CN211262883U - Sealed reinforced negative pressure gas collection device - Google Patents
Sealed reinforced negative pressure gas collection device Download PDFInfo
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- CN211262883U CN211262883U CN201921823195.4U CN201921823195U CN211262883U CN 211262883 U CN211262883 U CN 211262883U CN 201921823195 U CN201921823195 U CN 201921823195U CN 211262883 U CN211262883 U CN 211262883U
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- gas collection
- negative pressure
- gas
- seal
- pull rod
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Abstract
The utility model discloses a sealed negative pressure gas collection device of strengthening, include: the gas collection bottle body, the plunger and the gas control assembly, be provided with the round layer board on the opening at gas collection bottle body top, the plunger top is provided with the apron that is located the layer board top, apron bottom surface and layer board top surface indent are provided with the outside extended ring channel of slant, be provided with the round between layer board and the apron around on the local excircle of plunger and extend to the sealing medium in the ring channel, gas collection bottle body bottom is provided with the gas control pipe of downwardly extending, the gas control pipe excircle is provided with the air cock that extends to one side, the gas control assembly includes that pull rod and interval set up the several elastic sealing spheroid on the pull rod, the pull rod inserts the gas control pipe from the bottom. In this way, sealed negative pressure gas collection device of strengthening, the sealed effect of the structural stability of plunger and bottleneck has been promoted, the gas leakage problem of accuse trachea port has been avoided, the precision of gaseous collection has been promoted.
Description
Technical Field
The utility model relates to an environmental detection technical field especially relates to a sealed negative pressure gas collection device of strengthening.
Background
For a long time, the development of industry has led to the aggravation of environmental pollution, wherein, river and air pollution have seriously influenced people's production and life, and in order to promote the human environment, the treatment of sewage and haze is all being strengthened in all districts.
The air pollution treatment can not be collected and detected. The collection of air can adopt the negative pressure bottle to carry out the on-the-spot collection, carries out the shutoff of air cock after the collection is accomplished, but current negative pressure bottle leakproofness is poor, still leads to the gas leakage problem easily among the operation process, has influenced gaseous collection precision, needs the improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a sealed negative pressure gas collection device of strengthening, promotes sealed effect, avoids the gas leakage problem after operation process and the gaseous collection.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a sealed reinforced negative pressure gas collecting device, includes: the gas collection bottle body, the plunger and the gas control assembly, be provided with the round layer board on the opening at gas collection bottle body top, the plunger sets up and seals in the opening at gas collection bottle body top, the plunger top is provided with the apron that is located the layer board top, apron bottom surface and layer board top surface indent are provided with the outside ring channel that extends in the slant, be provided with the round around the sealing medium who just extends to the ring channel on the local excircle of plunger between layer board and the apron, gas collection bottle body bottom is provided with the gas control pipe of downwardly extending, the gas control pipe excircle is provided with the air cock that extends to one side, the gas control assembly includes that pull rod and interval set up the several elastic seal spheroid on the pull rod, after the pull rod inserts the gas control pipe from the bottom, close and the opening of air cock through the several elastic seal spheroid.
In a preferred embodiment of the present invention, the sealing medium is a sealant or a sealing wax.
In a preferred embodiment of the present invention, the air faucet is provided with a sealing rubber sleeve.
In a preferred embodiment of the present invention, the elastic sealing ball is an elastic rubber ball, and the diameter of the elastic sealing ball is larger than the inner diameter of the gas control pipe and is squeezed into the gas control pipe.
In a preferred embodiment of the present invention, the pull rod is radially provided with positioning through holes corresponding to the elastic sealing balls one by one, and the elastic sealing balls are vulcanized and fixed on the outer circle of the pull rod where the positioning through holes are located.
In a preferred embodiment of the present invention, a pull ring is disposed at the bottom of the pull rod.
In a preferred embodiment of the present invention, the support plate, the gas collection bottle body, the gas control pipe and the gas nozzle are of an integrated glass structure.
In a preferred embodiment of the present invention, the number of the elastic sealing balls is at least 3.
The utility model has the advantages that: the utility model discloses a sealed negative pressure gas collection device of strengthening, the ring channel has been designed very much, with the sealing medium cooperation, the structural stability of plunger and the sealed effect of bottleneck have been promoted, and close and open of air cock through the elastic sealing spheroid, avoid the gas leakage problem of accuse trachea port, after gas collection accomplishes, realize the tracheal sealed of accuse through the elastic sealing spheroid, the influence of outside air to the internal gas of gas collection bottle has been avoided, the precision of gas collection has been promoted greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a seal-enhanced negative pressure gas collection apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the drawbar of FIG. 1;
fig. 3 is a schematic structural diagram of a preferred embodiment of the sealed and reinforced negative pressure gas collection device of the present invention for collecting air.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
the seal-reinforced negative pressure gas collection device shown in fig. 1 comprises: the gas collection bottle body 1, the plunger 3 and accuse gas subassembly, be provided with round annular layer board 2 on the opening at gas collection bottle body 1 top, the plunger 3 sets up and seals in the opening at gas collection bottle body 1 top, the plunger 3 top is provided with the apron 5 that is located layer board 2 top, and plunger 3 and apron 5 are integrated glass structure, stable in structure.
The bottom surface of the cover plate 5 and the top surface of the supporting plate 2 are concavely provided with annular grooves 6 extending outwards in an inclined mode, a circle of sealing medium 4 surrounding the local excircle of the plunger 3 and extending into the annular grooves 6 is arranged between the supporting plate 2 and the cover plate 5, the sealing medium 4 is sealant or sealing wax, and the axial stability of the plunger 3 and the sealing effect of the top opening of the gas collection bottle body 1 are improved through the matching of the sealing medium 4 and the annular grooves 6.
The gas collection bottle body 1 bottom is provided with downwardly extending's accuse trachea 11, as shown in fig. 3, be provided with the air cock 13 that extends to one side on the accuse trachea 11 excircle, be provided with sealed gum cover 8 on the air cock 13, sealed gum cover 8 carries out the sealed of air cock 13 at ordinary times, need dismantle sealed gum cover 8 when bleeding, utilizes air exhaust device and is connected with air cock 13, forms negative pressure environment in gas collection bottle body 1.
The gas control assembly includes a pull rod 9 and a plurality of elastic sealing balls 7 disposed on the pull rod 9 at intervals, as shown in fig. 1 and fig. 3, in this embodiment, the number of the elastic sealing balls 7 is 3, the elastic sealing balls 7 are elastic rubber balls, and the diameter of the elastic sealing balls 7 is slightly larger than the inner diameter of the gas control pipe 11 and is squeezed into the gas control pipe 11 to control the gas control pipe.
After the pull rod 9 is inserted into the air control pipe 11 from the bottom, the air control pipe 11 is closed and the air nozzle 13 is closed and opened through the 3 elastic sealing balls 7. The bottom of the pull rod 9 is provided with a pull ring 10, so that the operation of the pull rod 9 is convenient to perform, as shown in fig. 3, when the pull rod 9 is pulled down to enable the elastic sealing ball at the top to fall to the position of the air tap 13 and below, a channel between the air tap 13 and the gas collection bottle body 1 is opened, so that the gas collection bottle body 1 is convenient to perform vacuumizing or gas collection, at the moment, the lower part of the gas control pipe 11 is blocked by 2 elastic sealing balls at the lower part, the gas is prevented from entering and exiting from the bottom of the gas control pipe 11, and the gas tightness is good.
When the elastic sealing ball at the top rises to the position of the air tap 13, the passage between the air tap 13 and the air collecting bottle body 1 is cut off, and as shown in fig. 1, when 2 elastic sealing balls are simultaneously positioned above the position of the air tap 13, the air tightness of the closed passage is ensured.
As shown in fig. 2, the pull rod 9 is radially provided with positioning through holes 12 corresponding to the elastic sealing balls 7 one by one, the elastic sealing balls 7 are vulcanized and fixed on the outer circle of the pull rod 9 where the positioning through holes 12 are located, and part of rubber enters the positioning through holes 12, so that the structural stability of the elastic sealing balls 7 on the pull rod 9 is improved.
The supporting plate 2, the gas collecting bottle body 1, the gas control pipe 11 and the gas nozzle 13 are of an integrated glass structure, the structure is firm, the gas tightness is good, no adverse effect is caused to collected gas, and the detection accuracy is favorably improved.
To sum up, the utility model discloses a sealed negative pressure gas collection device of strengthening who points out can carry out gaseous quick collection, has promoted the gas tightness of gathering and transportation, avoids the outside air to the gaseous harmful effects of gathering, ensures the precision of gaseous collection.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (8)
1. A sealed reinforced negative pressure gas collection device, comprising: the gas collection bottle body, the plunger and the gas control assembly, be provided with the round layer board on the opening at gas collection bottle body top, the plunger sets up and seals in the opening at gas collection bottle body top, the plunger top is provided with the apron that is located the layer board top, apron bottom surface and layer board top surface indent are provided with the outside ring channel that extends in the slant, be provided with the round around the sealing medium who just extends to the ring channel on the local excircle of plunger between layer board and the apron, gas collection bottle body bottom is provided with the gas control pipe of downwardly extending, the gas control pipe excircle is provided with the air cock that extends to one side, the gas control assembly includes that pull rod and interval set up the several elastic seal spheroid on the pull rod, after the pull rod inserts the gas control pipe from the bottom, close and the opening of air cock through the several elastic seal spheroid.
2. The seal-enhanced negative pressure gas collection apparatus of claim 1, wherein the sealing medium is a sealant or a sealing wax.
3. The seal-enhanced negative pressure gas collection device according to claim 1, wherein a seal rubber sleeve is arranged on the gas nipple.
4. The seal-enhanced negative pressure gas collection device according to claim 1, wherein the elastic sealing sphere is an elastic rubber sphere, and the diameter of the elastic sealing sphere is larger than the inner diameter of the gas control pipe and is extruded into the gas control pipe.
5. The seal-enhanced negative pressure gas collection device according to claim 4, wherein the pull rod is radially provided with positioning through holes corresponding to the elastic sealing balls one by one, and the elastic sealing balls are vulcanized and fixed on the outer circle of the pull rod on which the positioning through holes are arranged.
6. The seal-enhanced negative pressure gas collection apparatus of claim 1, wherein a pull ring is provided at the bottom of the pull rod.
7. The seal-enhanced negative pressure gas collection device of claim 1, wherein the support plate, the gas collection bottle body, the gas control tube and the gas nipple are of an integrated glass structure.
8. The seal-enhanced negative pressure gas collection apparatus of claim 1, wherein the number of resilient seal spheres is at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823195.4U CN211262883U (en) | 2019-10-28 | 2019-10-28 | Sealed reinforced negative pressure gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823195.4U CN211262883U (en) | 2019-10-28 | 2019-10-28 | Sealed reinforced negative pressure gas collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262883U true CN211262883U (en) | 2020-08-14 |
Family
ID=71959637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921823195.4U Active CN211262883U (en) | 2019-10-28 | 2019-10-28 | Sealed reinforced negative pressure gas collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262883U (en) |
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2019
- 2019-10-28 CN CN201921823195.4U patent/CN211262883U/en active Active
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