CN208839631U - A kind of chemistry teaching test tube clamping device - Google Patents
A kind of chemistry teaching test tube clamping device Download PDFInfo
- Publication number
- CN208839631U CN208839631U CN201821103949.4U CN201821103949U CN208839631U CN 208839631 U CN208839631 U CN 208839631U CN 201821103949 U CN201821103949 U CN 201821103949U CN 208839631 U CN208839631 U CN 208839631U
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- CN
- China
- Prior art keywords
- test tube
- pedestal
- fixedly connected
- sliding groove
- sleeve
- 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.)
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Abstract
The utility model discloses a kind of chemistry teaching test tube clamping devices, including pedestal, test tube is placed with above the pedestal, the upper surface of pedestal is opened up there are two symmetrical first sliding groove, the inside of each first sliding groove is connected with the first slide bar compatible with first sliding groove, the fixation of the middle part of each first sliding groove inner sidewall is inlaid with bearing, the fixation of the lower part of each first slide bar right side is inlaid with loop coil, and loop coil is located at the inside of first sliding groove, the left and right sides of pedestal is placed with screw rod compatible with loop coil.Chemistry teaching test tube clamping device, by the way that screw rod is arranged, under the action of loop coil, it can make two slide bars that two clamping plates be driven to horizontally slip, so that the device be made to be capable of clamping the test tube of different tube diameters, pass through setting support rod, under the action of the spring, can not only buffer screw stem holding test tubes active force, and sleeve can be made to horizontally slip, so as to which the much the same test tube of pipe diameter size is quickly clamped and taken out.
Description
Technical field
The utility model relates to chemistry teaching technical field, specially a kind of chemistry teaching test tube clamping device.
Background technique
Chemistry is one kind of natural science, and composition, property, structure and the variation of substance are studied on molecule, atom level
Rule, creates the science of novel substance, and the world is chemical then be the mankind to recognize and be transformed the main of the material world by material composition
One of ways and means.
Chemical teacher in carrying out chemistry teaching from a large amount of chemical test is not done, it is known that chemical test is not from
Test tube is used, and the pipe diameter size of test tube differs, and stands for the test tube for enabling pipe diameter size not wait and needs to be equipped with and test tube pipe
The compatible fixed plate of diameter, this, which results in fixed plate, does not have versatility to increase instruction cost, thus it is proposed that a kind of chemistry
Teaching test tube clamping device.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of chemistry teaching test tube clamping device, solves
A kind of the problem of waste that chemistry teaching does not have versatility to cause instruction cost with test tube clamping device.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of chemistry teaching test tube clamping device,
Including pedestal, test tube is placed with above the pedestal, the upper surface of the pedestal is opened up there are two symmetrical first sliding groove,
The inside of each first sliding groove is connected with the first slide bar compatible with first sliding groove, each first sliding groove inside
The middle part of wall is fixed to be inlaid with bearing, and the fixation of the lower part of each first slide bar right side is inlaid with loop coil, and loop coil
Positioned at the inside of first sliding groove, the left and right sides of the pedestal is placed with screw rod compatible with loop coil, each screw rod
One end close to pedestal sequentially passes through bearing and loop coil and extends to the inside of first sliding groove, the outer surface of two screw rods
It is threadedly coupled respectively with the inner ring of two loop coils, and the outer surface of screw rod left and right ends is fixed with the inner ring of two bearings connect respectively
It connects, there are two symmetrical sleeves for the top placement of the pedestal, and two sleeves are located at the two sides of test tube.
