CN209810243U - Experiment test tube support for teaching - Google Patents
Experiment test tube support for teaching Download PDFInfo
- Publication number
- CN209810243U CN209810243U CN201920330473.6U CN201920330473U CN209810243U CN 209810243 U CN209810243 U CN 209810243U CN 201920330473 U CN201920330473 U CN 201920330473U CN 209810243 U CN209810243 U CN 209810243U
- Authority
- CN
- China
- Prior art keywords
- ring sleeve
- test tube
- tube holder
- cross rod
- bracket
- 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
Links
Abstract
The utility model discloses an experimental test tube bracket for teaching, which comprises a base, a bracket and a cross rod; the bracket consists of a pair of cylindrical structures and is fixed above the base; the two ends of the cross rod are of circular ring structures, and the outer ends of the circular ring structures are provided with threaded holes penetrating through the circular ring structures; the two ends of the cross rod are sleeved and embedded on the bracket and are fixed through adjusting nuts arranged at the threaded holes; a plurality of fixing blocks with equal intervals are arranged above the cross rod; and the fixed blocks are provided with clamping devices. Compared with the prior art, the beneficial effects of the utility model are that: test tubes with different diameters and lengths can be satisfied; simple structure convenient to use simultaneously avoids the hand to snatching of test tube in the experimentation.
Description
Technical Field
The utility model relates to an experimental facilities technical field, concretely relates to experiment test tube support for teaching.
Background
The test tube rack is one kind of chemical experiment instrument. The test tube is made of wood or bamboo, and is used for placing test tubes or placing the test tubes on a test tube rack to observe the phenomenon of an experiment when the experiment is carried out. At present, most of experiment test tube supports for teaching adopt a mode of a fixed structure, so that test tube supports with corresponding sizes and specifications need to be matched due to different sizes of test tubes; in addition, the test tube is taken and placed in the experiment process, if the test tube is directly grabbed by hands, certain potential safety hazards exist, the accuracy of experiment data can be affected due to the body temperature of a human body, and if the test tube is grabbed by a test tube clamp, the problem that the test tube clamp is not matched with a test tube support and the use is inconvenient exists.
Therefore, in view of the above, it is necessary to provide an experimental test tube holder for teaching, which solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide an experimental test tube support for teaching, which is characterized in that test tubes with different diameters and different heights can be satisfied; simple structure convenient to use simultaneously avoids the hand to snatching of test tube in the experimentation.
In order to realize the purpose, the utility model adopts the technical scheme that: an experimental test tube bracket for teaching comprises a base, a bracket and a cross rod; the bracket consists of a pair of cylindrical structures and is fixed above the base; the two ends of the cross rod are of circular ring structures, and the outer ends of the circular ring structures are provided with threaded holes penetrating through the circular ring structures; the two ends of the cross rod are sleeved and embedded on the bracket and are fixed through adjusting nuts arranged at the threaded holes; a plurality of fixing blocks with equal intervals are arranged above the cross rod; and the fixed blocks are provided with clamping devices.
Preferably, the clamping device comprises a ring sleeve and a clamping plate; the ring sleeve is provided with an inner hollow structure, and the inner hollow structure of the ring sleeve is matched with the fixed block, so that the ring sleeve and the fixed block are clamped; the clamping plate is formed by symmetrically combining two omega-shaped plates, one end of the clamping plate is fixedly connected with the ring sleeve, the other end of the clamping plate is of an open structure, and a fastening nut is arranged at the end of the open structure. Through the joint of ring cover and fixed block, realized that the test tube is quick on the test-tube rack gets and put to the adjustment of opening size and the fixed of test tube are realized through splint and fastening nut's cooperation.
Preferably, a rubber pad is arranged on the inner concave surface of the omega-shaped plate.
Preferably, the rear end of the ring sleeve is provided with a threaded hole.
As optimization, an open slot is arranged above the base; a connecting rod is arranged in the open slot; and one end of the connecting rod is provided with an external connecting thread structure and is matched with a thread hole at the rear end of the ring sleeve. The connecting rod is connected with the thread eye thread of ring cover rear end through the outer connection thread structure of upper end, and the operating personnel can carry out relevant operation to the test tube through holding the connecting rod after the fastening.
Preferably, the periphery of the connecting rod is sleeved with rubber.
Preferably, one side of the upper part of the base is provided with a tray seat with an inner groove structure.
Compared with the prior art, the beneficial effects of the utility model are that: the two ends of the cross rod are connected with the bracket in a clamping sleeve mode and are fixed by using the adjusting nuts, so that an operator can adjust the cross rod in time to meet the use requirements of test tubes with different lengths; the size of the opening is adjusted by matching the clamping plate and the fastening nut, so that the use of test tubes with different calibers is met; through the joint of ring cover and fixed block, realized that the test tube is quick on the test-tube rack gets and put to add behind the ring cover and establish screw hole and connecting rod and cooperate, avoid operating personnel with hand and test tube direct contact in the experimentation.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is an enlarged front view of the three-dimensional structure of the holding device of the present invention.
Fig. 3 is an enlarged rear view of the three-dimensional structure of the holding device of the present invention.
