Tolerance regulator for door handle of new energy automobile

Abstract

The utility model relates to the technical field of tolerance adjusters, in particular to a tolerance adjuster for a door handle of a new energy automobile, which comprises a limiting component and an adjusting support component spirally arranged in an inner hole of the limiting component in a penetrating manner, the limiting assembly comprises a limiting piece and an internal thread sleeve piece connected to the interior of the limiting piece, and the adjusting supporting assembly is in reverse threaded connection with an inner hole of the internal thread sleeve piece; the limiting piece comprises a fixed circular ring body, two elastic J-shaped clamps are symmetrically arranged on the outer side of the fixed circular ring body, and linear length adjusting parts are connected between the elastic J-shaped clamps and the outer circle of the fixed circular ring body. The linear length adjusting component comprises a rectangular pipe, the top of an inner cavity of the rectangular pipe is connected with an elastic plate, the bottom of the inner cavity of the rectangular pipe is connected with a fixed rack, the linear length adjusting component further comprises a movable rack meshed with the fixed rack, and the outer end of the movable rack is connected with an elastic J-shaped clamp. The automobile door handle is reasonable in structure, and the probability that the reinforcing piece metal plate deforms when the automobile door handle is subjected to large pushing force or pulling force is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tolerance adjuster, especially to a new energy automobile door handle tolerance adjuster. BACKGROUND

[0002] The hidden door handle on the new energy automobile is integrated with the vehicle body, which makes the vehicle side line more simple and smooth, creates strong future sense and science and technology sense, and improves the overall appearance and high-end temperament of the vehicle. The vehicle with the hidden door handle requires that the hidden door handle and the vehicle door outer plate have good gaps to obtain good appearance. In order to compensate for the tolerance between the door handle and the vehicle door outer plate, a suitable tolerance adjuster needs to be used.

[0003] Publication (publication) No. CN220790920U discloses a kind of hidden door handle tolerance adjuster, comprising: limiting component and the adjusting component with inner cavity, the limiting component includes limiting piece and the installation in its inside installation screw sleeve piece, the adjusting component is connected with screw sleeve piece, the end of adjusting component away from limiting component is connected with anti-skid mechanism.The utility model when limiting component and adjusting component are installed between door handle and vehicle door sheet metal, hollow screw rod drives limiting ring to contact with sheet metal surface, at this time anti-skid convex tooth improves the anti-skid performance of sheet metal surface and limiting ring, and quickly and ideally compensates for the tolerance between vehicle door handle and vehicle door sheet metal.When installing, a through hole is formed on the reinforcing sheet metal in the vehicle door, and two limiting holes are symmetrically formed on both sides of the through hole, the center hole of screw sleeve piece corresponds with the through hole, the extruded elastic inverted buckle is inserted into the limiting hole after deformation and is axially limited, the nut corresponding with the through hole is connected on the reinforcing sheet metal, bolt is sequentially threaded through hidden door handle, adjusting component, limiting component and is screwed with nut, in the process of rotating bolt, adjusting component moves reversely relative to limiting component and is connected with hidden door handle, so as to compensate for the tolerance between door handle and reinforcing sheet metal, through the interaction of bolt, nut and tolerance adjuster, door handle and reinforcing sheet metal are fixedly connected.

[0004] The prior art in the above has the following defects: the distance between the two elastic inverted buckles on the above-mentioned tolerance adjuster is small and cannot be adjusted, so the distance between the through hole and the limiting hole formed on the reinforcing sheet metal is small, and when the door handle is subjected to a large pushing force or pulling force, the area between the through hole and the limiting hole on the reinforcing sheet metal will be deformed due to the large force, causing the door handle to displace and not flush with the outer surface of the vehicle door, reducing the appearance of the hidden door handle. UTILITY MODEL CONTENTS

[0005] The utility model mainly solves the technical problem of providing a new energy automobile door handle is with tolerance regulator, has reduced the probability that the reinforcement sheet metal of door handle is caused to deform when being subjected to greater thrust or tension.

[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a new energy automobile door handle is with tolerance regulator, comprising: limiting component and screwing and setting adjusting support component in its inner hole;

[0007] The limiting component includes a limiting member and an internally threaded sleeve member connected inside it, and the adjusting support component and the inner hole of the internally threaded sleeve member are reversely threaded connected;

[0008] The limiting member includes a fixed circular ring body, two elastic J-shaped clamps are symmetrically arranged on the outer side of the fixed circular ring body, and a linear length adjusting component is connected between the outer circle of the elastic J-shaped clamp and the fixed circular ring body respectively;

[0009] The linear length adjusting component includes a rectangular tube connected on the outer circle of the fixed circular ring body, an elastic plate is connected on the top of the inner cavity of the rectangular tube, a fixed rack is connected on the bottom of the inner cavity of the rectangular tube, a moving rack is further included and is meshed and connected with the fixed rack, and the outer end of the moving rack is connected with the elastic J-shaped clamp.

[0010] According to the technical scheme, the distance between the two elastic J-shaped clamps is increased according to the distribution of the parts in the automobile door, the distance between the two corresponding limiting holes on the reinforcing sheet metal is increased during design, that is, the distance between the limiting hole and the through hole is increased, the structural strength of the reinforcing sheet metal is improved, the nut corresponding to the through hole is connected to the reinforcing sheet metal in the automobile door during installation, the distance between the two elastic J-shaped clamps is adjusted through the action of the linear length adjusting component, the elastic J-shaped clamps can pass through the limiting hole after being extruded, and the tolerance adjuster is connected to the reinforcing sheet metal in resistance; specifically, the elastic plate is extruded and deformed by moving the rack, the elastic plate returns to the initial state after the rack moves a proper linear distance relative to the fixed rack, the rack and the fixed rack are re-engaged and connected for positioning, the distance between the two elastic J-shaped clamps is appropriate, that is, the distance between the through hole and the limiting hole formed in the reinforcing sheet metal is appropriate, when the door handle is subjected to a large pushing force or pulling force, the probability of deformation of the area between the through hole and the limiting hole on the reinforcing sheet metal due to the large force is reduced, the door handle is flush with the outer surface of the automobile door, and the appearance of the hidden door handle is improved; since the inner hole of the adjusting support assembly and the inner thread sleeve are connected in reverse threads, the bolt is sequentially threaded through the door handle, the adjusting support assembly, the limiting assembly, and is threadedly connected with the nut, the adjusting support assembly is driven to move in the opposite direction relative to the limiting assembly during rotation of the bolt, the adjusting support assembly is connected to the door handle in resistance, so that the tolerance between the door handle and the reinforcing sheet metal is compensated, and the door handle and the reinforcing sheet metal are fixedly connected through the interaction of the bolt, the nut and the tolerance adjuster.

[0011] In a preferred example, the inner thread sleeve includes an inner thread pipe body, and a polygonal body is connected to one end of the outer circle of the inner thread pipe body.

[0012] According to the technical scheme, the inner thread pipe body and the adjusting support assembly are connected in reverse threads, and the adjusting support assembly is driven to move away from the inner thread pipe body when the bolt is rotated, and the adjusting support assembly is connected to the door handle in resistance.

[0013] In a preferred example, the inner cavity of the fixed ring body is provided with a polygonal inner hole matched with the polygonal body, one end of the polygonal inner hole is connected to a limiting ring through the inner wall of the adjusting support assembly, and an axial limiting component is further included to prevent the inner thread pipe body from being separated from the fixed ring body.

[0014] By adopting the technical scheme, after the internally-threaded pipe body passes through the polygonal inner hole of the fixed circular ring body, the polygonal body is located in the polygonal inner hole and mutually adapts, the limiting ring limits the polygonal body after contacting with the polygonal body, and the axial limiting component is used to prevent the internally-threaded pipe body from being reversely separated from the fixed circular ring body.

[0015] In a preferred example, the axial limiting component comprises a limiting cavity arranged on the outer side surface of the polygonal body and a triangular limiting block capable of entering the limiting cavity, the triangular limiting block is connected with the inner wall of the polygonal inner hole, and the triangular limiting block and the fixed circular ring body are integrally injection molded.

[0016] By adopting the technical scheme, since the triangular limiting block and the fixed circular ring body are integrally injection molded, in the process of pushing the internally-threaded sleeve into the polygonal inner hole, the fixed circular ring body and the triangular limiting block are extruded to deform, the internally-threaded sleeve continues to move to make the triangular limiting block clamped into the limiting cavity, the fixed circular ring body and the triangular limiting block return to the initial state, and thus the internally-threaded sleeve is prevented from being reversely moved out of the polygonal inner hole.

[0017] In a preferred example, the adjusting support assembly comprises a screw rod and an annular support plate connected to one end of the screw rod, one end of the screw rod is provided with a countersunk hole, a square plastic tube is arranged in the countersunk hole, a plurality of axial baffles extending to the center are annularly arranged on one end of the countersunk hole close to the annular support plate, and a plurality of anti-skid teeth are annularly arranged on the end surface of the annular support plate away from the screw rod.

[0018] By adopting the technical scheme, the square plastic tube is extruded into the countersunk hole, the axial baffles prevent the square plastic tube from being separated from the countersunk hole, the purpose of limiting is achieved, after the bolt is screwed into the inner hole of the square plastic tube, the bolt is in threaded connection with the inner hole of the square plastic tube, in the process of rotating the bolt, the adjusting support assembly is driven to move reversely relative to the limiting assembly and abut against the door handle, the bolt is continuously rotated to be in threaded connection with the nut connected to the reinforcing piece metal plate, so that the door handle is fixedly connected to the reinforcing piece metal plate through the tolerance adjuster, since the annular support plate is provided with a plurality of anti-skid teeth, the friction force between the annular support plate and the door handle is increased, and the screw rod and the internally-threaded sleeve are reversely threaded connected.

[0019] In a preferred example, the fixed circular ring body and the adjusting support assembly are provided with an anti-separation mechanism for preventing the adjusting support assembly from being separated from the inner hole of the internally-threaded sleeve, the anti-separation mechanism comprises a boss, elastic baffles and rigid blocks arranged on both sides of the boss, the boss is connected to the annular support plate, and the elastic baffles and the rigid blocks are connected to the end surface of the fixed circular ring body.

[0020] By adopting the technical scheme, when the tolerance adjuster is not installed, the boss is located between the elastic baffle and the rigid stopper, the elastic baffle and the rigid stopper prevent the rotation of the adjusting support assembly, that is, prevent the adjusting support assembly from being separated from the inner hole of the inner threaded sleeve, when the tolerance adjuster is installed, the rotating bolt drives the adjusting support assembly to rotate reversely, the friction between the bolt and the adjusting support assembly is greater than the resistance of the elastic baffle to the boss, the elastic baffle cannot block the boss after being deformed, and the adjusting support assembly continues to move reversely relative to the limiting assembly under the driving of the bolt.

[0021] In summary, the utility model has at least one of the following beneficial technical effects:

[0022] According to the distribution of the automobile door inner part, when the tolerance adjuster does not interfere with the surrounding parts, the distance between the two elastic J-shaped clamps is increased, that is, the distance between the two corresponding limiting holes on the reinforcing sheet metal is increased, that is, the distance between the limiting hole and the through hole is increased, the structural strength of the reinforcing sheet metal is improved, when the door handle is subjected to a large thrust or tension, the probability of deformation of the area between the through hole and the limiting hole on the reinforcing sheet metal due to a large force is reduced, the door handle is flush with the outer surface of the automobile door, and the appearance of the hidden door handle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor, wherein:

[0024] Figure 1 It is a structure schematic view of a preferred embodiment of the utility model of a tolerance adjuster for a new energy automobile door handle.

[0025] Figure 2 It is an exploded view of Figure 1

[0026] Figure 3 It is a structure schematic view of the limiting member in Figure 2

[0027] Figure 4 It is a structure schematic view of the connection between the screw rod and the annular support plate in Figure 2

[0028] In the figure: 10, limiting assembly; 20, adjusting support assembly; 3, polygonal inner hole; 4, limiting ring;

[0029] ​​​50, axial limiting component; 60, anti-disengagement mechanism; 7, limiting indication line;

[0030] 11, limiting piece; 12, internally threaded sleeve;

[0031] 111, fixed circular ring body; 112, elastic J-shaped clamp; 113, linear length adjustment component;

[0032] 1131, rectangular tube; 1132, elastic plate; 1133, fixed rack; 1134, movable rack;

[0033] 121, internally threaded tube; 122, polygonal body;

[0034] 21, screw rod; 22, annular support plate; 23, countersunk hole; 24, square plastic tube; 25, axial baffle; 26, anti-skid tooth;

[0035] 51, limiting cavity; 52, triangular limiting block;

[0036] 61, boss; 62, elastic baffle; 63, rigid stop block. DETAILED DESCRIPTION

[0037] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to explain and illustrate the present application, and are not used to limit the present application.

[0038] It should be noted that these drawings are simplified schematic diagrams, and only illustrate the basic structure of the present application in a schematic manner, and therefore only show the relevant components of the present application.

[0039] Reference Figures 1 to 4 The present application discloses a new energy automobile door handle tolerance regulator, which comprises a limiting assembly 10 and an adjusting support assembly 20 which is screwed into the inner hole thereof.

[0040] The limiting assembly 10 comprises a limiting piece 11 and an internally threaded sleeve 12 connected inside the limiting piece 11, and the adjusting support assembly 20 is reversely threaded connected with the inner hole of the internally threaded sleeve 12; the limiting piece 11 comprises a fixed circular ring body 111, two elastic J-shaped clamps 112 are symmetrically arranged on the outer side of the fixed circular ring body 111, and linear length adjustment components 113 are respectively connected between the elastic J-shaped clamps 112 and the outer circle of the fixed circular ring body 111; the linear length adjustment component 113 comprises a rectangular tube 1131 connected to the outer circle of the fixed circular ring body 111, an elastic plate 1132 connected to the top of the inner cavity of the rectangular tube 1131, and a fixed rack 1133 connected to the bottom of the inner cavity of the rectangular tube 1131, and further comprises a movable rack 1134 meshingly connected with the fixed rack 1133, and the outer end of the movable rack 1134 is connected with the elastic J-shaped clamp 112.

[0041] The inner threaded sleeve 12 comprises an inner threaded pipe body 121, one end of which is connected with a polygonal body 122 by an outer circular fitting; the inner threaded pipe body 121 is reversely threaded connected with the adjusting support assembly 20, and when the bolt is rotated, the adjusting support assembly 20 is driven to move away from the inner threaded pipe body 121, and the adjusting support assembly 20 is abuttingly connected with the door handle.

[0042] The inner cavity of the fixed circular ring body 111 is provided with a polygonal inner hole 3 matched with the polygonal body 122, the polygonal inner hole 3 is connected with a limiting ring 4 on the inner wall of one end close to the adjusting support assembly 20, and further comprises an axial limiting component 50 for preventing the inner threaded pipe body 121 from being separated from the fixed circular ring body 111; after the inner threaded pipe body 121 passes through the polygonal inner hole 3 of the fixed circular ring body 111, the polygonal body 122 is located in the polygonal inner hole 3 and matched with each other, the limiting ring 4 is in contact with the polygonal body 122 to limit the polygonal body 122, and the axial limiting component 50 is used to prevent the inner threaded pipe body 121 from being reversely separated from the fixed circular ring body 111.

[0043] The axial limiting component 50 comprises a limiting cavity 51 arranged on the outer side surface of the polygonal body 122 and a triangular limiting block 52 capable of entering the limiting cavity 51, the triangular limiting block 52 is connected with the inner wall of the polygonal inner hole 3, and the triangular limiting block 52 is integrally injection molded with the fixed circular ring body 111; since the triangular limiting block 52 is integrally injection molded with the fixed circular ring body 111, during the process of pushing the inner threaded sleeve 12 into the polygonal inner hole 3, the fixed circular ring body 111 and the triangular limiting block 52 are extruded to be deformed, the inner threaded sleeve 12 continues to move to make the triangular limiting block 52 clamped into the limiting cavity 51, the fixed circular ring body 111 and the triangular limiting block 52 return to the initial state, so as to prevent the inner threaded sleeve 12 from being reversely moved out of the polygonal inner hole 3, and the purpose of limiting is achieved.

[0044] The adjusting support assembly 20 comprises a screw rod 21 and a ring-shaped support plate 22 connected to one end of the screw rod 21, the screw rod 21 is provided with a countersunk hole 23 in the center of one end, the countersunk hole 23 is provided with a square plastic tube 24, a plurality of axial baffles 25 extending to the center are arranged in an annular array in the countersunk hole 23 close to one end of the ring-shaped support plate 22, and a plurality of anti-skid teeth 26 are arranged in an annular array on the end face of the ring-shaped support plate 22 away from the screw rod 21; the square plastic tube 24 is extruded into the countersunk hole 23, the square plastic tube 24 is prevented from being separated from the countersunk hole 23 by the axial baffles 25, and the purpose of limiting is achieved, after the bolt is screwed into the inner hole of the square plastic tube 24, the bolt is in threaded connection with the inner hole of the square plastic tube 24, in the process of rotating the bolt, the adjusting support assembly 20 is driven to move reversely relative to the limiting assembly 10 and abut against the connection with the door handle, the bolt is continuously rotated to be in threaded connection with the nut connected to the reinforcing piece metal plate, so that the door handle is fixedly connected with the reinforcing piece metal plate through the tolerance adjuster, and since the ring-shaped support plate 22 is provided with a plurality of anti-skid teeth 26, the friction between the ring-shaped support plate 22 and the door handle is increased, and the screw rod 21 and the internally threaded sleeve 12 are reversely threaded connected.

[0045] The fixing circular ring body 111 and the adjusting support assembly 20 are provided with a separation prevention mechanism 60 for preventing the adjusting support assembly 20 from being separated from the inner hole of the internally threaded sleeve 12, the separation prevention mechanism 60 comprises a boss 61, elastic baffles 62 arranged on both sides of the boss 61 and rigid blocks 63, the boss 61 is connected to the ring-shaped support plate 22, and the elastic baffles 62 and the rigid blocks 63 are connected to the end faces of the fixing circular ring body 111; when the tolerance adjuster is not installed, the boss 61 is located between the elastic baffles 62 and the rigid blocks 63, the elastic baffles 62 and the rigid blocks 63 prevent the adjusting support assembly 20 from rotating, that is, the adjusting support assembly 20 is prevented from being separated from the inner hole of the internally threaded sleeve 12, when the tolerance adjuster is installed, the bolt drives the adjusting support assembly 20 to reversely rotate, the friction between the bolt and the adjusting support assembly 20 is greater than the resistance of the elastic baffles 62 to the boss 61, the elastic baffles 62 cannot block the boss 61 after being deformed, and the adjusting support assembly 20 continues to reversely move relative to the limiting assembly 10 under the driving of the bolt.

[0046] The moving rack 1134 is provided with a limiting indication line 7, and when the limiting indication line 7 is flush with the outer end of the rectangular tube 1131, it is the maximum distance of the outward movement of the moving rack 1134.

[0047] The implementation principle of the embodiment is that according to the distribution of the parts in the automobile door, the distance between the two elastic J-shaped clamps 112 is increased when the tolerance adjuster does not interfere with the surrounding parts, that is, the distance between the two corresponding limiting holes on the reinforcing sheet metal is increased in design, that is, the distance between the limiting hole and the through hole is increased, the structural strength of the reinforcing sheet metal is improved, and when installed, the nut corresponding to the through hole is connected on the reinforcing sheet metal in the automobile door, the distance between the two elastic J-shaped clamps 112 is adjusted through the action of the linear length adjusting component 113, and the elastic J-shaped clamp 112 can pass through the limiting hole after being extruded, so that the tolerance adjuster of the application is connected with the reinforcing sheet metal; Specifically, the elastic plate 1132 is extruded and deformed by moving the rack 1134, and then the rack 1134 is translated by a proper linear distance relative to the fixed rack 1133, the elastic plate 1132 returns to the initial state, the rack 1134 and the fixed rack 1133 are re-engaged and connected for positioning, so that the distance between the two elastic J-shaped clamps 112 is appropriate, that is, the distance between the through hole and the limiting hole formed on the reinforcing sheet metal is appropriate, when the door handle is subjected to a large pushing force or pulling force, the probability of deformation of the area between the through hole and the limiting hole on the reinforcing sheet metal due to the large force is reduced, so that the door handle is flush with the outer surface of the automobile door, and the appearance of the hidden door handle is improved; since the inner hole of the adjusting support assembly 20 and the inner thread sleeve 12 are connected in reverse threads, the bolt is sequentially threaded through the door handle, the adjusting support assembly 20, the limiting assembly 10 and then threaded with the nut, and the adjusting support assembly 20 is moved in the opposite direction relative to the limiting assembly 10 during the rotation of the bolt, and the adjusting support assembly 20 is connected with the door handle, so as to compensate for the tolerance between the door handle and the reinforcing sheet metal, and the door handle and the reinforcing sheet metal are fixedly connected through the interaction of the bolt, the nut and the tolerance adjuster.

[0048] The above only describes the embodiments of the application, and does not limit the patent range of the application, and any equivalent structure or equivalent process transformation according to the content of the application, or direct or indirect application in other related technical fields, is also included in the patent protection range of the application.

Claims

1. A tolerance adjuster for a new energy vehicle door handle, characterized by, The utility model relates to a kind of adjustable support assembly and length adjustment component, including: Limiting component (10) and adjusting support component (20) of screwing in its inner hole; The limiting component (10) includes limiting member (11) and inner threaded sleeve member (12) connected in its inside, and the inner hole of adjusting support component (20) and inner threaded sleeve member (12) are reversely threaded connection; The limiting member (11) includes fixed annular body (111), the outer side of fixed annular body (111) is symmetrically provided with two elastic J-shaped card (112), and linear length adjustment component (113) is respectively connected between the outer circle of fixed annular body (111) and elastic J-shaped card (112); The linear length adjustment component (113) includes rectangular tube (1131) connected on the outer circle of fixed annular body (111), the top of the inner cavity of rectangular tube (1131) is connected with elastic plate (1132), the bottom of the inner cavity of rectangular tube (1131) is connected with fixed rack (1133), and it further includes moving rack (1134) engaged with fixed rack (1133), and the outer end of moving rack (1134) is connected with elastic J-shaped card (112).

2. The tolerance adjuster for a new energy vehicle door handle according to claim 1, characterized in that, The inner threaded sleeve member (12) includes inner threaded tube body (121), and one end of the outer circle of inner threaded tube body (121) is connected with polygonal body (122) in sleeve.

3. The tolerance adjuster for a new energy vehicle door handle according to claim 2, characterized in that, The inner cavity of fixed annular body (111) is provided with polygonal inner hole (3) matched with polygonal body (122), and the one end inner wall of polygonal inner hole (3) is connected with limiting ring (4) close to adjusting support component (20), and it further includes axial limiting component (50) for preventing inner threaded tube body (121) from being separated from fixed annular body (111).

4. The tolerance adjuster for a new energy vehicle door handle according to claim 3, characterized in that, The axial limiting component (50) includes limiting cavity (51) arranged on the outer side of polygonal body (122) and triangular limiting block (52) that can enter limiting cavity (51), the inner wall of polygonal inner hole (3) is connected with triangular limiting block (52), and triangular limiting block (52) is integrally injection molded with fixed annular body (111).

5. The tolerance adjuster for a new energy vehicle door handle according to claim 1, characterized in that, The adjusting support component (20) includes screw rod (21) and annular support plate (22) connected at one end thereof, the center of one end of screw rod (21) is provided with countersunk hole (23), square plastic tube (24) is arranged in countersunk hole (23), a plurality of axial baffles (25) extending to the center are connected in annular array in one end of countersunk hole (23) close to annular support plate (22), and a plurality of anti-skid teeth (26) are arranged in annular array on the end face of annular support plate (22) away from screw rod (21).

6. The tolerance adjuster for a new energy vehicle door handle according to claim 5, characterized in that, The fixed circular ring body (111) and the adjusting support assembly (20) are provided with an anti-disengagement mechanism (60) for preventing the adjusting support assembly (20) from disengaging from the inner hole of the internally threaded sleeve member (12), the anti-disengagement mechanism (60) comprising a boss (61), elastic baffle plates (62) and rigid baffle blocks (63) arranged on both sides of the boss (61), the boss (61) being connected to the annular support plate (22), and the elastic baffle plates (62) and the rigid baffle blocks (63) being connected to the end faces of the fixed circular ring body (111) respectively.

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