CN203488738U - Butterfly valve for pipeline - Google Patents
Butterfly valve for pipeline Download PDFInfo
- Publication number
- CN203488738U CN203488738U CN201320618041.8U CN201320618041U CN203488738U CN 203488738 U CN203488738 U CN 203488738U CN 201320618041 U CN201320618041 U CN 201320618041U CN 203488738 U CN203488738 U CN 203488738U
- Authority
- CN
- China
- Prior art keywords
- valve
- handle
- support
- end plate
- barrel portion
- 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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- Lift Valve (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model discloses a butterfly valve for a pipeline. The butterfly valve comprises a valve body, a valve clack and a handle. The valve clack is located in the space formed by a hemispheric groove of a left valve body part and a hemispheric groove of a right valve body part. The lower end of a valve rod located inside a shell sleeve is connected with the valve clack, a lock disk is fixed to the upper end face of the shell sleeve, a plurality of positioning grooves are formed in the circumferential direction of the lock disk, the handle is installed at the upper end of the valve rod located above the lock disk, the middle of a pressing rod is movably connected with the middle of the handle through a rotary shaft, one end of the pressing rod is embedded into the positioning grooves of the lock disk, a first support is composed of a connecting rod, a first end plate and a first side plate connecting the connecting rod and the first end plate, a second support is composed of a second end plate and a second side plate, and one end of a U-shaped locking rod is embedded into a circular hole of the first end plate and a circular hole of the second end plate in sequence. According to the butterfly valve for the pipeline, when a ball valve is completely opened or closed, the problem that the valve is abnormally opened and closed due to handle rotation caused by other factors is avoided on the condition of non-man-made unlocking.
Description
Technical field
The utility model relates to a kind of butterfly valve for pipeline, belongs to butterfly valve technical field.
Background technique
Butterfly valve is again Flap valve, is a kind of modulating valve simple in structure, and the switch that also can be used for low pressure pipeline medium is simultaneously controlled.Butterfly valve refers to that closure member (flap or butterfly plate) is disk, rotates to reach a kind of valve of open and close around valve shaft, and on pipeline, main rising cut off and throttling action.Butterfly valve open-shut device is a discoidal butterfly plate, and the axis around himself in valve body rotates, thereby reaches the object that opens and closes or regulate.
Summary of the invention
The purpose of this utility model is to provide a kind of butterfly valve for pipeline, this butterfly valve for pipeline at ball valve when opening completely or closing, can guarantee the in the situation that of non-artificial unblanking, can not produce the improper keying that rotatable handle causes valve because of other factors.
For achieving the above object, the technical solution adopted in the utility model is: a kind of butterfly valve for pipeline, comprise by center and all there is the left valve barrel portion of passage, valve body, flap and the handle that right valve barrel portion forms, be positioned at described left valve barrel portion, right valve barrel portion end flange end face is separately equipped with semi-spherical grooves, described flap is positioned at by left valve barrel portion, the right valve barrel portion space that semi-spherical grooves forms separately;
The one valve rod lower end that is positioned at valve jacket is connected with described flap, described valve jacket upper-end surface is fixed with a lock collar, this lock collar circumferentially offers some positioning grooves, one handle is installed on the valve rod upper end that is positioned at lock collar top, the middle part of one depression bar is flexibly connected by rotatingshaft with described handle middle part, and one end of this depression bar embeds in the positioning groove of described lock collar;
Described the first support is by connecting rod, the first end plate and be connected connecting rod and the first side plate of the first end plate forms, described the second support is comprised of the second end plate, the second side plate, the connecting rod of described the first support runs through successively through hole separately of depression bar and handle and is connected with the second side plate of the second support, one U-lock bar one end embeds the circular hole of the first end plate, the second end plate successively, and the other end of this U-lock bar is installed on a tapered end.
In technique scheme, further improvement project is as follows:
In such scheme, a spring fitting is in described depression bar and handle separately between end.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
The utility model is for the butterfly valve of pipeline, its one handle is installed on the valve rod upper end that is positioned at lock collar top, the middle part of one depression bar is flexibly connected by rotatingshaft with described handle middle part, one end of this depression bar embeds in the positioning groove of described lock collar, depression bar one side is fixed with a spring bolt with through hole, one U-lock bar cramp is held described depression bar and handle and its one end and is embedded in the through hole of described spring bolt, the lower end of this U-lock bar is installed on a tapered end, at ball valve when opening completely or closing, can guarantee the in the situation that of non-artificial unblanking, can not produce the improper keying that rotatable handle causes valve because of other factors, secondly, it increases working life, simple in structure, and the danger operating has fallen in operating mode for ball valve in HEATING BOX greatly, and operation and installation are simple and easy convenient.
Accompanying drawing explanation
Accompanying drawing 1 is the butterfly valve structural representation of the utility model for pipeline;
Accompanying drawing 2 is the butterfly valve partial structurtes schematic diagram of the utility model for pipeline;
Accompanying drawing 3 is the utility model the first support and the second supporting structure schematic diagram.
In above accompanying drawing: 1, left valve barrel portion; 2, right valve barrel portion; 3, valve body; 4, tapered end; 5, spring; 6, flap; 7, handle; 8, end flange; 9, semi-spherical grooves; 10, valve jacket; 11, valve rod; 12, lock collar; 121, positioning groove; 13, depression bar; 14, rotatingshaft; 15, the first support; 151, connecting rod; 152, the first end plate; 153, the first side plate; 16, the second support; 161, the second end plate; 162, the second side plate; 17, through hole; 18, U-lock bar.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of butterfly valve for pipeline, comprise by center and all there is the left valve barrel portion 1 of passage, valve body 3, flap 6 and the handle 7 that right valve barrel portion 2 forms, be positioned at described left valve barrel portion 1, right valve barrel portion 2 end flange 8 end faces are separately equipped with semi-spherical grooves 9, described flap 6 is positioned at by left valve barrel portion 1, right valve barrel portion 2 space that semi-spherical grooves 9 forms separately;
One valve rod 11 lower ends that are positioned at valve jacket 10 are connected with described flap 6, described valve jacket 10 upper-end surfaces are fixed with a lock collar 12, this lock collar 12 circumferentially offers some positioning grooves 121, one handle 7 is installed on valve rod 11 upper ends that are positioned at lock collar 12 tops, the middle part of one depression bar 13 is flexibly connected by rotatingshaft 14 with described handle 7 middle parts, and one end of this depression bar 13 embeds in the positioning groove 121 of described lock collar 12;
Described the first support 15 is by connecting rod 151, the first end plate 152 and be connected connecting rod 151 and the first side plate 153 of the first end plate 152 forms, described the second support 16 is comprised of the second end plate 161, the second side plate 162, the connecting rod 151 of described the first support 15 runs through successively through hole 17 separately of depression bar 13 and handle 7 and is connected with the second side plate 162 of the second support 16, one U-lock bar 18 one end embed the circular hole of the first end plate 152, the second end plate 161 successively, and the other end of this U-lock bar 18 is installed on a tapered end 4.
One spring 5 is installed on described depression bar 13 and handle 7 separately between end.
While adopting the butterfly valve that is used for pipeline, its one handle is installed on the valve rod upper end that is positioned at lock collar top, the middle part of one depression bar is flexibly connected by rotatingshaft with described handle middle part, one end of this depression bar embeds in the positioning groove of described lock collar, depression bar one side is fixed with a spring bolt with through hole, one U-lock bar cramp is held described depression bar and handle and its one end and is embedded in the through hole of described spring bolt, the lower end of this U-lock bar is installed on a tapered end, at ball valve when opening completely or closing, can guarantee the in the situation that of non-artificial unblanking, can not produce the improper keying that rotatable handle causes valve because of other factors, secondly, it increases working life, simple in structure, and the danger operating has fallen in operating mode for ball valve in HEATING BOX greatly, and operation and installation are simple and easy convenient.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (2)
1. the butterfly valve for pipeline, it is characterized in that: comprise by center and all there is the left valve barrel portion (1) of passage, valve body (3), flap (6), the first support (15), the second support (16) and the handle (7) that right valve barrel portion (2) forms, be positioned at described left valve barrel portion (1), right valve barrel portion (2) end flange (8) end face separately and be equipped with semi-spherical grooves (9), described flap (6) is positioned at by left valve barrel portion (1), right valve barrel portion (2) space that semi-spherical grooves (9) forms separately;
One valve rod (11) lower end that is positioned at valve jacket (10) is connected with described flap (6), described valve jacket (10) upper-end surface is fixed with a lock collar (12), this lock collar (12) circumferentially offers some positioning grooves (121), one handle (7) is installed on valve rod (11) upper end that is positioned at lock collar (12) top, the middle part of one depression bar (13) is flexibly connected by rotatingshaft (14) with described handle (7) middle part, and one end of this depression bar (13) embeds in the positioning groove (121) of described lock collar (12);
Described the first support (15) is by connecting rod (151), the first end plate (152) forms with the first side plate (153) that is connected connecting rod (151) and the first end plate (152), described the second support (16) is by the second end plate (161), the second side plate (162) forms, the connecting rod (151) of described the first support (15) runs through successively through hole (17) separately of depression bar (13) and handle (7) and is connected with second side plate (162) of the second support (16), one U-lock bar (18) one end embeds the first end plate (152) successively, the circular hole of the second end plate (161), the other end of this U-lock bar (18) is installed on a tapered end (4).
2. the butterfly valve for pipeline according to claim 1, is characterized in that: a spring (5) is installed on described depression bar (13) and handle (7) separately between end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618041.8U CN203488738U (en) | 2013-09-30 | 2013-09-30 | Butterfly valve for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618041.8U CN203488738U (en) | 2013-09-30 | 2013-09-30 | Butterfly valve for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488738U true CN203488738U (en) | 2014-03-19 |
Family
ID=50259573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320618041.8U Expired - Fee Related CN203488738U (en) | 2013-09-30 | 2013-09-30 | Butterfly valve for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488738U (en) |
-
2013
- 2013-09-30 CN CN201320618041.8U patent/CN203488738U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |