CN204942564U - A kind of handle type butterfly valve for pipe-line system - Google Patents

A kind of handle type butterfly valve for pipe-line system Download PDF

Info

Publication number
CN204942564U
CN204942564U CN201520629137.3U CN201520629137U CN204942564U CN 204942564 U CN204942564 U CN 204942564U CN 201520629137 U CN201520629137 U CN 201520629137U CN 204942564 U CN204942564 U CN 204942564U
Authority
CN
China
Prior art keywords
valve
connecting tube
butterfly valve
locking
main body
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
Application number
CN201520629137.3U
Other languages
Chinese (zh)
Inventor
陈富文
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.)
Changzhou Hongsheng Technology Co Ltd
Original Assignee
Changzhou Hongsheng 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 Changzhou Hongsheng Technology Co Ltd filed Critical Changzhou Hongsheng Technology Co Ltd
Priority to CN201520629137.3U priority Critical patent/CN204942564U/en
Application granted granted Critical
Publication of CN204942564U publication Critical patent/CN204942564U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Lift Valve (AREA)

Abstract

The utility model relates to a kind of handle type butterfly valve for pipe-line system, comprise butterfly valve main body, first valve cylinder, rotatingshaft, lever and valve disc, described butterfly valve main body is fixedly connected in the first valve cylinder, described valve disc is arranged in butterfly valve main body, rubber seal is provided with between described valve disc and butterfly valve main body, described rotatingshaft is connected with valve disc with butterfly valve main body through the first valve cylinder successively, described lever is connected with rotatingshaft, one end of described first valve cylinder is connected with the first flange, the other end of described first valve cylinder is connected with extending device, described extending device is provided with the second flange, described valve disc is provided with two to four relief valves.The design carrys out the connection distance of regulating handle formula butterfly valve by the extending device being connected to first valve cylinder one end, thus serves the effect increasing its practicability.

Description

A kind of handle type butterfly valve for pipe-line system
Technical field
The utility model relates to pipe-line system field, particularly a kind of handle type butterfly valve for pipe-line system.
Background technique
In existing technology, transmission shaft and valve are flexibly connected, butterfly valve exists because pressure and the long-time reason using wearing and tearing, the connection of valve block and transmission shaft meeting there will be loosening or ruptures, after a long time use, transmission shaft can the effect of being stressed occur swinging, thus affect the sealing effect of valve, reduce the problems such as the reliability of system.
Summary of the invention
The utility model technical issues that need to address are connection distances that extending device by being connected to first valve cylinder one end carrys out regulating handle formula butterfly valve, thus serve the effect increasing its practicability; A kind of handle type butterfly valve for pipe-line system is provided.
For solving above-mentioned technical problem, structure of the present utility model comprises butterfly valve main body, first valve cylinder, rotatingshaft, lever and valve disc, described butterfly valve main body is fixedly connected in the first valve cylinder, described valve disc is arranged in butterfly valve main body, rubber seal is provided with between described valve disc and butterfly valve main body, described rotatingshaft is connected with valve disc with butterfly valve main body through the first valve cylinder successively, described lever is connected with rotatingshaft, one end of described first valve cylinder is connected with the first flange, the other end of described first valve cylinder is connected with extending device, described extending device is provided with the second flange, described valve disc is provided with two to four relief valves.
Further: described relief valve comprises the second valve cylinder, spool, spring and valve gap, described valve gap is connected to the left end of the second valve cylinder, described spool is movably connected in the second valve cylinder, described spool is connected with valve gap by spring, offer overflow ducts in the sidewall of the second described valve cylinder, the position relative to overflow ducts on described valve gap is provided with through hole.
Further again: described extending device comprises two symmetrical up and down locking terminations, first connecting tube and the second connecting tube, the both sides of described two locking terminations respectively arrange an engaging lug seat, the engaging lug seat of described two locking terminations is threaded connection assembly and is fixed connection, described engaging lug seat offers the through hole matched with screwed assembly, two described locking terminations are be composed of a fixed connection by the first locking termination and the second locking termination all respectively, the first described connecting tube is connected between the first locking termination of upper and lower two locking terminations, the second described connecting tube is connected between the second locking termination of upper and lower two locking terminations, the second described connecting tube stretches to the inside of the first connecting tube, the first described connecting tube is fixedly connected with one end of the first valve cylinder, described second flange is arranged on the outlet end of the second connecting tube.
Further again: external diameter and first internal diameter of locking termination of described first connecting tube match, external diameter and second internal diameter of locking termination of the second described connecting tube match, and the internal diameter of described first connecting tube and the external diameter of the second connecting tube match.
Further again: described lever is provided with pressure switch.
After adopting said structure, the utility model carrys out the connection distance of regulating handle formula butterfly valve by the extending device being connected to first valve cylinder one end, thus serves the effect increasing its practicability; And the design plays the effect of self-protection by relief valve, preventing butterfly valve main body and valve disc from causing the damage of self structure when being subject to excessive pressure, decreasing unnecessary loss.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of relief valve.
Embodiment
A kind of handle type butterfly valve for pipe-line system as shown in Figure 1, comprise butterfly valve main body 2, first valve cylinder 1, rotatingshaft 3, lever 4 and valve disc, described butterfly valve main body 2 is fixedly connected in the first valve cylinder 1, described valve disc is arranged in butterfly valve main body 2, rubber seal is provided with between described valve disc and butterfly valve main body 2, described rotatingshaft 3 is connected with valve disc with butterfly valve main body 2 through the first valve cylinder 1 successively, described lever 4 is connected with rotatingshaft 3, one end of described first valve cylinder 1 is connected with the first flange 11, the other end of described first valve cylinder 1 is connected with extending device, described extending device is provided with the second flange 12, described valve disc is provided with two to four relief valves 13, described lever 4 is provided with pressure switch.The design regulates the length of extending device according to as installed situation, thus be connected in pipe-line system by the first flange 11 and the second flange 12 handle shank type butterfly valve, in the process of conveying, lever 4 can be rotated by opening pressure switch, rotatingshaft 3 is utilized to rotate with valve disc, cross-section area when regulating fluid to flow by rotating valve disc, thus complete the adjustment of fluid flow rate.The utility model carrys out the connection distance of regulating handle formula butterfly valve by the extending device being connected to first valve cylinder one end, thus serves the effect increasing its practicability.And the design playing the effect of self-protection by setting up relief valve, preventing butterfly valve main body and valve disc from causing the damage of self structure when being subject to excessive pressure, decreasing unnecessary loss.
Relief valve 13 as shown in Figure 2 comprises the second valve cylinder 14, spool 16, spring 17 and valve gap 15, described valve gap 15 is connected to the left end of the second valve cylinder 14, described spool 16 is movably connected in the second valve cylinder 14, described spool 16 is connected with valve gap 15 by spring 17, offer overflow ducts 18 in the sidewall of the second described valve cylinder 14, described valve gap 15 is provided with through hole 19 relative to the position of overflow ducts 18.When butterfly valve main body and valve disc are subject to excessive pressure, relief valve 13 can start voluntarily, spool 16 can constantly move to valve gap 15 by extrusion spring 17 under the effect of the pressure, when spool 16 moved overflow ducts 18 be positioned at the outlet port of the second valve cylinder 14 time, too much fluid can be run out of along overflow ducts 18 from through hole, thus serve the effect reducing pressure, when after the pressure reduction that spool 16 is subject to, spring 17 can reverse push movable valve plug 16 make it block outlet that overflow ducts 18 is positioned at the second valve cylinder 14, thus make pressure not in reduction, spool 16 also progressively can be returned to original position under the effect of spring 17.The design plays the effect of self-protection by relief valve, preventing butterfly valve main body and valve disc from causing the damage of self structure when being subject to excessive pressure, decreasing unnecessary loss.
Extending device as shown in Figure 1 comprises two symmetrical up and down locking terminations, first connecting tube 5 and the second connecting tube 6, the both sides of described two locking terminations respectively arrange an engaging lug seat 9, the engaging lug seat 9 of described two locking terminations is threaded connection assembly and is fixed connection, described engaging lug seat 9 offers the through hole 10 matched with screwed assembly, two described locking terminations are be composed of a fixed connection by the first locking termination 7 and the second locking termination 8 all respectively, the first described connecting tube 5 is connected between the first locking termination 7 of upper and lower two locking terminations, the second described connecting tube 6 is connected between the second locking termination 8 of upper and lower two locking terminations, the second described connecting tube stretches to the inside of the first connecting tube 5, the first described connecting tube 5 is fixedly connected with one end of the first valve cylinder 1, described second flange 12 is arranged on the outlet end of the second connecting tube 6, external diameter and first internal diameter of locking termination 7 of the first described connecting tube 5 match, and external diameter and second internal diameter of locking termination 8 of the second described connecting tube 6 match, and the internal diameter of described first connecting tube 5 and the external diameter of the second connecting tube 6 match.When needing the connecting length of regulating handle formula butterfly valve, first unclamping screwed assembly regulates the second connecting tube 6 to stretch into length in the first connecting tube 5, then threaded together connection part utilizes symmetrical up and down two locking terminations to complete being fixedly connected with the first connecting tube 5 and the second connecting tube 6, and the length that the second connecting tube 6 is stretched in the first connecting tube 5 no longer changes.The design provides adjustment second connecting tube 6 to stretch into length in the first connecting tube 5 to change the connecting length of handle type butterfly valve, thus the design is served to the effect increasing practicability.

Claims (5)

1. the handle type butterfly valve for pipe-line system, it is characterized in that: comprise butterfly valve main body (2), first valve cylinder (1), rotatingshaft (3), lever (4) and valve disc, described butterfly valve main body (2) is fixedly connected in the first valve cylinder (1), described valve disc is arranged in butterfly valve main body (2), rubber seal is provided with between described valve disc and butterfly valve main body (2), described rotatingshaft (3) is connected with valve disc with butterfly valve main body (2) through the first valve cylinder (1) successively, described lever (4) is connected with rotatingshaft (3), one end of described first valve cylinder (1) is connected with the first flange (11), the other end of described first valve cylinder (1) is connected with extending device, described extending device is provided with the second flange (12), described valve disc is provided with two to four relief valves (13).
2. a kind of handle type butterfly valve for pipe-line system according to claim 1, it is characterized in that: described relief valve (13) comprises the second valve cylinder (14), spool (16), spring (17) and valve gap (15), described valve gap (15) is connected to the left end of the second valve cylinder (14), described spool (16) is movably connected in the second valve cylinder (14), described spool (16) is connected with valve gap (15) by spring (17), overflow ducts (18) is offered in the sidewall of described the second valve cylinder (14), described valve gap (15) is provided with through hole (19) relative to the position of overflow ducts (18).
3. a kind of handle type butterfly valve for pipe-line system according to claim 1, it is characterized in that: described extending device comprises two symmetrical up and down locking terminations, first connecting tube (5) and the second connecting tube (6), the both sides of described two locking terminations respectively arrange an engaging lug seat (9), the engaging lug seat (9) of described two locking terminations is threaded connection assembly and is fixed connection, described engaging lug seat (9) offers the through hole (10) matched with screwed assembly, two described locking terminations are be composed of a fixed connection by the first locking termination (7) and the second locking termination (8) all respectively, described the first connecting tube (5) is connected between the first locking termination (7) of upper and lower two locking terminations, described the second connecting tube (6) is connected between the second locking termination (8) of upper and lower two locking terminations, the second described connecting tube stretches to the inside of the first connecting tube (5), described the first connecting tube (5) is fixedly connected with one end of the first valve cylinder (1), described second flange (12) is arranged on the outlet end of the second connecting tube (6).
4. a kind of handle type butterfly valve for pipe-line system according to claim 3, it is characterized in that: the internal diameter that the external diameter and first of described first connecting tube (5) locks termination (7) matches, the internal diameter that the external diameter and second of described the second connecting tube (6) locks termination (8) matches, and the internal diameter of described first connecting tube (5) and the external diameter of the second connecting tube (6) match.
5. a kind of handle type butterfly valve for pipe-line system according to claim 1, is characterized in that: described lever (4) is provided with pressure switch.
CN201520629137.3U 2015-08-19 2015-08-19 A kind of handle type butterfly valve for pipe-line system Expired - Fee Related CN204942564U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520629137.3U CN204942564U (en) 2015-08-19 2015-08-19 A kind of handle type butterfly valve for pipe-line system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520629137.3U CN204942564U (en) 2015-08-19 2015-08-19 A kind of handle type butterfly valve for pipe-line system

Publications (1)

Publication Number Publication Date
CN204942564U true CN204942564U (en) 2016-01-06

Family

ID=55009996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520629137.3U Expired - Fee Related CN204942564U (en) 2015-08-19 2015-08-19 A kind of handle type butterfly valve for pipe-line system

Country Status (1)

Country Link
CN (1) CN204942564U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107883088A (en) * 2017-10-21 2018-04-06 南京中鸿润宁新材料科技有限公司 A kind of novel connecting pipe
CN107883103A (en) * 2017-10-21 2018-04-06 南京中鸿润宁新材料科技有限公司 A kind of Novel 90-degree bend pipe
CN109252221A (en) * 2018-10-16 2019-01-22 徐州振丰原喷灌设备有限公司 A kind of water segregator for cooling system of single crystal furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107883088A (en) * 2017-10-21 2018-04-06 南京中鸿润宁新材料科技有限公司 A kind of novel connecting pipe
CN107883103A (en) * 2017-10-21 2018-04-06 南京中鸿润宁新材料科技有限公司 A kind of Novel 90-degree bend pipe
CN109252221A (en) * 2018-10-16 2019-01-22 徐州振丰原喷灌设备有限公司 A kind of water segregator for cooling system of single crystal furnace

Similar Documents

Publication Publication Date Title
CN204942564U (en) A kind of handle type butterfly valve for pipe-line system
CN204459330U (en) A kind of leading type overflow pressure-stabilizing valve
CN103291679B (en) Low-hysteresis overflow valve
CN206647055U (en) A kind of choke manifold variable path erosion resistance pipe nipple
CN203686277U (en) Safety relief valve
CN201386841Y (en) Tube-type back pressure valve
CN204140531U (en) Relief valve
CN203335949U (en) Lifting type check valve
CN204942562U (en) A kind of horizontal type needle valve
CN204755956U (en) Manual valve
CN203656291U (en) Stacked pressure reducing valve
CN204387406U (en) A kind of adjustable shaft flow type back valve
CN104879511A (en) Angle stop valve
CN207906528U (en) A kind of through type can shut off the safe hydraulic pressure connection valve of voltage stabilizing
CN202561165U (en) Safety pressure relief device of valve
CN103511696B (en) A kind of excess flow valve that can realize automatically reseting with zero leakage
CN102155543B (en) Self-location stop valve
CN205714094U (en) A kind of full-automatic pressure release plug
CN219366904U (en) Superimposed three-way pilot pressure reducing valve
CN204114183U (en) A kind of direct insertion Angle Stop valves
CN207893166U (en) A kind of diameter ball valves such as high intensity service life
CN205173521U (en) Prevent leakage control valve
CN204042052U (en) A kind of plastics connect ball valve
CN214946644U (en) Novel pressure release valve
CN201875168U (en) Multifunctional anti-theft valve

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: 20160106

Termination date: 20200819

CF01 Termination of patent right due to non-payment of annual fee