Disclosure of Invention
Based on this, it is necessary to provide a cable insulation sheath performance detection device, which aims to solve the problem that in the prior art, it is necessary to ensure that the cable insulation sheath is uniformly heated and wound after being heated.
In one aspect, the present application provides a cable insulation sheath performance detection apparatus, comprising:
the left end of heating cabinet is the opening form, and the lower terminal surface of heating cabinet inner wall slides and is provided with the ascending U-shaped frame of opening, and the intermediate position department of heating cabinet inner wall is provided with external heating equipment (not shown in the figure).
The screw shaft is rotatably arranged on the left side part of the vertical part of the U-shaped frame, the right side vertical part of the U-shaped frame is rotatably provided with a fixed shaft, square blocks are arranged on the screw shaft and the fixed shaft, the screw shaft is rotatably connected with the corresponding square blocks, and the fixed shaft is fixedly connected with the corresponding square blocks.
The winding mechanism is arranged on the opposite surfaces of the two square blocks, and the spreading mechanism for spreading the sheath is arranged between the two square blocks.
The winding mechanism comprises a rotating plate, the left end part of the spiral shaft, which is located on the left side square block, is provided with a rotating sleeve, the rotating sleeve is fixedly provided with a rotating plate, the right side fixing shaft, which is located on the right side square block, is provided with a fixing plate, lifting grooves are formed in the opposite faces of the rotating plate and the fixing plate, lifting plates are arranged in the lifting grooves in a sliding manner through an electric sliding block, clamping components for fixing and clamping a sheath are arranged on the two lifting plates, the left side of the clamping components comprise a sliding groove, the left side of the clamping components are provided with sliding grooves on the lower end face of the lifting plates, a hanging plate is arranged in the sliding groove in a sliding manner through the sliding block, a base plate is fixedly arranged on the lower end face of the lifting plate, a pushing guide rod fixedly connected with the hanging plate is arranged between the base plate and the hanging plate, a mounting plate and an aligning rod are sequentially fixedly arranged on the right end face of the hanging plate from top to bottom, a plurality of clamping columns which are arranged from left to right in an equidistant manner are arranged in the front end face of the mounting plate and back of the mounting plate, L-shaped plates are fixedly arranged on the opposite faces of the L-shaped horizontal parts which are symmetrical to each other, and the L-shaped horizontal parts are fixedly arranged on the opposite faces of the L-shaped horizontal parts which are respectively arranged through the fixing blocks and are fixedly arranged on the right side of the right end face of the mounting plate to the mounting plate and the right side of the mounting plate, and the L-shaped plate is fixedly arranged on the right side of the right mounting plate and the right mounting plate.
According to an advantageous embodiment, the first driving group comprises a first spring, the vertical part of the L-shaped plate and the opposite surface of the mounting plate are provided with a first spring corresponding to the clamping columns together, the upper end surface of the mounting plate is fixedly provided with two fixing columns distributed left and right, the two fixing columns are provided with isosceles trapezoid driving blocks in a sliding mode together, the two inclined surfaces of the driving blocks face downwards, the upper end surfaces of the two fixing columns are fixedly provided with fixing strips together, the second spring is fixedly arranged between the fixing strips and the driving blocks together, the upper end surface of the vertical part of the L-shaped plate is fixedly provided with a matching block through a connecting strip which is L-shaped, the matching block is in a right trapezoid shape, and the inclined surfaces of the matching blocks are mutually matched with the inclined surfaces of the driving blocks.
The second driving group comprises a transmission gear, the transmission gear is fixedly sleeved on the rotary sleeve, and a driving gear meshed with the transmission gear is arranged on the left vertical part of the U-shaped frame in a rotating mode through a gear shaft.
According to an advantageous embodiment, the alignment rod is divided into a left section and a right section, the left section is in a cylindrical structure with a shaft diameter smaller than the inner diameter of the sheath, and the right section is in a conical structure.
According to an advantageous embodiment, the rear end face of the hanging plate on the left side and the front end face of the hanging plate on the right side are fixedly provided with U-shaped plates, the opening of the U-shaped plate on the left side is forward, the opening of the U-shaped plate on the right side is backward, the lower end faces of the adjacent sections of the two U-shaped plates are fixedly provided with hanging columns, and the hanging columns are rotatably sleeved with retaining sleeve rollers.
According to an advantageous embodiment, the opening mechanism comprises an opening column, the end faces around the square blocks are all provided with the opening column in a sliding mode, the end faces, far away from the square blocks, of the opening column are fixedly provided with rectangular strips, an arc-shaped opening plate is fixedly arranged between the two rectangular strips corresponding to the left rectangular strip and the right rectangular strip, a spiral part of a spiral shaft is located between the two square blocks, a matching ring is in threaded fit on the spiral shaft, opening strips are arranged between the matching ring and all opening plates, and the opening strips are hinged to the matching ring and the corresponding opening plates.
According to an advantageous embodiment, two jointly fixed be provided with the rectangular plate between the square piece, and the rectangular plate is located between two adjacent struts boards, is provided with the regulation group on the rectangular plate, the regulation group includes the adjustment tank, a plurality of adjustment tanks that arrange from left to right equidistance are seted up to the terminal surface in the rectangular plate orientation outside, and the adjustment inslot slides through the adjustment piece and is provided with the movable plate, and the right-hand member face of movable plate articulates the limiting plate that is provided with the U-shaped, all is provided with synchronous subassembly between two adjacent movable plates, synchronous subassembly includes rotatory strip, the rotation is provided with rotatory strip through the rotation of rotation axis on the rectangular plate, and the both ends of rotatory strip all are provided with the swinging strip through the jackshaft rotation, and swinging strip and corresponding movable plate are swing joint, and the right side of rectangular plate is provided with the fixed group that is used for controlling the limiting plate.
According to an advantageous embodiment, the fixing set comprises a fixing groove, the right part of the rectangular plate located on the rightmost side of the moving plate faces towards the outer side, the fixing groove is formed in the end face of the rectangular plate located on the rightmost side, a fixing bolt is arranged in the fixing groove in a sliding mode, a fixing long plate is fixedly arranged on the right end face of the moving plate corresponding to the rightmost side, a containing groove is formed in the fixing long plate, the fixing bolt is located in the containing groove, and a fixing nut is matched with the fixing bolt in a threaded mode.
According to an advantageous embodiment, the outer cambered surface of the uppermost spreader plate is fixedly provided with a plurality of splitter plates which are equidistantly arranged from left to right.
In summary, the present application includes at least one of the following beneficial effects: 1. according to the application, the two clamping components are inserted into the openings at the two ends of the insulating sheath through the alignment rod, then the front and rear corresponding clamping plates are mutually matched to clamp the insulating sheath through the matching between the driving block and the matching block, and meanwhile, the cable insulating sheath can be preliminarily wound on the opening plate through the driving of the left rotating plate, so that the cable insulating sheath is convenient for subsequent heating in a high-temperature environment and winding and stretching after subsequent heating, and the completeness of thermal shock detection is ensured.
2. When the cable insulating sheath is not heated, the right clamping part clamps and fixes the right end of the cable insulating sheath, the left clamping part drives the insulating sheath to rotate and enable the insulating sheath to be wound on the expanding plates in the expanding mechanism, and meanwhile, the four expanding plates in the expanding mechanism are initially expanded, so that the bending resistance of the cable insulating sheath is detected, and whether the surface insulating layer of the cable insulating sheath is damaged or not is observed.
3. According to the application, after the insulating sheath is heated, the four expansion plates expand the insulating sheath by the cooperation between the cooperation ring and the screw shaft, and observe whether the insulating sheath is broken and cracked at the moment, and meanwhile, through the mutual cooperation among all synchronous components, the limiting plates drive the corresponding insulating sheath on the insulating sheath to be pulled open, so that the transverse inward bending and stretching degree of the cable insulating sheath can be controlled and changed, different bending situations of the insulating sheath can be conveniently simulated, and the completeness of thermal shock detection is ensured.
4. The circumferential surface of the sleeve blocking roller is an inward concave arc surface, so that the cable insulation sheath is clamped, the left clamping part can conveniently drive the insulation sheath to rotate for winding, and meanwhile, the problem that the detection error is increased due to damage caused by large-angle deflection of the insulation sheath is avoided.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 2, a cable insulation sheath performance detection apparatus includes:
the heating cabinet 1, the left end of heating cabinet 1 is the opening form, and the lower terminal surface of heating cabinet 1 inner wall slides and is provided with the ascending U-shaped frame 11 of opening, and the intermediate position department of heating cabinet 1 inner wall is provided with external heating equipment (not shown in the figure).
The screw shaft 2 is rotatably arranged on the left part of the vertical part of the U-shaped frame 11, the right vertical part of the U-shaped frame 11 is rotatably provided with a fixed shaft, square blocks 20 are arranged on the screw shaft 2 and the fixed shaft, the screw shaft 2 is rotatably connected with the corresponding square blocks 20, and the fixed shaft is fixedly connected with the corresponding square blocks 20.
The winding mechanism 3 is arranged on the opposite surfaces of the two square blocks 20, and the expanding mechanism 4 for expanding the sheath is arranged between the two square blocks 20.
During operation, the cable insulation sheath needing to be detected is placed on the U-shaped frame 11 through the manual work, the cable insulation sheath is wound through the winding mechanism 3, whether the damage problem occurs to the cable insulation sheath or not is observed, then the U-shaped frame 11 is moved to enable the U-shaped frame 11 to move to the heating box 1, external heating equipment in the heating box 1 works, the cable insulation sheath in the middle of the U-shaped frame 11 is heated, then the electric insulation sheath is stretched and wound again through the cooperation of the winding mechanism 3 and the stretching mechanism 4, and whether the cable insulation sheath is broken or damaged is observed, so that the thermal shock detection and bending performance detection of the insulation sheath are completed.
As shown in fig. 3, 4 and 6, the winding mechanism 3 comprises a rotating plate 31, a rotating sleeve 30 is rotatably sleeved at the left end part of the screw shaft 2, which is positioned on the left square block 20, a rotating plate 31 is fixedly arranged on the rotating sleeve 30, a fixed plate 32 is fixedly sleeved at the right end part of the right fixed shaft, which is positioned on the right square block 20, lifting grooves 33 are formed on the opposite surfaces of the rotating plate 31 and the fixed plate 32, lifting plates 34 are arranged in the lifting grooves 33 in a sliding manner through an electric sliding block, clamping parts 35 for fixing insulation sheaths are arranged on the two lifting plates 34, the left side clamping parts 35 are illustrated by the left side clamping parts 35, the lower end surface of the left side lifting plates 34 is provided with a sliding groove 350, a hanging plate 351 is arranged in the sliding groove 350 in a sliding manner through the sliding block, the lower terminal surface of lifter plate 34 is fixed to be provided with the base plate, be provided with the promotion guide arm 352 of flexible end and suspension plate 351 fixed connection between base plate and the suspension plate 351, the right-hand member face of suspension plate 351 is from last fixed mounting panel 353 and the counterpoint pole 354 of having set gradually down, the front and back both ends face of mounting panel 353 all slidable mounting has a plurality of clamping posts 355 that left to right equidistance was arranged, the terminal surface that clamping post 355 kept away from mounting panel 353 is fixed to be provided with L shaped plate 356, the opposite face of the horizontal part of front and back symmetry L shaped plate 356 all is provided with the clamping plate 357 of arc and material for high temperature resistant rubber material through the connecting block is fixed, be provided with the drive group one 36 that drive clamping plate 357 pressed from both sides tight to the sheath and drive rotating plate 31 pivoted drive group two 37 on the mounting panel 353.
As shown in fig. 3 and 5, the first driving set 36 includes a first spring 360, a first spring 360 corresponding to the clamping column is disposed on the vertical portion of the L-shaped plate 356 and the opposite surface of the mounting plate 353, two fixing columns 361 distributed left and right are fixedly mounted on the upper end surface of the mounting plate 353, driving blocks 362 with isosceles trapezoid shape are slidingly mounted on the two fixing columns 361, two inclined surfaces of the driving blocks 362 face downward, fixing strips are fixedly disposed on the upper end surfaces of the two fixing columns 361, a second spring 363 is fixedly disposed between the fixing strips and the driving blocks 362, a fitting block 364 is fixedly disposed on the upper end surface of the vertical portion of the L-shaped plate 356 through a connecting strip with an L-shape, and the fitting block 364 is in a right trapezoid shape, and the inclined surfaces of the fitting block 364 are mutually fitted with the inclined surfaces of the driving blocks 362.
The second driving set 37 includes a transmission gear 370, the rotation sleeve 30 is fixedly sleeved with the transmission gear 370, a driving gear 371 meshed with the transmission gear 370 is rotatably disposed on the left vertical portion of the u-shaped frame 11 through a gear shaft, and the gear shaft is connected with the first external motor.
As shown in fig. 6, the alignment rod 354 is divided into a left section and a right section, the left section has a cylindrical structure with a shaft diameter smaller than the inner diameter of the sheath, and the right section has a tapered structure.
As shown in fig. 5 and 6, the rear end face of the left suspension plate 351 and the front end face of the right suspension plate 351 are both fixedly provided with a U-shaped plate 38, the opening of the left U-shaped plate 38 is forward, the opening of the right U-shaped plate 38 is backward, the lower end faces of the adjacent sections of the two U-shaped plates 38 are fixedly provided with suspension posts, and the suspension posts are rotatably sleeved with a sleeve blocking roller 39.
When the device works, firstly, the cable insulation sheath to be detected is wound and arranged on the opening plate 42 in the opening mechanism 4 in a ring form, the opening plate 42 in the opening mechanism 4 is positioned in the ring formed by the cable insulation sheath at the moment, the left clamping part 35 is used for describing, the first electric sliding block works to drive the lifting plate 34 to move to a specified position, then the telescopic end of the guide rod 352 is pushed to drive the suspension plate 351 to move right, the driving block 362 is manually pressed downwards, the corresponding second spring 363 is stretched, the set first spring 360 enables the inclined surface of the matching block 364 to be closely attached to the inclined surface of the driving block 362, so that the matching block 364 is far away from the corresponding driving block 362 through the close fit between the driving block 362 and the corresponding matching block 364, the driving block 362 synchronously moves through the corresponding L-shaped plate 356 by connecting strips, the L-shaped plate 356 drives the corresponding clamping plate 357 to be far away from the alignment rod 354, then the alignment rod 354 is manually inserted into one end of the corresponding cable insulation sheath, the driving block 362 is stopped to be pressed, the elastic force generated by the tensile deformation of the second spring 363 makes the driving block 362 rise and reset, and the first spring 360 is arranged to make the matching block 364 and the driving plate keep close, so the matching block 364 drives the clamping plate 357 on the matching block 364 to be close to the alignment rod 354 and the cable insulation sheath thereon through the L-shaped plate 356, the front and back corresponding clamping plates 357 mutually match to clamp the placed cable insulation sheath, so the clamping parts 35 on the two lifting plates 34 clamp the corresponding cable insulation sheath, the subsequent winding operation is facilitated, the clamping plate 357 is made of high temperature resistant rubber, so after the insulation sheath is clamped by the clamping plate 357, the friction force between the clamping plate 357 and the insulation sheath is increased due to the high temperature resistant rubber material of the clamping plate 357, the clamping effect of clamping plate 357 on the insulating sheath is ensured.
After the two ends of the insulating sheath are clamped, an external motor works to drive the driving gear 371 to rotate positively through the gear shaft, the driving gear 370 drives the rotating sleeve 30 to rotate reversely synchronously through the engagement between the driving gear 371 and the driving gear 370, the rotating sleeve 30 drives the rotating plate 31 to rotate synchronously, finally the rotating plate 31 drives the cable insulating sheath to rotate through the clamping part 35 on the rotating sleeve, in the rotating process, the right clamping part 35 clamps and fixes the right end of the cable insulating sheath, the left clamping part 35 drives the insulating sheath to rotate and enable the insulating sheath to be wound on the expanding plate 42 in the expanding mechanism 4, and the bending resistance of the cable insulating sheath can be detected, so that whether the surface insulating layer of the cable insulating sheath is damaged is observed.
The conical structure of the alignment rod 354 facilitates the insertion of the alignment rod into the cable insulation sheath, the subsequent clamping plate 357 is convenient to clamp the sheath by matching with the cylindrical part of the alignment rod 354, and the circumferential surface of the set sleeve blocking roller 39 is an arc surface concave, so that the cable insulation sheath is clamped, the left clamping part 35 is convenient to drive the insulation sheath to rotate for winding, and the problem that detection errors become large due to damage caused by deflection of the insulation sheath at a larger angle is avoided.
As shown in fig. 3 and 7, the spreading mechanism 4 includes spreading columns 40, the peripheral end faces of the square blocks 20 are slidably provided with spreading columns 40, the end faces of the spreading columns 40 away from the square blocks 20 are fixedly provided with rectangular strips 41, two corresponding rectangular strips 41 are fixedly provided with arc-shaped spreading plates 42 together, the spiral part of the spiral shaft 2 is located between the two square blocks 20, the spiral shaft 2 is provided with a matching ring 43 in a threaded fit manner, spreading strips 44 are arranged between the matching ring 43 and all the spreading plates 42, the spreading strips 44 are hinged with the matching ring 43 and the corresponding spreading plates 42, and the left part of the spiral shaft 2 is connected with an external motor.
As shown in fig. 3, fig. 8 and fig. 9, two rectangular plates 45 are fixedly arranged between the square blocks 20, the rectangular plates 45 are located between two adjacent opening plates 42, an adjusting group 46 is arranged on each rectangular plate 45, each adjusting group 46 comprises an adjusting groove, a plurality of adjusting grooves which are distributed from left to right equidistantly are formed in the end face of each rectangular plate 45 facing the outside, a movable plate 460 is slidably arranged in each adjusting groove through the adjusting block, a U-shaped limiting plate 461 is hinged to the right end face of each movable plate 460, a synchronizing assembly is arranged between every two adjacent movable plates 460, each synchronizing assembly comprises a rotating bar 462, each rotating bar 462 is arranged on each rectangular plate 45 through rotation of a rotating shaft, swinging bars 463 are arranged at two ends of each rotating bar 462 through rotation of an intermediate shaft, each swinging bar 463 is movably connected with the corresponding movable plate 460, and a fixed group 47 for controlling the corresponding limiting plate 461 is arranged on the right side of each rectangular plate 45.
As shown in fig. 9, the fixing set 47 includes a fixing groove 470, the right portion of the rectangular plate 45 located on the rightmost moving plate 460 faces to the outer side, the fixing groove 470 is provided, a fixing bolt 471 is slidably disposed in the fixing groove 470, a fixing long plate 472 is fixedly disposed corresponding to the right end face of the rightmost moving plate 460, a receiving groove is provided on the fixing long plate 472, the fixing bolt 471 is located in the receiving groove, and a fixing nut is screwed on the fixing bolt 471.
As shown in fig. 7, the outermost cambered surface of the spreader plate 42 is fixedly provided with a plurality of partition plates 48 which are equidistantly arranged from left to right.
During operation, the rotating plate 31 in the winding mechanism 3 drives the cable insulation sheath to rotate and wind, the external motor works to drive the screw shaft 2 to rotate, so that the screw shaft 2 is matched with the matching ring 43 through threads, the matching ring 43 moves rightwards, the corresponding supporting plates 42 are supported by the corresponding four supporting strips 44 in the right moving process of the matching ring 43, the supporting plates 42 are ensured to stably support by sliding relatively between the supporting columns 40 and the square blocks 20, the supporting plates 42 after being supported are mutually matched to preliminarily support the wound cable insulation sheath, the winding of the insulation sheath is facilitated, the arranged separating plates 48 preliminarily separate the wound sheath, only one circle of insulation sheath is arranged between every two adjacent separating plates 48, and the insulation sheath after one circle of winding is arranged in the limiting plates 461.
Then, the U-shaped frame 11 is moved to enable the U-shaped frame 11 to move into the heating box 1, external heating equipment (not shown in the drawing) in the heating box 1 works, the area where the cable insulation sheath is located is used as a heating area, the cable insulation sheath in the area is heated to 150 ℃, then the U-shaped frame 11 is moved out, meanwhile, the external motor continues to work to drive the screw shaft 2 to rotate, so that all the expanding plates 42 are continuously expanded, and therefore the four expanding plates 42 are mutually matched to expand the wound insulation sheath, and the situation that whether the insulation sheath is broken or damaged is observed manually is avoided, and the detection of thermal shock of the cable insulation sheath is completed.
When the insulating sheath is wound, the limiting plate 461 limits the placed insulating sheath, so that the distance between two adjacent rings of insulating sheaths is controlled, namely, the partial deflection degree of the insulating sheaths is controlled when the insulating sheaths are wound, the fixed long plate 472 is moved, the position of the fixed long plate 472 is fixed through the cooperation between the fixed bolt 471 and the fixed nut, so that the rightmost moving plate 460 is moved, the two adjacent moving plates 460 are mutually far away through the operation of the synchronous assembly, the rightmost synchronous assembly is used for describing, the rightmost moving plate 460 moves along with the fixed long plate 472, the moving plate 460 rotates through the corresponding swinging strip 463, so that the rotating strip 462 drives the other swinging strip 463 in the synchronous assembly, namely, the moving plate 460 adjacent to the rightmost moving plate 460 is mutually far away from the rightmost moving plate 460, and the limiting plate 461 drives the corresponding insulating sheath on the moving plate 460 through the mutual cooperation between all the synchronous assemblies, so that the transverse inward bending stretching degree of the cable insulating sheath can be controlled to change, and the insulating sheath can be conveniently simulated to be bent differently.
During specific operation, the cable insulation sheath to be detected is firstly placed on the opening plate 42 in the opening mechanism 4 manually, the driving block 362 is pressed downwards manually, the corresponding second spring 363 is stretched, so the matching block 364 is far away from the corresponding driving block 362 through the close fit between the driving block 362 and the corresponding matching block 364, the L-shaped plate 356 drives the corresponding clamping plate 357 to be far away from the alignment rod 354, then the alignment rod 354 is manually inserted into one end of the corresponding cable insulation sheath, the driving block 362 is stopped being pressed, the driving block 362 is enabled to be lifted and reset by the elastic force generated by stretching deformation of the second spring 363, the first spring 360 is arranged to enable the matching block 364 to be kept close to the driving plate, the matching block 364 drives the clamping plate 357 on the first spring to be close to the alignment rod 354 and the cable insulation sheath on the first spring, and the front clamping plate 357 and the rear clamping part 357 are matched with each other to clamp the cable insulation sheath, and the clamping parts 35 on the two lifting plates 34 clamp the corresponding cable insulation sheaths.
Then the first external motor works to drive the driving gear 371 to rotate forward through the gear shaft, in the rotating process, the right clamping part 35 clamps and fixes the right end of the cable insulation sheath, the left clamping part 35 drives the insulation sheath to rotate and enable the insulation sheath to be wound on the opening plate 42 in the opening mechanism 4, the second external motor works to drive the screw shaft 2 to rotate, so that the matching ring 43 moves right through threaded matching between the screw shaft 2 and the matching ring 43, and the corresponding opening plate 42 is opened by the corresponding four opening strips 44 in the right moving process of the matching ring 43, so that the insulation sheath is primarily opened by the four opening plates 42 in a matching manner, and the bending resistance performance of the cable insulation sheath is detected, so that whether the surface insulation layer of the cable insulation sheath is damaged is observed.
The U-shaped frame 11 is moved to the heating box 1, the external heating equipment in the heating box 1 does not work in the drawing, the area where the cable insulation sheath is located is taken as a heating area, the cable insulation sheath is heated to 150 ℃, then the U-shaped frame 11 is moved out, meanwhile, the external motor continues to work to drive the screw shaft 2 to rotate, so that all the expanding plates 42 are expanded again for a specified time, and the spacing between the limiting plates 461 is adjusted through the fixing groups 47 before heating, so that the transverse inward bending stretching degree of the cable insulation sheath can be controlled and changed, the bending conditions of the cable insulation sheath in different winding processes can be conveniently simulated, whether the cable insulation sheath is broken or damaged is observed manually, and the detection of the thermal shock of the cable insulation sheath is completed.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Furthermore, the terms "first," "second," "first," and "second" 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 defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The embodiments of the present application are all preferred embodiments of the present application, and are not limited in scope by the present application, so that all equivalent changes according to the structure, shape and principle of the present application are covered in the scope of the present application.