CN207715787U - Inverted-cone parallel double-flashboard gate valve - Google Patents
Inverted-cone parallel double-flashboard gate valve Download PDFInfo
- Publication number
- CN207715787U CN207715787U CN201721896034.9U CN201721896034U CN207715787U CN 207715787 U CN207715787 U CN 207715787U CN 201721896034 U CN201721896034 U CN 201721896034U CN 207715787 U CN207715787 U CN 207715787U
- Authority
- CN
- China
- Prior art keywords
- axis
- hyposphene
- valve
- hole
- link block
- 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.)
- Active
Links
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model is related to a kind of inverted-cone parallel double-flashboard gate valves, it includes mutually matched insert body and valve body, the insert body includes link block, valve rod, seal disc, valve seat, expansion block and hyposphene axis, it is provided with arch through-hole in the middle part of link block, link block lower end is additionally provided with the axis hole being adapted to hyposphene axis, it is arranged in parallel with seal disc at left and right sides of link block, it is provided on seal disc and the matched projective structure of expansion block, expansion block is respectively arranged at the left and right sides of arch through-hole, the groove structure that setting is mutually permanently connected with projective structure in expansion block, the expansion block other end is provided with the ramp being adapted to hyposphene axis, there are two lower inclined planes corresponding with ramp for the setting of hyposphene axis upper end, hyposphene axis lower end is provided with and the matched bottom plate of body base, hyposphene outer shaft sleeve is equipped with elastic component.The inverted-cone parallel double-flashboard gate valve advantages of simple, of low cost, practical simple, good seal performance, service life is long, easy to spread.
Description
Technical field
The utility model is related to a kind of parallel double-flashboard gate valves, and in particular to a kind of inverted-cone parallel double-flashboard gate valve.
Background technology
That there is sealing performances is undesirable for parallel double-flashboard gate valve used at present, the reason is that the valve core structure of gate valve exists
Unreasonable problem, former spool include the components such as wedge block, expansion block structural member, and former parallel double-flashboard gate valve has several as follows ask
Topic：
1, expansion block and seal disc contact area are big, and processing parallel accuracy is extremely difficult to required precision, causes valve tightness
Can be bad, influence product quality.
2, wedge block and expansion block inclined-plane coordinate precision not high due to processing, and the big friction coefficient of contact area is high, initially
Poor performance is closed, when low pressure is difficult sealing.
Utility model content
In order to overcome the shortcomings of background technology, the utility model provides a kind of inverted-cone parallel double-flashboard gate valve, main to solve
Existing parallel double-flashboard gate valve of having determined has that sealing performance is undesirable, and the inverted-cone parallel double-flashboard gate valve is simple
Rationally, in such a way that expansion block is set in the arch hole on link block, while the lower inclined plane phase of the ramp of expansion block and hyposphene axis
Mutually cooperation drives seal disc movement to be turned on and off, greatly increases the sealing performance of parallel double-flashboard valve entirety, together
When, also has of low cost, and practical simple, good seal performance, service life is long, it is easy to spread the advantages that.
Technical solution used by the utility model is：A kind of inverted-cone parallel double-flashboard gate valve comprising have phase interworking
The insert body and valve body of conjunction, it is characterised in that：The insert body includes link block, valve rod, seal disc, valve seat, expansion block
With hyposphene axis, link block upper end is provided with is provided with arch through-hole, link block with the matched link slot of valve rod, link block middle part
Lower end is additionally provided with the axis hole being adapted to hyposphene axis, is arranged in parallel with seal disc at left and right sides of link block, is provided on seal disc
With the matched projective structure of expansion block, expansion block is respectively arranged at the left and right sides of arch through-hole, is arranged in expansion block and projective structure
The groove structure being mutually permanently connected, groove structure are arranged for cylindrical structure, and the expansion block other end is provided with to be adapted to hyposphene axis
Ramp, there are two lower inclined plane corresponding with ramp, hyposphene axis lower end is provided with and valve body bottom the setting of hyposphene axis upper end
The matched bottom plate in portion, hyposphene outer shaft sleeve are equipped with elastic component, the elastic component both ends bottom surface phase with the bottom plate and link block respectively
Mutually it is fixedly connected；The valve rod is interspersed to be set on the valve body, and valve rod lower end is provided with and is adapted with the link slot
Connector, the axial line of valve rod and the arch through-hole is mutually perpendicular to, valve rod with the axis hole on same axial line, arch
Through-hole is connected with axis hole；The link block lower end is provided with and the matched yielding screw of the hyposphene axis, hyposphene axis side
It is provided with and the matched yielding slot of yielding screw；It is provided with the valve seat on the outside of the seal disc, seals pan bottom
It offsets with the bottom plate；Be provided in the valve body with the matched cavity body structure of the insert body, valve body includes phase
The upper valve body and lower valve body mutually coordinated, upper valve body and lower valve body are mutually permanently connected by screw bolt and nut, are arranged on upper valve body
There is mounting hole corresponding with the valve rod.
The utility model has the beneficial effects that：Due to taking above-mentioned technical proposal, the inverted-cone parallel double-flashboard gate valve letter
It is single reasonable, in such a way that expansion block is set in the arch hole on link block, while the lower inclined plane of the ramp of expansion block and hyposphene axis
It cooperates, drives seal disc movement to be turned on and off, greatly increase the sealing performance of parallel double-flashboard valve entirety,
Also have simultaneously of low cost, practical simple, good seal performance, service life is long, it is easy to spread the advantages that.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of valve inner in Fig. 1.
Fig. 3 is the front view of link block 1 in Fig. 2.
Fig. 4 is the left view of link block 1 in Fig. 2.
Fig. 5 is the front view of expansion block 5 in Fig. 2.
Fig. 6 is the left view of expansion block 5 in Fig. 2.
Fig. 7 is the schematic diagram of hyposphene axis 6 in Fig. 2.
Fig. 8 is the schematic diagram of elastic component 15 in Fig. 2.
1, link block in figure；2, valve rod；3, seal disc；4, valve seat；5, expansion block；6, hyposphene axis；7, link slot；8, arch is logical
Hole；9, axis hole；10, projective structure；11, groove structure；12, ramp；13, lower inclined plane；14, bottom plate；15, elastic component；16, even
Connector；17, screw is made a concession；18, slot is made a concession；19, cavity body structure；20, upper valve body；21, lower valve body；22, bolt；23, nut；
24, mounting hole.
Specific implementation mode
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1 to Fig. 8, a kind of inverted-cone parallel double-flashboard gate valve comprising mutually matched insert body and valve
Body, the insert body include link block 1, valve rod 2, seal disc 3, valve seat 4, expansion block 5 and hyposphene axis 6, and 1 upper end of link block is set
It is equipped with and 2 matched link slot 7 of valve rod, 1 middle part of link block is provided with arch through-hole 8,1 lower end of link block is additionally provided with under
The axis hole 9 that wedge axis 6 is adapted to, 1 left and right sides of link block are arranged in parallel with seal disc 3, are provided on seal disc 3 and match with expansion block 5
The projective structure 10 of conjunction, expansion block 5 are respectively arranged at the left and right sides of arch through-hole 8, are arranged in expansion block 5 mutual with projective structure 10
The groove structure 11 being fixedly connected, groove structure 11 are arranged for cylindrical structure, and 5 other end of expansion block is provided with suitable with hyposphene axis 6
The ramp 12 matched, there are two lower inclined plane 13 corresponding with ramp 12, the settings of 6 lower end of hyposphene axis for the setting of 6 upper end of hyposphene axis
Have and be arranged with elastic component 15 outside with the matched bottom plate 14 of body base, hyposphene axis 6, elastic component 15 can play a buffer role in, bullet
Property part 15 is set as spring, and bottom surface of 15 both ends of elastic component respectively with the bottom plate 14 and link block 1 is mutually permanently connected.
The valve rod 2 is interspersed to be set on the valve body, and 2 lower end of valve rod is provided with and is adapted with the link slot 7
Connector 16, valve rod 2 and the axial line of the arch through-hole 8 be mutually perpendicular to, and valve rod 2 is with the axis hole 9 in same axial line
On, arch through-hole 8 is connected with axis hole 9.
1 lower end of the link block is provided with and 6 matched yielding screw 17 of the hyposphene axis, the setting of 6 side of hyposphene axis
Have with 17 matched yielding slot 18 of the yielding screw, make a concession screw 17 with make a concession slot 18 be combined with each other make link block 1 and under
Wedge axis 6 can be with respect to activity a distance.
3 outside of the seal disc is provided with the valve seat 4, and 3 bottom of seal disc offsets with the bottom plate 14.
Be provided in the valve body with the matched cavity body structure 19 of the insert body, valve body includes mutually matched
Upper valve body 20 and lower valve body 21, upper valve body 20 and lower valve body 21 are mutually permanently connected by bolt 22 and nut 23, upper valve body 20
On be provided with mounting hole corresponding with the valve rod 2 24.
Its course of work is as described below：When closing valve, valve rod 2 pushes link block 1, seal disc 3 and hyposphene axis 6 together
It moves downward, when the bottom plate 14 on hyposphene axis 6 touches body base, seal disc 3 and the stopping of hyposphene axis 6 move downward, but
Link block 1 continues to move downward a distance with expansion block 5, since the ramp 12 on hyposphene axis 6 and expansion block 5 is made with lower inclined plane 13
With making two seal discs 3 be moved to perpendicular to the direction of valve rod 2, until seal disc 3 contacts with the sealing surface of valve seat 4, compresses sealing,
The stoppings such as link block 1 move downward, and valve completes closing process.
When Open valve, valve rod 2 moves upwards, and link block 1 takes expansion block 5 and moved upwards with valve rod 2, while hyposphene axis
6 under the action of elastic component 15, hyposphene axis 6 in expansion block 5 ramp 12 and lower inclined plane 13 detach, make the sealing of seal disc 3
Face is detached with 4 sealing surface of valve seat, and medium enters the cavity body structure 19 of valve, and valve rod 2 is continued up with link block 1, valve
Door is gradually opened, until valve rod 2 rises late gate in place and terminates to open overall process.
The inverted-cone parallel double-flashboard gate valve advantages of simple, by the side that expansion block 5 is arranged in the arch hole on link block 1
Formula, while the ramp 12 of expansion block 5 and the lower inclined plane 13 of hyposphene axis 6 cooperate, and the movement of seal disc 3 is driven to be opened or closed
It closes, greatly increases the sealing performance of parallel double-flashboard valve entirety, while also there is of low cost, practical simple, leakproofness
Can it is good, service life is long, it is easy to spread the advantages that.
Every technical staff's notice：Although the utility model is described according to above-mentioned specific implementation mode, this
The invention thought of utility model is not limited to that utility model, any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (5)
1. a kind of inverted-cone parallel double-flashboard gate valve includes mutually matched insert body and valve body, it is characterised in that：It is described
Insert body includes link block, valve rod, seal disc, valve seat, expansion block and hyposphene axis, and link block upper end is provided with to match with valve rod
The link slot of conjunction, link block middle part are provided with arch through-hole, and link block lower end is additionally provided with the axis hole being adapted to hyposphene axis, connection
It is arranged in parallel with seal disc at left and right sides of block, is provided on seal disc and is respectively set with the matched projective structure of expansion block, expansion block
In the left and right sides of arch through-hole, the groove structure that setting is mutually permanently connected with projective structure in expansion block, groove structure is circle
Column construction is arranged, and the expansion block other end is provided with ramp be adapted to hyposphene axis, the setting of hyposphene axis upper end there are two with it is upper oblique
The corresponding lower inclined plane in face, hyposphene axis lower end is provided with is equipped with elastic component with the matched bottom plate of body base, hyposphene outer shaft sleeve,
Bottom surface of the elastic component both ends respectively with the bottom plate and link block is mutually permanently connected.
2. inverted-cone parallel double-flashboard gate valve according to claim 1, it is characterised in that：The valve rod is interspersed to be set to institute
It states on valve body, and valve rod lower end is provided with connector compatible with the link slot, the axis of valve rod and the arch through-hole
Heart line is mutually perpendicular to, and with the axis hole on same axial line, arch through-hole is connected valve rod with axis hole.
3. inverted-cone parallel double-flashboard gate valve according to claim 1, it is characterised in that：The link block lower end is provided with
With the matched yielding screw of the hyposphene axis, hyposphene axis side is provided with and the matched yielding slot of yielding screw.
4. inverted-cone parallel double-flashboard gate valve according to claim 1, it is characterised in that：It is provided on the outside of the seal disc
The valve seat, sealing pan bottom offset with the bottom plate.
5. inverted-cone parallel double-flashboard gate valve according to claim 1, it is characterised in that：It is provided in the valve body and institute
State the matched cavity body structure of insert body, valve body includes mutually matched upper valve body and lower valve body, upper valve body and lower valve body
It is mutually permanently connected by screw bolt and nut, mounting hole corresponding with the valve rod is provided on upper valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721896034.9U CN207715787U (en) | 2017-12-29 | 2017-12-29 | Inverted-cone parallel double-flashboard gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721896034.9U CN207715787U (en) | 2017-12-29 | 2017-12-29 | Inverted-cone parallel double-flashboard gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715787U true CN207715787U (en) | 2018-08-10 |
Family
ID=63051351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721896034.9U Active CN207715787U (en) | 2017-12-29 | 2017-12-29 | Inverted-cone parallel double-flashboard gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715787U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679250A (en) * | 2018-08-13 | 2018-10-19 | 四川苏克流体控制设备有限公司 | Five chip forced seal double-flashboard gate valves |
| CN109268521A (en) * | 2018-11-01 | 2019-01-25 | 江苏圣泰阀门有限公司 | A kind of double plate flap types of heavy caliber |
| WO2020034599A1 (en) * | 2018-08-16 | 2020-02-20 | 北京航天动力研究所 | Double-disc gate valve and use |
| CN112145726A (en) * | 2020-09-10 | 2020-12-29 | 济南德创试验仪器有限公司 | Flat gate valve |
| CN117108772A (en) * | 2023-10-20 | 2023-11-24 | 杭州耐特阀门股份有限公司 | Zero leakage flat gate valve |
-
2017
- 2017-12-29 CN CN201721896034.9U patent/CN207715787U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679250A (en) * | 2018-08-13 | 2018-10-19 | 四川苏克流体控制设备有限公司 | Five chip forced seal double-flashboard gate valves |
| WO2020034599A1 (en) * | 2018-08-16 | 2020-02-20 | 北京航天动力研究所 | Double-disc gate valve and use |
| US11131395B2 (en) | 2018-08-16 | 2021-09-28 | Beijing Aerospace Propulsion Institute | Double-plate gate valve and use of the same |
| CN109268521A (en) * | 2018-11-01 | 2019-01-25 | 江苏圣泰阀门有限公司 | A kind of double plate flap types of heavy caliber |
| CN109268521B (en) * | 2018-11-01 | 2019-10-11 | 江苏圣泰阀门有限公司 | A kind of double plate flap types of heavy caliber |
| CN112145726A (en) * | 2020-09-10 | 2020-12-29 | 济南德创试验仪器有限公司 | Flat gate valve |
| CN117108772A (en) * | 2023-10-20 | 2023-11-24 | 杭州耐特阀门股份有限公司 | Zero leakage flat gate valve |
| CN117108772B (en) * | 2023-10-20 | 2024-01-12 | 杭州耐特阀门股份有限公司 | Zero leakage flat gate valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207715787U (en) | Inverted-cone parallel double-flashboard gate valve | |
| CN204942602U (en) | Low wearing and tearing ball valve | |
| CN205745342U (en) | Five eccentric tilting cambered surface sealed butterfly valves | |
| CN204201139U (en) | A kind of plate valve of sealing surface separate mobile | |
| CN203413158U (en) | Trunnion ball valve | |
| CN205226446U (en) | Low moment of torsion ball valve with thrust pad | |
| CN112594413B (en) | Ball valve | |
| CN2714910Y (en) | Column valve | |
| CN202228705U (en) | Double-disc flat gate valve | |
| CN204403417U (en) | A kind of novel small-bore parallel double-flashboard gate valve | |
| CN204985808U (en) | Heavy -calibre ball valve sealed firmly | |
| CN105318025A (en) | Double-disc wedge gate valve adopting composite spring connection | |
| CN201236950Y (en) | Bidirectional hard sealed spherical butterfly valve | |
| CN203743473U (en) | Spring reset dual-acting-force parallel gate valve | |
| CN211145393U (en) | Special knife-type gate valve of SOx/NOx control | |
| CN210372060U (en) | Anti-backflow stop valve | |
| CN203718022U (en) | Ball valve | |
| CN208311517U (en) | Soft seal flat gate valve | |
| CN206190919U (en) | High performance angie type stop valve | |
| CN204942560U (en) | Top-opening type stop valve | |
| CN204004535U (en) | A kind of valve seat construction of ball valve | |
| CN104534117B (en) | A kind of low temperature prop open type ball surface gate valve | |
| CN204083345U (en) | A kind of low torque soft sealing stopcock | |
| CN205261087U (en) | Appearance meter connector that proclaimed oneself in area | |
| CN202048224U (en) | Gate calve with good sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |