Multifunctional support and shadowless lamp

Abstract

The multifunctional support is applied to the shadowless lamp, a spring arm of the shadowless lamp is provided with a first adapting hole in the first direction, and the multifunctional support comprises a connecting shaft assembly, a first joint assembly, a second joint assembly and an adapting piece. The connecting shaft assembly is rotationally arranged in the first adapter hole in the first direction; the first joint assembly is connected to the side, away from the spring arm, of the rotating shaft assembly. The second joint assembly is rotationally connected to the first joint assembly in the direction perpendicular to the first direction. The adapter is connected to the side, away from the first joint base, of the second joint assembly, and the side, away from the second joint assembly, of the adapter is provided with an adapter face. According to the scheme, installation of other devices such as a displayer is achieved, and further functional requirements of medical staff can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a multifunctional bracket and a shadowless lamp. Background Art

[0002] Shadowless lamp is one of the important medical equipment in the operating room. Medical staff can use shadowless lamp to achieve shadow-free lighting at the patient's operation site, thereby helping doctors to clearly distinguish the lesion tissue and successfully complete the operation.

[0003] In the related art, the shadowless lamp includes a spring arm and a lamp head, one end of the spring arm is provided with an adapter hole, and one end of the lamp head is directly plugged into the adapter hole. However, the adapter hole of the spring arm is mainly used to install the lamp head, which is not convenient for installing other equipment such as a display, and is not conducive to meeting the further functional requirements of medical staff. Utility Model Content

[0004] The utility model aims to provide a shadowless lamp, aiming to realize the installation of the shadowless lamp on other equipment such as a display, which is conducive to meeting the further functional requirements of medical staff.

[0005] In order to achieve the above-mentioned purpose, the utility model proposes a multifunctional bracket, which is applied to a shadowless lamp. The spring arm of the shadowless lamp is provided with a first adapter hole along a first direction. The multifunctional bracket includes a connecting shaft assembly, a first joint assembly, a second joint assembly and an adapter. The connecting shaft assembly is rotatable around the first direction and is arranged at the first adapter hole; the first joint assembly is connected to the side of the connecting shaft assembly away from the spring arm; the second joint assembly is rotatably connected to the first joint assembly around a direction perpendicular to the first direction; the adapter is connected to the side of the second joint assembly away from the first joint assembly, and an adapter surface is provided on the side of the adapter away from the second joint assembly.

[0006] Optionally, the connecting shaft assembly includes a rotating shaft and two rotating stoppers, the rotating shaft is provided with a rotating surface on a surface facing the first adapter hole, a first plug-in portion is convexly provided on a side of the rotating surface facing the first adapter hole, the first plug-in portion is rotatably inserted in the first adapter hole, and the two rotating stoppers are circumferentially spaced on the rotating surface along the rotation direction of the first plug-in portion;

[0007] A rotation limiting part is protruded from the opening edge of the first adapter hole. Driven by the rotation of the plug-in part, one rotation limiting part is limited to one side of the rotation limiting part, and the other rotation limiting part is limited to the other side of the rotation limiting part.

[0008] Optionally, the rotating surface is provided with at least two rotation positioning holes, and the plurality of rotation positioning holes are arranged at intervals along the rotation direction of the first plug-in portion, one rotation limiting member is partially plugged into one rotation positioning hole, and another rotation limiting member is partially plugged into another rotation positioning hole.

[0009] Optionally, the first joint assembly includes a first joint seat and a pitch axis, the first joint seat is connected to a side of the rotation axis away from the first adapter hole, a receiving groove is recessed on a side of the first joint seat facing the second joint assembly, and two ends of the pitch axis are connected to the groove wall of the receiving groove;

[0010] The second joint component is provided with a rotation hole, and the rotation axis of the pitch axis is also passed through the rotation hole, so that the second joint component can rotate around the pitch axis.

[0011] Optionally, the second joint assembly is provided with a pitch limit hole parallel to the axial direction of the pitch axis, and the pitch limit hole extends along the rotation direction of the second joint assembly. The first joint assembly also includes a pitch limit piece, and the pitch limit piece and the pitch axis are spaced apart from each other on the slot wall of the receiving slot and passed through the pitch limit hole to limit the rotation of the second joint assembly.

[0012] Optionally, the second joint assembly includes a second joint seat and a handle, the second joint seat is provided with the rotating hole, an end of the second joint seat away from the first joint seat is provided with a fixing hole, and one end of the handle is penetrated and connected to the fixing hole.

[0013] Optionally, a second adapter hole is recessed at one end of the rotating shaft facing the first joint seat, a first mounting hole is penetrated through the hole wall of the second adapter hole, a second plug-in portion is convexly provided on the first joint seat, the second plug-in portion is inserted along the hole depth direction of the mounting hole, a first connecting hole is opened on the second plug-in portion perpendicular to the plug-in direction, and a first fastener passes through the first connecting hole and the first mounting hole in sequence to connect the first joint seat to the rotating shaft.

[0014] Optionally, there are multiple first mounting holes and multiple first connecting holes, multiple first mounting holes are spaced apart in the hole depth direction of the second adapter hole, multiple first connecting holes are spaced apart in the plug-in direction of the second plug-in part, and a first fastener passes through one first mounting hole and one first connecting hole in sequence.

[0015] Optionally, a third adapter hole is formed on a side of the second joint component facing the adapter, the adapter has a connecting hole, and a second fastener passes through the connecting hole and the adapter hole in sequence to connect the adapter to the second joint component.

[0016] The utility model also proposes a shadowless lamp, which includes at least two spring arms, a lamp head and the multifunctional bracket as described above, wherein the lamp head is connected to one end of one of the spring arms; and the connecting shaft assembly is rotatably connected to the other spring arm.

[0017] In the technical solution of the utility model, the shadowless lamp is provided with a multifunctional bracket, the connecting shaft assembly is rotatably arranged in the adapter hole of the spring arm along the first direction, the first joint assembly is connected to the connecting shaft assembly, the second joint assembly is rotatably connected to the first joint assembly along the direction perpendicular to the first direction, the adapter assembly is connected to the second joint assembly, and a transfer surface for transferring equipment is provided. Therefore, compared with the transfer hole of the spring arm which cannot be used to install other equipment, the present solution provides rotation adjustment in the first direction and perpendicular to the first direction through the multifunctional bracket, and provides a transfer piece for transferring equipment, which is conducive to realizing the installation of other equipment such as a display, and is conducive to meeting the further functional requirements of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 This is a schematic structural diagram of an embodiment of the multifunctional bracket of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure of;

[0021] Figure 3 for Figure 1 A schematic diagram of the structure of the multifunctional bracket;

[0022] Figure 4 for Figure 3 Schematic diagram of the exploded structure of the multifunctional bracket shown;

[0023] Figure 5 for Figure 4 A schematic diagram of the structure of the middle connecting shaft assembly;

[0024] Figure 6 for Figure 4 A schematic diagram of the structure of the first joint seat;

[0025] Figure 7 for Figure 4 Schematic diagram of the structure of the second joint seat.

[0026] Description of Figure Numbers:

[0027]

[0028]

[0029] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0034] Shadowless lamp is one of the important medical equipment in the operating room. Medical staff can use shadowless lamp to achieve shadow-free lighting at the patient's operation site, thereby helping doctors to clearly distinguish the lesion tissue and successfully complete the operation.

[0035] In the related art, the shadowless lamp includes a spring arm and a lamp head, one end of the spring arm is provided with an adapter hole, and one end of the lamp head is directly plugged into the adapter hole. However, the spring arm is mainly used to install the lamp head, which is not convenient for installing other equipment such as a display, and is not conducive to meeting the further functional requirements of medical staff.