Wherein, base 1, support 2, horizontal pole 3, adjusting nut 4, tray seat 5, fixed block 6, ring cover 7, "omega" shaped plate 8, fastening nut 9, open slot 10, connecting rod 11, screw hole 12.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the following detailed description is provided in conjunction with the accompanying drawings: an experiment test tube bracket for teaching comprises a base 1, a bracket 2 and a cross rod 3; the bracket 2 consists of a pair of cylindrical structures and is fixed above the base 1; the two ends of the cross rod 3 are of circular ring structures, and the outer ends of the circular ring structures are provided with threaded holes penetrating through the circular ring structures; the two ends of the cross rod 3 are sleeved and embedded on the bracket 2 and are fixed through adjusting nuts 4 arranged at threaded holes; a plurality of fixing blocks 6 with equal intervals are arranged above the cross rod 3; and the fixed blocks 6 are provided with clamping devices.
The clamping device comprises a ring sleeve 7 and a clamping plate; the ring sleeve 7 is provided with an inner hollow structure, and the inner hollow structure of the ring sleeve 7 is matched with the fixed block 6, so that the ring sleeve 7 is clamped with the fixed block 6; the clamping plate is formed by symmetrically combining two omega-shaped plates 8, one end of each clamping plate is fixedly connected with the ring sleeve 7, the other end of each clamping plate is of an open structure, and a fastening nut 9 is arranged at the end of the open structure. Through the joint of ring cover and fixed block, realized that the test tube is quick on the test-tube rack gets and put to the adjustment of opening size and the fixed of test tube are realized through splint and fastening nut's cooperation.
And a rubber pad is arranged on the concave surface of the omega-shaped plate 8.
The rear end of the ring sleeve 7 is provided with a threaded hole 12.
An open slot 10 is arranged above the base 1; a connecting rod 11 is arranged in the open slot 10; one end of the connecting rod 11 is provided with an external connection thread structure and is matched with a thread hole 12 at the rear end of the ring sleeve 7. The connecting rod is connected with the thread eye thread of ring cover rear end through the outer connection thread structure of upper end, and the operating personnel can carry out relevant operation to the test tube through holding the connecting rod after the fastening.
The periphery of the connecting rod 11 is sleeved with rubber.
And a tray seat 5 with an inner groove structure is arranged on one side above the base 1.
The specific implementation mode is as follows:
firstly, adjusting nuts 4 at two ends of a cross rod 3 to enable the height of the cross rod 3 to be matched with a test tube to be used; then the test tube is fixed with the clamping device by adjusting the fastening nut 9, and finally the test tube is connected with the connecting rod 11 by the thread hole 12 at the rear end of the ring sleeve 7. The subsequent test that carries out relevant through connecting rod 11 to the test tube of operating personnel can. When the test tube is placed on the test-tube rack as required, the fixing function is realized through the clamping connection of the ring sleeve 7 and the fixing block 6, meanwhile, the connecting rod 11 is directly rotated, and the connecting rod 11 is detached in a threaded mode.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, any suitable changes or modifications to the test tube holder for teaching and any person of ordinary skill in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides an experiment test tube holder for teaching which characterized in that: comprises a base (1), a bracket (2) and a cross bar (3); the bracket (2) is composed of a pair of cylindrical structures and is fixed above the base (1); the two ends of the cross rod (3) are of circular ring structures, and the outer ends of the circular ring structures are provided with threaded holes penetrating through the circular ring structures; the two ends of the cross rod (3) are sleeved on the support (2) and fixed through adjusting nuts (4) arranged at the threaded holes; a plurality of fixing blocks (6) with equal intervals are arranged above the cross rod (3); and the fixed blocks (6) are provided with clamping devices.
2. An experimental tube holder for teaching according to claim 1, characterized in that: the clamping device comprises a ring sleeve (7) and a clamping plate; the ring sleeve (7) is provided with an inner hollow structure, and the inner hollow structure of the ring sleeve (7) is matched with the fixed block (6), so that the ring sleeve (7) and the fixed block (6) are clamped; the clamping plate is formed by symmetrically combining two omega-shaped plates (8), one end of each omega-shaped plate is fixedly connected with the ring sleeve (7), the other end of each omega-shaped plate is of an open structure, and a fastening nut (9) is arranged at the end of the open structure.
3. An experimental tube holder for teaching according to claim 2, characterized in that: the concave surface of the omega-shaped plate (8) is provided with a rubber pad.
4. An experimental tube holder for teaching according to claim 2, characterized in that: the rear end of the ring sleeve (7) is provided with a threaded hole (12).
5. An experimental tube holder for teaching according to claim 4, characterized in that: an open slot (10) is arranged above the base (1); a connecting rod (11) is arranged in the open slot (10); one end of the connecting rod (11) is provided with an external connecting thread structure and is matched with a thread hole (12) at the rear end of the ring sleeve (7).
6. An experimental tube holder for teaching according to claim 5, wherein: the periphery of the connecting rod (11) is sleeved with rubber.
7. An experimental tube holder for teaching according to claim 1, characterized in that: and a tray seat (5) with an inner groove structure is arranged on one side above the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330473.6U CN209810243U (en) | 2019-03-15 | 2019-03-15 | Experiment test tube support for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330473.6U CN209810243U (en) | 2019-03-15 | 2019-03-15 | Experiment test tube support for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209810243U true CN209810243U (en) | 2019-12-20 |
Family
ID=68875744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920330473.6U Expired - Fee Related CN209810243U (en) | 2019-03-15 | 2019-03-15 | Experiment test tube support for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209810243U (en) |
-
2019
- 2019-03-15 CN CN201920330473.6U patent/CN209810243U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20191220 Termination date: 20210315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |