CN203257666U - Plunger pump - Google Patents
Plunger pump Download PDFInfo
- Publication number
- CN203257666U CN203257666U CN 201320204007 CN201320204007U CN203257666U CN 203257666 U CN203257666 U CN 203257666U CN 201320204007 CN201320204007 CN 201320204007 CN 201320204007 U CN201320204007 U CN 201320204007U CN 203257666 U CN203257666 U CN 203257666U
- Authority
- CN
- China
- Prior art keywords
- inlet valve
- plunger
- water inlet
- pump
- valve spring
- 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 - Lifetime
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a plunger pump which comprises a pump body. A plunger rod and a water inlet valve are arranged in the pump body. The water inlet valve comprises a water inlet valve plate and a water inlet valve spring. The plunger pump further comprises a ceramic plunger which is arranged outside the plunger rod. The outer end of the ceramic plunger is connected with the water inlet valve plate. The water inlet valve spring is connected to the outer side of the water inlet valve plate. A partitioning cylinder is arranged between the water inlet valve spring and the plunger rod. According to the plunger pump, the number of parts of the plunger pump is reduced, structure size is reduced, and production cost and assembling time are saved.
Description
Technical field
The utility model relates to a kind of pump valve field, is specifically related to a kind of plunger pump.
Background technique
Plunger pump is a kind of plunger rod to-and-fro motion in pump cylinder that utilizes, and makes between plunger rod and pump wall to form volume and change, and repeatedly sucks and discharges liquid and increase the pump of its pressure.Plunger pump is an important device of hydraulic system, and it relies on plunger rod to-and-fro motion in cylinder body, makes the volume of seal operation cavity volume change to realize oil suction, force feed.Plunger pump has the advantages such as rated pressure height, compact structure, efficient height and Flow-rate adjustment convenience, is widely used in the occasion that high pressure, large flow and flow need to be regulated, in hydraulic press, engineering machinery and boats and ships.
The plunger pump that generally uses at present, the typical structure that the plunger rod that it is inner and inlet valve use is respectively independent use of plunger rod 7, inlet valve, specifically referring to shown in Figure 1, wherein inlet valve is comprised of a plurality of parts, comprise O shape circle 1, inlet valve seat 2, water inlet valve block 3, inlet valve spring 4 and water inlet valve bonnet 5, and need to be equipped with inlet valve silently 6 and O shape circle fixing seal.From the above, the part usage quantity of inlet valve is more, will certainly increase plunger pump installation time and manufacture cost, and since plunger rod and inlet valve independently use, thereby so that the increase of the physical dimension of plunger pump integral body has increased cost of production.
Summary of the invention
The utility model purpose provides a kind of plunger pump, by the improvement to structure, has reduced the number of spare parts of plunger pump, has dwindled physical dimension, has saved cost of production and installation time.
The technical solution of the utility model is: a kind of plunger pump, comprise a pump housing, be provided with plunger rod and inlet valve in the described pump housing, described inlet valve comprises into water valve block and inlet valve spring, also comprise a ceramic plunger, it is outside that described ceramic plunger is arranged at described plunger rod, and described ceramic plunger outer end is connected with described water inlet valve block, the described water inlet valve block outside connects the inlet valve spring, is provided with separating tube between described inlet valve spring and described plunger rod.
Further technological scheme also comprises a taper washer, and described taper washer is arranged at the outer end of described inlet valve spring and separating tube and fixes through nut.
Further technological scheme is provided with water seal between described ceramic plunger and the described pump housing.
The utility model has the advantages that:
1. the utility model is by arranging ceramic plunger, water inlet valve block, inlet valve spring, separating tube outside plunger rod, taper washer is fixed by nut, plunger rod and inlet valve independently use in the plunger pump as compared with the past, reduced the part usage quantity of inlet valve in the plunger pump, dwindle physical dimension, saved cost of production and installation time.
2. the utility model is simple in structure, and is easy to use, and is easy to realize, is fit to promote the use of.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the structural representation of prior art;
Fig. 2 is the utility model embodiment one structural representation.
Wherein: 1, O shape circle; 2, inlet valve seat; 3, water inlet valve block; 4, inlet valve spring; 5, water inlet valve bonnet; 6, inlet valve silently; 7, plunger rod; 11 pump housings; 12, plunger rod; 13, water inlet valve block; 14, inlet valve spring; 15, ceramic plunger; 16, separating tube; 17, taper washer; 18, nut; 19, water seal.
Embodiment
Embodiment one: referring to shown in Figure 2, a kind of plunger pump, comprise a pump housing 11, be provided with plunger rod 12 and inlet valve in the described pump housing 11, described inlet valve comprises into water valve block 13 and inlet valve spring 14, also comprise a ceramic plunger 15, described ceramic plunger 15 is arranged at described plunger rod 12 outsides, described ceramic plunger 15 outer ends are connected with described water inlet valve block 13, described water inlet valve block 13 outsides connect inlet valve spring 14, be provided with separating tube 16 between described inlet valve spring 14 and described plunger 12 bars, also comprise a taper washer 17, described taper washer 17 is arranged at the outer end of described inlet valve spring 14 and separating tube 16 and fixes through nut 18, and 11 of described ceramic plunger 15 and the described pump housings are provided with water seal 19.
Plunger pump in use, plunger rod drives ceramic plunger and moves reciprocatingly in water seal, and then drive that the water inlet valve block is done the action of reciprocal switching so that the liquid that enters plunger pump by the through hole in the middle of the ceramic plunger, finish liquid by the import of plunger pump to the process that exports.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. plunger pump, comprise a pump housing (11), be provided with plunger rod (12) and inlet valve in the described pump housing (11), described inlet valve comprises into water valve block (13) and inlet valve spring (14), it is characterized in that: also comprise a ceramic plunger (15), described ceramic plunger (15) is arranged at described plunger rod (12) outside, described ceramic plunger (15) outer end is connected with described water inlet valve block (13), described water inlet valve block (13) outside connects inlet valve spring (14), is provided with separating tube (16) between described inlet valve spring (14) and described plunger rod (12).
2. a kind of plunger pump according to claim 1, it is characterized in that: also comprise a taper washer (17), described taper washer (17) is arranged at the outer end of described inlet valve spring (14) and separating tube (16) and fixes through nut (18).
3. a kind of plunger pump according to claim 1 is characterized in that: be provided with water seal (19) between described ceramic plunger (15) and the described pump housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320204007 CN203257666U (en) | 2013-04-22 | 2013-04-22 | Plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320204007 CN203257666U (en) | 2013-04-22 | 2013-04-22 | Plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257666U true CN203257666U (en) | 2013-10-30 |
Family
ID=49470235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320204007 Expired - Lifetime CN203257666U (en) | 2013-04-22 | 2013-04-22 | Plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257666U (en) |
-
2013
- 2013-04-22 CN CN 201320204007 patent/CN203257666U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |