CN110985918B

CN110985918B - LED lamp strip

Info

Publication number: CN110985918B
Application number: CN201911331146.3A
Authority: CN
Inventors: 张金露
Original assignee: Zhejiang Wangchao Technology Co ltd
Current assignee: Shenzhen Zhongzhiya Lighting Co.,Ltd.
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2021-11-09
Anticipated expiration: 2039-12-20
Also published as: CN110985918A

Abstract

The invention discloses an LED lamp strip, and relates to the technical field of lighting equipment. This LED lamp area, including the lamp area body, the spout has all been seted up to both sides around the lamp area body, and sliding connection has self-propelled mechanism on the left end of lamp area body, and the right side at top is provided with paints the mechanism in the self-propelled mechanism, is provided with in the self-propelled mechanism and strikes off the mechanism, self-propelled mechanism includes sliding block, micro motor, pulley, magnetic stripe, driving motor, driving gear, driven gear, telescopic link. This LED lamp area, through self-propelled mechanism realize covering clean effect to the full scope in one section lamp area, compare in manual clear mode, more can improve the clean complete degree in lamp area, avoid the wine stain to form the solid-state dirt that is difficult to get rid of after remaining for a long time, cause the influence to the normal illumination in lamp area, self-propelled mechanism can realize paining the effect of sanitizer to the lamp area surface through paining the mechanism at the removal in-process simultaneously.

Description

LED lamp strip

Technical Field

The invention relates to the technical field of lighting equipment, in particular to an LED lamp belt.

Background

At present, LED lamps are generally divided into two types, namely flexible LED lamp strips and hard LED lamp strips. The flexible LED lamp strip is assembled by using FPC as an assembly circuit board and using surface mounted LEDs, so that the thickness of the product is only the thickness of one coin, the occupation of space is reduced, and the specification of the flexible LED lamp strip comprises 18 LEDs and 24 LEDs which are 30cm long, 15 LEDs, 24 LEDs, 30 LEDs and the like which are 50cm long, and also comprises 60cm, 80cm and the like. The flexible LED lamp strip is characterized in that the flexible LED lamp strip can be cut off at will or extended at will without influencing luminescence, and meanwhile, the FPC is soft in material and can be bent, folded and wound at will, so that patterns or characters in different shapes can be formed to play a display effect, and the flexible LED lamp strip is widely applied to industries such as furniture, automobiles, advertisements, ships, bars and the like.

Be applied to LED lamp area in the bar, because the particularity of bar business environment, action such as spilling wine often can exist, lead to the seat, article such as sofa and desk are stained with the wine stain, above-mentioned table chair sofa can use the rag to clean through sanitizer blending water when clearing up the wine stain, can not have great clean degree of difficulty, and LED lamp area is after being stained with the wine stain, if clean through the mode of artifical cleaning, then can consume a large amount of manpowers because its less width, need be the accuse application of force size simultaneously, avoid causing the damage to the lamp area when guaranteeing to clear away the wine stain.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the LED lamp strip, which is convenient to clean, effectively improves the cleaning efficiency and reduces the investment of manpower and time.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a LED lamp area, includes the lamp area body, the spout has all been seted up to both sides around the lamp area body, and sliding connection has self-propelled mechanism on the left end of lamp area body, and the right side at top is provided with paints the mechanism in the self-propelled mechanism, is provided with in the self-propelled mechanism and strikes off the mechanism.

Preferably, the self-propelled mechanism comprises a sliding block, two micro motors, two pulleys, two magnetic strips, a driving motor, a driving gear, two driven gears, two telescopic rods, a fixed rod, a reset spring, a lifting cylinder, two micro pumps and a guide pipe, the sliding block is slidably connected to the lamp strip body, the two micro motors are respectively and fixedly arranged on the front side and the rear side of the top in the sliding block, the output shafts of the two micro motors are opposite in rotation direction, the pulleys are sleeved on the output shafts of the two micro motors, the two magnetic strips are respectively bonded in the two sliding grooves, one opposite sides of the two pulleys are respectively and slidably connected with the two magnetic strips, the driving motor is fixedly arranged on the inner rear wall of the sliding block, the driving gear is sleeved on the output shaft of the driving motor, the left side and the right side of the driving gear are respectively engaged with the two driven gears, the number of the telescopic rods is two, and the stiff end of two telescopic links fixed connection respectively is in two driven gear's front, the middle part of telescopic link is through round pin axle swing joint in the sliding block, the right side fixedly connected with dead lever at top in the sliding block, and the cover is equipped with reset spring on the dead lever, a lift section of thick bamboo sliding connection is on the dead lever, reset spring's upper and lower both ends respectively with the interior top of sliding block and the top fixed connection of a lift section of thick bamboo, the flexible end of the telescopic link that is located the right side articulates in a lift section of thick bamboo's front, miniature pump fixed mounting is in the left side at top in the sliding block, and miniature pump's water inlet runs through the top of sliding block, miniature pump's delivery port is connected and is linked together with the one end of pipe.

Preferably, paint the mechanism and include elevator, sponge piece, hourglass net, brush hair, extrusion ball, connecting rod and fixed knee, elevator longitudinal sliding connects in the right side at top in the sliding block, and the sponge piece is placed in the elevator, and hourglass net inlays the dress in elevator and runs through the bottom of elevator, and a plurality of brush hair fixed connection that are array form equidistance and distribute in the bottom of leaking the net, a plurality of extrusion balls be the range form equidistance distribute and with the top laminating of sponge piece, the top fixedly connected with connecting rod of extrusion ball, and the top of connecting rod run through the elevator the top and with the bottom fixed connection of fixed knee, both ends all buckle downwards about fixed knee and with the interior bottom fixed connection of sliding block.

Preferably, the scraping mechanism comprises a transmission belt, a through hole, a steering shaft, a scraping piece, a moving rod, a guide sliding cylinder and a shovel blade, the right end of the driving belt is sleeved on an output shaft of the driving motor, the through hole is formed in the inner top of the sliding block and communicated with the inner cavity of the sliding block, the middle section of the lower half part of the driving belt penetrates through the bottom end of the through hole, two turning shafts form a group, two turning shafts in the same group are respectively and movably connected with the front side and the rear side of the inner wall of the sliding block, the two turning shafts in the same group are tightly contacted with the bent part of the transmission belt, a plurality of groups of scraping pieces which are distributed in a row shape at equal intervals are fixedly connected on the outer surface of the transmission belt, and strike off seven one set ofly, the flexible end that is located left telescopic link is articulated with the top of carriage release lever, leads smooth section of thick bamboo fixed connection at the left wall of opening, and the carriage release lever is vertical sliding connection in leading smooth section of thick bamboo, and shovel piece fixed connection is in the bottom of carriage release lever.

Preferably, strike off the piece including buckling piece, oblique piece, fixed rope and couple, buckle piece fixed connection at the surface of drive belt, the quantity of oblique piece is two, and two oblique pieces are symmetry form fixed connection both sides around buckling piece bottom respectively, both ends respectively with buckle piece inner wall both sides fixed connection around fixed rope, a plurality of couples are row form equidistance suit on fixed rope.

Preferably, the left side of drive belt left end is provided with the piece of supporting, and the rear side sliding connection of sliding block inner chamber bottom has the bearing piece, and the back of bearing piece runs through the back of sliding block, and the below of bearing piece is provided with the magnetic sheet, and the magnetic sheet inlays the dress in the sliding block.

Preferably, the conflict piece includes fixed strip and conflict soft block, both sides are respectively with the front and back both sides fixed connection of sliding block intracavity wall around the fixed strip, and a plurality of conflict soft blocks are row form equidistance and distribute on the right side of fixed strip.

The invention provides an LED lamp strip. The method has the following beneficial effects:

(1) this LED lamp area, realize the clean effect of the whole scope coverage in one section lamp area through self-propelled mechanism, compare in manual clear mode, more can improve the clean complete degree in lamp area, avoid the wine stain to remain for a long time the back and form the solid-state dirt that is difficult to get rid of, cause the influence to the normal illumination in lamp area, self-propelled mechanism can realize the effect of paining the sanitizer to the lamp area surface through paining the mechanism at the removal in-process simultaneously, and accomplish the even paining of lamp area surface cleaner at the in-process that lasts the removal, make the wine stain soften the clearance of being convenient for gradually.

(2) This LED lamp area, based on the setting of scraping mechanism on the self-propelled mechanism, can accomplish the work back of paining of sanitizer at self-propelled mechanism, strike off the wine stain after the lamp area surface softens, at the in-process of scraping off the wine stain, can solidify debris or the piece attached to lamp area surface through the wine stain equally and collect, in-process in collecting the rubbish bag with solid-state wine stain and impurity through scraping off the piece, can repeat regularly clear up scraping off a surface, prevent to scrape off that the condition that influences its to lamp area surface cleaning effect appears after a surperficial long-pending more wine stain.

(3) This LED lamp area, operation mode based on self-propelled mechanism, paint work and carry out the during operation of striking off the wine stain in accomplishing the sanitizer, can use the clear water to wipe lamp area part after striking off the wine stain through paining the mechanism, and then fully ensure the clean effect to the lamp area, simultaneously can not remain too much moisture on lamp area surface at the in-process of wiping the clear water, make it can normally dry under the condition of indoor normal ventilation, self-propelled mechanism and striking off mechanism matched with cleaning mode make the cleaning work in one section lamp area only need a function cycle can all be accomplished, and then fully improved the cleaning efficiency to the lamp area, resource consumption has been saved simultaneously.

Drawings

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

FIG. 2 is a cross-sectional view taken at A-A of the present invention;

FIG. 3 is a front cross-sectional view of the self-propelled mechanism of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

fig. 6 is a left side view of the scraper member of the present invention;

fig. 7 is a right side view of the contact of the present invention.

In the figure: 1 lamp belt body, 2 chutes, 3 self-propelled mechanism, 4 smearing mechanism, 5 scraping mechanism, 301 sliding block, 302 micro motor, 303 pulley, 304 magnetic stripe, 305 driving motor, 306 driving gear, 307 driven gear, 308 telescopic rod, 309 fixed rod, 310 reset spring, 311 lifting cylinder, 312 micro water pump, 313 conduit, 41 lifting block, 42 sponge block, 43 screen, 44 brush hair, 45 extrusion ball, 46 connecting rod, 47 fixed bent rod, 51 driving belt, 52 through hole, 53 steering shaft, 54 contact piece scraping piece, 55 moving rod, 56 guide sliding cylinder, 57 shovel piece 541, bent piece, 542 inclined piece, 543 fixed rope, 544 hook, 6 abutting piece, 7 bearing piece, 8, 61 fixed strip, 62 abutting soft piece.

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.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a LED lamp area, includes lamp area body 1, and spout 2 has all been seted up to both sides around the lamp area body 1, and sliding connection has self-propelled mechanism 3 on the left end of lamp area body 1, and the right side at top is provided with paints mechanism 4 in the self-propelled mechanism 3, is provided with in the self-propelled mechanism 3 and strikes off mechanism 5.

The self-propelled mechanism 3 comprises a sliding block 301, micro motors 302, pulleys 303, magnetic strips 304, driving motors 305, driving gears 306, driven gears 307, telescopic rods 308, a fixing rod 309, a reset spring 310, a lifting cylinder 311, a micro water pump 312 and a guide pipe 313, wherein the sliding block 301 is connected to the lamp strip body 1 in a sliding manner, the number of the micro motors 302 is two, the two micro motors 302 are respectively and fixedly arranged on the front side and the rear side of the inner top of the sliding block 301, the directions of output shafts of the two micro motors 302 are opposite, the pulleys 303 are respectively sleeved on the output shafts of the two micro motors 302, the number of the magnetic strips 304 is two, the two magnetic strips 304 are respectively bonded in the two sliding grooves 2, the opposite sides of the two pulleys 303 are respectively and slidably connected with the two magnetic strips 304, the driving motors 305 are fixedly arranged on the inner rear wall of the sliding block 301, and the driving gears 306 are sleeved on the output shafts of the driving motors 305, the left side and the right side of the driving gear 306 are respectively engaged with two driven gears 307, the number of the telescopic rods 308 is two, the fixed ends of the two telescopic rods 308 are respectively and fixedly connected with the front sides of the two driven gears 307, the middle parts of the telescopic rods 308 are movably connected in the sliding block 301 through pin shafts, the right side of the top part in the sliding block 301 is fixedly connected with a fixed rod 309, and the fixing rod 309 is sleeved with a return spring 310, the lifting cylinder 311 is slidably connected to the fixing rod 309, the upper and lower ends of the return spring 310 are respectively fixedly connected with the inner top of the sliding block 301 and the top end of the lifting cylinder 311, the telescopic end of the telescopic rod 308 positioned on the right side is hinged on the front side of the lifting cylinder 311, the micro water pump 312 is fixedly installed on the left side of the inner top of the sliding block 301, and the water inlet of the micro water pump 312 penetrates the top of the sliding block 301, and the water outlet of the micro water pump 312 is connected and communicated with one end of the conduit 313.

