CN113042131A - Test-tube rack for microbiological experiments - Google Patents
Test-tube rack for microbiological experiments Download PDFInfo
- Publication number
- CN113042131A CN113042131A CN202110429305.4A CN202110429305A CN113042131A CN 113042131 A CN113042131 A CN 113042131A CN 202110429305 A CN202110429305 A CN 202110429305A CN 113042131 A CN113042131 A CN 113042131A
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- dust
- test tube
- door
- proof
- tube rack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
Abstract
The invention discloses a test tube rack for a microorganism experiment, which belongs to the technical field of biological experiment instruments and comprises a rack body at least provided with an insertion hole and a dust guard plate sealed on the insertion hole; the dustproof plate covers the frame body in a telescopic mode, a channel through which the test tube can pass is formed in the position, corresponding to the jack, of the dustproof plate, and a dust-proof door is installed in the channel; the dust-proof door is mounted on the dust-proof plate, so that dust can effectively fall into the test tube, and the test tube is extracted by matching the extraction device with the dust-proof door, so that the risk of hand pollution of experimenters to the test tube opening is effectively reduced, the detection result accuracy is guaranteed, and the device has the advantages of novel structure, stable support, high reliability, safety in use and convenience.
Description
Technical Field
The invention relates to the technical field of biological experiment instruments, in particular to a test tube rack for a microorganism experiment.
Background
The test tube is the instrument that chemistry experiment room is commonly used, be used as the reaction vessel of a small amount of reagent, traditional test tube holder wholly is the cuboid structure, be provided with corresponding number's little post and aperture in the support main part, be six holes or twelve holes two kinds usually, be convenient for place the test tube, during the experiment, with the vertical for use or observe experimental phenomenon of placing the test tube in downthehole, the back that finishes of experiment, the abluent test tube can be put upside down on little post so that dry, however, traditional test tube holder has the defect, in microbiological test, often need observe the microorganism in the test tube, when taking the test tube on test tube holder, the test tube mouth is rubbed easily to the people's hand, easily cause the pollution to the test tube mouth, and, the test tube mouth is opened, the dust also gets into easily, influence the accuracy of testing result.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a test tube rack for a microorganism experiment.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a test tube rack for microorganism experiments, which comprises:
the dust-proof device comprises a frame body at least provided with a jack and a dust-proof plate covered on the jack;
the dustproof plate covers the frame body in a telescopic mode, a channel through which the test tube can pass is formed in the position, corresponding to the jack, of the dustproof plate, and a dust-proof door is installed in the channel; and
and the extraction device is matched with the dust-proof door and drives the dust-proof door to open the channel, and the test tube in the jack is extracted through the extraction device.
Furthermore, sliding connection has on the dust guard keep away the dirt door, keep away and seted up on the dirt door can with passageway coincidence through-hole, and keep away the dirt door articulate and close the board that turns over of through-hole, it is formed with drive structure to keep away dirt door upper surface, extraction element passes through drive structure guide keep away the dirt door displacement, make it opens to keep away the dirt door the passageway.
Further, the driving structure is an inclined surface formed on an upper surface of the dust-proof door.
Furthermore, one end of the dust-proof door is a thin end, the other end of the dust-proof door is a thick end, and the lower surface of the dust-proof door is parallel to the horizontal plane.
Furthermore, an elastic component for driving the dust-proof door to reset is arranged between the dust-proof plate and the dust-proof door.
Furthermore, keep away dirt door both sides through the slider with dust guard sliding connection, install in the slider elastomeric element, the dust guard corresponds the slider position has been seted up the slide, elastomeric element one end with slider fixed connection, the other end with slide fixed connection.
Further, extraction element is cylindrical sleeve pipe, extraction element one end is the blind end, and the other end is the open end, the blind end has linked firmly the handle, the open end inner wall is formed with the annular groove for with the bellied edge block of test tube mouth of pipe or break away from.
Furthermore, at least one expansion joint is arranged on the extraction device, and the expansion joint extends from the opening end to the closed end.
Further, the support body lateral part has linked firmly the simulation post for the simulation test tube, extraction element the ring channel can with the simulation post block or break away from.
Further, the support body corresponds the window has been seted up to the jack lateral part for observe the test tube liquid level.
In the technical scheme, the test tube rack for the microorganism experiment provided by the invention has the beneficial effects that:
compared with the prior art, the test tube rack for the microbiological experiment is characterized in that a dustproof plate can be telescopically arranged on a rack body, a channel is arranged at the position, corresponding to the jack, of the dustproof plate, a dust-avoiding door is arranged on the channel, the channel is closed through the dust-avoiding door, the lower surface of the dustproof plate can be tightly attached to the opening of a test tube, and dust is prevented from falling into the test tube;
secondly, the dust guard still has an extraction element, and extraction element with keep away the cooperation of dirt door, stretch into the passageway through extraction element and apply the effort drive and keep away the dirt door and open to extract the interior test tube of jack, realized avoiding hand to touch the orificial purpose of test tube, this structure has avoided the dust to fall into test tube and the orificial risk of hand contact effectively, has guaranteed the accuracy of testing result.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of a test tube rack for microbiological experiments, which is disclosed by the invention;
FIG. 2 is a front view of a test tube rack for microbiological experiments according to the present invention;
FIG. 3 is a cross-sectional view A-A of a microbiological test tube rack disclosed in the present invention;
FIG. 4 is a B-B cross-sectional view of a test tube rack for microbiological experiments according to the present invention;
FIG. 5 is a schematic view of an initial state of inserting a test tube into a plug hole of a test tube rack for a microbiological experiment according to the present invention;
FIG. 6 is a schematic diagram of the state of a test tube extracted by the test tube rack extraction device for the microorganism experiment disclosed by the invention;
FIG. 7 is a sectional view showing the state of a test tube extracted by the extraction device for a test tube rack for a microbiological experiment, which is disclosed by the invention;
FIG. 8 is a schematic view of another usage state of the test tube rack for microorganism experiments disclosed in the present invention;
fig. 9 is a schematic view of a state that a test tube rack centralizing member for a microorganism experiment disclosed by the invention is placed in a notch.
Description of reference numerals:
10. a frame body; 11. a jack; 12. a window; 13. a simulation column; 14. a card slot; 15. a strip hole; 16. opening the gap;
20. a dust-proof plate; 21. a channel; 22. a telescopic rod;
30. a dust-proof door; 31. a drive structure; 32. a through hole; 33. turning over a plate; 34. a slider; 35. a tension spring;
40. an extraction device; 41. a handle; 42. an annular groove; 43. an expansion joint;
50. a righting member;
60. test tubes.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-9;
the invention relates to a test tube rack for microorganism experiments, which comprises:
the rack body 10 is used for accommodating the test tubes 60, six insertion holes 11 are formed in the rack body 10, and the six insertion holes 11 are arranged in a straight line along the length direction of the rack body 10;
a dust guard 20 is arranged above the frame body 10, the dust guard 20 can be telescopically arranged on the frame body 10 along the height direction of the test tube 60 through a telescopic rod 22, the opening of the test tube 60 is sealed by the dust guard 20, and the telescopic rod 22 of the dust guard 20 is in a tensioning state in a free state, so that the height of the dust guard 20 before the opening of the test tube 60 is sealed by the dust guard 20 is smaller than the height of the test tube, a channel 21 is arranged at the position of the dust guard 20 corresponding to the jack 11, a dust-avoiding door 30 is arranged on the channel 21,
referring to fig. 5, when in use, the test tube 60 can be placed into the insertion hole 11 through the channel 21, after the test tube 60 is placed, the dust-proof plate 20 is pulled upwards, the dust-proof plate 20 passes over the top end of the test tube 60, the dust-proof door 30 closes the channel 21, and then the lower surface of the dust-proof plate 20 can be tightly attached to the opening of the test tube 60, so that dust is prevented from falling into the test tube 60;
as shown in fig. 6-7, the dust-proof plate 20 further has an extraction device 40, which is used to cooperate with the dust-proof door 30, and the extraction device 40 extends into the channel 21 to apply a force to drive the dust-proof door 30 to open and extract the test tube 60 in the socket 11, so as to achieve the purpose of preventing hands from touching the mouth of the test tube 60;
referring to fig. 7, preferably, the dust-proof plate 20 is located below the channel 21 and is slidably connected with a dust-proof door 30 through a slideway, a through hole 32 capable of coinciding with the channel 21 is formed in the position, corresponding to the channel 21, of the dust-proof door 30, the channel 21 is communicated with the jack 11 through the through hole 32, it is ensured that the test tube 60 smoothly enters the jack 11, and the diameter of the through hole 32 is not smaller than that of the test tube 60;
when the test tube is used, the test tube 60 enters the jack 11 after passing through the channel 21 and the through hole 32, the dust-proof door 30 is positioned below the through hole 32 and is hinged with a turning plate 33 capable of closing the through hole 32 through a hinge, when the test tube 60 is inserted, the turning plate 33 turns downwards to open the through hole 32, the test tube 60 smoothly enters the jack 11, when the dust-proof door 30 is required to seal the opening of the test tube 60, the dust-proof plate 20 is pulled upwards to the top end of the test tube 60 until the turning plate 33 of the dust-proof door 30 automatically resets and closes the through hole 32 under the action of the hinge, the dust-proof plate 20 is loosened, the turning plate 33 is attached to the opening of;
the upper surface of the dust-proof door 30 is provided with a driving structure 31, the extraction device 40 is in contact with the driving structure 31, acting force is applied downwards, the driving structure 31 guides the dust-proof door 30 to move, the passage 21 is opened by the dust-proof door 30, the extraction device 40 is in contact with the test tube 60, and the test tube 60 is extracted smoothly;
referring to fig. 6 to 7, it is preferable that the driving structure 31 is an inclined surface formed on the upper surface of the dust-proof door 30. The end of the extracting device 40 contacts with the inclined plane, the extracting device 40 is pressed, under the guiding of the inclined plane, the dust-proof door 30 overcomes the contact friction force between the dust-proof door 30 and the dust-proof plate 20 to generate displacement, and then the channel 21 is opened, of course, in order to reduce the friction force, the contact surface between the dust-proof door 30 and the dust-proof plate 20 can be lubricated by applying grease in the prior art, and balls can be added for mechanical lubrication to reduce the friction force.
Referring to fig. 7, it is preferable that one end of the dust-proof door 30 is a thin end and the other end is a thick end, and the lower surface of the dust-proof door 30 is parallel to the horizontal plane. That is, the dust-proof door 30 is a wedge-shaped structure with an inclined upper surface, and has a simple structure and is convenient to process and manufacture;
referring to fig. 4, preferably, an elastic member for driving the dust-proof door 30 to return is further provided between the dust-proof plate 20 and the dust-proof door 30. Preferably, the elastic component is a tension spring 35, and the passage 21 is closed by pulling the dust-avoiding door 30 through the tension spring 35;
referring to fig. 2-4, two sides of the dust-proof door 30 are slidably connected with the dust-proof plate 20 through a sliding block 34, an elastic component is installed in the sliding block 34, a sliding way is formed in the position of the dust-proof plate 20 corresponding to the sliding block 34, one end of the elastic component is fixedly connected with the sliding block 34, and the other end of the elastic component is fixedly connected with the sliding way. In use, the passage 21 can be opened in a drawn form;
referring to fig. 2 and 7, preferably, the extraction device 40 is a cylindrical sleeve, and can be made of nylon material in the prior art, one end of the extraction device 40 is a closed end, the other end is an open end, the closed end is fixedly connected with a handle 41, and an annular groove 42 is formed on the inner wall of the open end;
during the use, hand handle 41, extraction element 40 gets into from the passageway 21 of dust guard 20, through the open end and the inclined plane contact of keeping away dirt door 30, press handle 41, keep away dirt door 30 displacement and open passageway 21, extraction element 40 open end corresponds the test tube 60 mouth of pipe, press handle 41, extraction element 40 open end expansion, ring channel 42 and the bellied edge block of test tube 60 mouth of pipe, in order to guarantee ring channel 42 and the smooth block in test tube 60 mouth of pipe edge, preferably, extraction element 40 is located open end circumference equipartition and has three expansion joints 43, expansion joint 43 extends from the open end towards the blind end, through expansion joint 43, extraction element 40 open end expansion.
Referring to fig. 6, preferably, the frame 10 has the same number of simulation columns 13 attached to the side thereof as the number of the extraction devices 40, the simulation columns 13 have end contour structures matching the test tubes 60 for simulating the test tubes 60, the simulation columns 13 have the same diameter as the test tubes 60, the end structures of the simulation columns 13 are the same as the nozzle structures of the test tubes 60, and the annular grooves 42 of the extraction devices 40 can be engaged with or disengaged from the simulation columns 13, so as to facilitate the attachment of the extraction devices 40 to the frame 10 through the simulation columns 13 when the extraction devices 40 are not in use.
Referring to fig. 2, preferably, a window 12 is formed on the frame body 10 corresponding to the side of the insertion hole 11 for observing the liquid level of the test tube 60. Specifically, the window 12 has all been seted up to support body 10 corresponding jack 11 both sides, and window 12 extends from 11 tops of jack towards 11 bottoms of jack, is convenient for survey the liquid level condition in the test tube 60 through window 12.
Referring to fig. 1, preferably, the test tube rack further includes a centering member 50 for supporting the rack body 10, wherein clamping grooves 14 are uniformly formed on both sides of the rack body 10, and the centering member 50 is movably connected to the clamping grooves 14, so that the centering member 50 extends along the width direction of the rack body 10 to widen the width of the rack body 10. The rack body 10 is prevented from falling in the width direction, when the rack body 10 bears the test tube 60, the righting member 50 is clamped with the clamping groove 14, the width of the rack body 10 is widened by extending in the width direction of the rack body 10, the occupied area of the rack body 10 is increased, the stability of the rack body 10 is improved, the risk of falling of the rack body 10 is reduced, potential safety hazards are eliminated, and the use safety is improved;
referring to fig. 8, in a preferred embodiment, the card slot 14 is a polygonal recess, and the cross-sectional profile of the centering member 50 matches that of the card slot 14, the centering member 50 being capable of articulating with the card slot 14. Specifically, the cross section of the clamping groove 14 is a quadrilateral structure formed by encircling an opening edge and three side walls, and the righting member 50 is a quadrilateral annular structure, so that when the frame body 10 is moved, the righting member 50 can be in interference fit with the clamping groove 14, the righting member 50 is prevented from being separated from the frame body 10, and the clamping groove 14 is in surface contact with the righting member 50 to limit the rotation displacement of the righting member 50 by utilizing the characteristics of a quadrilateral, so that the righting member 50 effectively supports the frame body 10;
referring to fig. 8, preferably, the frame body 10 is provided with a long hole 15 located above the clamping groove 14 and slidably connected to the centering member 50, one end of the long hole 15 is communicated with the clamping groove 14, and the other end extends along the height direction of the frame body 10.
In use, when the righting member 50 is separated from the slot 14, the righting member 50 can freely move in the slot 15 through the slot 15, preferably, the righting member 50 is a closed annular structure, and the annular structure is longer than the length of the frame body 10, as shown in fig. 8, after the righting member 50 is separated from the slot 14, and enters the slot 15, the righting member can move to the top of the frame body 10. The righting component 50 can be used as a handle of the containing device, and is multifunctional, so that the righting component 50 not only can support the frame body 10, but also can be conveniently moved and carried, and the use convenience of the containing device is greatly improved;
referring to fig. 9, in a preferred embodiment, in order to conveniently store the righting member 50, a notch 16 is formed in an end surface of the top end of the frame body 10, when the righting member 50 is not used, the righting member 50 can be placed on the notch 16, and the size of the frame body 10 is reduced by storing the righting member 50 through the notch 16, so that the occupied space is avoided;
in the technical scheme, the invention provides a test tube rack for a microorganism experiment;
has the advantages that: compared with the prior art, the test tube rack for the microbiological experiment is characterized in that a dustproof plate can be telescopically arranged on a rack body, a channel is arranged at the position, corresponding to the jack, of the dustproof plate, a dust-avoiding door is arranged on the channel, the channel is closed through the dust-avoiding door, the lower surface of the dustproof plate can be tightly attached to the opening of a test tube, and dust is prevented from falling into the test tube;
secondly, the dust guard still has an extraction element, and extraction element with keep away the cooperation of dirt door, stretch into the passageway through extraction element and apply the effort drive and keep away the dirt door and open to extract the interior test tube of jack, realized avoiding hand to touch the orificial purpose of test tube, this structure has avoided the dust to fall into test tube and the orificial risk of hand contact effectively, has guaranteed the accuracy of testing result.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A test tube rack for microorganism experiments comprises:
the dust-proof cover comprises a frame body (10) at least provided with a jack (11) and a dust-proof plate (20) covered on the jack (11), and is characterized in that the frame body is provided with a dust-proof cover body;
the dustproof plate (20) is covered above the frame body (10) in a telescopic mode, a channel (21) through which a test tube (60) can pass is formed in the position, corresponding to the insertion hole (11), of the dustproof plate (20), and a dust-avoiding door (30) is installed in the channel (21); and
and the extraction device (40) is matched with the dust avoiding door (30) and drives the dust avoiding door (30) to open the channel (21), and the test tube (60) in the jack (11) is extracted through the extraction device (40).
2. A test tube rack for microorganism experiments according to claim 1, characterized in that;
dust guard (20) go up sliding connection have keep away dirt door (30), keep away on dirt door (30) seted up can with passageway (21) coincidence through-hole (32), and it has the board (33) of turning over of closing to keep away dirt door (30) hinge, it is formed with drive structure (31) to keep away dirt door (30) upper surface, extraction element (40) pass through drive structure (31) guide keep away dirt door (30) displacement, make it opens to keep away dirt door (30) passageway (21).
3. A test tube rack for microorganism experiments according to claim 2, characterized in that;
the driving structure (31) is an inclined surface formed on the upper surface of the dust-proof door (30).
4. A test tube rack for microorganism experiments according to claim 3, characterized in that;
one end of the dust-proof door (30) is a thin end, the other end of the dust-proof door is a thick end, and the lower surface of the dust-proof door (30) is parallel to the horizontal plane.
5. A test tube rack for microorganism experiments according to claim 2, characterized in that;
an elastic component for driving the dust-proof door (30) to reset is also arranged between the dust-proof plate (20) and the dust-proof door (30).
6. A test tube rack for microorganism experiments according to claim 5, characterized in that;
keep away dirt door (30) both sides through slider (34) with dust guard (20) sliding connection, install in slider (34) elastomeric element, dust guard (20) correspond slider (34) position has seted up the slide, elastomeric element one end with slider (34) fixed connection, the other end with slide fixed connection.
7. A test tube rack for microorganism experiments according to claim 1, characterized in that;
extraction element (40) are cylindrical sleeve pipe, extraction element (40) one end is the blind end, and the other end is the open end, the blind end has linked firmly handle (41), the open end inner wall is formed with annular groove (42) for with test tube (60) mouth of pipe bellied edge block or break away from.
8. A test tube rack for microorganism experiments according to claim 7, characterized in that;
the extraction device (40) is provided with at least one expansion joint (43), and the expansion joint (43) extends from the open end to the closed end.
9. A test tube rack for microorganism experiments according to claim 7, characterized in that;
support body (10) lateral part has linked firmly simulation post (13) for simulation test tube (60), extraction element (40) ring channel (42) can with simulation post (13) block or break away from.
10. A test tube rack for microorganism experiments according to claim 1, characterized in that;
the frame body (10) corresponds the lateral part of the jack (11) is provided with a window (12) for observing the liquid level of the test tube (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429305.4A CN113042131B (en) | 2021-04-21 | 2021-04-21 | Test-tube rack for microbiological experiments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429305.4A CN113042131B (en) | 2021-04-21 | 2021-04-21 | Test-tube rack for microbiological experiments |
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| CN113042131A true CN113042131A (en) | 2021-06-29 |
| CN113042131B CN113042131B (en) | 2022-07-19 |
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