CN219695006U - A concrete flaw detector that can be controlled remotely - Google Patents
A concrete flaw detector that can be controlled remotely Download PDFInfo
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- CN219695006U CN219695006U CN202320284851.8U CN202320284851U CN219695006U CN 219695006 U CN219695006 U CN 219695006U CN 202320284851 U CN202320284851 U CN 202320284851U CN 219695006 U CN219695006 U CN 219695006U
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- 239000004567 concrete Substances 0.000 title claims abstract description 31
- 239000011178 precast concrete Substances 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Abstract
本实用新型公开了一种可远距离控制的混凝土探伤仪，涉及混凝土探伤仪技术领域，包括底板、超声波探伤仪、预制混凝土板和移动板，所述底板的顶部固定安装有两个侧挡板，两个所述侧挡板的顶部固定连接有顶板，所述顶板的底部开设有第一滑槽，所述第一滑槽的内部滑动连接有第一滑块，所述顶板的内部转动连接有第一往复丝杆，所述第一往复丝杆与第一滑块螺纹连接，本实用新型的有益效果为：当第二电动推杆控制连接板向上移动时，使得第三齿轮进行转动，利用皮带的传动作用下，使得第一往复丝杆进行幅度转动，随着第二电动推杆的持续上下往复移动，实现了对预制混凝土板的多点检测，提高检测结果的准确性，同时降低了工作人员的劳动力。
The utility model discloses a concrete flaw detector that can be controlled remotely and relates to the technical field of concrete flaw detectors. It includes a base plate, an ultrasonic flaw detector, a prefabricated concrete plate and a moving plate. The top of the base plate is fixedly installed with two side baffles. , a top plate is fixedly connected to the top of the two side baffles, a first chute is provided at the bottom of the top plate, a first slider is slidingly connected to the inside of the first chute, and the inside of the top plate is rotatably connected. There is a first reciprocating screw rod, and the first reciprocating screw rod is threadedly connected to the first slider. The beneficial effect of the utility model is: when the second electric push rod controls the connection plate to move upward, the third gear is caused to rotate. Under the driving action of the belt, the first reciprocating screw rod rotates in an amplitude, and as the second electric push rod continues to move up and down, multi-point detection of the precast concrete slab is realized, improving the accuracy of the detection results and reducing the cost. workforce.
Description
技术领域Technical field
本实用新型涉及混凝土探伤仪技术领域，具体为一种可远距离控制的混凝土探伤仪。The utility model relates to the technical field of concrete flaw detectors, and is specifically a concrete flaw detector that can be controlled remotely.
背景技术Background technique
探伤仪从测量原理不同可以分为：数字式超声波探伤仪，超声波探伤仪、磁粉探伤仪、涡流探伤仪、射线探伤仪和荧光探伤仪，主要用于探测机加工件内部有无缺陷(裂纹、砂眼、气孔、白点、夹杂等)，焊缝是否合格，查找有无暗伤，从而判定工件合格与否，建筑施工过程中对预制混凝土结构要求较高，较差的混凝土强度会严重影响施工质量，探伤仪可以观测出内部是否有空洞、混凝土密实程度、钢筋形变等的特征，从而判断混凝土内部构成是否完好。因此，对混凝土结构的内部检测具有重要意义。Flaw detectors can be divided into: digital ultrasonic flaw detectors, ultrasonic flaw detectors, magnetic particle flaw detectors, eddy current flaw detectors, radiographic flaw detectors and fluorescence flaw detectors based on different measurement principles. They are mainly used to detect internal defects (cracks, cracks, Blisters, pores, white spots, inclusions, etc.), whether the welds are qualified, and look for hidden damage to determine whether the workpiece is qualified or not. During the construction process, the requirements for precast concrete structures are higher, and poor concrete strength will seriously affect the construction quality. , the flaw detector can observe whether there are cavities inside, the density of the concrete, the deformation of the steel bars, etc., so as to determine whether the internal structure of the concrete is intact. Therefore, internal inspection of concrete structures is of great significance.
目前混凝土探伤仪利用探头与混凝土板表面进行接触，对混凝土进行检测，为了提高检测结果的准确性，需人工对混凝土进行多点检测，大大提高了工作人员的劳动力。At present, concrete flaw detectors use the probe to contact the surface of the concrete slab to detect the concrete. In order to improve the accuracy of the detection results, the concrete needs to be manually inspected at multiple points, which greatly increases the labor force of the staff.
实用新型内容Utility model content
针对现有技术的不足，本实用新型提供了一种可远距离控制的混凝土探伤仪，解决了上述背景技术中提出的问题。In view of the shortcomings of the existing technology, the present utility model provides a concrete flaw detector that can be controlled remotely, which solves the problems raised in the above-mentioned background technology.
为实现以上目的，本实用新型通过以下技术方案予以实现：一种可远距离控制的混凝土探伤仪，包括底板、超声波探伤仪、预制混凝土板和移动板，所述底板的顶部固定安装有两个侧挡板，两个所述侧挡板的顶部固定连接有顶板，所述顶板的底部开设有第一滑槽，所述第一滑槽的内部滑动连接有第一滑块，所述顶板的内部转动连接有第一往复丝杆，所述第一往复丝杆与第一滑块螺纹连接，所述第一滑块的底部固定连接有第二电动推杆，所述第二电动推杆的底部固定连接有连接板，所述连接板的底部安装有探头，所述探头的一侧安装有导线，所述导线的一端与超声波探伤仪固定连接，所述连接板的顶部分别固定安装有固定板和齿条，其中一个所述侧挡板的内部转动连接有伸缩杆，所述伸缩杆的一端固定连接有第二带轮，所述第一往复丝杆的一端固定连接有第一带轮，所述第二带轮通过皮带与第一带轮传动连接，所述固定板的一侧开设有第二滑槽，所述伸缩杆的另一端转动连接有第二滑块，所述第二滑块与第二滑槽滑动连接，所述伸缩杆的外侧通过单向轴承连接与第三齿轮，所述第三齿轮与齿条啮合连接。In order to achieve the above objectives, the present utility model is realized through the following technical solutions: a remotely controllable concrete flaw detector, including a base plate, an ultrasonic flaw detector, a prefabricated concrete plate and a movable plate, with two fixedly installed on the top of the base plate. Side baffles, a top plate is fixedly connected to the top of the two side baffles, a first chute is provided at the bottom of the top plate, a first slider is slidingly connected to the inside of the first chute, and the top plate is A first reciprocating screw is rotatably connected internally, and the first reciprocating screw is threadedly connected to the first slider. The bottom of the first slider is fixedly connected to a second electric push rod, and the second electric push rod is fixedly connected to the bottom of the first slide block. A connecting plate is fixedly connected to the bottom. A probe is installed at the bottom of the connecting plate. A wire is installed on one side of the probe. One end of the wire is fixedly connected to the ultrasonic flaw detector. The top of the connecting plate is fixedly installed with a fixed probe. plates and racks, one of the side baffles is rotatably connected to a telescopic rod inside, one end of the telescopic rod is fixedly connected to a second pulley, and one end of the first reciprocating screw rod is fixedly connected to a first pulley. , the second pulley is drivingly connected to the first pulley through a belt, a second chute is provided on one side of the fixed plate, and a second slider is rotatably connected to the other end of the telescopic rod. The slide block is slidingly connected to the second slide groove, and the outer side of the telescopic rod is connected to the third gear through a one-way bearing, and the third gear is meshedly connected to the rack.
优选的，所述超声波探伤仪的一侧分别设置有显示屏和控制面板。Preferably, a display screen and a control panel are respectively provided on one side of the ultrasonic flaw detector.
优选的，两个所述侧挡板之间转动连接有第二往复丝杆，所述第二往复丝杆的一端固定连接有第一齿轮，其中一个所述侧挡板的一侧固定安装有电机，所述电机的输出端固定连接有第二齿轮，所述第二齿轮与第一齿轮啮合连接。Preferably, a second reciprocating screw is rotatably connected between the two side baffles, a first gear is fixedly connected to one end of the second reciprocating screw, and a first gear is fixedly installed on one side of one of the side baffles. A motor, the output end of the motor is fixedly connected with a second gear, and the second gear is meshed with the first gear.
优选的，所述预制混凝土板位于底板的顶部，所述移动板与第二往复丝杆螺纹连接。Preferably, the precast concrete panel is located on the top of the base plate, and the moving plate is threadedly connected to the second reciprocating screw rod.
优选的，所述移动板的底部安装有第一电动推杆，所述第一电动推杆的下端安装有毛刷。Preferably, a first electric push rod is installed at the bottom of the moving plate, and a brush is installed at the lower end of the first electric push rod.
优选的，所述超声波探伤仪的顶部安装有控制按钮，所述控制按钮与电机、第二电动推杆以及第一电动推杆电性连接。Preferably, a control button is installed on the top of the ultrasonic flaw detector, and the control button is electrically connected to the motor, the second electric push rod and the first electric push rod.
本实用新型提供了一种可远距离控制的混凝土探伤仪，具备以下有益效果：The utility model provides a concrete flaw detector that can be controlled remotely and has the following beneficial effects:
1、该可远距离控制的混凝土探伤仪，通过设置的第二电动推杆带动连接板以及底部的探头与预制混凝土板接触，从而对预制混凝土板结构进行检测，当第二电动推杆控制连接板向上移动时，使得第三齿轮进行转动，利用皮带的传动作用下，使得第一往复丝杆进行幅度转动，带动探头水平方向位移，随着第二电动推杆的持续上下往复移动，实现了对预制混凝土板的多点检测，提高检测结果的准确性，同时降低了工作人员的劳动力。1. This remotely controlled concrete flaw detector drives the connecting plate and the probe at the bottom to contact the precast concrete slab through the second electric push rod, thereby detecting the structure of the precast concrete slab. When the second electric push rod controls the connection When the plate moves upward, the third gear is rotated. Under the transmission of the belt, the first reciprocating screw is rotated, driving the horizontal displacement of the probe. As the second electric push rod continues to move up and down, the Multi-point inspection of precast concrete panels improves the accuracy of inspection results while reducing staff labor.
2、该可远距离控制的混凝土探伤仪，通过设置的第一电动推杆控制毛刷与预制混凝土板表面进行接触，并启动电机，利用第二齿轮与第一齿轮的啮合连接作用下，使得第二往复丝杆转动，使得移动板进行移动，从而带动控制按钮在预制混凝土板的表面进行往复移动，将预制混凝土板表面附着的灰尘等杂质扫除，防止杂质影响探头的检测效率。2. This concrete flaw detector that can be controlled remotely controls the brush to contact the surface of the precast concrete slab through the first electric push rod, and starts the motor, using the meshing connection between the second gear and the first gear, so that The second reciprocating screw rod rotates, causing the moving plate to move, thereby driving the control button to reciprocate on the surface of the precast concrete panel, sweeping away dust and other impurities attached to the surface of the precast concrete panel to prevent impurities from affecting the detection efficiency of the probe.
附图说明Description of the drawings
图1为本实用新型结构示意图；Figure 1 is a schematic structural diagram of the utility model;
图2为本实用新型的局部俯视剖视图；Figure 2 is a partial top cross-sectional view of the utility model;
图3为本实用新型图1中的A处放大图。Figure 3 is an enlarged view of point A in Figure 1 of the present invention.
图中：1、底板；2、超声波探伤仪；3、预制混凝土板；4、侧挡板；5、顶板；6、第一往复丝杆；7、第一滑槽；8、第一滑块；9、第一带轮；10、皮带；11、第二带轮；12、导线；13、控制按钮；14、控制面板；15、显示屏；16、毛刷；17、第一电动推杆；18、移动板；19、第二往复丝杆；20、第一齿轮；21、电机；22、第二齿轮；23、第二电动推杆；24、固定板；25、第二滑槽；26、第二滑块；27、第三齿轮；28、连接板；29、探头；30、伸缩杆；31、齿条。In the picture: 1. Bottom plate; 2. Ultrasonic flaw detector; 3. Precast concrete slab; 4. Side baffles; 5. Top plate; 6. First reciprocating screw rod; 7. First chute; 8. First slider ; 9. First pulley; 10. Belt; 11. Second pulley; 12. Wire; 13. Control button; 14. Control panel; 15. Display screen; 16. Brush; 17. First electric push rod ; 18. Moving plate; 19. Second reciprocating screw; 20. First gear; 21. Motor; 22. Second gear; 23. Second electric push rod; 24. Fixed plate; 25. Second chute; 26. Second slider; 27. Third gear; 28. Connecting plate; 29. Probe; 30. Telescopic rod; 31. Rack.
具体实施方式Detailed ways
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。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example.
实施例一：Example 1:
请参阅图1至图3，一种可远距离控制的混凝土探伤仪，包括底板1、超声波探伤仪2、预制混凝土板3和移动板18，底板1的顶部固定安装有两个侧挡板4，两个侧挡板4的顶部固定连接有顶板5，顶板5的底部开设有第一滑槽7，第一滑槽7的内部滑动连接有第一滑块8，顶板5的内部转动连接有第一往复丝杆6，第一往复丝杆6与第一滑块8螺纹连接，第一滑块8的底部固定连接有第二电动推杆23，第二电动推杆23的底部固定连接有连接板28，连接板28的底部安装有探头29，探头29的一侧安装有导线12，导线12的一端与超声波探伤仪2固定连接，连接板28的顶部分别固定安装有固定板24和齿条31，其中一个侧挡板4的内部转动连接有伸缩杆30，伸缩杆30的一端固定连接有第二带轮11，第一往复丝杆6的一端固定连接有第一带轮9，第二带轮11通过皮带10与第一带轮9传动连接，固定板24的一侧开设有第二滑槽25，伸缩杆30的另一端转动连接有第二滑块26，第二滑块26与第二滑槽25滑动连接，当探头29进行水平方向位移时，伸缩杆30进行拉伸，伸缩杆30的外侧通过单向轴承连接与第三齿轮27，当第二电动推杆23控制连接板28向下移动时，第三齿轮27与伸缩杆30处于分离状态，从而无法带动伸缩杆30进行转动，第三齿轮27与齿条31啮合连接，通过设置的第二电动推杆23带动连接板28以及底部的探头29向下移动，使探头29与预制混凝土板3接触，从而对预制混凝土板3结构进行检测，当第二电动推杆23控制连接板28向上移动时，第三齿轮27与伸缩杆30处于连接状态，使得第三齿轮27进行转动，第二滑块26在第二滑槽25内部滑动，利用皮带10的传动作用下，使得第一往复丝杆6进行幅度转动，使得第一滑块8在第一滑槽7内部滑动，带动探头29水平方向位移，随着第二电动推杆23的持续上下往复移动，实现了对预制混凝土板3的多点检测，提高检测结果的准确性，同时降低了工作人员的劳动力。Please refer to Figures 1 to 3. A remotely controlled concrete flaw detector includes a base plate 1, an ultrasonic flaw detector 2, a precast concrete panel 3 and a moving plate 18. Two side baffles 4 are fixedly installed on the top of the base plate 1. , the tops of the two side baffles 4 are fixedly connected with the top plate 5, the bottom of the top plate 5 is provided with a first chute 7, the inside of the first chute 7 is slidingly connected with a first slider 8, and the inside of the top plate 5 is rotatably connected with The first reciprocating screw rod 6 is threadedly connected to the first slide block 8. The bottom of the first slide block 8 is fixedly connected to the second electric push rod 23. The bottom of the second electric push rod 23 is fixedly connected to Connecting plate 28. A probe 29 is installed at the bottom of the connecting plate 28. A wire 12 is installed on one side of the probe 29. One end of the wire 12 is fixedly connected to the ultrasonic flaw detector 2. A fixing plate 24 and teeth are fixedly installed on the top of the connecting plate 28. 31, one of the side baffles 4 is rotatably connected to a telescopic rod 30, one end of the telescopic rod 30 is fixedly connected to the second pulley 11, one end of the first reciprocating screw rod 6 is fixedly connected to the first pulley 9, and the first pulley 9 is fixedly connected to one end of the first reciprocating screw rod 6. The second pulley 11 is drivingly connected to the first pulley 9 through the belt 10. A second chute 25 is provided on one side of the fixed plate 24, and a second slider 26 is rotatably connected to the other end of the telescopic rod 30. The second slider 26 It is slidingly connected to the second chute 25. When the probe 29 moves horizontally, the telescopic rod 30 stretches. The outside of the telescopic rod 30 is connected to the third gear 27 through a one-way bearing. When the second electric push rod 23 controls the connection, When the plate 28 moves downward, the third gear 27 and the telescopic rod 30 are in a separated state, so that the telescopic rod 30 cannot be driven to rotate. The third gear 27 is meshed with the rack 31 and connected through the second electric push rod 23 provided. The plate 28 and the probe 29 at the bottom move downward, so that the probe 29 contacts the precast concrete panel 3, thereby detecting the structure of the precast concrete panel 3. When the second electric push rod 23 controls the connecting plate 28 to move upward, the third gear 27 It is connected with the telescopic rod 30, so that the third gear 27 rotates, the second slide block 26 slides inside the second chute 25, and the first reciprocating screw rod 6 is rotated by the transmission function of the belt 10, so that The first slider 8 slides inside the first chute 7, driving the horizontal displacement of the probe 29. As the second electric push rod 23 continues to move up and down, multi-point detection of the precast concrete slab 3 is realized, and the detection results are improved. accuracy while reducing staff labor.
实施例二：Example 2:
超声波探伤仪2的一侧分别设置有显示屏15和控制面板14，超声波探伤仪2的型号为ZBL-U510，通过探头29与预制混凝土板3进行接触，观测出内部是否有空洞、混凝土密实程度、钢筋形变等的特征，超声波探伤仪2的顶部安装有控制按钮13，控制按钮13与电机21、第二电动推杆23以及第一电动推杆17电性连接，可通过控制按钮13控制电机21、第二电动推杆23和第一电动推杆17的开启与关闭，通过导线12将探头29与超声波探伤仪2进行连接，并且利用控制面板14与显示屏15的相互配合，实现了远距离控制以及观测的效果。One side of the ultrasonic flaw detector 2 is provided with a display screen 15 and a control panel 14 respectively. The model of the ultrasonic flaw detector 2 is ZBL-U510. The probe 29 is in contact with the precast concrete slab 3 to observe whether there are holes inside and the density of the concrete. , steel bar deformation, etc., a control button 13 is installed on the top of the ultrasonic flaw detector 2. The control button 13 is electrically connected to the motor 21, the second electric push rod 23 and the first electric push rod 17. The motor can be controlled through the control button 13 21. To open and close the second electric push rod 23 and the first electric push rod 17, the probe 29 is connected to the ultrasonic flaw detector 2 through the wire 12, and the control panel 14 and the display screen 15 are used to cooperate with each other to achieve remote detection. Distance control and observation effects.
实施例三：Embodiment three:
两个侧挡板4之间转动连接有第二往复丝杆19，第二往复丝杆19的一端固定连接有第一齿轮20，其中一个侧挡板4的一侧固定安装有电机21，电机21的输出端固定连接有第二齿轮22，第二齿轮22与第一齿轮20啮合连接，预制混凝土板3位于底板1的顶部，移动板18与第二往复丝杆19螺纹连接，移动板18的底部安装有第一电动推杆17，第一电动推杆17的下端安装有毛刷16，通过设置的第一电动推杆17控制毛刷16与预制混凝土板3表面进行接触，并启动电机21，利用第二齿轮22与第一齿轮20的啮合连接作用下，使得第二往复丝杆19转动，使得移动板18进行移动，从而带动控制按钮13在预制混凝土板3的表面进行往复移动，将预制混凝土板3表面附着的灰尘等杂质扫除，防止杂质影响探头29的检测效率。A second reciprocating screw rod 19 is rotatably connected between the two side baffles 4. One end of the second reciprocating screw rod 19 is fixedly connected to a first gear 20. A motor 21 is fixedly installed on one side of one of the side baffles 4. The motor The output end of 21 is fixedly connected with a second gear 22. The second gear 22 is meshed with the first gear 20. The precast concrete panel 3 is located on the top of the base plate 1. The moving plate 18 is threadedly connected to the second reciprocating screw rod 19. The moving plate 18 A first electric push rod 17 is installed at the bottom, and a brush 16 is installed at the lower end of the first electric push rod 17. The brush 16 is controlled by the first electric push rod 17 to contact the surface of the precast concrete slab 3, and the motor is started. 21. The meshing connection between the second gear 22 and the first gear 20 causes the second reciprocating screw rod 19 to rotate, causing the moving plate 18 to move, thereby driving the control button 13 to reciprocate on the surface of the precast concrete panel 3, Dust and other impurities attached to the surface of the precast concrete panel 3 are removed to prevent the impurities from affecting the detection efficiency of the probe 29 .
综上，该可远距离控制的混凝土探伤仪，使用时，可将预制混凝土板3放置底板1的顶部，接着启动第一电动推杆17控制毛刷16与预制混凝土板3表面进行接触，随后启动电机21，利用第二齿轮22与第一齿轮20的啮合连接作用下，使得第二往复丝杆19转动，使得移动板18进行移动，从而带动控制按钮13在预制混凝土板3的表面进行往复移动，将预制混凝土板3表面附着的灰尘等杂质扫除，然后可启动第二电动推杆23带动连接板28以及底部的探头29向下移动，使探头29与预制混凝土板3接触，从而对预制混凝土板3结构进行检测，当第二电动推杆23控制连接板28向上移动时，第三齿轮27与伸缩杆30处于连接状态，使得第三齿轮27进行转动，第二滑块26在第二滑槽25内部滑动，利用皮带10的传动作用下，使得第一往复丝杆6进行幅度转动，使得第一滑块8在第一滑槽7内部滑动，带动探头29水平方向位移，随着第二电动推杆23的持续上下往复移动，实现了对预制混凝土板3的多点检测。In summary, when using this remotely controlled concrete flaw detector, the precast concrete panel 3 can be placed on the top of the base plate 1, and then the first electric push rod 17 is started to control the brush 16 to contact the surface of the precast concrete panel 3, and then Start the motor 21, and utilize the meshing connection between the second gear 22 and the first gear 20 to rotate the second reciprocating screw rod 19, causing the moving plate 18 to move, thus driving the control button 13 to reciprocate on the surface of the precast concrete panel 3 Move to remove dust and other impurities attached to the surface of the precast concrete panel 3, and then start the second electric push rod 23 to drive the connecting plate 28 and the probe 29 at the bottom to move downward, so that the probe 29 contacts the precast concrete panel 3, thereby The structure of the concrete slab 3 is tested. When the second electric push rod 23 controls the connecting plate 28 to move upward, the third gear 27 and the telescopic rod 30 are in a connected state, so that the third gear 27 rotates, and the second slider 26 moves in the second direction. The chute 25 slides inside, and the first reciprocating screw rod 6 is rotated by the transmission of the belt 10, so that the first slide block 8 slides inside the first chute 7, driving the horizontal displacement of the probe 29. The continuous up and down reciprocating movement of the two electric push rods 23 realizes multi-point inspection of the precast concrete slab 3.
以上所述，仅为本实用新型较佳的具体实施方式，但本实用新型的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内，根据本实用新型的技术方案及其实用新型构思加以等同替换或改变，都应涵盖在本实用新型的保护范围之内。The above are only preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed by the present utility model, implement the present utility model according to the present utility model. Novel technical solutions and utility model concepts, including equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.
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