CN205120681U - Force (forcing) pump sealing device - Google Patents
Force (forcing) pump sealing device Download PDFInfo
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- CN205120681U CN205120681U CN201520453793.2U CN201520453793U CN205120681U CN 205120681 U CN205120681 U CN 205120681U CN 201520453793 U CN201520453793 U CN 201520453793U CN 205120681 U CN205120681 U CN 205120681U
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- pump
- forcing
- force
- seal casinghousing
- way pipe
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Abstract
The utility model discloses a force (forcing) pump sealing device, including force (forcing) pump, seal shell, three -way pipe and check valve, force (forcing) pump, three -way pipe and check valve are all installed in the seal shell, the last seal installation of seal shell has intake pipe and outlet duct, the outer end of intake pipe and outlet duct all is located outside the seal shell, the inner of intake pipe and outlet duct all is located seal shell, the inner of intake pipe is connected with the first opening of three -way pipe, the second opening and the air inlet of force (forcing) pump of three -way pipe are connected, the third opening and the interior sealed chamber intercommunication that forms of seal shell of three -way pipe, the gas outlet and the check valve of force (forcing) pump are connected, the check valve is connected with the inner of outlet duct. The utility model discloses effectively avoid the appearance of the gaseous phenomenon of feeling suffocated of sampling in seal shell to the furthest guarantee is retrieved reliably and is utilized by tracer gas.
Description
Technical field
The utility model belongs to force (forcing) pump technical field, particularly relates to a kind of force (forcing) pump packoff.
Background technology
In commercial production, in on-line monitoring technique field that is poisonous, that be harmful to, have dusty gas, usually need to follow No leakage, pollution-free principle, therefore, leak to prevent gas-monitoring and human body and environment are worked the mischief, often need by force (forcing) pump, gas sampled to be pushed back in apparatus body.
At present, there is the miniature force (forcing) pump of many manufacturer production, but all there is the functional defect of Leakage Gas, in poisonous, harmful gas on-line monitoring, can not directly apply, therefore, the force (forcing) pump packoff designing a kind of safe and reliable, good seal, do not reveal is needed, to ensure the reliable Collection and utilization of monitored gas.
Utility model content
The purpose of this utility model is to provide a kind of force (forcing) pump packoff, and it can ensure sealing and the reliability of force (forcing) pump, ensures effective Collection and utilization of monitored gas.
The utility model solves the technical scheme that its technical matters adopts:
A kind of force (forcing) pump packoff is provided, this device comprises force (forcing) pump, this device also comprises seal casinghousing, three-way pipe and retaining valve, described force (forcing) pump, three-way pipe and retaining valve are installed in described seal casinghousing, described seal casinghousing is sealed and installed with draft tube and escape pipe, the outer end of described draft tube and escape pipe is all positioned at outside seal casinghousing, the inner of described draft tube and escape pipe is all positioned at seal casinghousing, the inner of described draft tube is connected with the first opening of three-way pipe, second opening of described three-way pipe is connected with the air intake opening of force (forcing) pump, 3rd opening of described three-way pipe is communicated with the annular seal space formed in seal casinghousing, the gas outlet of described force (forcing) pump is connected with retaining valve, described retaining valve is connected with the inner of escape pipe.
By technique scheme, described seal casinghousing comprises the upper shell and lower house that are tightly connected.
By technique scheme, described draft tube and escape pipe sealing are arranged on lower house.
By technique scheme, described force (forcing) pump is arranged in lower house by pump fixed mount.
By technique scheme, between described pump fixed mount and lower house, yielding rubber is installed.
By technique scheme, the top of described upper shell offers several radiating grooves, and the top of described radiating groove is provided with radiator fan.
By technique scheme, described lower house is provided with connection jaws, and described connection jaws is sealed by glass capsulation joint.
The beneficial effect that the utility model produces is: this device is by being placed in seal casinghousing by force (forcing) pump, to ensure sealing and the reliability of whole force (forcing) pump, start force (forcing) pump, sample gas enters from draft tube, through three-way pipe, force (forcing) pump, retaining valve, escape pipe flows out, fractional-sample gas enters seal casinghousing by the 3rd opening of three-way pipe, due to the leakage of force (forcing) pump self, the sample gas that part sucks force (forcing) pump also can enter seal casinghousing, force (forcing) pump constantly works, the sample gas of seal casinghousing inside is constantly inhaled in force (forcing) pump, and pass through retaining valve, escape pipe flows out, the reliable Collection and utilization of sample gas can be ensured to greatest extent, simultaneously, can also ensure in pressure process, sample gas in seal casinghousing is extracted out, effectively prevent seal casinghousing to feel suffocated phenomenon.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic flow sheet of the utility model embodiment;
Fig. 2 is the three-dimensional plot of the utility model embodiment;
Fig. 3 is the vertical view of the utility model embodiment;
Fig. 4 is the cut-open view along A-A line in Fig. 3;
Fig. 5 is the cut-open view along B-B line in Fig. 3.
In figure: 1-seal casinghousing, 101-upper shell, 102-lower house, 103-annular seal space, 3-draft tube, 4-escape pipe, 5-connection jaws, 6-radiating groove, 7-pump fixed mount, 8-yielding rubber, 9-retaining valve, 10-three-way pipe, 11-force (forcing) pump, 12-radiator fan.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Figure 1-Figure 5, a kind of force (forcing) pump packoff, this device comprises force (forcing) pump 11, seal casinghousing 1, three-way pipe 10 and retaining valve 9, force (forcing) pump 11, three-way pipe 10 and retaining valve 9 are installed in seal casinghousing 1, seal casinghousing 1 is sealed and installed with draft tube 3 and escape pipe 4, the outer end of draft tube 3 and escape pipe 4 is all positioned at outside seal casinghousing 1, the inner of draft tube 3 and escape pipe 4 is all positioned at seal casinghousing 1, the inner of draft tube 3 is connected with the first opening of three-way pipe 10, second opening of three-way pipe 10 is connected with the air intake opening of force (forcing) pump 11, 3rd opening of three-way pipe 10 is communicated with the annular seal space 103 formed in seal casinghousing 1, the gas outlet of force (forcing) pump 11 is connected with retaining valve 9, retaining valve 9 is connected with the inner of escape pipe 4.
In preferred embodiment of the present utility model, as shown in Figure 2, seal casinghousing 1 comprises the upper shell 101 and lower house 102 that are tightly connected.
In preferred embodiment of the present utility model, as shown in Figure 2, draft tube 3 and escape pipe 4 sealing are arranged on lower house 102.
In preferred embodiment of the present utility model, as shown in Figure 5, force (forcing) pump 11 is arranged in lower house 102 by pump fixed mount 7.
In preferred embodiment of the present utility model, as shown in Figure 5, between pump fixed mount 7 and lower house 102, yielding rubber 8 is installed.
In preferred embodiment of the present utility model, as shown in Fig. 2, Fig. 4, Fig. 5, the top of upper shell 101 offers several radiating grooves 6, and the top of radiating groove 6 is provided with radiator fan 12.
In preferred embodiment of the present utility model, as shown in Figure 2, lower house 102 is provided with connection jaws 5, and connection jaws 5 is sealed by glass capsulation joint.
The utility model is applied in hyperchannel sulfur hexafluoride insulation electrical equipment on-line sampling monitoring system, as Figure 2-Figure 5, force (forcing) pump 11 is fixed in lower house 102 by pump fixed mount 7, yielding rubber 8 is mounted between pump fixed mount 7 and lower house 102, for reducing the vibration of force (forcing) pump 11 in startup and work to the impact of whole seal casinghousing.The air intake opening of force (forcing) pump 11 is connected with three-way pipe 10, the gas outlet of force (forcing) pump 11 is connected with retaining valve 9, three-way pipe 10 is connected with draft tube 3 and escape pipe 4 respectively with retaining valve 9, and draft tube and escape pipe are airtight tracheae, can select copper pipe or stainless-steel tube as required.By upper shell 101 with lower house 102 each other to dress, form overall seal casinghousing 1, form annular seal space 103 in seal casinghousing 1, the 3rd opening of three-way pipe 10 is directly communicated with annular seal space 103.Lower house 102 is provided with connection jaws 5, and connection jaws 5 adopts the mode of mounting glass sealing adaptor on lower house to seal, and to prevent Leakage Gas, electric wire is connected with the power supply port of force (forcing) pump by connection jaws, realizes powering to force (forcing) pump.At the top of upper shell 101 processing radiating groove 6, with increasing heat radiation area, radiator fan 12 is set at the top of radiating groove simultaneously, to increase the flowing of gas, improves heat dispersion, to ensure the working temperature of force (forcing) pump.
