CN108678946A - A kind of check valve for the pump housing - Google Patents

A kind of check valve for the pump housing Download PDF

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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
Application number
CN201810855661.0A
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Chinese (zh)
Inventor
万刚
侯帅涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Jiyuan Huiyi Hydraulic Technology Co Ltd
Original Assignee
Hefei Jiyuan Huiyi Hydraulic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei Jiyuan Huiyi Hydraulic Technology Co Ltd filed Critical Hefei Jiyuan Huiyi Hydraulic Technology Co Ltd
Priority to CN201810855661.0A priority Critical patent/CN108678946A/en
Publication of CN108678946A publication Critical patent/CN108678946A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10Valves; Arrangement of valves

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  • 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

A kind of check valve for the pump housing
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.
CN201810855661.0A 2018-07-31 2018-07-31 A kind of check valve for the pump housing Pending CN108678946A (en)

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

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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)

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CN (1) CN108678946A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20181019

RJ01 Rejection of invention patent application after publication