CN203906256U - Hand-operated fluid supplementing pump for mechanical seal flushing system - Google Patents
Hand-operated fluid supplementing pump for mechanical seal flushing system Download PDFInfo
- Publication number
- CN203906256U CN203906256U CN201420304323.5U CN201420304323U CN203906256U CN 203906256 U CN203906256 U CN 203906256U CN 201420304323 U CN201420304323 U CN 201420304323U CN 203906256 U CN203906256 U CN 203906256U
- Authority
- CN
- China
- Prior art keywords
- pressure chamber
- piston body
- pump
- sealing
- pump housing
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 14
- 238000011010 flushing procedure Methods 0.000 title abstract 4
- 230000001502 supplementing effect Effects 0.000 title abstract 4
- 238000007789 sealing Methods 0.000 claims description 41
- 239000002828 fuel tank Substances 0.000 claims description 25
- 229920001971 elastomer Polymers 0.000 claims description 18
- 239000000806 elastomer Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 12
- 238000001802 infusion Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to a pump, in particular to a hand-operated fluid supplementing pump for a mechanical seal flushing system. According to the technical scheme, the hand-operated fluid supplementing pump for the mechanical seal flushing system comprises an oil tank body and a pump body, the pump body and the oil tank body are communicated through a connection channel, the pump body is provided with an oil outlet end communicated with an external pipeline, a one-way valve preventing oil entering the pump body from flowing back to the oil tank body is arranged in the connection channel, a pressure cavity is arranged in the pump body, a piston body which can open the one-way valve and absorb the oil in the oil tank body into the pressure cavity, an installation opening for installation of the piston body is formed in the pressure cavity, a spring abutting against the piston body is arranged in the pressure cavity, an operation handle in linkage with the piston body is arranged on the pump body, and a seal piece is arranged between the outer wall of the piston body and the inner wall of the pressure cavity. By the adoption of the technical scheme, the hand-operated fluid supplementing pump for the mechanical seal flushing system is good in seal performance and simple in structure.
Description
Technical field
The utility model relates to a kind of pump, particularly a kind of manual fluid infusion pump for mechanical seal rinsing system.
Background technique
Fluid infusion pump is a kind of instrument that can be to compensation medium and pressure in the pipeline decorum, and the pressure of pipe-line system inside is balanced.Traditional fluid infusion pump is mainly by fuel tank tank body and the pump housing that is communicated with fuel tank tank body, between the pump housing and fuel tank tank body, by connecting passage, be communicated with, the pump housing is provided with the oil outlet end being communicated with external pipe, in connecting passage, be provided with the oil that prevents from entering in the pump housing and be back to the one-way valve in fuel tank tank body, in the pump housing, be provided with pressure chamber, in pressure chamber, being provided with can open check valve and by the oily suction pressure chamber in fuel tank tank body, then oil is delivered to the piston body in pipeline by oil outlet end, in use, after rubbing for a long time between piston body and the inwall of pressure chamber, cause in piston or pressure chamber inner wall abrasion, sealing is difficult to guarantee.
Summary of the invention
The deficiency existing for prior art, the utility model provides a kind of good airproof performance, the manual fluid infusion pump for mechanical seal rinsing system simple in structure.
For achieving the above object, the utility model provides following technological scheme: a kind of manual fluid infusion pump for mechanical seal rinsing system, the pump housing that includes fuel tank tank body and be communicated with fuel tank tank body, between the pump housing and fuel tank tank body, by connecting passage, be communicated with, the pump housing is provided with the oil outlet end being communicated with external pipe, in connecting passage, be provided with the oil that prevents from entering in the pump housing and be back to the one-way valve in fuel tank tank body, in the pump housing, be provided with pressure chamber, in pressure chamber, being provided with can open check valve and by the piston body in the oily suction pressure chamber in fuel tank tank body, on pressure chamber, offer the construction opening of installing for piston body, in pressure chamber, be provided with the spring of conflicting with piston body, the pump housing is provided with the operating grip being connected with piston body, it is characterized in that: between the outer wall of described piston body and the inwall of pressure chamber, be provided with Sealing, the seal include be sheathed on piston body outer wall and with the seal ring of pressure chamber inner wall sealing, the construction opening place of pressure chamber offers sealing shoulder rank, piston body is positioned at place, sealing shoulder rank and is provided with elastomer seal, this elastomer seal offers and the sealing surface that seals shoulder rank adaptation on the end face on sealing shoulder rank.
Adopt technique scheme, by Sealing being set between piston body and the inwall of pressure chamber, make to keep sealing between piston body and the inwall of pressure chamber, and the impaired rear replacing of Sealing is convenient, replacement cost is cheap; The elastomer seal corresponding and adaptive with sealing shoulder rank arranging on the sealing shoulder rank that the construction opening place of pressure chamber arranges and piston body can guarantee the sealing at pressure chamber construction opening place, and the oil that prevents from entering in pressure chamber is leaked by construction opening place.
The utility model is further set to: elastomer seal is seal ring, and elastomer seal offers elastic opening with respect to the other end place that sealing surface one end is set.
Adopt technique scheme, arrange so simple in structurely, this elastomer seal in use can produce elasticity by elastic opening, has improved sealing, has also extended the working life of elastomer seal simultaneously.
The utility model is further set to: fuel tank tank body is provided with the oil outlet extending in connecting passage, the steel ball that one-way valve includes Compress Spring and conflicts with Compress Spring, and steel ball and oil outlet are conflicted and are sealed.
Adopt technique scheme, setting not only makes to be connected more stablely between fuel tank tank body and the pump housing like this, and can shorten the length of Compress Spring in one-way valve, thus the stability when improving steel ball and sealing.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the I portion enlarged diagram of Fig. 1.
Embodiment
As Fig. 1, a kind of manual fluid infusion pump for mechanical seal rinsing system shown in Fig. 2, the pump housing 2 that includes fuel tank tank body 1 and be communicated with fuel tank tank body 1, between the pump housing 2 and fuel tank tank body 1, by connecting passage 21, be communicated with, the pump housing 21 is provided with the oil outlet end 22 being communicated with external pipe, in connecting passage 21, be provided with the oil that prevents from entering in the pump housing 1 and be back to the one-way valve 3 in fuel tank tank body 1, in the pump housing 2, be provided with pressure chamber 23, in pressure chamber 23, being provided with can open check valve 3 and by the piston body 24 in the oily suction pressure chamber 23 in fuel tank tank body 1, on pressure chamber 24, offer the construction opening 231 of installing for piston body 24, in pressure chamber 23, be provided with the spring 25 of conflicting with piston body 24, the pump housing 2 is provided with the operating grip 26 being connected with piston body 24, between the inwall of the outer wall of piston body 24 and pressure chamber 23, be provided with Sealing 5, the seal 5 include be sheathed on piston body 24 outer walls and with the seal ring of pressure chamber 23 inner wall sealings, construction opening 231 places of pressure chamber 23 offer sealing shoulder rank 232, piston body 24 is positioned at sealing shoulder 232 places, rank and is provided with elastomer seal 4, this elastomer seal 4 offers and the sealing surface 41 that seals shoulder rank 232 adaptations on the end face on sealing shoulder rank 232.In such scheme, by Sealing being set between piston body 24 and the inwall of pressure chamber 23, make to keep sealing between piston body 24 and the inwall of pressure chamber 23, and the impaired rear replacing of Sealing is convenient, replacement cost is cheap; The elastomer seal 4 corresponding and adaptive with sealing shoulder rank 232 arranging on the sealing shoulder rank 232 that construction opening 231 places of pressure chamber 23 arrange and piston body 24 can guarantee the sealing at pressure chamber 23 construction opening 231 places, and the oil that prevents from entering in pressure chamber 23 is leaked by construction opening 231 places.It should be noted that, also can on the inwall of pressure chamber 23, offer seal groove, then Sealing is installed in seal groove, is also feasible, and just in this, sealing means is unfavorable for processing and installs, so the utility model is preferably located at Sealing on piston body 24.
In the utility model embodiment, elastomer seal 4 is seal ring, and elastomer seal 4 offers elastic opening 42 with respect to the other end place that sealing surface 41 one end are set.Elastomer seal 4 in use can produce elasticity by elastic opening 42, has improved sealing, has also extended the working life of elastomer seal 4 simultaneously.
Fuel tank tank body 1 is provided with the oil outlet 11 extending in connecting passage 21, the steel ball 32 that one-way valve 3 includes Compress Spring 31 and conflicts with Compress Spring 31, and steel ball 32 is conflicted and is sealed with oil outlet 11.The setting of oil outlet 11 makes to be connected more stablely between fuel tank tank body 1 and the pump housing 2, and can shorten the length of Compress Spring 31 in one-way valve 3, thus the stability while improving steel ball 32 sealing.
Claims (3)
1. the manual fluid infusion pump for mechanical seal rinsing system, the pump housing that includes fuel tank tank body and be communicated with fuel tank tank body, between the pump housing and fuel tank tank body, by connecting passage, be communicated with, the pump housing is provided with the oil outlet end being communicated with external pipe, in connecting passage, be provided with the oil that prevents from entering in the pump housing and be back to the one-way valve in fuel tank tank body, in the pump housing, be provided with pressure chamber, in pressure chamber, being provided with can open check valve and by the piston body in the oily suction pressure chamber in fuel tank tank body, on pressure chamber, offer the construction opening of installing for piston body, in pressure chamber, be provided with the spring of conflicting with piston body, the pump housing is provided with the operating grip being connected with piston body, it is characterized in that: between the outer wall of described piston body and the inwall of pressure chamber, be provided with Sealing, the seal include be sheathed on piston body outer wall and with the seal ring of pressure chamber inner wall sealing, the construction opening place of pressure chamber offers sealing shoulder rank, piston body is positioned at place, sealing shoulder rank and is provided with elastomer seal, this elastomer seal offers and the sealing surface that seals shoulder rank adaptation on the end face on sealing shoulder rank.
2. the manual fluid infusion pump for mechanical seal rinsing system according to claim 1, is characterized in that: described elastomer seal is seal ring, and elastomer seal offers elastic opening with respect to the other end place that sealing surface one end is set.
3. the manual fluid infusion pump for mechanical seal rinsing system according to claim 1 and 2, it is characterized in that: described fuel tank tank body is provided with the oil outlet extending in connecting passage, the steel ball that one-way valve includes Compress Spring and conflicts with Compress Spring, steel ball and oil outlet are conflicted and are sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304323.5U CN203906256U (en) | 2014-06-09 | 2014-06-09 | Hand-operated fluid supplementing pump for mechanical seal flushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304323.5U CN203906256U (en) | 2014-06-09 | 2014-06-09 | Hand-operated fluid supplementing pump for mechanical seal flushing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906256U true CN203906256U (en) | 2014-10-29 |
Family
ID=51780541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304323.5U Expired - Fee Related CN203906256U (en) | 2014-06-09 | 2014-06-09 | Hand-operated fluid supplementing pump for mechanical seal flushing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976094A (en) * | 2015-06-10 | 2015-10-14 | 无锡博伊特科技股份有限公司 | Double-pump manual liquid supplying vehicle |
| CN109139408A (en) * | 2018-11-02 | 2019-01-04 | 纪方 | A kind of hydraulic hand-pump |
-
2014
- 2014-06-09 CN CN201420304323.5U patent/CN203906256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976094A (en) * | 2015-06-10 | 2015-10-14 | 无锡博伊特科技股份有限公司 | Double-pump manual liquid supplying vehicle |
| CN109139408A (en) * | 2018-11-02 | 2019-01-04 | 纪方 | A kind of hydraulic hand-pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |