Magnetic damping buffer

Abstract

The magnetic damping buffer comprises a magnetic attraction structure and a buffer assembly, the magnetic attraction structure comprises a first magnetic attraction piece and a second magnetic attraction piece which can be matched in a magnetic attraction mode, one of the first magnetic attraction piece and the second magnetic attraction piece is arranged on a door body, and the other one of the first magnetic attraction piece and the second magnetic attraction piece is arranged on a door frame. The buffering assembly comprises a damping cylinder arranged on the door body or the door frame, a piston rod of the damping cylinder is provided with an abutting piece, when the door body is close to the edge, the abutting piece is triggered, the damping cylinder generates resistance to movement of the door body, meanwhile, the first magnetic attraction piece and the second magnetic attraction piece are attracted mutually to pull the door body to be close to the edge, and the door body is closed. The magnetic attraction structure is stable, reliable, not prone to attenuation and long in service life, and when the door leaves the stop position, starting resistance is small, and using is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile door buffer device field, especially in a kind of magnetic resistance damper. BACKGROUND

[0002] Mobile door buffer, it is generally arranged between mobile door and door frame, for the mobile speed of mobile door when moving to limit position, avoid mobile door to hit door frame violently, thereby reduce noise, reduce the deformation of mobile door and door frame.

[0003] Current mobile door buffer, such as the Chinese utility model patent with application No. "CN201922442444.1", the name "a sliding door buffer", generally includes damping cylinder and tension spring, damping cylinder is equipped with trigger component, mobile door or door frame is correspondingly provided with trigger structure, damping cylinder is damping oil cylinder or damping air cylinder, mobile door is close to edge (such as when closing), the trigger component connected with damping cylinder is triggered by trigger structure, makes damping cylinder provide resistance to the movement of mobile door, slow down the moving speed when mobile door is close to edge, and tension spring is to pull mobile door and move to edge, the greater the resistance of damping cylinder, the greater the corresponding tension spring force, otherwise tension spring cannot pull mobile door and move to edge, but due to the existence of tension spring, mobile door reversely leaves edge (such as when opening), user needs to exert greater force to overcome the tension of tension spring (i.e. the starting force of mobile door is larger), use is extremely inconvenient, especially for the use of children, women, the elderly and other groups, and the performance of tension spring is more obvious after long-term use, and it is more troublesome to replace. UTILITY MODEL CONTENT

[0004] The utility model aims at at least one of the technical problems existing in prior art. To this end, the utility model provides a magnetic resistance damper.

[0005] According to the magnetic resistance damper of the first aspect embodiment of the utility model, including: magnetic attraction structure, buffer assembly, the magnetic attraction structure includes the first magnetic attraction piece and the second magnetic attraction piece that can be magnetically attracted, one of the first magnetic attraction piece and the second magnetic attraction piece is arranged on the door body, and the other is arranged on the door frame, the buffer assembly includes damping cylinder arranged on the door body or the door frame, and the piston rod of the damping cylinder is provided with an abutting piece.

[0006] According to the magnetic resistance damper of the utility model embodiment, at least has following beneficial effect: when door body is close to edge, abutting piece is triggered, damping cylinder generates resistance to the movement of door body, while first magnetic attraction piece and second magnetic attraction piece are mutually magnetically attracted and pull door body close to edge, to meet the buffer function of door body close to edge, magnetic attraction structure is stable and reliable, not easy to attenuate, and service life is long.

[0007] According to some embodiments of the present application, at least one of the first magnetic attraction member and the second magnetic attraction member is a long member, and the first magnetic attraction member and the second magnetic attraction member can move relative to each other in parallel or be inserted into each other.

[0008] According to some embodiments of the present application, one of the first magnetic attraction member and the second magnetic attraction member is provided with an insertion hole, and the other is provided with an insertion structure capable of being inserted into the insertion hole.

[0009] According to some embodiments of the present application, the magnetic damping buffer further comprises a buffer mounting base body, and the first magnetic attraction member and the damping cylinder are arranged on the buffer mounting base body and arranged on the door body or the door frame through the buffer mounting base body.

[0010] According to some embodiments of the present application, the first magnetic attraction member is a long column structure, the second magnetic attraction member is provided with the insertion hole corresponding to the first magnetic attraction member, one end of the first magnetic attraction member is fixedly installed to the buffer mounting base body, and the other end of the first magnetic attraction member is provided corresponding to the insertion hole.

[0011] According to some embodiments of the present application, the end of the first magnetic attraction member corresponding to the insertion hole is a sharp structure.

[0012] According to some embodiments of the present application, the first magnetic attraction member can be detachably installed to the buffer mounting base body.

[0013] According to some embodiments of the present application, the mounting end of the first magnetic attraction member is provided with a buffer pad corresponding to the outer edge of the insertion hole.

[0014] According to some embodiments of the present application, the buffer mounting base body is arranged on the door body, and the buffer mounting base body is provided with a roller.

[0015] According to some embodiments of the present application, the buffer mounting base body comprises a first base for mounting the first magnetic attraction member and a second base for mounting the damping cylinder, and the first base and the second base are detachably connected.

[0016] According to some embodiments of the present application, the first base and the second base are connected through an insertion structure

[0017] According to some embodiments of the present application, the first base is provided with an insertion slot, and the second base is provided with an insertion part capable of being inserted into the insertion slot.

[0018] According to some embodiments of the present application, the second base comprises a first assembly, a second assembly and a third assembly, the first assembly and the second assembly can be assembled and form a cavity for mounting the damping cylinder, the end of the second assembly and the third assembly can be assembled and form a wheel seat for mounting the roller, and the plug-in parts are respectively arranged at the end of the second assembly and the third assembly.

[0019] According to some embodiments of the present application, the plug-in stroke of the first magnetic attraction part and the second magnetic attraction part is less than or equal to the moving stroke of the abutting part.

[0020] According to some embodiments of the present application, the magnetic damping buffer further comprises a mounting seat, the mounting seat is mounted on the door frame, the second magnetic attraction part is mounted on the mounting seat, and the mounting seat is provided with an abutting structure corresponding to the abutting part.

[0021] According to some embodiments of the present application, the mounting seat comprises a base part and a mounting part arranged on the base part, the base part is mounted on the door frame, one end of the base part protrudes to form the abutting structure with the inner wall of the door frame, and the second magnetic attraction part is mounted on the mounting part.

[0022] According to some embodiments of the present application, the second magnetic attraction part is a circular tube structure, and the mounting part is provided with a mounting groove capable of inserting the second magnetic attraction part.

[0023] According to some embodiments of the present application, the base part is mounted on the door frame through a plug-in structure. BRIEF DESCRIPTION OF DRAWINGS

[0024] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0025] Figure 1 It is a structural schematic diagram for the magnetic damping buffer of the embodiments of the present application in application;

[0026] Figure 2 It is an exploded schematic diagram for the magnetic damping buffer of the embodiments of the present application in application;

[0027] Figure 3 It is an internal structure schematic diagram when the magnetic damping buffer of the embodiments of the present application is triggered;

[0028] Figure 4 It is a structural schematic diagram of the magnetic damping buffer of the embodiments of the present application;

[0029] Figure 5 It is an exploded schematic diagram of the magnetic damping buffer of the embodiments of the present application.

[0030] Reference signs:

[0031] The first magnetic attraction piece 100, the first base 110, the plug-in slot 111, the second base 120, the first combination 121, the second combination 122, the third combination 123, the plug-in part 124, the guide slot 125, the damping cylinder 130, the piston rod 131, the abutting piece 132, the guide part 133, the roller 190;

[0032] The second magnetic attraction piece 200, the insertion hole 201;

[0033] The mounting seat 300, the abutting structure 301, the base part 310, the mounting part 320, the mounting slot 321;

[0034] The buffer mounting base body 800, the door frame 900. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0036] In the description of the present application, it should be understood that, if there is a description of orientation, for example, the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0037] In the description of the present application, if there is a description of first, second, only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0038] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0039] The following refers to Figures 1 to 5 The magnetic resistance buffer according to the embodiments of the present application is described.

[0040] As Figures 1 to 5As shown, the magnetic damping buffer according to the embodiment of the utility model is arranged between the door body and the door frame 900, which comprises a magnetic attraction structure and a buffer assembly, the magnetic attraction structure comprises a first magnetic attraction piece 100 and a second magnetic attraction piece 200 capable of magnetic attraction cooperation, one of the first magnetic attraction piece 100 and the second magnetic attraction piece 200 is arranged on the door body, and the other is arranged on the door frame 900, the buffer assembly comprises a damping cylinder 130 arranged on the door body or the door frame 900, and a piston rod 131 of the damping cylinder 130 is provided with an abutting piece 132.

[0041] When the door body approaches the edge, the abutting piece 132 is triggered, the damping cylinder 130 generates resistance to the movement of the door body, and meanwhile the first magnetic attraction piece 100 and the second magnetic attraction piece 200 pull the door body to approach the edge by magnetic attraction, so that the buffer function of the door body approaching the edge is met, the magnetic attraction structure is stable and reliable, is not easy to attenuate, and has long service life.

[0042] And, when the door body leaves the stop position, the starting resistance is also small, and the use is more convenient.

[0043] In some embodiments of the utility model, at least one of the first magnetic attraction piece 100 and the second magnetic attraction piece 200 is a long member, the first magnetic attraction piece 100 and the second magnetic attraction piece 200 can relatively parallelly move or mutually insert, so that the relative movement of the first magnetic attraction piece 100 and the second magnetic attraction piece 200 is stably kept by mutual adsorption change value, so that the movement of the door body is more stable, and the door body can be stably kept at the limit position (the edge position such as closing or opening the door).

[0044] Specifically, when the door body moves to the edge, the first magnetic attraction piece 100 and the second magnetic attraction piece 200 approach each other, the magnetic attraction force overcomes the resistance of the damping cylinder 130, and drives the door body to slowly approach the edge position, when the door body reaches the set position, the first magnetic attraction piece 100 and the second magnetic attraction piece 200 are nested (inserted) or overlapped (when parallel), and the position of the door body is stably kept by the adsorption force of the first magnetic attraction piece 100 and the second magnetic attraction piece 200.

[0045] In some embodiments of the utility model, one of the first magnetic attraction piece 100 and the second magnetic attraction piece 200 is provided with an insertion hole 201, and the other is provided with an insertion structure capable of being inserted into the insertion hole 201, forming an insertion type magnetic attraction structure, and the magnetic attraction effect is better.

[0046] Specifically, as shown in the drawings, Figure 2 、 Figure 3 The first magnetic attraction piece 100 is arranged as a long column structure, the second magnetic attraction piece 200 is provided with the insertion hole 201 corresponding to the first magnetic attraction piece 100, so as to form an insertion type magnetic attraction structure.

[0047] In some embodiments of the utility model, first magnetic attraction piece 100 is magnetic bar, whole is magnet, second magnetic attraction piece 200 is made of magnetic material such as iron, cobalt, nickel etc., when first magnetic attraction piece 100 is inserted into the insertion hole 201 of second magnetic attraction piece 200, first magnetic attraction piece 100 is attracted into the insertion hole 201 of second magnetic attraction piece 200 due to the action of magnetic attraction force, until to limit position or first magnetic attraction piece 100 and insertion hole 201 magnetic force balance position.

[0048] In some embodiments of the utility model, the insertion stroke of first magnetic attraction piece 100 and second magnetic attraction piece 200 is less than or equal to the moving stroke of abutting piece 132, so that the whole acting stroke of magnetic attraction structure of damping cylinder 130 can generate magnetic pull force, guaranteeing that the door body moves normally to the set position.

[0049] As Figure 4 、 Figure 5 Indicated, in some embodiments of the utility model, the magnetic damping buffer further includes buffer installation base body 800, first magnetic attraction piece 100 and damping cylinder 130 are arranged at buffer installation base body 800 and are arranged at door body or door frame 900 through buffer installation base body 800, namely first magnetic attraction piece 100 and damping cylinder 130 are integratedly installed on buffer installation base body 800, which facilitates the installation and application of magnetic damping buffer.

[0050] It can be understood that, in some embodiments of the utility model, first magnetic attraction piece 100 and damping cylinder 130 can also be independently installed to door body or door frame 900, which can also meet the use requirements of the buffer.

[0051] As Figures 2 to 5 Indicated, in some embodiments of the utility model, first magnetic attraction piece 100 is long column type structure, second magnetic attraction piece 200 is provided with insertion hole 201 corresponding to first magnetic attraction piece 100, one end of first magnetic attraction piece 100 is fixedly installed to buffer installation base body 800, the other end of first magnetic attraction piece 100 is correspondingly arranged with insertion hole 201, forming insertion type magnetic attraction structure.

[0052] In some embodiments of the utility model, first magnetic attraction piece 100 is magnetic bar, whole is magnet, second magnetic attraction piece 200 is made of magnetic material such as iron, cobalt, nickel etc., when first magnetic attraction piece 100 is inserted into the insertion hole 201 of second magnetic attraction piece 200, first magnetic attraction piece 100 is attracted into the insertion hole 201 of second magnetic attraction piece 200 due to the action of magnetic attraction force, until to limit position or first magnetic attraction piece 100 and insertion hole 201 magnetic force balance position.

[0053] As Figure 4 、 Figure 5As shown in some embodiments of the utility model, the first magnetic member 100 has a pointed structure at the end corresponding to the insertion hole 201, so as to facilitate the insertion of the first magnetic member 100 into the insertion hole 201.

[0054] In some embodiments of the utility model, the mounting end of the first magnetic member 100 is provided with a buffer pad corresponding to the outer edge of the insertion hole 201. When the buffer pad abuts against the outer edge of the insertion hole 201, the door body moves to the set stop position. The buffer pad plays a secondary buffering role, thereby reducing the impact on the buffer mounting base 800.

[0055] In some embodiments of the utility model, the depth of the insertion hole 201 of the second magnetic member 200 corresponds to the length of the first magnetic member 100 except the mounting end. The first magnetic member 100 is inserted into the insertion hole 201. The outer extension segment of the long column-shaped first magnetic member 100 can be completely inserted into the insertion hole 201 of the second magnetic member 200, thereby achieving a better magnetic attraction effect and keeping the door body stable at the set stop position.

[0056] In some embodiments of the utility model, the first magnetic member 100 is detachably mounted to the buffer mounting base 800, so as to facilitate the replacement of the first magnetic member 100.

[0057] As shown in some embodiments of the utility model, the end of the first magnetic member 100 is mounted to one end of the buffer mounting base 800. The end of the buffer mounting base 800 is provided with a U-shaped avoiding opening, so as to facilitate the installation of the first magnetic member 100. Figure 4 Figure 5 As shown in some embodiments of the utility model, the end of the first magnetic member 100 is mounted to one end of the buffer mounting base 800. The end of the buffer mounting base 800 is provided with a U-shaped avoiding opening, so as to facilitate the installation of the first magnetic member 100.

[0058] Specifically, one end of the first magnetic member 100 is provided with a threaded part or a latch part. One end of the buffer mounting base 800 is provided with a mounting hole corresponding to the threaded part or the latch part, thereby meeting the installation requirements of the first magnetic member 100.

[0059] It can be understood that, in some embodiments of the utility model, the end of the first magnetic member 100 can be provided with a threaded column through assembly. The threaded column is made of hard materials such as steel and aluminum alloy, so as to ensure the structural strength when the threaded column is assembled with the buffer mounting base 800.

[0060] In some embodiments of the utility model, one side of the U-shaped avoiding opening of the end of the buffer mounting base 800 is provided with a through hole corresponding to the threaded part of the first magnetic member 100. After the threaded part of the first magnetic member 100 passes through the through hole, the threaded part is connected with a nut, so as to fix the first magnetic member 100 to the end of the buffer mounting base 800. The U-shaped avoiding opening forms a mounting cavity of the nut, thereby facilitating the installation and disassembly of the first magnetic member 100.

[0061] ​In some embodiments of the present invention, the buffer mounting base 800 is provided on the door body, and the buffer mounting base 800 is provided with a roller 190, and the roller 190 corresponds to the track on the door frame, so that the magnetic damping buffer can be used as a hanging wheel, that is, the magnetic damping buffer is integrated on the hanging wheel of the sliding door, with high integration and easy installation and use.

[0062] like Figure 4 、 Figure 5 As shown, in some embodiments of the present invention, the buffer mounting base 800 includes a first base 110 for mounting the first magnetic component 100 and a second base 120 for mounting the damping cylinder 130. The first base 110 and the second base 120 are detachably connected. In actual application, the first base 110 can be configured as needed, that is, the first magnetic component 100 can be selectively installed. For example, when only the magnetic damping buffer hanging wheel function is needed, the first base 110 can be removed.

[0063] Specifically, the roller 190 is installed on the second base 120. After the magnetic damping buffer is removed from the first base 110 and the first magnetic attraction member 100, the magnetic damping buffer can be used alone as a hanging wheel.

[0064] In some embodiments of the present invention, the abutment member 132 is detachably mounted on the piston rod 131 to facilitate removal of the abutment member 132 and to facilitate activation or deactivation of the buffering function of the magnetic damping buffer.

[0065] In some embodiments of the present invention, the first base 110 and the second base 120 are connected via a plug-in structure.

[0066] Specifically, the first base 110 is provided with an inserting slot 111 , and the second base 120 is provided with an inserting portion 124 capable of being inserted into the inserting slot 111 .

[0067] In some embodiments of the present invention, the insertion slot 111 and the insertion portion 124 are provided with fastening mechanisms, such as screws, latches, buckles, etc., to improve the stability of the assembly of the first base 110 and the second base 120.

[0068] like Figure 5As shown in some embodiments of the utility model, the second base 120 includes a first assembly 121, a second assembly 122 and a third assembly 123, the first assembly 121 and the second assembly 122 can be assembled and form a cavity for installing the damping cylinder 130, the end of the second assembly 122 and the third assembly 123 can be assembled and form a wheel seat for installing the roller 190, the plug-in part 124 is respectively arranged at the end of the second assembly 122 and the third assembly 123, through the assembly structure, the installation of the damping cylinder 130 and the roller 190 can be facilitated, and the structure is simple.

[0069] As shown in some embodiments of the utility model, the first assembly 121 and the second assembly 122 are respectively provided with a guide groove 125, and the abutting piece 132 is provided with a guide part 133 capable of being inserted into the guide groove 125, so that the moving precision of the abutting piece 132 is improved, and the reliability of the magnetic damping buffer is improved. Figure 5 As shown in some embodiments of the utility model, the magnetic damping buffer further includes a mounting seat 300, the mounting seat 300 is mounted on the door frame 900, the second magnetic attraction piece 200 is mounted on the mounting seat 300, and the mounting seat 300 is provided with an abutting structure 301 corresponding to the abutting piece 132, so as to trigger the damping cylinder 130.

[0070] Figure 2 As shown in some embodiments of the utility model, the mounting seat 300 includes a base portion 310 and a mounting portion 320 arranged on the base portion 310, the base portion 310 is mounted on the door frame 900, one end of the base portion 310 protrudes and forms the abutting structure 301 with the inner wall of the door frame 900, and the second magnetic attraction piece 200 is mounted on the mounting portion 320.

[0071] It can be understood that, in some embodiments of the utility model, the abutting structure corresponding to the abutting piece 132 can also be independently arranged on the door frame 900.

[0072] As shown in some embodiments of the utility model, the second magnetic attraction piece 200 is a circular tube structure, which cooperates with the first magnetic attraction piece 100 of the magnetic rod structure, and the mounting portion 320 is provided with a mounting groove 321 capable of inserting the second magnetic attraction piece 200, so as to facilitate the assembly of the second magnetic attraction piece 200.

[0073] As shown in some embodiments of the utility model, the second magnetic attraction piece 200 is a circular tube structure, which cooperates with the first magnetic attraction piece 100 of the magnetic rod structure, and the mounting portion 320 is provided with a mounting groove 321 capable of inserting the second magnetic attraction piece 200, so as to facilitate the assembly of the second magnetic attraction piece 200. Figure 2 Specifically, the cross section of the mounting groove 321 is arc-shaped or circular structure, and the second magnetic attraction piece 200 can be inserted from one end of the mounting portion 320 and fixed through a fastening structure.

[0074]

[0075] ​​In some embodiments of the utility model, the base part 310 is installed to the door frame 900 through the plug-in structure, and the base part 310 is convenient to install.

[0076] Specifically, the base part 310 is provided with a sliding rail part on the side, and the door frame 900 is correspondingly provided with a sliding groove matched with the sliding rail part, so that the base part 310 is conveniently inserted into the door frame 900 and is fixed at a fixed position through a screw fastening mechanism.

[0077] Of course, the utility model creation is not limited to the above-mentioned implementation, and the skilled person in the art can also make equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. A magnetic damping buffer for being arranged between a door body and a door frame (900), characterized in that, The magnetic attraction structure comprises a first magnetic attraction piece (100) and a second magnetic attraction piece (200) capable of magnetic attraction cooperation, one of the first magnetic attraction piece (100) and the second magnetic attraction piece (200) is arranged on the door body, and the other is arranged on the door frame (900). The buffer assembly comprises a damping cylinder (130) arranged on the door body or the door frame (900), and a piston rod (131) of the damping cylinder (130) is provided with an abutting piece (132).

2. The magnetic damping buffer according to claim 1, wherein at least one of the first magnetic attraction piece (100) and the second magnetic attraction piece (200) is an elongated member, and the first magnetic attraction piece (100) and the second magnetic attraction piece (200) can move relatively in parallel or be inserted into each other.

3. The magnetic damping buffer according to claim 1, wherein one of the first magnetic attraction piece (100) and the second magnetic attraction piece (200) is provided with an insertion hole (201), and the other is provided with an insertion structure capable of being inserted into the insertion hole (201).

4. The magnetic damping buffer according to claim 3, further comprising a buffer mounting base body (800), wherein the first magnetic attraction piece (100) and the damping cylinder (130) are arranged on the buffer mounting base body (800) and arranged on the door body or the door frame (900) through the buffer mounting base body (800).

5. The magnetic damping buffer according to claim 4, wherein the first magnetic attraction piece (100) is in a long columnar structure, the second magnetic attraction piece (200) is provided with the insertion hole (201) corresponding to the first magnetic attraction piece (100), one end of the first magnetic attraction piece (100) is fixedly mounted to the buffer mounting base body (800), and the other end of the first magnetic attraction piece (100) is provided corresponding to the insertion hole (201).

6. The magnetic damping buffer according to claim 5, wherein the end of the first magnetic attraction piece (100) corresponding to the insertion hole (201) is in a pointed structure.

7. The magnetic damping buffer according to claim 4, wherein the buffer mounting base body (800) is arranged on the door body, and the buffer mounting base body (800) is provided with a roller (190).

8. The magnetic damping buffer according to claim 7, wherein the buffer mounting base body (800) comprises a first base (110) for mounting the first magnetic attraction piece (100) and a second base (120) for mounting the damping cylinder (130), and the first base (110) and the second base (120) are detachably connected.

9. The magnetic damping buffer according to claim 1, wherein ​ ​ ​ ​ ​ ​ ​ ​ The magnetic damping buffer further comprises a mounting seat (300) mounted on the door frame (900), and the second magnetic attraction member (200) is mounted on the mounting seat (300), and the mounting seat (300) is provided with an abutting structure (301) corresponding to the abutting member (132).

10. The magnetic damping buffer according to claim 9, characterized in that, The mounting seat (300) comprises a base portion (310) and a mounting portion (320) provided on the base portion (310), the base portion (310) is mounted on the door frame (900), one end of the base portion (310) protrudes to form the abutting structure (301) with the inner wall of the door frame (900), and the second magnetic attraction member (200) is mounted on the mounting portion (320).

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