CN110244094B - A signal generator for instrument detection - Google Patents
A signal generator for instrument detection Download PDFInfo
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- CN110244094B CN110244094B CN201910625896.5A CN201910625896A CN110244094B CN 110244094 B CN110244094 B CN 110244094B CN 201910625896 A CN201910625896 A CN 201910625896A CN 110244094 B CN110244094 B CN 110244094B
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- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
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Abstract
本发明公开了一种仪器仪表检测的信号发生器，具体涉及信号检测设备技术领域，包括信号发生器主体，所述信号发生器主体顶部设有提拉机构；所述提拉机构包括升降板，所述信号发生器主体表面设有升降槽，所述升降板与升降槽滑动连接，所述升降板背面设有提拉杆，所述提拉杆贯穿升降板，所述升降板连两侧表面均设有第一滑槽，所述第一滑槽内部设有第一滑块，所述第一滑块与第一滑槽滑动连接。本发明通过设置提拉机构，使得稳定连杆呈现三角状态，之后提拉杆带动信号发生器主体抬升移动，有效的避免信号发生器主体提拉过程发生左右晃动情况，提升信号发生器主体移动的稳定性，防止信号发生器主体使用时移动倾斜会对线路产生影响。
The invention discloses a signal generator for instrumentation detection, in particular to the technical field of signal detection equipment, comprising a signal generator main body, the top of the signal generator main body is provided with a pulling mechanism; the pulling mechanism includes a lifting plate, The main body surface of the signal generator is provided with a lifting groove, the lifting plate is slidably connected to the lifting groove, and a lifting rod is arranged on the back of the lifting plate, and the lifting rod passes through the lifting plate, and the lifting plate is connected to both sides of the surface. There is a first sliding slot, a first sliding block is arranged inside the first sliding slot, and the first sliding block is slidably connected with the first sliding slot. In the present invention, by setting a pulling mechanism, the stable link is in a triangular state, and then the pulling rod drives the main body of the signal generator to lift and move, which effectively avoids left and right shaking during the pulling process of the main body of the signal generator, and improves the stability of the movement of the main body of the signal generator. To prevent the signal generator body from moving and tilting when it is in use, it will affect the line.
Description
Technical Field
The invention relates to the technical field of signal detection equipment, in particular to a signal generator for instrument detection.
Background
A signal generator is a device that can provide electrical signals of various frequencies, waveforms and output levels. The circuit is widely applied in production practice and science and technology fields, various waveform curves can be expressed by trigonometric function equations, and a circuit capable of generating various waveforms such as triangular waves, sawtooth waves, rectangular waves and sine waves is called a function signal generator.
The utility model patent of patent application publication No. CN204906339U discloses a signal generator for instrument and meter detection, which comprises a liquid crystal touch screen, a signal output port, a signal generator switch, a non-slip mat, a heat dissipation hole, a storage box baffle and a handle; the liquid crystal touch screen is arranged on the front panel of the signal generator; the signal output port is arranged on the front panel of the signal generator and right below the liquid crystal touch screen; the signal generator switch is arranged on the front side of the upper end face of the signal generator and above the liquid crystal touch screen; the anti-skid pads are arranged at four corners of the bottom end of the signal generator; the heat dissipation holes are arranged in the centers of the left side panel and the right side panel of the signal generator; the storage box baffle is arranged on the rear side of the upper end face of the signal generator; the handle is connected with the upper ends of the left side panel and the right side panel of the signal generator. Overall structure is more simple novel, and the practicality is strong, is fit for using widely.
But it is when the in-service use, still have more shortcoming, if this practicality draws the handle and draws the in-process and lead to signal generator to rock about shaking in the use, it is relatively poor to signal generator stability to draw the in-process, is not convenient for remove the use.
Disclosure of Invention
In order to overcome the above-mentioned defects of the prior art, embodiments of the present invention provide a signal generator for instrumentation detection, in which a lifting mechanism is provided, when in use, a lifting rod is pulled, the lifting rod drives a lifting plate to slide inside a lifting groove, meanwhile, a first slider inside a first sliding groove provided on two side surfaces of the lifting plate slides inside the sliding groove, a first ball effectively increases a sliding speed of the first slider inside the first sliding groove, the first slider drives a first connecting rod to slide inside a first sliding opening when sliding up and down, the first connecting rod drives a first positioning plate to move up and down, a moving track of the first connecting rod is defined, then the first positioning plate pulls a horizontal moving block to move horizontally through a hinged stable connecting rod, and when two horizontal moving blocks move relatively, the second slider is driven to slide inside a second sliding groove through a second connecting rod, the effectual sliding speed that has promoted the second slider at the second spout inside of second slider bottom and top are equipped with, the second slider compresses first reset spring simultaneously, when the lifter plate rose to a take the altitude, first slider slided to first spout bottom, thereby make stable connecting rod present the triangle-shaped state, later carry the pull rod to drive signal generator main part lifting and remove, the effectual signal generator main part of avoiding is carried the process and is taken place and shake the condition about, promote the stability that signal generator main part removed, it can exert an influence to the line to prevent to move the slope when signal generator main part uses, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: a signal generator for instrument detection comprises a signal generator main body, wherein a lifting mechanism is arranged at the top of the signal generator main body;
the lifting mechanism comprises a lifting plate, the surface of the signal generator body is provided with a lifting groove, the lifting plate is connected with the lifting groove in a sliding manner, the back surface of the lifting plate is provided with a lifting rod, the lifting rod penetrates through the lifting plate, the surfaces of two sides of the lifting plate are provided with first sliding grooves, first sliding blocks are arranged in the first sliding grooves and are connected with the first sliding grooves in a sliding manner, first balls are fixedly arranged on one sides of the first sliding blocks, first connecting rods are fixedly arranged on the other sides of the first sliding blocks, first sliding ports are arranged on one sides of the first sliding grooves, the first connecting rods are connected with the first sliding ports in a sliding manner, a first positioning plate is fixedly arranged on one side of each first connecting rod, a stabilizing connecting rod is arranged on one side of each first positioning plate, one end of each stabilizing connecting rod is provided with a horizontal moving block, and one sides of the horizontal moving block and the first positioning plate, two sides of the lifting groove are respectively provided with a second sliding groove, a first reset spring is fixedly arranged in the second sliding groove, one side of the first reset spring is fixedly provided with a second sliding block, the bottom and the top of the second sliding block are respectively fixedly provided with a second ball, the second sliding block is connected with the second sliding groove in a sliding manner, the top of the second sliding block is provided with a second connecting rod, the top of the second sliding groove is provided with a second sliding opening, the second connecting rod is connected with the second sliding opening in a sliding manner, and the second connecting rod is fixedly connected with the bottom of the horizontal moving block;
the back of the signal generator main body is provided with a connecting wire accommodating mechanism, the connecting wire accommodating mechanism comprises an accommodating box, the accommodating box is fixedly connected with the signal generator main body, one side surface of the accommodating box is provided with two wire port grooves, the inner wall of the accommodating box is provided with a third chute, a second reset spring is fixedly arranged in the third chute, the number of the third chutes is three, one side of the second reset spring is fixedly provided with a third slide block, the third slide block is slidably connected with the third chute, the front side surface of the third slide block is fixedly provided with a fixed rod, the outer side of the fixed rod is provided with a second positioning plate, the top and the bottom surface of the second positioning plate are both provided with bayonets, the cross section of the bottom of each bayonet is semicircular, the inner wall of each bayonet is fixedly provided with a limiting block, the limiting block is made of rubber material, and the, the inside fixed establishment that is equipped with of slide opening, fixed establishment includes the slide bar, slide bar and slide opening sliding connection, slide bar top and bottom all are equipped with the kelly, the slide opening outside is equipped with drive groove and slide opening and drive groove and communicates mutually.
In a preferred embodiment, the front side of the storage box is provided with a cover plate, the surface of the cover plate is provided with a fixing opening, and the cross section of the fixing opening is rectangular.
In a preferred embodiment, a clamping groove is formed in the inner wall of the driving groove, the clamping rod is matched with the clamping groove, a third return spring is fixedly arranged on the inner wall of the sliding hole, a fixing plate is arranged at one end of the sliding rod, and the fixing plate is matched with the fixing port.
The invention has the technical effects and advantages that:
1. through the arrangement of the lifting mechanism, when in use, the lifting rod is pulled to drive the lifting plate to slide in the lifting groove, meanwhile, the first sliding blocks in the first sliding grooves arranged on the surfaces of the two sides of the lifting plate slide in the sliding grooves, the first balls effectively improve the sliding speed of the first sliding blocks in the first sliding grooves, the first sliding blocks drive the first connecting rods to slide in the first sliding openings when sliding up and down, the first connecting rods drive the first positioning plates to move up and down, the moving track of the first connecting rods is limited, then the first positioning plates drive the horizontal moving blocks to horizontally move through the hinged stable connecting rods, the second sliding blocks are driven by the second connecting rods to slide in the second sliding grooves when the two horizontal moving blocks move relatively, and the second balls arranged at the bottom and the top of the second sliding blocks effectively improve the sliding speed of the second sliding blocks in the second sliding grooves, meanwhile, the second sliding block compresses the first return spring, when the lifting plate rises to a certain height, the first sliding block slides to the bottom of the first sliding groove, so that the stable connecting rod is in a triangular state, then the lifting rod drives the signal generator main body to lift and move, the left-right shaking condition in the lifting process of the signal generator main body is effectively avoided, the moving stability of the signal generator main body is improved, and the influence on a line caused by the moving inclination of the signal generator main body during use is prevented;
2. through arranging the connecting wire accommodating mechanism, a plurality of parts of the connecting wire are clamped inside the bayonet on the surface of the second positioning plate in a circuitous way, the limiting block made of rubber material fixes the entering connecting wire, the cross section shape is set to be the bottom of the semicircular bayonet to avoid abrasion to the connecting wire, then the two ends of the connecting wire are respectively clamped inside the two wire port grooves, one end of the connecting wire is pulled when in use, the connecting wire drives the second positioning plate to move horizontally when sliding inside the bayonet, the second positioning plate drives the third sliding block to slide inside the third sliding groove through the fixing rod, and simultaneously the third sliding block compresses the second reset spring, therefore, the distance between the second positioning plates is shortened, the connecting wires are drawn out from the storage box, the connecting wires are effectively stored, the use efficiency of the connecting wires is improved, and the use convenience is improved;
3. through setting up fixed establishment, overturn the apron, make the fixed port card on the apron to the fixed plate outside, later press the fixed plate, fixed plate extrusion third reset spring bullet lid leaf spring, later rotatory fixed plate, the fixed plate drives the kelly and rotates at the drive inslot portion, thereby with fixed integrated circuit board on the apron, later loosen the fixed plate, third reset spring promotes slide bar horizontal migration, the slide bar drives the kelly card and goes on fixing to the draw-in groove, thereby fix apron and containing box, seal the containing box, the effectual containing box confined efficiency that has promoted, the convenience is fixed fast to the apron.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a rear view of the present invention.
Fig. 3 is a schematic structural diagram of the fixing mechanism of the present invention.
FIG. 4 is a schematic view of a portion A of FIG. 1 according to the present invention.
FIG. 5 is a schematic view of a portion B shown in FIG. 1 according to the present invention.
Fig. 6 is a schematic view of a partial structure of the part C in fig. 2 according to the present invention.
Fig. 7 is a perspective view of the sliding rod, the clamping rod and the fixing plate of the present invention.
The reference signs are: 1 signal generator body, 2 lifting mechanism, 3 lifting plate, 4 lifting groove, 5 lifting rod, 6 first sliding groove, 7 first sliding block, 8 first ball, 9 first connecting rod, 10 first sliding opening, 11 first positioning plate, 12 stable connecting rod, 13 horizontal moving block, 14 second sliding groove, 15 first reset spring, 16 second sliding block, 17 second ball, 18 second connecting rod, 19 second sliding opening, 20 connecting wire containing mechanism, 21 containing box, 22 wire opening groove, 23 third sliding groove, 24 second reset spring, 25 third sliding block, 26 fixed rod, 27 second positioning plate, 28 bayonet, 29 limited block, 30 cover plate, 31 fixed opening, 32 sliding hole, 33 fixed mechanism, 34 sliding rod, 35 clamping rod, 36 driving groove, 37 clamping groove, 38 third reset spring and 39 fixed plate.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The signal generator for instrument detection shown in fig. 1-7 comprises a signal generator body 1, wherein a lifting mechanism 2 is arranged at the top of the signal generator body 1;
the lifting mechanism 2 comprises a lifting plate 3, the surface of the signal generator body 1 is provided with a lifting groove 4, the lifting plate 3 is in sliding connection with the lifting groove 4, the back surface of the lifting plate 3 is provided with a lifting rod 5, the lifting rod 5 penetrates through the lifting plate 3, the two side surfaces of the lifting plate 3 are respectively provided with a first chute 6, a first slide block 7 is arranged inside the first chute 6, the first slide block 7 is in sliding connection with the first chute 6, one side of the first slide block 7 is fixedly provided with a first ball 8, the other side of the first slide block 7 is fixedly provided with a first connecting rod 9, one side of the first chute 6 is provided with a first sliding opening 10, the first connecting rod 9 is in sliding connection with the first sliding opening 10, one side of the first connecting rod 9 is fixedly provided with a first positioning plate 11, one side of the first positioning plate 11 is provided with a stabilizing connecting rod 12, one end of the stabilizing connecting rod 12 is provided with a horizontal moving, one side of the horizontal moving block 13 and one side of the first positioning plate 11 are hinged to two ends of the stabilizing connecting rod 12, two sides of the lifting groove 4 are respectively provided with a second sliding groove 14, a first return spring 15 is fixedly arranged inside the second sliding groove 14, one side of the first return spring 15 is fixedly provided with a second sliding block 16, the bottom and the top of the second sliding block 16 are respectively and fixedly provided with a second ball 17, the second sliding block 16 is in sliding connection with the second sliding groove 14, the top of the second sliding block 16 is provided with a second connecting rod 18, the top of the second sliding groove 14 is provided with a second sliding port 19, the second connecting rod 18 is in sliding connection with the second sliding port 19, and the second connecting rod 18 is fixedly connected with the bottom of the horizontal moving block 13.
The implementation mode is specifically as follows: when the lifting device is used, the lifting rod 5 is pulled, the lifting rod 5 drives the lifting plate 3 to slide in the lifting groove 4, meanwhile, the first sliding blocks 7 in the first sliding grooves 6 arranged on the surfaces of the two sides of the lifting plate 3 slide in the sliding grooves, the first balls 8 effectively improve the sliding speed of the first sliding blocks 7 in the first sliding grooves 6, the first sliding blocks 7 drive the first connecting rods 9 to slide in the first sliding openings 10 when sliding up and down, the first connecting rods 9 drive the first positioning plates 11 to move up and down, the moving track of the first connecting rods 9 is limited, then the first positioning plates 11 drive the horizontal moving blocks 13 to move horizontally through the hinged stable connecting rods 12, the second connecting rods 18 drive the second sliding blocks 16 to slide in the second sliding grooves 14 when the two horizontal moving blocks 13 move relatively, the second balls 17 arranged at the bottoms and the tops of the second sliding blocks 16 effectively improve the sliding speed of the second sliding blocks 16 in the second sliding grooves 14, meanwhile, the second sliding block 16 compresses the first return spring 15, when the lifting plate 3 rises to a certain height, the first sliding block 7 slides to the bottom of the first sliding groove 6, so that the stabilizing connecting rod 12 is in a triangular state, and then the lifting rod 5 drives the signal generator main body 1 to lift and move, so that the situation that the signal generator main body 1 shakes left and right in the lifting process is effectively avoided, the stability of the signal generator main body 1 in moving is improved, and the influence of moving inclination on a line when the signal generator main body 1 is used is prevented.
The signal generator for instrument detection shown in fig. 6 further comprises a connecting wire accommodating mechanism 20, wherein the connecting wire accommodating mechanism 20 is arranged on the back surface of the signal generator main body 1, the connecting wire accommodating mechanism 20 comprises an accommodating box 21, the accommodating box 21 is fixedly connected with the signal generator main body 1, and two wire port grooves 22 are formed in one side surface of the accommodating box 21;
the inner wall of the containing box 21 is provided with a third sliding chute 23, a second return spring 24 is fixedly arranged in the third sliding chute 23, and the number of the third sliding chutes 23 is three;
a third sliding block 25 is fixedly arranged on one side of the second return spring 24, and the third sliding block 25 is connected with the third sliding chute 23 in a sliding manner;
a fixed rod 26 is fixedly arranged on the front side surface of the third sliding block 25, and a second positioning plate 27 is arranged on the outer side of the fixed rod 26;
the front side surface of the containing box 21 is provided with a cover plate 30, the surface of the cover plate 30 is provided with a fixing port 31, and the cross section of the fixing port 31 is rectangular.
The implementation mode is specifically as follows: the connecting wires are clamped into the bayonets 28 on the surface of the second positioning plate 27 in a winding way at a plurality of positions, the connecting wires are fixed by the limiting blocks 29 made of rubber materials, the bottom of the bayonets 28 with the semicircular cross section shape avoids abrasion to the connecting wires, then the two ends of the connecting wires are respectively clamped into the two wire opening grooves 22, one end of the connecting wires is pulled when in use, the connecting wires drive the second positioning plate 27 to horizontally move when sliding in the bayonets 28, the second positioning plate 27 drives the third sliding block 25 to slide in the third sliding groove 23 through the fixing rod 26, and meanwhile, the third sliding block 25 compresses the second return spring 24, thereby shorten the distance of a plurality of second locating plates 27 to take the connecting wire out from containing box 21 is inside, effectually accomodate the connecting wire, has promoted the availability factor of connecting wire simultaneously, improves the convenience of using.
The signal generator for instrument detection shown in fig. 3 further comprises a fixing mechanism 33, the fixing mechanism 33 is arranged inside the sliding hole 32 and inside the sliding hole 32, the fixing mechanism 33 comprises a sliding rod 34, the sliding rod 34 is slidably connected with the sliding hole 32, clamping rods 35 are arranged at the top and the bottom of the sliding rod 34, a driving groove 36 is arranged at the outer side of the sliding hole 32, and the sliding hole 32 is communicated with the driving groove 36;
the inner wall of the driving groove 36 is provided with a clamping groove 37, the clamping rod 35 is matched with the clamping groove 37, the inner wall of the sliding hole 32 is fixedly provided with a third return spring 38, one end of the sliding rod 34 is provided with a fixing plate 39, and the fixing plate 39 is matched with the fixing port 31.
The implementation mode is specifically as follows: overturn the apron 30, make fixed mouthful 31 card to the fixed plate 39 outside on the apron 30, later press fixed plate 39, fixed plate 39 extrudes third reset spring 38 and plays apron 30 spring, later rotatory fixed plate 39, fixed plate 39 drives kelly 35 and rotates inside drive groove 36, thereby block fixed plate 39 on apron 30, later loosen fixed plate 39, third reset spring 38 promotes slide bar 34 horizontal migration, slide bar 34 drives kelly 35 and blocks to go into draw-in groove 37 and fix, thereby fix apron 30 and containing box 21, seal containing box 21, the effectual confined efficiency of containing box 21 that has promoted, the convenience is fixed fast to apron 30.
The working principle of the invention is as follows:
referring to the attached drawings 1-7 of the specification, by arranging the lifting mechanism 2, when in use, the lifting rod 5 is pulled, the lifting rod 5 drives the lifting plate 3 to slide in the lifting groove 4, meanwhile, the first sliding blocks 7 in the first sliding grooves 6 arranged on the surfaces of the two sides of the lifting plate 3 slide in the sliding grooves, the first balls 8 effectively increase the sliding speed of the first sliding blocks 7 in the first sliding grooves 6, the first sliding blocks 7 drive the first connecting rods 9 to slide in the first sliding openings 10 when sliding up and down, the first connecting rods 9 drive the first positioning plates 11 to move up and down to limit the moving tracks of the first connecting rods 9, then the first positioning plates 11 pull the horizontal moving blocks 13 to move horizontally through the hinged stable connecting rods 12, and the second sliding blocks 16 are driven by the second connecting rods 18 to slide in the second sliding grooves 14 when the two horizontal moving blocks 13 move relatively, the sliding speed of the second sliding block 16 in the second sliding groove 14 is effectively improved by the second balls 17 arranged at the bottom and the top of the second sliding block 16, meanwhile, the second sliding block 16 compresses the first return spring 15, when the lifting plate 3 is lifted to a certain height, the first sliding block 7 slides to the bottom of the first sliding groove 6, so that the stable connecting rod 12 is in a triangular state, then the lifting rod 5 drives the signal generator main body 1 to lift and move, the left-right shaking condition in the lifting process of the signal generator main body 1 is effectively avoided, the moving stability of the signal generator main body 1 is improved, and the influence of moving inclination on a line when the signal generator main body 1 is used is prevented;
referring to the attached figure 6 of the specification, by providing the connecting wire receiving mechanism 20, a plurality of portions of the connecting wire are roundly clamped into the bayonet 28 on the surface of the second positioning plate 27, the limiting block 29 made of rubber material fixes the entering connecting wire, the bottom of the bayonet 28 with the semicircular cross section shape avoids abrasion to the connecting wire, then the two ends of the connecting wire are respectively clamped into the two wire port grooves 22, when in use, one end of the connecting wire is pulled, the connecting wire drives the second positioning plate 27 to horizontally move when sliding in the bayonet 28, the second positioning plate 27 drives the third sliding block 25 to slide in the third sliding groove 23 through the fixing rod 26, and meanwhile, the third sliding block 25 compresses the second return spring 24, so that the distance between the plurality of second positioning plates 27 is shortened, the connecting wire is drawn out from the receiving box 21, and the connecting wire is effectively received, meanwhile, the use efficiency of the connecting line is improved, and the use convenience is improved;
referring to the attached drawing 3 of the specification, by providing the fixing mechanism 33, the cover plate 30 is turned over, so that the fixing port 31 on the cover plate 30 is clamped outside the fixing plate 39, then the fixing plate 39 is pressed, the fixing plate 39 extrudes the third return spring 38 to spring the cover plate 30, then the fixing plate 39 is rotated, the fixing plate 39 drives the clamping rod 35 to rotate inside the driving groove 36, so that the fixing plate 39 is clamped on the cover plate 30, then the fixing plate 39 is loosened, the third return spring 38 pushes the sliding rod 34 to move horizontally, the sliding rod 34 drives the clamping rod 35 to be clamped into the clamping groove 37 to be fixed, so that the cover plate 30 and the storage box 21 are fixed, the storage box 21 is sealed, the sealing efficiency of the storage box 21 is effectively improved, and the cover plate 30 is conveniently and rapidly fixed.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625896.5A CN110244094B (en) | 2019-07-11 | 2019-07-11 | A signal generator for instrument detection |
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| CN201910625896.5A CN110244094B (en) | 2019-07-11 | 2019-07-11 | A signal generator for instrument detection |
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| CN110244094A CN110244094A (en) | 2019-09-17 |
| CN110244094B true CN110244094B (en) | 2021-07-13 |
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| CN201919960U (en) * | 2010-12-03 | 2011-08-10 | 东莞贺捷塑胶有限公司 | Improved luggage handles and luggage |
| CN204541132U (en) * | 2015-03-14 | 2015-08-12 | 温州凯尔特五金有限公司 | Draw-bar box handle |
| CN106645834A (en) * | 2016-11-11 | 2017-05-10 | 成都悦城防御科技有限公司 | Signal generation instrument with wire collection function |
| CN207707455U (en) * | 2017-12-22 | 2018-08-10 | 广东名将旅行用品有限公司 | A kind of elastic draw bar case hand handle |
| CN208172689U (en) * | 2018-05-22 | 2018-11-30 | 广州捷拓电子有限公司 | A kind of power module with built-in handle |
| CN108634780A (en) * | 2018-06-21 | 2018-10-12 | 中山市元亨家居用品有限公司 | Portable electric kettle for travel |
| CN208985046U (en) * | 2018-11-26 | 2019-06-14 | 苏州易优米信息科技有限公司 | A kind of portable inquiry about market information notebook |
| CN109779393A (en) * | 2018-12-26 | 2019-05-21 | 杭州丽博家居有限公司 | A kind of door knob and its design method with built-in handle |
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| CN110244094A (en) | 2019-09-17 |
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