An energy-saving decorative structure for buildings and its installation method

Abstract

This invention discloses an energy-saving decorative structure for buildings and its installation method. The base of the energy-saving decorative component of this invention can be engaged with the mounting seat on the roof. After the base and the mounting seat are engaged, the base and the mounting seat can be made coaxial, and vertical movement between the base and the mounting seat can be prevented. However, the base and the mounting seat can still rotate relative to each other, which facilitates the adjustment of the orientation of the main body of the decorative component along the circumference of the base.

Description

Technical Field

[0001] This invention relates to an energy-saving decorative structure for buildings and its installation method. Background Technology

[0002] Many roofs incorporate energy-efficient decorative structures, which typically include mounting bases fixed to the roof and energy-efficient decorative components mounted on these bases. These components usually consist of a flat base and a vertically mounted decorative element on top of the base. Currently, the installation methods between the base and the roof mounting base for these energy-efficient decorative components are relatively simple. It's difficult to ensure that the base and mounting base are coaxial, to prevent vertical movement between them, to allow relative rotation, and to conveniently adjust the orientation of the decorative element's main body along the circumference of the base. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides an energy-saving decorative structure for buildings, comprising: a mounting base fixed to the roof, and energy-saving decorative components mounted on the mounting base;

[0004] The mounting base has a main piston chamber at its center on its top surface, and a main piston is located in the main piston chamber. Four slave piston chambers are also located around the main piston chamber on the top surface of the mounting base. These four slave piston chambers are evenly distributed along the circumference of the main piston chamber. Each of the four slave piston chambers is a downwardly convex arc shape. Four slave pistons are correspondingly located in each of the four slave piston chambers. Each of the four slave pistons is a downwardly convex semi-annular shape, and the slave pistons slide in conjunction with their corresponding slave piston chambers. The inner ends of each of the four slave piston chambers are connected to the bottom end of the main piston chamber through an internal channel within the mounting base.

[0005] The energy-saving decorative component includes: a flat base and a vertical decorative component body located on the top surface of the base; a pressure rod that can be inserted into the main piston cavity is provided at the center of the bottom surface of the base; a pressure plate is fitted at the bottom end of the pressure rod; a sleeve is fitted around the outer periphery of the pressure plate; an annular cavity for inserting the top of the sleeve is also provided on the bottom surface of the base around the pressure rod; four receiving grooves are provided on the inner surface of the annular cavity; four locking rods are respectively disposed in the four receiving grooves; an outer locking groove is provided at the lower end of the outer periphery of the sleeve, which allows four locking rods to be engaged when the pressure plate is against the top surface of the mounting base; an inner locking groove is provided in the vertical middle part of the inner periphery of the sleeve, which allows four locking rods to be engaged when the four locking rods are engaged in the outer locking grooves.

[0006] For details regarding the energy-saving decorative structure of the building, please refer to the specific implementation method.

[0007] This invention also provides an installation method for the above-mentioned energy-saving decorative structure, comprising the following steps:

[0008] Place the pressure plate of the base of the energy-saving decorative part flat on the top surface of the mounting base, and place the pressure rod of the base directly above the main piston chamber of the mounting base, and place the pressure rod in the inner circumference of the inner protrusion at the top of the main piston chamber.

[0009] Then press down on the base, the third spring is compressed, the sleeve further retracts into the annular cavity, the pressure rod passes through the pressure plate and extends into the main piston cavity and presses down on the main piston, the first spring in the main piston cavity is compressed, the main piston drives the hydraulic oil in the main piston cavity to enter the four slave piston cavities through the inner channel, thereby driving the slave pistons in the four slave piston cavities to extend out of the top surface of the mounting seat, and the second springs in the four slave piston cavities are stretched.

[0010] Continue pressing the base downwards until the four outer ends of the pistons engage with the outer grooves on the outer circumference of the sleeve. At this point, the four receiving grooves on the inner surface of the annular cavity align with the inner grooves on the inner circumference of the sleeve. The fourth spring in the receiving groove drives the corresponding locking rod to extend out of the receiving groove, and the outer ends of the four locking rods engage with the inner grooves on the inner circumference of the sleeve, completing the engagement between the base and the mounting seat. After the base and the mounting seat are engaged, the four outer ends of the pistons guide the sleeve to be aligned and centered so that the sleeve and the mounting seat are coaxial, thereby achieving coaxiality between the base and the mounting seat. The four pistons prevent vertical movement between the sleeve and the mounting seat, and the four locking rods prevent vertical movement between the base and the sleeve, thereby preventing vertical movement between the base and the mounting seat. However, the base and the mounting seat can still rotate relative to each other.

[0011] After the base and mounting base are engaged, rotating the base around its axis causes the main body of the decorative component on the base to rotate synchronously, thus adjusting the orientation of the main body of the decorative component along the circumference of the base.

[0012] The advantages and beneficial effects of this invention are as follows:

[0013] The base of the energy-saving decorative component of the present invention can be snapped into the mounting seat on the roof. After the base and the mounting seat are snapped into place, the base and the mounting seat can be made coaxial and vertical movement between the base and the mounting seat can be prevented. However, the base and the mounting seat can still rotate relative to each other, which makes it convenient to adjust the orientation of the main body of the decorative component along the circumference of the base. Attached Figure Description

[0014] Figure 1 This is a schematic diagram showing the base of the energy-saving decorative component not being engaged with the mounting bracket on the roof.

[0015] Figure 2 This is a schematic diagram showing the completed connection between the base of the energy-saving decorative component and the mounting bracket on the roof. Detailed Implementation

[0016] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0017] The specific technical solution of this invention is as follows:

[0018] like Figure 1 As shown, the present invention provides an energy-saving decorative structure for buildings, including: a mounting base 1 fixed to the roof, and an energy-saving decorative component installed on the mounting base 1;

[0019] The mounting base 1 is generally in the shape of a flat disc. A main piston cavity 11 is formed at the center of the top surface of the mounting base 1. The main piston cavity 11 is generally in the shape of a vertical cylinder and is coaxial with the mounting base 1. A main piston 12 is provided in the main piston cavity 11. The main piston 12 is generally in the shape of a flat circular plate and is coaxial with the main piston cavity 11, with the main piston 12 and the main piston cavity 11 in a sliding fit. A vertically placed first spring 13 is also provided in the main piston cavity 11. The top end of the first spring 13 is fixedly connected to the bottom surface of the main piston 12, and the bottom end of the first spring 13 is fixedly connected to the inner bottom surface of the main piston cavity 11. The top end of the main piston cavity 11 is provided with an annular inner convex edge 14 to prevent the main piston 12 from protruding out of the main piston cavity 11. The inner convex edge 14 is coaxial with the main piston cavity 11. The inner diameter of the main piston 14 is smaller than the outer diameter of the main piston 12; the first spring 13 presses the main piston 12 against the inner convex edge 14; four slave piston chambers 15 are also provided on the top surface of the mounting base 1 around the main piston chamber 11; the four slave piston chambers 15 are evenly distributed around the circumference of the main piston chamber 11; the four slave piston chambers 15 are all convex arc-shaped; the arc radius of the four slave piston chambers 15 is the same, and the inner diameter of the four slave piston chambers 15 is the same; the two ends of the four slave piston chambers 15 are respectively: the opening end located on the top surface of the mounting base 1 and away from the main piston chamber 11, and the inner end located in the mounting base 1 and close to the main piston chamber 11; the opening ends of the four slave piston chambers 15 are located on the same circumference, and the circumference is coaxial with the main piston chamber 11; the four slave piston chambers 1 The opening ends of the four piston chambers 15 are evenly distributed along the circumference of the main piston chamber 11; the inner ends of the four piston chambers 15 are located on the same plane, and this plane is parallel to the top surface of the mounting base 1; the inner ends of the four piston chambers 15 are located on the same circumference, and this circumference is coaxial with the main piston chamber 11; the inner ends of the four piston chambers 15 are evenly distributed along the circumference of the main piston chamber 11; four pistons 16 are correspondingly disposed in the four piston chambers 15; the four pistons 16 are all convex semi-annular in shape, and the pistons 16 slide with the corresponding piston chambers 15; the semi-annular radii of the four pistons 16 are the same, and the outer diameters of the four pistons 16 are the same; the two ends of the four pistons 16 are respectively: the outer end away from the main piston chamber 11, and the outer end close to the main piston chamber 11. The four piston chambers 15 are located at the inner end of the main piston chamber 11. The outer ends of the four piston chambers 16 are located on the same plane, which is lower than the top surface of the mounting base 1 and parallel to the top surface of the mounting base 1. The outer ends of the four piston chambers 16 are located on the same circumference, which is coaxial with the main piston chamber 11. The inner ends of the four piston chambers 15 are located on the same plane, which is lower than the inner ends of the four piston chambers 15 and parallel to the top surface of the mounting base 1. The inner ends of the four piston chambers 16 are located on the same circumference, which is coaxial with the main piston chamber 11. Each of the four piston chambers 15 is also provided with a second spring 17. One end of the second spring 17 is fixedly connected to the inner end of the piston chamber 15 in which it is located, and the other end of the second spring 17 is fixedly connected to the inner end of the piston 16 in the piston chamber 15.The inner ends of the four piston chambers 15 are also connected to the bottom end of the main piston chamber 11 through the inner channels 18 inside the mounting base 1. The inner diameter and length of each inner channel 18 are the same. The space between the inner end of the piston chamber 15 and the inner end of the piston 16 in the piston chamber 15 is the liquid storage space of the piston chamber 15. The space between the bottom surface of the main piston chamber 11 and the main piston 12 is the liquid storage space of the main piston chamber 11. The liquid storage space of the main piston chamber 11, each inner channel 18 and the liquid storage space of each piston chamber 15 are all filled with hydraulic oil.

[0020] The energy-saving decorative component includes: a flat base 2, and a vertical decorative component body disposed on the top surface of the base 2; the base 2 is generally flat and disc-shaped; a pressure rod 21 that can be inserted into the main piston cavity 11 is provided at the center of the bottom surface of the base 2, the pressure rod 21 is generally vertical and cylindrical, and the pressure rod 21 is coaxial with the base 2; the outer diameter of the pressure rod 21 is smaller than the inner diameter of the inner protrusion 14 at the top of the main piston cavity 11; a pressure plate 22 is fitted at the bottom end of the pressure rod 21, the pressure plate 22 is generally flat and cylindrical, the pressure plate 22 is coaxial with the pressure rod 21, and a vertical through hole is provided at the center of the pressure plate 22 for the pressure rod 21 to pass through, allowing the bottom end of the pressure rod 21 to be inserted into the through hole, and the pressure plate 22 and the pressure rod 21 are slidably fitted; a sleeve 23 is fitted around the outer periphery of the pressure plate 22; the sleeve 23 is generally vertical and cylindrical. The sleeve 23 is coaxial with the pressure plate 22; the bottom end of the inner wall of the sleeve 23 is fixedly connected to the side periphery of the pressure plate 22; the bottom surface of the base 2 also has an annular cavity 24 for the top end of the sleeve 23 to be inserted into the pressure rod 21; the annular cavity 24 is a vertical cylindrical shape and is coaxial with the pressure rod 21; the top end of the sleeve 23 is inserted into the annular cavity 24 on the bottom surface of the base 2, and the sleeve 23 and the annular cavity 24 are slidably fitted; the sleeve 23 also has a vertical third spring 25, which is fitted around the pressure rod 21, and the top end of the third spring 25 is fixedly connected to the bottom surface of the base 2, and the bottom end of the third spring 25 is fixedly connected to the top surface of the pressure plate 22; the inner surface of the annular cavity 24 has four receiving grooves 26, all of which are flat circular. The four receiving slots 26 are cylindrical; they are located on the same plane, which is parallel to the bottom surface of the base 2; the four receiving slots 26 are respectively arranged radially along the annular cavity 24, and are evenly distributed circumferentially along the annular cavity 24; the four receiving slots 26 have the same inner diameter and the same length; the two ends of the four receiving slots 26 are respectively: an open end located on the inner surface of the annular cavity 24 and closed by the sleeve 23, and an inner end away from the sleeve 23; four locking rods 27 are correspondingly disposed in the four receiving slots 26; the four locking rods 27 are all flat cylindrical, with the same outer diameter and the same length; the locking rods 27 slide in conjunction with the receiving slots 26 in which they are located; The four locking rods 27 have two ends: the outer end facing the sleeve 23 and the inner end away from the sleeve 23, respectively; each of the four receiving grooves 26 is also provided with a fourth spring 28; one end of the fourth spring 28 is fixedly connected to the inner end of the receiving groove 26 in which it is located, and the other end of the fourth spring 28 is fixedly connected to the inner end of the locking rod 27 in the receiving groove 26, and the fourth spring 28 presses the outer end of the locking rod 27 against the inner circumferential surface of the sleeve 23; the lower end of the outer circumferential surface of the sleeve 23 is provided with four outer slots 291 that can be inserted from the piston 16 when the pressure plate 22 is against the top surface of the mounting base 1; the outer slots 291 are generally flat and circular, and the outer slots 291 are coaxial with the sleeve 23; and the four outer ends of the piston 16 slide in cooperation with the outer slots 291;The sleeve 23 has an inner groove 292 on its inner circumferential surface, which allows four locking rods 27 to engage when the piston 16 is engaged in the outer groove 291. The inner groove 292 is a flat annular shape and is coaxial with the sleeve 23. The outer ends of the four locking rods 27 slide in engagement with the inner groove 292.

[0021] like Figure 2 As shown, the present invention also provides an installation method for the above-mentioned building energy-saving decorative structure, comprising the following steps:

[0022] Place the pressure plate 22 of the base 2 of the energy-saving decorative part flat on the top surface of the mounting base 1, and place the pressure rod 21 of the base 2 directly above the main piston chamber 11 of the mounting base 1, and place the pressure rod 21 in the inner circumference of the inner protrusion 14 at the top of the main piston chamber 11.

[0023] Then press down on the base 2, the third spring 25 is compressed, the sleeve 23 further retracts into the annular cavity 24, the pressure rod 21 passes through the pressure plate 22 and extends into the main piston cavity 11 and presses down on the main piston 12, the first spring 13 in the main piston cavity 11 is compressed, the main piston 12 drives the hydraulic oil in the main piston cavity 11 to enter the four slave piston cavities 15 through the inner channel 18, thereby driving the slave pistons 16 in the four slave piston cavities 15 to extend out of the top surface of the mounting seat 1, and the second springs 17 in the four slave piston cavities 15 are stretched;

[0024] Continue pressing the base 2 downwards until the four outer slots 291 on the outer circumference of the sleeve 23 are engaged from the outer end of the piston 16. At this time, the four receiving slots 26 on the inner surface of the annular cavity 24 are aligned with the inner slots 292 on the inner circumference of the sleeve 23. The fourth spring 28 in the receiving slot 26 drives the corresponding locking rod 27 to extend out of the receiving slot 26, and the outer ends of the four locking rods 27 engage with the inner slots 292 on the inner circumference of the sleeve 23, completing the engagement between the base 2 and the mounting base 1. After connection, the four pistons 16 guide the sleeve 23 to be aligned and centered so that the sleeve 23 and the mounting base 1 are coaxial, thereby making the base 2 and the mounting base 1 coaxial. The four pistons 16 can prevent vertical movement between the sleeve 23 and the mounting base 1, and the four locking rods 27 can prevent vertical movement between the base 2 and the sleeve 23, thereby preventing vertical movement between the base 2 and the mounting base 1. However, the base 2 and the mounting base 1 can still rotate relative to each other.

[0025] After the base 2 and the mounting base 1 are engaged, the base 2 is rotated around the axis of the base 2 so that the main body of the decorative part on the base 2 rotates synchronously, thereby adjusting the orientation of the main body of the decorative part along the circumference of the base 2.

[0026] As can be seen from the above, the base 2 of the energy-saving decorative component of the present invention can be snapped into the mounting seat 1 on the roof. After the base 2 and the mounting seat 1 are snapped into place, the base 2 and the mounting seat 1 of the energy-saving decorative component can be made coaxial, and the vertical mutual movement between the base 2 and the mounting seat 1 can be prevented. However, the base 2 and the mounting seat 1 can still rotate relative to each other, which makes it convenient to adjust the orientation of the main body of the decorative component along the circumference of the base 2.

[0027] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An energy-saving decorative structure for buildings, comprising: A mounting base fixed to the roof, and an energy-saving decorative component mounted on the mounting base; characterized in that: The mounting base has a main piston chamber at its center on its top surface, and a main piston is located in the main piston chamber. Four slave piston chambers are also located around the main piston chamber on the top surface of the mounting base. These four slave piston chambers are evenly distributed along the circumference of the main piston chamber. Each of the four slave piston chambers is a downwardly convex arc shape. Four slave pistons are correspondingly located in each of the four slave piston chambers. Each of the four slave pistons is a downwardly convex semi-annular shape, and the slave pistons slide in conjunction with their corresponding slave piston chambers. The inner ends of each of the four slave piston chambers are connected to the bottom end of the main piston chamber through an internal channel within the mounting base. The energy-saving decorative component includes: a flat base and a vertical decorative component body located on the top surface of the base; a pressure rod that can be inserted into the main piston cavity is provided at the center of the bottom surface of the base; a pressure plate is fitted at the bottom end of the pressure rod; a sleeve is fitted around the outer periphery of the pressure plate; an annular cavity for inserting the top of the sleeve is also provided on the bottom surface of the base around the pressure rod; four receiving grooves are provided on the inner surface of the annular cavity; four locking rods are respectively disposed in the four receiving grooves; an outer locking groove is provided at the lower end of the outer periphery of the sleeve, which allows four locking rods to be engaged when the pressure plate is against the top surface of the mounting base; an inner locking groove is provided in the vertical middle part of the inner periphery of the sleeve, which allows four locking rods to be engaged when the four locking rods are engaged in the outer locking grooves.

2. The building energy-saving decorative structure according to claim 1, characterized in that, The mounting base is generally a flat disc; the main piston chamber is generally a vertical cylinder, and the main piston chamber and the mounting base are coaxial; the main piston is generally a flat circular plate, the main piston and the main piston chamber are coaxial, and the main piston and the main piston chamber are in sliding fit; a vertical first spring is also provided in the main piston chamber, the top end of the first spring is fixed to the bottom surface of the main piston, and the bottom end of the first spring is fixed to the inner bottom surface of the main piston chamber; the top end of the main piston chamber is provided with an annular inner convex edge to prevent the main piston from protruding out of the main piston chamber; the inner convex edge is coaxial with the main piston chamber, and the inner diameter of the inner convex edge is smaller than the outer diameter of the main piston; the first spring presses the main piston tightly against the inner convex edge.

3. The building energy-saving decorative structure according to claim 2, characterized in that, The four piston chambers have the same arc radius and the same inner diameter. The four piston chambers are located at their respective ends: an open end on the top surface of the mounting base and away from the main piston chamber, and an inner end within the mounting base and close to the main piston chamber. The open ends of the four piston chambers are located on the same circumference, which is coaxial with the main piston chamber. The open ends of the four piston chambers are evenly distributed along the circumference of the main piston chamber. The inner ends of the four piston chambers are located on the same plane, which is parallel to the top surface of the mounting base. The inner ends of the four piston chambers are located on the same circumference, which is coaxial with the main piston chamber. The inner ends of the four piston chambers are evenly distributed along the circumference of the main piston chamber.

4. The building energy-saving decorative structure according to claim 3, characterized in that, The four slave pistons have the same semi-circular radius and the same outer diameter. The four slave pistons are located at their respective ends: an outer end away from the main piston cavity and an inner end close to the main piston cavity. The outer ends of the four slave pistons are located on the same plane, which is lower than the top surface of the mounting base and parallel to it. The outer ends of the four slave pistons are located on the same circumference, which is coaxial with the main piston cavity. The inner ends of the four slave pistons are located on the same plane, which is lower than the inner ends of the four slave piston cavities and parallel to the top surface of the mounting base. The inner ends of the four slave pistons are located on the same circumference, which is coaxial with the main piston cavity. Each of the four slave piston cavities is also equipped with a second spring. One end of the second spring is fixedly connected to the inner end of its respective slave piston cavity, and the other end of the second spring is fixedly connected to the inner end of the slave piston in that slave piston cavity.

5. The building energy-saving decorative structure according to claim 4, characterized in that, The inner diameter and length of each inner channel are the same; the space between the inner end of the piston chamber and the inner end of the piston in the piston chamber is the liquid storage space of the piston chamber; the space between the bottom surface of the main piston chamber and the main piston is the liquid storage space of the main piston chamber; the liquid storage space of the main piston chamber, each inner channel and the liquid storage space of each piston chamber are all filled with hydraulic oil.

6. The building energy-saving decorative structure according to claim 5, characterized in that, The base is generally a flat disc; the pressure rod is generally a vertical cylinder, and the pressure rod and the base are coaxial; the outer diameter of the pressure rod is smaller than the inner diameter of the inner convex edge at the top of the main piston chamber; the pressure plate is generally a flat circular plate, and the pressure plate and the pressure rod are coaxial; the center of the pressure plate has a vertical through hole for the pressure rod to pass through, and the bottom end of the pressure rod is inserted into the through hole, and the pressure plate and the pressure rod are in sliding fit; the sleeve is generally a vertical cylinder, and the sleeve and the pressure plate are coaxial; the bottom end of the inner wall of the sleeve is fixedly connected to the side periphery of the pressure plate; the annular cavity is generally a vertical cylinder, and the annular cavity and the pressure rod are coaxial; the top end of the sleeve is inserted into the annular cavity on the bottom surface of the base, and the sleeve and the annular cavity are in sliding fit; a vertical third spring is also provided in the sleeve, the third spring is fitted around the outer periphery of the pressure rod, and the top end of the third spring is fixedly connected to the bottom surface of the base, and the bottom end of the third spring is fixedly connected to the top surface of the pressure plate.

7. The building energy-saving decorative structure according to claim 6, characterized in that, The four receiving slots are all flat cylindrical in shape; the four receiving slots are located on the same plane, and the plane is parallel to the bottom surface of the base; the four receiving slots are respectively arranged radially along the annular cavity, and the four receiving slots are evenly distributed circumferentially along the annular cavity; the four receiving slots have the same inner diameter, and the four receiving slots have the same length; the two ends of the four receiving slots are respectively: the open end located on the inner surface of the annular cavity and closed by the sleeve, and the inner end away from the sleeve.

8. The building energy-saving decorative structure according to claim 7, characterized in that, The four locking rods are all flat cylindrical in shape, with the same outer diameter and length. The locking rods slide in conjunction with their respective receiving grooves. The two ends of the four locking rods are the outer end facing the sleeve and the inner end away from the sleeve. Each of the four receiving grooves is also provided with a fourth spring. One end of the fourth spring is fixedly connected to the inner end of its receiving groove, and the other end of the fourth spring is fixedly connected to the inner end of the locking rod in the receiving groove. The fourth spring presses the outer end of the locking rod against the inner circumferential surface of the sleeve.

9. The building energy-saving decorative structure according to claim 8, characterized in that, The outer groove is a flat circular ring, and the outer groove is coaxial with the sleeve; the four outer ends of the piston slide in the outer groove; the inner groove is a flat circular ring, and the inner groove is coaxial with the sleeve; the outer ends of the four locking rods slide in the inner groove.

10. The installation method of the building energy-saving decorative structure according to claim 9, characterized in that, Includes the following steps: Place the pressure plate of the base of the energy-saving decorative part flat on the top surface of the mounting base, and place the pressure rod of the base directly above the main piston chamber of the mounting base, and place the pressure rod in the inner circumference of the inner protrusion at the top of the main piston chamber. Then press down on the base, the third spring is compressed, the sleeve further retracts into the annular cavity, the pressure rod passes through the pressure plate and extends into the main piston cavity and presses down on the main piston, the first spring in the main piston cavity is compressed, the main piston drives the hydraulic oil in the main piston cavity to enter the four slave piston cavities through the inner channel, thereby driving the slave pistons in the four slave piston cavities to extend out of the top surface of the mounting seat, and the second springs in the four slave piston cavities are stretched. Continue pressing the base downwards until the four outer ends of the pistons engage with the outer grooves on the outer circumference of the sleeve. At this point, the four receiving grooves on the inner surface of the annular cavity align with the inner grooves on the inner circumference of the sleeve. The fourth spring in the receiving groove drives the corresponding locking rod to extend out of the receiving groove, and the outer ends of the four locking rods engage with the inner grooves on the inner circumference of the sleeve, completing the engagement between the base and the mounting seat. After the base and the mounting seat are engaged, the four outer ends of the pistons guide the sleeve to be aligned and centered so that the sleeve and the mounting seat are coaxial, thereby achieving coaxiality between the base and the mounting seat. The four pistons prevent vertical movement between the sleeve and the mounting seat, and the four locking rods prevent vertical movement between the base and the sleeve, thereby preventing vertical movement between the base and the mounting seat. However, the base and the mounting seat can still rotate relative to each other. After the base and mounting base are engaged, rotating the base around its axis causes the main body of the decorative component on the base to rotate synchronously, thus adjusting the orientation of the main body of the decorative component along the circumference of the base.

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