During work, sucked by sulfur hexafluoride gas by force (forcing) pump from draft tube, portion gas enters in seal casinghousing by the 3rd interface of three-way pipe, and due to the leakage of force (forcing) pump self, the sulfur hexafluoride that part sucks force (forcing) pump also can enter seal casinghousing.Force (forcing) pump constantly works, and the sulfur hexafluoride gas of enclosure interior is constantly sucked the pump housing, and sends back to monitoring body from the escape pipe of seal casinghousing, avoids the generation of feeling suffocated of sample gas in housing.Retaining valve is arranged between force (forcing) pump and escape pipe, and the gas extracted out when quitting work for preventing pump returns, and also ensure that the concentration of monitored gas in body to greatest extent.The utility model is sealed whole force (forcing) pump by upper-lower casing, and three-way pipe and retaining valve are in the acting in conjunction of force (forcing) pump air inlet/outlet, effectively prevent sample gas to feel suffocated in seal casinghousing the appearance of phenomenon, and ensure detected gas reliable Collection and utilization to greatest extent, achieve the application of miniature force (forcing) pump in the on-line monitoring of poisonous, harmful gas.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (7)
1. a force (forcing) pump packoff, this device comprises force (forcing) pump, it is characterized in that, this device also comprises seal casinghousing, three-way pipe and retaining valve, described force (forcing) pump, three-way pipe and retaining valve are installed in described seal casinghousing, described seal casinghousing is sealed and installed with draft tube and escape pipe, the outer end of described draft tube and escape pipe is all positioned at outside seal casinghousing, the inner of described draft tube and escape pipe is all positioned at seal casinghousing, the inner of described draft tube is connected with the first opening of three-way pipe, second opening of described three-way pipe is connected with the air intake opening of force (forcing) pump, 3rd opening of described three-way pipe is communicated with the annular seal space formed in seal casinghousing, the gas outlet of described force (forcing) pump is connected with retaining valve, described retaining valve is connected with the inner of escape pipe.
2. device according to claim 1, is characterized in that, described seal casinghousing comprises the upper shell and lower house that are tightly connected.
3. device according to claim 2, is characterized in that, described draft tube and escape pipe sealing are arranged on lower house.
4. device according to claim 2, is characterized in that, described force (forcing) pump is arranged in lower house by pump fixed mount.
5. device according to claim 4, is characterized in that, is provided with yielding rubber between described pump fixed mount and lower house.
6. device according to claim 2, is characterized in that, the top of described upper shell offers several radiating grooves, and the top of described radiating groove is provided with radiator fan.
7. device according to claim 2, is characterized in that, described lower house is provided with connection jaws, and described connection jaws is sealed by glass capsulation joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453793.2U CN205120681U (en) | 2015-06-29 | 2015-06-29 | Force (forcing) pump sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453793.2U CN205120681U (en) | 2015-06-29 | 2015-06-29 | Force (forcing) pump sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205120681U true CN205120681U (en) | 2016-03-30 |
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ID=55576276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520453793.2U Active CN205120681U (en) | 2015-06-29 | 2015-06-29 | Force (forcing) pump sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205120681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897862A (en) * | 2015-06-29 | 2015-09-09 | 中冶南方工程技术有限公司 | Pressure pump sealing device |
-
2015
- 2015-06-29 CN CN201520453793.2U patent/CN205120681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897862A (en) * | 2015-06-29 | 2015-09-09 | 中冶南方工程技术有限公司 | Pressure pump sealing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |