WO2024092866A1 - 门合页 - Google Patents

门合页 Download PDF

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Publication number
WO2024092866A1
WO2024092866A1 PCT/CN2022/131099 CN2022131099W WO2024092866A1 WO 2024092866 A1 WO2024092866 A1 WO 2024092866A1 CN 2022131099 W CN2022131099 W CN 2022131099W WO 2024092866 A1 WO2024092866 A1 WO 2024092866A1
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WO
WIPO (PCT)
Prior art keywords
connecting arm
housing
door hinge
return spring
hinged
Prior art date
Application number
PCT/CN2022/131099
Other languages
English (en)
French (fr)
Inventor
茅立明
谢增荣
唐海龙
Original Assignee
广东名门锁业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东名门锁业有限公司 filed Critical 广东名门锁业有限公司
Publication of WO2024092866A1 publication Critical patent/WO2024092866A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges

Definitions

  • the present invention relates to the technical field of door hardware equipment, and in particular, to a door hinge.
  • Invisible doors are doors that do not have a door frame or handles on the outside. After closing, it is difficult to directly observe the shape, size, and style of the door. Since there is no handle, a self-closing mechanism is usually set on the door hinge to facilitate closing. However, the structure of the traditional self-closing mechanism is relatively complex and the production cost is high.
  • the present disclosure is made to solve the above-mentioned technical problems, and its purpose is to provide a door hinge having a self-closing mechanism with a relatively simple structure, which can reduce the manufacturing cost.
  • an embodiment of the present disclosure provides a door hinge, comprising:
  • the first housing and the second housing are both hollow structures with one side opening, and the two openings face each other when the door hinges are closed;
  • a linkage assembly the two ends of which are respectively hinged in the first housing and the second housing, and has a first connecting arm with one end hinged in the first housing, and the first connecting arm rotates in opposite directions when the door hinge is opened or closed;
  • a return spring is arranged in the first housing, and one end of the return spring is connected to the first connecting arm.
  • the first connecting arm rotates and drives the return spring to store force.
  • the return spring drives the first connecting arm to rotate in the direction of closing the door hinge.
  • the door hinge disclosed in the present invention is provided with a first connecting arm in the first housing that can rotate in the opposite direction when opening and closing the door hinge, and a return spring with one end connected to the first connecting arm is provided in the first housing.
  • the return spring When the door hinge is opened, the return spring is compressed and stores force. After the door hinge is opened and loses external force, the return spring can drive the first connecting arm to rotate in the direction of closing the door hinge, and finally close the two housings of the door hinge together through the linkage assembly.
  • the door hinge can realize the automatic closing function of the door hinge with a relatively simple structure only by improving the linkage assembly and providing a return spring in one housing, thereby reducing the manufacturing cost of the door hinge.
  • the return spring is arranged inside the first housing, which is not easily noticed by the user and is more suitable for invisible doors.
  • FIG1 is a schematic structural diagram of a door hinge in an open state according to an embodiment of the present disclosure.
  • FIG. 2a and FIG. 2b are schematic diagrams of the three-dimensional cross-sectional structure of a door hinge in an open state and a closed state, respectively, according to an embodiment of the present disclosure.
  • 3a and 3b are schematic diagrams of the structure inside the first housing involved in an embodiment of the present disclosure at different viewing angles.
  • FIG. 4 is a schematic diagram of the structure of a first connecting arm involved in an embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of the structure of a compression unit involved in an embodiment of the present disclosure.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components.
  • installed should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components.
  • a door hinge is disclosed, and Figure 1 shows the structure of the door hinge in an open state; Figure 2a shows the three-dimensional cross-sectional structure of the door hinge in an open state; Figure 2b shows the three-dimensional cross-sectional structure of the door hinge in a closed state, wherein the structures of the first housing and the second housing are hidden in order to show more internal structures; Figures 3a and 3b show the structures and connection relationships of various components in the first housing of the door hinge at two different viewing angles, wherein in Figure 3b, in order to show the connection relationship between the driving part and the compression part, the structure of the first base is hidden; Figure 4 shows the structure of the first connecting arm; and Figure 5 shows the structure of the compression part.
  • the door hinge includes a first housing 11, a second housing 12, a linkage assembly and a return spring 31.
  • the first housing 11 and the second housing 12 are connected together by a linkage assembly.
  • the two housings are respectively fixed on the door frame and the door leaf to achieve the connection between the door leaf and the door frame.
  • the first housing 11 and the second housing 12 are both hollow structures with one side opening, as shown in Figure 1. In this embodiment, they are long strip structures.
  • the openings of the two housings face each other.
  • the first housing 11 is installed on the door frame and the second housing 12 is installed on the door leaf as an example to illustrate the various components in the door hinge and their connection relationship.
  • the return spring 31, the adjustment assembly and the buffer assembly described below are all arranged in the first housing 11 on the door frame.
  • the return spring 31, the adjustment assembly and the buffer assembly can also be arranged in the second housing 12 and installed on the door leaf, and the corresponding functions can also be achieved.
  • the linkage assembly is composed of a plurality of connecting arms, and the two ends of the connecting arms are respectively hinged in the first housing 11 and the second housing 12 to realize the opening and closing of the door hinge.
  • One end of the first connecting arm 21 is hinged in the first housing 11, and when the door hinge is opened or closed, the first connecting arm 21 rotates in opposite directions around the hinge axis.
  • the first connecting arm 21 rotates counterclockwise around the hinge axis, from nearly perpendicular to the bottom surface of the first housing 11 to the side against the bottom surface of the first housing 11; conversely, when the door hinge is closed to open, the first connecting arm 21 rotates clockwise around the hinge axis.
  • the return spring 31 is arranged in the first housing 11, and can be a common compression spring or a torsion spring, one end of which is connected to the first connecting arm 21, and the other end is fixed in the first housing 11.
  • the first connecting arm 21 rotates in the clockwise direction in FIG. 2b and drives one end of the return spring 31 to move, thereby compressing and accumulating force.
  • the return spring 31 will drive the first connecting arm 21 to rotate in the counterclockwise direction in FIG. 2a, thereby closing the door hinge.
  • the door hinge in this embodiment is provided with a first connecting arm 21 in the first housing 11 that can rotate in the opposite direction when opening and closing the door hinge, and a return spring 31 with one end connected to the first connecting arm 21 is provided in the first housing 11.
  • the return spring 31 When the door hinge is opened, the return spring 31 is compressed and stores force. After the door hinge is opened and loses external force, the return spring 31 can drive the first connecting arm 21 to rotate in the direction of closing the door hinge, and finally close the two housings of the door hinge together through the linkage assembly.
  • the door hinge can realize the automatic closing function of the door hinge with a relatively simple structure only by improving the linkage assembly and providing the return spring 31 in one housing, thereby reducing the manufacturing cost of the door hinge.
  • the return spring 31 is provided in the first housing 11, which is not easily noticed by the user and is more suitable for invisible doors.
  • the linkage assembly is provided with four types of connecting arms, as shown in Figures 1 to 2b for details, wherein one end of the first connecting arm 21 is hinged on the side of the first housing 11 away from the opening, and the other end can extend to the opening side of the first housing 11 when rotating, so that it can rotate in the first housing 11 in the opposite direction when opening and closing the door hinge; one end of the second connecting arm 22 is hinged on the side of the second housing 12 close to the opening, and the other end is hinged on the end of the first connecting arm 21 close to the opening of the first housing 11, and can be linked with the first connecting arm 21; one end of the third connecting arm 23 is hinged at The other end of the side of the second housing 12 away from the opening can be extended to the side of the opening of the second housing 12 when rotating, which is similar to the first connecting arm 21.
  • the fourth connecting arm 24 is similar to the second connecting arm 22.
  • One end of the fourth connecting arm 24 is hinged to the side of the first housing 11 close to the opening, and the other end is hinged to the end of the third connecting arm 23 close to the opening of the second housing 12, and can move together with the third connecting arm 23; at the same time, the middle part of the second connecting arm 22 is hinged to the middle part of the fourth connecting arm 24.
  • the first connecting arm 21 provided in the first housing 11 and rotating in the opposite direction when the door hinge is opened and closed is indispensable. Therefore, in other embodiments, the user can also change the structure and number of other connecting arms in the linkage component according to actual needs, and can also realize the opening and closing of the door hinge. For example, reducing the number of connecting arms, so that the opening and closing range of the door hinge is only 0-90°, and then cooperating with the above-mentioned reset spring 31, the automatic closing of the door hinge can also be realized.
  • the second connecting arm 22 and the fourth connecting arm 24 are both bent structures, so that only part of the structure can be exposed after the door hinge is fully opened, and can be in two housings after the door hinge is fully closed, so as to achieve a better "invisible" effect.
  • the connecting arms are hinged together through a pin shaft, one end of the third connecting arm 23 is hinged in the second housing 12 through a pin shaft, and one end of the first connecting arm 21 is hinged in the first housing 11 through a first pin shaft 25.
  • a sleeve 26 is also provided at the position where the connecting arm is connected to the pin shaft. The sleeve 26 is located between the pin shaft and the connecting arm, which can play a role of buffering and lubrication, so that the rotation of each connecting arm is quieter and more stable.
  • an adjustment component that can adjust the elastic force of the return spring 31 is also provided.
  • the door hinge can be applied to invisible doors of different weights. For example, on an invisible door with a heavier weight, the elastic force of the return spring 31 can be increased to drive the heavier door leaf to close.
  • the adjustment component includes an adjustment screw 32 and a sliding block 33.
  • the adjustment screw 32 is rotatably arranged in the first housing 11, the sliding block 33 is threadedly connected to the adjustment screw 32, and the outer side is slidably arranged in the first housing 11, and the other end of the return spring 31 is connected to the sliding block 33.
  • the adjustment screw 32 can only rotate in the first housing 11, when the adjustment screw 32 is rotated, the sliding block 33 will move on it along the length of the adjustment screw 32, and drive the other end of the return spring 31 to move, thereby adjusting the compression degree of the return spring 31, and finally adjusting the elastic force of the return spring 31.
  • the adjustment assembly further includes an adjustment seat 34 fixed in the first housing 11, the adjustment screw 32 is inserted in the center of the adjustment seat 34, and a limiting piece 36 is clamped on the adjustment screw 32, and the limiting piece 36 and the head of one end of the adjustment screw 32 are respectively located at the two ends of the adjustment seat 34, which can form an axial limit for the adjustment screw 32, so that the adjustment screw 32 can only rotate on the adjustment seat 34, and will not move in the axial direction.
  • a support 35 is provided at the middle of the adjustment seat 34 and is located on both sides of the adjustment screw 32.
  • the support 35 is provided with a slide groove 38 parallel to the adjustment screw 32, and the side of the sliding block 33 is provided with a limiting portion 37 slidably assembled in the slide groove 38. Therefore, when the adjustment screw 32 rotates, since the middle of the sliding block 33 is threadedly connected with the adjustment screw 32, the sliding block 33 will slide along the slide groove 38 to adjust the elastic force of the reset spring 31.
  • the return spring 31 is a torsion spring, one end of which is connected to the first connecting arm 21, and the other end is connected to the sliding block 33, so the sliding block 33 can adjust the torsion force of the torsion spring.
  • the elastic force of the torsion spring can also be adjusted by rotating the first connecting arm 21.
  • a first connecting arm 21 is provided at each end of the first housing 11, which can evenly drive the two housings of the door hinge to open and close.
  • a limiting groove 27 is provided on the side of the first connecting arm 21, and accordingly, the reset spring 31 adopts a double torsion spring structure, as shown in Figures 3a and 3b.
  • This double torsion spring structure is equivalent to arranging two torsion springs side by side and connecting a torsion arm of each to form a structure with torsion arms at both ends and torsion arms in the middle as shown in the figure.
  • the torsion arms at both ends are respectively inserted into the limiting grooves 27 on the side of the first connecting arm 21, and the torsion arm in the middle abuts against the sliding block 33.
  • This structure can increase the elastic force of the reset spring 31 and can also make the two first connecting arms 21 move synchronously.
  • the reset spring 31 and the first connecting arm 21 are both sleeved on the first pin 25, which can increase the stability of the reset spring 31 and will not increase the number of parts in the first housing 11.
  • a first base 13 is slidably provided in the first housing 11, and both ends of the first base 13 are bolted to the first housing 11;
  • a second base 14 is slidably provided in the second housing 12, and both ends of the second base 14 are bolted to the second housing 12; both ends of the linkage assembly are hinged to the first base 13 and the second base 14, respectively, and the adjustment assembly is fixed to the first base 13.
  • a buffer assembly is also provided to reduce the speed of the door hinge when closing, so that the door hinge can be closed smoothly at a lower speed.
  • the buffer assembly includes a damper 41, a compression part 42 and a driving part 43.
  • the damper 41 is fixedly arranged on the first machine base 13, including a main body and a piston rod 411 arranged therein.
  • the resistance is related to the moving speed and acceleration of the piston rod 411. The greater the acceleration and speed, the greater the resistance.
  • the compression part 42 is an L-shaped folding plate, which is slidably arranged on the first machine base 13. One end is a pressure plate 421 extending to one side of the damper 41 and abutting against the piston rod 411.
  • a rack 422 is provided on the side of the compression part 42 for connecting with the driving part 43.
  • the sliding connection between the compression part 42 and the first machine base 13 can be achieved in the form of a limit part 37 and a slide groove 38.
  • the driving part 43 is arranged on the first connecting arm 21, and a plurality of teeth that can mesh with the rack 422 are provided on the outer periphery.
  • the tooth engages with the rack 422 and drives the compression part 42 to slide to compress the piston rod 411.
  • the acceleration of the piston rod 411 increases instantaneously, which can provide greater resistance, thereby reducing the rotation speed of the first connecting arm 21, and finally achieving the closing of the door hinge at a lower speed and smoothly.
  • the driving part 43 and the first connecting arm 21 are an integral structure and are also sleeved on the first pin 25. Therefore, during the opening and closing process of the door hinge, the driving part 43 has only the freedom of rotation.
  • the rack 422 of the compression part 42 includes first meshing teeth 61 and second meshing teeth 62 with a length greater than the first meshing teeth 61 arranged at intervals, and an engagement portion 63 is formed between adjacent second meshing teeth 62; the outer periphery of the driving part 43 is provided with first teeth 51 and second teeth 52 with a length greater than the first teeth 51, the first teeth 51 can rotate in the engagement portion and contact with the second meshing teeth 62 on both sides, and the second teeth 52 can engage between the first meshing teeth 61 and the second meshing teeth 62.
  • the rack 422 includes two first meshing teeth 61 and one second meshing tooth 62, and a second tooth 52 and two first teeth 51 are arranged on the periphery of the driving part 43.
  • the first tooth 51 moves within the range of the meshing part 63.
  • the first tooth 51 on the driving part 43 can mesh with the rack 422 in a much larger range. This allows the compression part 42 to be reset without being particularly precise, reduces the risk of the teeth getting stuck when meshing with the rack 422, and improves the reliability of the product.
  • the drive portion 43 may continue to rotate so that the first tooth 51 abuts against the adjacent first meshing tooth 61, and adjust the position of the compression portion 42 so that the second tooth 52 can mesh between the first meshing tooth 61 and the second meshing tooth 62, thereby forming a stable connection between the drive portion 43 and the compression portion 42.
  • the two teeth can be controlled to engage with the rack 422 only when the first connecting arm 21 rotates to a preset angle, which indirectly realizes that the damper 41 will be triggered to provide resistance outward only when the door hinge is closed to a preset angle.
  • the buffer component be triggered to reduce the closing speed of the door, so that it can be closed at a lower speed and smoothly before being completely closed.
  • the size and number of the first teeth 51, the second teeth 52, the first meshing teeth 61, and the second meshing teeth 62 can also be changed according to actual needs. It is only necessary to ensure that the first teeth 51 and the second teeth 52 are spaced apart, the first meshing teeth 61 and the second meshing teeth 62 are spaced apart, and the meshing portion 63 is formed. When the size is smaller and the number is increased, the connection between the drive portion 43 and the compression portion 42 will be more stable.
  • two buffer components are provided, which are respectively arranged at the two ends of the first housing 11, and each is linked to a first connecting arm 21, which can evenly apply resistance to the linkage component and delay the closing speed of the door hinge.
  • a door hinge of the following item is also provided.
  • a door hinge comprising:
  • the first housing and the second housing are both hollow structures with one side opening, and the two openings face each other when the door hinges are closed;
  • a linkage assembly the two ends of which are respectively hinged in the first housing and the second housing, and has a first connecting arm with one end hinged in the first housing, and the first connecting arm rotates in opposite directions when the door hinge is opened or closed;
  • a return spring is arranged in the first housing, and one end of the return spring is connected to the first connecting arm.
  • the first connecting arm rotates and drives the return spring to store force.
  • the return spring drives the first connecting arm to rotate in the direction of closing the door hinge.
  • the first housing is also provided with an adjustment component, and the adjustment component includes:
  • a sliding block is threadedly connected to the adjusting screw and is slidably disposed outside the first housing;
  • the other end of the return spring is connected to the sliding block.
  • the sliding block can move along the length direction of the adjusting screw and drive the other end of the return spring to move to adjust the compression degree of the return spring.
  • the adjustment assembly also includes an adjustment seat fixed in the first housing, the adjustment screw is passed through the center of the adjustment seat, and the adjustment screw is provided with a limiting plate whose side abuts against the adjustment seat, the middle part of the adjustment seat is provided with a support located on both sides of the adjustment screw, the support is provided with a sliding groove parallel to the adjustment screw, and the side of the sliding block is provided with a limiting portion slidably assembled in the sliding groove.
  • the return spring is a torsion spring, one end of which is connected to the first connecting arm, and the other end of which is connected to the sliding block.
  • a first connecting arm is respectively provided at two ends of the first housing, and a limiting groove is provided on a side surface of the first connecting arm;
  • the return spring is a double torsion spring structure, with torsion arms at both ends of the return spring being inserted into the limiting grooves respectively, and the torsion arm in the middle abutting against the sliding block.
  • a first pin is provided in the first housing along the length direction, one end of the first connecting arm is sleeved on the first pin, and the return spring is sleeved on the first pin.
  • the linkage assembly further includes: a second connecting arm, a third connecting arm and a fourth connecting arm, wherein
  • One end of the second connecting arm is hinged to one side of the second housing close to the opening, and the other end is hinged to the other end of the first connecting arm.
