Positioning frame with good fixing effect for chip mounter

Abstract

The positioning frame for the chip mounter is good in fixing effect and comprises a bottom plate, a carrying plate, a left side fixing device, a right side fixing device, a front side fixing device and a rear side fixing device, a first air cylinder and a second air cylinder are installed on the bottom plate, and a rubber supporting column is fixedly installed at the upper end of the carrying plate. A photovoltaic circuit board is placed above the rubber supporting columns, the left side fixing device is arranged on the left side of the photovoltaic circuit board, the right side fixing device is arranged on the right side of the photovoltaic circuit board, the front side fixing device is arranged on the front side of the photovoltaic circuit board, the rear side fixing device is arranged on the rear side of the photovoltaic circuit board, and a stable guide mechanism is installed in the middle of the bottom plate. And a buffer mechanism is mounted above the stable guide mechanism. According to the utility model, the photovoltaic circuit board can be positioned and fixed in the front, back, left and right directions, so that the photovoltaic circuit board is stably fixed; and meanwhile, the buffering protection effect can be achieved in the fixing process, and application and popularization are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning frames, in particular to a positioning frame for a chip mounter with good fixing effect. Background Art

[0002] The photovoltaic equipment industry exists as a supporting industry for the photovoltaic industry. During the processing of photovoltaic equipment, components need to be mounted on photovoltaic circuit boards. At this time, a placement machine is needed for placement. The positioning frame in the placement machine is mainly used to fix the photovoltaic circuit boards.

[0003] The prior art discloses a positioning frame for a photovoltaic device patch machine with an application number of 201921247696.2, and its structure includes a spring, a fixing plate and a clamping mechanism. The positioning frame for a photovoltaic device patch machine is provided with a clamping mechanism at the upper end of the operating table, and the support rod is moved so that the support rod drives the rotating sleeve to rotate on the inner side of the base through the cross-bite, so that the support rod can swing left and right, and the rotating sleeve can rotate at the upper end of the cross-bite so that the support rod can swing back and forth, thereby adjusting the fixing direction of the pressure rod, and then holding the anti-slip sleeve, swinging the operating handle upward, so that the operating handle drives the right end of the second movable rod to swing upward, so that the left end of the second movable rod drives the pressure rod and the pressure block to the lower end to support the photovoltaic device for auxiliary fixation, thereby achieving the advantage of being able to fix the top of the photovoltaic device and making the photovoltaic device fixed and stable. However, the prior art still has the problem of fixing the left and right directions of the photovoltaic circuit board, and being unable to position and fix the front and rear directions of the photovoltaic circuit board; it does not have a buffering function, and cannot reduce the vertical impact force during the processing, and is prone to damage by impact. For this reason, we propose a positioning frame for a placement machine with good fixing effect to solve the above problems. Utility Model Content

[0004] In view of the shortcomings existing in the above problems, the utility model provides a positioning frame for a chip mounter with good fixing effect, which can position and fix the photovoltaic circuit board in four directions of front, back, left, and right, so that the photovoltaic circuit board is firmly fixed; at the same time, it can play a role of buffering and protection during the fixing process.

[0005] In order to solve the above problems, the technical solution provided by the utility model is as follows:

[0006] A positioning frame for a patch machine with good fixing effect comprises a base plate, a carrier plate and a photovoltaic circuit board fixing device, wherein a foot is fixedly installed at the lower end of the base plate, a first cylinder is fixedly installed at the upper left end of the base plate, and a second cylinder is fixedly installed at the upper right end of the base plate, the output ends of the first cylinder and the second cylinder are both fixedly connected to the carrier plate, a rubber support column is fixedly installed at the upper end of the carrier plate, a photovoltaic circuit board is placed above the rubber support column, and the photovoltaic circuit board fixing device comprises a left side fixing device, a right side fixing device, a front side fixing device and a rear side fixing device, the left side fixing device is arranged on the left side of the photovoltaic circuit board, the right side fixing device is arranged on the right side of the photovoltaic circuit board, the front side fixing device is arranged on the front side of the photovoltaic circuit board, and the rear side fixing device is arranged on the rear side of the photovoltaic circuit board, a stabilizing guide mechanism is installed in the middle of the base plate, and a buffer mechanism is installed above the stabilizing guide mechanism.

[0007] Furthermore, the left-side fixing device includes a first telescopic push rod, a left-side movable seat and a left clamping plate, the first telescopic push rod is installed above the base plate, the output end of the first telescopic push rod is fixedly connected to the left-side movable seat, the lower end of the left-side movable seat is connected to the base plate for left-right sliding movement, and the left clamping plate is fixedly installed at the upper right side of the left-side movable seat, and the right-side fixing device includes a second telescopic push rod, a right-side movable seat and a right clamping plate, the second telescopic push rod is installed above the base plate, the output end of the second telescopic push rod is fixedly connected to the right-side movable seat, the lower end of the right-side movable seat is connected to the base plate for left-right sliding movement, and the right clamping plate is fixedly installed at the upper left side of the right-side movable seat.

[0008] Furthermore, the front fixing device includes a front clamping plate, a front upright frame and a front threaded rod, the front upright frame is fixedly installed above the carrier plate, one end of the front threaded rod is rotatably connected to the front clamping plate via a front connecting seat, the other end of the front threaded rod is fixedly installed with a front adjusting button, the front threaded rod passes through the front upright frame and is threadedly connected to the front upright frame, and the rear fixing device includes a rear clamping plate, a rear upright frame and a rear threaded rod, the rear upright frame is fixedly installed above the carrier plate, one end of the rear threaded rod is rotatably connected to the rear clamping plate via a rear connecting seat, the other end of the rear threaded rod is fixedly installed with a rear adjusting button, the rear threaded rod passes through the rear upright frame and is threadedly connected to the rear upright frame.

[0009] Furthermore, the carrier plate is provided with a first opening and a second opening, the left movable seat passes through the first opening, and the right movable seat passes through the second opening.

[0010] Furthermore, the buffer mechanism includes a damping spring shock absorber, a lower buffer connecting plate and an upper buffer connecting plate, and the damping spring shock absorber is installed between the lower buffer connecting plate and the upper buffer connecting plate.

[0011] Furthermore, the stabilizing guide mechanism includes a fixed guide sleeve, a movable rod and a connecting plate. The fixed guide sleeve is fixedly installed above the base plate. The upper end of the movable rod is fixedly connected to the lower buffer connecting plate. A slot is provided in the fixed guide sleeve. A connecting plate is provided in the slot. The connecting plate is movably connected to the inner wall of the slot up and down. The movable rod movably passes through the fixed guide sleeve, and the lower end of the movable rod is fixedly connected to the connecting plate.

[0012] Furthermore, a first slide groove and a second slide groove are provided on the upper surface of the carrier plate, a front slider is fixedly installed on the lower end of the front clamp plate, and the front slider is slidably connected to the first slide groove front and back, and a rear slider is fixedly installed on the lower end of the rear clamp plate, and the rear slider is slidably connected to the first slide groove front and back.

[0013] Furthermore, a non-slip rubber pad is provided on one side of the left clamping plate, the right clamping plate, the front clamping plate and the rear front clamping plate which are in contact with the photovoltaic circuit board.

[0014] Furthermore, the left movable seat is connected to the inner wall of the first opening in a left-right sliding manner, and the right movable seat is connected to the inner wall of the second opening in a left-right sliding manner.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The photovoltaic circuit board placed on the rubber support is fixed by the photovoltaic circuit board fixing device. The rubber support is made of polyurethane rubber material. Polyurethane rubber has the characteristics of high hardness, good strength, high elasticity, good buffering and shock absorption, etc. It can provide buffering protection for the photovoltaic circuit board during the patch processing;

[0017] 2. The photovoltaic circuit board fixing device includes a left fixing device, a right fixing device, a front fixing device and a rear fixing device. The left fixing device is arranged on the left side of the photovoltaic circuit board, the right fixing device is arranged on the right side of the photovoltaic circuit board, the front fixing device is arranged on the front side of the photovoltaic circuit board, and the rear fixing device is arranged on the rear side of the photovoltaic circuit board. The photovoltaic circuit board can be positioned and fixed in four directions, front, back, left, right, and so on, so that the photovoltaic circuit board is fixed firmly;

[0018] 3. A stable guide mechanism is installed in the middle of the bottom plate, and the stable guide mechanism can make the process of pushing the carrier plate up and down by the first cylinder and the second cylinder more stable;

[0019] 4. The photovoltaic circuit panels placed on the rubber support column are buffered and protected by the damping spring shock absorber.

[0020] In summary, this positioning frame for a chip placement machine with good fixing effect has wide practicality, and can solve the problem that the prior art proposed in the above background technology still fixes the left and right directions of the photovoltaic circuit board, and cannot position and fix the front and back directions of the photovoltaic circuit board; it does not have a buffering function, cannot reduce the vertical impact force during the processing, and is prone to damage by impact, and has wide promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the utility model in which the left fixing device and the right fixing device fix the photovoltaic circuit board;

[0023] Figure 3 It is a schematic diagram of the top view of the carrier plate of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the buffer mechanism of the utility model;

[0025] Figure 5 It is a schematic structural diagram of the front fixing device and the rear fixing device of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the stable guide mechanism of the utility model;.

[0027] Description of main component symbols:

[0028] 1-bottom plate, 2-carrying plate, 201-first opening, 202-second opening, 203-first slide, 204-second slide, 3-photovoltaic circuit board, 4-bottom foot, 5-first cylinder, 6-second cylinder, 7-first telescopic push rod, 8-second telescopic push rod, 9-left moving seat, 10-right moving seat, 11-left clamping plate, 12-right clamping plate, 13-front fixing device, 1301-front clamping plate, 1302-front stand, 1303-front threaded rod, 1304-front adjustment button, 1305-front connecting seat, 1306-front Side slider, 14-rear fixing device, 1401-rear splint, 1402-rear stand, 1403-rear threaded rod, 1404-rear adjusting button, 1405-rear connecting seat, 1406-rear slider, 15-stable guide mechanism, 1501-fixed guide sleeve, 150101-slot, 1502-first movable rod, 1503-second movable rod, 1504-connecting plate, 16-buffer mechanism, 1601-damping spring shock absorber, 1602-lower buffer connecting plate, 1603-upper buffer connecting plate, 17-rubber support column. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below with reference to the accompanying drawings and examples, but the examples are not intended to limit the utility model.

[0030] like Figure 1-6 As shown, an embodiment of the utility model includes a base plate 1, a carrier plate 2 and a photovoltaic circuit board fixing device, a base foot 4 is fixedly installed on the lower end of the base plate 1, a first cylinder 5 is fixedly installed on the upper left end of the base plate 1, and a second cylinder 6 is fixedly installed on the upper right end of the base plate 1, the output ends of the first cylinder 5 and the second cylinder 6 are both fixedly connected to the carrier plate 2, a rubber support column 17 is fixedly installed on the upper end of the carrier plate 2, and the photovoltaic circuit board 3 placed on the rubber support column 17 is fixed by the photovoltaic circuit board fixing device, and the rubber support column 17 is made of polyurethane rubber material, and the polyurethane rubber has the characteristics of high hardness, good strength, high elasticity, good buffering and shock absorption, etc., and can provide buffering protection for the photovoltaic circuit board 3 during the patch processing.

[0031] The photovoltaic circuit board fixing device includes a left fixing device, a right fixing device, a front fixing device 13 and a rear fixing device 14. The left fixing device is arranged on the left side of the photovoltaic circuit board 3, the right fixing device is arranged on the right side of the photovoltaic circuit board 3, the front fixing device 13 is arranged on the front side of the photovoltaic circuit board 3, and the rear fixing device 14 is arranged on the rear side of the photovoltaic circuit board 3. The left and right sides of the photovoltaic circuit board 3 are fixed by the left fixing device and the right fixing device, and the photovoltaic circuit board 3 is fixed between the left fixing device and the right fixing device. The front and back sides of the photovoltaic circuit board 3 are fixed by the front fixing device 13 and the rear fixing device 14, and the photovoltaic circuit board 3 is fixed between the front fixing device 13 and the rear fixing device 14. The photovoltaic circuit board 3 can be positioned and fixed in four directions of front, back, left and right, so that the photovoltaic circuit board 3 is firmly fixed.

[0032] A stabilizing guide mechanism 15 is installed in the middle of the base plate 1. The stabilizing guide mechanism 15 can make the process of pushing the carrier plate 2 to rise and fall by the first cylinder 5 and the second cylinder 6 more stable. The stabilizing guide mechanism 15 includes a fixed guide sleeve 1501, a movable rod and a connecting plate 1504. The fixed guide sleeve 1501 is fixedly installed above the base plate 1. The upper end of the movable rod is fixedly connected to the lower buffer connecting plate 1602. 150101 is opened in the fixed guide sleeve 1501. A connecting plate 1504 is arranged in 150101. The connecting plate 1504 is movably connected to the inner wall of 150101 up and down. The movable rod movably passes through the fixed guide sleeve 1501, and the lower end of the movable rod is fixedly connected to the connecting plate 1504.

[0033] A buffer mechanism 16 is installed above the stabilizing guide mechanism 15, and the buffer mechanism 16 includes a damping spring shock absorber 1601, a lower buffer connecting plate 1602 and an upper buffer connecting plate 1603. The damping spring shock absorber 1601 is installed between the lower buffer connecting plate 1602 and the upper buffer connecting plate 1603. The photovoltaic circuit board 3 placed on the rubber support column 17 is buffered and protected by the damping spring shock absorber 1601. The damping spring shock absorber 1601 has good vibration isolation effect, compact structure, small size, and easy installation and replacement.

[0034] The left fixing device includes a first telescopic push rod 7, a left movable seat 9 and a left clamping plate 11. The first telescopic push rod 7 is installed above the bottom plate 1. The left movable seat 9 is pushed to move left and right by the first telescopic push rod 7, and then the position of the left clamping plate 11 is adjusted left and right. Similarly, the right movable seat 10 is pushed to move left and right by the second telescopic push rod 8, and then the position of the right clamping plate 12 is adjusted left and right. The distance between the left clamping plate 11 and the right clamping plate 12 is adjusted to adapt to the fixation of photovoltaic circuit boards 3 of different sizes. The carrier plate 2 is pushed to move up and down by the first cylinder 5 and the second cylinder 6, and then the height of the photovoltaic circuit board 3 is adjusted. The photovoltaic circuit board 3 is adjusted upward so that the upper surfaces of the left clamping plate 11 and the right clamping plate 12 are fitted together. A downward pressure is applied to the photovoltaic circuit board 3 by the left clamping plate 11 and the right clamping plate 12 to fix the photovoltaic circuit board 3 on the carrier plate 2. The output end of the telescopic push rod 7 is fixedly connected to the left movable seat 9, the lower end of the left movable seat 9 is slidably connected to the bottom plate 1 left and right, the left clamping plate 11 is fixedly installed on the upper right side of the left movable seat 9, and the right fixing device includes a second telescopic push rod 8, a right movable seat 10 and a right clamping plate 12, the second telescopic push rod 8 is installed above the bottom plate 1, the output end of the second telescopic push rod 8 is fixedly connected to the right movable seat 10, the lower end of the right movable seat 10 is slidably connected to the bottom plate 1 left and right, the right clamping plate 12 is fixedly installed on the upper left side of the right movable seat 10, a first opening 201 and a second opening 202 are provided on the carrier plate 2, the left movable seat 9 passes through the first opening 201, the right movable seat 10 passes through the second opening 202, the left movable seat 9 is slidably connected to the inner wall of the first opening 201 left and right, and the right movable seat 10 is slidably connected to the inner wall of the second opening 202 left and right.

[0035] The first telescopic push rod 7 and the second telescopic push rod 8 are electric push rods of model HF-TGA.

[0036] The front fixing device 13 includes a front clamping plate 1301, a front stand 1302 and a front threaded rod 1303. The front stand 1302 is fixedly mounted above the carrier plate 2. One end of the front threaded rod 1303 is rotatably connected to the front clamping plate 1301 through a front connecting seat 1305. The other end of the front threaded rod 1303 is fixedly mounted with a front adjusting knob 1304. The front threaded rod 1303 passes through the front stand 1302 and is threadedly mounted with the front stand 1302. The rear fixing device 14 comprises a rear clamping plate 1401, a rear stand 1402 and a rear threaded rod 1403. The rear stand 1402 is fixedly mounted above the carrier plate 2. One end of the rear threaded rod 1403 is rotatably connected to the rear clamping plate 1401 through a rear connecting seat 1405. The other end of the rear threaded rod 1403 is fixedly mounted with a rear adjusting button 1404. The rear threaded rod 1403 passes through the rear stand 1402 and is connected to the rear stand 1402. 402 is threadedly connected, and a first slide groove 203 and a second slide groove 204 are provided on the upper surface of the carrier plate 2. A front slider 1306 is fixedly installed at the lower end of the front side clamping plate 1301, and the front slider 1306 is slidably connected to the first slide groove 203 front and back. A rear slider 1406 is fixedly installed at the lower end of the rear side clamping plate 1401, and the rear slider 1406 is slidably connected to the first slide groove 203 front and back. Turning the front side adjusting button 1304 drives the front side threaded rod 1303 to rotate, thereby adjusting the position of the front side clamping plate 1301 front and back. Similarly, turning the rear side adjusting button 1404 drives the rear side threaded rod 1403 to rotate, thereby adjusting the position of the rear side clamping plate 1401 front and back. A backward pressure is applied to the photovoltaic circuit board 3 through the front side clamping plate 1301, and a forward pressure is applied to the photovoltaic circuit board 3 through the rear side clamping plate 1401, so that the photovoltaic circuit board 3 is fixed between the front side clamping plate 1301 and the rear side clamping plate 1401.

[0037] A non-slip rubber pad is provided on the side where the left clamping plate 11, the right clamping plate 12, the front clamping plate 1301 and the rear clamping plate 1401 are in contact with the photovoltaic circuit board 3, so as to increase the friction coefficient of the contact surface between the left clamping plate 11, the right clamping plate 12, the front clamping plate 1301 and the rear clamping plate 1401 and the photovoltaic circuit board 3, thereby improving the fixing effect on the photovoltaic circuit board 3.

[0038] Among them, the first cylinder 5, the second cylinder 6, the first telescopic push rod 7, the first telescopic push rod 8 and the damping spring shock absorber 1601 are all conventional devices in this field, and the electrical components appearing in the text are all electrically connected to the external main controller and power supply, and the main controller can be a conventional known device for control such as a computer.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A positioning frame for a chip mounter with good fixing effect, comprising a base plate (1), a carrier plate (2) and a photovoltaic circuit board fixing device, wherein a foot (4) is fixedly mounted at the lower end of the base plate (1), characterized in that: A first cylinder (5) is fixedly mounted on the upper left end of the bottom plate (1), and a second cylinder (6) is fixedly mounted on the upper right end of the bottom plate (1). The output ends of the first cylinder (5) and the second cylinder (6) are both fixedly connected to the carrier plate (2). A rubber support column (17) is fixedly mounted on the upper end of the carrier plate (2). A photovoltaic circuit board (3) is placed above the rubber support column (17). The photovoltaic circuit board fixing device comprises a left side fixing device, a right side fixing device, a front side fixing device (13) and a rear side fixing device (14). The left side fixing device is arranged on the left side of the photovoltaic circuit board (3), the right side fixing device is arranged on the right side of the photovoltaic circuit board (3), the front side fixing device (13) is arranged on the front side of the photovoltaic circuit board (3), and the rear side fixing device (14) is arranged on the rear side of the photovoltaic circuit board (3). A stabilizing guide mechanism (15) is installed in the middle of the bottom plate (1), and a buffer mechanism (16) is installed above the stabilizing guide mechanism (15).

2. A positioning frame for a chip mounter with good fixing effect as claimed in claim 1, characterized in that: The left fixing device comprises a first telescopic push rod (7), a left movable seat (9) and a left clamping plate (11), wherein the first telescopic push rod (7) is mounted above the base plate (1), the output end of the first telescopic push rod (7) is fixedly connected to the left movable seat (9), the lower end of the left movable seat (9) is slidably connected to the base plate (1), and the left clamping plate (11) is fixedly mounted on the upper right side of the left movable seat (9); the right fixing device comprises a second telescopic push rod (8), a right movable seat (10) and a right clamping plate (12), wherein the second telescopic push rod (8) is mounted above the base plate (1), the output end of the second telescopic push rod (8) is fixedly connected to the right movable seat (10), the lower end of the right movable seat (10) is slidably connected to the base plate (1), and the right clamping plate (12) is fixedly mounted on the upper left side of the right movable seat (10).

3. A positioning frame for a chip mounter with good fixing effect as claimed in claim 2, characterized in that: The front fixing device (13) comprises a front clamping plate (1301), a front stand (1302) and a front threaded rod (1303); the front stand (1302) is fixedly mounted above the carrier plate (2); one end of the front threaded rod (1303) is rotatably connected to the front clamping plate (1301) via a front connecting seat (1305); a front adjusting button (1304) is fixedly mounted on the other end of the front threaded rod (1303); the front threaded rod (1303) passes through the front stand (1302) and is threadedly connected to the front stand (1302); The rear fixing device (14) comprises a rear clamping plate (1401), a rear stand (1402) and a rear threaded rod (1403); the rear stand (1402) is fixedly mounted above the carrier plate (2); one end of the rear threaded rod (1403) is rotatably connected to the rear clamping plate (1401) via a rear connecting seat (1405); a rear adjusting button (1404) is fixedly mounted on the other end of the rear threaded rod (1403); the rear threaded rod (1403) passes through the rear stand (1402) and is threadedly connected to the rear stand (1402).

4. A positioning frame for a chip mounter with good fixing effect as claimed in claim 3, characterized in that: The carrier plate (2) is provided with a first opening (201) and a second opening (202); the left movable seat (9) passes through the first opening (201), and the right movable seat (10) passes through the second opening (202).

5. A positioning frame for a chip mounter with good fixing effect as claimed in claim 4, characterized in that: The buffer mechanism (16) comprises a damping spring shock absorber (1601), a lower buffer connecting plate (1602) and an upper buffer connecting plate (1603), wherein the damping spring shock absorber (1601) is installed between the lower buffer connecting plate (1602) and the upper buffer connecting plate (1603).

6. A positioning frame for a chip mounter with good fixing effect as claimed in claim 5, characterized in that: The stabilizing guide mechanism (15) comprises a fixed guide sleeve (1501), a movable rod and a connecting plate (1504); the fixed guide sleeve (1501) is fixedly installed above the base plate (1); the upper end of the movable rod is fixedly connected to the lower buffer connecting plate (1602); a slot (150101) is provided in the fixed guide sleeve (1501); a connecting plate (1504) is provided in the slot (150101); the connecting plate (1504) is movably connected to the inner wall of the slot (150101) up and down; the movable rod movably passes through the fixed guide sleeve (1501); and the lower end of the movable rod is fixedly connected to the connecting plate (1504).

7. A positioning frame for a chip mounter with good fixing effect as claimed in claim 6, characterized in that: The upper surface of the carrier plate (2) is provided with a first slide groove (203) and a second slide groove (204); the lower end of the front side clamping plate (1301) is fixedly installed with a front side slider (1306), and the front side slider (1306) is connected to the first slide groove (203) in a forward and backward sliding manner; the lower end of the rear side clamping plate (1401) is fixedly installed with a rear side slider (1406), and the rear side slider (1406) is connected to the first slide groove (203) in a forward and backward sliding manner.

8. A positioning frame for a chip mounter with good fixing effect as claimed in claim 7, characterized in that: An anti-slip rubber pad is provided on the side where the left clamping plate (11), the right clamping plate (12), the front clamping plate (1301) and the rear clamping plate (1401) are in contact with the photovoltaic circuit board (3).

9. A positioning frame for a chip mounter with good fixing effect as claimed in claim 8, characterized in that: The left movable seat (9) is connected to the inner wall of the first opening (201) in a left-right sliding manner, and the right movable seat (10) is connected to the inner wall of the second opening (202) in a left-right sliding manner.

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