CN215555662U - Volumetric flask bottleneck sealing device - Google Patents
Volumetric flask bottleneck sealing device Download PDFInfo
- Publication number
- CN215555662U CN215555662U CN202121093469.6U CN202121093469U CN215555662U CN 215555662 U CN215555662 U CN 215555662U CN 202121093469 U CN202121093469 U CN 202121093469U CN 215555662 U CN215555662 U CN 215555662U
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- sealing
- piston plate
- volumetric flask
- sealing ring
- block
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- 238000007789 sealing Methods 0.000 title claims abstract description 133
- 239000000463 material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a volumetric flask bottleneck sealing device, which comprises a flask body and a flask cover arranged on the flask body, wherein a first sealing ring is arranged in the flask body, a sealing groove is formed in the first sealing ring, a sealing mechanism is arranged on the flask cover, the sealing mechanism comprises a pressing component and a sealing component arranged on the pressing component, the pressing component comprises a pressing block, a supporting rod and a piston plate, the bottom end of the pressing block is provided with the supporting rod, one end of the supporting rod, far away from the pressing block, penetrates through the flask cover and is connected with the piston plate, a spring is sleeved on the supporting rod and is positioned between the pressing block and the flask cover, the bottom end of the piston plate is provided with the sealing component, the sealing component comprises a movable rod and a second sealing ring, one end of the movable rod penetrates through the first sealing ring and is connected with the second sealing ring, the other end of the movable rod is connected with the piston plate, and the second sealing ring is provided with the sealing block. The device can make the volumetric flask have fine leakproofness, increases the shelf life of volumetric flask material.
Description
Technical Field
The utility model relates to the field of volumetric flasks, in particular to a sealing device for a bottleneck of a volumetric flask.
Background
Along with the development of society, the volumetric flask is the flat volumetric flask of thin neck pear shape, has the glass stopper of ground, has the marking on the neck, when the marking that shows liquid concave liquid level and capacity bottleneck portion under the temperature that indicates is tangent, the volume of solution volume mark on just and the bottle equals, is marked on the volumetric flask: temperature, volume, scale lines, volumetric flasks are precise instruments used to prepare solutions of a certain concentration of substance. It is a long and thin neck pear-shaped flat-bottom glass bottle with a ground glass stopper, and scales are arranged on the neck. When the volume in the bottle reaches the marked point at the specified temperature, the volume is the indicated volume, which is typically a "measured-in" volumetric bottle. But also two marked lines are engraved, the upper one indicating the measured volume. Often used in conjunction with pipettes.
The existing volumetric flask sealing device mainly comprises a flask body, a flask cover and a sealing plug, wherein the sealing plug is arranged in the flask cover, and when the flask is required to be sealed, the sealing plug is plugged into the flask body to achieve the sealing effect.
Although the existing volumetric flask can achieve the sealing effect, the bottle cap needs to be opened when the volumetric flask is used, so that impurities outside the gas can enter the flask, and the quality guarantee period of objects in the volumetric flask is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model provides a volumetric flask mouth sealing device, which solves the technical problem that in the prior art, when a flask cover needs to be opened in use, impurities outside the gas can enter the flask, so that the quality guarantee period of objects in the volumetric flask is reduced.
The technical scheme of the utility model is realized as follows:
a volumetric flask bottleneck sealing device comprises a flask body and a flask cover arranged on the flask body.
The bottle is characterized in that a first sealing ring is arranged in the bottle body, a sealing groove is formed in the first sealing ring, a sealing mechanism is arranged on the bottle cap and comprises a pressing assembly and a sealing assembly arranged on the pressing assembly.
The pressing assembly comprises a pressing block, a supporting rod and a piston plate, the supporting rod is arranged at the bottom end of the pressing block, the supporting rod is far away from one end of the pressing block, penetrates out of the bottle cap and is connected with the piston plate, a spring is sleeved on the supporting rod and is located between the pressing block and the bottle cap, and a sealing assembly is arranged at the bottom end of the piston plate.
The sealing assembly comprises a moving rod and a second sealing ring, one end of the moving rod penetrates out of the first sealing ring and is connected with the second sealing ring, the other end of the moving rod is connected with the piston plate, a sealing block is arranged on the second sealing ring and is matched with the sealing groove, a through hole is formed in the second sealing ring, and the through hole is located on one side of the sealing block.
Preferably, a first sealing gasket is arranged on the first sealing ring, and a second sealing gasket is arranged on the second sealing ring.
Preferably, a third sealing gasket is arranged on the sealing block.
Preferably, the inner wall of the bottle cap is provided with a sliding groove, and the piston plate is arranged in the sliding groove.
Preferably, a sealing layer is arranged outside the bottle body.
The utility model has the beneficial effects that: a bottle cap on the bottle body, a first sealing ring is arranged in the bottle body, a sealing groove is arranged on the first sealing ring, a sealing mechanism is arranged on the bottle cap and comprises a pressing component and a sealing component arranged on the pressing component, the sealing component is pressed by the pressing component to be separated from the sealing groove, so that an object in the volumetric bottle is discharged, when the sealing is needed, the sealing component enters the sealing groove on the first sealing ring to achieve the sealing effect when the pressing component is loosened, a supporting rod is arranged at the bottom end of the pressing block, one end of the supporting rod, far away from the pressing block, penetrates through the bottle cap and is connected with a piston plate, a spring is sleeved on the supporting rod and is positioned between the pressing block and the bottle cap, the sealing component is arranged at the bottom end of the piston plate, the pressing block is manually pressed or loosened, the supporting rod drives the piston plate to move, and the piston plate drives the sealing component to seal or pour the object, the shift lever one end runs through out first sealing washer and is connected with the second sealing washer, and the shift lever other end is connected with the piston board, be provided with the seal block on the second sealing washer, seal block and seal groove phase-match, and seted up the through-hole on the second sealing washer, the through-hole is located seal block one side, the piston board drives the shift lever and makes the second sealing washer seal block go up the seal groove or carry out the shutoff to the seal groove, make the object flow through the through-hole, the device can make the volumetric flask have fine leakproofness, increase the shelf life of volumetric flask material.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic block diagram of the whole structure of a sealing device for a volumetric flask mouth of the utility model;
FIG. 2 is a schematic structural view of an internal cross-sectional view of a sealing device for a bottle mouth of a volumetric flask according to the present invention;
FIG. 3 is a schematic structural view of a first seal ring in the sealing device of the volumetric flask mouth of the present invention;
FIG. 4 is a schematic structural view of a second sealing ring in the sealing device of the volumetric flask mouth of the present invention;
FIG. 5 is a schematic view of the mechanism of the inner wall of the cap of the sealing device for the opening of the volumetric flask according to the present invention.
Reference numerals: 1. a bottle body; 2. a bottle cap; 101. a first seal ring; 102. a sealing groove; 103. a first gasket; 201. a pressing block; 202. a support bar; 203. a piston plate; 204. a spring; 205. a travel bar; 206. a second seal ring; 207. a sealing block; 208. a through hole; 209. a second gasket; 210. a third gasket; 211. a chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a technical scheme of a volumetric flask mouth sealing device, which comprises the following steps:
the utility model provides a volumetric flask bottleneck sealing device, including bottle 1 and the bottle lid 2 of setting on bottle 1, be provided with first sealing washer 101 in the bottle 1, seal groove 102 has been seted up on the first sealing washer 101, be provided with sealing mechanism on the bottle lid 2, sealing mechanism is including pressing the subassembly and setting up the seal assembly on pressing the subassembly, press seal assembly through pressing the subassembly, make seal assembly leave seal groove 102, thereby make the object discharge in the volumetric flask, when needs are sealed, loosen and press the subassembly and make seal assembly get into seal groove 102 on the first sealing washer 101 and reach sealed effect.
Pressing the subassembly including pressing the briquetting 201, bracing piece 202 and piston plate 203, press briquetting 201 bottom to be provided with bracing piece 202, bracing piece 202 is kept away from the one end of pressing briquetting 201 and is run through bottle lid 2 and be connected with piston plate 203, and the cover is equipped with spring 204 on the bracing piece 202, spring 204 is located and presses briquetting 201 and bottle lid between 2, piston plate 203 bottom is provided with sealing assembly, manual pressing or unclamping press briquetting 201, bracing piece 202 drives piston plate 203 and removes, piston plate 203 drives sealing assembly and seals or make the object pour out.
The sealing assembly comprises a moving rod 205 and a second sealing ring 206, one end of the moving rod 205 penetrates through the first sealing ring 101 and is connected with the second sealing ring 206, the other end of the moving rod 205 is connected with the piston plate 203, a sealing block 207 is arranged on the second sealing ring 206, the sealing block 207 is matched with the sealing groove 102, a through hole 208 is formed in the second sealing ring 206, the through hole 208 is located on one side of the sealing block 207, the piston plate 203 drives the moving rod 205 to enable the sealing block 207 on the second sealing ring 206 to leave the sealing groove 102 or seal the sealing groove 102, and an object flows out through the through hole 208.
The first seal ring 101 is provided with a first seal gasket 103, the second seal ring 206 is provided with a second seal gasket 209, and the first seal ring 101 and the second seal ring 206 are sealed by the first seal gasket 103 and the second seal gasket 209, respectively.
The third sealing gasket 210 is arranged on the sealing block 207, and the sealing block 207 can achieve the sealing effect when being plugged through the third sealing gasket 210.
The inner wall of the bottle cap 2 is provided with a sliding groove 211, a piston plate 203 is arranged in the sliding groove 211, and the piston plate 203 can move through the sliding groove 211.
A sealing layer is arranged outside the bottle body 1.
The working principle and the using process of the utility model are as follows: firstly, manual pressing or unclamping press block 201, bracing piece 202 drives piston plate 203 and removes, piston plate 203 drives seal assembly and seals or makes the object pour out, make piston plate 203 can remove through spout 211, piston plate 203 drives carriage release rod 205 and makes on the second sealing washer 206 that seal block 207 leaves seal groove 102 or seals seal groove 102, make the object flow out through-hole 208, seal first sealing washer 101 and second sealing washer 206 respectively through first sealed pad 103 and the sealed pad 209 of second, make seal block 207 when the shutoff through the sealed pad 210 of third, reach sealed effect, the device can make the volumetric flask have fine leakproofness, prevent that external impurity from getting into the volumetric flask, increase the shelf life of volumetric flask material.
While there has been shown and described the fundamental principles of the utility model, the principal features and advantages thereof, it will be understood by those skilled in the art that the utility model is not limited by the foregoing embodiments, which are presently preferred and not intended to be limiting, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a volumetric flask bottleneck sealing device which characterized in that: comprises a bottle body (1) and a bottle cap (2) arranged on the bottle body (1);
a first sealing ring (101) is arranged in the bottle body (1); a sealing groove (102) is formed in the first sealing ring (101); the bottle cap (2) is provided with a sealing mechanism; the sealing mechanism comprises a pressing component and a sealing component arranged on the pressing component;
the pressing assembly comprises a pressing block (201), a supporting rod (202) and a piston plate (203); the supporting rod (202) is arranged at the bottom end of the pressing block (201); one end of the supporting rod (202), which is far away from the pressing block (201), penetrates through the bottle cap (2) and is connected with the piston plate (203), and a spring (204) is sleeved on the supporting rod (202); the spring (204) is positioned between the pressing block (201) and the bottle cap (2); the bottom end of the piston plate (203) is provided with a sealing assembly;
the seal assembly comprises a movable rod (205) and a second seal ring (206); one end of the moving rod (205) penetrates through the first sealing ring (101) and is connected with the second sealing ring (206), and the other end of the moving rod (205) is connected with the piston plate (203); a sealing block (207) is arranged on the second sealing ring (206); the sealing block (207) is matched with the sealing groove (102), and a through hole (208) is formed in the second sealing ring (206); the through hole (208) is positioned on one side of the sealing block (207).
2. The sealing device for the mouth of a volumetric flask according to claim 1, characterized in that: a first sealing gasket (103) is arranged on the first sealing ring (101), and a second sealing gasket (209) is arranged on the second sealing ring (206).
3. The sealing device for the mouth of a volumetric flask according to claim 1, characterized in that: and a third sealing gasket (210) is arranged on the sealing block (207).
4. The sealing device for the mouth of a volumetric flask according to claim 1, characterized in that: a sliding groove (211) is formed in the inner wall of the bottle cap (2), and the piston plate (203) is arranged in the sliding groove (211).
5. The sealing device for the mouth of a volumetric flask according to claim 1, characterized in that: a sealing layer is arranged outside the bottle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093469.6U CN215555662U (en) | 2021-05-20 | 2021-05-20 | Volumetric flask bottleneck sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093469.6U CN215555662U (en) | 2021-05-20 | 2021-05-20 | Volumetric flask bottleneck sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215555662U true CN215555662U (en) | 2022-01-18 |
Family
ID=79862666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121093469.6U Expired - Fee Related CN215555662U (en) | 2021-05-20 | 2021-05-20 | Volumetric flask bottleneck sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215555662U (en) |
-
2021
- 2021-05-20 CN CN202121093469.6U patent/CN215555662U/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: 20220118 |