CN113007500B - Foot margin fixing device - Google Patents

Foot margin fixing device Download PDF

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Publication number
CN113007500B
CN113007500B CN202110184075.XA CN202110184075A CN113007500B CN 113007500 B CN113007500 B CN 113007500B CN 202110184075 A CN202110184075 A CN 202110184075A CN 113007500 B CN113007500 B CN 113007500B
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China
Prior art keywords
bracket
mounting
eccentric
adjustment member
axis
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CN113007500A (en
Inventor
周琴
何永军
张振伟
党亚斌
陈勇
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Commercial Aircraft Corp of China Ltd
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Commercial Aircraft Corp of China Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M7/00Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

A ground foot fixture for fixedly coupling equipment to be installed with a mounting point on a floor, comprising: the bracket defines a mounting plane, is used for being directly connected with equipment and is provided with a bracket hole; an angle adjuster defining an axis of rotation perpendicular to the mounting plane, the angle adjuster being rotatable relative to the bracket about the axis of rotation and fixed relative to the bracket in a plurality of mounting orientations by engagement with the bracket aperture; an eccentric adjustment member defining a mounting axis parallel to and at an eccentric distance from the rotational axis, the eccentric adjustment member rotating about the rotational axis following the angle adjustment member; a mount, the eccentric distance being set such that the mount can secure the bracket to the mounting point at the mounting axis. By means of the invention, it is allowed to mount the apparatus without aligning the apparatus with the mounting point.

Description

Foot margin fixing device
Technical Field
The invention relates to the field of aircraft design, in particular to installation of internal equipment of an aircraft, and more particularly to a ground pin fixing device for installing large parts on a floor frame.
Background
When large components are installed in aircraft interiors and on other fixed structures, a set of interface connection devices are required to connect the large components to be installed with the fixed structure. In the related art, the above-described connection is generally achieved using a bolt assembly and a plug assembly.
However, existing bolt assemblies and bolt assemblies tend to suffer from the problem of being difficult to adjust to compensate for mismatched dimensions. Particularly, when a large component is installed, if the interface can not be connected due to design, manufacturing or assembly errors, the large component needs to be disassembled and repositioned for installation. This can be a time consuming and material consuming task, as well as easily damaging the interface connection.
To remedy this deficiency of conventional bolt assembly and bolt assembly connections, there are also prior art improved bolt assemblies and improved bolt assemblies for the purpose of achieving the above adjustment compensation.
For example, chinese utility model patent CN 207878889U discloses an adjustable anchor. The adjustable foot can be used in the construction field. The adjustable anchor comprises a base and a bearing part connected with the base. The inner side of the base is provided with an internal thread, and the bearing part is provided with an external thread matched with the internal thread. The bearing part is matched with the base in a rotating mode, so that the height of the bearing part is changed. The bearing part is provided with a bearing surface for bearing the floor tiles, and the bearing surface is provided with a limiting convex part along the circumferential direction. Therefore, the adjustable anchor achieves the functions of adjusting the height and bearing heavy objects.
Unfortunately, the adjustable anchor, although being height adjustable by means of the internal and external screw thread engagement, does not allow for a compensating adjustment of the mounting position in a plane perpendicular to the height direction.
A self-aligning adjustable foot assembly is provided in US 3729238A. The adjustable foot assembly includes a cylindrical anchor pin and a bullet anchor pin. The anchor pin is for mounting on a fixed structure. The anchor pin is for mounting in a bearing comprising two self-aligning members. One of the two self-aligning members has an inner spherical surface, and the other self-aligning member has an outer spherical surface and a through hole for mounting an anchor pin. The outer spherical surface can flexibly move on the inner spherical surface, and the axis of the anchoring pin is coincided with the axis of the bearing through an eccentric stud assembled with the anchoring pin so as to achieve the purpose of fine adjustment of the position.
Although the adjustable anchor assembly is self-aligning and allows fine adjustment of the installation location, the fine adjustment range is limited to the range of motion of the eccentric stud through hole axis, which makes it difficult to meet the need for compensation when installing large components.
Disclosure of Invention
In view of the above-described problems in the prior art, it is an object of the present invention to allow installation of equipment without aligning the equipment with the installation point.
To this end, the invention provides a ground anchor fixture for fixedly coupling equipment to be installed with a mounting point on a floor, characterized in that,
the lower margin fixing device includes:
the bracket defines a mounting plane and is used for being directly connected with the equipment, and a bracket hole is formed in the bracket;
an angle adjuster defining an axis of rotation perpendicular to the mounting plane, the angle adjuster being rotatable relative to the bracket about the axis of rotation and fixed relative to the bracket in a plurality of mounting orientations by engagement with the bracket aperture;
an eccentric adjustment member defining a mounting axis parallel to and at an eccentric distance from the rotational axis, the eccentric adjustment member rotating about the rotational axis following the angular adjustment member;
a mount, the eccentric distance being set such that the mount can secure the bracket to the mounting point at the mounting axis.
By means of the anchor fixing device according to the invention, the position of the bracket relative to the fixing element in the installation plane is allowed to be adjusted, so that possible deviations between the device to be installed and the installation point can be adequately compensated and adapted to the installation site.
According to a preferred embodiment of the anchor fixing device of the present invention, the bracket hole includes an internal tooth profile; the angle adjustment includes an external tooth profile; and the internal and external tooth profiles cooperate to define the mounting orientation.
The provision of a toothed profile allows, on the one hand, fixing the mounting orientation of the angle adjustment member relative to the bracket and, on the other hand, also ensures, through the choice of the number of teeth, a suitable number of mounting orientations to better suit the needs of a particular application.
According to a preferred embodiment of the ground anchor fixing device according to the present invention, the inner tooth profile and the outer tooth profile are tapered teeth tapered downward along the rotation axis.
The provision of the tapered teeth allows the angle adjuster to be held in the vertical direction only by the bracket, and is advantageous in ensuring concentricity of the angle adjuster with respect to the bracket hole.
According to a preferred embodiment of the anchor fixing apparatus of the present invention, the angle adjusting member includes an eccentric adjusting hole penetrating the angle adjusting member for receiving the eccentric adjusting member, the eccentric adjusting hole being shaped such that the eccentric adjusting member is fixed relative to the angle adjusting member in a plane parallel to the installation plane.
The driving of the eccentric adjustment member by the angle adjustment member allows the operator to conveniently adjust the direction of the eccentric distance.
According to a preferred embodiment of the anchor fixing device of the present invention, the eccentric adjusting hole is a linearly extending elongated hole in a plane parallel to the installation plane, and the eccentric adjusting member is a cylindrical block having an elongated cross section.
The long and narrow eccentric adjusting hole can effectively reduce the occupied space of the eccentric adjusting hole and the eccentric adjusting part on the premise of ensuring the adjustment range of the eccentric distance, so that the occupied space of the ground foot fixing device is favorably reduced, and an operator can visually identify the current installation orientation when installing.
According to a preferred embodiment of the anchor fixing apparatus of the present invention, the eccentric adjusting member is opened at the installation axis with a fixing member installation hole penetrating through the eccentric adjusting member for receiving the fixing member.
The reception of the fixing member through the fixing member mounting hole allows the mounting of the fixing member within the size range of the eccentricity adjustment member, thereby further contributing to the reduction of the footprint of the anchor fixing device and enabling the operator to intuitively perceive the degree of eccentricity when mounting.
According to a preferred embodiment of the anchor fixing apparatus of the present invention, the anchor fixing apparatus further includes a sleeve extending from below the angle adjuster into between the eccentric adjustment hole and the eccentric adjustment member and including a sleeve flange extending parallel to the mounting plane at a lower end as the angle adjuster rotates about the rotational axis, at least a portion of the sleeve flange extending below the bracket.
The provision of the sleeve can provide a surface having a relatively large height and a smooth inner wall for contact by the eccentric adjustment member, and helps to allow assembly of the mounting position adjustment member such as the angle adjustment member from above and fastening of the bracket from below.
According to a preferred embodiment of the anchor fixing device according to the invention, the anchor fixing device further comprises a presser plate assembly arranged above the sleeve and shaped so as to allow both the sleeve and the bracket to be pressed downwards by the presser plate assembly.
The hold-down plate assembly can allow fastening of the bracket from above by using common assemblies and allows reasonable assembly tolerances of the anchor fixing device during actual assembly.
According to a preferred embodiment of the anchor fixing device of the present invention, the hold-down plate assembly includes an upper hold-down plate and a lower hold-down plate provided with opposing insections and engaged by the insections such that the upper hold-down plate is capable of being offset by the eccentric distance in the installed orientation relative to the lower hold-down plate.
The upper insection plate is meshed with the lower insection plate, and the relative position of the upper and lower pressing plates can be adjusted along the direction perpendicular to the distribution of the insection lines, so that the position of the fixing piece can be followed, and the function of locking and skid resistance can be realized.
According to a preferred embodiment of the anchor fixing device of the present invention, the fixing member is a screw, a screw head of the screw is pressed down on the upper pressing plate, and the screw passes through the upper pressing plate, the lower pressing plate, and the eccentric adjusting member in this order downward to reach the mounting point.
By adopting the common threaded fastener in the field as the fixing piece, good compatibility of the existing parts and installation modes is realized, and the improvement cost is facilitated.
In summary, the invention has the advantages that at least the following is provided for the technical problem that the traditional bolt connection anchor is difficult to carry out the expected compensation installation: the purpose of flexible adjustment is achieved through a simple mechanism, the adjustment range can be controlled through the size of the eccentric adjustment hole, the application range is wide, the installation trial-and-error cost is saved, and the adaptation degree of parts is increased. Moreover, compared with the traditional bolted anchor, the device of the invention has no obvious weight increase or the weight increase can be ignored.
It is to be understood that both the foregoing general description and the following detailed description illustrate various embodiments and are intended to provide an overview or framework for understanding the nature and character of the claimed subject matter.
This document includes the accompanying drawings to provide a further understanding of various embodiments. The accompanying drawings are incorporated in and constitute a part of this specification. The drawings illustrate various embodiments described herein, and together with the description serve to explain the principles and operations of the claimed subject matter.
Drawings
Technical features of the present invention are hereinafter clearly described with reference to the above objects, and advantages thereof are apparent from the following detailed description with reference to the accompanying drawings, which illustrate by way of example preferred embodiments of the present invention, without limiting the scope of the invention.
In the drawings:
FIG. 1 is an exploded perspective view of a preferred embodiment of an anchor fixing apparatus according to the present invention.
FIG. 2 is a top view of the preferred embodiment of the anchor fixing apparatus shown in FIG. 1 according to the present invention.
FIG. 3 is a sectional view of the preferred embodiment of the anchor fixing apparatus according to the present invention shown in FIG. 1, taken along line A-A of FIG. 2.
FIG. 4 is a sectional view of the preferred embodiment of the anchor fixing apparatus according to the present invention shown in FIG. 1, taken along the line B-B of FIG. 2.
FIG. 5 is a top view of the preferred embodiment of an anchor fixing apparatus according to the present invention shown in FIG. 2, with the hold-down assembly, eccentric adjustment member and fixing member removed, illustrating the engagement between the bracket and the angle adjustment member for clarity.
FIG. 6 is a perspective view illustrating eccentric adjusters of various specifications of a preferred embodiment of an anchor fixing apparatus according to the present invention shown in FIG. 1.
Fig. 7 is a perspective view schematically showing another preferred embodiment of an anchor fixing apparatus according to the present invention, in which a bracket is different in a detailed form from the bracket shown in fig. 1 to 5.
List of reference numerals
100 foot fixing device
110 support
111 support hole
120-degree adjusting piece
121 eccentric adjusting hole
130 eccentric adjusting piece
131 mounting hole for fixing piece
140 fixing part
150 sleeve
151 sleeve flange
160 platen assembly
161 upper pressure plate
162 lower pressing plate
200 device fastening screw
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below.
While the invention will be described in conjunction with the exemplary embodiments, it will be understood that this description is not intended to limit the invention to those embodiments illustrated. On the contrary, the invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention.
For convenience in explanation and accurate definition of the technical solutions of the present invention, the terms "upper", "lower", "inner" and "outer" are used to describe features of the exemplary embodiments with reference to the positions of these features as shown in the drawings.
A preferred embodiment of an anchor fixture 100 according to the present invention is shown in fig. 1-5. The foot fixing device 100 is used to fixedly couple equipment (not shown) to be installed with a mounting point on a floor. The floor is, for example, a floor frame of an aircraft, for example, various devices mounted on the floor frame in the cabin.
As shown in the drawings, the anchor fixing device 100 includes: bracket 110, angle adjuster 120, eccentricity adjuster 130, and fixing member 140.
The bracket 110 defines a mounting plane for direct connection to equipment. It is noted that reference herein to a mounting plane is to the mounting plane in which the bracket 110 is adjustable in its position relative to the mount 140, as discussed in detail below. The bracket 110 may be connected to the equipment to be installed in various conventional ways. For example, it is preferably removably connected to the device to be mounted by a device fastening screw 200 as shown in the figures.
More specifically, in the embodiment shown in fig. 1-5, the bracket 110 may be mounted to a mounting surface of the device to be mounted, e.g., a bottom plane of the device to be mounted, parallel to the mounting plane, by six device-fastening screws 200 (see fig. 1) evenly distributed in the circumferential direction. At this time, the bracket 110 may have an upper flange surface provided with a screw hole for installing the fastening screw 200, and may have a cylindrical portion with a hollow inner cavity extending downward from the upper flange surface.
Furthermore, it is also possible, as in the further embodiment shown in fig. 7, to mount the installation surface of the device to be mounted perpendicular to the mounting plane, for example a side elevation of the device to be mounted, by means of seven device fastening screws (only screw holes are shown) distributed in a substantially U-shaped path.
Referring to fig. 5, the bracket 110 is opened with a bracket hole 111. In the preferred embodiment shown in the figures, the bracket apertures 111 may be substantially parallel to the mounting plane. However, the bracket hole 111 may also be provided in a plane intersecting the mounting plane. Generally, the bracket 110 may take various forms, and the bracket hole 111 may be designed to penetrate the bracket 110 in a direction perpendicular to the installation plane.
The angle adjuster 120 defines an axis of rotation that is perpendicular to the mounting plane. The angle adjuster 120 is rotatable about an axis of rotation relative to the bracket 110 and is fixed relative to the bracket 110 in a plurality of mounting orientations by engagement with the bracket aperture 111. Preferably, the inner contour of the holder hole 111 and the outer contour of the angle adjuster 120 may be designed to have a shape that is rotationally symmetrical about the rotational axis, such as a circle, a regular polygon, or the like. For example, when a square inner contour of holder bore 111 and an outer contour of angle adjustment member 120 are used, four mounting orientations spaced 90 degrees apart from each other are allowed, whereas when a circular inner contour of holder bore 111 and an outer contour of angle adjustment member 120 are used, in principle, the mounting orientations are allowed to be adjusted continuously over a range of 360 degrees.
As shown in fig. 5, the bracket aperture 111 can include an internal tooth profile and the angle adjuster 120 can include an external tooth profile. Wherein the internal tooth profile of the bracket aperture 111 and the external tooth profile of the angle adjuster 120 cooperate to define the aforementioned mounting orientation. More preferably, the internal and external profiles are tapered teeth that may be tapered downwardly along the axis of rotation. Furthermore, as will be understood by those skilled in the art, the internal tooth profile and the external tooth profile may be different tooth profiles, such as straight teeth, etc., according to actual requirements. It should also be noted that while the internal and external tooth profiles may preferably have a saw-tooth profile as shown in fig. 5, they may also have the form of a rectangular profile, an arc profile, or the like, so long as the interengagement of the internal and external tooth profiles prevents rotation of the angle adjuster 120 relative to the bracket bore 111 about the axis of rotation. When a toothed profile is selected to fix angle adjustment member 120 relative to bracket 110, the range of mounting orientations may be limited by the toothed profile. However, those skilled in the art can select a suitable tooth profile to meet the adjustment requirement of the installation orientation according to the actual requirement, and the detailed description is omitted here.
Referring to fig. 1 and 5, the angle adjuster 120 includes an eccentricity adjustment hole 121. The eccentricity adjustment hole 121 is disposed through the angle adjustment member 120 and is used to receive an eccentricity adjustment member 130.
The shape of the eccentricity adjustment hole 121 is designed such that the eccentricity adjustment member 130 is fixed with respect to the angle adjustment member 120 in a plane parallel to the mounting plane to follow the rotation of the angle adjustment member 120 about the rotation axis. For example, the eccentricity adjustment hole 121 may have the same shape as the outer profile of the eccentricity adjustment member 130, or the eccentricity adjustment hole 121 may be reserved with a fixing member installation position for fixing with the eccentricity adjustment member 130. Preferably, the eccentricity adjustment hole 121 may also be form-fitted with the eccentricity adjustment member 130, and so that the eccentricity adjustment member 130 may be conveniently inserted into and withdrawn from the eccentricity adjustment hole 121.
Referring to fig. 1 and 5, the eccentric adjustment member 130 defines a mounting axis that is parallel to the axis of rotation and at an eccentric distance. The eccentricity adjustment member 130 may be opened at the mounting axis with a fixing member mounting hole 131 penetrating the eccentricity adjustment member 130 for receiving the fixing member 140. The eccentric distance may be set such that the mount 140 can fix the bracket 110 to the mounting point at the mounting axis.
In a preferred embodiment, the eccentric adjustment hole 121 and the eccentric adjustment member 130 may be rotationally symmetric about the rotational axis. At this time, the maximum value of the eccentricity distance may be set to one-half of the length of the eccentricity adjustment hole. The rotationally symmetric design allows the direction of the offset of the eccentricity distance to be changed by changing the direction of the eccentricity adjustment 130.
The eccentricity adjustment hole 121 may be a linearly extending slit hole in a plane parallel to the installation plane, and the eccentricity adjustment member 130 is a cylindrical block having a long and narrow cross section. In the preferred embodiment shown in the drawings, the eccentric adjustment hole 121 and eccentric adjustment member 130 have an oblong profile. The long circular profile is a runway-shaped profile, the long and narrow two ends of the long and narrow profile are in arc shapes, and a straight part is arranged between the two ends. Referring to fig. 6, a series (six are shown in fig. 6) of eccentric adjusters 130 in which the fixing member mounting holes 131 are gradually offset toward one side from the central position of the oblong profile may be preferably provided for appropriately adjusting the eccentric position.
As shown in FIG. 1, the anchor fixture 100 may also preferably include a sleeve 150. The sleeve 150 may extend from below the angle adjuster 120 into between the eccentric adjustment hole 121 and the eccentric adjustment 130, and as the angle adjuster 120 rotates about the rotational axis, the sleeve 150 includes a sleeve flange 151 at a lower end that extends parallel to the mounting plane, at least a portion of the sleeve flange 151 extending below the bracket 110. The sleeve 150 may have a stepped configuration to engage respective corresponding portions of the anchor fixture, as can be seen in particular in the cross-sectional views of fig. 3 and 4. Those skilled in the art can design the specific structure of the sleeve 150 according to actual requirements, for example, more or less steps are provided, and will not be described herein again. It will also be appreciated by those skilled in the art that where a sleeve 150 is provided, for the eccentric adjustment member 130, the sleeve 150 retracts the eccentric adjustment bore 121 to the inner periphery of the sleeve, while for the eccentric adjustment bore 121, the sleeve 150 expands the portion of the eccentric adjustment member 130 that engages the eccentric adjustment bore 121 to the outer periphery of the sleeve 150 that engages the eccentric adjustment bore 121.
With continued reference to fig. 1-4, anchor fixture 100 may further include a clamp assembly 160. The platen assembly 160 may be disposed above the sleeve 150, and the platen assembly 160 may be shaped so as to allow both the sleeve 150 and the bracket 110 to be pressed downward by the platen assembly 160.
Specifically, in a preferred embodiment, the platen assembly 160 includes an upper platen 161 and a lower platen 162 provided with opposing insections and engaged by the insections such that the upper platen 161 can be offset in a mounting orientation by an eccentric distance relative to the lower platen 162. More specifically, in the embodiment shown in the figures, the insections are straight insections.
In a preferred embodiment, the fixing member 140 may be a screw. The screw head of the screw presses down on the upper pressing plate 161, and the screw passes through the upper pressing plate 161, the lower pressing plate 162, and the eccentric adjusting member 130 in this order downward to reach the mounting point. In addition, the securing member 140 may take the form of other conventional threaded fasteners, such as bolts. The fasteners 140 may also be specially designed to press directly against the bracket 110, thereby eliminating the platen assembly 160.
In the case of the platen assembly 160, generally, the lower platen 162 is stationary with respect to the frame 110, while the upper platen 161 is movable with respect to the lower platen 162 by the above-described insections. To receive fasteners 140, such as screws, the upper pressure plate 161 may include through holes that allow the fasteners 140 to pass therethrough, and the lower corrugated plate 4 may include elongated holes that cooperate with the through holes of the upper pressure plate 161 to receive fasteners 140, such as threaded portions of screws.
For example, referring to fig. 1, a person skilled in the art can arrange suitable gaskets between the various parts in contact with each other according to actual requirements to meet the corresponding installation requirements.
In using the anchor fixture according to the present invention, the fixing member 140 will always engage with a fixed mounting point on the floor frame, allowing the position of the bracket 110 of the anchor fixture 100 in the mounting plane to be adjusted relative to the fixing member 140 fixed to the floor frame by using a suitable eccentric adjustment 130 to bring the anchor fixture 100 close to the installed equipment in the mounting plane.
While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.
These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

Claims (10)

1. An anchor fixing device (100) for fixedly coupling equipment to be installed with a mounting point on a floor, characterized in that,
the anchor fixing device (100) includes:
the bracket (110), the bracket (110) defines a mounting plane for directly connecting with the equipment, and the bracket (110) is provided with a bracket hole (111);
an angle adjuster (120), the angle adjuster (120) defining an axis of rotation perpendicular to the mounting plane, the angle adjuster (120) being rotatable relative to the bracket (110) about the axis of rotation and fixed relative to the bracket (110) in a plurality of mounting orientations by engagement with the bracket aperture (111);
an eccentric adjustment member (130), the eccentric adjustment member (130) defining a mounting axis parallel to and at an eccentric distance from the rotational axis, the eccentric adjustment member (130) rotating about the rotational axis following the angular adjustment member (120);
a mount (140), the off-center distance being set such that the mount (140) can secure the bracket (110) to the mounting point at the mounting axis.
2. An anchor fixture (100) according to claim 1,
the bracket aperture (111) comprises an internal tooth profile;
the angle adjuster (120) comprises an external toothed profile; and is
The internal and external tooth profiles cooperate to define the mounting orientation.
3. An anchor fixture (100) according to claim 2,
the inner and outer tooth profiles are conical teeth tapering down along the axis of rotation.
4. An anchor fixture (100) according to claim 1,
the angle adjustment member (120) comprises an eccentric adjustment hole (121), the eccentric adjustment hole (121) extending through the angle adjustment member (120) for receiving the eccentric adjustment member (130), the eccentric adjustment hole (121) being shaped such that the eccentric adjustment member (130) is fixed relative to the angle adjustment member (120) in a plane parallel to the mounting plane.
5. An anchor fixture (100) according to claim 4,
in a plane parallel to the mounting plane, the eccentric adjustment hole (121) is a linearly extending slit hole, and the eccentric adjustment member (130) is a cylindrical block having a long and narrow cross section.
6. An anchor fixture (100) according to claim 5,
the eccentric adjusting piece (130) is provided with a fixing piece mounting hole (131) penetrating through the eccentric adjusting piece (130) at the mounting axis and used for receiving the fixing piece (140).
7. An anchor fixture (100) according to claim 4,
the anchor fixing apparatus (100) further includes a sleeve (150), the sleeve (150) extending from below the angle adjuster (120) into between the eccentric adjustment hole (121) and the eccentric adjustment member (130), and as the angle adjuster (120) rotates about the rotation axis, the sleeve (150) includes a sleeve flange (151) at a lower end extending parallel to the mounting plane, at least a portion of the sleeve flange (151) extending below the bracket (110).
8. An anchor fixture (100) according to claim 7,
the anchor fixture (100) further includes a platen assembly (160), the platen assembly (160) being disposed above the sleeve (150), and the platen assembly (160) being shaped so as to allow both the sleeve (150) and the bracket (110) to be pressed downward through the platen assembly (160).
9. An anchor fixture (100) according to claim 8,
the platen assembly (160) includes an upper platen (161) and a lower platen (162) provided with opposing insections and engaged by the insections such that the upper platen (161) is capable of being offset in the installed orientation relative to the lower platen (162) by the over-center distance.
10. An anchor fixture (100) according to claim 9,
the fixing piece (140) is a screw, the screw head of the screw is pressed down on the upper pressure plate (161), and the screw penetrates through the upper pressure plate (161), the lower pressure plate (162) and the eccentric adjusting piece (130) downwards in sequence to reach the mounting point.
CN202110184075.XA 2021-02-10 2021-02-10 Foot margin fixing device Active CN113007500B (en)

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CN113007500B true CN113007500B (en) 2022-04-05

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