CN114809868A

CN114809868A - Landscape living room door with wind-resistant and shock-absorbing functions

Info

Publication number: CN114809868A
Application number: CN202210387753.7A
Authority: CN
Inventors: 柴水军; 范春芽; 郑献洋; 徐军勇; 柴小卫; 徐小龙
Original assignee: Zhejiang Haibo Doors Co ltd
Current assignee: Zhejiang Haibo Doors Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-29
Anticipated expiration: 2042-04-13
Also published as: CN114809868B

Abstract

The invention relates to the field of landscape living room doors, in particular to a landscape living room door with wind resistance and shock absorption functions. This kind of have anti-wind shock-absorbing function view room door, all set up matched with second inclined plane through view door plant and the relative one side of dodge gate board, improve the anti-wind power of door plant concatenation department, cooperation through the third pulley, make the dodge gate board slide to when laminating with the relative one side of view door plant, the third pulley promotes the movable rod and pegs graft to the locating hole, thereby further improve dodge gate board and door frame junction stability, the shock resistance of dodge gate board is increased substantially, avoid the door plant to strike because of wind-force frequently simultaneously, stability and life are improved, promote trapezoidal slider to the opening through the movable bolt and remove, can promote two wedge sliders simultaneously to the displacement of both sides, make the ventilation groove expose in the opening inboard, thereby make the wind in the dodge gate board outside circulated, reduce opening pressure.

Description

Landscape living room door with wind-resistant and shock-absorbing functions

Technical Field

The invention relates to the field of landscape living room doors, in particular to a landscape living room door with wind resistance and shock absorption functions.

Background

The doors visible in the market at present are various in variety, hundreds of doors are not available, but all door appearances are designed by manufacturers and then are fixed, dynamic aesthetic feeling is not embodied, and along with the continuous improvement of living standard of people, the requirement of people on the beauty of the surrounding environment is higher and higher, so that the shape of the fixed plate of the door appearance does not meet the requirement of times on beauty. Is easy to loosen in windy weather.

The following problems in the prior art are not well solved: 1. in order to achieve a better viewing effect, the existing landscape door is often single in structure, so that the door plate can shake violently in severe weather, the door plate and a door frame are frequently impacted, the door is easy to damage while the noise is high, and the service life of the door is shortened; 2. in windy weather, the closed door plate is inconvenient to open and affect usability due to overlarge wind pressure of the external environment; 3. and the door adopts hinge mounting means mostly, leads to the side of door to have great crack for the noise of whistling easily produces when wind blows.

Disclosure of Invention

The invention aims to provide a landscape living room door with wind resistance and shock absorption functions, and aims to solve the problems that the structure is single, the wind resistance is poor, the door is inconvenient to open when wind is strong, and the side seams of the door leak air to generate noise. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a view room door with anti-wind shock-absorbing function, includes transmission positioning mechanism, it has the connecting rod to slide to peg graft in the transmission positioning mechanism, and the bottom sliding connection of connecting rod has slide mechanism, and slide mechanism's bottom fixedly connected with sliding door mechanism, the fixed cover in one side of sliding door mechanism has connect the Europe pressure release mechanism that runs through to its opposite side, and one side fixedly connected with view door plant of transmission positioning mechanism inner wall, the overlap joint inclined plane has been seted up to the opposite side of transmission positioning mechanism inner wall, and one side on overlap joint inclined plane has seted up the locating hole.

Preferably, transmission positioning mechanism includes the door frame, and the fixed cover of door frame connects on the view door plant, mechanical chamber has been seted up on the upper portion of door frame, and the top swing joint of mechanical chamber inner wall has transmission gear shaft, and one side sliding connection of mechanical chamber inner wall has the pinion rack, and pinion rack and transmission gear shaft meshing, the bottom surface of mechanical chamber inner wall is fixed nested respectively has first slide rail box and the second slide rail box that runs through to door frame inner wall top surface, the connecting rod slides and pegs graft in the bottom surface of pinion rack, and the connecting rod slides and peg graft at slide mechanism's top, the fixed cover of view door plant connects in the door frame, the overlap joint inclined plane is seted up in the one side that the view door plant was kept away from to the door frame inner wall.

Preferably, slide mechanism includes the slide, and the slide slides and cup joints on the connecting rod, two connecting pieces of bottom fixedly connected with of slide, and two connecting pieces slide respectively and alternate in first slide rail box and second slide rail box, the equal swing joint in the left and right sides of connecting piece has first pulley, and the bottom swing joint of connecting piece has two second pulleys and link, two the other end of link and one side fixed connection of sliding door mechanism.

Preferably, sliding door mechanism includes movable door board, movable door board fixed connection is in the one end of two links, and the activity of movable door board cup joints in the door frame, the activity chamber has been seted up in the movable door board, and the activity intracavity activity interlude has the movable rod, and the movable rod divides fixedly to cup joint the spacing ring and the activity has cup jointed first spring, and the one end of movable rod run through the activity chamber and rather than the third pulley swing joint of avris, one side of movable door board is fixed nested has the pressure relief mechanism rather than the opposite side intercommunication.

Preferably, pressure release mechanism includes the pressure release box, and the fixed middle part of inserting at the floating gate board of pressure release box, the opening that runs through to its opposite side is seted up to one side of pressure release box, and the opposite side of pressure release box has seted up the pressure release groove, the relative one side sliding connection of pressure release box inner wall has two wedge sliders, and the relative one side sliding connection of two wedge sliders has trapezoidal slider, and one side of trapezoidal slider sets up the ventilation groove that runs through to its opposite side, one side activity grafting of pressure release box has the activity to tie, and the one end of activity tie runs through the pressure release box and rather than one side fixed connection of the trapezoidal slider of inboard, the activity has cup jointed the second spring on the bolt.

Preferably, one side of the sliding plate opposite to the lapping inclined plane is provided with a first inclined plane matched with the sliding plate, and the other side of the sliding plate opposite to the landscape door plate is provided with a second inclined plane matched with the landscape door plate.

Preferably, one side of the lapping inclined plane is fixedly nested with a first damping rubber strip, and one side of the landscape door panel close to the lapping inclined plane is fixedly nested with a second damping rubber strip.

Preferably, the number of the movable cavities is a plurality, the movable cavities are arranged in parallel at equal intervals, and the number and the positions of the positioning holes correspond to the movable cavities one to one.

Compared with the prior art, the invention has the beneficial effects that:

according to the landscape door plate, the landscape door plate and the movable door plate are provided with the second inclined planes which are matched with each other, so that the wind resistance of the door plate splicing part is improved, when the movable door plate slides to the side opposite to the landscape door plate to be attached through the matching of the third pulley, the third pulley pushes the movable rod to be spliced to the positioning hole, the stability of the connecting part of the movable door plate and the door frame is further improved, the impact resistance of the movable door plate is greatly improved, meanwhile, the door plate is prevented from being frequently impacted due to wind power, the stability is improved, and the service life is prolonged.

According to the invention, the movable bolt pushes the trapezoidal sliding blocks to move towards the through opening, so that the two wedge-shaped sliding blocks can be pushed to simultaneously move towards two sides, the ventilation groove is separated from the plugs of the two wedge-shaped sliding blocks and is exposed out of the inner side of the through opening, and therefore, air on the outer side of the movable door plate can flow through the through opening, the ventilation groove and the pressure relief groove, the pressure of transverse sliding of the movable door plate is reduced, and the movable door plate is convenient to use in strong wind weather.

According to the invention, the splicing gap between the movable door plate, the door frame and the landscape door plate is not easy to ventilate by the first inclined plane formed by the lapping inclined plane and one side of the movable door plate and the second inclined plane formed by the other side of the movable door plate and matched with the landscape door plate, so that a large wind whistle is avoided, the noise generated when the movable door plate is closed can be reduced by the first damping rubber arranged on the lapping inclined plane and the second damping rubber arranged on the inclined plane on one side of the landscape door plate, the vibration generated by the door plate is absorbed by the first damping rubber, so that the effect of reducing the noise is further achieved, and the practicability is higher.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of the structure of the present invention;

figure 3 is a top cross-sectional view of the toothed plate of the present invention construction;

FIG. 4 is a top view of a first slide cassette of the present construction;

FIG. 5 is a perspective cross-sectional view of a mechanical chamber of the present invention;

FIG. 6 is a perspective view of a structural floating door panel in accordance with the present invention;

FIG. 7 is an enlarged view taken at A in FIG. 6 of the present invention;

FIG. 8 is a top cross-sectional view of a wedge sled constructed in accordance with the present invention;

FIG. 9 is a front cross-sectional view of the wedge sled active volume of the present invention configuration.

In the figure: 1. a transmission positioning mechanism; 101. a door frame; 102. a mechanical cavity; 103. a drive gear shaft; 104. a toothed plate; 105. a first slide rail box; 106. a second slide rail box; 2. a connecting rod; 3. a sliding mechanism; 301. a slide plate; 302. a connecting member; 303. a first pulley; 304. a second pulley; 305. a connecting frame; 4. a sliding door mechanism; 401. a movable door panel; 402. a movable cavity; 403. a movable rod; 404. a limiting ring; 405. a first spring; 406. a third pulley; 5. a pressure relief mechanism; 501. a pressure relief box; 502. a port; 503. a pressure relief groove; 504. a wedge-shaped slider; 505. a trapezoidal slider; 506. a ventilation slot; 507. a movable bolt; 508. a second spring; 6. a landscape door panel; 7. lapping the inclined planes; 8. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a view room door with anti-wind shock-absorbing function, including transmission positioning mechanism 1, it has connecting rod 2 to slide the grafting in transmission positioning mechanism 1, and the bottom sliding connection of connecting rod 2 has slide mechanism 3, and slide mechanism 3's bottom fixedly connected with sliding door mechanism 4, one side of sliding door mechanism 4 is fixed to be cup jointed Europe and runs through to the pressure relief mechanism 5 of its opposite side, and one side fixedly connected with view door plant 6 of 1 inner wall of transmission positioning mechanism, overlap joint inclined plane 7 has been seted up to the opposite side of 1 inner wall of transmission positioning mechanism, and locating hole 8 has been seted up to one side of overlap joint inclined plane 7.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the transmission positioning mechanism 1 includes a door frame 101, and the door frame 101 is fixedly connected to the landscape door panel 6, a mechanical cavity 102 is provided on an upper portion of the door frame 101, and a top of an inner wall of the mechanical cavity 102 is movably connected to a transmission gear shaft 103, and one side of the inner wall of the mechanical cavity 102 is slidably connected to a toothed plate 104, and the toothed plate 104 is engaged with the transmission gear shaft 103, a first sliding rail box 105 and a second sliding rail box 106 penetrating through a top surface of an inner wall of the door frame 101 are respectively fixedly nested on a bottom surface of the inner wall of the mechanical cavity 102, the connecting rod 2 is slidably inserted on a bottom surface of the toothed plate 104, and the connecting rod 2 is slidably inserted on a top of the sliding mechanism 3, the landscape door panel 6 is fixedly nested in the door frame 101, and the lapping inclined surface 7 is provided on one side of the inner wall of the door frame 101, which is far away from the landscape door panel 6.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, the sliding mechanism 3 includes a sliding plate 301, the sliding plate 301 is slidably sleeved on the connecting rod 2, two connecting members 302 are fixedly connected to the bottom of the sliding plate 301, the two connecting members 302 are respectively slidably inserted into the first sliding rail box 105 and the second sliding rail box 106, the left and right sides of the connecting member 302 are both movably connected with a first pulley 303, the bottom of the connecting member 302 is movably connected with two second pulleys 304 and a connecting frame 305, and the other ends of the two connecting frames 305 are fixedly connected with one side of the sliding door mechanism 4.

In this embodiment, as shown in fig. 2, fig. 6, fig. 7, and fig. 9, the sliding door mechanism 4 includes a movable door plate 401, the movable door plate 401 is fixedly connected to one end of two connecting frames 305, the movable door plate 401 is movably sleeved in the door frame 101, a movable cavity 402 is formed in the movable door plate 401, a movable rod 403 is movably inserted in the movable cavity 402, the movable rod 403 is fixedly sleeved with a limiting ring 404 and a first spring 405, one end of the movable rod 403 penetrates through the movable cavity 402 and is movably connected to a third pulley 406 on the side of the movable rod, and a pressure relief mechanism 5 communicated with the other side of the movable door plate 401 is fixedly nested on one side of the movable door plate 401.

In this embodiment, as shown in fig. 1, fig. 2, fig. 6, fig. 8 and fig. 9, the pressure releasing mechanism 5 includes a pressure releasing box 501, the pressure releasing box 501 is fixedly inserted into the middle of the movable door plate 401, one side of the pressure releasing box 501 is provided with a through hole 502 penetrating to the other side thereof, the other side of the pressure releasing box 501 is provided with a pressure releasing groove 503, one side of the inner wall of the pressure releasing box 501 opposite to the inner wall is slidably connected with two wedge-shaped sliders 504, one side of the two wedge-shaped sliders 504 opposite to each other is slidably connected with a trapezoidal slider 505, one side of the trapezoidal slider 505 is provided with a ventilation groove 506 penetrating to the other side thereof, one side of the pressure releasing box 501 is movably inserted with a movable bolt 507, one end of the movable bolt 507 penetrates through the pressure releasing box 501 and is fixedly connected to one side of the trapezoidal slider 505 inside thereof, a second spring 508 is movably sleeved on the movable bolt 507, inclined surfaces of one side of the two wedge-shaped sliders 504 opposite to each other are provided with a sliding groove matching with two sides of the trapezoidal slider 505, the movable bolt 507 pushes the trapezoidal sliding blocks 505 to move towards the through hole 502, the two wedge-shaped sliding blocks 504 can be pushed to simultaneously move towards two sides, the ventilation groove 506 is separated from the blocking of the two wedge-shaped sliding blocks 504 and is exposed on the inner side of the through hole 502, and therefore air on the outer side of the movable door plate 401 can flow through the through hole 502, the ventilation groove 506 and the pressure relief groove 503, the pressure of the transverse sliding of the movable door plate 401 is reduced, and the movable door plate is convenient to use in strong wind weather.

In this embodiment, as shown in fig. 2, fig. 6, fig. 7 and fig. 9, a first inclined plane matched with the sliding plate 301 is provided on the opposite side of the overlapping inclined plane 7 of the sliding plate 301, and a second inclined plane matched with the sliding plate 301 is provided on the opposite side of the sliding plate 301 and the landscape door panel 6, a second inclined plane matched with the sliding plate is provided on the opposite side of the landscape door panel 6 and the movable door panel 401, so as to improve the wind resistance of the door panel splicing part, when the movable door panel 401 slides to the opposite side of the landscape door panel 6 to be spliced through the cooperation of the third pulley 406, the third pulley 406 pushes the movable rod 403 to be inserted into the positioning hole 8, thereby further improving the stability of the joint of the movable door panel 401 and the door frame 101, greatly improving the impact resistance of the movable door panel 401, and simultaneously avoiding frequent impact of the door panel due to wind, improving the stability and prolonging the service life.

In the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, a first damping rubber strip is fixedly nested on one side of the lapping inclined plane 7, a second damping rubber strip is fixedly nested on one side of the landscape door panel 6 close to the lapping inclined plane 7, the splicing gaps among the movable door plate 401, the door frame 101 and the landscape door plate 6 are not easy to ventilate by the first inclined plane formed by the lapping inclined plane 7 and one side of the movable door plate 401 and the second inclined plane formed by the other side of the movable door plate 401 and the landscape door plate 6, so as to avoid larger wind whistle, by overlapping the first damping rubber arranged on the inclined plane 7 and the second damping rubber arranged on the inclined plane at one side of the landscape door panel 6, noise that the reducible movable door board 401 produced when closed to shock to the door plant production is absorbed, with the effect that further reaches the noise reduction, the practicality is higher.