Two sleeve one sides close to each other are respectively fixedly connected with the clamping plate in arc-shaped, two sleeves
The middle part for being located remotely from each other one side offers through-hole, and the inside of each sleeve is placed with support compatible with through-hole
Bar, the one side that two support rods are located remotely from each other extends through two through-holes and extends to the outside of sleeve, and two branch
The one side that strut is located remotely from each other is fixedly connected with the top of two the first slide bar one sides close to each other respectively, each set
The middle part of cylinder inner roof wall and the middle part of sleeve inner bottom wall offer second sliding slot, and the inside of each second sliding slot is clamped
There is the second slide bar compatible with second sliding slot, two support rod one sides close to each other are fixedly connected to activity
Plate, and two the second slide bars one side close to each other is fixedly connected with the upper surface of movable plate and bottom surface respectively, it is each described
The inside of sleeve is placed with spring, the side that two springs one end close to each other is located remotely from each other with two clamping plates respectively
Face is fixedly connected, and one end that two springs are located remotely from each other is fixed with two movable plates one side close to each other respectively to be connected
It connects.
Preferably, the lower part of the pedestal left and right sides is fixedly connected to mounting plate, and the upper table of each mounting plate
Face offers mounting hole.
Preferably, each clamping plate is fixedly connected to rubber pad close to the one side of test tube, and rubber pad is vertical
Length value is equal with the vertical length of clamping plate value.
Preferably, the one side that two screw rods are located remotely from each other is fixedly connected to handwheel, and handwheel is located at pedestal
Two sides.
Preferably, the upper surface of the pedestal is fixedly connected with cushion compatible with pedestal, and the upper surface of cushion with
The bottom surface of test tube is in contact.
Preferably, the front of the pedestal is fixedly connected with warning sign, and warning sign is located at the positive middle part of base front surface.
(3) beneficial effect
The utility model provides a kind of chemistry teaching test tube clamping device, have it is following the utility model has the advantages that
(1) chemistry teaching test tube clamping device can make two slide bars under the action of loop coil by the way that screw rod is arranged
Two clamping plates are driven to horizontally slip, to make the device be capable of clamping the test tubes of different tube diameters, by the way that support rod is arranged, in spring
Under effect, can not only buffer screw stem holding test tubes active force, effectively prevent from for test tube being caught broken, and sleeve or so can be made sliding
It is dynamic, so as to which the much the same test tube of pipe diameter size is quickly clamped and taken out, used without adjusting screw rod every time
It is more convenient.
(2) chemistry teaching test tube clamping device can make the device convenient for solid by setting mounting plate and mounting hole
It is fixed, to effectively prevent the device from toppling over or falling from testing stand, test tube is caused to damage, by the way that rubber pad is arranged, can had
Effect avoids clamping plate from being directly in contact with test tube and make that test tube is caused to damage, and by the way that handwheel is arranged, user can be made convenient for operation spiral shell
Bar keeps user convenient to use, by cushion, can effectively prevent the bottom surface of test tube to be directly in contact with pedestal, cause test tube with
Pedestal collides and damages, and by the way that warning sign is arranged, can effectively warn irrelevant personnel that must not arbitrarily adjust the device.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model pedestal front view；
Fig. 2 is the cross-sectional view of the utility model sleeve front view；
Fig. 3 is the utility model pedestal front view.
In figure: 1 pedestal, 2 mounting plates, 3 loop coils, 4 cushions, 5 test tubes, 6 bearings, 7 screw rods, 8 mounting holes, 9 handwheels, 10 first
Sliding slot, 11 rubber pads, 12 clamping plates, 13 sleeves, 14 support rods, 15 first slide bars, 16 second sliding slots, 17 second slide bars, 18 through-holes,
19 springs, 20 movable plates.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of chemistry teaching test tube clamping device, packet
Pedestal 1 is included, the front of pedestal 1 is fixedly connected with warning sign 22, and warning sign 22 is located at the positive positive middle part of pedestal 1, can be effective
Warning irrelevant personnel must not arbitrarily adjust the device, the lower part of 1 left and right sides of pedestal is fixedly connected to mounting plate 2, and
The upper surface of each mounting plate 2 offers mounting hole 8, the device can be made convenient for fixing, to effectively prevent the device from inclining
It or from testing stand falls, test tube 5 is caused to damage, the top of pedestal 1 is placed with test tube 5, and the upper surface of pedestal 1 is fixedly connected
There is cushion 4 compatible with pedestal 1, and the upper surface of cushion 4 is in contact with the bottom surface of test tube 5, can effectively prevent test tube 5
Bottom surface is directly in contact with pedestal 1, causes test tube 5 to collide with pedestal 1 and damages, and the upper surface of pedestal 1 is opened up there are two phase
Symmetrical first sliding groove 10, the inside of each first sliding groove 10 are connected with first slide bar 15 compatible with first sliding groove 10,
The middle part of each 10 inner sidewall of first sliding groove is fixed to be inlaid with bearing 6, and the lower part of each first slide bar, 15 right side is fixed
It is inlaid with loop coil 3, and loop coil 3 is located at the inside of first sliding groove 10, the left and right sides of pedestal 1 is placed with to be adapted with loop coil 3
Screw rod 7, the one side that two screw rods 7 are located remotely from each other is fixedly connected to handwheel 9, and handwheel 9 is located at the two sides of pedestal 1, energy
Make user convenient for operation screw rod 7, keeps user convenient to use, each screw rod 7 sequentially passes through 6 He of bearing close to one end of pedestal 1
The outer surface of loop coil 3 and the inside for extending to first sliding groove 10, two screw rods 7 is threadedly coupled with the inner ring of two loop coils 3 respectively,
And the outer surface of 7 left and right ends of screw rod is fixedly connected with the inner ring of two bearings 6 respectively, there are two phases for the top placement of pedestal 1
Symmetrical sleeve 13, and two sleeves 13 are located at the two sides of test tube 5.
Two one sides close to each other of sleeve 13 are respectively fixedly connected with the clamping plate 12 in arc-shaped, and each clamping plate 12 leans on
The one side of nearly test tube 5 is fixedly connected to rubber pad 11, and the vertical length of the vertical length value of rubber pad 11 and clamping plate 12
It is worth equal, can effectively avoids clamping plate 12 from being directly in contact with test tube 5 and make to cause test tube 5 to be damaged, two sleeves 13 are mutually remote
Middle part from one side offers through-hole 18, and the inside of each sleeve 13 is placed with support rod compatible with through-hole 18
14, the one side that two support rods 14 are located remotely from each other extends through two through-holes 18 and extends to the outside of sleeve 13, and two
The one side that support rod 14 is located remotely from each other is fixedly connected with the top of two one sides close to each other of the first slide bar 15 respectively, each
The middle part of 13 inner bottom wall of middle part and sleeve of 13 inner roof wall of sleeve offers second sliding slot 16, the inside of each second sliding slot 16
It is connected with second slide bar 17 compatible with second sliding slot 16, two one sides close to each other of support rod 14 are fixedly connected with
Have a movable plate 20, and two the second slide bars 17 one side close to each other respectively with the upper surface of movable plate 20 and bottom surface are fixed connects
Connect, the inside of each sleeve 13 is placed with spring 19, two springs 19 one end close to each other respectively with two 12 phases of clamping plate
Mutually separate one side is fixedly connected, one end that two springs 19 are located remotely from each other respectively close to each other with two movable plates 20 one
Side is fixedly connected.
Working principle: test tube 5 is placed in top and the holding of pedestal 1 by left hand, and the right hand rotates clockwise right side screw rod 7,
To which right side loop coil 3 is moved to the left the first slide bar 15 of right side under threaded function, to test tube 5 be clamped, if habit
The right hand takes test tube 5 then can be with the screw rod 7 on the left of left-handed operation, if test tube 5 is taken out, can be with a hand-held test tube 5, on the other hand by sleeve
13 make spring 19 overcome the elastic force of oneself and compress to the side far from test tube 5, slide sleeve 13 along support rod 14, thus side
Test tube 5 being taken out just.
In conclusion chemistry teaching test tube clamping device, can be made under the action of loop coil 3 by the way that screw rod 7 is arranged
Two slide bars 15 drive two clamping plates 12 to horizontally slip, so that the device be made to be capable of clamping the test tube 5 of different tube diameters, pass through setting branch
Strut 14, under the action of spring 19, can not only 7 holding test tubes 5 of buffer screw stem active force, effectively prevent from pressing from both sides in test tube 5
It is broken, and sleeve 13 can be made to horizontally slip, so as to which the much the same test tube of pipe diameter size 5 is quickly clamped and is taken out, and
It uses and is more convenient without adjusting screw rod 7 every time, by setting mounting plate 2 and mounting hole 8, the device can be made convenient for fixing, from
And effectively prevent the device from toppling over or falling from testing stand, and cause test tube 5 to damage, it, can be effective by the way that rubber pad 11 is arranged
Avoid clamping plate 12 from being directly in contact with test tube 5 and make to cause test tube 5 to be damaged, by the way that handwheel 9 is arranged, user can be made convenient for operation
Screw rod 7 keeps user convenient to use, by cushion 4, can effectively prevent the bottom surface of test tube 5 to be directly in contact with pedestal 1, cause
Test tube 5 collides with pedestal 1 and is damaged, and by the way that warning sign 22 is arranged, can effectively warn irrelevant personnel that must not arbitrarily adjust this
Device can make test tube 5 of different sizes that can easily be clamped.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of chemistry teaching test tube clamping device, including pedestal (1), it is characterised in that: place the top of the pedestal (1)
Have test tube (5), the upper surface of the pedestal (1) is opened up there are two symmetrical first sliding groove (10), each first sliding groove
(10) inside is connected with and first sliding groove (10) compatible first slide bar (15), each first sliding groove (10) inside
The fixation of the middle part of wall is inlaid with bearing (6), and the fixation of the lower part of each first slide bar (15) right side is inlaid with loop coil
(3), and loop coil (3) is located at the inside of first sliding groove (10), and the left and right sides of the pedestal (1) is placed with and loop coil (3) phase
The screw rod (7) of adaptation, each screw rod (7) sequentially pass through bearing (6) and loop coil (3) and prolong close to the one end of pedestal (1)
The inside of first sliding groove (10) is extended to, the outer surface of two screw rods (7) connects with the inner ring screw thread of two loop coils (3) respectively
It connects, and the outer surface of screw rod (7) left and right ends is fixedly connected with the inner ring of two bearings (6) respectively, the top of the pedestal (1)
Symmetrical sleeve (13) there are two placing, and two sleeves (13) are located at the two sides of test tube (5)；
Two sleeve (13) one sides close to each other are respectively fixedly connected with the clamping plate (12) in arc-shaped, described in two
The middle part that sleeve (13) is located remotely from each other one side offers through-hole (18), the inside of each sleeve (13) be placed with
The compatible support rod (14) of through-hole (18), the one side that two support rods (14) are located remotely from each other extend through two through-holes
(18) and extend to the outsides of sleeve (13), and the one side that is located remotely from each other of two support rods (14) respectively with two the first slide bars
(15) top of one side close to each other is fixedly connected, the middle part of each sleeve (13) inner roof wall and sleeve (13) inner bottom wall
Middle part offer second sliding slot (16), the inside of each second sliding slot (16) is connected with and second sliding slot (16) phase
The second slide bar (17) of adaptation, two support rod (14) one sides close to each other are fixedly connected to movable plate (20),
And two the second slide bars (17) one side close to each other is fixedly connected with the upper surface of movable plate (20) and bottom surface respectively, each
The inside of the sleeve (13) is placed with spring (19), and two springs (19) one end close to each other is pressed from both sides with two respectively
The one side that plate (12) is located remotely from each other is fixedly connected, one end that two springs (19) are located remotely from each other respectively with two movable plates
(20) one side close to each other is fixedly connected.
2. a kind of chemistry teaching test tube clamping device according to claim 1, it is characterised in that: the pedestal (1) is left
The lower part of right two sides is fixedly connected to mounting plate (2), and the upper surface of each mounting plate (2) offers mounting hole (8).
3. a kind of chemistry teaching test tube clamping device according to claim 1, it is characterised in that: each clamping plate
(12) one side close to test tube (5) is fixedly connected to rubber pad (11), and the vertical length value and clamping plate of rubber pad (11)
(12) vertical length value is equal.
4. a kind of chemistry teaching test tube clamping device according to claim 1, it is characterised in that: two screw rods
(7) one side being located remotely from each other is fixedly connected to handwheel (9), and handwheel (9) is located at the two sides of pedestal (1).
5. a kind of chemistry teaching test tube clamping device according to claim 1, it is characterised in that: the pedestal (1)
Upper surface is fixedly connected with and pedestal (1) compatible cushion (4), and the upper surface of cushion (4) connects with the bottom surface of test tube (5)
Touching.
6. a kind of chemistry teaching test tube clamping device according to claim 1, it is characterised in that: the pedestal (1)
Front is fixedly connected with warning sign (22), and warning sign (22) is located at the positive positive middle part of pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103949.4U CN208839631U (en) | 2018-07-12 | 2018-07-12 | A kind of chemistry teaching test tube clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103949.4U CN208839631U (en) | 2018-07-12 | 2018-07-12 | A kind of chemistry teaching test tube clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208839631U true CN208839631U (en) | 2019-05-10 |
Family
ID=66353068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821103949.4U Expired - Fee Related CN208839631U (en) | 2018-07-12 | 2018-07-12 | A kind of chemistry teaching test tube clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208839631U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354934A (en) * | 2019-07-30 | 2019-10-22 | 北京鼎翰科技有限公司 | A kind of chemical experiment teaching manually serum storing unit |
| CN111142023A (en) * | 2020-02-19 | 2020-05-12 | 中国民用航空飞行学院 | Thermal runaway test platform for non-contact simulation of overheated lithium battery |
| CN111482214A (en) * | 2020-04-01 | 2020-08-04 | 武林 | Special test tube clamping device of blood test |
| CN111569976A (en) * | 2020-05-27 | 2020-08-25 | 衡阳师范学院 | Centrifuging tube strutting arrangement |
| CN114313579A (en) * | 2021-12-23 | 2022-04-12 | 宁夏回族自治区动物疾病预防控制中心 | Quarantine blood sampling device for cow brucellosis |
-
2018
- 2018-07-12 CN CN201821103949.4U patent/CN208839631U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354934A (en) * | 2019-07-30 | 2019-10-22 | 北京鼎翰科技有限公司 | A kind of chemical experiment teaching manually serum storing unit |
| CN111142023A (en) * | 2020-02-19 | 2020-05-12 | 中国民用航空飞行学院 | Thermal runaway test platform for non-contact simulation of overheated lithium battery |
| CN111482214A (en) * | 2020-04-01 | 2020-08-04 | 武林 | Special test tube clamping device of blood test |
| CN111569976A (en) * | 2020-05-27 | 2020-08-25 | 衡阳师范学院 | Centrifuging tube strutting arrangement |
| CN111569976B (en) * | 2020-05-27 | 2022-02-01 | 衡阳师范学院 | Centrifuging tube strutting arrangement |
| CN114313579A (en) * | 2021-12-23 | 2022-04-12 | 宁夏回族自治区动物疾病预防控制中心 | Quarantine blood sampling device for cow brucellosis |
| CN114313579B (en) * | 2021-12-23 | 2023-12-22 | 宁夏回族自治区动物疾病预防控制中心 | Milk cow brucellosis quarantine blood sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20210712 |