CN209483945U - A kind of wafer type butterfly valve convenient for operation - Google Patents
A kind of wafer type butterfly valve convenient for operation Download PDFInfo
- Publication number
- CN209483945U CN209483945U CN201821753503.6U CN201821753503U CN209483945U CN 209483945 U CN209483945 U CN 209483945U CN 201821753503 U CN201821753503 U CN 201821753503U CN 209483945 U CN209483945 U CN 209483945U
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- CN
- China
- Prior art keywords
- arc
- handle
- fluted disc
- tooth socket
- limited post
- Prior art date
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Abstract
The utility model discloses a kind of wafer type butterfly valves convenient for operation, it is related to valve technology field, when handle goes to suitable position, handle unclamps first, it is also moved upwards therewith in the elastic-restoring force lower limit column and limit sphere of compressed spring, it is gradually inconsistent with arc plate during the motion to limit sphere, since the center of circle of two arc-like sheets mutually close in adjacent two tooth socket is set as the same center of circle, so the entirety that two arc-like sheet is constituted also is coherent arc, when limiting sphere and this is whole inconsistent, since the resistance surface of limit sphere and arc-like sheet is all arc, so the two one contradicts, limit sphere will be slid to the circular arc direction of arc-like sheet, slid to the direction of tooth socket, so when the position inaccuracy of limited post, limited post can be automatically inserted into corresponding tooth socket, to pass through tooth socket to limit Position column is limited, and ensure that handle is also able to maintain fixation.
Description
Technical field
The utility model relates to valve technology fields, more particularly to a kind of wafer type butterfly valve convenient for operation.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.Valve can
For controlling the various types such as empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium
The flowing of fluid.Cutting and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body
Axis around its own rotates, to achieve the purpose that opening and closing or adjusting.
The Chinese patent of Publication No. CN202545839U discloses a kind of wafer type butterfly valve, including valve body, Handle of butterfly valve,
Valve shaft and valve plate, the hole valve shaft Kong Weibian that the Handle of butterfly valve end is formed, the valve shaft upper end shape and valve shaft hole
Shape matches.
Keyway connection structure is improved to the connection type of flat hole and flat bar by this wafer type butterfly valve, and torsional strength was than former
It greatly improves, while also reducing the processing cost of keyway, be even more easily installed, but due to being stayed between each tooth socket on fluted disc
There is gap, after the completion of handle rotation, can there is a situation where that the limited block on handle is contradicted just on the gap between tooth socket,
Rather than snap onto tooth socket, staff, which needs to carry out rotation again, just can ensure that handle is kept fixed state, is inconvenient.
Utility model content
Technical problem to be solved in the utility model is since there are gaps between each tooth socket on fluted disc, when handle turns
After the completion of dynamic, can there is a situation where that the limited block on handle is contradicted just on the gap between tooth socket, rather than snap onto tooth
In slot, staff, which needs to carry out rotation again, just can ensure that handle is kept fixed state, is inconvenient.
In order to solve the above technical problems, the utility model provides a kind of wafer type butterfly valve convenient for operation, including valve body,
Butterfly plate and handle, further include the position-limit mechanism for being limited to handle, and the position-limit mechanism is located in valve body including same
Fluted disc, the elastic rotation of upper end are connected to the limited post below handle and are opened on fluted disc and be embedded in from the bottom up for limited post
Tooth socket, the tooth socket is symmetrically arranged with the arc-like sheet of downward evagination, arbitrary neighborhood two along the inner wall at fluted disc circumferencial direction both ends
The center of circle of two arc-like sheets close to each other is set as the same center of circle in tooth socket, i.e., two arc-like sheet forms a complete curved portion,
The upper end of the limited post rolls and is connected with the limit sphere inconsistent with arc-like sheet.
Technical effect: when handle goes to suitable position, handle unclamps first, and pressing plate is lost away from one end of valve body at this time
Go pressing force, compressed spring gradually stretches at this time, under the elastic-restoring force of compressed spring pressing plate away from valve body one end to
Lower movement, so pressing plate is moved upwards by one end of valve body, limited post and limit sphere also move upwards therewith, spacing ball
Body is gradually inconsistent with arc plate during the motion, since the center of circle of two arc-like sheets mutually close in adjacent two tooth socket is set as
The same center of circle, so the entirety that two arc-like sheet is constituted also is coherent arc, when limiting sphere and this is whole inconsistent, by
It is all arc in the resistance surface of limit sphere and arc-like sheet, so the two one contradicts, limit sphere will be to the circular arc of arc-like sheet
Direction is slid, i.e., is slid to the direction of tooth socket, so limited post can be automatic when the position inaccuracy of limited post
It is inserted into corresponding tooth socket, to limit by tooth socket to limited post, ensure that handle is also able to maintain fixation.
The technical solution that the utility model further limits is: handle includes gripping handle along fluted disc axis rotation, edge
Vertical direction is articulated with pressing plate on the downside of gripping handle, is resiliently attached to pressing plate deviates from away from fluted disc one end and gripping handle
Compressed spring between fluted disc one end.
Further, pressing plate offers several skid resistance strips on the downside of fluted disc one end.
A kind of preceding wafer type butterfly valve convenient for operation, limited post are connected to pressing plate by the upper of fluted disc one end vertically
Side.
A kind of preceding wafer type butterfly valve convenient for operation, tooth socket (411) are equidistant along the circumferencial direction of fluted disc (41)
Interval setting, and the included angle between two tooth sockets of head and the tail (411) is set as 90 degree.
A kind of preceding wafer type butterfly valve convenient for operation, tooth socket are set as and limit along the width of fluted disc circumferencial direction
The diameter of column is equal.
The beneficial effects of the utility model are:
(1) the utility model, by the setting of gripping handle so that staff more easily holds entire handle
It holds, upper and lower displacement is carried out to limited post so that staff can be convenient by the setting of pressing plate, passes through setting for compressed spring
It sets and pressing plate is automatically reset when not being pressed power, to guarantee that limited post can be stable is inserted into tooth socket
In, it ensure that entire handle when without rotation, can make the position of itself more stable, more make entire butterfly plate can be with
It effectively keeps it turning on or closed state, improves the stability and reliability of entire butterfly valve；
(2) setting of the utility model, skid resistance strip increases the frictional force between the hand of staff and pressing plate,
When so that staff holding gripping handle and presses pressing plate, the phenomenon that being more not likely to produce rubber sleeve,
Being vertically arranged for limited post is inserted into limited post more completely in tooth socket, so that handle and butterfly plate can be with
The more firm state for maintaining itself, is not likely to produce offset；
(3) the utility model, included angle of the fluted disc between two tooth sockets at itself circumferencial direction both ends are set as 90 degree,
When limited post is inserted into respectively in the two tooth sockets, butterfly plate is exactly in the state for completely closing and fully opening, and thus may be used
Entire butterfly valve is opened and closed with more convenient, and the width of tooth socket is equal with the diameter of limited post, so that limit
Column will not generate the offset of fluted disc circumferencial direction when being inserted into tooth socket, ensure that the stability of entire butterfly valve.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model；
Fig. 2 is the enlarged diagram in Fig. 2 at A；
Fig. 3 is the structural schematic diagram of fluted disc in the utility model.
Wherein: 1, valve body；2, butterfly plate；3, handle；31, gripping handle；32, pressing plate；321, skid resistance strip；33, it compresses
Spring；4, position-limit mechanism；41, fluted disc；411, tooth socket；412, arc-like sheet；42, limited post；43, sphere is limited；5, curved portion.
Specific embodiment
A kind of wafer type butterfly valve convenient for operation provided in this embodiment, structure is as shown in Figure 1 to Figure 3, including valve body 1,
The inner rotation of valve body 1 is connected with butterfly plate 2, and the upper end of valve body 1 is rotatably connected to handle 3, and handle 3 and butterfly plate 2 are coaxially disposed.
Handle 3 includes the gripping handle 31 being coaxially disposed with butterfly plate 2, and the downside of gripping handle 31 is hinged with pressing plate 32,
Pressing plate 32 is rotated upwardly and downwardly along the vertical direction, and pressing plate 32 offers several tread plates on the downside of 1 one end of valve body
Line 321, pressing plate 32 are elasticly connected with compression bullet between one end of valve body 1 away from one end of valve body 1 and gripping handle 31
Spring 33；Pressing plate 32 is elasticly connected with vertical limited post 42 on the upside of 1 one end of valve body, and the upper end of limited post 42 rolls connection
There is limit sphere 43, and the diameter for limiting sphere 43 is set as equal with the diameter of 42 cross section of limited post.
The upper end of valve body 1 is coaxially arranged with fluted disc 41, and fluted disc 41 is set between gripping handle 31 and limited post 42, tooth
Several tooth sockets 411 for supreme insertion under limited post 42 are offered on disk 41, tooth socket 411 is between circumferencial direction of fluted disc 41 etc.
It is arranged away from interval, and the included angle on fluted disc 41 between two tooth sockets 411 at itself circumferencial direction both ends is set as 90 degree, tooth
Slot 411 is set as equal with the diameter of limited post 42 along the width of 41 circumferencial direction of fluted disc；Tooth socket 411 is along 41 circumferencial direction of fluted disc
The arc-like sheet 412 of downward evagination, and two arc-like sheets 412 mutually close in adjacent two tooth socket 411 are symmetrically arranged on the inner wall at both ends
The center of circle be set as the same center of circle, i.e., two arc-like sheet 412 form a complete curved portion 5.
When being opened and closed to butterfly valve, needs to rotate handle 3, first hold gripping handle 31 and pressing plate 32 simultaneously
It holds in the hand, then pressing plate 32 is pressed with finger, the skid resistance strip 321 in pressing plate 32 presses finger
When be not susceptible to skid the phenomenon that, pressing plate 32 away from valve body 1 one end pressing effect under move upwards, so pressing plate 32
One end by valve body 1 moves downward, and limited post 42 also moves downward therewith, until limited post 42 is detached from from tooth socket 411 completely,
Grip state is kept at this time, and handle 3 is rotated simultaneously, the rotation of handle 3 drives entire butterfly plate 2 to be rotated, thus
Complete the operation opened and closed to butterfly valve.
When handle 3 goes to suitable position, first handle 3 unclamp, at this time pressing plate 32 away from valve body 1 one end lose by
Pressure, compressed spring 33 gradually stretches at this time, and pressing plate 32 deviates from one end of valve body 1 under the elastic-restoring force of compressed spring 33
It moves downward, so pressing plate 32 is moved upwards by one end of valve body 1, limited post 42 and limit sphere 43 are also transported upwards therewith
Dynamic, limit sphere 43 is gradually inconsistent with arc plate during the motion, due to two arcs mutually close in adjacent two tooth socket 411
The center of circle of piece 412 is set as the same center of circle, so the entirety that two arc-like sheet 412 is constituted also is coherent arc, works as spacing ball
When body 43 and the inconsistent entirety, since the resistance surface of limit sphere 43 and arc-like sheet 412 is all arc, so the two one is supported
Touching, limit sphere 43 will be slid to the circular arc direction of arc-like sheet 412, i.e., be slid to the direction of tooth socket 411, so
When the position inaccuracy of limited post 42, limited post 42 can be automatically inserted into corresponding tooth socket 411, to pass through tooth socket
411 pairs of limited posts 42 limit, and ensure that handle 3 is also able to maintain fixation.
In addition to the implementation, the utility model can also have other embodiments；It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (6)
1. a kind of wafer type butterfly valve convenient for operation, including valve body (1), butterfly plate (2) and handle (3), it is characterised in that: also wrap
The position-limit mechanism (4) for being limited to handle (3) is included, the position-limit mechanism (4) includes being located in valve body (1) upper end together
Fluted disc (41), elastic rotation are connected to the limited post (42) below handle (3) and are opened on fluted disc (41) for limited post
(42) tooth socket (411) being embedded in from the bottom up, the tooth socket (411) symmetrically set along the inner wall at fluted disc (41) circumferencial direction both ends
There is an arc-like sheet (412) of downward evagination, the center of circle of two arc-like sheets (412) close to each other is set in two tooth socket of arbitrary neighborhood (411)
It is set to the same center of circle, i.e., two arc-like sheet (412) forms a complete curved portion (5), and the upper end of the limited post (42) rolls
It is connected with and arc-like sheet (412) inconsistent limit sphere (43).
2. a kind of wafer type butterfly valve convenient for operation according to claim 1, it is characterised in that: handle (3) packet
The pressing plate for including the gripping handle (31) along fluted disc (41) axis rotation, being articulated on the downside of gripping handle (31) along the vertical direction
(32), pressing plate (32) are resiliently attached to deviate between fluted disc (41) one end away from fluted disc (41) one end and gripping handle (31)
Compressed spring (33).
3. a kind of wafer type butterfly valve convenient for operation according to claim 2, it is characterised in that: the pressing plate (32)
Several skid resistance strips (321) are offered on the downside of fluted disc (41) one end.
4. a kind of wafer type butterfly valve convenient for operation according to claim 1, it is characterised in that: the limited post (42)
It is connected to the upside that pressing plate (32) lean on fluted disc (41) one end vertically.
5. a kind of wafer type butterfly valve convenient for operation according to claim 1, it is characterised in that: the tooth socket (411)
It is equidistantly spaced setting along the circumferencial direction of fluted disc (41), and the included angle between two tooth sockets of head and the tail (411) is set as 90 degree.
6. a kind of wafer type butterfly valve convenient for operation according to claim 5, it is characterised in that: the tooth socket (411)
It is set as equal with the diameter of limited post (42) along the width of fluted disc (41) circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753503.6U CN209483945U (en) | 2018-10-26 | 2018-10-26 | A kind of wafer type butterfly valve convenient for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753503.6U CN209483945U (en) | 2018-10-26 | 2018-10-26 | A kind of wafer type butterfly valve convenient for operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209483945U true CN209483945U (en) | 2019-10-11 |
Family
ID=68114425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821753503.6U Expired - Fee Related CN209483945U (en) | 2018-10-26 | 2018-10-26 | A kind of wafer type butterfly valve convenient for operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209483945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049949A (en) * | 2020-09-27 | 2020-12-08 | 上海沪工阀门制造有限公司 | Oblique butt-clamping butterfly valve |
-
2018
- 2018-10-26 CN CN201821753503.6U patent/CN209483945U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049949A (en) * | 2020-09-27 | 2020-12-08 | 上海沪工阀门制造有限公司 | Oblique butt-clamping butterfly valve |
| CN112049949B (en) * | 2020-09-27 | 2022-08-23 | 上海沪工阀门制造有限公司 | Oblique butt-clamping butterfly valve |
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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: 20191011 Termination date: 20211026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |