CN209680696U - A kind of cleaning device being convenient to clean chemical experimental instrument - Google Patents

A kind of cleaning device being convenient to clean chemical experimental instrument Download PDF

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Publication number
CN209680696U
CN209680696U CN201920206971.XU CN201920206971U CN209680696U CN 209680696 U CN209680696 U CN 209680696U CN 201920206971 U CN201920206971 U CN 201920206971U CN 209680696 U CN209680696 U CN 209680696U
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CN
China
Prior art keywords
clamp rail
gauge
kelly
snap
slide bar
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Expired - Fee Related
Application number
CN201920206971.XU
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Chinese (zh)
Inventor
胡艺嘉
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Individual
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Individual
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Priority to CN201920206971.XU priority Critical patent/CN209680696U/en
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Publication of CN209680696U publication Critical patent/CN209680696U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of cleaning devices for being convenient to clean chemical experimental instrument, including top frame, upper clamp rail, support rod, lower clamp rail, connecting rod, first kelly, first slide bar, second kelly and the second slide bar are constituted, four edges of the top frame are equipped with support rod, and front and rear sides are symmetrically arranged with clamp rail in a pair immediately below top frame, it is aligned immediately below the upper clamp rail at upper clamp rail position and is equipped with lower clamp rail, it is aligned immediately below at left and right sides of the top frame at upper clamp rail and lower clamp rail position and is equipped with connecting rod, the first kelly and the second kelly are connected separately at left and right sides of the upper clamp rail, the first slide bar and the second slide bar are connected separately at left and right sides of the lower clamp rail, the utility model solves to be easy when existing rack for cleaning places excessive test tube so that test tube is broken, effectively invisible spectro Fouling Cleaning cannot be fallen simultaneously, by right The rack for cleaning structure of supersonic wave cleaning machine is improved and is optimized, and rack for cleaning is more suitable for cleaning test tube.

Description

A kind of cleaning device being convenient to clean chemical experimental instrument
Technical field
The utility model relates to chemical apparatuses rack for cleaning technical field, specially a kind of chemical experimental instrument that is convenient to clean Cleaning device.
Background technique
Laboratory chemical instrument needs to clear up chemical experimental instrument after testing, and general chemical experimental instrument is more For test tube and beaker, Multipurpose brush is scrubbed after experiment, but some experiments will lead to fouling on test tube interior, cause General hairbrush can not clean, and at this moment just need to be cleaned using supersonic wave cleaning machine, but existing supersonic wave cleaning machine into It occur the problem that when row cleaning test tube and supersonic wave cleaning machine be all generally placed on by rack for cleaning inside supersonic wave cleaning machine It is interior, but when existing rack for cleaning places excessive test tube, is easy so that test tube is broken, while cannot be effectively by invisible spectro dirt Dirt washes, it is also necessary to which taking out is brushed one times again with hairbrush and can be cleaned, so that test tube cleaning efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of cleaning devices for being convenient to clean chemical experimental instrument, it is intended to improve super It is generally all placed in supersonic wave cleaning machine by rack for cleaning inside sound wave cleaning machine, but existing rack for cleaning places excessive examination It is easy when pipe so that test tube is broken, while cannot effectively fall invisible spectro Fouling Cleaning, it is also necessary to take out and use hairbrush Brushing one times again can clean, so that the problem that test tube cleaning efficiency is low.
The utility model is realized in this way:
A kind of cleaning device being convenient to clean chemical experimental instrument, including top frame, upper clamp rail, support rod, lower clamp rail, connection Bar, the first kelly, the first slide bar, the second kelly and the second slide bar are constituted, and four edges of top frame are equipped with support rod, and push up Front and rear sides are symmetrically arranged with clamp rail in a pair immediately below frame, are aligned at upper clamp rail position immediately below upper clamp rail and are equipped with lower clamp rail, top It is aligned immediately below at left and right sides of frame at upper clamp rail and lower clamp rail position and is equipped with connecting rod, be connected separately at left and right sides of upper clamp rail First kelly and the second kelly, are connected separately with the first slide bar and the second slide bar at left and right sides of lower clamp rail, and upper clamp rail is by first Snap-gauge and the first lower snap-gauge are constituted, there are certain difference in height between snap-gauge and the first lower snap-gauge on first, and snap-gauge on first A Middle face opposite with the first lower snap-gauge is transversely provided with slideway, and lower clamp rail is made of snap-gauge on second and the second lower snap-gauge, There are certain differences in height between snap-gauge and the second lower snap-gauge on second, and snap-gauge and the second opposite one side of lower snap-gauge on second Middle part is transversely provided with slideway.
Further, two handles are symmetrically arranged at left and right sides of top frame upper surface, supporting bar top and top frame lower surface are solid Fixed connection, and bottom end is lower than lower clamp rail bottom surface;Handle is also convenient for convenient for placing rack for cleaning in supersonic wave cleaning machine in reality Rack for cleaning is lifted after testing instrument clean, support rod bottom end avoids lower clamp rail and ultrasonic wave when being lower than lower clamp rail bottom surface Cleaning machine directly contacts.
Further, the first kelly both ends are aligned at the slipway location of upper clamp rail and are equipped with slide head, and the thickness of the first kelly The difference in height on less than first between snap-gauge and the first lower snap-gauge is spent, the first kelly is by the first right jamming rod and the first left jamming rod structure At alignment is equipped with continuous threaded hole in the middle part of the first right jamming rod and the first left jamming rod, and is connected with the first tightening spiral shell in threaded hole Bolt, the first right jamming rod and the first left jamming rod are symmetrically arranged with two pairs of card slots along the first tightening bolt two sides;First right jamming rod and first Left jamming rod convenient for being clamped to test tube, convenient for when being cleaned to test tube test tube can settling position do not move, receive Tight bolt facilitates the test tube of clamping different radii convenient for adjusting the distance between the first right jamming rod and the first left jamming rod, card Slot is convenient for the clamping stable to test tube.
Further, the first slide bar both ends are aligned at the slipway location of lower clamp rail and are equipped with slide head, and the thickness of the first slide bar The difference in height on less than second between snap-gauge and the second lower snap-gauge is spent, the first slide bar is equipped with the first hairbrush, and the first hairbrush top The height at end is higher than the first kelly, is equipped with the first brush holder support in the middle part of the first hairbrush, the first brush holder support bottom end pass through the first slide bar and with The motor of first slide bar bottom is attached;First hairbrush is convenient for can be to test tube while carrying out ultrasonic cleaning to test tube Internal dirt is scrubbed, and motor is convenient for driving the rotation of the first hairbrush, so that the first hairbrush can be rotated in test tube The dirt of wall is cleaned.
Further, the second kelly both ends are aligned at the slipway location of upper clamp rail and are equipped with slide head, and the thickness of the second kelly The difference in height on less than first between snap-gauge and the first lower snap-gauge is spent, the second kelly is by the second right jamming rod and the second left jamming rod structure At alignment is equipped with continuous threaded hole in the middle part of the second right jamming rod and the second left jamming rod, and is connected with the second tightening spiral shell in threaded hole Bolt, the second right jamming rod and the second left jamming rod are symmetrically arranged with four pairs of card slots along the second tightening bolt two sides;Second right jamming rod and second Left jamming rod adjusts the second right jamming rod and the second left card by the second tightening bolt convenient for clamping to small-bore test tube The distance between bar, and then facilitate the test tube for clamping different bores, while card slot clamps test tube convenient for stablizing.
Further, the second slide bar both ends are aligned at the slipway location of lower clamp rail and are equipped with slide head, and the thickness of the second slide bar The difference in height on less than second between snap-gauge and the second lower snap-gauge is spent, the second slide bar is equipped with the second hairbrush, and the second hairbrush top The height at end is higher than the second kelly, is equipped with the second brush holder support in the middle part of the second hairbrush, the second brush holder support bottom end pass through the second slide bar and with The motor of second slide bar bottom is attached, the radius of the radius of the second hairbrush less than the first hairbrush;Second slide bar is convenient for matching Second kelly is carried out using convenient for cleaning to the test tube on the second kelly, the second hairbrush is convenient for the examination on the second kelly Inside pipe wall is scrubbed, and motor is convenient for driving the second hairbrush to be rotated, the radius of the radius of the second hairbrush less than the first hairbrush It is easy for the test tube of cleaning different inner diameters.
The test tube bore determination first cleaned as needed when use is the first hairbrush of selection or the second hairbrush, determines choosing It passes through test tube is opening down in the middle part of the first kelly or the second kelly and covers in the first hairbrush or second mao after the hairbrush selected Paint, then by the second tightening bolt or the second tightening bolt shorten the distance between the first kelly or the second kelly into And clamping test tube, supersonic wave cleaning machine and motor, which are then connect electricity, to clean test tube, and handle is held after use Rack for cleaning is proposed, then disassemble test tube, structure is simple, and it is easy to use, and convenient for operation
Compared with prior art, the utility model has the beneficial effects that the utility model passes through to supersonic wave cleaning machine Rack for cleaning structure is improved and is optimized, and rack for cleaning is more suitable for cleaning test tube, can be clear to test tube progress ultrasonic wave Also inboard wall of test tube to be scrubbed while washing, cleaning efficiency is high, and cleaning rate is fast, and it is easy to use, it can be effectively to examination The dirt of inside pipe wall is purged, and is avoided cleaning test tube trouble, is influenced test tube cleaning efficiency.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the whole structural schematic diagram under the depression angle of front of the utility model embodiment;
Fig. 2 is the whole structural schematic diagram under the upward view angle of front of the utility model embodiment;
Fig. 3 is the whole structural schematic diagram under overhead view angle of the utility model embodiment;
Fig. 4 is that the utility model embodiment integrally removes fore depression angle flowering structure after the first hairbrush and the second hairbrush Schematic diagram;
Fig. 5 is that the utility model embodiment integrally removes fore upward view angle flowering structure after the first hairbrush and the second hairbrush Schematic diagram;
In figure: 1- top frame;11- handle;The upper clamp rail of 2-;Snap-gauge on 21- first;The lower snap-gauge of 22- first;3- support rod;4- Lower clamp rail;Snap-gauge on 41- second;The lower snap-gauge of 42- second;5- connecting rod;The first kelly of 6-;The first right jamming rod of 61-;62- first Left jamming rod;The first tightening bolt of 63-;The first slide bar of 7-;The first hairbrush of 71-;The first brush holder support of 711-;712- motor;8- second blocks Bar;The second right jamming rod of 81-;The second right jamming rod of 82-;The second tightening bolt of 83-;The second slide bar of 9-;The second hairbrush of 91-;911- Two brush holder supports.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
Embodiment: shown in referring to Fig.1: a kind of cleaning device being convenient to clean chemical experimental instrument, including top frame 1, upper card Rail 2, support rod 3, lower clamp rail 4, connecting rod 5, the first kelly 6, the first slide bar 7, the second kelly 8 and the second slide bar 9 are constituted;Top frame 1 four edges are equipped with support rod 3, and 1 underface front and rear sides of top frame are symmetrically arranged with clamp rail 2 in a pair, upper clamp rail 2 just under Side, which is aligned at upper 2 position of clamp rail, is equipped with lower clamp rail 4, and top frame is aligned at upper clamp rail 2 and lower 4 position of clamp rail immediately below 1 left and right sides It is equipped with connecting rod 5, the first kelly 6 and the second kelly 8 are connected separately at left and right sides of upper clamp rail 2, is divided at left and right sides of lower clamp rail 4 It is not connected with the first slide bar 7 and the second slide bar 9;Top frame 1 facilitates, and entire rack for cleaning upper end position is fixed, and upper clamp rail 2 is just In cooperating the first kelly 6 and the second kelly 8 to be moved left and right, convenient for the use of the first kelly 6 and the second kelly 8, support rod 3 Convenient for top frame 1, upper clamp rail 2, lower clamp rail 4 link together, an entirety is formed convenient for it, lower clamp rail 4 is sliding convenient for first Bar 7 and the second slide bar 9 match convenient for the first slide bar 7 and the second slide bar 9 to move and close clamp rail 2 and the use of lower clamp rail 4;This The rack for cleaning of kind structure makes rack for cleaning be more suitable for cleaning test tube, can be while carrying out ultrasonic cleaning to test tube Also inboard wall of test tube to be scrubbed, cleaning efficiency is high, and cleaning rate is fast, and it is easy to use, it can be effectively to inboard wall of test tube Dirt is purged, and avoids cleaning test tube trouble, influences test tube cleaning effect.
Referring to Fig.1, shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5: being symmetrically arranged with two handles 11 at left and right sides of 1 upper surface of top frame, prop up 3 top of strut is fixedly connected with 1 lower surface of top frame, and bottom end is lower than lower 4 bottom surface of clamp rail;Handle 11 is convenient in supersonic wave cleaning machine Interior placement rack for cleaning, while being also convenient for lifting rack for cleaning after laboratory apparatus cleans, under 3 bottom end of support rod is lower than Lower clamp rail 4 is avoided directly to contact when 4 bottom surface of clamp rail with supersonic wave cleaning machine;Upper clamp rail 2 is by snap-gauge 21 on first and the first lower card Plate 22 is constituted, and there are certain differences in height between snap-gauge 21 and the first lower snap-gauge 22 on first, and snap-gauge 21 and first on first The opposite Middle face of lower snap-gauge 22 is transversely provided with slideway;Snap-gauge 21 and the first lower snap-gauge 22 are primarily to facilitate the on first One kelly 6 and the second kelly 8 are stuck among it, while slideway is also convenient for the first kelly 6 and the second kelly 8 moves back and forth;Lower card Rail 4 is made of snap-gauge 41 on second and the second lower snap-gauge 42, is existed between snap-gauge 41 and the second lower snap-gauge 42 on second certain Difference in height, and the opposite Middle face of snap-gauge 42 is transversely provided with slideway under snap-gauge 41 and second on second;Snap-gauge 41 on second Move back and forth with when the second lower snap-gauge 42 convenient for the first slide bar 7 and the second slide bar 9, and then facilitates the first slide bar 7 and the second slide bar 9 the first kellies 6 of cooperation and the second kelly 8 are carried out using convenient to clear up test tube;First kelly, 6 both ends are aligned upper clamp rail 2 Slipway location at be equipped with slide head, and the thickness of the first kelly 6 less than first between snap-gauge 21 and the first lower snap-gauge 22 Difference in height, the first kelly 6 are made of the first right jamming rod 61 and the first left jamming rod 62, in the first right jamming rod 61 and the first left jamming rod 62 Portion's alignment is equipped with continuous threaded hole, and the first tightening bolt 63 is connected in threaded hole, and the first right jamming rod 61 and first is left Kelly 62 is symmetrically arranged with two pairs of card slots along 63 two sides of the first tightening bolt;First right jamming rod 61 and the first left jamming rod 62 convenient for pair Test tube is clamped, convenient for when being cleaned to test tube test tube can settling position do not move, tightening bolt convenient for adjust Save the distance between the first right jamming rod 61 and the first left jamming rod 62, so facilitate clamping different radii test tube, card slot convenient for pair The stable clamping of test tube;First slide bar, 7 both ends are aligned at the slipway location of lower clamp rail 4 and are equipped with slide head, and the thickness of the first slide bar 7 The difference in height on less than second between snap-gauge 41 and the second lower snap-gauge 42 is spent, the first slide bar 7 is equipped with the first hairbrush 71, and first The height on 71 top of hairbrush is higher than the first kelly 6, is equipped with the first brush holder support 711 in the middle part of the first hairbrush 71,711 bottom end of the first brush holder support is worn It crosses the first slide bar 7 and is attached with the motor 712 of 7 bottom of the first slide bar;First hairbrush 71 is convenient for surpassing to test tube Sound wave can scrub the dirt of test tube interior while cleaning, and motor 712 is convenient for driving the rotation of the first hairbrush 71, in turn First hairbrush 71 is rotated to clean the dirt of inboard wall of test tube;Second kelly, 8 both ends are aligned the slideway of upper clamp rail 2 Be equipped with slide head at position, and the thickness of the second kelly 8 less than first on difference in height between snap-gauge 21 and the first lower snap-gauge 22, Second kelly 8 is made of the second right jamming rod 8281 and the second left jamming rod, alignment in the middle part of the second right jamming rod 8281 and the second left jamming rod The second tightening bolt 83, the second right jamming rod 8281 and the second left jamming rod edge are connected with equipped with continuous threaded hole, and in threaded hole Second tightening bolt, 83 two sides are symmetrically arranged with four pairs of card slots;Second right jamming rod 8281 and the second left jamming rod are convenient for small-bore examination Pipe is clamped, while adjusting the distance between the second right jamming rod 8281 and the second left jamming rod by the second tightening bolt 83, into And facilitate the test tube for clamping different bores, while card slot clamps test tube convenient for stablizing;Second slide bar, 9 both ends are aligned lower clamp rail 4 Be equipped with slide head at slipway location, and the thickness of the second slide bar 9 less than second on height between snap-gauge 41 and the second lower snap-gauge 42 It is poor to spend, and the second slide bar 9 is equipped with the second hairbrush 91, and the height on 91 top of the second hairbrush is higher than the second kelly 8, the second hairbrush 91 Middle part is equipped with the second brush holder support 911, and 911 bottom end of the second brush holder support passes through the second slide bar 9 and the motor 712 with 9 bottom of the second slide bar It is attached, the radius of the radius of the second hairbrush 91 less than the first hairbrush 71;Second slide bar 9 carries out convenient for the second kelly 8 of matching Use, convenient for being cleaned to the test tube on the second kelly 8, the second hairbrush 91 be convenient for the inboard wall of test tube on the second kelly 8 into Row scrub, motor 712 is convenient for driving the second hairbrush 91 to be rotated, half of radius less than the first hairbrush 71 of the second hairbrush 91 Diameter is easy for the test tube of cleaning different inner diameters;
Working principle: the test tube bore determination first cleaned as needed when use is the first hairbrush 71 of selection or second mao Brush 91 determines and passes through test tube is opening down the first kelly 6 or 8 middle part of the second kelly and cover first after the hairbrush of selection Then hairbrush 71 perhaps shortens the first kelly 6 by the second tightening bolt 83 or the second tightening bolt 83 on the second hairbrush 91 Or second the distance between kelly 8 and then clamping test tube, supersonic wave cleaning machine and motor 712 are then connect electricity can be to test tube It is cleaned, handle 11 is held after use, rack for cleaning being proposed to, then disassemble test tube, structure is simple, makes With convenient, and convenient for operation.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of cleaning device for being convenient to clean chemical experimental instrument, including top frame (1), upper clamp rail (2), support rod (3), lower card Rail (4), connecting rod (5), the first kelly (6), the first slide bar (7), the second kelly (8) and the second slide bar (9) are constituted, and feature exists In: four edges of the top frame (1) are equipped with support rod (3), and front and rear sides are symmetrically arranged with a pair immediately below top frame (1) Upper clamp rail (2), upper clamp rail (2) underface, which is aligned at upper clamp rail (2) position, is equipped with lower clamp rail (4), top frame (1) left and right It is aligned at upper clamp rail (2) and lower clamp rail (4) position and is equipped with connecting rod (5) immediately below two sides, at left and right sides of the upper clamp rail (2) It is connected separately with the first kelly (6) and the second kelly (8), is connected separately with the first slide bar (7) at left and right sides of the lower clamp rail (4) With the second slide bar (9), the upper clamp rail (2) is made of snap-gauge (21) on first and first lower snap-gauge (22), blocks on described first There are certain differences in height between plate (21) and first lower snap-gauge (22), and snap-gauge (21) and first lower snap-gauge (22) phase on first Pair a Middle face be transversely provided with slideway, the lower clamp rail (4) is made of snap-gauge (41) on second and second lower snap-gauge (42), There are certain differences in height between snap-gauge (41) and second lower snap-gauge (42) on described second, and snap-gauge (41) and second on second The opposite Middle face of lower snap-gauge (42) is transversely provided with slideway.
2. a kind of cleaning device for being convenient to clean chemical experimental instrument according to claim 1, which is characterized in that the top Two handles (11) are symmetrically arranged at left and right sides of frame (1) upper surface, support rod (3) top is fixed with top frame (1) lower surface Connection, and bottom end is lower than lower clamp rail (4) bottom surface.
3. a kind of cleaning device for being convenient to clean chemical experimental instrument according to claim 2, which is characterized in that described One kelly (6) both ends, which are aligned at the slipway location of upper clamp rail (2), is equipped with slide head, and the thickness of the first kelly (6) is less than first Difference in height between upper snap-gauge (21) and first lower snap-gauge (22), first kelly (6) is by the first right jamming rod (61) and first Left jamming rod (62) is constituted, and alignment is equipped with continuous threaded hole in the middle part of first right jamming rod (61) and the first left jamming rod (62), and It is connected in threaded hole the first tightening bolt (63), first right jamming rod (61) and the first left jamming rod (62) are along the first tightening spiral shell Bolt (63) two sides are symmetrically arranged with two pairs of card slots.
4. a kind of cleaning device for being convenient to clean chemical experimental instrument according to claim 3, which is characterized in that described One slide bar (7) both ends are aligned at the slipway location of lower clamp rail (4) and are equipped with slide head, and the thickness of the first slide bar (7) is less than second Difference in height between upper snap-gauge (41) and second lower snap-gauge (42), first slide bar (7) are equipped with the first hairbrush (71), and the The height on one hairbrush (71) top is higher than the first kelly (6), is equipped with the first brush holder support (711) in the middle part of first hairbrush (71), institute The first brush holder support (711) bottom end is stated across the first slide bar (7) and is attached with the motor (712) of the first slide bar (7) bottom.
5. a kind of cleaning device for being convenient to clean chemical experimental instrument according to claim 4, which is characterized in that described Two kellies (8) both ends, which are aligned at the slipway location of upper clamp rail (2), is equipped with slide head, and the thickness of the second kelly (8) is less than first Difference in height between upper snap-gauge (21) and first lower snap-gauge (22), second kelly (8) by the second right jamming rod (82) (81) and Second left jamming rod is constituted, and alignment is equipped with continuous threaded hole in the middle part of second right jamming rod (82) (81) and the second left jamming rod, and It is connected in threaded hole the second tightening bolt (83), second right jamming rod (82) (81) and the second left jamming rod are along the second tightening Bolt (83) two sides are symmetrically arranged with four pairs of card slots.
6. a kind of cleaning device for being convenient to clean chemical experimental instrument according to claim 5, which is characterized in that described Two slide bars (9) both ends are aligned at the slipway location of lower clamp rail (4) and are equipped with slide head, and the thickness of the second slide bar (9) is less than second Difference in height between upper snap-gauge (41) and second lower snap-gauge (42), second slide bar (9) are equipped with the second hairbrush (91), and the The height on two hairbrush (91) top is higher than the second kelly (8), is equipped with the second brush holder support (911) in the middle part of second hairbrush (91), institute The second brush holder support (911) bottom end is stated across the second slide bar (9) and is attached with the motor (712) of the second slide bar (9) bottom, institute State radius of the radius less than the first hairbrush (71) of the second hairbrush (91).
CN201920206971.XU 2019-02-18 2019-02-18 A kind of cleaning device being convenient to clean chemical experimental instrument Expired - Fee Related CN209680696U (en)

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Application Number Priority Date Filing Date Title
CN201920206971.XU CN209680696U (en) 2019-02-18 2019-02-18 A kind of cleaning device being convenient to clean chemical experimental instrument

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Application Number Priority Date Filing Date Title
CN201920206971.XU CN209680696U (en) 2019-02-18 2019-02-18 A kind of cleaning device being convenient to clean chemical experimental instrument

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CN209680696U true CN209680696U (en) 2019-11-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910728A (en) * 2020-08-17 2020-11-10 王宗芳 Self-adaptive rainwater collecting and draining equipment for sponge city

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910728A (en) * 2020-08-17 2020-11-10 王宗芳 Self-adaptive rainwater collecting and draining equipment for sponge city

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