CN108678946A - A kind of check valve for the pump housing - Google Patents
A kind of check valve for the pump housing Download PDFInfo
- Publication number
- CN108678946A CN108678946A CN201810855661.0A CN201810855661A CN108678946A CN 108678946 A CN108678946 A CN 108678946A CN 201810855661 A CN201810855661 A CN 201810855661A CN 108678946 A CN108678946 A CN 108678946A
- Authority
- CN
- China
- Prior art keywords
- fixed
- valve body
- sliding bar
- check valve
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of check valves for the pump housing, are related to check valve technical field.The present invention includes valve body, spool and adjusting part, a fixed ring is fixed in valve body, fixed ring inner wall is fixed with a guide sleeve by four the first struts, spool includes guiding shell and piston, guiding shell coordinates with valve body slides, one inner wall of guiding shell is fixed with a spring, adjusting part includes sliding bar and rotating bar, sliding bar is slidably matched with guide sleeve, one surface of sliding bar is fixed with eight teeth, sliding bar one end is fixed with a spring cup by the second strut, and one surface of spring cup is fixedly connected with spring one end.The present invention drives rotating bar rotation by rotating change, rotating bar band moving gear rotates, sliding bar is driven to be slided along guide sleeve by gear and being used cooperatively for teeth, to distance between regulating piston and spring cup, solve the problems, such as to flow into end pressure range when existing check valve is unable to control dredging.
Description
Technical field
The invention belongs to check valve technical fields, more particularly to a kind of check valve for the pump housing.
Background technology
Check valve, which is fluid, to be flowed along water inlet, and water outlet medium can not but flow back, and be commonly called as check valve, check valve is again
Claim check-valves or non-return valve, for preventing oil stream reverse flow in hydraulic system, or for preventing compression empty in pneumatic system
Gas reverse flow, check valve have two kinds of through type and right-angle type, and straight check valve is threadedly coupled on pipeline, right angle
Formula check valve has threaded connection, board-like connection and three kinds of forms of flanged joint.
One end input fluid is discharged traditional check valve from the other end when in use, however in the state of invariablenes pressure of liquid,
The elastic force that spring provides is always ensured that the piston on spool blocks blocking ring, can not adjust opening for check valve according to pressure when dredging
It closes, and will appear the case where spring limit reduces after long-term use, replacement in time is needed to avoid influencing making for check valve
With.
Invention content
The purpose of the present invention is to provide a kind of check valves for the pump housing, and rotating bar rotation is driven by rotating change,
Rotating bar band moving gear rotates, and drives sliding bar to be slided along guide sleeve by gear and being used cooperatively for teeth, to adjust
Distance between piston and spring cup solves the problems, such as to flow into end pressure range when existing check valve is unable to control dredging.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of check valve for the pump housing, including valve body, spool and adjusting part, is fixed in the valve body
One fixed ring, the fixed ring inner wall are fixed with a guide sleeve by four the first struts;
The spool includes guiding shell and piston, and the guiding shell coordinates with valve body slides, and one inner wall of the guiding shell is solid
Surely there is a spring;
The adjusting part includes sliding bar and rotating bar, and the sliding bar is slidably matched with guide sleeve, the sliding bar
One surface is fixed with eight teeth, and described sliding bar one end is fixed with a spring cup, one table of the spring cup by the second strut
Face is fixedly connected with spring one end;
Described rotating bar one end is fixed with a gear, and the gear is engaged with teeth, and the rotating bar other end runs through valve
Body and be fixed with a change, the rotating bar week side pass through bearing and be rotatablely connected with body wall.
Further, the valve interior wall offers a logical hydraulic fluid port, the guiding shell week side offer four through-holes, institute
It states valve interior wall and is fixed with blocking ring, the cross section of the blocking ring is ladder structure of right angle.
Further, the piston is made of the first putty block and the second putty block, the cross section of the first putty block
For trapezium structure, the second putty block is cylindrical structure, the second putty block and blocking ring clearance fit, the second putty block
It is made of rubber material.
Further, annularly uniformly there are four guide rod, one surfaces of the fixed ring for fixation on the spring cup one surface
It opens up there are four through hole, the guide rod is slidably matched with through hole, and guide rod and being used cooperatively for through hole are oriented to.
Further, the guide sleeve is made of arc ring and one group of baffle, the sliding bar week side be equipped with flat part,
The teeth are fixed on flat part, and the distance between two described baffles are more than the length of teeth, model of the difference in 1mm-2mm
It encloses.
Further, change week side offers 20 anti-slip tanks.
The invention has the advantages that:
The present invention drives rotating bar rotation, rotating bar band moving gear to rotate by rotating change, passes through gear and teeth
With the use of driving sliding bar to be slided along guide sleeve, sliding bar drives spring cup to piston motion, to give spring one in advance
A power, dredging could be realized by flowing into when the pressure at end improves, the pressure range at inflow end when can control dredging, and with using
When time improves, spring limit reduces, and only need to rotate the distance between change adjustment spring lid and piston to improve work
Elastic force between plug and spring cup can continue to use check valve, improve the service life of check valve.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of check valve for the pump housing of the present invention;
Fig. 2 is the structural side view of the present invention;
Fig. 3 is the structure sectional view at A-A in Fig. 2;
Fig. 4 is the structural schematic diagram of spool, adjusting part and fixed ring;
Fig. 5 is the structural schematic diagram of adjusting part and fixed ring;
Fig. 6 is the structural schematic diagram of sliding bar and guide sleeve;
In attached drawing, parts list represented by the reference numerals are as follows:
1- valve bodies, 2- spools, 3- adjusting parts, 101- fixed rings, the first struts of 102-, 103- guide sleeves, the logical oil of 104-
Mouthful, 105- blocking rings, 201- guiding shells, 202- pistons, 203- springs, 204- through-holes, 301- sliding bars, 302- rotating bars, 303-
Teeth, the second struts of 304-, 305- spring cups, 306- gears, 307- changes, 308- bearings, 309- guide rods, 1031- arcs
Ring, 1032- baffles, 2021- the first putty blocks, 2022- the second putty blocks, 3011- flat parts.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -6, the present invention is a kind of check valve for the pump housing, including valve body 1, spool 2 and adjusting group
Part 3 is fixed with a fixed ring 101 in valve body 1, and 101 inner wall of fixed ring is fixed with a guide sleeve by four the first struts 102
103;
Spool 2 includes guiding shell 201 and piston 202, and guiding shell 201 is slidably matched with valve body 1,201 1 inner wall of guiding shell
It is fixed with a spring 203;
Adjusting part 3 includes sliding bar 301 and rotating bar 302, and sliding bar 301 is slidably matched with guide sleeve 103, sliding bar
301 1 surfaces are fixed with eight teeth 303, and 301 one end of sliding bar is fixed with a spring cup 305, spring by the second strut 304
305 1 surface of lid is fixedly connected with 203 one end of spring;
302 one end of rotating bar is fixed with a gear 306, and gear 306 is engaged with teeth 303, and 302 other end of rotating bar runs through
Valve body 1 and it is fixed with a change 307,302 weeks sides of rotating bar pass through bearing 308 and are rotatablely connected with 1 side wall of valve body.
Wherein as shown in figure 3,1 inner wall of valve body offers a logical hydraulic fluid port 104,201 weeks sides of guiding shell offer four and lead to
Hole 204,1 inner wall of valve body are fixed with blocking ring 105, and the cross section of blocking ring 105 is ladder structure of right angle.
Wherein as shown in Figure 3 and Figure 4, piston 202 is made of the first putty block 2021 and the second putty block 2022, and first is stifled
Expect that the cross section of block 2021 is trapezium structure, the second putty block 2022 is cylindrical structure, the second putty block 2022 and blocking ring 105
Clearance fit, the second putty block 2022 are made of rubber material.
Wherein as shown in figure 5,305 1 surface of spring cup is annularly uniformly fixed, there are four guide rod 309, fixed rings 101
One surface is opened up there are four through hole, and guide rod 309 is slidably matched with through hole, and guide rod 309 and through hole are used cooperatively
It is oriented to.
Wherein as shown in fig. 6, guide sleeve 103 is made of arc ring 1031 and one group of baffle 1032,301 weeks sides of sliding bar
Equipped with flat part 3011, teeth 303 are fixed on flat part 3011, and the distance between two baffles 1032 are more than the length of teeth 303
Degree, range of the difference in 1mm-2mm.
Wherein as shown in Figure 4 and Figure 5,307 weeks sides of change offer 20 anti-slip tanks.
One of the present embodiment has particular application as:When being passed through fluid, valve body 1 is flowed into from one end of blocking ring 105, pressure reaches
When push piston 202 and guiding shell 201 to be slided along valve body 1, fluid passes through blocking ring 105, logical hydraulic fluid port 104, spring 204, spring
Lid 305 and fixed ring 101 are discharged from 1 other end of valve body, when needing to adjust inflow end pressure range when dredging, rotate change 307,
Change 307 drives rotating bar 302 to rotate, and rotating bar 302 is rotated with moving gear 306, and gear 306 and teeth 303 are used cooperatively
Sliding bar 301 is driven to be slided along guide sleeve 103, sliding bar 301 drives spring cup 305 to be moved to piston 202, to give in advance
203 1 power of spring, flow into end pressure improve when could realize dredging.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of check valve for the pump housing, including valve body (1) and spool (2), it is characterised in that:Further include adjusting part (3),
A fixed ring (101) is fixed in the valve body (1), fixed ring (101) inner wall is fixed by several first struts (102)
There is a guide sleeve (103);
The spool (2) includes guiding shell (201) and piston (202), and the guiding shell (201) is slidably matched with valve body (1), institute
It states (201) one inner wall of guiding shell and is fixed with a spring (203);
The adjusting part (3) includes sliding bar (301) and rotating bar (302), the sliding bar (301) and guide sleeve (103)
It is slidably matched, (301) one surface of the sliding bar is fixed with several teeth (303), and described sliding bar (301) one end passes through second
Strut (304) is fixed with a spring cup (305), and (305) one surface of the spring cup is fixedly connected with spring (203) one end;
Described rotating bar (302) one end is fixed with a gear (306), and the gear (306) is engaged with teeth (303), described turn
Lever (302) other end is through valve body (1) and is fixed with a change (307), and all sides of the rotating bar (302) pass through bearing
(308) it is rotatablely connected with valve body (1) side wall.
2. a kind of check valve for the pump housing according to claim 1, which is characterized in that valve body (1) inner wall opens up
There are a logical hydraulic fluid port (104), all sides of the guiding shell (201) to offer several through-holes (204), valve body (1) inner wall is fixed
There is blocking ring (105), the cross section of the blocking ring (105) is ladder structure of right angle.
3. a kind of check valve for the pump housing according to claim 1 or 2, which is characterized in that the piston (202) is by
The cross section of one putty block (2021) and the second putty block (2022) composition, the first putty block (2021) is trapezium structure,
The second putty block (2022) is cylindrical structure, the second putty block (2022) and blocking ring (105) clearance fit.
4. a kind of check valve for the pump housing according to claim 1, which is characterized in that (305) one table of the spring cup
Face is annularly uniformly fixed with several guide rods (309), and (101) one surface of the fixed ring offers several through holes, described
Guide rod (309) is slidably matched with through hole.
5. a kind of check valve for the pump housing according to claim 1, which is characterized in that the guide sleeve (103) is by arc
Shape ring (1031) and one group of baffle (1032) composition, all sides of the sliding bar (301) are equipped with flat part (3011), the teeth
(303) it is fixed on flat part (3011), the distance between two described baffles (1032) are more than the length of teeth (303), difference
In the range of 1mm-2mm.
6. a kind of check valve for the pump housing according to claim 1, which is characterized in that all sides of the change (307)
Offer several anti-slip tanks.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810855661.0A CN108678946A (en) | 2018-07-31 | 2018-07-31 | A kind of check valve for the pump housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810855661.0A CN108678946A (en) | 2018-07-31 | 2018-07-31 | A kind of check valve for the pump housing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108678946A true CN108678946A (en) | 2018-10-19 |
Family
ID=63814913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810855661.0A Pending CN108678946A (en) | 2018-07-31 | 2018-07-31 | A kind of check valve for the pump housing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108678946A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111852819A (en) * | 2020-07-15 | 2020-10-30 | 河南城建学院 | Automatic fine-tuning distance-compensating mechanical control equipment |
CN113068478A (en) * | 2021-04-02 | 2021-07-06 | 安徽科技学院 | High-temperature germination accelerating equipment for researching high-temperature-resistant action mechanism of wheat |
CN113775800A (en) * | 2021-09-30 | 2021-12-10 | 建安消防设备(浙江)有限公司 | Valve body structure for fire control |
CN116044345A (en) * | 2023-01-07 | 2023-05-02 | 江苏苏盐阀门机械有限公司 | Be applied to oil recovery from shut-off valve |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB220028A (en) * | 1923-05-01 | 1924-08-01 | John Morris & Sons Ltd | Improvements in back pressure valves for the pumps of fire engines |
US20060021659A1 (en) * | 2004-07-30 | 2006-02-02 | Bo Andersson | Hose adapter incorporating a valve and a method of manufacturing the same |
CN203770759U (en) * | 2014-04-22 | 2014-08-13 | 宁波市镇海华力液压机电有限公司 | Check valve |
US9032993B2 (en) * | 2012-06-14 | 2015-05-19 | Honeywell International Inc. | Handle mechanism for an HVAC damper actuator |
CN204692670U (en) * | 2014-12-27 | 2015-10-07 | 内蒙古包钢钢联股份有限公司 | Rapid refueling one-way valve |
CN205207808U (en) * | 2015-12-18 | 2016-05-04 | 浙江爱仕达生活电器有限公司 | Coffee machine pressure regulating valve |
-
2018
- 2018-07-31 CN CN201810855661.0A patent/CN108678946A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB220028A (en) * | 1923-05-01 | 1924-08-01 | John Morris & Sons Ltd | Improvements in back pressure valves for the pumps of fire engines |
US20060021659A1 (en) * | 2004-07-30 | 2006-02-02 | Bo Andersson | Hose adapter incorporating a valve and a method of manufacturing the same |
US9032993B2 (en) * | 2012-06-14 | 2015-05-19 | Honeywell International Inc. | Handle mechanism for an HVAC damper actuator |
CN203770759U (en) * | 2014-04-22 | 2014-08-13 | 宁波市镇海华力液压机电有限公司 | Check valve |
CN204692670U (en) * | 2014-12-27 | 2015-10-07 | 内蒙古包钢钢联股份有限公司 | Rapid refueling one-way valve |
CN205207808U (en) * | 2015-12-18 | 2016-05-04 | 浙江爱仕达生活电器有限公司 | Coffee machine pressure regulating valve |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111852819A (en) * | 2020-07-15 | 2020-10-30 | 河南城建学院 | Automatic fine-tuning distance-compensating mechanical control equipment |
CN113068478A (en) * | 2021-04-02 | 2021-07-06 | 安徽科技学院 | High-temperature germination accelerating equipment for researching high-temperature-resistant action mechanism of wheat |
CN113775800A (en) * | 2021-09-30 | 2021-12-10 | 建安消防设备(浙江)有限公司 | Valve body structure for fire control |
CN113775800B (en) * | 2021-09-30 | 2023-11-28 | 建安消防设备(浙江)有限公司 | Valve body structure for fire control |
CN116044345A (en) * | 2023-01-07 | 2023-05-02 | 江苏苏盐阀门机械有限公司 | Be applied to oil recovery from shut-off valve |
CN116044345B (en) * | 2023-01-07 | 2023-09-01 | 江苏苏盐阀门机械有限公司 | Be applied to oil recovery from shut-off valve |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108678946A (en) | A kind of check valve for the pump housing | |
US20200400000A1 (en) | Frac system with hydraulic energy transfer system | |
CN108167478A (en) | A kind of screw propelling three-way valve | |
CN103671995A (en) | Two-piston type axial flow regulating valve | |
RU2467233C2 (en) | Valve | |
KR20150079872A (en) | A fluid cylinder | |
RU2366846C1 (en) | Control valve | |
CN210266653U (en) | Valve with rust-resistant function that loses | |
CN108825805A (en) | A kind of valve of quick control fluid flow | |
CN207777725U (en) | A kind of axial flow control valve | |
CN106050681A (en) | Water pump with double water outlets | |
RU104656U1 (en) | AXIAL TYPE VALVE | |
RU91398U1 (en) | CHECK VALVE | |
CN219221276U (en) | Novel valve | |
CN207406848U (en) | A kind of leakproof check valve apparatus | |
CN205036637U (en) | Retractable drain pump | |
DE3121103C2 (en) | Diaphragm pump | |
CN220581259U (en) | Gear pump capable of easily adjusting flow | |
CN219954330U (en) | Loose joint vertical check valve | |
CN208185504U (en) | Integrated ball valve | |
CN209261947U (en) | A kind of overflow valve, hydraulic system and engineering machinery | |
RU139006U1 (en) | REVERSE SHUTTER | |
CN212338324U (en) | Integrated valve | |
CN209385735U (en) | A kind of double-plate slow check-valves | |
CN110878844B (en) | Ball valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |
|
RJ01 | Rejection of invention patent application after publication |