CN203796548U - Pump head assembly - Google Patents
Pump head assembly Download PDFInfo
- Publication number
- CN203796548U CN203796548U CN201420028076.0U CN201420028076U CN203796548U CN 203796548 U CN203796548 U CN 203796548U CN 201420028076 U CN201420028076 U CN 201420028076U CN 203796548 U CN203796548 U CN 203796548U
- Authority
- CN
- China
- Prior art keywords
- feed liquor
- valve seat
- pump head
- plunger
- liquid inlet
- 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
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a pump head assembly which comprises a pump head. A liquid inlet pipe, a liquid outlet pipe and a connecting pipe are arranged in the pump head, the pump head is provided with a plunger hole for plunger action and a plunger pipe communicated with the plunger hole, the plunger pipe is communicated with the connecting pipe, the plunger hole and the plunger pipe are located between the liquid inlet pipe and the liquid outlet pipe, the side, corresponding to the liquid inlet pipe, of the connecting pipe is provided with a one-way valve, the side, corresponding to the liquid outlet pipe, of the connecting pipe is provided with a liquid discharging one-way valve, the one-way valve comprises a valve sleeve, a valve seat and a valve element, the valve element comprises a sealing part and a valve seat locating part, the sealing part and the valve seat locating part are sequentially and integrally arranged, the valve seat locating part is arranged in the valve seat in a sleeved mode, a sealing face is formed by the sealing part and the valve seat, the valve seat locating part comprises a plurality of locating sheets, the locating sheets are evenly arranged around the circumference and all abut against the inner wall of the valve seat to form abutting-against faces, the abutting-against faces are all arranged to be in arc shapes, and the arc shapes are matched with the arc of the inner wall of a liquid inlet valve seat. By means of the pump head assembly, the blocking rate of the liquid inlet one-way valve is reduced, and the problems caused by blocking of the liquid inlet one-way valve are solved.
Description
Technical field
The utility model relates to a kind of hydraulic mechanism, and more particularly, it relates to a kind of pump head component.
Background technique
In pump head component, be provided with plunger hole and plunger tube, plunger on pump can do work in plunger tube in to-and-fro motion vertically, it has been once from liquid inlet pipe imbibition process that liquid is sent from drain pipe that plunger makes a round trip in plunger tube, be provided with feed liquor one-way valve at liquid inlet pipe place and prevent that liquid backflow is to fuel tank, in prior art, feed liquor one-way valve is guiding valve, be for being slidably matched between spool and valve seat, because the cooperation between the valve on hydraulic pressure is all very accurate, often can make spool and valve seat stuck if sneak into some granular substances in liquid, make spool be difficult to return to have lost the effect of one-way valve, make in pump head when each plunger makes a round trip total some liquid backflow to fuel tank, reduce the discharge capacity of liquid in pump head, make the most energy do idle work, working efficiency is lower.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of pump head component that reduces the stuck probability of feed liquor one-way valve, has solved the problem causing after stuck because of feed liquor one-way valve.
For achieving the above object, the utility model provides following technological scheme: a kind of pump head component, comprise pump head, in described pump head, be provided with the liquid inlet pipe with liquid entering hole, with the drain pipe of liquid outlet and the connecting tube of UNICOM's liquid inlet pipe and drain pipe, on described pump head, be provided with and supply the plunger hole of plunger acting and the plunger tube with plunger hole UNICOM, described plunger tube and connecting tube are connected, described plunger hole and plunger tube are between liquid inlet pipe and drain pipe, described connecting tube is provided with feed liquor one-way valve corresponding to liquid inlet pipe one side, described connecting tube is provided with discharge opeing one-way valve corresponding to drain pipe one side, described feed liquor one-way valve comprises feed liquor valve pocket, feed liquor valve seat, feed liquor spool and spring loaded, described spring loaded is between feed liquor spool and feed liquor valve pocket, described feed liquor spool comprises the sealed department and the feed liquor valve seat positioning part that are wholely set successively, described feed liquor valve seat positioning part is sheathed in feed liquor valve seat and described sealed department and feed liquor valve seat formation sealing surface, described feed liquor valve seat positioning part comprises several location pieces, described location piece around even circumferential setting and described location piece all with the inconsistent formation resistance surface of feed liquor valve base inner wall, described resistance surface is all circular-arc setting and described circular-arc suitable with feed liquor valve base inner wall circular arc.
By adopting technique scheme, the part amendment of feed liquor spool and the cooperation of feed liquor valve seat is to several location pieces, location piece is around even circumferential setting, between two adjacent location pieces, there is certain gap, ensureing under the prerequisite of the relation that closely cooperates between feed liquor spool and feed liquor valve base inner wall, reduce the area contacting between feed liquor spool and feed liquor valve seat, reduce granular substance and be stuck in the possibility between feed liquor spool and feed liquor valve seat, reduced the pump head component stuck possibility of feed liquor one-way valve at work, make pump head component in long-term work, still can ensure very high working efficiency.
The utility model is further set to: described feed liquor valve seat positioning part is provided with back shaft, and described location piece is provided with three, and described location piece arranges along back shaft even circumferential.
By adopting technique scheme, by the words that are arranged between location piece on sealed department, under the impact of liquid, location piece insufficient strength, easily modification fracture, have additional now back shaft, by on location piece setting and back shaft, improve the structural strength of whole feed liquor valve seat positioning part, ensure that location piece still there will not be the situation of bending break under long-term use, and location piece quantity is set to three, ensureing under the prerequisite of positioning and guiding between feed liquor spool and feed liquor valve seat, reduce as much as possible the area of contact between feed liquor spool and feed liquor valve seat, further reduce the stuck possibility of feed liquor spool and feed liquor valve seat, and after feed liquor spool is washed open by liquid, Gap-Ratios between three location pieces is larger, improve the flow of liquid.
The utility model is further set to: described discharge opeing one-way valve comprises discharge opeing valve seat, is provided with the discharge opeing spool identical with liquid feed valve cored structure in described discharge opeing valve seat.
By adopting technique scheme, described discharge opeing spool and feed liquor spool are same structure, lower the stuck probability of discharge opeing one-way valve, solved because the oil of the stuck system of discharge opeing one-way valve outside is back to connecting tube inner question, further improved the working efficiency of this pump head component.
Brief description of the drawings
Fig. 1 is the utility model pump head component embodiment's structural representation;
Fig. 2 is the utility model pump head component embodiment's feed liquor one-way valve structures exploded perspective view.
Drawing reference numeral explanation:
1, liquid inlet pipe; 11, liquid entering hole; 2, plunger tube; 21, plunger hole; 3, drain pipe; 31, liquid outlet; 4, discharge opeing one-way valve; 41, discharge opeing spool; 42, discharge opeing valve seat; 5, connecting tube; 6, feed liquor one-way valve; 61, feed liquor valve seat; 62, feed liquor spool; 621, feed liquor valve seat positioning part; 6211, back shaft; 6212, location piece; 622, sealed department; 63, spring loaded; 64, feed liquor valve pocket; 7, pump head.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model pump head component embodiment is described further.
A kind of pump head component, comprise pump head 7, in described pump head 7, be provided with the liquid inlet pipe 1 with liquid entering hole 11, with the drain pipe 3 of liquid outlet 31 and the connecting tube 5 of UNICOM's liquid inlet pipe 1 and drain pipe 3, on described pump head 7, be provided with and supply the plunger hole 21 of plunger acting and the plunger tube 2 with plunger hole 21 UNICOMs, described plunger tube 2 is connected with connecting tube 5, described plunger hole 21 and plunger tube 2 are between liquid inlet pipe 1 and drain pipe 3, described connecting tube 5 is provided with feed liquor one-way valve 6 corresponding to liquid inlet pipe 1 one sides, described connecting tube 5 is provided with discharge opeing one-way valve 4 corresponding to drain pipe 3 one sides, described feed liquor one-way valve 6 comprises feed liquor valve pocket 64, feed liquor valve seat 61, feed liquor spool 62 and spring loaded 63, described spring loaded 63 is between feed liquor spool 62 and feed liquor valve pocket 64, described feed liquor spool 62 comprises the sealed department 622 and the feed liquor valve seat positioning part 621 that are wholely set successively, described feed liquor valve seat positioning part 621 is sheathed in feed liquor valve seat 61 and described sealed department 622 forms sealing surface with feed liquor valve seat 61, described feed liquor valve seat positioning part 621 comprises several location pieces 6212, described location piece 6212 around even circumferential setting and described location piece 6212 all with the inconsistent formation resistance surface of feed liquor valve seat 61 inwall, described resistance surface is all circular-arc setting and described circular-arc suitable with feed liquor valve seat 61 inwall circular arcs.
By adopting technique scheme, the part amendment that feed liquor spool 62 and feed liquor valve seat 61 are coordinated is several location pieces 6212, location piece 6212 is around even circumferential setting, between two adjacent location pieces 6212, there is certain gap, ensureing under the prerequisite of the relation that closely cooperates between feed liquor spool 62 and feed liquor valve seat 61 inwalls, reduce the area of contact between feed liquor spool 62 and feed liquor valve seat 61, reduce granular substance and be stuck in the possibility between feed liquor spool 62 and feed liquor valve seat 61, reduced the pump head 7 assemblies stuck possibility of feed liquor one-way valve 6 at work, make pump head 7 assemblies in long-term work, still can ensure very high working efficiency.
Described feed liquor valve seat positioning part 621 is provided with back shaft 6211, and described location piece 6212 is provided with three, and described location piece 6212 is along back shaft 6211 even circumferential settings.
By adopting technique scheme, words on sealed department 622 will be arranged between location piece 6212, under the impact of liquid, location piece 6212 insufficient strength, easily modification fracture, have additional now back shaft 6211, by location piece 6212 arrange with back shaft 6211 on, improve the structural strength of whole feed liquor valve seat positioning part 621, ensure that location piece 6212 still there will not be the situation of bending break under long-term use, and location piece 6212 quantity are set to three, ensureing under the prerequisite of positioning and guiding between feed liquor spool 62 and feed liquor valve seat 61, reduce as much as possible the area of contact between feed liquor spool 62 and feed liquor valve seat 61, further reduce the stuck possibility of feed liquor spool 62 with feed liquor valve seat 61, and after feed liquor spool 62 is washed open by liquid, Gap-Ratios between three location pieces 6212 is larger, improve the flow of liquid.
Described discharge opeing one-way valve 4 comprises discharge opeing valve seat 42, is provided with the discharge opeing spool 41 identical with feed liquor spool 62 structures in described discharge opeing valve seat 42.
By adopting technique scheme, described discharge opeing spool 41 and feed liquor spool 62 are same structure, lower the stuck probability of discharge opeing one-way valve 4, solved because the oil of the stuck system of discharge opeing one-way valve 4 outside is back to connecting tube 5 inner questions, further improved the working efficiency of these pump head 7 assemblies.
Claims (3)
1. a pump head component, comprise pump head, in described pump head, be provided with the liquid inlet pipe with liquid entering hole, with the drain pipe of liquid outlet and the connecting tube of UNICOM's liquid inlet pipe and drain pipe, on described pump head, be provided with and supply the plunger hole of plunger acting and the plunger tube with plunger hole UNICOM, described plunger tube and connecting tube are connected, described plunger hole and plunger tube are between liquid inlet pipe and drain pipe, described connecting tube is provided with feed liquor one-way valve corresponding to liquid inlet pipe one side, described connecting tube is provided with discharge opeing one-way valve corresponding to drain pipe one side, it is characterized in that: described feed liquor one-way valve comprises feed liquor valve pocket, feed liquor valve seat, feed liquor spool and spring loaded, described spring loaded is between feed liquor spool and feed liquor valve pocket, described feed liquor spool comprises the sealed department and the feed liquor valve seat positioning part that are wholely set successively, described feed liquor valve seat positioning part is sheathed in feed liquor valve seat and described sealed department and feed liquor valve seat formation sealing surface, described feed liquor valve seat positioning part comprises several location pieces, described location piece around even circumferential setting and described location piece all with the inconsistent formation resistance surface of feed liquor valve base inner wall, described resistance surface is all circular-arc setting and described circular-arc suitable with feed liquor valve base inner wall circular arc.
2. pump head component according to claim 1, is characterized in that: described feed liquor valve seat positioning part is provided with back shaft, and described location piece is provided with three, and described location piece arranges along back shaft even circumferential.
3. pump head component according to claim 1 and 2, is characterized in that: described discharge opeing one-way valve comprises discharge opeing valve seat, is provided with the discharge opeing spool identical with liquid feed valve cored structure in described discharge opeing valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028076.0U CN203796548U (en) | 2014-01-16 | 2014-01-16 | Pump head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028076.0U CN203796548U (en) | 2014-01-16 | 2014-01-16 | Pump head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796548U true CN203796548U (en) | 2014-08-27 |
Family
ID=51378765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420028076.0U Expired - Fee Related CN203796548U (en) | 2014-01-16 | 2014-01-16 | Pump head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608903A (en) * | 2020-06-24 | 2020-09-01 | 北京华海基业机械设备有限公司 | Liquid suction and discharge valve and working method thereof |
| CN112401767A (en) * | 2019-08-20 | 2021-02-26 | 江苏美的清洁电器股份有限公司 | Cleaning box assembly and dust and gas treatment equipment with same |
-
2014
- 2014-01-16 CN CN201420028076.0U patent/CN203796548U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401767A (en) * | 2019-08-20 | 2021-02-26 | 江苏美的清洁电器股份有限公司 | Cleaning box assembly and dust and gas treatment equipment with same |
| CN111608903A (en) * | 2020-06-24 | 2020-09-01 | 北京华海基业机械设备有限公司 | Liquid suction and discharge valve and working method thereof |
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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: 20140827 Termination date: 20170116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |