Medical multi-layer actuator mounting structure and mounting method thereof

Abstract

The invention discloses a medical multi-layer actuator mounting structure and a mounting method thereof, and belongs to the field of actuator production and processing. A medical multi-layer actuator mounting structure comprises a structure supporting layer, a function changing layer and an energy receiving layer, and mounting assemblies are arranged at the two ends of the structure supporting layer, the two ends of the function changing layer and the two ends of the energy receiving layer correspondingly and used for fixing and limiting the structure supporting layer, the function changing layer and the energy receiving layer; an anti-shaking assembly is arranged on the mounting assembly, and when the mounting assembly is mounted and fixed, the anti-shaking assembly is driven to operate; through mutual cooperation of the installation assembly, the anti-shaking assembly and the protection assembly, the installation position can be modularly designed, rapid installation of the actuator is achieved, a driving layer on the actuator can be independently disassembled during maintenance and disassembly, overall disassembly is not needed, the maintenance efficiency of workers is effectively improved, and the maintenance cost is reduced. And the stability of the actuator in use is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of actuator production and processing, and in particular to a medical multi-layer actuator installation structure and an installation method thereof. Background Art

[0002] The medical multilayer actuator installation structure is an important part of the medical mechanical structure design. With the continuous advancement of medical technology, the application of smart medical, wearable devices and robotics in the medical field is becoming more and more extensive, which puts forward higher requirements for the miniaturization, lightweight, flexibility and intelligence of medical equipment. Traditional mechanical energy conversion devices such as internal combustion engines and electric motors have been unable to meet these requirements due to their mechanism limitations. Therefore, new flexible actuators have emerged and are gradually being widely used in the medical field.

[0003] In the prior art, during the installation of the actuator, the maintenance is very troublesome by fixing it with screws, and the overall structural space utilization rate is low, which increases the maintenance cost and time of the device installation. Therefore, we propose a medical multi-layer actuator installation structure and an installation method thereof to solve the above-mentioned problems. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that during the installation of the actuator in the prior art, the maintenance is very troublesome by fixing with screws, and the overall structure has a low space utilization rate, and a medical multi-layer actuator installation structure and an installation method thereof are proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A medical multi-layer actuator installation structure comprises a structural support layer, a function change layer and an energy receiving layer, wherein both ends of the structural support layer, the function change layer and the energy receiving layer are provided with installation components for fixing and limiting the structural support layer, the function change layer and the energy receiving layer; an anti-sway component is provided on the installation component, and when the installation component is installed and fixed, the anti-sway component is driven to operate, so as to prevent the installation and fixing area from shaking; a protective component is provided on the installation component, which is used to protect the adjacent area between the structural support layer, the function change layer and the energy receiving layer.

[0006] Preferably, the installation assembly includes a plug-in block fixed at the end of the structural support layer, the function change layer and the energy receiving layer, the plug-in block is slidably connected in the installation groove, the installation groove is evenly spaced on the side surface of the mounting seat, and the inner surface of the installation groove is provided with a slot.

[0007] Preferably, an adjusting piece is provided in the plug-in block, and the adjusting piece includes a rotating rod which rotates on the inner wall of the plug-in block through a bearing, one end of the rotating rod passes through the plug-in block and extends to the outside where an adjusting block is fixed, an anti-slip block is fixed to one side of the adjusting block, the anti-slip block is inserted in the mounting plate, the mounting plate is opened on the surface of the anti-slip groove, the anti-slip groove is fixed on one side outer wall of the plug-in block, an elliptical block is fixed on the other end of the rotating rod, and a surface movable sleeve of the rotating rod is provided with an extrusion spring.

[0008] Preferably, a limiter is provided on the surface of the elliptical block, the limiter comprises a connecting plate attached to the surface of the elliptical block, a tension spring is fixed between the two connecting plates, a protrusion is fixed on one side of the connecting plate, and the protrusion is adapted to the slot.

[0009] Preferably, the anti-sway component includes a first airbag fixed on the surface of the connecting plate, the first airbag is sleeved on the outside of the protrusion, both ends of the first airbag are connected to an air pipe, one end of the air pipe is connected to a second airbag, and the second airbag is embedded on the inner wall of the plug-in block.

[0010] Preferably, a third airbag is provided on the surface of the mounting seat at the opening of the mounting groove, an exhaust pipe is embedded in the inner wall of the mounting seat, one end of the exhaust pipe extends to the outside and a first valve is installed thereon, an intake pipe is embedded in the inner wall of the mounting seat at one side of the exhaust pipe, one end of the intake pipe extends to the outside and a second valve is installed thereon.

[0011] Preferably, sliding rods are fixed to both ends of the connecting plate, the sliding rods are slidably connected in sliding grooves, and the sliding grooves are provided on the inner wall of the plug-in block.

[0012] Preferably, a mounting plate is fixed to one side of the mounting seat, and a mounting hole is formed on the mounting plate.

[0013] Preferably, a dielectric elastomer layer is provided between the structural support layer, the function change layer and the energy receiving layer, and a conductive polymer is provided on the surface of the dielectric elastomer layer.

[0014] A method for installing a medical multi-layer actuator mainly comprises the following steps: Step A: During installation, the plug-in blocks at the ends of the structural support layer, the functional change layer and the energy receiving layer are correspondingly inserted into the interior of the installation grooves in advance. After insertion, the adjusting block is pulled to drive the rotating rod to move. At this time, the elliptical block slides on the surfaces of the two connecting plates. When the anti-slip block is separated from the anti-slip groove, the adjusting block is rotated to rotate the elliptical block to open the two elliptical blocks. In this way, the two protrusions extend from the inner wall of the plug-in block and are inserted into the slots. Then, the adjusting block is pulled to reset, so that the anti-slip block is inserted into the installation plate, and the adjusting block is limited to achieve the installation limit operation; Step B: When the installation component is in operation, the anti-sway component is linked with the installation component so that the air pressure airflow generated by the operation of the anti-sway component is transported and expanded, thereby expanding and supporting the installation fixing area of ​​the installation component.

[0015] Compared with the prior art, the present invention provides a medical multi-layer actuator installation structure, which has the following beneficial effects: 1. This medical multi-layer actuator installation structure modularizes the multi-layer actuator design through the installation components, and arranges it in the corresponding installation area. In this way, in the subsequent maintenance process, each drive layer can be repaired and disassembled separately as needed, thereby improving the work efficiency of the maintenance staff.

[0016] 2. This medical multi-layer actuator installation structure can quickly fix and install the structural support layer, the function change layer and the energy receiving layer together through the set installation components, making the disassembly and assembly more convenient and efficient, saving the labor intensity of the staff.

[0017] 3. This medical multi-layer actuator installation structure, when the installation component is in operation, the anti-sway component is linked with the installation component, so that the air pressure airflow generated by the anti-sway component during operation is transported and expanded, thereby expanding and supporting the installation and fixing area of ​​the installation component, thereby achieving a good anti-loosening effect and making the installation component more stable during installation.

[0018] The parts not involved in the device are the same as the prior art or can be implemented by using the prior art. The installation assembly, anti-sway assembly and protection assembly provided in the present invention cooperate with each other, so that the installation position can be modularly designed to achieve rapid installation of the actuator. During maintenance and disassembly, the drive layer on the actuator can be removed separately without overall disassembly, which effectively improves the maintenance efficiency of the staff and improves the stability of the actuator during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a medical multi-layer actuator installation structure proposed by the present invention; Figure 2 This is a schematic structural diagram of a mounting seat and an actuator in a disassembled state in a medical multi-layer actuator mounting structure proposed by the present invention; Figure 3 This is a schematic diagram of the structure of the mounting seat and the actuator in the fixed state of the medical multi-layer actuator mounting structure proposed by the present invention; Figure 4 This is a schematic diagram of a side cross-sectional structure of a medical multi-layer actuator installation structure proposed by the present invention; Figure 5 The present invention proposes Figure 4 A schematic diagram of the enlarged structure of the middle A area; Figure 6 This is another side cross-sectional structural schematic diagram of a medical multi-layer actuator installation structure proposed by the present invention; Figure 7 The present invention proposes Figure 6 Schematic diagram of the enlarged structure of area B in the middle.

[0020] In the figure: 1. structural support layer; 2. functional change layer; 3. energy receiving layer; 4. installation component; 40. mounting seat; 41. mounting groove; 42. slot; 43. plug-in block; 44. rotating rod; 45. adjusting block; 46. anti-sliding block; 47. anti-slip groove; 48. mounting plate; 49. extrusion spring; 491. elliptical block; 492. connecting plate; 493. bump; 494. tension spring; 5. anti-sway component; 51. first airbag; 52. air supply pipe; 53. second airbag; 6. protection component; 61. third airbag; 62. exhaust pipe; 63. first valve; 64. intake pipe; 65. second valve; 7. slide rod; 8. sliding groove; 9. mounting plate; 90. mounting hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] In the description of the present invention, the term "multiple" refers to two or more. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation of the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, the meaning of "multiple" is two or more.

[0023] In the description of this specification, the description of the terms "one embodiment", "some implementations", "specific embodiments", etc. 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 invention. In this specification, the schematic representation of the above terms does not necessarily refer 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.

[0024] Reference Figure 1-Figure 7 A medical multi-layer actuator installation structure comprises a structural support layer 1, a functional change layer 2 and an energy receiving layer 3. Both ends of the structural support layer 1, the functional change layer 2 and the energy receiving layer 3 are provided with installation components 4 for fixing and limiting the structural support layer 1, the functional change layer 2 and the energy receiving layer 3; an anti-sway component 5 is provided on the installation component 4, and when the installation component 4 is installed and fixed, the anti-sway component 5 is driven to operate to prevent the installation and fixing area from shaking; a protective component 6 is provided on the installation component 4 for protecting the adjacent area between the structural support layer 1, the functional change layer 2 and the energy receiving layer 3, a mounting plate 9 is fixed on one side of the mounting seat 40, and a mounting hole 90 is opened on the mounting plate 9, a dielectric elastomer layer is provided between the structural support layer 1, the functional change layer 2 and the energy receiving layer 3, and a conductive polymer is provided on the surface of the dielectric elastomer layer.

[0025] In the present invention, the structural support layer 1 is located at the bottom layer of the actuator, mainly providing structural support and stability. This layer of material needs to have high strength and stability to ensure that the actuator can maintain overall stability and coordination when it is deformed. It is made of PDMS polydimethylsiloxane or other polymer materials. The function change layer 2 is located in the middle layer and is the main part of the actuator that undergoes deformation. When the photothermal conversion layer receives external stimuli and converts them into energy, this layer will respond to the energy and undergo volume changes such as expansion or contraction, thereby driving the movement of the actuator. It is made of polymer hydrogel or other shape memory materials. The energy receiving layer 3 is responsible for receiving external stimuli such as light energy and converting it into heat energy or other forms of energy. It is made of graphene stacked layers, carbon nanotubes CNTs or other photothermal conversion materials.

[0026] In the prior art, when installing the actuator, screws are usually used to fix it together. However, in actual use, due to long-term operation or bending and other actions, one of the layers fails and needs to be repaired by staff. However, this installation method makes maintenance and disassembly very troublesome, which reduces the work efficiency of maintenance personnel. In this solution, by providing installation components 4 at the ends of the structural support layer 1, the function change layer 2 and the energy receiving layer 3, the multi-layer actuator is modularly designed and arranged in the corresponding installation area. In this way, in the subsequent maintenance process, each driving layer can be repaired and disassembled separately as needed, thereby improving the work efficiency of the maintenance staff. At the same time, the structural support layer 1, the function change layer 2 and the energy receiving layer 3 can be quickly repaired and disassembled. The collecting layer 3 is fixedly installed together, and the disassembly and assembly is more convenient and efficient, which saves the labor intensity of the staff. When the installation component 4 is in operation, the anti-sway component 5 is linked with the installation component 4, so that the air pressure airflow generated by the operation of the anti-sway component 5 is transported and expanded, thereby expanding and supporting the installation and fixing area of ​​the installation component 4, thereby having a good anti-loosening effect, making the installation component 4 more stable during installation, and a protective component 6 is arranged on the installation component 4. When the actuator bends, the installation connection area between the structural support layer 1, the functional change layer 2 and the energy receiving layer 3 can be protected and buffered during the bending movement, which has a good protection effect, and at the same time, the heat from the internal working can be transferred and dissipated.

[0027] In a preferred embodiment, referring to Figure 2 , Figure 5 , Figure 6 and Figure 7 The mounting assembly 4 includes a plug-in block 43 fixed to the ends of the structural support layer 1, the functional change layer 2 and the energy receiving layer 3. The plug-in block 43 is slidably connected in the mounting groove 41. The mounting groove 41 is evenly spaced and arranged on one side surface of the mounting seat 40. A slot 42 is arranged on the inner surface of the mounting groove 41. An adjusting member is arranged in the plug-in block 43. The adjusting member includes a rotating rod 44 that rotates on the inner wall of the plug-in block 43 through a bearing. One end of the rotating rod 44 passes through the plug-in block 43 and extends to the outside to be fixed with an adjusting block 45. An anti-sliding block 46 is fixed to one side of the adjusting block 45. The anti-sliding block 46 is inserted in the mounting plate 48. The mounting plate 48 is arranged at On the surface of the anti-slip groove 47, the anti-slip groove 47 is fixed on the outer wall of one side of the plug-in block 43, an elliptical block 491 is fixed on the other end of the rotating rod 44, and a compression spring 49 is movably sleeved on the surface of the rotating rod 44. A limiting member is arranged on the surface of the elliptical block 491, and the limiting member includes a connecting plate 492 attached to the surface of the elliptical block 491, and a tension spring 494 is fixed between the two connecting plates 492. A protrusion 493 is fixed on one side of the connecting plate 492, and the protrusion 493 is adapted to the slot 42. Slide rods 7 are fixed at both ends of the connecting plate 492, and the slide rod 7 is slidably connected in the sliding groove 8, and the sliding groove 8 is opened on the inner wall of the plug-in block 43.

[0028] By adopting the above scheme, when in use, the plug-in blocks 43 at the ends of the structural support layer 1, the functional change layer 2 and the energy receiving layer 3 are inserted into the interior of the installation groove 41 in advance. Since the corresponding slots are set, a modular setting is performed. During installation, the staff can find the installation position more accurately, which is more convenient for subsequent maintenance and inspection. After insertion, the adjustment block 45 is pulled to drive the rotating rod 44 to move. At this time, the elliptical block 491 is fitted on the surface of the two connecting plates 492 and slides. When the anti-slip block 46 is separated from the anti-slip groove 47, the adjustment block 45 is rotated to rotate the elliptical block 491 180 degrees. At this time, the elliptical block 491 is as shown in FIG. Figure 5 As shown in the figure, the two elliptical blocks 491 can be spread apart so that the two protrusions 493 extend from the inner wall of the plug-in block 43 and are inserted into the slot 42 to implement the installation limit operation. The adjustment block 45 is then pulled to reset, so that the anti-sliding block 46 is inserted into the mounting plate 48 to limit the adjustment block 45 and improve the stability of the structure. The mounting plate 48 has a surface of anti-slip grooves 47 distributed in an equidistant ring shape. Such a quick-release installation method greatly improves the work efficiency of maintenance personnel and saves the labor intensity of staff. The installed actuator can be quickly repaired, inspected and replaced to reduce the occurrence of safety hazards. The setting of the slide bar 7 and the sliding groove 8 makes the protrusion 493 more stable when moving, which has a good effect of moving limit.

[0029] In a preferred embodiment, referring to Figure 5 The anti-sway component 5 includes a first airbag 51 fixed on the surface of the connecting plate 492, the first airbag 51 is sleeved on the outside of the protrusion 493, the two ends of the first airbag 51 are connected to the air pipe 52, one end of the air pipe 52 is connected to the second airbag 53, and the second airbag 53 is embedded on the inner wall of the plug-in block 43.

[0030] By adopting the above scheme, when the connecting plate 492 moves, it drives the first airbag 51 to move synchronously and contact the inner wall of the plug-in block 43, thereby squeezing the gas inside the first airbag 51 to the inside of the second airbag 53. The second airbag 53 expands and fills the gap between the plug-in block 43 and the installation groove 41, thereby preventing the installation component 4 from shaking after installation, thereby effectively improving the stability of the structure and preventing loosening.

[0031] In a preferred embodiment, referring to Figure 4 , Figure 5 and Figure 6A third airbag 61 is provided on the surface of the mounting seat 40 at the opening of the mounting groove 41, an exhaust pipe 62 is embedded in the inner wall of the mounting seat 40, one end of the exhaust pipe 62 extends to the outside and a first valve 63 is installed, an intake pipe 64 is embedded in the inner wall of the mounting seat 40 at one side of the exhaust pipe 62, one end of the intake pipe 64 extends to the outside and a second valve 65 is installed.

[0032] By adopting the above scheme, when the structural support layer 1, the function change layer 2 and the energy receiving layer 3 are working after installation, bending movement occurs. Since the third airbag 61 is arranged at the adjacent gaps between the structural support layer 1, the function change layer 2 and the energy receiving layer 3, one side of the third airbag 61 is embedded with a heat conductive sheet, which is not drawn in the attached drawing. The heat conductive sheet is located at the connection between the structural support layer 1, the function change layer 2 and the energy receiving layer 3. On the one hand, the heat generated by the actuator when working is transferred into the third airbag 61 through the heat conductive sheet. Since the bending movement squeezes the third airbag 61, the force generated by the squeezing can discharge the air in the third airbag 61 through the exhaust pipe 62, and the airbag draws external air through the intake pipe 64 when resetting, forming a circulation to discharge the heat and improve the heat dissipation effect. On the other hand, by setting the third airbag 61, the installation connection section of the structural support layer 1, the function change layer 2 and the energy receiving layer 3 can be protected.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A medical multi-layer actuator mounting structure, comprising a structural support layer (1), a function change layer (2) and an energy receiving layer (3), characterized in that: Both ends of the structural support layer (1), the functional change layer (2) and the energy receiving layer (3) are provided with mounting components (4) for fixing and limiting the positions of the structural support layer (1), the functional change layer (2) and the energy receiving layer (3); The mounting assembly (4) is provided with an anti-sway assembly (5), which drives the anti-sway assembly (5) to operate when the mounting assembly (4) is mounted and fixed, so as to prevent the mounting and fixing area from shaking; The installation component (4) is provided with a protection component (6) for protecting the adjacent area between the structural support layer (1), the functional change layer (2) and the energy receiving layer (3).

2. A medical multi-layer actuator mounting structure according to claim 1, characterized in that: The mounting assembly (4) comprises a plug-in block (43) fixed to the ends of the structural support layer (1), the functional change layer (2) and the energy receiving layer (3); the plug-in block (43) is slidably connected in a mounting groove (41); the mounting grooves (41) are arranged at equal intervals on a side surface of the mounting seat (40); and a slot (42) is arranged on the inner surface of the mounting groove (41).

3. A medical multi-layer actuator mounting structure according to claim 2, characterized in that: An adjusting member is provided in the plug-in block (43), and the adjusting member comprises a rotating rod (44) which rotates on the inner wall of the plug-in block (43) through a bearing, one end of the rotating rod (44) penetrates the plug-in block (43) and extends to the outside where an adjusting block (45) is fixed, an anti-sliding block (46) is fixed on one side of the adjusting block (45), the anti-sliding block (46) is inserted in a mounting plate (48), the mounting plate (48) is provided on the surface of an anti-slip groove (47), the anti-slip groove (47) is fixed on one side of the outer wall of the plug-in block (43), an elliptical block (491) is fixed on the other end of the rotating rod (44), and a compression spring (49) is provided on the surface of the rotating rod (44).

4. A medical multi-layer actuator mounting structure according to claim 3, characterized in that: A limit piece is provided on the surface of the elliptical block (491), the limit piece comprising a connecting plate (492) attached to the surface of the elliptical block (491), a tension spring (494) is fixed between the two connecting plates (492), a protrusion (493) is fixed on one side of the connecting plate (492), and the protrusion (493) is adapted to fit the slot (42).

5. A medical multi-layer actuator mounting structure according to claim 4, characterized in that: The anti-sway component (5) comprises a first airbag (51) fixed on the surface of the connecting plate (492), the first airbag (51) being sleeved on the outside of the protrusion (493), the two ends of the first airbag (51) being connected to an air supply pipe (52), one end of the air supply pipe (52) being connected to a second airbag (53), and the second airbag (53) being embedded and installed on the inner wall of the plug-in block (43).

6. A medical multi-layer actuator mounting structure according to claim 2, characterized in that: A third airbag (61) is provided on the surface of the mounting seat (40) at the opening of the mounting groove (41); an exhaust pipe (62) is embedded and installed on the inner wall of the mounting seat (40); one end of the exhaust pipe (62) is extended to the outside and a first valve (63) is installed thereon; an intake pipe (64) is embedded and installed on the inner wall of the mounting seat (40) at one side of the exhaust pipe (62); one end of the intake pipe (64) is extended to the outside and a second valve (65) is installed thereon.

7. A medical multi-layer actuator mounting structure according to claim 4, characterized in that: Sliding rods (7) are fixed at both ends of the connecting plate (492), and the sliding rods (7) are slidably connected in sliding grooves (8). The sliding grooves (8) are formed on the inner wall of the plug-in block (43).

8. A medical multi-layer actuator mounting structure according to claim 2, characterized in that: A mounting plate (9) is fixed to one side of the mounting seat (40), and a mounting hole (90) is provided on the mounting plate (9).

9. A medical multi-layer actuator mounting structure according to claim 1, characterized in that: A dielectric elastomer layer is arranged between the structural support layer (1), the function change layer (2) and the energy receiving layer (3), and a conductive polymer is arranged on the surface of the dielectric elastomer layer.

10. A method for installing a medical multi-layer actuator, using the medical multi-layer actuator installation structure according to claim 5, characterized in that: The main steps include: Step A: During installation, the plug-in blocks (43) at the ends of the structural support layer (1), the functional change layer (2) and the energy receiving layer (3) are correspondingly inserted into the interior of the installation groove (41) in advance. After the insertion, the adjustment block (45) is pulled to drive the rotating rod (44) to move. At this time, the elliptical block (491) is fitted on the surfaces of the two connecting plates (492) and slides. When the anti-slip block (46) is separated from the anti-slip groove (47), the adjustment block (45) is rotated to rotate the elliptical block (491) 180 degrees, so that the two elliptical blocks (491) can be spread apart, so that the two protrusions (493) extend from the inner wall of the plug-in block (43) and are inserted into the slot (42). Then, the adjustment block (45) is pulled to reset, so that the anti-slip block (46) is inserted into the installation plate (48), and the adjustment block (45) is limited to achieve the installation limit operation; Step B: When the installation component (4) is in operation, the anti-sway component (5) is linked to the installation component (4), so that the air pressure airflow generated when the anti-sway component (5) is in operation is transported and expanded, thereby expanding and supporting the installation fixing area of ​​the installation component (4).

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