  • One end of the third connecting arm is hinged to a side of the second housing away from the opening.
  • One end of the fourth connecting arm is hinged to one side of the first housing close to the opening, the other end is hinged to the other end of the third connecting arm, and the middle part is hinged to the middle part of the second connecting arm.
  • a first base is slidably disposed in the first housing, and a second base is slidably disposed in the second housing;
  • the two ends of the linkage assembly are respectively hinged on the first base and the second base;
  • the adjusting assembly is fixed on the first base.
  • the first base is also provided with a buffer assembly, and the buffer assembly includes:
  • a damper fixed on the first base
  • a compression part is slidably mounted on the first machine base, one end of which is provided with a pressure plate abutting against the piston rod of the damper, and one side of which is provided with a rack;
  • the driving part is arranged on the first connecting arm, and has a plurality of teeth on the outer periphery that can mesh with the rack;
  • the rack includes first meshing teeth arranged at intervals and second meshing teeth having a length greater than that of the first meshing teeth, and a meshing portion is formed between adjacent second meshing teeth;
  • the outer periphery of the driving part is provided with a first tooth and a second tooth whose length is greater than the first tooth.
  • the first tooth can rotate in the meshing part and contact with the second meshing teeth on both adjacent sides.
  • the second tooth can mesh between the first meshing tooth and the second meshing tooth.
  • the door hinge disclosed in the present invention is provided with a first connecting arm in the first housing that can rotate in opposite directions when the door hinge is opened and closed, and a return spring with one end connected to the first connecting arm is provided in the first housing.
  • the return spring When the door hinge is opened, the return spring is compressed and stores force. After the door hinge is opened and loses external force, the return spring can drive the first connecting arm to rotate in the direction of closing the door hinge, and finally close the two housings of the door hinge together through the linkage assembly.
  • the door hinge can realize the automatic closing function of the door hinge with a relatively simple structure only by improving the linkage assembly and providing the return spring in one housing, thereby reducing the manufacturing cost of the door hinge.
  • the return spring is provided in the first housing, which is not easily noticed by the user and is more suitable for invisible doors.
  • the door hinge disclosed in the present invention is also provided with an adjustment component capable of adjusting the elastic force of the return spring, and by adjusting the elastic force of the return spring, the door hinge can be applied to invisible doors of different weights. For example, on an invisible door with a heavier weight, the elastic force of the return spring can be increased to drive the heavier door leaf to close.
  • the door hinge described in the present disclosure is also provided with a buffer component to reduce the speed of the door hinge when closing, so that the door hinge can be closed smoothly at a lower speed.
  • the door hinge disclosed in the present invention solves the problems of a relatively complex structure and high manufacturing cost of a self-closing mechanism in a traditional door hinge, and is suitable for industrial applications.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

一种门合页，包括：第一机壳（11）、第二机壳（12），均为一侧开口的中空结构，在合页闭合时两个开口相向；连动组件，两端分别铰接在所述第一机壳（11）、第二机壳（12）内，具有一端铰接在所述第一机壳（11）内的第一连接臂（21），所述第一连接臂（21）在合页开闭时分别向相反的方向转动；复位弹簧（31），设在所述第一机壳（11）内，一端与所述第一连接臂（21）相连，在合页打开过程中，所述第一连接臂（21）转动并带动所述复位弹簧（31）蓄力，在合页失去将其打开的外力后，所述复位弹簧（31）驱动所述第一连接臂（21）向关闭合页的方向转动。该门合页仅通过改进连动组件以及在一个机壳内设置复位弹簧（31），能够以较为简单的结构实现合页的自动闭合功能，从而降低合页的制作成本。

Description

门合页
本申请要求申请号为202211366067.8，申请日为2022年10月31日，发明创造名称为“隐形门用门合页”的中国专利申请的优先权和权益，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及门用五金设备技术领域，具体的，涉及一种门合页。
背景技术
隐形门是一种不用门框，外面也不装把手的门。关上后不易直接观察出门的形状、大小、样式。由于不设置把手，为了便于关门，通常会在门合页上设置自闭合机构。但是传统的自闭合机构的结构较为复杂，制作成本较高。
发明内容
本公开是为了解决上述技术问题而做出的，其目的是提供一种门合页，该门合页具有结构较为简单的自闭合机构，能够降低制作成本。
为了实现上述目的，本公开的实施例中提供了一种门合页，包括：
第一机壳、第二机壳，均为一侧开口的中空结构，在门合页闭合时两个开口相向；
连动组件，两端分别铰接在所述第一机壳、第二机壳内，具有一端铰接在所述第一机壳内的第一连接臂，所述第一连接臂在门合页开闭时分别向相反的方向转动；
复位弹簧，设在所述第一机壳内，一端与所述第一连接臂相连，在门合页打开过程中，所述第一连接臂转动并带动所述复位弹簧蓄力，在门合页失去将其打开的外力后，所述复位弹簧驱动所述第一连接臂向关闭门合页的方向转动。
根据上面的描述和实践可知，本公开所述的门合页，在第一机壳内设置了能够在开闭门合页时向相反方向转动的第一连接臂，并在第一机壳内设置了一端连接在第一连接臂上的复位弹簧，当打开门合页时该复位弹簧受压蓄力，在门合页打开并失去外力后，该复位弹簧可驱动第一连接臂向关闭门合页的方向转动，最终通过连动组件将门合页的两个机壳闭合在一起。相比于传统的门合页，该门合页仅通过改进连动组件以及在一个机壳内设置复位弹簧，能够以较为简单的结构实现门合页的自动闭合功能，从而降低门合页的制作成本。另外，复位弹簧设在了第一机壳内部，不易被用户所察 觉，更加适配隐形门。
附图说明
通过结合下面附图对其实施例进行描述，本公开的上述特征和技术优点将会变得更加清楚和容易理解。
图1为本公开的一个实施例中涉及的门合页在打开状态时的结构示意图。
图2a和图2b分别为本公开的一个实施例中涉及的门合页在打开和关闭状态时的立体剖面结构示意图。
图3a和图3b为本公开的一个实施例中涉及的第一机壳内的结构在不同视角下的示意图。
图4为本公开的一个实施例中涉及的第一连接臂的结构示意图。
图5为本公开的一个实施例中涉及的压缩部的结构示意图。
图中的附图标记为：
11、第一机壳         12、第二机壳       13、第一机座
14、第二机座         21、第一连接臂     22、第二连接臂
23、第三连接臂       24、第四连接臂     25、第一销轴
26、轴套             27、限位槽         31、复位弹簧
32、调节螺钉         33、滑动块         34、调节座
35、支座             36、限位片         37、限位部
38、滑槽             41、阻尼器         411、活塞杆
42、压缩部           43、驱动部         421、压板
422、齿条            51、第一齿牙       52、第二齿牙
61、第一啮合齿       62、第二啮合齿     63、啮入部
具体实施方式
现在将参考附图更全面地描述示例性实施方式。然而，示例性实施方式能够以多种形式实施，且不应被理解为限于在此阐述的范例；相反，提供这些实施方式使得本公开将更加全面和完整，并将示例性实施方式的构思全面地传达给本领域的技术人员。所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施方式中。
此外，附图仅为本公开的示意性图解，并非一定是按比例绘制。图中相同的附图标记表示相同或类似的部分，因而将省略对它们的重复描述。需要说明的是，本公开中，用语“包括”、“配置有”、“设置于”用以表示开放式的包括在内的意思，并 且是指除了列出的要素/组成部分/等之外还可存在另外的要素/组成部分/等；用语“第一”、“第二”等仅作为标记使用，不是对其对象数量或次序的限制；术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本公开中的具体含义。
在本公开中，单数的表述形式(例如，一种(a，an))也旨在包括复数形式，除非另行特别指明。另外，在本公开中，当使用“一个实施例”、“一些实施例”或类似表述时，既可以指代相同的一个或一些实施例、也可以指代不同的一个实施例或一些实施例，除非另行特别指明。
在该实施例中公开了一种门合页，图1示出了该门合页在打开状态时的结构；图2a示出了该门合页在打开状态时的立体剖面结构；图2b示出了该门合页在关闭状态时的立体剖面结构，其中为了显示较多内部结构，隐去了第一机壳和第二机壳的结构；图3a和图3b示出了该门合页的第一机壳内的各个构件在两个不同视角下的结构及连接关系，其中图3b中为了展示驱动部与压缩部的连接关系，隐去了第一机座的结构；图4示出了第一连接臂的结构；图5示出了压缩部的结构。
请参考图1至图5，该门合页包括第一机壳11、第二机壳12、连动组件和复位弹簧31。其中，第一机壳11和第二机壳12通过连动组件连接在一起，在使用时，两个机壳分别固定在门框和门扇上，实现门扇和门框的连接。第一机壳11和第二机壳12均为一侧开口的中空结构，详见附图1，在该实施例中为长条状的结构，在门合页闭合时两个机壳的开口相向。该实施例中，以第一机壳11安装在门框上、第二机壳12安装在门扇上为例，对门合页中的各个构件及其连接关系进行说明，相应地，下述的复位弹簧31、调节组件和缓冲组件，均设在了门框上的第一机壳11内。当然在其它实施例中，复位弹簧31、调节组件和缓冲组件也可设在第二机壳12内，并安装在门扇上，同样可实现相应的功能。
连动组件由若干连接臂组合而成，其两端分别铰接在第一机壳11和第二机壳12内，以实现打开和关闭门合页的动作。其中的第一连接臂21的一端铰接在第一机壳 11内，在门合页打开或者关闭时，第一连接臂21绕该铰接轴分别做相反方向的转动。例如在图2a和图2b中，门合页在从打开到关闭时，第一连接臂21绕该铰接轴做逆时针转动，从接近垂直于第一机壳11的底面逐渐到侧面贴靠在第一机壳11的底面上；反之，门合页在关闭从到打开时，第一连接臂21绕该铰接轴做顺时针转动。
复位弹簧31设在第一机壳11内，可以是普通压缩弹簧或者扭簧，其一端与第一连接臂21相连，另一端固定在第一机壳11内。在门合页打开过程中，第一连接臂21沿图2b中顺时针方向转动并带动该复位弹簧31的一端移动，进而使其受压蓄力，在门合页失去将其打开的外力后，该复位弹簧31会驱动第一连接臂21向图2a中逆时针方向转动，进而关闭门合页。
该实施例中的门合页通过在第一机壳11内设置了能够在开闭门合页时向相反方向转动的第一连接臂21，并在第一机壳11内设置了一端连接在第一连接臂21上的复位弹簧31，当打开门合页时该复位弹簧31受压蓄力，在门合页打开并失去外力后，该复位弹簧31可驱动第一连接臂21向关闭门合页的方向转动，最终通过连动组件将门合页的两个机壳闭合在一起。相比于传统的门合页，该门合页仅通过改进连动组件以及在一个机壳内设置复位弹簧31，能够以较为简单的结构实现门合页的自动闭合功能，从而降低门合页的制作成本。另外，复位弹簧31设在了第一机壳11内，不易被用户所察觉，更加适配隐形门。
在该实施例中，连动组件共设置了四种连接臂，详见图1至图2b，其中，第一连接臂21的一端铰接在第一机壳11的远离开口的一侧，另一端在转动时可延伸至第一机壳11的开口一侧，便于其在开闭门合页时能够在第一机壳11内按照相反的方向转动；第二连接臂22的一端铰接在第二机壳12的靠近开口的一侧，另一端铰接在第一连接臂21的靠近第一机壳11的开口的一端，能够随第一连接臂21一同连动；第三连接臂23的一端铰接在第二机壳12的远离开口的一侧，另一端在转动时可延伸至第二机壳12的开口一侧，其与第一连接臂21类似，在开闭门合页时，能够在第二机壳12内按照相反的方向转动；第四连接臂24与第二连接臂22的设置类似，第四连接臂24的一端铰接在第一机壳11的靠近开口的一侧，另一端铰接在第三连接臂23的靠近第二机壳12的开口的一端，能够随第三连接臂23一同连动；同时第二连接臂22的中部与第四连接臂24的中部铰接在一起。该种结构可以实现门合页的180°的开合。
需要说明的是，在现有技术中，存在多种可以实现连接门合页的两个机壳的连动组件，本申请中所必不可少的是设在第一机壳11内的、在开闭门合页时按照相反的方向转动的第一连接臂21，因此，在其它实施例中，用户也可依据实际需求变更连动组件中其它连接臂的结构、数量，同样能够实现开闭门合页。例如减少连接臂的数量， 使门合页的开合范围仅在0-90°，再配合上述复位弹簧31，同样能够实现门合页的自动闭合。
进一步的，在该实施例中，第二连接臂22和第四连接臂24均为弯折状的结构，能够在门合页完全打开后仅部分结构外露、同时在门合页完全关闭后能够处于两个机壳内，实现较佳的“隐形”效果。各个连接臂之间通过销轴铰接在一起，第三连接臂23的一端通过销轴铰接在第二机壳12内，第一连接臂21的一端通过第一销轴25铰接在第一机壳11内。为了使各个连接臂转动得更加稳定，在连接臂与销轴连接的位置还设置了轴套26，轴套26处于销轴与连接臂之间，可以到缓冲、润滑的作用，使各个连接臂的转动更加安静、稳定。
此外，在该实施例中，还设置了可以调节复位弹簧31弹力大小的调节组件，通过调节复位弹簧31的弹力大小，使得该门合页能够适用于不同重量的隐形门。例如在重量较大的隐形门上，可以增大复位弹簧31的弹力，以带动较重的门扇关闭。具体地说，该调节组件包括调节螺钉32和滑动块33，调节螺钉32转动设在第一机壳11内，滑动块33螺纹连接在调节螺钉32上，并且外侧滑动设在第一机壳11内，复位弹簧31的另一端连接在该滑动块33上。由于调节螺钉32仅可在第一机壳11内转动，因此，在转动调节螺钉32时，滑动块33会在其上沿调节螺钉32的长度方移动，并带动复位弹簧31的另一端移动，进而调整复位弹簧31的压缩程度，最终实现调整复位弹簧31的弹力。
进一步地，在该实施例中，调节组件还包括固定在第一机壳11内的调节座34，调节螺钉32穿设在调节座34的中心，且调节螺钉32上卡设有侧面抵接在调节座34上的限位片36，限位片36和调节螺钉32一端的头部分别位于调节座34的两端，能够对调节螺钉32形成沿轴向的限位，使调节螺钉32仅可在调节座34上转动，不会出现沿轴向的移动。另外，在调节座34的中部设有位于调节螺钉32两侧的支座35，支座35上设有平行于调节螺钉32的滑槽38，滑动块33的侧面设有滑动装配在滑槽38内的限位部37，因此，在调节螺钉32转动时，由于滑动块33中部与调节螺钉32螺纹连接，因此滑动块33会沿着滑槽38滑动，实现调整复位弹簧31的弹力。
在该实施例中，复位弹簧31为扭簧，其一端扭簧连接在第一连接臂21上，另一端扭臂连接在滑动块33上，因此一端滑动块33，可以调整该扭簧扭力的大小。另外转动第一连接臂21，也可以调整该扭簧弹力的大小。
具体地说，在该实施例中，在第一机壳11内的两端各设有一个第一连接臂21，能够均匀地带动门合页的两个机壳开闭。同时，在第一连接臂21的侧面设有限位槽27，相应地，复位弹簧31采用了双扭簧结构，详见图3a和图3b，该种双扭簧结构可 等同于将两个扭簧并排设置，并将各自一个扭臂连接在一起，形成了图中所示的两端具有扭臂、中间具有扭臂的结构。其中，两端的扭臂分别插设在第一连接臂21侧面的限位槽27内，中间的扭臂抵接在滑动块33上。该种结构能够增加复位弹簧31的弹力，还能使两个第一连接臂21同步运动。另外，在该实施例中，复位弹簧31与第一连接臂21均套设在了第一销轴25上，既可以增加复位弹簧31的稳定性，还不会增加第一机壳11内的零件数量。
此外，在该实施例中，在第一机壳11内滑动设有第一机座13，第一机座13的两端螺栓连接在第一机壳11上；在第二机壳12内滑动设有第二机座14，第二机座14的两端螺栓连接在第二机壳12上；连动组件的两端分别铰接在第一机座13、第二机座14上，调节组件则固定在第一机座13上。通过设置第一机座13和第二机座14，可以在机壳外安装好连动组件、复位弹簧31和调节组件后，整体滑动装配在机壳内，再进行固定，避免在机壳狭小的空间内安装零件，可提高装配效率。
由于在门合页打开后，复位弹簧31持续向第一连接臂21施加作用力，因此在门合页关闭的过程中容易速度较快，导致门扇关闭的声音较大，且容易出现夹人的意外情况。故而在该实施例中，还设置了缓冲组件，用来降低门合页关闭时的速度，使得门合页能够以较低的速度平稳地关闭。
具体地说，缓冲组件包括阻尼器41、压缩部42和驱动部43。其中阻尼器41固定设在第一机座13上，包括主体及设在其内的活塞杆411，当活塞杆411受力时，能够对外提供一定的阻力，该阻力与活塞杆411的移动速度和加速度相关，加速度和速度越大阻力越大。压缩部42为一L形的折板，其滑动设在第一机座13上，一端为向阻尼器41一侧延伸且抵接在活塞杆411上的压板421，压缩部42的侧面设有齿条422，用于与驱动部43连接。压缩部42与第一机座13的滑动连接可以通过限位部37和滑槽38的形式实现。驱动部43设在第一连接臂21上，外周设有若干可与齿条422相啮合的齿牙。当门合页在关闭过程中达到预设角度时，该齿牙啮合在齿条422上，并带动压缩部42滑动以压缩活塞杆411，此时，活塞杆411的加速度瞬时增大，能够提供较大的阻力，从而降低第一连接臂21的转动速度，最终以较低的速度且平稳地实现门合页闭合。
在该实施例中，驱动部43与第一连接臂21为一体式结构，同样套设在第一销轴25上，因此在门合页开闭过程中，驱动部43仅有转动的自由度。压缩部42的齿条422包括间隔设置的第一啮合齿61和长度大于第一啮合齿61的第二啮合齿62，并在相邻的第二啮合齿62的之间形成啮入部63；驱动部43的外周设有第一齿牙51和长度大于第一齿牙51的第二齿牙52，第一齿牙51可在啮入部内转动并与相邻两侧的第 二啮合齿62接触，第二齿牙52可啮入第一啮合齿61与第二啮合齿62之间。
详见图3a至图5，在该实施例中，齿条422包含了两个第一啮合齿61和一个第二啮合齿62，驱动部43外周设置了一个第二齿牙52和两个第一齿牙51。其中，当驱动部43与压缩部42连接时，第一齿牙51在啮入部63范围内活动，相比于未设置该啮入部63的齿条422的结构，驱动部43上的第一齿牙51在与齿条422配合时，可啮入的范围大大增加。能够允许压缩部42的复位不需要特别精准，降低了齿牙啮入齿条422时卡死的风险，提高了产品的可靠性。例如，未设置该啮入部时，若驱动部43与压缩部42接触时，第一齿牙51抵接在了第二啮合齿62的端面上，容易卡死驱动部43；而设置了该啮入部63后，对于该种情况，驱动部43则可继续转动，使第一齿牙51抵接在相邻的第一啮合齿61上，并调整压缩部42的位置，使第二齿牙52能够啮入第一啮合齿61和第二啮合齿62之间，形成驱动部43与压缩部42的稳定连接。
通过调整第一齿牙51、第二齿牙52在驱动部43外周的位置，可以控制该两个齿牙在第一连接臂21转动预设角度处才可与齿条422啮合，间接实现门合页在闭合至预设角度时，才会触发阻尼器41向外提供阻力。应用在隐形门上，只有当门扇关闭至预设角度时，才会触动缓冲组件来降低关门的速度，使其在完全关闭前能够以较小的速度、平稳地关闭。上述提供了调整该预设角度的方法，厂家可依据实际需求，自行设定该角度。
另外，在其它实施例中，也可依据实际需求变更第一齿牙51、第二齿牙52、第一啮合齿61、第二啮合齿62的大小和数量，仅需确保第一齿牙51与第二齿牙52间隔设置、第一啮合齿61与第二啮合齿62间隔设置、并形成啮入部63即可，在尺寸较小、数量增加时，驱动部43和压缩部42的连接会更加稳定。
此外，在该实施例中，缓冲组件共设置了两个，分别设在了第一机壳11内的两端，各自与一个第一连接臂21连动，能够对连动组件均匀地施加阻力，延缓门合页关闭的速度。
根据本公开的一些实施例，还提供如下项目的门合页。
(1)一种门合页，包括：
第一机壳、第二机壳，均为一侧开口的中空结构，在门合页闭合时两个开口相向；
连动组件，两端分别铰接在所述第一机壳、第二机壳内，具有一端铰接在所述第一机壳内的第一连接臂，所述第一连接臂在门合页开闭时分别向相反的方向转动；
复位弹簧，设在所述第一机壳内，一端与所述第一连接臂相连，在门合页打开过程中，所述第一连接臂转动并带动所述复位弹簧蓄力，在门合页失去将其打开的外力 后，所述复位弹簧驱动所述第一连接臂向关闭门合页的方向转动。
(2)如(1)所述的门合页，其中
所述第一机壳内还设有调节组件，所述调节组件包括：
调节螺钉，转动设在所述第一机壳内；
滑动块，螺纹连接在所述调节螺钉上，外侧滑动设在所述第一机壳内；其中
所述复位弹簧的另一端连接在所述滑动块上，在所述调节螺钉转动时，所述滑动块可沿调节螺钉的长度方向移动，并带动所述复位弹簧的另一端移动，以调节复位弹簧的受压程度。
(3)如(2)所述的门合页，其中，
所述调节组件还包括固定在所述第一机壳内的调节座，所述调节螺钉穿设在所述调节座的中心，且所述调节螺钉上卡设有侧面抵接在所述调节座上的限位片，所述调节座的中部设有位于所述调节螺钉两侧的支座，所述支座上设有平行于所述调节螺钉的滑槽，所述滑动块的侧面设有滑动装配在所述滑槽内的限位部。
(4)如(2)所述的门合页，其中，
所述复位弹簧为扭簧，其一端扭臂与所述第一连接臂相连，另一端扭臂与所述滑动块相连。
(5)如(2)所述的门合页，其中，
所述第一机壳内的两端各设有一个所述第一连接臂，所述第一连接臂的侧面设有限位槽；
所述复位弹簧为双扭簧结构，其两端的扭臂分别插设在所述限位槽内，中部的扭臂抵接在所述滑动块上。
(6)如(5)所述的门合页，其中，
所述第一机壳内沿长向设置有第一销轴，所述第一连接臂的一端套设在所述第一销轴上，所述复位弹簧套设在所述第一销轴上。
(7)如(1)至(6)中任一项所述的门合页，其中，
所述连动组件还包括：第二连接臂、第三连接臂和第四连接臂，其中
所述第二连接臂的一端铰接在所述第二机壳的靠近开口的一侧、另一端铰接在所述第一连接臂的另一端，
所述第三连接臂的一端铰接在所述第二机壳的远离开口的一侧，
所述第四连接臂的一端铰接在所述第一机壳的靠近开口的一侧、另一端铰接在所述第三连接臂的另一端、中部与所述第二连接臂的中部铰接。
(8)如(2)至(6)中任一项所述的门合页，其中，
所述第一机壳内滑动设有第一机座，所述第二机壳内滑动设有第二机座；
所述连动组件的两端分别铰接在所述第一机座、第二机座上；
所述调节组件固定在所述第一机座上。
(9)如(8)所述的门合页，其中，
所述第一机座上还设有缓冲组件，所述缓冲组件包括：
阻尼器，固定在所述第一机座上；
压缩部，滑动设在所述第一机座上，一端设有抵接在所述阻尼器的活塞杆上的压板，一侧设有齿条；
驱动部，设在所述第一连接臂上，外周设有若干可与所述齿条相啮合的齿牙；其中
当门合页在关闭过程中达到预设角度时，所述齿牙啮合在所述齿条上，并带动所述压缩部滑动以压缩所述活塞杆。
(10)如(9)所述的门合页，其中，
所述齿条包括间隔设置的第一啮合齿和长度大于第一啮合齿的第二啮合齿，并在相邻的第二啮合齿的之间形成啮入部；
所述驱动部的外周设有第一齿牙和长度大于第一齿牙的第二齿牙，所述第一齿牙可在所述啮入部内转动并与相邻两侧的第二啮合齿接触，所述第二齿牙可啮入第一啮合齿与第二啮合齿之间。
根据本公开的一些实施例，可以实现如下全部或部分优点：
本公开所述的门合页，通过在第一机壳内设置了能够在开闭门合页时向相反方向转动的第一连接臂，并在第一机壳内设置了一端连接在第一连接臂上的复位弹簧，当打开门合页时该复位弹簧受压蓄力，在门合页打开并失去外力后，该复位弹簧可驱动第一连接臂向关闭门合页的方向转动，最终通过连动组件将门合页的两个机壳闭合在一起。相比于传统的门合页，该门合页仅通过改进连动组件以及在一个机壳内设置复位弹簧，能够以较为简单的结构实现门合页的自动闭合功能，从而降低门合页的制作成本。另外，复位弹簧设在了第一机壳内，不易被用户所察觉，更加适配隐形门。
另外，本公开所述的门合页还设置了可以调节复位弹簧弹力大小的调节组件，通过调节复位弹簧的弹力大小，使得该门合页能够适用于不同重量的隐形门。例如在重量较大的隐形门上，可以增大复位弹簧的弹力，以带动较重的门扇关闭。
此外，本公开所述的门合页还设置了缓冲组件，用来降低门合页关闭时的速度，使得门合页能够以较低的速度平稳地关闭。
对于本领域技术人员而言，显然本公开不限于上述示范性实施例的细节，而且在 不背离本公开的精神或基本特征的情况下，能够以其它的具体形式实现本公开。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本公开的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本公开内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
工业应用性
本公开的门合页解决了传统的门合页中自闭合机构的结构较为复杂，制作成本较高的问题，适于工业应用。

Claims (10)

  1. 一种门合页，其特征在于，包括：
    第一机壳、第二机壳，均为一侧开口的中空结构，在门合页闭合时两个开口相向；
    连动组件，两端分别铰接在所述第一机壳、第二机壳内，具有一端铰接在所述第一机壳内的第一连接臂，所述第一连接臂在门合页开闭时分别向相反的方向转动；
    复位弹簧，设在所述第一机壳内，一端与所述第一连接臂相连，在门合页打开过程中，所述第一连接臂转动并带动所述复位弹簧蓄力，在门合页失去将其打开的外力后，所述复位弹簧驱动所述第一连接臂向关闭门合页的方向转动。
  2. 如权利要求1所述的门合页，其特征在于，
    所述第一机壳内还设有调节组件，所述调节组件包括：
    调节螺钉，转动设在所述第一机壳内；
    滑动块，螺纹连接在所述调节螺钉上，外侧滑动设在所述第一机壳内；其中
    所述复位弹簧的另一端连接在所述滑动块上，在所述调节螺钉转动时，所述滑动块可沿调节螺钉的长度方向移动，并带动所述复位弹簧的另一端移动，以调节复位弹簧的受压程度。
  3. 如权利要求2所述的门合页，其特征在于，
    所述调节组件还包括固定在所述第一机壳内的调节座，所述调节螺钉穿设在所述调节座的中心，且所述调节螺钉上卡设有侧面抵接在所述调节座上的限位片，所述调节座的中部设有位于所述调节螺钉两侧的支座，所述支座上设有平行于所述调节螺钉的滑槽，所述滑动块的侧面设有滑动装配在所述滑槽内的限位部。
  4. 如权利要求2所述的门合页，其特征在于，
    所述复位弹簧为扭簧，其一端扭臂与所述第一连接臂相连，另一端扭臂与所述滑动块相连。
  5. 如权利要求2所述的门合页，其特征在于，
    所述第一机壳内的两端各设有一个所述第一连接臂，所述第一连接臂的侧面设有限位槽；
    所述复位弹簧为双扭簧结构，其两端的扭臂分别插设在所述限位槽内，中部的扭臂抵接在所述滑动块上。
  6. 如权利要求5所述的门合页，其特征在于，
    所述第一机壳内沿长向设置有第一销轴，所述第一连接臂的一端套设在所述第一销轴上，所述复位弹簧套设在所述第一销轴上。
  7. 如权利要求1至6中任一项所述的门合页，其特征在于，
    所述连动组件还包括：第二连接臂、第三连接臂和第四连接臂，其中
    所述第二连接臂的一端铰接在所述第二机壳的靠近开口的一侧、另一端铰接在所述第一连接臂的另一端，
    所述第三连接臂的一端铰接在所述第二机壳的远离开口的一侧，
    所述第四连接臂的一端铰接在所述第一机壳的靠近开口的一侧、另一端铰接在所述第三连接臂的另一端、中部与所述第二连接臂的中部铰接。
  8. 如权利要求2至6中任一项所述的门合页，其特征在于，
    所述第一机壳内滑动设有第一机座，所述第二机壳内滑动设有第二机座；
    所述连动组件的两端分别铰接在所述第一机座、第二机座上；
    所述调节组件固定在所述第一机座上。
  9. 如权利要求8所述的门合页，其特征在于，
    所述第一机座上还设有缓冲组件，所述缓冲组件包括：
    阻尼器，固定在所述第一机座上；
    压缩部，滑动设在所述第一机座上，一端设有抵接在所述阻尼器的活塞杆上的压板，一侧设有齿条；
    驱动部，设在所述第一连接臂上，外周设有若干可与所述齿条相啮合的齿牙；其中
    当门合页在关闭过程中达到预设角度时，所述齿牙啮合在所述齿条上，并带动所述压缩部滑动以压缩所述活塞杆。
  10. 如权利要求9所述的门合页，其特征在于，
    所述齿条包括间隔设置的第一啮合齿和长度大于第一啮合齿的第二啮合齿，并在相邻的第二啮合齿的之间形成啮入部；
    所述驱动部的外周设有第一齿牙和长度大于第一齿牙的第二齿牙，所述第一齿牙可在所述啮入部内转动并与相邻两侧的第二啮合齿接触，所述第二齿牙可啮入第一啮合齿与第二啮合齿之间。
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