CN221979212U - Polyimide circuit board surface treatment device - Google Patents
Polyimide circuit board surface treatment device Download PDFInfo
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- CN221979212U CN221979212U CN202420215185.7U CN202420215185U CN221979212U CN 221979212 U CN221979212 U CN 221979212U CN 202420215185 U CN202420215185 U CN 202420215185U CN 221979212 U CN221979212 U CN 221979212U
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- 239000004642 Polyimide Substances 0.000 title claims abstract description 34
- 229920001721 polyimide Polymers 0.000 title claims abstract description 34
- 238000004381 surface treatment Methods 0.000 title claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003595 mist Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000007605 air drying Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007142 ring opening reaction Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
本实用新型公开了一种聚酰亚胺线路板表面处理装置，包括底座、夹持机构、吸尘机构和圆盘，所述底座的顶部固定安装有支撑架和安装箱，所述安装箱位于支撑架内部，所述支撑架左侧前端固定安装有控制面板，所述支撑架顶部内侧固定安装有电机，所述圆盘底部固定安装有吸尘机构、水雾喷头、风扇和清理装置，所述清理装置位于吸尘机构、水雾喷头和风扇前侧，所述水雾喷头位于吸尘机构和风扇之间，所述安装箱顶端固定安装有辅助板，所述夹持机构包括真空泵、第一连接管、第二连接管和吸盘。该聚酰亚胺线路板表面处理装置方便清洁、风干线路板，能够处理处理灰尘，避免工作人员吸入灰尘，能够自动处理线路板。
The utility model discloses a polyimide circuit board surface treatment device, comprising a base, a clamping mechanism, a dust suction mechanism and a disc, a support frame and an installation box are fixedly installed on the top of the base, the installation box is located inside the support frame, a control panel is fixedly installed on the front left side of the support frame, a motor is fixedly installed on the inner side of the top of the support frame, a dust suction mechanism, a water mist nozzle, a fan and a cleaning device are fixedly installed on the bottom of the disc, the cleaning device is located in front of the dust suction mechanism, the water mist nozzle and the fan, the water mist nozzle is located between the dust suction mechanism and the fan, an auxiliary plate is fixedly installed on the top of the installation box, and the clamping mechanism includes a vacuum pump, a first connecting pipe, a second connecting pipe and a suction cup. The polyimide circuit board surface treatment device is convenient for cleaning and air-drying the circuit board, can handle dust, avoid workers from inhaling dust, and can automatically handle the circuit board.
Description
技术领域Technical Field
本实用新型涉及聚酰亚胺线路加工领域，具体为一种聚酰亚胺线路板表面处理装置。The utility model relates to the field of polyimide circuit processing, in particular to a polyimide circuit board surface processing device.
背景技术Background Art
聚酰亚胺一种新型耐高温PCB材料，PCB即印制线路板，简称印制板，是电子工业的重要部件之一，印制线路板具有良好的产品一致性，它可以采用标准化设计，有利于在生产过程中实现机械化和自动化，同时，整块经过装配调试的印制线路板可以作为一个独立的备件，便于整机产品的互换与维修，PCB板由生产设备生产后，PCB板生产后，其表面上会附着大量的杂质以及粉尘，需要用表面处理装置进行清理。Polyimide is a new type of high temperature resistant PCB material. PCB, or printed circuit board, is one of the important components of the electronics industry. The printed circuit board has good product consistency. It can adopt standardized design, which is conducive to mechanization and automation in the production process. At the same time, the entire assembled and debugged printed circuit board can be used as an independent spare part, which is convenient for the interchange and maintenance of the whole product. After the PCB board is produced by the production equipment, a large amount of impurities and dust will adhere to its surface, which needs to be cleaned with a surface treatment device.
现有的聚酰亚胺线路板表面处理装置清理不到位，夹持结构较为复杂，如授权公告号CN116916548A的实用新型专利公开了一种PCB线路板表面处理装置，包括顶部敞开的箱体，所述箱体内设置有圆筒，其中圆筒顶部还悬空设置有齿环，所述齿环底端面与圆筒顶端面对应设置有一圈容纳滚珠的弧形槽，所述箱体内设置有与齿环啮合的齿轮，其中齿轮由圆筒外侧的电机I驱动；所述齿环开口内底部四组顶角区域处均设置有支撑网，其中齿环开口内设置有位于多组支撑网上方的限位环，其中限位环外侧壁上径向设置有螺杆，且螺杆上螺接有与齿环内壁相抵的螺母，所述齿环顶部边沿处设置有一圈围边，其中围边顶部铰接有盖板，所述盖板底部与支撑网下方的圆筒内均设置有处理机构，其中下方处理机构由支撑杆固定，且上方处理机构由盖板底部的固定座固定。本发明结构简单，使用方便，但夹持结构挡住线路板的一部分，使得清理不到位。The existing polyimide circuit board surface treatment device is not cleaned properly, and the clamping structure is relatively complicated. For example, the utility model patent with authorization announcement number CN116916548A discloses a PCB circuit board surface treatment device, including a box body with an open top, a cylinder is arranged in the box body, wherein a toothed ring is also suspended on the top of the cylinder, and a circle of arc grooves for accommodating balls are arranged on the bottom end surface of the toothed ring corresponding to the top surface of the cylinder, and a gear meshing with the toothed ring is arranged in the box body, wherein the gear is driven by a motor I outside the cylinder. ; Support nets are arranged at the four groups of top corner areas at the bottom of the gear ring opening, wherein a limit ring is arranged above the multiple groups of support nets in the gear ring opening, wherein a screw is radially arranged on the outer wall of the limit ring, and a nut is screwed on the screw to abut against the inner wall of the gear ring, and a circle of surrounding edge is arranged at the top edge of the gear ring, wherein a cover plate is hinged at the top of the surrounding edge, and processing mechanisms are arranged at the bottom of the cover plate and in the cylinder below the support net, wherein the lower processing mechanism is fixed by the support rod, and the upper processing mechanism is fixed by the fixing seat at the bottom of the cover plate. The present invention has a simple structure and is easy to use, but the clamping structure blocks a part of the circuit board, so that cleaning is not in place.
因此，我们提出了一种聚酰亚胺线路板表面处理装置，以便于解决上述中提出的问题。Therefore, we propose a polyimide circuit board surface treatment device to solve the above problems.
实用新型内容Utility Model Content
本实用新型的目的在于提供一种聚酰亚胺线路板表面处理装置，以解决上述背景技术中提出现有的聚酰亚胺线路板表面处理装置清理不到位，夹持结构较为复杂的问题。The utility model aims to provide a polyimide circuit board surface treatment device to solve the problems in the above background technology that the existing polyimide circuit board surface treatment device is not properly cleaned and has a relatively complex clamping structure.
为实现上述目的，本实用新型提供如下技术方案：一种聚酰亚胺线路板表面处理装置，包括底座、夹持机构、吸尘机构和圆盘，所述底座的顶部固定安装有支撑架和安装箱，所述安装箱位于支撑架内部，所述支撑架左侧前端固定安装有控制面板，所述支撑架顶部内侧固定安装有电机，所述电机的输出端固定连接有圆盘，所述圆盘底部固定安装有吸尘机构、水雾喷头、风扇和清理装置，所述清理装置位于吸尘机构、水雾喷头和风扇前侧，所述水雾喷头位于吸尘机构和风扇之间，所述安装箱顶端固定安装有辅助板，所述安装箱内部固定安装有夹持机构。To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyimide circuit board surface treatment device, comprising a base, a clamping mechanism, a dust suction mechanism and a disc, a support frame and an installation box are fixedly installed on the top of the base, the installation box is located inside the support frame, a control panel is fixedly installed on the front left side of the support frame, a motor is fixedly installed on the inner side of the top of the support frame, the output end of the motor is fixedly connected to the disc, a dust suction mechanism, a water mist nozzle, a fan and a cleaning device are fixedly installed on the bottom of the disc, the cleaning device is located in front of the dust suction mechanism, the water mist nozzle and the fan, the water mist nozzle is located between the dust suction mechanism and the fan, an auxiliary plate is fixedly installed on the top of the installation box, and a clamping mechanism is fixedly installed inside the installation box.
优选的，所述夹持机构包括真空泵、第一连接管、第二连接管和吸盘，所述真空泵顶部输入端固定连接有第一连接管，所述第一连接管顶部固定连接有等距的第二连接管，所述第二连接管远离第一连接管的一端固定连接有吸盘。Preferably, the clamping mechanism includes a vacuum pump, a first connecting tube, a second connecting tube and a suction cup, the top input end of the vacuum pump is fixedly connected to the first connecting tube, the top of the first connecting tube is fixedly connected to an equidistant second connecting tube, and the end of the second connecting tube away from the first connecting tube is fixedly connected to the suction cup.
优选的，所述真空泵固定安装在安装箱内部，所述吸盘固定安装在辅助板顶端。Preferably, the vacuum pump is fixedly installed inside the installation box, and the suction cup is fixedly installed on the top of the auxiliary plate.
优选的，所述吸尘机构包括固定箱、微型吸气泵、滤网和吸尘管，所述固定箱内部固定安装有微型吸气泵和滤网，所述吸尘管固定连接在固定箱底部。Preferably, the dust suction mechanism comprises a fixed box, a micro air suction pump, a filter and a dust suction pipe, the micro air suction pump and the filter are fixedly installed inside the fixed box, and the dust suction pipe is fixedly connected to the bottom of the fixed box.
优选的，所述固定箱固定安装在圆盘底部，所述微型吸气泵位于滤网左侧。Preferably, the fixed box is fixedly installed at the bottom of the disc, and the micro suction pump is located on the left side of the filter.
优选的，所述清理装置包括自动伸缩杆和清理刷，所述自动伸缩杆固定安装在圆盘内，所述自动伸缩杆的输出端固定连接有清理刷。Preferably, the cleaning device comprises an automatic telescopic rod and a cleaning brush, the automatic telescopic rod is fixedly installed in the disc, and the output end of the automatic telescopic rod is fixedly connected to the cleaning brush.
与现有技术相比，本实用新型的有益效果是：该聚酰亚胺线路板表面处理装置方便清洁、风干线路板，能够处理灰尘，避免工作人员吸入灰尘，能够自动处理线路板。Compared with the prior art, the beneficial effects of the utility model are: the polyimide circuit board surface treatment device is convenient for cleaning and air-drying the circuit board, can handle dust, avoid workers from inhaling dust, and can automatically handle the circuit board.
1.设置有圆盘、吸尘机构、水雾喷头和风扇、电机和清理装置，圆盘底部等角度固定连接有吸尘机构、水雾喷头和风扇和清理装置，电机的输出端固定连接在圆盘顶部，使得电机带动圆盘旋转，从而使得吸尘机构、水雾喷头和风扇和清理装置旋转，从而便于对聚酰亚胺线路板表面进行处理；1. A disc, a dust suction mechanism, a water mist nozzle, a fan, a motor and a cleaning device are provided. The bottom of the disc is fixedly connected with the dust suction mechanism, the water mist nozzle, the fan and the cleaning device at equal angles. The output end of the motor is fixedly connected to the top of the disc, so that the motor drives the disc to rotate, thereby rotating the dust suction mechanism, the water mist nozzle, the fan and the cleaning device, so as to facilitate the treatment of the surface of the polyimide circuit board;
2.设置有夹持机构和控制面板、安装箱和辅助板，夹持机构包括真空泵、第一连接管、第二连接管和吸盘，真空泵通过第一连接管和第二连接管吸走吸盘内的空气，使得吸盘上端放置的聚酰亚胺线路板被吸住，从而将其限定住，从而避免其上端处理部分被遮挡，控制面板设定使得其自动运行。2. A clamping mechanism, a control panel, an installation box and an auxiliary plate are provided. The clamping mechanism includes a vacuum pump, a first connecting pipe, a second connecting pipe and a suction cup. The vacuum pump sucks away the air in the suction cup through the first connecting pipe and the second connecting pipe, so that the polyimide circuit board placed on the upper end of the suction cup is sucked, thereby limiting it, thereby preventing its upper end processing part from being blocked. The control panel is set to operate automatically.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本实用新型正视剖切结构示意图；Fig. 1 is a schematic diagram of the utility model in front view and cutaway structure;
图2为本实用新型侧视结构示意图；Figure 2 is a side view of the structure of the present invention;
图3为本实用新型俯视剖切结构示意图；FIG3 is a schematic diagram of a top view of the cross-sectional structure of the utility model;
图4为本实用新型仰视剖切结构示意图FIG4 is a schematic diagram of the utility model in a bottom-up cutaway view
图5为本实用新型正视结构示意图。FIG5 is a front view of the structure of the utility model.
图中：1、底座；2、支撑架；3、夹持机构；301、真空泵；302、第一连接管；303、第二连接管；304、吸盘；4、安装箱；5、吸尘机构；501、固定箱；502、微型吸气泵；503、滤网；504、吸尘管；6、水雾喷头；7、风扇；8、圆盘；9、清理装置；901、自动伸缩杆；902、清理刷；10、电机；11、控制面板；12、辅助板。In the figure: 1. base; 2. support frame; 3. clamping mechanism; 301. vacuum pump; 302. first connecting pipe; 303. second connecting pipe; 304. suction cup; 4. installation box; 5. dust suction mechanism; 501. fixing box; 502. micro suction pump; 503. filter; 504. dust suction pipe; 6. water mist nozzle; 7. fan; 8. disc; 9. cleaning device; 901. automatic telescopic rod; 902. cleaning brush; 10. motor; 11. control panel; 12. auxiliary board.
具体实施方式DETAILED DESCRIPTION
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
请参阅图1-5，本实用新型提供一种技术方案：一种聚酰亚胺线路板表面处理装置，包括底座1、支撑架2、夹持机构3、真空泵301、第一连接管302、第二连接管303、吸盘304、安装箱4、吸尘机构5、固定箱501、微型吸气泵502、滤网503、吸尘管504、水雾喷头6、风扇7、圆盘8、清理装置9、自动伸缩杆901、清理刷902、电机10、控制面板11和辅助板12；Please refer to Figures 1-5. The utility model provides a technical solution: a polyimide circuit board surface treatment device, including a base 1, a support frame 2, a clamping mechanism 3, a vacuum pump 301, a first connecting pipe 302, a second connecting pipe 303, a suction cup 304, an installation box 4, a dust suction mechanism 5, a fixing box 501, a micro suction pump 502, a filter 503, a dust suction pipe 504, a water mist nozzle 6, a fan 7, a disc 8, a cleaning device 9, an automatic telescopic rod 901, a cleaning brush 902, a motor 10, a control panel 11 and an auxiliary board 12;
将需要处理的聚酰亚胺线路板放置在吸盘304上端，同时夹持机构3，夹持机构3包括真空泵301、第一连接管302、第二连接管303和吸盘304，吸盘304固定安装在辅助板12上端，且吸盘304等角度分部在辅助板12上端，从而便于同时处理多个聚酰亚胺线路板，每个吸盘304底部的管道固定连接有第二连接管303，第二连接管303远离吸盘304的一端固定连接在第一连接管302上端，真空泵301上端输入口固定连接在第一连接管302底部，启动真空泵301，使得真空泵301将吸盘304内部空气抽走，从而将吸盘304上端放置的聚酰亚胺线路板吸住，从而限定住线路板，真空泵301固定安装在安装箱4内；The polyimide circuit board to be processed is placed on the upper end of the suction cup 304, and the clamping mechanism 3 is used. The clamping mechanism 3 includes a vacuum pump 301, a first connecting pipe 302, a second connecting pipe 303 and a suction cup 304. The suction cup 304 is fixedly installed on the upper end of the auxiliary plate 12, and the suction cup 304 is equiangularly distributed on the upper end of the auxiliary plate 12, so as to facilitate the simultaneous processing of multiple polyimide circuit boards. The pipeline at the bottom of each suction cup 304 is fixedly connected with the second connecting pipe 303, and the end of the second connecting pipe 303 away from the suction cup 304 is fixedly connected to the upper end of the first connecting pipe 302. The upper end input port of the vacuum pump 301 is fixedly connected to the bottom of the first connecting pipe 302, and the vacuum pump 301 is started so that the vacuum pump 301 extracts the air inside the suction cup 304, thereby sucking the polyimide circuit board placed on the upper end of the suction cup 304, thereby limiting the circuit board, and the vacuum pump 301 is fixedly installed in the installation box 4;
放置好聚酰亚胺线路板后启动水雾喷头6，水雾喷头6固定安装在圆盘8底部中端，圆盘8顶部右侧固定安装有水箱，水箱的底部通过管道与水雾喷头6连接，从而便于清洗聚酰亚胺线路板，电机10的输出端固定连接在圆盘8的顶部，使得电机10带动圆盘8旋转，从而带动水雾喷头6旋转，打开水雾喷头6的同时启动电机10，电机10带动喷水的水雾喷头6旋转，使得聚酰亚胺线路板上洒水更均匀，After placing the polyimide circuit board, start the water mist nozzle 6. The water mist nozzle 6 is fixedly installed at the middle end of the bottom of the disc 8. A water tank is fixedly installed on the right side of the top of the disc 8. The bottom of the water tank is connected to the water mist nozzle 6 through a pipeline, so as to facilitate the cleaning of the polyimide circuit board. The output end of the motor 10 is fixedly connected to the top of the disc 8, so that the motor 10 drives the disc 8 to rotate, thereby driving the water mist nozzle 6 to rotate. When the water mist nozzle 6 is turned on, the motor 10 is started, and the motor 10 drives the water mist nozzle 6 to rotate, so that the water spraying on the polyimide circuit board is more even.
喷水的同时启动清理装置9，清理装置9固定安装在圆盘8底端前侧，清理装置9包括自动伸缩杆901和清理刷902，自动伸缩杆901固定安装在圆盘8内，自动伸缩杆901的输出端固定连接有清理刷902，使得自动伸缩杆901带动清理刷902上下移动，启动自动伸缩杆901，使得清理刷902下降到聚酰亚胺线路板上端，直到毛刷触碰到聚酰亚胺线路板，从而使得清理刷902对其表面进行清理，The cleaning device 9 is started while spraying water. The cleaning device 9 is fixedly installed at the front side of the bottom end of the disc 8. The cleaning device 9 includes an automatic telescopic rod 901 and a cleaning brush 902. The automatic telescopic rod 901 is fixedly installed in the disc 8. The output end of the automatic telescopic rod 901 is fixedly connected with the cleaning brush 902, so that the automatic telescopic rod 901 drives the cleaning brush 902 to move up and down. The automatic telescopic rod 901 is started, so that the cleaning brush 902 descends to the upper end of the polyimide circuit board until the brush touches the polyimide circuit board, so that the cleaning brush 902 cleans its surface.
同时启动风扇7，从而对聚酰亚胺线路板表面的水分进行风干，同时启动吸尘机构5，吸尘机构5包括固定箱501、微型吸气泵502、滤网503和吸尘管504，固定箱501固定安装在圆盘8底部，固定箱501内部固定安装有微型吸气泵502和滤网503，启动微型吸气泵502，吸尘管504固定连接在固定箱501底部，吸尘管504的另一端靠近聚酰亚胺线路板，使得吸尘机构5对其表面进行吸灰清理，滤网503将灰尘挡在固定箱501内，空气从微型吸气泵502左侧出气出去，At the same time, the fan 7 is started to dry the moisture on the surface of the polyimide circuit board, and the dust suction mechanism 5 is started at the same time. The dust suction mechanism 5 includes a fixed box 501, a micro air pump 502, a filter 503 and a dust suction pipe 504. The fixed box 501 is fixedly installed at the bottom of the disc 8. The micro air pump 502 and the filter 503 are fixedly installed inside the fixed box 501. The micro air pump 502 is started, and the dust suction pipe 504 is fixedly connected to the bottom of the fixed box 501. The other end of the dust suction pipe 504 is close to the polyimide circuit board, so that the dust suction mechanism 5 can clean the surface of the circuit board by sucking dust. The filter 503 blocks the dust in the fixed box 501, and the air is exhausted from the left side of the micro air pump 502.
上述所说的操作均由固定安装在支撑架2前侧左端的控制面板11设定控制，吸尘机构5、水雾喷头6、风扇7和清理装置9运行时，均保持电机10开启，从而便于处理多个聚酰亚胺线路板，吸尘机构5也可以在水雾喷头6喷水之前启动，从而吸走一部分灰尘，减少清理刷902的清理次数，也避免聚酰亚胺线路板表面灰尘过多不方便清扫。The above-mentioned operations are all set and controlled by the control panel 11 fixedly installed on the left end of the front side of the support frame 2. When the dust suction mechanism 5, the water mist nozzle 6, the fan 7 and the cleaning device 9 are in operation, the motor 10 is kept turned on to facilitate the processing of multiple polyimide circuit boards. The dust suction mechanism 5 can also be started before the water mist nozzle 6 sprays water to absorb part of the dust, reduce the cleaning times of the cleaning brush 902, and avoid excessive dust on the surface of the polyimide circuit board that is inconvenient to clean.
以上便完成该聚酰亚胺线路板表面处理装置的一系列操作，本说明中未作详细描述的内容属于本领域专业技术人员公知的现有技术。The above is to complete a series of operations of the polyimide circuit board surface treatment device. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
本实用新型使用到的标准零件均可以从市场上购买，异形件根据说明书的和附图的记载均可以进行订制，各个零件的具体连接方式均采用现有技术中成熟的螺栓、铆钉、焊接等常规手段，机械、零件和设备均采用现有技术中，常规的型号，加上电路连接采用现有技术中常规的连接方式，在此不再详述。The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
最后应说明的是：以上所述仅为本实用新型的优选实施例而已，并不用于限制本实用新型，尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
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