CN113446827A

CN113446827A - Umbrella type drying equipment for glass test tubes

Info

Publication number: CN113446827A
Application number: CN202111008161.1A
Authority: CN
Inventors: 董红星
Original assignee: Haimencity Kahotest Citotest Labware Manufacturing Co ltd
Current assignee: Haimencity Kahotest Citotest Labware Manufacturing Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-09-28
Anticipated expiration: 2041-08-31
Also published as: CN113446827B

Abstract

The invention discloses umbrella-type drying equipment for glass test tubes, which belongs to the field of test tube drying and comprises a drying rack, through the matching arrangement of the non-air-receiving disc and the air-spreading umbrella, when in drying, the air-spreading umbrella covers the outer side of the test tube on the non-air-receiving disc, under the action of hot air from bottom to top, the air-spreading umbrella expands outwards to separate from the outer surface of the test tube, and forms a protection ring outside the test tube, thereby effectively protecting the test tube, so that the test tube is not easy to generate large displacement in the rotation process of the air receiving disc, compared with the prior art, the condition of uneven drying caused by the existence of a fixing piece is effectively avoided, the outer surface of the test tube is not easy to generate marks after drying, simultaneously when the drying, the interior change air strip of gas exhibition umbrella expands under the hot-air effect, and the partly hot-air in change air strip of paper used for sealing at this moment overflows along its surface, directly blows on the test tube surface, is showing the drying efficiency to the test tube that improves.

Description

Umbrella type drying equipment for glass test tubes

Technical Field

The invention relates to the field of test tube drying, in particular to umbrella-type drying equipment for glass test tubes.

Background

Test tubes, instruments commonly used in laboratories, as reaction vessels for small amounts of reagents, are used at ambient or heated temperatures (which should be preheated before heating or the test tubes easily burst). The test tubes include common test tubes, test tubes with a support, centrifugal test tubes and the like.

Among the prior art, the test tube is when wasing after the drying, generally stands upside down and places on wooden test-tube rack, makes its natural air-dry, perhaps fixes the test tube earlier then to its drying through the hot-air that flows, but the drying efficiency of first mode is lower, and in the second kind of mode, the test tube leads to dry inhomogeneous with the part of mounting contact because sheltering from of mounting, and after the drying, certain seal of a government organization in old china exists easily in this part.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide glass test tube umbrella type drying equipment which is characterized in that a non-air-receiving disc and an air-spreading umbrella are matched, when in drying, the air-spreading umbrella covers the outer side of a test tube on the non-air-receiving disc, under the action of hot air from bottom to top, the air-spreading umbrella expands outwards to separate from the outer surface of the test tube, and forms a protection ring outside the test tube, thereby effectively protecting the test tube, so that the test tube is not easy to generate large displacement in the rotation process of the air receiving disc, compared with the prior art, the condition of uneven drying caused by the existence of a fixing piece is effectively avoided, the outer surface of the test tube is not easy to generate marks after drying, simultaneously when the drying, the interior change air strip of gas exhibition umbrella expands under the hot-air effect, and the partly hot-air in change air strip of paper used for sealing at this moment overflows along its surface, directly blows on the test tube surface, is showing the drying efficiency to the test tube that improves.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A glass test tube umbrella type drying device comprises a drying shell, wherein a vent pipe is fixedly connected to the left lower end of the drying shell, the vent pipe is communicated with the drying shell, a porous air plate is fixedly connected to the inside of the drying shell and is positioned above the vent pipe, a sealing door is connected to the outer end of the drying shell, a plurality of uniformly distributed exhaust holes are further dug in the drying shell, the exhaust holes are positioned above the sealing door, the bottom end of the drying shell is connected with a vertical rod through an electric rotating shaft, the vertical rod penetrates through the porous air plate in a movable mode, a non-air-receiving disc is connected to the vertical rod and comprises a plurality of uniformly distributed radial rods fixedly connected to the outer end of the upper side of the vertical rod, a plurality of uniformly distributed inner air rods are arranged on the radial rods, a plurality of through holes corresponding to the inner air rods are dug in the radial rods, and connecting rods are fixedly connected to the inner walls of the through holes, interior gas pole and connecting rod upper end fixed connection, pole setting upper end fixedly connected with electric putter, electric putter upper end fixedly connected with perforated plate, the edge of radial pole and perforated plate all with dry shell inner wall sliding connection, a plurality of gas exhibition umbrellas that correspond each other with a plurality of interior gas poles of perforated plate lower extreme fixedly connected with.

Furthermore, the right end of the drying shell is fixedly connected with a circulating pipe with a circulating pump, and two end parts of the circulating pipe are respectively positioned at the upper side and the lower side of the radial rod, so that part of hot air can be pumped into the lower part of the radial rod again for recycling.

Furthermore, the transverse span of the sealing door is not less than 1/3 of the diameter of the drying shell, so that the test tube can be conveniently placed on the inner air rod, and the sealing door is made of transparent anti-fog materials, so that fog is not easy to generate under the action of internal hot air.

Further, the through-hole is equipped with the annular outward, the annular is dug on radial pole, and the bottom end fixedly connected with silica gel circle in the annular, when making test tube mouth portion edge rather than the contact, not fragile.

Further, gas exhibition umbrella includes the exhibition bone and the lining cloth of connecting between a plurality of exhibition bones of silica gel soft slab lower extreme with the inner fixed connection's of perforated plate silica gel soft slab, a plurality of connection, lining cloth and exhibition bone are light material and make, make under the hot-air effect of following upward movement, lining cloth and exhibition bone are easily propped open to effectively guarantee that it separates and form the guard circle in the test tube outside with the test tube when the drying, make the test tube be difficult for taking place comparatively by a wide margin because of the atress when no wind dish rotates and rock, thereby effectively protect it difficult quilt when the drying to be damaged.

Further, during the drying, through the high change of electric putter control gas exhibition umbrella, make tip under the lining cloth lie in the interior gas rod tip outside, make the test tube when the drying, the inside and outside all is by spacing, be difficult for taking place rocking by a wide margin because of rotating, be difficult for being damaged when making the test tube dry, when not dry, tip lies in the interior gas rod root outside under the control lining cloth, effectively shelters from interior gas rod, make it avoid difficult adhesion dust, make it difficult when dry to the test tube cause the pollution to the test tube.

Further, tip extends to the lining cloth below under the exhibition bone, and all connects between two adjacent exhibition bones and restrict the limit, the limit rope is non-elastic construction, and when not dry, and limit rope is in the state of laxing, and limit rope is used for controlling the outside range of expanding of gas exhibition umbrella to the interval between guard circle and the test tube that makes gas exhibition umbrella form is difficult too big, makes protection and spacing effect to the test tube better.

Further, inside fixedly connected with a plurality of mutual intervals of lining cloth and evenly distributed's outer gas strip and change gas wind strip, outer gas strip tip be with test tube surface assorted cambered surface structure, outer gas strip makes to be flexible contact between gas exhibition umbrella and the test tube, and it is difficult for damaging because of the collision when making the test tube take place to certain rocking in the drying process, and the change gas strip of paper used for sealing can be bloated under the hot-air effect, and the contact angle who changes test tube surface in hot-air and the gas exhibition umbrella changes, makes the hot-air blow at the test tube surface approximately perpendicularly, and then shows the drying efficiency who improves the hot-air to the test tube.

Furthermore, the air changing air strip comprises an air guide edge and an air blowing layer which are fixedly connected with the lining cloth, the air guide edge is positioned below the air blowing layer, and the part above the transverse center line of the air blowing layer is of a porous structure, so that hot air is convenient to overflow.

Furthermore, the air guide edge is of an arched outward-turning structure, so that hot air can conveniently enter the air changing air strip, the air changing air strip can be effectively guaranteed to be expanded under the action of the hot air, the air guide edge is made of a silicon rubber material with an elastic steel sheet embedded inside, the air blowing layer is made of a flexible material, the maximum thickness of the air guide edge is smaller than that of the outer air strip, when the air unfolding umbrella is in a folding state, the air guide edge with higher hardness is not prone to contacting with a test tube, and the test tube is protected from being damaged.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme sets up through the cooperation of no catch basin and gas exhibition umbrella, during the drying, the test tube outside on no catch basin is established to gas exhibition umbrella cover, under the effect of following ascending hot-air down, the outside expansion of gas exhibition umbrella and test tube surface separation, and form the guard circle in the test tube outside, effectively protect the test tube, make it rotate the difficult big displacement that takes place of in-process at no catch basin, compare in prior art mutually, effectively avoided leading to dry inhomogeneous condition to take place because of the existence of mounting, make the test tube surface be difficult for producing the seal of a government organization in old china after the drying, simultaneously when the drying, the interior change air wind strip of gas exhibition umbrella expands under the hot-air effect, change air strip of paper used for sealing hot-air this moment overflows along its surface, directly blow and brush on the test tube surface, show the drying efficiency who improves the test tube.

(2) Gas exhibition umbrella includes the silica gel soft board with the inner fixed connection of perforated plate, a plurality of exhibition bones of connecting at the silica gel soft board lower extreme and connect the lining cloth between a plurality of exhibition bones, lining cloth and exhibition bone are light material and make, make under the hot-air effect of following upward movement down, lining cloth and exhibition bone are easily propped open, thereby effectively guarantee that it separates and form the guard circle in the test tube outside with the test tube when the drying, make the test tube be difficult for taking place comparatively rocking by a wide margin because of the atress when no wind disk rotates, thereby effectively protect it difficult quilt when the drying to be damaged.

(3) When the drying, through the high change of electric putter control gas exhibition umbrella, make tip under the lining cloth lie in the interior gas rod end portion outside, make the test tube when the drying, the inside and outside all is spacing, be difficult for taking place rocking by a wide margin because of rotating, be difficult for being damaged when making the test tube dry, when not dry, tip lies in the interior gas rod root outside under the control lining cloth, effectively shelters from interior gas rod, makes it avoid difficult adhesion dust, makes it difficult when dry to the test tube cause the pollution to the test tube.

(4) The tip extends to the lining cloth below under the exhibition bone, and all connects between two adjacent exhibition bones and restrict the limit, and the limit rope is non-elastic construction, and when not dry, and limit rope is in the lax state, and limit rope is used for controlling the outside expanded range of gas exhibition umbrella to the interval between guard circle that makes gas exhibition umbrella form and the test tube is difficult too big, makes protection and spacing effect to the test tube better.

(5) Inside fixedly connected with a plurality of mutual intervals of lining cloth and evenly distributed's outer air strip and change gas wind strip, outer air strip tip be with test tube surface assorted cambered surface structure, outer air strip makes and is flexible contact between gas exhibition umbrella and the test tube, make the test tube take place to be difficult for damaging because of the collision when certain rocking in the drying process, change the gas strip of paper used for sealing can be bloated under the hot-air effect, the contact angle who changes test tube surface in hot-air and the gas exhibition umbrella changes, make the hot-air blow at the test tube surface approximately perpendicularly, and then show the drying efficiency who improves the hot-air to the test tube.

Drawings

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic diagram of the present invention in a dry configuration;

FIG. 4 is a schematic structural view of the air-spreading canopy of the present invention installed outside the test tube;

FIG. 5 is a schematic three-dimensional structure of the non-wind-receiving plate of the present invention;

FIG. 6 is a schematic view of the connection between the inner air rod and the radial rod of the present invention;

FIG. 7 is a schematic structural view of a radial rod portion of the present invention;

FIG. 8 is a schematic view of the present invention when not in use;

FIG. 9 is a schematic structural view of a lower end portion of the air-spreading umbrella of the present invention;

FIG. 10 is a front view schematically illustrating the structure of the air-spreading umbrella of the present invention after being outwardly expanded by hot air;

FIG. 11 is a structural view showing the cross section of the air-spreading umbrella of the present invention after being expanded outward by hot air;

the reference numbers in the figures illustrate:

1 drying shell, 2 vent pipes, 3 circulating pipes, 4 radial rods, 41 through holes, 42 ring grooves, 43 connecting rods, 5 porous plates, 6 vertical rods, 7 electric push rods, 8 air unfolding umbrellas, 81 lining cloth, 82 unfolding ribs, 9 inner air rods, 10 outer air strips, 101 air guide edges, 102 air blowing layers, 11 sealing doors, 12 limiting ropes and 13 porous air plates.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, an umbrella type drying apparatus for glass test tubes comprises a drying casing 1, a vent pipe 2 is fixedly connected to the left lower end of the drying casing 1, the vent pipe 2 is communicated with the drying casing 1, a porous air plate 13 is fixedly connected to the inside of the drying casing 1, the porous air plate 13 is located above the vent pipe 2, after hot air is introduced into the drying casing 1 from the vent pipe 2, the hot air needs to move upwards along the pores on the porous air plate 13 to form a hot air flow from bottom to top, in addition, the temperature of the hot air is controlled to be 35-50 ℃, so that an air spreading umbrella 8 can be expanded outwards, a sealing door 11 is connected to the outer end of the drying casing 1, the transverse span of the sealing door 11 is not less than 1/3 of the diameter of the drying casing 1, so that the test tubes can be placed on an inner air rod 9 conveniently, and the sealing door 11 is made of transparent antifogging material, so that fogging is not easy to occur under the action of the hot air inside, the drying shell 1 is also provided with a plurality of uniformly distributed exhaust holes, the exhaust holes are positioned above the sealing door 11, the right end of the drying shell 1 is fixedly connected with a circulating pipe 3 with a circulating pump, two end parts of the circulating pipe 3 are respectively positioned at the upper side and the lower side of the radial rod 4, and part of hot air can be pumped into the lower part of the radial rod 4 again for recycling.

Referring to fig. 3, the bottom of the drying shell 1 is connected with a vertical rod 6 through an electric rotating shaft, the vertical rod 6 movably penetrates through a porous air plate 13, the vertical rod 6 is connected with a non-wind-receiving plate, referring to fig. 5, the non-wind-receiving plate comprises a plurality of radial rods 4 which are fixedly connected with the outer end of the upper side of the vertical rod 6 and are uniformly distributed, a plurality of inner air rods 9 which are uniformly distributed are arranged on the radial rods 4, referring to fig. 6-7, a plurality of through holes 41 which correspond to the inner air rods 9 are drilled on the radial rods 4, a connecting rod 43 is fixedly connected with the inner wall of each through hole 41, the inner air rods 9 are fixedly connected with the upper end of the connecting rod 43, a ring groove 42 is arranged outside each through hole 41, the ring groove 42 is drilled on the radial rods 4, a silica gel ring is fixedly connected with the inner bottom of the ring 42, so that the edge of the opening of a test tube is not easy to be damaged when contacting the edge of the test tube, an electric push rod 7 is fixedly connected with the upper end of the vertical rod 6, the upper end of the electric push rod 7 is fixedly connected with the porous plate 5, the edge of radial pole 4 and perforated plate 5 all with 1 inner wall sliding connection of dry shell, perforated plate 5 lower extreme fixedly connected with a plurality of respectively with a plurality of interior gas pole 9 gas exhibition umbrella 8 that correspond each other.

Like fig. 3-4, during the drying, 8 high changes of control gas exhibition umbrella through electric putter 7, make tip under the lining cloth 81 be located the outside of gas pole 9 tip in, make the test tube when the drying, the inside and outside is all by spacing, difficult rocking by a wide margin takes place because of rotating, difficult quilt is damaged when making the test tube dry, like fig. 8, during not dry, tip is located the outside of gas pole 9 root under the control lining cloth 81, effectively shelter from gas pole 9 in, make it avoid difficult adhesion dust, make it difficult when dry to the test tube cause the pollution to the test tube.

Referring to fig. 9-10, the gas-spreading umbrella 8 includes a silica gel soft plate fixedly connected to the inner end of the porous plate 5, a plurality of spreading ribs 82 connected to the lower end of the silica gel soft plate, and a lining cloth 81 connected between the plurality of spreading ribs 82, wherein the lining cloth 81 and the spreading ribs 82 are made of light materials, so that the lining cloth 81 and the spreading ribs 82 are easily spread under the action of hot air moving from bottom to top, thereby effectively ensuring that the test tube is separated from the test tube during drying and forming a protection ring outside the test tube, so that the test tube is not easily subjected to large-amplitude shaking due to stress when the gas-spreading umbrella is not rotated, and thus the test tube is effectively protected from being damaged during drying; the tip extends to lining cloth 81 below under the exhibition bone 82, and all connects between two adjacent exhibition bones 82 and restrict 12, and spacing rope 12 is non-elastic construction, and when not dry, and restriction rope 12 is in the state of laxing, and restriction rope 12 is used for controlling the outside range of expanding of gas exhibition umbrella 8 to the interval between the guard circle that makes gas exhibition umbrella 8 form and the test tube is difficult too big, makes protection and spacing effect to the test tube better.

In addition, the specific length and size of the limiting rope 12 can be adjusted by technicians according to the size of the dry test tube, so that under the action of hot air, after the air-expanding umbrella 8 is unfolded, the air-changing seal strip inside the air-expanding umbrella is completely expanded, does not contact the surface of the test tube, and is optimally spaced from the surface of the test tube by 2-5 mm.

The inside of the lining cloth 81 is fixedly connected with a plurality of outer air strips 10 and variable air strips which are mutually spaced and uniformly distributed, the end parts of the outer air strips 10 are of cambered surface structures matched with the surfaces of test tubes, the outer air strips 10 enable the air-expanding umbrella 8 to be in flexible contact with the test tubes, so that the test tubes are not easy to be damaged by collision when shaking to a certain extent in the drying process, meanwhile, as shown in figure 11, the variable air strips can be blown up under the action of hot air, the contact angle between the hot air and the surfaces of the test tubes in the air-expanding umbrella 8 is changed, the hot air is blown to the surfaces of the test tubes approximately and vertically, the drying efficiency of the hot air on the test tubes is further obviously improved, the variable air strips comprise air guide edges 101 and air blowing layers 102 which are fixedly connected with the lining cloth 81, the air guide edges 101 are positioned below the air blowing layers 102, the parts above the transverse central lines of the air blowing layers 102 are of porous structures, the hot air is convenient to overflow, and the air guide edges 101 are of arched structures, in being convenient for hot-air to enter into the change air strip, effectively guaranteeing it can expand under the hot-air effect, and air guide limit 101 is for inside to inlay the silicon rubber material who is equipped with the elastic steel piece and make, and layer 102 that bloies is made for flexible material, and the maximum thickness of air guide limit 101 is less than the maximum thickness of outer air strip 10, and when gas exhibition umbrella 8 was in the state of foling, the difficult contact with the test tube of air guide limit 101 that makes the hardness higher, and the protection test tube is difficult to be damaged.

Through the cooperation setting of no catch basin and gas exhibition umbrella 8, during the drying, the test tube outside on no catch basin is established to gas exhibition umbrella 8 cover, under the effect of following ascending hot-air from down, as shown in figure 10, the separation of the outside expansion of gas exhibition umbrella 8 and test tube surface, and form the guard circle in the test tube outside, effectively protect the test tube, make it at the difficult big displacement that takes place of no catch basin rotation in-process, compare in prior art, effectively avoided leading to dry inhomogeneous condition to take place because of the existence of mounting, make test tube surface be difficult for producing the seal of a government organization in old china after the drying, as shown in figure 11, simultaneously when dry, become the air strip inflation under the hot-air effect in the gas exhibition umbrella 8, the partly hot-air in the change seal of a government organization in old china at this moment overflows along its surface, directly blow and half on the test tube surface, show the drying efficiency who improves the test tube.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a glass test tube umbrella formula drying equipment, includes dry shell (1), its characterized in that: the drying device is characterized in that a vent pipe (2) is fixedly connected to the lower left end of the drying shell (1), the vent pipe (2) is communicated with the drying shell (1), a porous air plate (13) is fixedly connected to the inside of the drying shell (1), the porous air plate (13) is located above the vent pipe (2), the outer end of the drying shell (1) is connected with a sealing door (11), a plurality of uniformly distributed vent holes are dug in the outside of the drying shell (1), the vent holes are located above the sealing door (11), and the inner bottom end of the drying shell (1) is connected with a vertical rod (6) through an electric rotating shaft;

be connected with on pole setting (6) and do not connect the wind dish, no connects the wind dish including a plurality of evenly distributed's radial pole (4) of fixed connection in pole setting (6) upside outer end, be equipped with a plurality of evenly distributed's interior gas pole (9) on radial pole (4), it has a plurality of through-holes (41) that correspond with interior gas pole (9) to open on radial pole (4), through-hole (41) inner wall fixedly connected with connecting rod (43), interior gas pole (9) and connecting rod (43) upper end fixed connection, pole setting (6) upper end fixedly connected with electric putter (7), electric putter (7) upper end fixedly connected with perforated plate (5), the edge of radial pole (4) and perforated plate (5) all with drying shell (1) inner wall sliding connection, perforated plate (5) lower extreme fixedly connected with a plurality of respectively with a plurality of gas exhibition umbrella (8) that interior gas pole (9) correspond to each other in a plurality of, gas exhibition umbrella (8) include with perforated plate (5) inner fixed connection's silica gel soft board, a plurality of exhibition bone (82) of connecting at silica gel soft board lower extreme and connect lining cloth (81) between a plurality of exhibition bone (82), lining cloth (81) and exhibition bone (82) are light material and make.

2. The drying shell (1) is characterized in that a circulating pipe (3) with a circulating pump is fixedly connected to the right end of the drying shell (1), and two end portions of the circulating pipe (3) are respectively located on the upper side and the lower side of the radial rod (4).

3. The umbrella drying apparatus for glass test tubes according to claim 2, wherein: the transverse span of the sealing door (11) is not less than 1/3 of the diameter of the drying shell (1), and the sealing door (11) is made of transparent antifogging materials.

4. The umbrella drying apparatus for glass test tubes according to claim 1, wherein: through-hole (41) are equipped with annular (42) outward, annular (42) are dug on radial pole (4), and annular (42) inner bottom end fixedly connected with silica gel circle.

5. The umbrella drying apparatus for glass test tubes according to claim 1, wherein: when the umbrella is dried, the height of the air-spreading umbrella (8) is controlled to change through the electric push rod (7), so that the lower end part of the lining cloth (81) is positioned outside the end part of the inner air rod (9), and when the umbrella is not dried, the lower end part of the lining cloth (81) is controlled to be positioned outside the root part of the inner air rod (9).

6. A glass test tube umbrella drying apparatus according to claim 5, characterized in that: the lower end parts of the unfolding ribs (82) extend to the lower part of the lining cloth (81), the limiting ropes (12) are connected between every two adjacent unfolding ribs (82), the limiting ropes (12) are of non-elastic structures, and when the limiting ropes are not dry, the limiting ropes (12) are in a loose state.

7. The umbrella drying apparatus for glass test tubes according to claim 1, wherein: the inside fixedly connected with of lining cloth (81) a plurality of outer gas strip (10) and the become angry wind strip of mutual interval and evenly distributed, outer gas strip (10) tip be with test tube surface assorted cambered surface structure.

8. The umbrella drying apparatus for glass test tubes according to claim 7, wherein: the variable-air-flow strip comprises an air guide edge (101) and an air blowing layer (102), wherein the air guide edge (101) is fixedly connected with the lining cloth (81), the air blowing layer (102) is arranged below the air guide edge, and the part of the air blowing layer (102) above the transverse center line is of a porous structure.

9. The umbrella drying apparatus for glass test tubes according to claim 8, wherein: the air guide edge (101) is of an arched outward-turning structure, the air guide edge (101) is made of a silicon rubber material, an elastic steel sheet is embedded in the air guide edge, the air blowing layer (102) is made of a flexible material, and the maximum thickness of the air guide edge (101) is smaller than that of the outer air strip (10).