CN211755232U - Test-tube rack convenient to place - Google Patents

Test-tube rack convenient to place Download PDF

Info

Publication number
CN211755232U
CN211755232U CN202020180874.0U CN202020180874U CN211755232U CN 211755232 U CN211755232 U CN 211755232U CN 202020180874 U CN202020180874 U CN 202020180874U CN 211755232 U CN211755232 U CN 211755232U
Authority
CN
China
Prior art keywords
frame plate
test tube
dustproof protection
plate
tube rack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020180874.0U
Other languages
Chinese (zh)
Inventor
王芬
陈大贵
曾丽萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jingmen Stomatological Hospital
Original Assignee
Jingmen Stomatological Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jingmen Stomatological Hospital filed Critical Jingmen Stomatological Hospital
Priority to CN202020180874.0U priority Critical patent/CN211755232U/en
Application granted granted Critical
Publication of CN211755232U publication Critical patent/CN211755232U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Use In Laboratory Experiments (AREA)

Abstract

The utility model discloses a test tube rack convenient for placement, which comprises a bottom frame plate and a non-slip mat, wherein the non-slip mat is arranged at the bottom of the bottom frame plate, the outer walls of the upper ends of the left side and the right side of the bottom frame plate are connected with vertical side plates, the uppermost ends of the two side plates are connected with a top frame plate horizontally placed, a middle frame plate horizontally placed is connected between the centers of the two side plates, a novel dustproof protection device is additionally arranged above the top of the test tube rack, the novel dustproof protection device is covered above the top frame plate of the test tube rack in parallel under the normal state, thus, the test tube arranged on the test tube rack can be effectively protected, the dustproof protection device can prevent external dust and water stain from sputtering into the test tube arranged on the test tube rack, thereby can protect dust and water stain sputter the inside condition emergence of the quality of the medicament that pollutes the inside holding of test tube to the test tube when experimental operation.

Description

Test-tube rack convenient to place
Technical Field
The utility model belongs to the technical field of the laboratory glassware is relevant, concretely relates to test-tube rack convenient to place.
Background
The test tube rack is one kind of chemical experiment instrument. Wooden shelf or bamboo shelf has 6 holes and 12 holes two kinds, and the test-tube rack is used for placing (also can place the test tube on the test-tube rack sometimes, observes the phenomenon of certain experiment), dries the most basic laboratory glassware in the chemistry laboratory that the test tube was used, has corresponding number's little post and aperture in the test-tube rack, and the foraminiferous can be put the test tube vertically for use or so that continue observing the going on of reaction, and the columellar can be put the test tube of washing upside down to dry.
The prior test tube rack technology has the following problems: current test tube rack is all laid on the experiment table face through the slipmat of its bottom when using, then when needs place the test tube and fix to the test tube rack, all be direct inside the test tube fixed orifices on the test tube rack is vertically inserted to the test tube, the test tube fixed orifices can be fixed the test tube and lay on the test tube rack, and this mode can make by fixed test tube open-top be in naked state always, will cause dust and water stain to sputter the inside of test tube through the naked opening of test tube easily like this, will cause the inside pollution that appears of test tube like this, thereby can influence the later stage use of test tube.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test-tube rack convenient to place to the test tube fixed orifices on the test-tube rack that proposes in solving above-mentioned background art can lay the test tube fixed on the test-tube rack, and this mode can make by fixed test tube open-top be in naked state always, will cause dust and water stain easily like this and sputter the inside to the test tube through the naked opening of test tube, will cause the inside problem of polluting of appearing of test tube like this.
In order to achieve the above object, the utility model provides a following technical scheme: a test tube rack convenient to place comprises a bottom frame plate and non-slip pads, wherein the non-slip pads are installed at the bottom of the bottom frame plate, vertical side plates are connected to the outer walls of the upper ends of the left side and the right side of the bottom frame plate respectively, the uppermost ends of the two side plates are connected with a top frame plate which is horizontally placed, a middle frame plate which is horizontally placed is connected between the centers of the two side plates, two rows of test tube fixing holes are formed in the vertical inner parts of the top frame plate and the middle frame plate, two rows of bottom fixing holes which are inwards sunken are formed in the outer wall of the upper end of the bottom frame plate, a dustproof protection device is arranged on the parallel upper side of the top frame plate, a dustproof protection plate and a fixed bar are arranged on the dustproof protection device, the fixed bar is connected to the outer wall of the upper end of the rightmost side of the top frame plate, the dustproof, dustproof protection shield and fixed strip pole are through fixed bull stick fixed connection, the solid fixed retaining ring has all been cup jointed on the fixed bull stick circumference outer wall of both sides about the dustproof protection shield, fixed strip pole is close to the front side and is provided with dog and the fixed block that resets on being close to rear side upper end outer wall respectively, be connected with the spring catch on the fixed block rear end outer wall, the dog left side that resets is provided with vertical pin that resets, the pin that resets is connected on the bottom outer wall of dustproof protection shield topmost, the spring catch left side is provided with vertical promotion pin, promotion pin topmost is connected on the bottom outer wall of dustproof protection shield.
Preferably, the bottom frame plate, the middle frame plate and the top frame plate are all rectangular flat plate structures, and the bottom frame plate, the middle frame plate and the top frame plate are all kept in a parallel state.
Preferably, two lines of test tube fixed orificess on middle part frame plate and the top frame plate are circular poroid structure, two lines of test tube fixed orificess on middle part frame plate and the top frame plate are equallyd divide and are kept vertical alignment respectively.
Preferably, two inside two lines of bottom fixed orificess of bottom frame plate upper end outer wall are the poroid structure that the bottom inner wall is the arc surface, the circumference diameter of bottom fixed orificess equals with the circumference diameter of test tube fixed orifices, two the bottom fixed orifices all keeps vertical alignment respectively with two lines of test tube fixed orifices on middle part frame plate and the top frame plate.
Preferably, the thickness of the dustproof protection plate is half of the thickness of the top frame plate, the cross section shape and the area size of the dustproof protection plate are the same as those of the top frame plate, and the peripheral outer wall of the dustproof protection plate is vertically aligned with the peripheral outer wall of the top frame plate respectively when the reset stop lever is completely attached to the reset stop block.
Preferably, the elastic blocking piece can be bent outwards when the pushing blocking rod pushes the elastic blocking piece outwards, and the maximum angle of the dustproof protection plate which can rotate outwards clockwise through the pushing blocking rod and the elastic blocking piece is 90 degrees.
Preferably, the curb plate is provided with two altogether, and two curb plates all install and fix the left and right sides position department at middle part frame plate.
Preferably, the test tube fixing hole is a through hole structure, and the test tube fixing hole is a cylinder structure, and the height of the bottom fixing hole is equal to one half of the thickness of the bottom frame plate.
Preferably, the middle frame plate is located in the middle of the side plate, and the middle frame plate is the same as the top frame plate and the bottom frame plate in distance.
Compared with the prior art, the utility model provides a test-tube rack convenient to place possesses following beneficial effect:
1. the utility model adds a novel dustproof protection device above the top of the test tube rack, the novel dustproof protection device is covered above the top frame plate of the test tube rack in parallel under the normal state, thus effectively protecting the test tube arranged on the test tube rack, the dustproof protection device can prevent external dust and water stain from sputtering inside the test tube arranged on the test tube rack, thereby protecting the situation that the dust and the water stain are sputtered inside the test tube to pollute the quality of the medicament arranged inside the test tube during the experiment operation, the dustproof protection device is simple and convenient to operate, when the test tube is required to be vertically arranged on the test tube rack, only the dustproof protection plate on the dustproof protection device needs to be rotated clockwise to expose the top of the test tube rack, then the test tube is directly arranged on the test tube rack, then the dustproof protection plate can automatically return to the original position to protect the test tube, the safety and convenience of the whole test tube rack in use can be improved through the protection and dustproof effect of the dustproof protection device;
2. the specific application method and principle of the dustproof protection device of the utility model are as follows, firstly, when the reset stop lever on the dustproof protection device is completely jointed with the reset stop dog, the peripheral outer wall of the dustproof protection plate is vertically aligned with the peripheral outer wall of the top frame plate respectively, and the maximum angle that the dustproof protection plate can rotate clockwise by pushing the stop lever and the elastic catch piece is 90 degrees, when the test tube is required to be inserted into the test tube fixing hole on the test tube frame, only the front end outer wall of the dustproof protection plate needs to be supported by fingers at the moment and the dustproof protection plate is driven to rotate clockwise, at the moment, the dustproof protection plate rotating clockwise drives the push stop lever to push and bend the elastic catch piece connected on the fixing block until the dustproof protection plate is rotated to the state that the test tube fixing hole is completely exposed, then the test tube is directly inserted into the test tube fixing hole, and then the dustproof protection plate, at this moment, the elastic separation blade that is promoted the pin and promotes crooked then can rely on self elasticity to reset, then can push the separation blade anticlockwise in the opposite direction when the elastic separation blade resets, thereby can drive dustproof protection shield and carry out anticlockwise promotion together, be promoted to cover when parallel in the test-tube rack top when dustproof protection shield, the pin that resets this moment just in time by supporting on the dog that resets, thereby can prevent dustproof protection shield to continue anticlockwise rotation, thereby guarantee that dustproof protection shield can be complete is directly over test-tube rack and test tube, and be covered by dustproof protection shield directly over the test tube, just so can effectually avoid outside dust and water stain to enter into the test tube inside, thereby play the effect of protection to the test tube.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of an elevational three-dimensional structure of a test tube rack convenient for placement;
fig. 2 is a schematic view of a front plan structure of a test tube rack convenient for placement;
fig. 3 is a schematic perspective view of the dustproof protection device of the present invention;
fig. 4 is a schematic side view of a test tube rack convenient for placement according to the present invention;
in the figure: 1. a side plate; 2. a bottom shelf panel; 3. a non-slip mat; 4. a bottom fixing hole; 5. a middle frame plate; 6. a top shelf panel; 7. a test tube fixing hole; 8. a dust-proof protection device; 9. a dustproof protection plate; 10. fixing the bar; 11. resetting the stop lever; 12. fixing a retainer ring; 13. pushing the stop lever; 14. an elastic baffle plate; 15. a fixed block; 16. fixing the rotating rod; 17. and resetting the stop block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a test tube rack convenient to place comprises a bottom frame plate 2 and non-slip pads 3, wherein the non-slip pads 3 are installed at the bottom of the bottom frame plate 2, the outer walls of the upper ends of the left side and the right side of the bottom frame plate 2 are both connected with vertical side plates 1, the uppermost ends of the two side plates 1 are connected with a top frame plate 6 which is horizontally placed, a middle frame plate 5 which is horizontally placed is connected between the centers of the two side plates 1, two lines of test tube fixing holes 7 are respectively arranged in the vertical inner parts of the top frame plate 6 and the middle frame plate 5, the bottom frame plate 2, the middle frame plate 5 and the top frame plate 6 are both in a rectangular flat structure, the bottom frame plate 2, the middle frame plate 5 and the top frame plate 6 are all kept in a parallel state, the two lines of test tube fixing holes 7 on the middle frame plate 5 and the top frame plate, thus, when the test tube is vertically inserted into the vertically corresponding test tube fixing holes 7 on the middle frame plate 5 and the top frame plate 6, the test tube can be vertically placed and fixed, so that the test tube can be more stably and firmly placed, two rows of inwards-concave bottom fixing holes 4 are arranged inside the outer wall at the upper end of the bottom frame plate 2, two rows of bottom fixing holes 4 inside the outer wall at the upper end of the bottom frame plate 2 are of a hole-shaped structure with the bottom inner wall being an arc surface, the circumferential diameter of each bottom fixing hole 4 is equal to that of each test tube fixing hole 7, the two bottom fixing holes 4 are vertically aligned with the two rows of test tube fixing holes 7 on the middle frame plate 5 and the top frame plate 6 respectively, the shapes of the bottom fixing holes 4 can completely adapt to the oval shapes of the bottoms of the test tubes, and the bottoms of the test tubes can be completely attached to the inner walls of the bottom fixing holes 4 after the test tubes are placed, thereby play the guard action to the test tube bottom, the parallel upside of top frame plate 6 is provided with dustproof protection device 8, dustproof protection device 8 is parallel cover in the 6 tops of top frame plate of test-tube rack under normal condition, can effectually play the guard action to the test tube of laying on the test-tube rack like this, dustproof protection device 8 can prevent that outside dust and water stain from sputtering to the inside test tube of laying on the test-tube rack, thereby can protect dust and water stain when experimental operation to sputter the inside and pollute the condition emergence of the inside medicament's that holds of test tube quality of test tube.
A test tube rack convenient for placement, a dustproof protection plate 9 and a fixed bar 10 are arranged on a dustproof protection device 8, the fixed bar 10 is connected on the outer wall of the upper end of the rightmost side of a top frame plate 6, the dustproof protection plate 9 is arranged on the parallel upper side of the top frame plate 6, the center of the rightmost side of the dustproof protection plate 9, which is positioned at the center of the fixed bar 10, is connected with a vertical fixed rotating rod 16, the dustproof protection plate 9 and the fixed bar 10 are fixedly connected through the fixed rotating rod 16, fixed check rings 12 are respectively sleeved on the circumferential outer walls of the fixed rotating rods 16 on the upper side and the lower side of the dustproof protection plate 9, a reset stop block 17 and a fixed block 15 are respectively arranged on the outer wall of the upper end of the fixed bar 10 close to the front side and the rear side, an elastic stop sheet 14 is connected on the outer wall of the rear end of the fixed block 15, a vertical reset, the left side of the elastic baffle piece 14 is provided with a vertical pushing baffle rod 13, the uppermost end of the pushing baffle rod 13 is connected to the bottom outer wall of the dustproof protection plate 9, the thickness of the dustproof protection plate 9 is half of the thickness of the top frame plate 6, the cross section shape and the area size of the dustproof protection plate 9 are the same as those of the top frame plate 6, the peripheral outer walls of the dustproof protection plate 9 are respectively vertically aligned with the peripheral outer walls of the top frame plate 6 when the resetting baffle rod 11 is completely attached to the resetting baffle block 17, the elastic baffle piece 14 can be bent outwards when the pushing baffle rod 13 pushes the elastic baffle piece 14 outwards, the maximum angle that the dustproof protection plate 9 can rotate clockwise outwards through the pushing baffle rod 13 and the elastic baffle piece 14 is 90 degrees, when a test tube needs to be inserted into the test tube fixing hole 7 on the test tube rack, at the moment, only a finger needs to abut against the front end outer wall of the dustproof, at this time, the dust-proof protection plate 9 rotating clockwise can drive the pushing stop lever 13 to push the elastic baffle 14 connected to the fixing block 15 to bend until the dust-proof protection plate 9 rotates to the state that the test tube fixing hole 7 is completely exposed, then the test tube is directly inserted into the test tube fixing hole 7, then the dust-proof protection plate 9 pushing clockwise needs to be loosened, at this time, the elastic baffle 14 pushed to bend by the pushing stop lever 13 can reset by the elasticity of itself, and when the elastic baffle 14 resets, the pushing baffle can be pushed counterclockwise in the opposite direction, so that the dust-proof protection plate 9 can be driven to push counterclockwise together, when the dust-proof protection plate 9 is pushed to cover the upper side of the test tube rack, at this time, the resetting stop lever 11 is just propped against the resetting stop 17, thereby preventing the dust-proof protection plate 9 from continuing to rotate counterclockwise, thereby ensuring that the dust-proof protection plate can be completely protected over the test, and the test tube is covered by dustproof protection plate 9 directly over, just so can effectually avoid outside dust and water stain to enter into inside the test tube.
The utility model provides a test-tube rack convenient to place, curb plate 1 is provided with two altogether, and two equal erection fixes in the left and right sides position department of middle part frame plate 5 of curb plate 1, and test tube fixed orifices 7 is a through-hole structure, and test tube fixed orifices 7 is a cylinder structure, and the height of bottom fixed orifices 4 equals the half of bottom frame plate 2 thickness, and middle part frame plate 5 is located curb plate 1 intermediate position department, and middle part frame plate 5 is the same with top frame plate 6, bottom frame plate 2's distance.
The utility model discloses a theory of operation and use flow: after the test tube rack is installed, when the test tube rack is used, firstly, the anti-slip mat 3 is connected to the lower end outer wall of the bottom frame plate 2 through the adhesive, after the anti-slip mat 3 is installed, the whole test tube rack is placed on the experiment table top through the anti-slip mat 3 at the bottom of the bottom frame plate 2, when a test tube is required to be inserted into the test tube fixing hole 7 on the test tube rack, only the front end outer wall of the anti-slip protection plate 9 is required to be supported by fingers and the anti-slip protection plate 9 is required to rotate clockwise, at the moment, the anti-slip protection plate 9 rotating clockwise drives the pushing stop rod 13 to push and bend the elastic stop piece 14 connected to the fixing block 15, the test tube is stopped until the anti-slip protection plate 9 is rotated to the state that the test tube fixing hole 7 is completely exposed, then the test tube is directly inserted into the test tube fixing hole 7, and then, at this moment by promote flexible separation blade 14 that pin 13 promotes crooked then can rely on self elasticity to reset, and flexible separation blade 14 then can be in the opposite direction when reseing and promote the separation blade anticlockwise, thereby can drive dustproof protection shield 9 and carry out anticlockwise promotion together, when dustproof protection shield 9 is promoted to cover the parallel in the test-tube rack top, the pin 11 that resets this moment just in time is supported on the dog 17 that resets, thereby can prevent dustproof protection shield 9 and continue anticlockwise rotation, thereby guarantee that dustproof protection shield can be complete protection directly over test-tube rack and test tube, thereby play the guard action to the test tube.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a test-tube rack convenient to place, includes bottom frame plate (2) and slipmat (3), its characterized in that: the antiskid mat (3) is arranged at the bottom of the bottom frame plate (2), the outer walls of the upper ends of the left side and the right side of the bottom frame plate (2) are connected with vertical side plates (1), the uppermost ends of the two side plates (1) are connected with a top frame plate (6) which is horizontally placed, a middle frame plate (5) which is horizontally placed is connected between the centers of the two side plates (1), the vertical interiors of the top frame plate (6) and the middle frame plate (5) are respectively provided with two rows of test tube fixing holes (7), the inner portion of the outer wall of the upper end of the bottom frame plate (2) is provided with two rows of inwards sunken bottom fixing holes (4), the upper side of the top frame plate (6) in parallel is provided with a dustproof protection device (8), the dustproof protection plate (9) and a fixing bar (10) are arranged on the dustproof protection device (8), the fixing bar (10) is, the dustproof protection plate (9) is arranged on the upper side of the top frame plate (6) in parallel, the rightmost center of the dustproof protection plate (9) is positioned at the center of the fixed bar (10) and is connected with a vertical fixed rotating rod (16), the dustproof protection plate (9) and the fixed bar (10) are fixedly connected through the fixed rotating rod (16), the circumferential outer walls of the fixed rotating rods (16) on the upper side and the lower side of the dustproof protection plate (9) are respectively sleeved with a fixed retainer ring (12), the fixed bar (10) is close to the front side and the outer wall of the upper end of the rear side and is respectively provided with a reset stop block (17) and a fixed block (15), the outer wall of the rear end of the fixed block (15) is connected with an elastic stop piece (14), the left side of the reset stop block (17) is provided with a vertical reset stop rod (11), and the uppermost end of the reset stop rod (11) is, elastic catch (14) left side is provided with vertical promotion pin (13), promotion pin (13) are connected on the bottom outer wall of dust protection shield (9) the top.
2. A test tube rack convenient for placement according to claim 1, characterized in that: the bottom frame plate (2), the middle frame plate (5) and the top frame plate (6) are all rectangular flat plate-shaped structures, and the bottom frame plate (2), the middle frame plate (5) and the top frame plate (6) are all kept in parallel.
3. A test tube rack convenient for placement according to claim 1, characterized in that: two lines of test tube fixed orifices (7) on middle part frame plate (5) and top frame plate (6) are circular poroid structure, two lines of test tube fixed orifices (7) on middle part frame plate (5) and top frame plate (6) are equallyd divide and are do not keep vertical alignment.
4. A test tube rack convenient for placement according to claim 1, characterized in that: bottom frame plate (2) upper end outer wall inside two lines of bottom fixed orificess (4) are the poroid structure that the bottom inner wall is the arc surface, the circumference diameter of bottom fixed orificess (4) equals with the circumference diameter of test tube fixed orifices (7), two bottom fixed orifices (4) all keep vertical alignment respectively with two lines of test tube fixed orifices (7) on middle part frame plate (5) and top frame plate (6).
5. A test tube rack convenient for placement according to claim 1, characterized in that: the thickness of dustproof protection board (9) is half of top frame plate (6) thickness, the cross sectional shape and the area size of dustproof protection board (9) all are the same with the cross sectional shape and the area size of top frame plate (6), and the outer wall all around of dustproof protection board (9) aligns perpendicularly with top frame plate (6) outer wall all around respectively when restoring to the throne pin (11) and restoring to the throne dog (17) complete laminating.
6. A test tube rack convenient for placement according to claim 1, characterized in that: when the pushing stop lever (13) pushes the elastic stop piece (14) outwards, the elastic stop piece (14) can be bent outwards, and the maximum angle of the dustproof protection plate (9) which can rotate clockwise outwards through the pushing stop lever (13) and the elastic stop piece (14) is 90 degrees.
7. A test tube rack convenient for placement according to claim 1, characterized in that: the side plates (1) are arranged in two, and the two side plates (1) are installed and fixed at the positions of the left side and the right side of the middle frame plate (5).
8. A test tube rack convenient for placement according to claim 1, characterized in that: the test tube fixing hole (7) is a through hole structure, the test tube fixing hole (7) is a cylindrical structure, and the height of the bottom fixing hole (4) is equal to one half of the thickness of the bottom frame plate (2).
9. A test tube rack convenient for placement according to claim 1, characterized in that: the middle frame plate (5) is located in the middle of the side plate (1), and the distance between the middle frame plate (5) and the top frame plate (6) and the distance between the middle frame plate (5) and the bottom frame plate (2) are the same.
CN202020180874.0U 2020-02-18 2020-02-18 Test-tube rack convenient to place Expired - Fee Related CN211755232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020180874.0U CN211755232U (en) 2020-02-18 2020-02-18 Test-tube rack convenient to place

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020180874.0U CN211755232U (en) 2020-02-18 2020-02-18 Test-tube rack convenient to place

Publications (1)

Publication Number Publication Date
CN211755232U true CN211755232U (en) 2020-10-27

Family

ID=72907589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020180874.0U Expired - Fee Related CN211755232U (en) 2020-02-18 2020-02-18 Test-tube rack convenient to place

Country Status (1)

Country Link
CN (1) CN211755232U (en)

Similar Documents

Publication Publication Date Title
CN211755232U (en) Test-tube rack convenient to place
CN211930711U (en) High security removes financial payment terminal with sweeping a yard camera
CN214600906U (en) Flexible glass substrate cleaning rack
CN108371969A (en) Rack for test tube
CN210935100U (en) Endocrinology sample test tube storage device
CN212388915U (en) Protector is used to indoor wall decoration
CN213977049U (en) Automatic bubble slag removal tank
CN210526137U (en) Drawing device convenient for drawing four-line grids for teaching
CN208740880U (en) A kind of burnisher accepting rack
CN210474877U (en) Residual oil collecting device suitable for small-opening oil drum
CN210671288U (en) Rice planting is with preventing seedling fixing device of rupture
CN205914179U (en) Frame is accomodate to many specifications graduated flask
CN208627374U (en) A kind of blood specimen rack for test tube
CN216149801U (en) High school chemistry teaching auxiliary experiment table
CN207187799U (en) A kind of object slide stand
CN220155556U (en) Chained single-sided BSG removing equipment
CN206601001U (en) A kind of aid bag production airing device
CN219765396U (en) Combined test tube rack
CN212846241U (en) Liquid crystal display module that security performance is high
CN211677884U (en) Test tube placement rack convenient to place test tube
CN210328278U (en) Wall-hanging network rack convenient to overhaul
CN208786461U (en) Rack for test tube
CN218132032U (en) Storage device of chemical experiment instrument
CN210058317U (en) Pipette rack for laboratory
CN213090320U (en) Drying disc convenient to use

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201027

CF01 Termination of patent right due to non-payment of annual fee