Centrifugal machine capable of pretreating test tubes

Abstract

The utility model relates to the field of centrifugal machines, in particular to a centrifugal machine capable of pretreating a test tube, which is arranged on the outer surface of an upper cover and can clean the side surface and two end surfaces of the test tube. Comprising a centrifugal machine body and a sealing cover with the upper side capable of being opened and closed, a first cleaning piece matched with the side face and the lower end face of a test tube is fixedly arranged on the outer surface of the sealing cover, the first cleaning piece comprises a U-shaped clamping base with an upper opening, an annular inflation air bag with a left opening and a right opening is fixedly arranged in the U-shaped clamping base in an adhesive mode, and an inflation nozzle is arranged on one side of the inflation air bag. A cleaning cloth sleeve is detachably mounted at an annular opening of the inflatable airbag, the cleaning cloth sleeve is in a cylindrical shape with left and right openings, the left end part of the cleaning cloth sleeve extends out of the inflatable airbag, an annular cloth sleeve is fixedly arranged at the left opening, and a rubber band capable of shrinking the left opening together is arranged in the annular cloth sleeve; a second cleaning piece matched with the upper end face of the test tube is arranged on the rear side of the right end of the U-shaped clamping base in a front-back rotating mode. The device is simple to operate, convenient to use and suitable for various test tubes.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifuge field, concretely is a centrifuge that can pretreat test tube. BACKGROUND

[0002] The centrifuge is the instrument that separates the material of different density, different particle size in suspension or emulsion, or carries out analysis simultaneously during separation. The existing centrifuge, when using, needs to open the upper cover, inserts the test tube into the test tube fixing seat in the centrifuge. However, before the test tube is put in, the surface of the test tube will have dust, and the brought dust will cause pollution to the inside of the centrifuge. The centrifuge does not set the structure for cleaning the surface of the test tube.

[0003] The utility model discloses a kind of di-tert-butyl dicarbonate experimental centrifuges, rotates first threaded rod, makes lifting block to go up and down, movable arm will promote cleaning plate rotation, unroll cleaning plate, test tube can pass through cleaning hole and be put into test tube cover, in the process of passing through cleaning hole, cleaning cotton will contact with the surface of test tube, to wipe the surface of test tube, to facilitate the dust attached to the surface of test tube to be cleaned, to effectively avoid the dust on the surface of test tube with test tube into centrifuge inside.

[0004] The above-mentioned di-tert-butyl dicarbonate experimental centrifuge can clean the dust on the surface of the test tube. However, problems are found in the use process: sometimes forget to store cleaning plate in the inner surface of sealing cover, directly close sealing cover has the hidden trouble of damaging cleaning plate; and it can only clean the dust on the side of the test tube through the cleaning cotton, and cannot effectively clean the dust on the two end surfaces of the test tube. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a centrifuge capable of pretreating test tubes. The centrifuge is arranged on the outer surface of the upper cover and can clean the side and both end surfaces of the test tube, effectively solving the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a centrifuge capable of pretreating test tubes, comprising a centrifuge body and a sealing cover capable of being opened and closed on the upper side, a first cleaning member cooperating with the side and lower end surface of the test tube is fixedly arranged on the outer surface of the sealing cover, the first cleaning member comprises a U-shaped clamping seat with an upper opening, a left and right opening annular inflatable air bag is fixedly arranged in the U-shaped clamping seat, an inflation nozzle is arranged on one side of the inflatable air bag, a cleaning cloth cover is detachably installed at the annular opening of the inflatable air bag, the cleaning cloth cover is in the shape of a left and right opening cylindrical tube, the left end of the cleaning cloth cover extends out of the inflatable air bag, and a ring-shaped cloth cover is fixedly arranged at the left end port, a rubber band capable of contracting the left end port together is arranged in the ring-shaped cloth cover;

[0007] The rear side of the right end of the U-shaped card holder is provided with a second cleaning piece capable of rotating forward and backward and matched with the upper end surface of the test tube.

[0008] As a preferred technical scheme, the second cleaning piece comprises a left-right transverse support plate, the left end of the support plate is hinged to the rear end of the right side of the U-shaped card holder through a first hinge, the right end of the support plate is fixedly provided with a vertical circular fixing plate, and the front side of the fixing plate is detachably provided with a cleaning cloth.

[0009] As a preferred technical scheme, the first hinge is provided with a torsional spring for resetting the support plate.

[0010] As a preferred technical scheme, the annular port of the inflatable air bag is adhesively provided with a hook of a Velcro strip, and the outer surface of the cleaning cloth cover is fixedly provided with a Velcro strip base matched with the hook of the Velcro strip.

[0011] As a preferred technical scheme, the cleaning cloth cover has a composite structure, comprising an inner cotton fabric layer, and a bamboo charcoal fiber layer adhesively arranged on the outer side of the cotton fabric layer.

[0012] As a preferred technical scheme, the cleaning cloth has a composite structure, comprising a front cotton fabric layer, and a bamboo charcoal fiber layer adhesively arranged on the rear side of the cotton fabric layer.

[0013] As a preferred technical scheme, the surface of the sealing cover of the U-shaped card holder is provided with an openable cover body.

[0014] As a preferred technical scheme, the cover body is in the shape of a lower-opened cuboid, the left lower end of the cover body is hinged to the upper surface of the sealing cover through a second hinge, the right lower end surface of the cover body is provided with a magnetic strip matched with the upper surface of the lower sealing cover, and the outer side of the upper side of the cover body is fixedly provided with a handle.

[0015] Compared with the prior art, the centrifuge provided by the utility model has the following beneficial effects:

[0016] 1. The cleaning cloth cover is detachably installed at the annular port of the inflatable air bag, the cleaning cloth cover is in the shape of a left-right opened cylindrical barrel, the left end of the cleaning cloth cover extends out of the inflatable air bag, and the annular cloth cover is fixedly provided with a rubber band capable of contracting the left end port together, in use, the cleaning cloth cover can be immersed in cleaning liquid and then installed at the annular port of the inflatable air bag, then the test tube is horizontally laid to the right, the lower end surface of the test tube is inserted into the cleaning cloth cover to the left, the test tube is continuously inserted, the contraction part of the left end of the test tube is expanded and inserted out, until only the right end surface of the end cap of the test tube is exposed, the cleaning cloth cover plays a wiping and cleaning role on the lower end surface, the side surface and the side surface of the end cap of the test tube, and the pretreatment structure is arranged outside, so that the problem of damage of the sealing cover is avoided.

[0017] 2.The utility model discloses a right end face of the test tube end cap is exposed, can rotate the fixed plate forward to make the cleaning cloth and test tube end cap right end face extrusion contact, then rotates the test tube on the left side and can complete the right end face cleaning, and the torsional spring is favorable to the fixed plate reset.

[0018] 3.The utility model discloses a cover body is the cuboid of lower opening, and the cover body left side lower end is hinged with the upper surface of sealing cover through the second hinge, and the cover body right side lower end surface and the upper surface of sealing cover on the downside are equipped with the magnetic stripe of mutual attraction cooperation, when using, the cover body can play the dustproof effect normally, and the magnetic stripe is favorable to the firmness of cover body closing. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described here are used to provide further understanding of the utility model and constitute a part of this application:

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the first embodiment of the utility model;

[0021] Figure 2 It is the enlarged structure schematic diagram of the pretreatment structure of the utility model;

[0022] Figure 3 It is Figure 2 The enlarged structure schematic diagram of the cleaning cloth cover;

[0023] Figure 4 It is the three-dimensional structure schematic diagram of another angle of the cleaning cloth cover;

[0024] Figure 5 It is the use state diagram of the first embodiment of the utility model;

[0025] Figure 6 It is the three-dimensional structure schematic diagram of the second embodiment of the utility model.

[0026] Indicated in the drawing: 1. centrifuge body;2. sealing cover;3. first cleaning part;31. U-shaped clamping seat;32. inflatable air bag;321. inflation mouth;33. cleaning cloth cover;331. annular cloth cover;4. second cleaning part;41. support plate;411. first hinge;42. fixed plate;43. cleaning cloth;5. test tube;51. end cap;6. cover body;61. second hinge;62. handle. DETAILED DESCRIPTION

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] like Figures 1 to 4 As shown, a centrifuge for pre-treating test tubes includes a centrifuge body 1 and a top-openable and closable sealing cap 2. The centrifuge body 1 includes a housing, an internally rotatable test tube rack for storing test tubes, a drive mechanism, and a front control panel. The sealing cap 2 is hinged to the housing on one side and has a latch on the other side that engages with the centrifuge body. The structure and working principle of the centrifuge body 1 and the sealing cap 2 are prior art and are known to those skilled in the art. A first cleaning component 3 is fixedly provided on the outer surface of the sealing cap 2 to mate with the side and bottom surface of the test tube. The first cleaning component 3 includes a U-shaped bracket 31 with an upper opening. An inflatable air bladder 32 with left and right openings is glued and fixed in the U-shaped bracket 31. An inflation nozzle 321 is provided on one side of the inflatable air bladder 32 (the size of the annular opening can be adjusted by inflation and deflation). A cleaning cloth sleeve 33 (flexible) is detachably installed at the annular opening of the inflatable air bladder 32. The cleaning cloth sleeve 33 is a cylindrical tube with left and right openings. The left end of the cleaning cloth sleeve 33 extends out of the inflatable air bladder 32, and an annular cloth sleeve 331 (flexible) is fixed at the left end. An elastic band (not shown) is provided in the annular cloth sleeve 331 to retract the left end together. A second cleaning component 4 is provided on the rear right end of the U-shaped bracket 31, which can rotate back and forth to mate with the upper surface of the test tube 5.

[0030] The second cleaning component 4 includes left and right horizontal support plates 41. The left end of the support plate 41 is hinged to the rear end of the right side of the U-shaped bracket 31 via a first hinge 411. A vertical circular fixing plate 42 is fixedly provided on the right end of the support plate 41. A cleaning cloth 43 is detachably provided on the front side of the fixing plate 42.

[0031] The first hinge 411 is provided with a torsion spring (not shown) for the support plate 41 to return to its original position (as illustrated). Its structure is known to those skilled in the art.

[0032] The airbag 32 has a hook and loop fastener attached to its annular opening (not shown), and the cleaning cloth cover 33 has a hook and loop fastener base (not shown) fixed on its outer surface to cooperate with the hook and loop fastener hook.

[0033] The cleaning cloth cover 33 has a composite structure, including an inner pure cotton fabric layer (absorbent) and an outer bamboo charcoal fiber layer (antibacterial) bonded to the pure cotton fabric layer.

[0034] The cleaning cloth 43 is a composite structure, comprising a front pure cotton fabric layer (water absorption), and a bamboo charcoal fiber layer (antibacterial) is attached to the rear side of the pure cotton fabric layer.

[0035] In use, the cleaning cloth sleeve 33 is immersed in cleaning solution, and then is installed at the annular opening of the inflatable air bag 32, then the test tube 5 is horizontally laid to the right, the lower end surface of the test tube 5 is inserted into the cleaning cloth sleeve 33 to the left, and the test tube 5 can be continuously inserted to the left end portion to be expanded and penetrated out, until only the right end surface of the test tube end cap 51 is exposed, at this time, the cleaning cloth sleeve 33 plays a wiping and cleaning role on the lower end surface, the side surface and the side surface of the test tube end cap 51. In use, the cleaning cloth 43 is immersed in water, and then is installed on the rear fixing plate 42, when only the right end surface of the test tube end cap 51 is exposed, the fixing plate 42 can be rotated forward to make the cleaning cloth 43 in extrusion contact with the right end surface of the test tube end cap 51, then the test tube 5 is rotated to the left to complete the cleaning of the right end surface, and the torsional spring is beneficial to the resetting of the fixing plate 42.

[0036] The test tube can be cleaned as a whole, and then is placed in the centrifuge respectively.

[0037] Example 2

[0038] As shown in the figure, the sealing cover 2 surface of the U-shaped card holder 31 periphery is provided with an openable cover 6. Figure 5

[0039] The cover 6 is a long rectangular parallelepiped with an open lower end, the left lower end of the cover 6 is hinged to the upper surface of the sealing cover 2 through a second hinge 61, and the right lower end surface of the cover 6 is provided with a magnetic strip (not shown) on the upper surface of the sealing cover 2 on the lower side, which is attracted and matched with each other, and a handle 62 is fixedly arranged on the outer side of the cover 6 on the upper side of the magnetic strip.

[0040] In use, the cover 62 can play a dustproof role at ordinary times, and the magnetic strip is beneficial to the firmness of the closing of the cover 6.

[0041] The components used in the utility model are general standard components or components known by those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.

[0042] ​It should be noted that, in this article, the terms "first", "second", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0043] The structures, proportions, sizes and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the conditions that can be implemented by the present application. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0044] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A centrifuge for pre-treating test tubes, comprising a centrifuge body and a top-openable and closable sealing cap, characterized in that: The outer surface of the sealing cap is fixedly provided with a first cleaning component that mates with the side and bottom surface of the test tube. The first cleaning component includes a U-shaped bracket with an upper opening. An inflatable airbag with left and right openings is glued and fixed in the U-shaped bracket. An inflation nozzle is provided on one side of the inflatable airbag. A cleaning cloth cover is detachably installed at the annular opening of the inflatable airbag. The cleaning cloth cover is a cylindrical tube with left and right openings. The left end of the cleaning cloth cover extends out of the inflatable airbag, and an annular cloth cover is fixedly provided at the left end. An elastic band is provided in the annular cloth cover to retract the left end together. The rear right end of the U-shaped holder is equipped with a second cleaning component that can rotate back and forth and mates with the upper surface of the test tube.

2. A centrifuge for pre-treating test tubes according to claim 1, characterized in that: The second cleaning component includes left and right horizontal support plates. The left end of the support plate is hinged to the rear end of the right side of the U-shaped card seat via a first hinge. A vertical circular fixing plate is fixedly provided on the right end of the support plate. A cleaning cloth is detachably provided on the front side of the fixing plate.

3. A centrifuge for pre-treating test tubes according to claim 2, characterized in that: The first hinge is provided with a torsion spring for the support plate to return to its original position.

4. A centrifuge for pre-treating test tubes according to claim 1, characterized in that: The inflatable airbag is provided with a hook and loop fastener at the annular opening, and a hook and loop fastener base that cooperates with the hook and loop fastener is fixed on the outer surface of the cleaning cloth cover.

5. A centrifuge for pre-treating test tubes according to claim 1, characterized in that: The cleaning cloth cover has a composite structure, including an inner pure cotton fabric layer and a bamboo charcoal fiber layer bonded to the outer side of the pure cotton fabric layer.

6. A centrifuge for pre-treating test tubes according to claim 2, characterized in that: The cleaning cloth has a composite structure, including a pure cotton fabric layer on the front side and a bamboo charcoal fiber layer bonded to the back side of the pure cotton fabric layer.

7. A centrifuge for pre-treating test tubes according to claim 1, characterized in that: The sealing cover surface around the U-shaped card holder is provided with an openable and closable cover.

8. A centrifuge for pre-treating test tubes according to claim 7, characterized in that: The cover is a rectangular parallelepiped with an opening at the bottom. The lower left end of the cover is hinged to the upper surface of the sealing cover via a second hinge. The lower right end of the cover and the upper surface of the sealing cover are provided with magnetic strips that attract and cooperate with each other. A handle is fixedly provided on the outer side of the cover above the magnetic strip.

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