[0036] In order to solve the above problems, the utility model proposes a shadowless lamp 100, which aims to realize the installation of other equipment such as a display 90, which is conducive to meeting the further functional requirements of medical staff.

[0037] Reference Figures 1 to 7 In one embodiment of the utility model, the multifunctional bracket 10 is applied to a shadowless lamp 100, and the spring arm 80 of the shadowless lamp 100 is provided with a first adapter hole along a first direction. The multifunctional bracket 10 includes a connecting shaft assembly 1, a first joint assembly 3, a second joint assembly 5 and an adapter 61. The connecting shaft assembly 1 is rotatably arranged in the first adapter hole around the first direction; the first joint assembly 3 is connected to the side of the connecting shaft assembly 1 away from the spring arm 80; the second joint assembly 5 is rotatably connected to the first joint assembly 3 around a direction perpendicular to the first direction; the adapter 61 is connected to the side of the second joint assembly 5 away from the first joint assembly 3, and a transfer surface 611 is provided on the side of the adapter 61 away from the second joint assembly 5.

[0038] Among them, one end of the rotating shaft 11 of the rotating shaft assembly 1 can be inserted into the clamping hole of the spring arm, and is clamped with the shaft elastic clamp in the spring arm 80 through the rotating groove 1131 to realize the rotating connection of the rotating shaft 11 to the spring arm 80.

[0039] In the technical solution of the present utility model, the shadowless lamp 100 is provided with a multifunctional bracket 10, the connecting shaft assembly 1 is rotatably arranged in the first direction on the adapter hole of the spring arm 80, the first joint assembly 3 is connected to the connecting shaft assembly 1, the second joint assembly 5 is rotatably connected to the first joint assembly 3 in a direction perpendicular to the first direction, the adapter assembly is connected to the second joint assembly 5, and a transfer surface 611 for transferring equipment is provided. Therefore, compared with the transfer hole of the spring arm which cannot be used to install other equipment, the present solution provides rotation adjustment in the first direction and perpendicular to the first direction through the multifunctional bracket 10, and provides an adapter 61 for transferring equipment, which is conducive to realizing the installation of other equipment such as the display 90, and is conducive to meeting the further functional requirements of medical staff.

[0040] Reference Figures 2 to 5 In one embodiment of the utility model, the connecting shaft assembly 1 includes a rotating shaft 11 and two rotating stoppers 13. The rotating shaft 11 is provided with a rotating surface 111 on a surface facing the first transfer hole. A first plug-in portion 113 is convexly provided on a side of the rotating surface 111 facing the first transfer hole. The first plug-in portion 113 is rotatably inserted in the first transfer hole. The two rotating stoppers 13 are circumferentially spaced apart on the rotating surface 111 along the rotation direction of the first plug-in portion 113.

[0041] A rotation limiting portion is protruded from the opening edge of the first adapter hole. Driven by the rotation of the plug-in portion, one rotation limiting member 13 is limited to one side of the rotation limiting portion, and the other rotation limiting member 13 is limited to the other side of the rotation limiting portion.

[0042] In this embodiment, the two rotation limiting members 13 are respectively limited at two sides of the rotation limiting portion to achieve rotation limiting of the rotation shaft 11 in the first adapter hole, thereby adjusting the rotation range of the rotation shaft 11 in the first adapter hole.

[0043] For example, to facilitate the setting of the lines in the adapter hole, when the plug-in part rotates in the first adapter hole, the two rotation limit members 13 and the rotation limit part raised by the first adapter hole are used to limit the rotation range of the rotating shaft 11 within 340°. In the other 20° range, the rotating shaft 11 cannot continue to rotate due to the abutment limit of the rotation transfer part.

[0044] Reference Figure 5 In one embodiment of the utility model, the rotating surface 111 is provided with at least two rotation positioning holes 116, and the plurality of rotation positioning holes 116 are arranged at intervals along the rotation direction of the first plug-in portion 113, one rotation limiter 13 is partially inserted into one rotation positioning hole 116, and another rotation limiter 13 is partially inserted into another rotation positioning hole 116.

[0045] In this embodiment, a plurality of rotation positioning holes 116 are provided on the rotation surface 111. When the rotation range of the rotation shaft 11 in the first adapter hole needs to be adjusted, the corresponding rotation stopper 13 is inserted into the rotation positioning hole 116, and the portion of the rotation stopper 13 exposed in the rotation stopper hole and the rotation stopper are limitedly matched. Therefore, this solution can conveniently realize the regulation of the rotation range of the rotation shaft 11 to meet the user's needs for the adapter of different devices.

[0046] Optionally, the rotation limiting member 13 is a limiting pin.

[0047] Reference Figure 3 , Figure 6 and Figure 7In one embodiment of the present invention, the first joint assembly 3 includes a first joint seat 31 and a pitch axis 33. The first joint seat 31 is connected to the side of the rotation axis 11 away from the first adapter hole. The first joint seat 31 is provided with a receiving groove 315 on the side facing the second joint assembly 5. Both ends of the pitch axis 33 are connected to the groove wall of the receiving groove 315.

[0048] The second joint assembly 5 is provided with a rotation hole 511 , and the rotation axis 11 of the pitch axis 33 is also passed through the rotation hole 511 , so that the second joint assembly 5 can rotate around the pitch axis 33 .

[0049] In this embodiment, the second joint assembly 5 can drive the adapter 61 to pitch by rotating around the pitch rotation axis 11. When the adapter 61 is connected to other devices such as a display 90, the pitch angle can be conveniently achieved, thereby improving the user experience.

[0050] Reference Figure 3 , Figure 6 and Figure 7 In one embodiment of the utility model, the second joint component 5 is provided with a pitch limit hole 513 parallel to the axial direction of the pitch axis 33, and the pitch limit hole 513 extends along the rotation direction of the second joint component 5. The first joint component 3 also includes a pitch limit member 35, and the pitch limit member 35 and the pitch axis 33 are spaced apart from each other on the groove wall of the receiving groove 315, and are penetrated through the pitch limit hole 513 to limit the rotation of the second joint component 5.

[0051] In this embodiment, when the second joint component 5 rotates around the pitch axis 33 of the first joint component 3, the first joint component 3 is also penetrated by the pitch limiter 35 in the pitch limiter hole 513 of the second joint component 5 to adjust the rotation range of the second joint component 5, and play a certain supporting role for the second joint component 5, which is conducive to achieving stable pitch of the second joint.

[0052] Reference Figure 3 and Figure 4 In one embodiment of the utility model, the second joint assembly 5 includes a second joint seat 51 and a handle 53, the second joint seat 51 is provided with the rotating hole 511, the end of the second joint seat 51 away from the first joint seat 31 is provided with a fixing hole 515, and one end of the handle 53 is penetrated and connected to the fixing hole 515.

[0053] In this embodiment, when the pitch of the second joint seat 51 needs to be adjusted, the handle 53 is pulled to drive the second joint seat 51 to pitch around the pitch axis 33, thereby facilitating the adjustment of the pitch angle of the second joint seat 51, thereby improving the user experience.

[0054] Optionally, the handle 53 includes a handle body 531 and a third fastener 533 . The handle body 531 is passed through the second joint seat 51 and is fastened to the second joint seat through the third fastener 533 .

[0055] Reference Figures 3 to 7 In one embodiment of the utility model, a second adapter hole 117 is recessed at one end of the rotating shaft 11 facing the first joint seat 31, a first mounting hole 118 is penetrated through the hole wall of the second adapter hole 117, a second plug-in portion 311 is protruded from the first joint seat 31, the second plug-in portion 311 is inserted along the hole depth direction of the first mounting hole 118, a first connecting hole 313 is opened on the second plug-in portion 311 perpendicular to the plug-in direction, a first fastener 317 is sequentially penetrated through the first connecting hole 313 and the first mounting hole 118 to connect the first joint seat 31 to the rotating shaft 11.

[0056] In this embodiment, the first joint seat 31 is connected to the mounting hole of the connecting shaft assembly 1 through the first fastener 317, so that when the connecting shaft assembly 1 rotates around the first direction, the first joint seat 31 can be driven to rotate. This solution is conducive to the rapid assembly of the first joint seat 31 and the connecting shaft assembly 1 by fastener connection and limiting.

[0057] Optionally, the first fastener 317 is protruded from a side of the first joint seat 31 facing the mounting hole, and the first fastener 317 and the first joint seat 31 are integrally formed.

[0058] Reference Figures 3 to 7 In one embodiment of the utility model, the number of the first mounting holes 118 and the first connecting holes 313 is multiple, the multiple first mounting holes 118 are spaced apart along the hole depth direction of the second adapter hole 117, the multiple first connecting holes 313 are spaced apart in the plugging direction of the second plug-in part 311, and a first fastener 317 passes through a first mounting hole 118 and a first connecting hole 313 in sequence.

[0059] In this embodiment, the first joint seat 31 is respectively connected to the multiple mounting holes of the connecting shaft assembly 1 through multiple first fasteners 317, which is beneficial to improving the structural strength of the first joint seat 31 connected to the connecting shaft assembly 1 and improving the supporting load of the adapter 61 to meet the user's support requirements for various weight equipment.

[0060] Reference Figures 3 to 7 In one embodiment of the utility model, a third adapter hole 517 is provided on a side of the second joint component 5 facing the adapter 61, and the adapter 61 is provided with a connecting hole. A second fastener 63 passes through one of the connecting holes and one of the adapter holes in sequence to connect the adapter 61 to the second joint component 5.

[0061] In this embodiment, the adapter 61 is fastened to the third adapter hole 517 of the second joint assembly 5 through the connecting hole, which is beneficial to improve the connection strength between the adapter 61 and the second joint assembly 5, and improve the supporting load of the adapter 61 on the equipment to further meet the user's usage requirements.

[0062] The utility model also proposes a shadowless lamp 100, which includes at least two spring arms 80, a lamp head and the multifunctional bracket 10 as described above, wherein the lamp head is connected to one end of one of the spring arms 80; the connecting shaft assembly 1 is rotatably connected to the other spring arm 80.

[0063] In summary, the existing spring arm 80 is mainly used to fix the lamp head, and if other equipment needs to be added, it cannot be installed. The multifunctional bracket 10 of the embodiment of the utility model includes a connecting shaft assembly 1, a first joint assembly 3, a second joint assembly 5, a handle 53, and an adapter 61. The connecting shaft assembly 1, the first joint assembly 3, and the second joint assembly 5 are installed in sequence, and then the handle 53, the mounting plate and the rotation limiter 13 are installed. According to the weight adjustment force of the installed display 90 and the camera, the swing angle of the machine can be normal without sagging, and the rotatable angle is 340°. The beneficial effect of the utility model is: to adapt some equipment that needs to be used but cannot be hoisted (such as a display 90, a camera), so that it can be integrated with the shadowless lamp 100 for use, meet the diversified needs of the hospital, and better cooperate with the work of medical staff.

[0064] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A multifunctional bracket, characterized in that: The multifunctional bracket is applied to a shadowless lamp, a spring arm of the shadowless lamp is provided with a first adapter hole along a first direction, and the multifunctional bracket comprises: A connecting shaft assembly, the connecting shaft assembly is rotatable around a first direction and is disposed in the first adapter hole; A first joint assembly, the first joint assembly being connected to a side of the connecting shaft assembly facing away from the spring arm; a second joint assembly, the second joint assembly being rotatably connected to the first joint assembly about a direction perpendicular to the first direction; and An adapter is connected to a side of the second joint component facing away from the first joint component, and an adapter surface is provided on the side of the adapter facing away from the second joint component.

2. The multifunctional bracket according to claim 1, characterized in that: The connecting shaft assembly comprises a rotating shaft and two rotating stoppers, wherein a rotating surface is provided on the surface of the rotating shaft facing the first adapter hole, a first plug-in portion is convexly provided on the side of the rotating surface facing the first adapter hole, the first plug-in portion is rotatably inserted in the first adapter hole, and the two rotating stoppers are circumferentially spaced on the rotating surface along the rotation direction of the first plug-in portion; A rotation limiting part is protruded from the opening edge of the first adapter hole. Driven by the rotation of the first plug-in part, one rotation limiting part is limited to one side of the rotation limiting part, and the other rotation limiting part is limited to the other side of the rotation limiting part.

3. The multifunctional bracket according to claim 2, characterized in that: The rotating surface is provided with at least two rotation positioning holes, and the plurality of rotation positioning holes are arranged at intervals along the rotation direction of the first plug-in portion, one rotation limiting member is partially plugged into one rotation positioning hole, and another rotation limiting member is partially plugged into another rotation positioning hole.

4. The multifunctional bracket according to claim 2, characterized in that: The first joint assembly includes a first joint seat and a pitch axis, the first joint seat is connected to a side of the rotation axis away from the first adapter hole, a receiving groove is recessed on a side of the first joint seat facing the second joint assembly, and two ends of the pitch axis are connected to the groove wall of the receiving groove; The second joint component is provided with a rotation hole, and the rotation axis of the pitch axis is also passed through the rotation hole, so that the second joint component can rotate around the pitch axis.

5. The multifunctional bracket according to claim 4, characterized in that: The second joint assembly is provided with a pitch limit hole parallel to the axial direction of the pitch axis, and the pitch limit hole extends along the rotation direction of the second joint assembly. The first joint assembly also includes a pitch limit piece, and the pitch limit piece and the pitch axis are spaced apart from each other on the slot wall of the storage slot and penetrated through the pitch limit hole to limit the rotation of the second joint assembly.

6. The multifunctional bracket according to claim 4, characterized in that: The second joint assembly includes a second joint seat and a handle. The second joint seat is provided with the rotating hole. An end of the second joint seat away from the first joint seat is provided with a fixing hole. One end of the handle is penetrated and connected to the fixing hole.

7. The multifunctional bracket according to any one of claims 4 to 6, characterized in that: A second adapter hole is recessed at one end of the rotating shaft facing the first joint seat, a first mounting hole is penetrated through the hole wall of the second adapter hole, a second plug-in portion is convexly provided on the first joint seat, the second plug-in portion is inserted along the hole depth direction of the first mounting hole, a first connecting hole is opened on the second plug-in portion perpendicular to the plug-in direction, a first fastener passes through the first connecting hole and the first mounting hole in sequence to connect the first joint seat to the rotating shaft.

8. The multifunctional bracket according to claim 7, characterized in that: There are multiple first mounting holes and multiple first connecting holes, multiple first mounting holes are spaced apart along the hole depth direction of the second adapter hole, multiple first connecting holes are spaced apart in the plug-in direction of the second plug-in part, and a first fastener passes through one first mounting hole and one first connecting hole in sequence.

9. The multifunctional bracket according to any one of claims 1 to 6, characterized in that: A third adapter hole is provided on a side of the second joint component facing the adapter, and the adapter has a connecting hole. A second fastener passes through the connecting hole and the adapter hole in sequence to connect the adapter to the second joint component.

10. A shadowless lamp, characterized in that: The shadowless lamp comprises: at least two spring arms; A lamp cap, the lamp cap being connected to one end of the spring arm; According to any one of claims 1 to 9, the connecting shaft assembly is rotatably connected to the other spring arm.

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