CN202250784U - High-pressure self-cleaning plunger pump - Google Patents
High-pressure self-cleaning plunger pump Download PDFInfo
- Publication number
- CN202250784U CN202250784U CN2011203746538U CN201120374653U CN202250784U CN 202250784 U CN202250784 U CN 202250784U CN 2011203746538 U CN2011203746538 U CN 2011203746538U CN 201120374653 U CN201120374653 U CN 201120374653U CN 202250784 U CN202250784 U CN 202250784U
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- copper
- pump
- plunger rod
- ring
- cavity
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Abstract
The utility model discloses a high-pressure self-cleaning plunger pump, which mainly comprises a pump body, a steel plunger rod, a sealing ring, a copper cleaning ring, and an output one-way valve consisting of a one-way valve ball and a compression spring, wherein the front of the pump body is provided with a valve cavity provided with the output one-way valve and a discharge hole; the rear of the pump body is provided with a copper pump cavity, and is communicated with the valve cavity; the steel plunger rod is arranged in the copper pump cavity; the rear end of the steel plunger rod stretches out of the copper pump cavity and the copper cleaning ring, and is used for connecting with a driving mechanism; a feeding hole is formed in the pump body in the middle of the copper pump cavity; the copper cleaning ring is arranged on the rear port of the copper pump cavity through inner and outer threads; and the sealing ring is a conical polytetrafluoroethylene sealing ring, and is embedded between an inner cavity on the front part of the copper cleaning ring and the steel plunger rod, and crystalline substances attached to the plunger rod can be automatically cleaned; therefore, the plunger pump is easy and convenient to maintain and even maintenance-free, has the advantages of simple and reasonable structure, long service life, high measuring accuracy, high stability and the like, and is particularly suitable for conveying raw materials which have a crystallization tendency.
Description
Technical field
The utility model relates to a kind of plunger pump, and particularly a kind of plunger pump of liquid charging stock of the easy crystallization that is used to spray or pour into that is applicable to conveying and metering belongs to the field of pump.
Background technique
Plunger pump can reach the precision about 1% because the material quantity of each output equals the capacity of pump chamber, thus can use as dosing pump, as when using the plunger pump more than 2 or 2, can carry the double-component or the multi-component feedstock that need metering respectively.But because the Sealing of existing plunger pump all adopts plastics or rubber to make seal element; When the raw material that is transferred exists when crystallization is inclined to; As be exposed to the airborne time and longly just be easy to crystallize into solid, so existing plunger pump is carrying elastomer coatings, foam, adhesive etc. to have behind the raw material of crystallization tendency; All must be with exposing the raw material wiped clean that adheres on the aerial plunger rod, maintenance workload is big.Otherwise these crystallization meetings cause the excessive wear of Sealing with the motion of plunger rod, cause the raw material metering inaccurate and out of proportion, influence the performance of final finished material.So existing plunger pump and the raw material that is not suitable for carrying elastomer coatings, foam, adhesive etc. to have from the crystallization tendency use.
Summary of the invention
The purpose of the utility model is in order to overcome the deficiency of above-mentioned existing plunger pump; Design that a kind of suitable conveying elastomer coatings, foam, adhesive etc. have that raw material from crystallization tendency uses simple and reasonable, obtain high pressure more easily; Long service life; Precision stability is good, safeguards high pressure self-cleaning type plunger pump simply and easily.
The high pressure self-cleaning type plunger pump of the utility model; The output one-way valve that its structure mainly comprises the pump housing, steel plunger rod, seal ring, copper wiper ring, is made up of unidirectional valve ball and pressure spring; Said pump housing front portion is provided with valve pocket and the discharge port that the output one-way valve is installed; Pump housing rear portion is provided with the copper pump chamber and communicates with valve pocket, and the steel plunger rod is installed in the copper pump chamber, and steel plunger rod rear end is stretched out the copper pump chamber and is used for being connected with driving mechanism with the copper wiper ring; The pump housing at copper pump chamber middle part is provided with material feeding mouth; Be provided with internal thread in the rear port of copper pump chamber, copper wiper ring front portion is provided with outside thread and is provided with than the imperial palace accent, and the copper wiper ring is installed on the rear port of copper pump chamber through internal and external screw thread; Ring set is on the steel plunger rod and be embedded on the anterior interior accent of copper wiper ring; Copper wiper ring rear sleeve is contained on the steel plunger rod, and the anterior interior accent of said copper wiper ring is toroidal, seal ring be with the copper wiper ring in the corresponding conical seal ring of toroidal of accent.
In order further to improve working life, said seal ring is selected teflin ring for use.
The high pressure self-cleaning type plunger pump of the utility model because at the right-hand member of the pump housing seal ring and copper wiper ring are installed, and leaves very little gap between copper wiper ring and the plunger rod; Can be effectively when both produce relative movement strike off and limit foreign material and get into cylinder body, thereby realize the crystal that adheres on the automated cleaning plunger rod with plunger rod with sticking to foreign material such as crystallization on the plunger rod, make safeguard simple and convenient even non-maintaining; Have simple and reasonable, long service life, measuring accuracy is high; Advantages such as stability is good; Structure structure because of seal ring is designed to taper again, and raw material is revealed along plunger rod backward in the time of reducing high-pressure work, behind ring wear, also can compensate through the copper wiper ring of screwing; Can long expiration keep sealing; Can prevent effectively that raw material from leaking, obtain higher charging suction and higher discharging pressure more easily, be particularly suitable for carrying the double-component or the multi-component feedstock that need on-the-spot preparation elastomer coatings, foam, adhesive etc. to have to use from the crystallization tendency.This plunger pump structure also can realize a plurality of specifications from small to large, adapts to the requirement of different output quantities.
Description of drawings
Fig. 1 is the structural representation of a kind of suction state of the utility model;
Fig. 2 is the structural representation of a kind of discharging state of the utility model.
Embodiment
The non-limiting structural representation that discloses a kind of embodiment of the utility model of accompanying drawing.Referring to attaching Fig. 1 and 2,1 among the figure is discharge port, the 2nd, and the pump housing, the 3rd, valve pocket, the 4th, pressure spring, the 5th, unidirectional valve ball, the 6th, copper pump chamber, the 7th, material feeding mouth, the 8th, seal ring, the 9th, accent in the copper wiper ring, the 10th, copper wiper ring, the 11st, steel plunger rod.
The high pressure self-cleaning type plunger pump of the utility model; The output one-way valve that it is characterized in that comprising the pump housing 2, steel plunger rod 11, seal ring 8, copper wiper ring 10, forms by unidirectional valve ball 5 and pressure spring 4; The said pump housing 2 front portions are provided with the valve pocket 3 and discharge port 1 that the output one-way valve is installed; The pump housing 2 rear portions are provided with copper pump chamber 6 and communicate with valve pocket 3, and steel plunger rod 11 is installed in the copper pump chamber 6, and steel plunger rod 11 rear ends are stretched out copper pump chamber 6 and are used for being connected with driving mechanism with copper wiper ring 10; The pump housing at copper pump chamber 6 middle parts is provided with material feeding mouth 7; Be provided with internal thread in the rear port of copper pump chamber 6, copper wiper ring 10 front portions are provided with outside thread and are provided with than imperial palace accent 9, and copper wiper ring 10 is installed on the rear port of copper pump chamber 6 through internal and external screw thread; Seal ring 8 is sleeved on the steel plunger rod 11 and is embedded on the interior accent of copper wiper ring 10 front portions; Copper wiper ring 10 rear sleeve are contained on the steel plunger rod 11, and the anterior interior accent 9 of said copper wiper ring is toroidal, seal ring 8 be with the copper wiper ring in the corresponding conical seal ring of toroidal of accent 9.Said seal ring is selected teflin ring for use.
During work, steel plunger rod 11 driven devices pull to right motion to material feeding mouth 7 right sides, and liquid charging stock is inhaled into copper pump chamber 6 from the negative pressure of vacuum that material feeding mouth 7 relies on plunger rod to produce, and is as shown in Figure 1; Then, plunger rod 11 is pushed to left movement, and raw material is squeezed and flows left, and the elastic force that overcomes pressure spring 4 is pushed unidirectional valve ball 5 open, and is from discharge port 1 output of the pump housing, as shown in Figure 2; Again; When plunger rod 11 moves right once more; Unidirectional valve ball 5 resets rapidly under the acting in conjunction of the elastic force of pressure spring 4 and the high pressure feedstock in the delivery pipe outside the discharge port 1 and closes, and keep high pressure in unidirectional valve ball 5 left sides, and the right side of non-return valve 5 is because plunger rod moves right the formation negative pressure of vacuum; Raw material is sucked from material feeding mouth 7 once more, for compression is next time got ready.Because at the right-hand member of the pump housing seal ring 8 and copper wiper ring 10 are installed, and leave very little gap between copper wiper ring 10 and the plunger rod 11, can be effectively when both produce relative movement strike off and limit foreign material and get into cylinder body with plunger rod with sticking to foreign material such as crystallization on the plunger rod 11; Thereby the crystal that adheres on the realization automated cleaning plunger rod makes maintenance simple and convenient even non-maintaining, has simple and reasonable; Long service life, advantage such as measuring accuracy is high, and stability is good; Structure structure because of seal ring 8 is designed to taper again; Raw material is revealed along plunger rod 11 backward in the time of reducing high-pressure work, after seal ring 8 wearing and tearing, also can compensate through the copper wiper ring 10 of screwing, and can keep sealing for a long time; Prevent that effectively raw material from leaking, obtain higher charging suction and higher discharging pressure more easily.
Claims (2)
1. high pressure self-cleaning type plunger pump; The output one-way valve that it is characterized in that comprising the pump housing, steel plunger rod, seal ring, copper wiper ring, forms by unidirectional valve ball and pressure spring; Said pump housing front portion is provided with valve pocket and the discharge port that the output one-way valve is installed; Pump housing rear portion is provided with the copper pump chamber and communicates with valve pocket, and the steel plunger rod is installed in the copper pump chamber, and steel plunger rod rear end is stretched out the copper pump chamber and is used for being connected with driving mechanism with the copper wiper ring; The pump housing at copper pump chamber middle part is provided with material feeding mouth; Be provided with internal thread in the rear port of copper pump chamber, copper wiper ring front portion is provided with outside thread and is provided with than the imperial palace accent, and the copper wiper ring is installed on the rear port of copper pump chamber through internal and external screw thread; Ring set is on the steel plunger rod and be embedded on the anterior interior accent of copper wiper ring; Copper wiper ring rear sleeve is contained on the steel plunger rod, and the anterior interior accent of said copper wiper ring is toroidal, seal ring be with the copper wiper ring in the corresponding conical seal ring of toroidal of accent.
2. high pressure self-cleaning type plunger pump as claimed in claim 1 is characterized in that said seal ring selects teflin ring for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203746538U CN202250784U (en) | 2011-09-28 | 2011-09-28 | High-pressure self-cleaning plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203746538U CN202250784U (en) | 2011-09-28 | 2011-09-28 | High-pressure self-cleaning plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250784U true CN202250784U (en) | 2012-05-30 |
Family
ID=46112036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203746538U Expired - Fee Related CN202250784U (en) | 2011-09-28 | 2011-09-28 | High-pressure self-cleaning plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250784U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338076A (en) * | 2011-09-28 | 2012-02-01 | 吴祎 | High-pressure self-cleaning plunger pump |
| CN110159506A (en) * | 2019-06-28 | 2019-08-23 | 深圳市恒瑞兴自动化设备有限公司 | Crystallization-preventive topping-up pump |
| CN114183322A (en) * | 2021-12-14 | 2022-03-15 | 诸暨市锐达机械有限公司 | Composite booster plunger pump |
-
2011
- 2011-09-28 CN CN2011203746538U patent/CN202250784U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338076A (en) * | 2011-09-28 | 2012-02-01 | 吴祎 | High-pressure self-cleaning plunger pump |
| CN110159506A (en) * | 2019-06-28 | 2019-08-23 | 深圳市恒瑞兴自动化设备有限公司 | Crystallization-preventive topping-up pump |
| CN114183322A (en) * | 2021-12-14 | 2022-03-15 | 诸暨市锐达机械有限公司 | Composite booster plunger 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: 20120530 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |