Arm bracket

Abstract

The utility model provides an arm bracket. The arm bracket comprises a fixing part, a supporting part and an adjusting mechanism, the fixing part is suitable for being fixed on an inspection table; the supporting part is provided with a first supporting arm and a second supporting arm, the second supporting arm is provided with a supporting plate capable of swinging so as to swing between a patient and the examination table, the second supporting arm is telescopically connected with the first supporting arm, and the first supporting arm is connected with the fixing part in a swinging mode; the adjusting mechanism is arranged at the connecting position of the first supporting arm and the fixing part and provided with a one-way gear ring and elastic teeth arranged in the one-way gear ring, and the elastic teeth are movably arranged at the first position and the second position. When the elastic teeth are matched with the one-way gear ring so that the supporting part can unidirectionally swing in the direction close to the examination table at the second position, the elastic teeth are separated from the one-way gear ring, and the supporting part can bidirectionally swing in the directions close to and away from the examination table. The arm bracket is simple in structure, convenient to adjust and capable of effectively supporting arms of patients with different figures.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to an arm bracket. BACKGROUND

[0002] When some long time ophthalmic project is checked, the arm of the patient is in the state of no support for a long time, and the head needs to be kept still to make the eye be checked by the instrument or the doctor, so that the arm of the patient is easy to be tired, and the head of the patient is not kept, the patient is uncomfortable, and the eye check is not carried out smoothly, therefore, an arm bracket is needed to assist the support of the arm of the patient, and the eye check of the patient is carried out smoothly. SUMMARY

[0003] The utility model discloses at least one of the above technical problems is solved to some extent.

[0004] To achieve the above object, the utility model provides an arm bracket, it includes: fixed part, support part and adjusting mechanism,

[0005] The fixed part is suitable for fixing on the examination table,

[0006] The support part has first support arm and second support arm, the second support arm is equipped with the support plate that can swing to swing between the patient and the examination table, the second support arm is connected with first support arm telescopically to adjust the height of support plate, the first support arm is connected with the fixed part swingably to adjust the distance between support plate and patient,

[0007] The adjusting mechanism is arranged at the connecting place of the first support arm and the fixed part, the adjusting mechanism has one way tooth ring and the elastic tooth that sets up in one way tooth ring, the elastic tooth is movably arranged at the first position and the second position, when the first position, the elastic tooth is fitted in the one way tooth ring to make the support part can one way swing to the direction close to the examination table and adjust the swing angle of support part, when the second position, the elastic tooth is separated from the one way tooth ring, the support part can swing in the direction close to and away from the examination table, and the swing angle of the support part is adjusted.

[0008] According to the arm support, the fixing of the overall support is realized through the fixing of the fixing part and the examination table, the support part and the fixing part are swingably connected, and the support part is provided with the telescopic structure, so that the height of the support plate on the support part and the position of the support plate supporting the arm of the patient are adjusted, the swing angle of the support part is kept through the adjusting mechanism between the support part and the fixing part, and the support plate is swingably connected with the support part after the swing angle is adjusted, so that the arm of the patient can be freely attached, and the arm of the patient with different sizes is better supported.

[0009] In addition, the arm support according to the above-mentioned embodiment of the utility model can also have the following additional technical features:

[0010] Optionally, the fixing part comprises a fixing seat and a connecting seat, the fixing seat is provided with a fixing port capable of being fixed with the examination table, the adjusting mechanism is arranged between the first support arm and the connecting seat, and the connecting seat is swingably connected with the fixing seat in the horizontal direction.

[0011] Further, the connecting seat is provided with a first rotating shaft, the fixing seat is provided with a connecting hole matched with the first rotating shaft, a plurality of first positioning holes are arranged on the outer circumferential surface of the first rotating shaft, a first elastic abutting piece is arranged in the connecting hole, and the first elastic abutting piece can be matched with the first positioning hole to temporarily keep the rotating angle of the connecting seat.

[0012] Further, the second support arm comprises a connecting piece, the support plate is swingably connected with the connecting piece, and the connecting piece is self-rotatably connected with the second support arm.

[0013] Optionally, a plurality of second positioning holes are arranged on the first support arm in the length direction, and a second elastic abutting piece matched with the second positioning hole is arranged on the second support arm, so as to keep the distance between the second support arm and the first support arm.

[0014] Optionally, the first support arm defines a first mounting hole, a one-way tooth ring capable of swinging synchronously with the first support arm is arranged in the first mounting hole, the connecting seat defines a second mounting hole, a second rotating shaft capable of moving is arranged through the first mounting hole and the second mounting hole, the second mounting hole can limit the rotation of the second rotating shaft, the second rotating shaft is provided with the elastic tooth, and the second rotating shaft can drive the elastic tooth to move between the first position and the second position. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the arm support according to the embodiment of the utility model;

[0016] Figure 2 for Figure 1 A cross-sectional view along BB;

[0017] Figure 3 This is a partial structural schematic diagram of the arm support according to an embodiment of the present utility model;

[0018] Figure 4 This is a magnified view of point A in the figure;

[0019] Figure 5 This is a schematic diagram of the structure of the second rotating shaft and the connecting seat according to an embodiment of the present utility model;

[0020] Explanation of reference numerals in the attached figures:

[0021] Fixed part 1, fixed seat 11, connecting hole 111, first elastic abutment member 112, connecting seat 12, first rotating shaft 121, first positioning hole 122, second mounting hole 123, support part 2, first support arm 21, second positioning hole 211, first mounting hole 212, second support arm 22, connecting member 221, second elastic abutment member 222, support plate 23, one-way toothed ring 24, elastic tooth 25, second rotating shaft 26, handle 261. Detailed Implementation

[0022] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0023] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0024] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0025] The following is for reference. Figures 1-5 The implementation of the arm support proposed according to the embodiments of the present utility model will be described in detail.

[0026] The arm support according to an embodiment of the present invention includes: a fixing part 1, a supporting part 2, and an adjustment mechanism.

[0027] Specifically, the fixed part 1 is adapted to be fixed on the examination table; the support part 2 has a first support arm 21 and a second support arm 22, the second support arm 22 is provided with an oscillatable support plate 23 to oscillate between the patient and the examination table, the second support arm 22 is telescopically connected to the first support arm 21 to adjust the height of the support plate 23, the first support arm 21 is oscillatably connected to the fixed part 1 to adjust the distance between the support plate 23 and the patient; the adjusting mechanism is arranged at the connection between the first support arm 21 and the fixed part 1, the adjusting mechanism has a one-way tooth ring 24 and a resilient tooth 25 arranged in the one-way tooth ring 24, the resilient tooth 25 is movably arranged at a first position and a second position, at the first position, the resilient tooth 25 is fitted in the one-way tooth ring 24 to enable the support part 2 to oscillate unidirectionally towards the examination table to adjust the oscillation angle of the support part 2, at the second position, the resilient tooth 25 is disengaged from the one-way tooth ring 24, the support part 2 can oscillate bidirectionally towards and away from the examination table to adjust the oscillation angle of the support part 2.

[0028] That is, the whole bracket can be directly connected with the examination table through the fixed part 1 to fix the whole bracket; the first support arm 21 and the second support arm 22 are telescopically arranged to facilitate the adjustment of the height of the support plate 23 on the second support arm 22, which is beneficial to the support of the arms of patients with different body shapes; the oscillatable connection of the first support arm 21 and the fixed part 1 facilitates the synchronous oscillation of the support plate 23 and the first support arm 21 and the second support arm 22, and the movement of the resilient tooth 25 of the adjusting mechanism between the first position and the second position enables the switching between unidirectional adjustment and bidirectional adjustment, and the unidirectional adjustment can automatically maintain the adjusted angle, which improves the adjustment speed and the comfort of the patient; after the whole adjustment of the distance between the first support arm 21, the second support arm 22 and the support plate 23 and the patient, the support surface of the support plate 23 is in a non-horizontal state, and the oscillatable arrangement of the support plate 23 relative to the second support arm 22 facilitates the self-adhesion of the support plate 23 to the arm of the patient when supporting the arm, thereby improving the comfort.

[0029] Therefore, the fixation of the whole bracket is realized by the fixation of the fixed part 1 and the examination table, the adjustment of the height of the support plate 23 on the support part 2 and the position of the support plate 23 for supporting the arm of the patient is realized by the oscillatable connection of the support part 2 and the fixed part 1 and the telescopic arrangement of the support part 2 itself, the oscillation angle of the support part 2 is maintained by the adjusting mechanism between the support part 2 and the fixed part 1, and the support plate 23 can freely adhere to the arm of the patient after the adjustment of the oscillation angle, thereby better supporting the arms of patients with different body shapes. The arm support has a simple structure, is convenient to adjust, and can effectively support the arms of patients with different body shapes.

[0030] Optionally, the fixing part 1 comprises a fixing base 11 and a connecting base 12, the fixing base 11 is provided with a fixing port capable of being fixed with the examination table, the first supporting arm 21 is provided with an adjusting mechanism between the first supporting arm 21 and the connecting base 12, and the connecting base 12 is swingably connected with the fixing base 11 in the horizontal direction. It can be understood that the fixing port is arranged to facilitate the fixation of the fixing base 11 with the upper table surface and the lower table surface of the examination table, so as to fix the whole bracket; the connecting base 12 is swingably connected with the fixing base 11 in the horizontal direction, so that the connecting base 12 can swing relative to the fixing base 11 in the horizontal direction, and the supporting plate 23 is driven to swing in the horizontal direction, matching the width of the two arms of the patient. The fixing port can be fixed with the examination table by cooperating with the bolt of the handle 261.

[0031] Further, the connecting base 12 is provided with a first rotating shaft 121, the fixing base 11 is provided with a connecting hole 111 matched with the first rotating shaft 121, the outer circumferential surface of the first rotating shaft 121 is provided with a plurality of first positioning holes 122, and the connecting hole 111 is provided with a first elastic abutting piece 112 capable of cooperating with the first positioning hole 122 to temporarily keep the rotating angle of the connecting base 12. It can be understood that the first rotating shaft 121 is arranged to facilitate cooperation with the connecting hole 111 of the fixing base 11, so that the connecting base 12 can swing relative to the fixing base 11 in the horizontal direction, and the cooperation of the first positioning hole 122 and the first elastic abutting piece 112 can temporarily keep the relative fixation between the connecting base 12 and the fixing base 11. By applying a certain external force, the swinging angle of the connecting base 12 can be adjusted, which is convenient for adjustment and can enhance the hand feeling of adjustment. The first elastic abutting piece 112 can be a ball head top pin, and the first positioning hole 122 can be a long groove.

[0032] Further, the second supporting arm 22 comprises a connecting piece 221, the supporting plate 23 is swingably connected with the connecting piece 221, and the connecting piece 221 is self-rotatably connected with the second supporting arm 22. The connecting piece 221 is arranged to facilitate the swing and self-rotation of the supporting plate 23, so as to compensate for the swing of the first supporting arm 21 between the patient and the examination table and the angle of the swing of the connecting base 12, so that the supporting plate 23 better fits the arms of the patient, and the use comfort can be improved. The connecting piece 221 can be in the shape of T.

[0033] Optionally, the first support arm 21 is provided with a plurality of second positioning holes 211 along the length direction, and the second support arm 22 is provided with a second elastic abutting piece 222 matched with the second positioning hole 211, so as to keep the distance of the second support arm 22 extending out of the first support arm 21. It can be understood that, through the cooperation of the second positioning hole 211 and the second elastic abutting piece 222, the fixing of the second support arm 22 after adjusting the extension length can be facilitated, and when adjustment is needed, the second elastic abutting piece 222 can be pressed, and then the second support arm 22 or the support plate 23 can be stretched to adjust the height of the support plate 23, thereby improving the versatility of the overall bracket. The second elastic abutting piece 222 can be a pin cooperating with a spring.

[0034] Optionally, the first support arm 21 defines a first mounting hole 212, the first mounting hole 212 is provided with a one-way tooth ring 24 capable of swinging synchronously with the first support arm 21, the connecting seat 12 defines a second mounting hole 123, the first mounting hole 212 and the second mounting hole 123 are provided with a movable second rotating shaft 26, the second mounting hole 123 can limit the rotation of the second rotating shaft 26, the second rotating shaft 26 is provided with an elastic tooth 25, and the second rotating shaft 26 can drive the elastic tooth 25 to move between a first position and a second position. It can be understood that, through the second rotating shaft 26, the relative swinging between the first support arm 21 and the fixed seat 11 can be realized, the second rotating shaft 26 is movable relative to the fixed seat 11, and the fixed seat 11 can limit the rotation of the second rotating shaft 26, so that the elastic tooth 25 can be relatively fixed in the axial direction and movable on the axis, thereby facilitating the movement of the elastic tooth 25 between the first position and the second position, and the mode of swinging the support plate 23 as a whole. The outer side wall of the first mounting hole 212 is provided with an end cover, the end cover is provided with a through hole for the second rotating shaft 26 to extend out, the second rotating shaft 26 is connected with a handle 261 capable of pulling the second rotating shaft 26 to move, and the middle section of the second rotating shaft 26 can be provided with a triangular or square cross section matched with the first mounting hole 212, and the two ends can be circular; so that the second mounting hole 123 can limit the rotation of the second rotating shaft 26, and the first support arm 21 and the connecting seat 12 can relatively rotate.

[0035] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any meaning pertaining to the quantity of the features being described. Thus, a feature defined with "first", "second", etc. can include one or more of the features implicitly or explicitly. In the description of the present application, the meaning of "several" is two or more than two, unless otherwise explicitly specified and limited.

[0037] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or it can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application.

[0040] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. An arm support, characterized in that The utility model relates to a medical examination support device, including: Fixed part, support part and adjusting mechanism; The fixed part is suitable for fixing on the examination table; The support part has first support arm and second support arm, is equipped with the support board that can swing on the second support arm to swing between patient and examination table, the second support arm can telescopically connect first support arm to adjust the height of support board, first support arm can swingably connect fixed part to adjust the distance between support board and patient; The adjusting mechanism is arranged at the connection of the first support arm and the fixed part, the adjusting mechanism has one-way tooth ring and the elastic tooth arranged in one-way tooth ring, the elastic tooth is movably arranged at the first position and the second position, when the first position, the elastic tooth is fitted in the one-way tooth ring to make the support part can unidirectionally swing to the direction close to examination table and adjust the swing angle of support part, when the second position, the elastic tooth is separated from the one-way tooth ring, the support part can swing in the direction close to and away from examination table bidirectionally, and the swing angle of support part is adjusted.

2. The arm support of claim 1, wherein, The fixed part includes fixed seat and connecting seat, the fixed seat is equipped with the fixed mouth that can be fixed with examination table, the adjusting mechanism is arranged between the first support arm and the connecting seat, and the connecting seat is swingably connected to the fixed seat in the horizontal direction.

3. The arm support of claim 2, wherein, The connecting seat is provided with a first rotating shaft, the fixed seat is provided with a connecting hole matched with the first rotating shaft, a plurality of first positioning holes are arranged on the outer circumferential surface of the first rotating shaft, and a first elastic abutting member is arranged in the connecting hole.

4. The arm support of claim 2, wherein, The second support arm includes a connecting piece, the support plate is swingably connected to the connecting piece, and the connecting piece is self-rotatably connected to the second support arm.

5. The arm support of claim 1, wherein, The first support arm is provided with a plurality of second positioning holes along the length direction, and the second support arm is provided with a second elastic abutting member matched with the second positioning hole to keep the distance of the second support arm extending out of the first support arm.

6. The arm support of claim 2, wherein, The first support arm defines a first mounting hole, a one-way tooth ring that can swing synchronously with the first support arm is arranged in the first mounting hole, the connecting seat defines a second mounting hole, a second rotating shaft that can move is arranged through the first mounting hole and the second mounting hole, the second mounting hole can limit the rotation of the second rotating shaft, the second rotating shaft is provided with the elastic tooth, and the second rotating shaft can drive the elastic tooth to move between the first position and the second position.

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