阅读说明：本技术 一种卡口型遥控高压接地装置 (Bayonet type remote control high-voltage grounding device ) 是由 李少峰 郭碧翔 张允林 王宪菊 郭宇豪 肖颍涛 刘志峰 吕清洁 陈琼芳 王静 王 于 2021-01-20 设计创作，主要内容包括：本发明提供了一种卡口型遥控高压接地装置,通过设置操作杆和接地夹具；驱动机构的转动机构定位设在基座上；螺杆通过转动机构来实现水平方向轴向转动；丝杆通过转动机构来实现上下移动；夹臂一和夹臂二的内端定位设在螺杆的中间位置上,外端分别与螺杆两端的螺套铰接；上夹臂一和上夹臂二分别向内倾斜设在导线上端的左、右两侧边,下夹臂通过驱动机构设在导线的下端外侧；接地夹具定位设在操作杆上。本申请通过采用接地线下卡口与两上夹臂上的接地线上卡口呈三角形状分布,能使得装置在夹持时与导线接触更加牢固,可以实现在施工过程中线夹受到振动时不会松动而形成虚挂,使高压输电线与外接地线可靠连接,操作方便,效率高。(The invention provides a bayonet type remote control high-voltage grounding device, which is characterized in that an operating rod and a grounding clamp are arranged; the rotating mechanism of the driving mechanism is positioned on the base; the screw rod realizes axial rotation in the horizontal direction through a rotating mechanism; the screw rod moves up and down through a rotating mechanism; the inner ends of the first clamping arm and the second clamping arm are positioned at the middle position of the screw, and the outer ends of the first clamping arm and the second clamping arm are respectively hinged with screw sleeves at two ends of the screw; the upper clamping arm I and the upper clamping arm II are respectively arranged on the left side and the right side of the upper end of the lead in an inward inclining manner, and the lower clamping arm is arranged on the outer side of the lower end of the lead through a driving mechanism; the grounding clamp is positioned on the operating rod. This application is through adopting under the earth connection bayonet socket and two earth connection on going up the arm lock bayonet socket and being the triangle-shaped shape and distributing, can make the device more firm with the wire contact when the centre gripping, can realize that the fastener can not become flexible and form virtual string when receiving the vibration in the work progress, makes high tension power line and external ground wire reliably be connected convenient operation, efficient.)

1. A bayonet type remote control high-voltage grounding device is characterized in that: the grounding clamp comprises an operating rod and a grounding clamp;

the grounding clamp comprises an upper clamping arm I, an upper clamping arm II, a lower clamping arm and a driving mechanism; the driving mechanism comprises a base, a rotating mechanism, a screw rod and a screw rod; the rotating mechanism is positioned on the base; the screw rod realizes axial rotation in the horizontal direction through the rotating mechanism; the screw rod moves up and down through the rotating mechanism; the inner ends of the first clamping arm and the second clamping arm are positioned at the middle position of the screw, and the outer ends of the first clamping arm and the second clamping arm are respectively hinged with screw sleeves at two ends of the screw; the upper clamping arm I and the upper clamping arm II are respectively arranged on the left side and the right side of the upper end of the lead in an inward inclining manner, and the lower clamping arm is arranged on the outer side of the lower end of the lead through a driving mechanism and used for realizing the formation of a triangular bayonet structure;

the grounding clamp is positioned on the operating rod.

2. The bayonet-type remote-controlled high-voltage grounding device according to claim 1, characterized in that: the upper clamping arm I and the upper clamping arm II are symmetrically arranged on the screw rod and used for realizing the clamping structure forming an isosceles triangle.

3. The bayonet-type remote-controlled high-voltage grounding device according to claim 1, characterized in that: the base comprises a first shell, a second shell and a third shell; the second shell and the third shell are respectively positioned at the upper end and the lower end of one side of the first shell; the other side of the first shell is connected with the operating rod.

4. A bayonet-type remote-controlled high-voltage grounding device according to claim 3, characterized in that: the bottom side of the second shell is provided with two long through holes, the middle part of the second shell is positioned and provided with a supporting block, and the inner side of the second shell is movably connected with a first screw rod and a second screw rod through rotation; the first screw rod and the second screw rod are opposite in screw direction and are in transmission connection through the supporting block at the ends.

5. The bayonet-type remote-controlled high-voltage grounding device according to claim 4, characterized in that: the rotating mechanism comprises a motor, a first belt wheel, a second belt wheel, a transmission rod and a screw rod sleeve; the motor is fixed on the top side of the first shell; the screw rod is coaxially and fixedly connected with a rotating shaft of the motor to realize the axial rotation of the screw rod;

the first belt pulley is positioned on the output shaft of the motor; the transmission rod is transversely arranged, and one end of the transmission rod is connected with a second belt wheel; the second belt wheel is linked with the first belt wheel through a belt; the end part of the transmission rod, which is far away from the second belt wheel, penetrates through the first shell and the bracket and extends into the third shell, and the other end of the transmission rod is in meshing transmission with a first helical gear under the screw rod sleeve through a second helical gear; the screw rod sleeve is in threaded connection with the lower end of the screw rod.

6. The bayonet-type remote-controlled high-voltage grounding device according to claim 5, characterized in that: the screw rods comprise a first screw rod and a second screw rod, the inner ends of the first screw rod and the second screw rod are positioned and connected through supporting blocks, the outer ends of the first screw rod and the second screw rod are respectively connected with screw sleeves on the first screw rod and the second screw rod through connecting rods, and the first screw rod and the second screw rod are inclined, expanded and contracted through relative axial movement of the screw sleeves on the first screw rod and the second screw rod.

7. The bayonet-type remote-controlled high-voltage grounding device according to claim 4, characterized in that: the supporting block is hinged with a first upper clamping arm and a second upper clamping arm at the end parts close to the two long through holes; the upper clamping arm I, the upper clamping arm II and the connecting rod penetrate through the long through hole and extend out of the second shell; the outer side ends of the first upper clamping arm and the second upper clamping arm are connected with a rotating seat, and the end part of the connecting rod extending out of the long through hole is movably connected with the rotating seat.

8. The bayonet-type remote-controlled high-voltage grounding device according to claim 5, characterized in that: a bracket and a baffle plate are also arranged; the bracket and the baffle are fixed in the third shell cavity; the top of the third shell is provided with a threaded through hole; the screw rod sleeve is arranged on the lower side of the support, the bottom end of the screw rod sleeve is connected with a first bevel gear, and the top end of the screw rod sleeve penetrates through the support and extends to the upper part of the support;

the lead screw is arranged on the support and the bottom end of the lead screw is matched with the lead screw sleeve, the top end of the lead screw penetrates through the baffle plate and the thread opening and is connected with a bayonet under the grounding wire, and two sides of the bottom end of the bayonet under the grounding wire are connected with the top end of the third shell through the telescopic rod.

9. The bayonet-type remote-controlled high-voltage grounding device according to claim 1, characterized in that: the clamping openings are positioned at the inner sides of the upper clamping arm I, the upper clamping arm II and the lower clamping arm and are matched with the size of the outer side of the lead; the bayonet is circular arc draw-in groove structure.

10. A bayonet-type remote-controlled high-voltage grounding device according to claim 3, characterized in that: the screw rod is movably connected with the lower end of the bayonet, the lower end of the bayonet is further provided with a positioning telescopic rod, an upper end piston rod of the positioning telescopic rod is connected with the bayonet in a positioning mode, and a lower end base is connected with the third shell in a positioning mode.

Technical Field

The invention relates to the technical field of high-voltage transmission line maintenance, in particular to a flexible powerful bayonet type remote control high-voltage grounding device.

Background

The high-voltage overhead transmission line has to be powered off when needing to be maintained and overhauled, then the operating personnel articulates the ground wire at the high-voltage transmission line both ends that need to be maintained and overhauled to avoid causing the injury to the on-the-spot operation personnel because of unexpected sudden incoming telegram, consequently articulate the ground wire and guarantee the important measure of operating personnel's personal safety when high voltage monitoring transmission line is maintained and overhauld, also guarantee the important measure of operating personnel's personal safety when preventing to close on electrified body and produce the response electric shock or the mistake is closed a floodgate.

At present, a direct-hanging wire clamp is usually adopted for a grounding wire, and in order to enable the wire clamp to be more firmly contacted with a wire when the direct-hanging wire clamp is used, an insulating rod connected to the wire clamp is required to be perpendicular to the wire or close to 90 degrees, so that the installation requirement of the grounding wire can be met. However, when the grounding wire is installed by workers, due to the limitation of the working environment, the insulating rod and the wire are difficult to be perpendicular to each other or approach 90 degrees, so that the grounding wire clamp is not firm in contact with the wire, when the wire vibrates in the construction process, the grounding wire can be loosened to separate from the wire, the contact surface of the grounding wire clamp and the wire is reduced, and great potential safety hazards are reserved for electric power construction safety.

Disclosure of Invention

The invention aims to provide a bayonet type remote control high-voltage grounding device, and aims to solve the technical problem that a clamping wire of a grounding wire clamp is easy to loosen or separate at the present stage.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a bayonet type remote control high-voltage grounding device comprises an operating rod and a grounding clamp;

the grounding clamp comprises an upper clamping arm I, an upper clamping arm II, a lower clamping arm and a driving mechanism; the driving mechanism comprises a base, a rotating mechanism, a screw rod and a screw rod; the rotating mechanism is positioned on the base; the screw rod realizes axial rotation in the horizontal direction through the rotating mechanism; the screw rod moves up and down through the rotating mechanism; the inner ends of the first clamping arm and the second clamping arm are positioned at the middle position of the screw rod, and the outer ends of the first clamping arm and the second clamping arm are respectively hinged with the screw sleeves at the two ends of the screw rod; the upper clamping arm I and the upper clamping arm II are respectively arranged on the left side and the right side of the upper end of the lead in an inward inclining manner, and the lower clamping arm is arranged on the outer side of the lower end of the lead through a driving mechanism and used for realizing the formation of a triangular bayonet structure;

the grounding clamp is positioned on the operating rod.

As a further improvement of the invention, the first upper clamping arm and the second upper clamping arm are symmetrically arranged on the screw rod and are used for realizing the isosceles triangle-shaped clamping structure.

As a further improvement of the present invention, the base includes a first housing, a second housing, and a third housing; the second shell and the third shell are respectively positioned at the upper end and the lower end of one side of the first shell; the other side of the first shell is connected with the operating rod.

As a further improvement of the invention, the bottom side of the second shell is provided with two long through holes, the middle part of the second shell is provided with a supporting block in a positioning way, and the inner side of the second shell is movably connected with a first screw rod and a second screw rod through rotation; the first screw rod and the second screw rod are opposite in screw direction and are in transmission connection through the supporting block at the ends.

As a further improvement of the invention, the rotating mechanism comprises a motor, a first belt wheel, a second belt wheel, a transmission rod and a screw rod sleeve; the motor is fixed on the top side of the first shell; the screw rod is coaxially and fixedly connected with a rotating shaft of the motor to realize the axial rotation of the screw rod;

the first belt pulley is positioned on the output shaft of the motor; the transmission rod is transversely arranged, and one end of the transmission rod is connected with a second belt wheel; the second belt wheel is linked with the first belt wheel through a belt; the end part of the transmission rod, which is far away from the second belt wheel, penetrates through the first shell and the bracket and extends into the third shell, and the other end of the transmission rod is in meshing transmission with a first bevel gear under the screw rod sleeve through a second bevel gear; the screw rod sleeve is in threaded connection with the lower end of the screw rod.

As a further improvement of the invention, the screw comprises a first screw and a second screw, the inner ends of the first screw and the second screw are positioned and connected through a supporting block, the outer ends of the first screw and the second screw are respectively connected with screw sleeves on the first screw and the second screw through connecting rods, and the first screw and the second screw are inclined, expanded and contracted through relative axial movement of the screw sleeves on the first screw and the second screw.

As a further improvement of the invention, the end parts of the supporting blocks, which are close to the two long through holes, are hinged with an upper clamping arm I and an upper clamping arm II; the upper clamping arm I, the upper clamping arm II and the connecting rod penetrate through the long through hole and extend out of the second shell; the outer side ends of the first upper clamping arm and the second upper clamping arm are connected with a rotating seat, and the end part of the connecting rod extending out of the long through hole is movably connected with the rotating seat.

As a further improvement of the invention, the device is also provided with a bracket and a baffle; the bracket and the baffle are fixed in the third shell cavity; the top of the third shell is provided with a threaded through hole; the screw rod sleeve is arranged on the lower side of the support, the bottom end of the screw rod sleeve is connected with a first bevel gear, and the top end of the screw rod sleeve penetrates through the support and extends to the upper part of the support;

the lead screw is arranged on the support, the bottom end of the lead screw is matched with the lead screw sleeve, the top end of the lead screw penetrates through the baffle plate and the thread opening and is connected with a lower bayonet of the grounding wire, and two sides of the bottom end of the lower bayonet of the grounding wire are connected with the top end of the third shell through the telescopic rod.

As a further improvement of the invention, the wire guide device is also provided with bayonets which are positioned at the inner sides of the upper clamping arm I, the upper clamping arm II and the lower clamping arm and are matched with the outer side of the wire in size; the bayonet is circular arc draw-in groove structure.

As a further improvement of the invention, the screw rod is movably connected with the lower end of the bayonet, the lower end of the bayonet is also provided with a positioning telescopic rod, a piston rod at the upper end of the positioning telescopic rod is connected with the bayonet in a positioning manner, and a base at the lower end of the positioning telescopic rod is connected with the third shell in a positioning manner.

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

1. this application is through adopting under the earth connection bayonet socket and two earth connection on going up the arm lock bayonet socket and being the triangle-shaped shape and distributing, can make the device more firm with the wire contact when the centre gripping, can realize that the fastener can not become flexible and form virtual string when receiving the vibration in the work progress, makes high tension power line and external ground wire reliably be connected convenient operation, efficient.

2. This application is through adopting curved earth connection bayonet socket and cooperating its inboard latch to enable to connect more firm when the centre gripping, and the chucking wire that can be firm avoids because of the electric power construction risk that earthing device drops and leads to.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1;

FIG. 3 is a schematic view of the internal structure of a third housing according to the present invention;

the reference numbers in the figures illustrate:

1. an operating lever; 2. a grounding clamp; 201. an upper clamping arm I; 202. an upper clamping arm II; 203. a lower clamping arm; 204. a drive mechanism; 2041. a base; 20411. a first housing; 20412. a second housing; 20413. a third housing; 2042. a rotating mechanism; 20421. a motor; 20422. a first pulley; 20423. a second pulley; 20424. a transmission rod; 20425. a screw rod sleeve; 2043. a screw; 20431. a first screw; 20432. a second screw; 2044. a screw rod; 2045. a support block; 2046. a support; 2047. a baffle plate; 205. a bayonet; 206. a connecting rod; 207. a threaded sleeve; 3. and (4) conducting wires.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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 invention provides a bayonet type remote control high-voltage grounding device which is combined with accompanying drawings 1 to 3 and aims to solve the technical problem that a clamping wire of a grounding wire clamp is easy to loosen or separate at the present stage.

Specifically, the device comprises an operating rod 1 and a grounding clamp 2;

the grounding clamp 2 comprises an upper clamping arm I201, an upper clamping arm II 202, a lower clamping arm 203 and a driving mechanism 204; the driving mechanism 204 comprises a base 2041, a rotating mechanism 2042, a screw 2043 and a screw 2044; the rotating mechanism 2042 is positioned on the base 2041; the screw 2043 realizes axial rotation in the horizontal direction through the rotating mechanism 2042; the screw 2044 moves up and down through the rotating mechanism 2042; the inner ends of the first clamping arm and the second clamping arm are positioned at the middle position of the screw 2043, and the outer ends of the first clamping arm and the second clamping arm are respectively hinged with the screw sleeves 207 at the two ends of the screw 2043; the upper clamping arm I201 and the upper clamping arm II 202 are respectively arranged on the left side and the right side of the upper end of the lead 3 in an inward inclining manner, and the lower clamping arm 203 is arranged on the outer side of the lower end of the lead 3 through a driving mechanism 204 and is used for realizing the formation of a triangular bayonet 205 structure;

the grounding clamp 2 is positioned on the operating rod 1.

This application is through adopting under the earth connection bayonet socket and two earth connection on going up the arm lock bayonet socket and being the triangle-shaped shape and distributing, enables to install more firm with 3 contacts of wire when the centre gripping, can realize can not loosen and form virtual string when the fastener receives the vibration in the work progress, makes high tension transmission line and external ground wire reliably be connected convenient operation, efficient.

Further, the first upper clamping arm 201 and the second upper clamping arm 202 are symmetrically arranged on the screw 2043, so as to form an isosceles triangle-shaped clamping structure.

Further, the base 2041 includes a first housing 20411, a second housing 20412, and a third housing 20413; the second shell 20412 and the third shell 20413 are respectively positioned at the upper end and the lower end of one side of the first shell 20411; the other side of the first housing 20411 is connected to the operating rod 1.

Furthermore, two long through holes are formed in the bottom side of the second housing 20412, a supporting block 2045 is positioned and installed in the middle of the second housing 20412, and a first screw 20431 and a second screw 20432 are movably connected to the inner side of the second housing 20412 through rotation; the first screw 20431 and the second screw 20432 are opposite in screw direction, and the ends thereof are drivingly connected by a support block 2045.

Further, the rotating mechanism 2042 includes a motor 20421, a first pulley 20422, a second pulley 20423, a transmission rod 20424 and a screw rod sleeve 20425; the motor 20421 is fixed on the top side of the first housing 20411; the screw 2043 is coaxially and fixedly connected with a rotating shaft of the motor 20421, so as to realize axial rotation of the screw 2043;

the first belt pulley 20422 is positioned on the output shaft of the motor 20421; the transmission rod 20424 is transversely arranged and one end of the transmission rod is connected with a second belt wheel 20423; the second pulley 20423 and the first pulley 20422 are linked by a belt; the end of the transmission rod 20424, which is far away from the second pulley 20423, passes through the first housing 20411 and the bracket 2046 and extends into the third housing 20413, and the other end of the transmission rod is meshed with the first bevel gear below the screw rod sleeve 20425 through the second bevel gear for transmission; the screw rod sleeve 20425 is in threaded connection with the lower end of the screw rod 2044.

Further, the screw 2043 comprises a first screw 20431 and a second screw 20432, inner ends of the first screw 20431 and the second screw 20432 are positioned and connected through a support block 2045, outer ends of the first screw 20431 and the second screw 20432 are respectively connected with screw sleeves 207 on the first screw 20431 and the second screw 20432 through a connecting rod 206, and the first screw 20431 and the second screw 20432 are axially moved relative to each other through the screw sleeves 207, so that the inclined outward expansion and contraction of the first screw 20431 and the second screw 20432 are realized.

Furthermore, an upper clamping arm I201 and an upper clamping arm II 202 are hinged to the end parts of the supporting blocks 2045 close to the two long through holes; the first upper clamping arm 201, the second upper clamping arm 202 and the connecting rod 206 all penetrate through the long through hole and extend out of the second shell 20412; the outer ends of the first upper clamping arm 201 and the second upper clamping arm 202 are connected with a rotating seat, and the end part of the connecting rod 206 extending out of the long through hole is movably connected with the rotating seat.

Further, a bracket 2046 and a baffle 2047 are also arranged; the bracket 2046 and the baffle 2047 are both fixed in the cavity of the third housing 20413; the top of the third shell 20413 is provided with a threaded through hole; the screw rod sleeve 20425 is arranged on the lower side of the support 2046, the bottom end of the screw rod sleeve 20425 is connected with a first bevel gear, and the top end of the screw rod sleeve 20425 penetrates through the support 2046 and extends to the upper part of the support 2046.

Further, lead screw 2044 is arranged on support 2046 and the bottom end of lead screw is matched with lead screw sleeve 20425, the top end of lead screw 2044 penetrates through baffle 2047 and the thread through opening and is connected with a grounding wire lower bayonet, and the two sides of the bottom end of the grounding wire lower bayonet are connected with the top end of third housing 20413 through a telescopic rod.

Further, a bayonet 205 is further arranged, and the bayonet 205 is positioned at the inner sides of the first upper clamping arm 201, the second upper clamping arm 202 and the lower clamping arm 203 and is matched with the size of the outer side of the lead 3; through adopting curved ground connection ply-yarn drill mouth 205 and cooperating its inboard latch and can make more firm when connecing the centre gripping, chucking wire 3 that can be firm avoids because of the electric power construction risk that earthing device drops and lead to.

Further, the bayonet 205 is an arc-shaped slot structure; the upper clamping openings of the grounding wire are fixedly arranged at the inner side ends of the upper clamping arms, arc clamping grooves are formed in the upper clamping openings of the grounding wire and the lower clamping openings of the grounding wire, and the lower clamping openings of the grounding wire and the upper clamping openings of the grounding wire on the two upper clamping arms are distributed in an isosceles triangle shape.

Further, be equipped with the latch that is used for increasing frictional force on the arcwall face inside of bayonet 205, the latch can further promote the stability of fastener centre gripping, makes its erection joint more firm.

Further, the screw rod 2044 is movably connected with the lower end of the bayonet 205, the lower end of the bayonet 205 is further provided with a positioning telescopic rod, a piston rod at the upper end of the positioning telescopic rod is connected with the bayonet 205 in a positioning manner, and the lower end base 2041 is connected with the third housing 20413 in a positioning manner.

Preferably, the lead screw 2044 is movably sleeved with the bayonet 205, so that when the lead screw 2044 rotates to move upwards, the bayonet 205 is lifted vertically.

In this embodiment, a power supply and a control board are disposed inside the operating rod 1, the power supply and the control board are connected to the motor 20421, and a wireless control device that sends signals to the control board and controls the motor 20421 to open and close through the control board is disposed at the bottom side of the operating rod 1.

In specific implementation, the cable is inserted from an opening formed between the second housing 20412 and the third housing 20413, the motor 20421 is started to drive the first screw 20431 and the first pulley 20422 to operate, the first pulley 20422 is made to link with the second pulley 20423, the second pulley 20423 is made to drive the transmission rod 20424 to operate, the transmission rod 20424 is made to engage with the first bevel gear through the second bevel gear at the end thereof, the transmission rod 20424 is made to drive the screw sleeve 20425 to operate, the screw sleeve 20425 is made to realize upward movement of the lower bayonet of the ground wire through cooperation with the screw 2044, and the lower bayonet of the ground wire holds the cable, and the operation of the first screw 20431 drives the second screw 20432 to operate, so that the screw sleeves 207 on the first screw 20431 and the second screw 20432 move, the screw sleeve 207 drives the connecting rod 206, the connecting rod 206 drives the upper bayonet clamp arm to fix the upper bayonet cable clamp arm, the upper bayonets of the two grounding wires and the lower bayonets of the grounding wire are distributed in an isosceles triangle shape, so that the clamping performance of the grounding wire is better, and the high-voltage power transmission line is clamped by the upper bayonets of the grounding wire and the lower bayonets of the grounding wire, so that the high-voltage power transmission line is reliably connected with the external grounding wire, and the operation of connecting the grounding wire is completed.

The device is convenient to operate and high in efficiency, the lower bayonets of the grounding wire and the upper bayonets of the grounding wire on the two upper clamping arms are distributed in an isosceles triangle shape, so that the device can be more firmly contacted with the lead 3 during clamping, the phenomenon that the wire clamp is loosened to form virtual hanging when being vibrated in the construction process can be ensured, and the mounting requirement of the grounding wire is met; the arc-shaped grounding wire bayonet 205 is matched with the clamping teeth on the inner side of the grounding wire bayonet, so that the clamping is more stable during the connection and clamping, the wire 3 can be firmly clamped, and the electric power construction risk caused by the falling of the grounding device is avoided; it is worth noting that: whole device is connected with power and total control button, and it realizes controlling it through total control button, because the equipment that control button matches is equipment commonly used, belongs to current mature technique, no longer gives unnecessary details its electric connection relation and specific circuit structure here.

The device has the advantages of simple structure, convenient installation and operation, repeated utilization, economy, practicality, flexible use, reasonable design, compact structure and good market prospect.

It should be noted that the detailed description of the present invention is not included in the prior art, or can be directly obtained from the market, and the detailed connection method thereof has an extremely wide application in the field or daily life without any creative effort, and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected or detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise explicitly specified or limited, a first feature may be "on" or "under" a second feature in direct contact with the first and second features, or in indirect contact with the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.