CN205559256U - A case and check valve for check valve of plunger pump - Google Patents
A case and check valve for check valve of plunger pump Download PDFInfo
- Publication number
- CN205559256U CN205559256U CN201620198867.7U CN201620198867U CN205559256U CN 205559256 U CN205559256 U CN 205559256U CN 201620198867 U CN201620198867 U CN 201620198867U CN 205559256 U CN205559256 U CN 205559256U
- Authority
- CN
- China
- Prior art keywords
- valve body
- spool
- check valve
- spring
- fluid passage
- 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
Abstract
The utility model discloses a case and check valve for check valve of plunger pump, including first valve body and the second valve body continuous with first valve body, first valve body is provided with fluid passage, and the cover is equipped with the sealing washer on the first valve body, and the liquid outlet of first valve body is provided with the hemisphere case, still includes the spring, and the one end of spring is supported and is leaned on on the second valve body, and the other end of spring supports by on the hemisphere case, be provided with the screw thread on fluid passage's the way wall, the case passes through sealing washer and check valve body sealing connection, sets up the screw thread on fluid passage's way wall, and it needs to dismantle when changing damages to appear when sealing washer or first valve body, in only needing to twist first valve body with the screw rod that the screw thread matches, can extract first valve body, dismantles the convenience, just can not take place the phenomenon of first valve body damage.
Description
Technical field
This utility model relates to cleaning machine field, particularly for the spool of check valve and the check valve of plunger displacement pump.
Background technology
Jetting machine, is to make high-pressure plunger pump produce water under high pressure by power set to rinse the machine of body surface.It can be by
Dirt washes away, and reaches the purpose on cleaning of objects surface.Because being to use water jets under high pressure cleaning dirt, so high-pressure wash is also generation
Boundary generally acknowledges one of cleaning mode of most scientific, economy, environmental protection.
Jetting machine generally includes housing, is provided with cleaning device in housing, and plunger-type pump of high pressure cleaner is to utilize driven by motor
Piston reciprocation motion in cylinder body carrys out work, and the reciprocating motion of plunger makes the volume in cylinder body change thus realizes rinse water
Suction.In order to discharge on request when ensureing rinse water suction, make high-pressure wash water will not flow out from water inlet end, clean column
Plug pump is generally fitted with check valve.In prior art, being provided with sealing ring between spool and the pump housing of check valve, sealing ring damages
Or during damage of components in spool, need to change valve core taking, be tightly connected between spool and the pump housing, take out difficulty,
Make the replacing difficulty of spool, take time and effort；And when taking out, easily cause the damage of spool, and when having only to change sealing ring, valve
Core damages and increases extra cost.
Utility model content
This utility model solves the technical problem that spool and the list of the check valve for plunger displacement pump that there is provided a kind of easy accessibility
To valve.
This utility model solves its technical problem and be the technical scheme is that the spool of the check valve for plunger displacement pump, including
One valve body and the second valve body being connected with the first valve body, the first valve body is provided with fluid passage, and the first valve body is arranged with sealing
Circle, the liquid outlet of the first valve body is provided with hemispherical spool, also includes spring, and one end of spring is resisted against on the second valve body,
The other end of spring is resisted against on hemispherical spool, and the road wall of described fluid passage is provided with screw thread.
The road wall of fluid passage is threaded, when sealing ring or the first valve body occur that damage needs dismounting and change, it is only necessary to
The screw rod mated with screw thread is screwed in the first valve body, the first valve body can be extracted, convenient disassembly, and the first valve will not occur
The phenomenon that body damages.
This utility model additionally provides the check valve for plunger displacement pump, including check valve body and to be arranged on check valve intrinsic
Spool, check valve body is provided with intake tunnel and exhalant canal, and the outlet of intake tunnel is connected with the water inlet of spool, goes out
The entrance of aquaporin is connected with the outlet of spool, and spool includes the first valve body and the second valve body being connected with the first valve body, the
One valve body is provided with fluid passage, and the first valve body is arranged with sealing ring, and the liquid outlet of the first valve body is provided with hemispherical spool,
Also including spring, one end of spring is resisted against on the second valve body, and the other end of spring is resisted against on hemispherical spool, described fluid
It is provided with screw thread on the road wall of passage.
Further: the top of described second valve body is provided with plug, plug is tightly connected with check valve body.
The beneficial effects of the utility model are: spool is tightly connected with check valve body by sealing ring, and liquid enters from fluid passage
Enter in the first valve body, under the effect of fluid pressure, hemispherical spool jack-up separated with the first valve body so that originally sealing by
The fluid passage of hemispherical spool is opened, and liquid flows out through the fluid passage of the second valve body again；The road wall of fluid passage sets
Put screw thread, when sealing ring or the first valve body occur that damage needs dismounting and change, it is only necessary to the screw rod mated with screw thread is screwed into
In one valve body, the first valve body can be extracted, convenient disassembly, and the phenomenon of the first valve body damage will not occur.When mounted,
After the first valve body can also being loaded check valve body by screw rod, then screw rod is back-outed, easy for installation, time saving and energy saving, improve
Work efficiency.
Accompanying drawing explanation
Fig. 1 is the spool schematic diagram of the check valve for plunger displacement pump；
Fig. 2 is the valve core structure schematic diagram of the check valve for plunger displacement pump；
Fig. 3 is the check valve schematic diagram for plunger displacement pump；
Fig. 4 is the one-way valve structures schematic diagram for plunger displacement pump；
Figure is labeled as: the first valve body 1, fluid passage 11, sealing ring 12, the second valve body 2, hemispherical spool 3, spring
31, check valve body 4, spool 40, intake tunnel 41, exhalant canal 42, plug 43.
Detailed description of the invention
With detailed description of the invention, this utility model is illustrated further below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 2, for the spool of the check valve of plunger displacement pump, including the first valve body 1 and with the first valve body 1 phase
The second valve body 2 even, the first valve body 1 is provided with fluid passage 11, the first valve body 1 is arranged with sealing ring 12, the first valve body
The liquid outlet of 1 is provided with hemispherical spool 3, also includes that spring 31, one end of spring 31 are resisted against on the second valve body 2, bullet
The other end of spring 31 is resisted against on hemispherical spool 3, and the road wall of described fluid passage 11 is provided with screw thread；In fluid passage
11 are threaded, when sealing ring 12 or the first valve body 2 occur that damage needs dismounting and change, it is only necessary to by mate with screw thread
Screw rod is screwed in the first valve body 2, can be extracted by the first valve body 2, convenient disassembly, and the first valve body 2 will not be occurred to damage
Phenomenon.When mounted, it is also possible to after the first valve body 2 being loaded check valve body by screw rod, then screw rod is back-outed, installation side
Just, time saving and energy saving；And during current entrance, can make current threadingly in rotary rising, hemispherical spool 3 be ejected, current
Pass through enhanced convenience.
As shown in Figure 3 to Figure 4, for the check valve of plunger displacement pump, including check valve body 4 and be arranged on check valve body 4
Interior spool 40, check valve body 4 is provided with intake tunnel 41 and exhalant canal 42, the outlet of intake tunnel 41 and spool
The water inlet of 40 be connected, the entrance of exhalant canal 42 is connected with the outlet of spool 40, spool 40 include the first valve body 1 with
And the second valve body 2 being connected with the first valve body 1, the first valve body 1 is provided with fluid passage 11, the first valve body 1 is arranged with close
Seal 12, the liquid outlet of the first valve body 1 is provided with hemispherical spool 3, also includes spring 31, one end of spring 31 against
On the second valve body 2, the other end of spring 31 is resisted against on hemispherical spool 3, and the road wall of described fluid passage 11 is arranged
There is screw thread；Spool 40 is tightly connected with check valve body 4 by sealing ring 12, and liquid enters the first valve body from fluid passage 11
In 1, under the effect of fluid pressure, hemispherical spool 3 jack-up is separated with the first valve body 1 so that sealing is by hemisphere originally
The fluid passage 11 of shape spool 3 is opened, and liquid flows out through the fluid passage of the second valve body 2 again；Arrange in fluid passage 11
Screw thread, when sealing ring 12 or the first valve body 2 occur that damage needs dismounting and change, it is only necessary to be screwed into by the screw rod mated with screw thread
In first valve body 2, the first valve body 2 can be extracted, convenient disassembly, and the phenomenon of the first valve body 2 damage will not occur.?
During installation, it is also possible to after the first valve body 2 being loaded check valve body 4 by screw rod, then screw rod is back-outed, easy for installation, save
Shi Shengli.
The installation of spool 40 for convenience, check valve body 4 offers installing hole, is fit into check valve body at spool 40
After in 4, filling in plug 43 in installing hole, sealed by installing hole, meanwhile, the bottom of plug 43 is resisted against on the second valve body 2.
The spool of the check valve for plunger displacement pump of the present utility model, spool is tightly connected with check valve body by sealing ring, liquid
Body enters in the first valve body from fluid passage, under the effect of fluid pressure, hemispherical spool jack-up is separated with the first valve body,
Making originally to seal to be opened by the fluid passage of hemispherical spool, liquid flows out through the fluid passage of the second valve body again；At fluid
It is threaded on the road wall of passage, when sealing ring or the first valve body occur that damage needs dismounting and change, it is only necessary to will be with screw thread
The screw rod joined is screwed in the first valve body, can be extracted by the first valve body, convenient disassembly, and showing of the first valve body damage will not occur
As.It is when mounted, it is also possible to after the first valve body being loaded check valve body by screw rod, then screw rod is back-outed, easy for installation,
Time saving and energy saving, improve work efficiency.
Above-described detailed description of the invention, has been carried out the purpose of this utility model, technical scheme and beneficial effect the most in detail
Describe in detail bright, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, be not limited to this reality
With novel, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all should wrap
Within being contained in protection domain of the present utility model.
Claims (3)
1. for the spool of check valve of plunger displacement pump, including the first valve body and the second valve body of being connected with the first valve body, first
Valve body is provided with fluid passage, and the first valve body is arranged with sealing ring, and the liquid outlet of the first valve body is provided with hemispherical spool,
Also including spring, one end of spring is resisted against on the second valve body, and the other end of spring is resisted against on hemispherical spool, and its feature exists
In: it is provided with screw thread on the road wall of described fluid passage.
2. for the check valve of plunger displacement pump, including check valve body and be arranged on the intrinsic spool of check valve, check valve this
Body is provided with intake tunnel and exhalant canal, and the outlet of intake tunnel is connected with the water inlet of spool, the entrance of exhalant canal with
The outlet of spool is connected, and spool includes the first valve body and the second valve body being connected with the first valve body, and the first valve body is provided with stream
Body passage, the first valve body is arranged with sealing ring, and the liquid outlet of the first valve body is provided with hemispherical spool, also includes spring,
One end of spring is resisted against on the second valve body, and the other end of spring is resisted against on hemispherical spool, it is characterised in that: described fluid
It is provided with screw thread on the road wall of passage.
3. the check valve for plunger displacement pump as claimed in claim 2, it is characterised in that: the top of described second valve body is arranged
Plug, plug is had to be tightly connected with check valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198867.7U CN205559256U (en) | 2016-03-16 | 2016-03-16 | A case and check valve for check valve of plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198867.7U CN205559256U (en) | 2016-03-16 | 2016-03-16 | A case and check valve for check valve of plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559256U true CN205559256U (en) | 2016-09-07 |
Family
ID=56817750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620198867.7U Expired - Fee Related CN205559256U (en) | 2016-03-16 | 2016-03-16 | A case and check valve for check valve of plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214323A1 (en) * | 2017-05-26 | 2018-11-29 | 广州市永合祥自动化设备科技有限公司 | One-way valve |
| CN110107472A (en) * | 2019-06-11 | 2019-08-09 | 季进峰 | A kind of piston pump for giant |
-
2016
- 2016-03-16 CN CN201620198867.7U patent/CN205559256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214323A1 (en) * | 2017-05-26 | 2018-11-29 | 广州市永合祥自动化设备科技有限公司 | One-way valve |
| CN110107472A (en) * | 2019-06-11 | 2019-08-09 | 季进峰 | A kind of piston pump for giant |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180316 |