fixed seat and the movable seat in the prior art. When the door frame is docked, the lifting wheel and the guide slope interact with each other to automatically drive the movable seat to align with the fixed seat. This design not only simplifies the installation process, but also ensures that each docking can be accurately positioned, greatly improving the installation efficiency and docking accuracy.

[0021] 3. The mutual squeezing effect between the lifting wheel and the guide slope enables the fixed seat and the movable seat to automatically adjust to the optimal position each time they are docked, avoiding human adjustment errors. This high-precision docking method ensures the stability and reliability of the door body during use, and avoids the door body being stuck or unable to open and close normally due to inaccurate docking.

[0022] 4. The design of the elastic buckle and the lock slot in the utility model provides a reliable locking mechanism. When the movable seat and the fixed seat are docked, the elastic buckle shrinks under the action of the extrusion slope, and then rebounds and snaps into the lock slot to firmly lock the relative position between the two. This design ensures that the docking device can remain stable when subjected to external forces, and is not easy to loosen or fall off, thereby improving the safety and durability of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a diagram showing the effect of the fixed seat and the movable seat being connected to each other in the utility model.

[0024] Figure 2 It is a schematic diagram of the structure of the fixing seat in the utility model.

[0025] Figure 3 It is a schematic diagram of the structure of the movable seat in the utility model.

[0026] Figure 4 It is a cross-sectional view of the structure after the fixed seat and the movable seat in the utility model are connected.

[0027] Marking name: 1 - fixed seat; 11 - fixed guide groove; 12 - positioning boss; 2 - movable seat; 21 - mounting groove; 22 - positioning groove; 23 - movable guide groove; 3 - lifting wheel; 31 - wheel seat; 32 - elastic buckle; 4 - guide block; 41 - guide slope; 42 - locking groove; 43 - extrusion slope. DETAILED DESCRIPTION

[0028] The utility model is further described in detail below with reference to the accompanying drawings. A PD door docking device comprises a fixed seat 1 installed on a door frame and a movable seat 2 installed on a door leaf. When the door frame is opened or closed, the movable seat 2 is separated from or docked with the fixed seat 1;

[0029] The fixing seat 1 is provided with a fixing guide groove 11 and a lifting wheel 3, and the lifting wheel 3 is rotatably mounted in the fixing seat 1 through a wheel seat 31; an elastic buckle 32 is also provided in the fixing seat 1, and the elastic buckle 32 is always pushed out toward the docking surface of the fixing seat 1 by a spring support;

[0030] Among them, a movable guide groove 23 and a guide block 4 protruding from its docking end face are arranged on the movable seat 2, and the guide block 4 is provided with a guide slope 41 at its lower end face, and a concave locking groove 42 at its front end face. When the movable seat 2 is docked with the fixed seat 1, the lifting wheel 3 and the guide slope 41 are squeezed against each other, driving the movable seat 2 to align with the fixed seat 1, so that the elastic buckle 32 is snapped into the locking groove 42, locking the relative position between the movable seat 2 and the fixed seat 1.

[0031] The front end surface of the guide block 4 is also provided with an extrusion slope 43 inclined toward the locking groove 42 . When the movable seat 2 is docked with the fixed seat 1 , the elastic buckle 32 is squeezed against the extrusion slope 43 , and after driving the elastic buckle 32 to retract, it rebounds and buckles into the locking groove 42 .

[0032] The outer end surface of the elastic buckle 32 is a circular arc surface with an arc shape protrusion, and the circular arc surface is snapped into the locking groove 42 for fixing.

[0033] The locking groove 42 is an arc inner groove that cooperates with the outer end surface of the elastic buckle 32.

[0034] The movable seat 2 is provided with a mounting groove 21 , the elastic buckle 32 is slidably mounted in the mounting groove 21 , and the spring is mounted between the mounting groove 21 and the elastic buckle 32 .

[0035] The butt joint surface of the movable seat 2 is a rear inclined surface that is wide outside and narrow inside. Correspondingly, the butt joint surface of the fixed seat 1 is a front inclined surface that is narrow outside and wide inside.

[0036] The fixed seat 1 is provided with a positioning boss 12 protruding from the end face thereof on the docking end face. Correspondingly, the movable seat 2 is provided with a concave positioning groove 22 on the docking end face. After the fixed seat 1 is docked with the movable seat 2, the positioning boss 12 is snapped into the positioning groove 22.

[0037] The PD door docking device provided by the utility model includes two main parts: a fixed seat and a movable seat. The fixed seat is installed on the door frame, and the movable seat is installed on the door leaf. The specific working principle is as follows:

[0038] When the door frame is closed, the movable seat gradually approaches the fixed seat. The fixed seat is provided with a lifting wheel, and the movable seat is provided with a guide block. The lower end surface of the guide block is designed as a guide slope. When the movable seat approaches the fixed seat, the lifting wheel and the guide slope squeeze each other, driving the movable seat and the fixed seat to automatically align. This design ensures that the fixed seat and the movable seat can be accurately aligned each time they are docked, greatly improving the docking accuracy. Through the mutual squeezing effect of the lifting wheel and the guide slope, the automatic alignment of the fixed seat and the movable seat is achieved, ensuring that each docking can be accurately in place and avoiding human adjustment errors.

[0039] On the docking surface of the fixed seat, there is an elastic buckle, which is supported by a spring and always pushed out in the direction of the docking surface of the fixed seat. The front end surface of the guide block of the movable seat is designed with a concave lock groove. When the movable seat is docked with the fixed seat, the extrusion of the lifting wheel and the guide slope makes the elastic buckle gradually approach the lock groove, and finally snap into the lock groove to lock the relative position between the movable seat and the fixed seat. The design of the elastic buckle and the lock groove provides a reliable locking mechanism to ensure that the docking device can remain stable when subjected to external force, and is not easy to loosen or fall off, making the sliding door slide more stable and smooth.

[0040] After the door body is used for a period of time, the hinges and other connecting parts may wear out, but the design of the utility model ensures that such wear will not affect the stability of the docking height. The height change caused by wear can be automatically compensated under the action of the lifting wheel and the guide slope to ensure the docking accuracy of the fixed seat and the movable seat.

[0041] It reduces the user's maintenance and debugging requirements and improves ease of use.

[0042] To sum up, the PD door docking device of the utility model realizes the functions of automatic alignment, efficient docking, stable locking and automatic compensation of wear between the fixed seat and the movable seat through reasonable structural design, which greatly simplifies the installation process, improves docking accuracy, reduces maintenance requirements, and enhances user convenience.

[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A PD door docking device, characterized in that: It comprises a fixed seat (1) mounted on the door frame and a movable seat (2) mounted on the door leaf. When the door frame is opened or closed, the movable seat (2) is separated from or connected to the fixed seat (1). The fixing seat (1) is provided with a fixing guide groove (11) and a lifting wheel (3), and the lifting wheel (3) is rotatably mounted in the fixing seat (1) via a wheel seat (31); an elastic buckle (32) is also provided in the fixing seat (1), and the elastic buckle (32) is supported by a spring and always pushed out in the direction of the docking surface of the fixing seat (1); The movable seat (2) is provided with a movable guide rail groove (23) and a guide block (4) protruding from the mating end face thereof; the guide block (4) is provided with a guide inclined surface (41) at its lower end face and a concave locking groove (42) at its front end face; when the movable seat (2) is mated with the fixed seat (1), the lifting wheel (3) and the guide inclined surface (41) are pressed against each other, driving the movable seat (2) and the fixed seat (1) to align, so that the elastic buckle (32) is snapped into the locking groove (42), thereby locking the relative position between the movable seat (2) and the fixed seat (1).

2. A PD door docking device according to claim 1, characterized in that: The front end surface of the guide block (4) is also provided with an extrusion slope (43) inclined in the direction of the locking groove (42). When the movable seat (2) and the fixed seat (1) are docked, the elastic buckle (32) is pressed against the extrusion slope (43), and after the elastic buckle (32) is driven to retract, it rebounds and snaps into the locking groove (42).

3. A PD door docking device according to claim 1 or 2, characterized in that: The outer end surface of the elastic buckle (32) is a circular arc surface with an arc-shaped protrusion, and the circular arc surface is snapped into the locking groove (42) for fixation.

4. A PD door docking device according to claim 1 or 2, characterized in that: The locking groove (42) is an arc inner groove that cooperates with the outer end surface of the elastic buckle (32).

5. The PD door docking device according to claim 1, characterized in that: The movable seat (2) is provided with a mounting groove (21), the elastic buckle (32) is slidably mounted in the mounting groove (21), and the spring is mounted between the mounting groove (21) and the elastic buckle (32).

6. The PD door docking device according to claim 1, characterized in that: The butt joint surface of the movable seat (2) is a rear inclined surface that is wide on the outside and narrow on the inside. Correspondingly, the butt joint surface of the fixed seat (1) is a front inclined surface that is narrow on the outside and wide on the inside.

7. A PD door docking device according to claim 1 or 6, characterized in that: The fixed seat (1) is also provided with a positioning boss (12) protruding from the end face thereof on the butt joint end face, and correspondingly, the movable seat (2) is also provided with a concave positioning groove (22) on the butt joint end face, and after the fixed seat (1) and the movable seat (2) are butt jointed, the positioning boss (12) is snapped into the positioning groove (22).

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