In this embodiment, as shown in fig. 1, fig. 2, fig. 6, and fig. 9, the number of the movable cavities 402 is several, the movable cavities 402 are arranged in parallel at equal intervals, and the number and the positions of the positioning holes 8 correspond to the movable cavities 402 one by one.

The use method and the advantages of the invention are as follows: this kind of view room door with anti-wind shock-absorbing function is when using, and the course of work is as follows:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, when the movable door panel 401 is opened, it slides to one side of the overlapping inclined plane 7, the two connecting frames 305 and the connecting pieces 302 slide in the first slide rail box 105 and the second slide rail box 106 respectively through the first pulley 303 and the second pulley 304 which are movably connected thereon, and under the cooperation of the slide plate 301, the connecting rod 2 drives the toothed plate 104 to slide at one side of the mechanical cavity 102, so that the sliding is more labor-saving under the cooperation of the transmission gear shaft 103, when the two connecting pieces 302 slide to the arcs of the first slide rail box 105 and the second slide rail box 106 respectively, the connecting pieces 302 are rotatably engaged at the top end of the connecting frames 305, the slide plate 301 is engaged on the connecting rod 2, and simultaneously the second inclined plane of the movable door panel 401 is gradually engaged with the second inclined plane at one side of the landscape door panel 6, and the third pulley 406 is pressed by the second inclined plane of the landscape door panel 6, the movable rod 403 moves towards the positioning hole 8 to be inserted into the positioning hole, so that the stability of the connection position of the movable door panel 401 and the door frame 101 is further improved, the shock resistance of the movable door panel 401 is greatly improved, when the movable door panel 401 needs to be opened when external wind is too large, the movable bolt 507 can be pressed to push the trapezoidal sliding block 505 to move towards the through hole 502, the two wedge-shaped sliding blocks 504 which are in sliding connection with the two sides of the movable door panel are simultaneously transversely moved towards the two sides, the ventilation groove 506 on one side of the trapezoidal sliding block 505 is separated from the blocking of the two wedge-shaped sliding blocks 504 and is exposed out of the inner side of the through hole 502, so that wind on the outer side of the movable door panel 401 can sequentially pass through the through hole 502, the ventilation groove 506 and the pressure relief groove 503 towards the inner side, the transverse sliding pressure of the movable door panel 401 is reduced, the movable bolt is convenient to use in windy weather, the movable bolt 507 can be reset through the second spring 508, and simultaneously drives the two wedge-shaped sliding blocks 504 to reset to block the through hole again, when the movable door panel 401 moves transversely, the third pulley 406 gradually disengages from the extrusion of the second inclined surface of the landscape door panel 6, and under the cooperation of the first spring 405 and the limiting ring 404, the movable rod 403 can be pushed to reset and disengage from the insertion connection with the positioning hole 8, so that the movable door panel 401 is opened.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a view living room door with anti-wind shock-absorbing function, includes transmission positioning mechanism (1), its characterized in that: the improved door sliding mechanism is characterized in that a connecting rod (2) is inserted in the transmission positioning mechanism (1) in a sliding mode, the bottom of the connecting rod (2) is connected with a sliding mechanism (3) in a sliding mode, a sliding door mechanism (4) is fixedly connected to the bottom end of the sliding mechanism (3), a pressure relief mechanism (5) penetrating through to the other side of the sliding door mechanism is fixedly sleeved on one side of the sliding door mechanism (4), a landscape door plate (6) is fixedly connected to one side of the inner wall of the transmission positioning mechanism (1), an overlapping inclined plane (7) is arranged on the other side of the inner wall of the transmission positioning mechanism (1), and a positioning hole (8) is formed in one side of the overlapping inclined plane (7).

2. The landscape dwelling door with the wind-resistant and shock-absorbing function of claim 1, wherein: the transmission positioning mechanism (1) comprises a door frame (101), the door frame (101) is fixedly sleeved on the landscape door plate (6), the upper part of the door frame (101) is provided with a mechanical cavity (102), the top of the inner wall of the mechanical cavity (102) is movably connected with a transmission gear shaft (103), one side of the inner wall of the mechanical cavity (102) is connected with a toothed plate (104) in a sliding way, and the toothed plate (104) is meshed with the transmission gear shaft (103), the bottom surface of the inner wall of the mechanical cavity (102) is respectively and fixedly nested with a first slide rail box (105) and a second slide rail box (106) which penetrate through the top surface of the inner wall of the door frame (101), the connecting rod (2) is inserted in the bottom surface of the toothed plate (104) in a sliding manner, the connecting rod (2) is inserted at the top of the sliding mechanism (3) in a sliding way, the landscape door panel (6) is fixedly sleeved in the door frame (101), the lap joint inclined plane (7) is arranged on one side, far away from the landscape door panel (6), of the inner wall of the door frame (101).

3. The landscape dwelling door with the wind-resistant and shock-absorbing function of claim 2, wherein: slide mechanism (3) include slide (301), and slide (301) slide and cup joint on connecting rod (2), two connecting pieces of bottom fixedly connected with (302) of slide (301), and two connecting pieces (302) slide respectively and alternate in first slide rail box (105) and second slide rail box (106), the equal swing joint in the left and right sides of connecting piece (302) has first pulley (303), and the bottom swing joint of connecting piece (302) has two second pulleys (304) and link (305), two the other end of link (305) and one side fixed connection of sliding door mechanism (4).

4. The landscape dwelling door with the wind-resistant and shock-absorbing function of claim 3, wherein: sliding door mechanism (4) are including activity door plant (401), activity door plant (401) fixed connection is in the one end of two link (305), and activity door plant (401) activity cup joints in door frame (101), activity chamber (402) have been seted up in activity door plant (401), and activity chamber (402) internalization alternates and have movable rod (403), and movable rod (403) go up the branch fixed spacing ring (404) of having cup jointed and the activity has cup jointed first spring (405), and the one end of movable rod (403) runs through activity chamber (402) and rather than third pulley (406) swing joint of avris, one side of activity door plant (401) is fixed nested has pressure release mechanism (5) rather than the opposite side intercommunication.

5. The landscape dwelling door with the wind-resistant and shock-absorbing function of claim 1, wherein: the pressure relief mechanism (5) comprises a pressure relief box (501), the pressure relief box (501) is fixedly inserted in the middle of the movable door panel (401), one side of the pressure relief box (501) is provided with a through hole (502) which penetrates to the other side of the pressure relief box, and the other side of the pressure relief box (501) is provided with a pressure relief groove (503), one side opposite to the inner wall of the pressure relief box (501) is connected with two wedge-shaped sliding blocks (504) in a sliding way, and one side of the two wedge-shaped sliding blocks (504) opposite to each other is connected with a trapezoidal sliding block (505) in a sliding way, one side of the trapezoidal sliding block (505) is provided with a ventilation groove (506) which penetrates to the other side of the trapezoidal sliding block, one side of the pressure relief box (501) is movably inserted with a movable bolt (507), and one end of the movable bolt (507) penetrates through the pressure relief box (501) and is fixedly connected with one side of the trapezoidal sliding block (505) on the inner side of the pressure relief box, and the movable bolt (507) is movably sleeved with a second spring (508).

6. The landscape dwelling door with the wind-resistant and shock-absorbing function of claim 3, wherein: the opposite side of slide (301) overlap inclined plane (7) is seted up and is seted up first inclined plane rather than matched with, and the opposite side of slide (301) and landscape door plant (6) are all seted up matched with second inclined plane.

7. The landscape dwelling door with the wind-resistant and shock-absorbing function of claim 1, wherein: one side of overlap joint inclined plane (7) is fixed nested has first yielding rubber strip, landscape door plant (6) are close to one side of overlap joint inclined plane (7) and are fixed nested has second yielding rubber strip.

8. The landscape dwelling door with the wind-resistant and shock-absorbing function of claim 4, wherein: the number of the movable cavities (402) is a plurality, the movable cavities (402) are arranged in parallel at equal intervals, and the number and the positions of the positioning holes (8) correspond to the movable cavities (402) one by one.