Smearing mechanism 4 includes elevator 41, sponge block 42, leak net 43, brush hair 44, extrusion ball 45, connecting rod 46 and fixed knee 47, elevator 41 longitudinal sliding connection is in the right side at top in slider 301, sponge block 42 is placed in elevator 41, leak net 43 inlays the interior bottom at elevator 41 and runs through elevator 41's bottom, a plurality of brush hair 44 fixed connection that are array form equidistance and distribute in leaking net 43's bottom, a plurality of extrusion balls 45 are the row form equidistance and laminate with sponge block 42's top, extrusion ball 45's top fixedly connected with connecting rod 46, and connecting rod 46's top run through elevator 41's top and with fixed knee 47's bottom fixed connection, fixed knee 47's the left and right sides both ends all buckle downwards and with the interior bottom fixed connection of slider 301.

The scraping mechanism 5 comprises a transmission belt 51, a through hole 52, a turning shaft 53, a scraping piece 54, a movable rod 55, a guide sliding cylinder 56 and a shovel sheet 57, the right end of the transmission belt 51 is sleeved on an output shaft of a driving motor 305, the through hole 52 is arranged at the inner top of a sliding block 301 and is communicated with an inner cavity of the sliding block 301, the middle section of the lower half part of the transmission belt 51 penetrates through the bottom end of the through hole 52, two turning shafts 53 form a group, the two turning shafts 53 in the same group are respectively and movably connected to the front side and the rear side of the inner wall of the sliding block 301, the two turning shafts 53 in the same group are in close contact with the bent part of the transmission belt 51, a plurality of groups of scraping pieces 54 which are distributed in a row shape at equal intervals are fixedly connected to the outer surface of the transmission belt 51, seven scraping pieces 54 form a group, the telescopic end of a telescopic rod 308 positioned on the left side is hinged to the top end of the movable rod 55, the guide sliding cylinder 56 is fixedly connected to the left wall of the through hole 52, the movable rod 55 is longitudinally and slidably connected in the guide sliding cylinder 56, a blade 57 is fixedly attached to the bottom end of the travel bar 55.

The scraping element 54 includes two bending pieces 541, two inclined pieces 542, a fixing rope 543 and hooks 544, the bending pieces 541 are fixedly connected to the outer surface of the transmission belt 51, the two inclined pieces 542 are symmetrically and fixedly connected to the front and rear sides of the bottom of the bending pieces 541, the front and rear ends of the fixing rope 543 are fixedly connected to the front and rear sides of the inner wall of the bending pieces 541, and the hooks 544 are arranged in a row and are equidistantly sleeved on the fixing rope 543.

The left side of drive belt 51 left end is provided with support piece 6, the rear side sliding connection of sliding block 301 inner chamber bottom has bearing piece 7, and the back of bearing piece 7 runs through sliding block 301's back, the below of bearing piece 7 is provided with magnetic sheet 8, and magnetic sheet 8 inlays the dress in sliding block 301, support piece 6 includes fixed strip 61 and conflict soft piece 62, both sides respectively with the front and back both sides fixed connection of sliding block 301 inner chamber inner wall around fixed strip 61, a plurality of conflict soft pieces 62 are row form equidistance and distribute on the right side of fixed strip 61.

When the cleaning lamp is used, one end of a water pipe is connected with a water inlet of a micro water pump 312, the other end of the water pipe is inserted into a vessel filled with a cleaning agent, the lifting block 41 drives the bristles 44 to be contacted with the lamp strip body 1 under the elastic force of a return spring 310, a micro motor 302 operates to drive the pulley 303 to rotate and move along the magnetic strip 304, so as to drive the sliding block 301 to slide on the lamp strip body 1, an output shaft of a driving motor 305 rotates anticlockwise, a driving gear 306 is meshed with a driven gear 307, so that the driven gear 307 drives a telescopic rod 308 to rotate, further the lifting cylinder 311 is pushed to move downwards along a fixed rod 309, the lifting cylinder 311 intermittently moves upwards and downwards through the tooth surface of the driving gear 306, the cleaning agent is guided into the lifting block 41 through a guide pipe 313 through the operation of the micro water pump 312 and is absorbed by a sponge block 42, the lifting block 41 drives the sponge block 42 to be contacted with an extrusion ball 45 in the moving process, so that the cleaning agent is extruded out of a foam shape and leaks through a leakage net 43, so that the cleaning agent is smeared on the surface of the lamp strip body 1 through the brush bristles 44, the micro motor 302 stops working after smearing is completed, the micro motor 302 on the other side starts working and drives the sliding block 301 to reset, the output shaft of the driving motor 305 rotates reversely in the resetting process, so that the left telescopic rod 308 moves downwards under the driven gear 307, thereby pushing the moving rod 55 to move along the slide guiding cylinder 56, further, the shoveling piece 57 contacts with the solid wine stains and scrapes the solid wine stains, meanwhile, the transmission belt 51 is driven by the driving motor 305 to operate in cooperation with the turning shaft 53, the inclined piece 542 contacts with the shoveling piece 57 in the moving process of the scraping piece 54, the solid wine stains on the shoveling piece 57 are scraped and carried by the hook 544 to move into the sliding block 301, when the scraping piece 54 carrying the wine stains moves to the left end of the transmission belt 51, the hook 544 is abutted against the abutting soft block 62 and is scraped with wine stains, the wine stains fall into the bearing sheet 7, and collected impurities are taken out and cleaned in a mode of pulling out the bearing sheet 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a LED lamp area, includes lamp area body (1), its characterized in that: the front side and the rear side of the lamp strip body (1) are both provided with sliding grooves (2), the left end of the lamp strip body (1) is connected with a self-walking mechanism (3) in a sliding manner, the right side of the inner top of the self-walking mechanism (3) is provided with a smearing mechanism (4), and a scraping mechanism (5) is arranged in the self-walking mechanism (3); the self-propelled mechanism (3) comprises a sliding block (301), two micro motors (302), pulleys (303), magnetic stripes (304), a driving motor (305), a driving gear (306), a driven gear (307), an expansion rod (308), a fixing rod (309), a reset spring (310), a lifting cylinder (311), a micro water pump (312) and a conduit (313), wherein the sliding block (301) is connected to the lamp strip body (1) in a sliding manner, the number of the micro motors (302) is two, the two micro motors (302) are respectively and fixedly arranged on the front side and the rear side of the inner top of the sliding block (301), the output shafts of the two micro motors (302) are opposite in rotation direction, the pulleys (303) are respectively sleeved on the output shafts of the two micro motors (302), the number of the magnetic stripes (304) is two, the two magnetic stripes (304) are respectively bonded in the two sliding grooves (2), one opposite sides of the two pulleys (303) are respectively connected with the two magnetic stripes (304) in a sliding manner, the driving motor (305) is fixedly installed on the inner rear wall of the sliding block (301), the driving gear (306) is sleeved on an output shaft of the driving motor (305), the left side and the right side of the driving gear (306) are respectively engaged with the two driven gears (307), the number of the telescopic rods (308) is two, the fixed ends of the two telescopic rods (308) are respectively and fixedly connected with the front surfaces of the two driven gears (307), the middle parts of the telescopic rods (308) are movably connected into the sliding block (301) through pin shafts, the right side of the inner top of the sliding block (301) is fixedly connected with a fixed rod (309), the fixed rod (309) is sleeved with a reset spring (310), the lifting cylinder (311) is slidably connected onto the fixed rod (309), the upper end and the lower end of the reset spring (310) are respectively and fixedly connected with the inner top of the sliding block (301) and the top end of the lifting cylinder (311), the telescopic end of the telescopic rod (308) on the right side is hinged to the front surface of the lifting cylinder (311), the miniature water pump (312) is fixedly installed on the left side of the inner top of the sliding block (301), a water inlet of the miniature water pump (312) penetrates through the top of the sliding block (301), and a water outlet of the miniature water pump (312) is connected and communicated with one end of the guide pipe (313).

2. A LED strip according to claim 1, wherein: the smearing mechanism (4) comprises a lifting block (41), a sponge block (42), a perforated net (43), brush hairs (44), an extrusion ball (45), a connecting rod (46) and a fixed bent rod (47), the lifting block (41) is longitudinally connected in the right side of the inner top of the sliding block (301) in a sliding mode, the sponge block (42) is placed in the lifting block (41), the leakage net (43) is embedded at the inner bottom of the lifting block (41) and penetrates through the bottom of the lifting block (41), a plurality of bristles (44) distributed in an array shape at equal intervals are fixedly connected to the bottom of the leakage net (43), a plurality of extrusion balls (45) are distributed in a row shape at equal intervals and are attached to the top of the sponge block (42), the top of each extrusion ball (45) is fixedly connected with a connecting rod (46), and the top of the connecting rod (46) penetrates through the top of the lifting block (41) and is fixedly connected with the bottom of the fixed bent rod (47), and the left end and the right end of the fixed bent rod (47) are bent downwards and are fixedly connected with the inner bottom of the sliding block (301).

3. A LED strip according to claim 1, wherein: the scraping mechanism (5) comprises a transmission belt (51), a through hole (52), a turning shaft (53), scraping pieces (54), a moving rod (55), a guide sliding barrel (56) and a shovel piece (57), the right end of the transmission belt (51) is sleeved on an output shaft of a driving motor (305), the through hole (52) is formed in the inner top of the sliding block (301) and communicated with an inner cavity of the sliding block (301), the middle section of the lower half part of the transmission belt (51) penetrates through the bottom end of the through hole (52), two turning shafts (53) are in a group, the two turning shafts (53) in the same group are respectively movably connected to the front side and the rear side of the inner wall of the sliding block (301), the two turning shafts (53) in the same group are in close contact with the bent part of the transmission belt (51), the scraping pieces (54) which are distributed in a row shape at equal intervals are fixedly connected to the outer surface of the transmission belt (51), and seven scraping pieces (54) are in a group, the telescopic end of the telescopic rod (308) positioned on the left side is hinged with the top end of the moving rod (55), the guide sliding cylinder (56) is fixedly connected to the left wall of the through hole (52), the moving rod (55) is longitudinally connected into the guide sliding cylinder (56) in a sliding mode, and the shovel blade (57) is fixedly connected to the bottom end of the moving rod (55).

4. A LED strip according to claim 3, wherein: scraping piece (54) including buckling piece (541), oblique piece (542), fixed rope (543) and couple (544), buckling piece (541) fixed connection is in the surface of drive belt (51), and the quantity of oblique piece (542) is two, and two oblique pieces (542) are the both sides around the symmetry form fixed connection respectively in buckling piece (541) bottom, both ends respectively with the both sides fixed connection around buckling piece (541) inner wall around fixed rope (543), a plurality of couples (544) are row form equidistance suit on fixed rope (543).

5. A LED strip according to claim 3, wherein: the left side of drive belt (51) left end is provided with and supports piece (6), and the rear side sliding connection of sliding block (301) inner chamber bottom has bearing piece (7), and the back of bearing piece (7) runs through the back of sliding block (301), and the below of bearing piece (7) is provided with magnetic sheet (8), and magnetic sheet (8) inlay and adorn in sliding block (301).

6. A LED strip according to claim 5, wherein: the supporting part (6) comprises a fixing strip (61) and supporting soft blocks (62), the front side and the rear side of the fixing strip (61) are fixedly connected with the front side and the rear side of the inner cavity wall of the sliding block (301), and the supporting soft blocks (62) are distributed on the right side of the fixing strip (61) in a row shape at equal intervals.