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 PDFInfo
- 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
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- valve
- connecting tube
- butterfly valve
- locking
- main body
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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
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.
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
-
2015
- 2015-08-19 CN CN201520629137.3U patent/CN204942564U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
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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: 20160106 Termination date: 20200819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |