Adjustable volumetric flask draining rack
By designing an adjustable volumetric flask drain rack, the problem of inaccurate volumetric flask results in thermal expansion and contraction of the volumetric flask is solved, and the rapid and accurate drainage of the volumetric flask is achieved, and the laboratory work efficiency is improved.
Patent Information
- Application Number
- CN202421197774.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The volumetric flask will change the volume during thermal expansion and contraction, resulting in inaccurate amounts and affecting the preparation accuracy of the solution.
An adjustable volumetric flask drain rack is designed, including a base, support column and drain plate. The height of the drain plate is fixed by locking bolts, adapting to the capacity bottles of different sizes, and a leak hole and water barrier are installed on the base to prevent Water loss.
The rapid drainage of the volumetric flask is achieved, ensuring the accuracy of measurement, avoiding the impact of thermal expansion and contraction on the volume, and improving the working efficiency of the laboratory.
Smart Images
Figure CN222428057U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to laboratory equipment, in particular to an adjustable volumetric flask drain rack. Background Art
[0002] The volumetric flask is a very common and important quantitative instrument in the laboratory. It is mainly used to prepare or dilute solutions of accurate concentration in the laboratory. It is characterized by a pear-shaped flat bottom and a slender bottleneck. It not only ensures the accuracy of solution preparation, but also ensures the safety of the laboratory and the uniformity of the sample.
[0003] The thermal expansion and contraction of the volumetric flask will change its volume, resulting in inaccurate measured volume, thus affecting the accurate preparation of the solution. Therefore, heating should not be used for drying. Utility Model Content
[0004] In order to facilitate the rapid inversion and draining of a cleaned volumetric flask, the utility model provides an adjustable volumetric flask drain rack for draining the volumetric flask.
[0005] The drain rack includes a base, a support column and a drain plate. The support column is vertically installed on the base. The drain plate is provided with a drain hole and a connecting hole. The drain hole is adapted to the lower end of the volumetric flask. A connecting sleeve is provided at the lower side of the connecting hole. The connecting hole and the connecting sleeve are adapted to the support column. The connecting sleeve is provided with a threaded hole. A matching locking bolt is provided in the threaded hole. The connecting hole and the connecting sleeve on the drain plate are sleeved on the support column. Then the drain plate is adjusted to the desired height. The drain plate can be fixed to the support column by tightening the locking bolt. The cleaned volumetric flask is clamped downward at the drain hole to drain the volumetric flask.
[0006] Furthermore, a plurality of drain holes are provided on the drain plate, so as to facilitate draining a plurality of volumetric bottles at the same time.
[0007] Furthermore, the drain hole includes a connected adapter hole and an opening, which is convenient for placing and taking out the volumetric flask.
[0008] Furthermore, the drain board is provided with several drain holes adapted to the different sizes of volumetric flasks. The drain holes may be the same size on one drain board, or the drain holes may be different sizes on one drain board, so that the corresponding drain board can be selected according to the needs.
[0009] Furthermore, the base also includes a first reinforcing plate, which is fixedly connected to the base, and the support column is connected to the first reinforcing plate to strengthen the structural strength of the base.
[0010] Furthermore, the drain board also includes a second reinforcing plate, which is arranged on the lower side of the drain board to strengthen the structural strength of the drain board.
[0011] Furthermore, the support column is provided with a plurality of slots adapted to the locking bolts, so that the locking bolts can be clamped more firmly.
[0012] Furthermore, the base is also provided with a water leakage hole and a water retaining strip, and the water retaining strip is arranged around the base to prevent water from flowing away from other parts of the base.
[0013] Furthermore, the base is also provided with a water receiving tray and a water receiving trough. The water receiving trough is arranged at the lower side of the water leakage hole, and the water receiving tray is detachably arranged in the water receiving trough to facilitate the collection of drained water.
[0014] Furthermore, the base and the drain plate are made of plexiglass.
[0015] The utility model can freely adjust the height of the drain rack according to the length of the bottleneck of the volumetric flask, and the drain plate can be replaced at will according to the specifications of the volumetric flask. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is an overall schematic diagram of the utility model;
[0018] Figure 2 It is a schematic diagram of the base of the utility model;
[0019] Figure 3 This is a schematic diagram of the upper side of the drain plate of the utility model;
[0020] Figure 4 It is a schematic diagram of the lower side of the drain plate of the utility model;
[0021] Figure 5 It is a schematic diagram of the water receiving tray of the utility model;
[0022] In the figure: 1. base; 2. support column; 3. drain plate; 4. drain hole; 5. connecting hole; 6. opening; 7. connecting sleeve; 8. locking bolt; 9. slot; 10. first reinforcing plate; 11. second reinforcing plate; 12. leakage hole; 13. water retaining strip; 14. water collecting tray; 15. water collecting trough. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1 The drain rack of this embodiment includes a base 1, a support column 2 and a drain plate 3, see Figure 2 The support columns 2 are vertically installed on the base 1. In this embodiment, two support columns 2 are taken as an example. Of course, in other embodiments, other numbers of support columns 2 can also be selected while ensuring the overall strength.
[0025] See also Figure 3 The drain plate 3 is provided with a drain hole 4 and a connecting hole 5, and the drain hole 4 is adapted to the lower end of the volumetric flask. Preferably, the drain hole 4 includes a connected adapting hole and an opening 6, which is convenient for placing and taking the volumetric flask. Figure 4 , a connecting sleeve 7 is provided at the lower side of the connecting hole 5, the connecting hole 5 and the connecting sleeve 7 are adapted to the support column 2, a threaded hole is provided on the connecting sleeve 7, and a matching locking bolt 8 is provided in the threaded hole, the connecting hole 5 and the connecting sleeve 7 on the drain plate 3 are sleeved on the support column 2, and then the drain plate 3 is adjusted to an appropriate height according to actual needs, and the drain plate 3 can be fixed on the support column 2 by tightening the locking bolt 8. Preferably, a plurality of card slots 9 adapted to the locking bolt 8 are provided on the support column 2, so that the locking bolt 8 can be clamped more firmly. The cleaned volumetric bottle mouth is clamped downwardly at the drain hole 4, and the volumetric bottle can be drained.
[0026] There are several drain holes 4 on the drain plate 3 to facilitate draining multiple volumetric bottles at the same time. This embodiment takes eight drain holes 4 as an example, which are evenly distributed on both sides of the two support columns 2. Eight volumetric bottles can be drained at the same time, and the overall load is uniform.
[0027] There can be several drain boards 3, and the drain boards 3 are provided with adaptive drain holes 4 according to the different sizes of volumetric bottles. The same size of drain holes 4 can be set on one drain board 3, or different sizes of drain holes 4 can be set on one drain board 3, so that the corresponding drain board 3 can be selected according to the needs.
[0028] In this embodiment, the base 1 further includes a first reinforcing plate 10, which is fixedly connected to the base 1, and the support column 2 is connected to the first reinforcing plate 10, and the first reinforcing plate 10 is used to strengthen the structural strength of the base 1. The drain plate 3 further includes a second reinforcing plate 11, which is arranged at the lower side of the drain plate 3 and is used to strengthen the structural strength of the drain plate 3. The second reinforcing plate 11 of this embodiment includes three longitudinal reinforcing plates and one transverse reinforcing plate.
[0029] In this embodiment, the base 1 and the drain plate 3 are preferably made of organic glass. The base 1 is also provided with a water leakage hole 12 and a water retaining strip 13. The water retaining strip 13 is arranged around the base 1 to prevent water from flowing away from other parts of the base 1. Figure 5 The base 1 is also provided with a water receiving tray 14 and a water receiving trough 15. The water receiving trough 15 is arranged at the lower side of the water leakage hole 12. The water receiving tray 14 can be detachably arranged in the water receiving trough 15 to collect the drained water.
[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. An adjustable volumetric flask drain rack, used for draining volumetric flasks, characterized in that: It includes a base, a supporting column and a drain plate. The supporting column is vertically installed on the base. The drain plate is provided with a drain hole and a connecting hole. The drain hole is adapted to the lower end of the volumetric flask. A connecting sleeve is provided on the lower side of the connecting hole. The connecting hole and the connecting sleeve are adapted to the supporting column. A threaded hole is provided on the connecting sleeve. A matching locking bolt is provided in the threaded hole. The connecting hole and the connecting sleeve on the drain plate are connected to the supporting column. Then, the locking bolt is tightened to fix the drain plate on the supporting column.
2. The adjustable volumetric flask drain rack according to claim 1, characterized in that: The drain plate is provided with a plurality of drain holes.
3. The adjustable volumetric bottle drain rack according to claim 1, characterized in that: The drain hole comprises a communicating adapting hole and an opening.
4. The adjustable volumetric bottle drain rack according to claim 1, characterized in that: The drain plates are provided with a plurality of drain holes adapted to the different sizes of the volumetric bottles.
5. The adjustable volumetric bottle drain rack according to claim 1, characterized in that: The base also includes a first reinforcing plate, which is fixedly connected to the base, and the support column is connected to the first reinforcing plate.
6. The adjustable volumetric bottle drain rack according to claim 1, characterized in that: The drain plate further comprises a second reinforcing plate, and the second reinforcing plate is arranged at the lower side of the drain plate.
7. The adjustable volumetric bottle drain rack according to claim 1, characterized in that: The supporting column is provided with a plurality of slots adapted to the locking bolts.
8. The adjustable volumetric bottle drain rack according to claim 1, characterized in that: The base is also provided with a water leakage hole and a water retaining strip, and the water retaining strip is arranged around the base.
9. The adjustable volumetric bottle drain rack according to claim 8, characterized in that: The base is also provided with a water receiving tray and a water receiving trough. The water receiving trough is arranged at the lower side of the water leakage hole, and the water receiving tray is detachably arranged in the water receiving trough.
10. The adjustable volumetric flask drain rack according to any one of claims 1 to 9, characterized in that: Base and drainboard made of plexiglass.