CN203743600U - Ore-pulp valve - Google Patents
Ore-pulp valve Download PDFInfo
- Publication number
- CN203743600U CN203743600U CN201420070158.1U CN201420070158U CN203743600U CN 203743600 U CN203743600 U CN 203743600U CN 201420070158 U CN201420070158 U CN 201420070158U CN 203743600 U CN203743600 U CN 203743600U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- ore pulp
- valve rod
- filler
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an ore-pulp valve. The ore-pulp valve is characterized by comprising a valve body, a valve base, a flashboard, packing, a packing gland, a valve rod and a driving mechanism, wherein the valve rod is sleeved with the packing, and the packing gland is arranged at the upper end of the valve body. One end of the valve rod is connected with the flashboard, and the other end of the valve rod is connected with the driving mechanism. A valve base sealing ring is arranged in the valve base and comprises a left valve base sealing ring body and a right valve base sealing ring body. The flashboard is arranged between the left valve base sealing ring body and the right valve base sealing ring body to be in seal contact with the left valve base sealing ring body and the right valve base sealing ring body. Both the left valve base sealing ring body and the right valve base sealing ring body are made of rubber materials, wherein metal frameworks are embedded in the rubber materials. A grease containing cavity is formed in the contact portion of the packing and the valve rod. According to the ore-pulp valve, the structural design of the packing is improved, so that abrasion to the packing and the valve rod is reduced, and leakproofness of the position between the packing and the valve rod is improved.
Description
Technical field
The utility model relates to a kind of valve field, and more particularly, it relates to a kind of ore pulp valve.
Background technique
At present, use the medium of valve normally to contain the ore pulp of solid particle in mine, therefore valve is just had to particular/special requirement.General valve uses two problems that are prone to be most on this industrial and mineral: because causing flashboard (being spool) frictional force to increase, the long-pending slurry of valve pocket of valve make valve switch ineffective, and even stuck; Seriously make valve not long working life owing to conventionally containing solid particle in ore pulp to the erosive wear of the sealing surface between flashboard and valve seat.
Application number is that 201110120777 Chinese patent discloses a kind of soft sealing-type ore-pulp valve, and it comprises valve body, upper valve base, lower valve base, flashboard, filler and Gland, and described upper valve base and lower valve base are the rubber material of embedded metal framework ring.Be provided with the blowdown end cap with drain plug in the bottom of described valve body.Although this soft sealing-type ore-pulp valve has good sealing, easy to loading and unloading, but there is following defect in this soft sealing-type ore-pulp valve: 1, filler part is established unreasonable cause filler and stem wear serious, thereby affect the sealing between filler and valve rod; 2, the structural design of upper and lower valve seat is unreasonable, causes soft sealing-type ore-pulp valve valve opening and closing very flexible.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of ore pulp valve, and this ore pulp valve has improved the structural design of filler, and the wearing and tearing that reduced between filler and valve rod have improved the sealing between filler and valve rod.
For achieving the above object, the utility model provides following technological scheme: a kind of ore pulp valve, comprise valve body, valve seat, flashboard, be sheathed on the filler on valve rod, the Gland of valve body upper end, valve rod and driving mechanism, one end of described valve rod is connected with flashboard, the other end is connected with driving mechanism, in described valve seat, be provided with valve seat insert, described valve seat insert comprises left valve seat insert, right valve seat insert, described flashboard is placed in a left side, between right valve seat insert and form sealing contact, a described left side, right valve seat insert is the rubber material of embedded metal skeleton, between described filler and the contact position of valve rod, be provided with and hold fat chamber.
The utility model is further set to: a side of the corresponding valve rod of described filler be provided with at least two with the valve rod contacting part being connected of conflicting, between described two adjacent contact portions, be provided with depressed part, contacting part and depressed part are wholely set, described depressed part formation appearance fat chamber.
The utility model is further set to: a side of the described corresponding valve rod of filler is waveform, and the crest of described filler forms contacting part, and the region between described two adjacent contact portions forms appearance fat chamber.
The utility model is further set to: described filler is filler rubber bar, and described filler rubber bar is cylindrical shape.
By adopting technique scheme, the side contacting with valve rod at filler arranges holds fat chamber, the design of this structure can store grease, because ore pulp valve is in opening and closing process, what valve rod was regular moves in filler, and both rub and can destroy the oil film between valve rod and contacting part, now hold the grease storing in fat chamber and will play supplementary function, make between filler and valve rod all the time in lubricating status the wearing and tearing of less valve rod and filler.
The utility model is further set to: the face that described valve seat insert contacts with valve seat forms outer wall, described outer wall is provided with circular protrusion thing, described circular protrusion thing is near valve rod one side setting, described circular protrusion thing is conflicted and is connected with valve seat, described circular protrusion thing forms line with valve seat circumferential surface and contacts, and between described valve seat and outer wall, forms texturing zone.
The utility model is further set to: the opposite side that described valve seat insert is provided with circular protrusion thing relatively forms inwall, and the corresponding circular protrusion thing of described inwall place is provided with annular recess, and the cross section of described annular recess is circular arc.
The utility model is further set to: described left and right valve seat insert seals with flashboard the one end contacting and is all wedge shape setting.
By adopting technique scheme, at the outer wall of valve seat insert, circular protrusion thing is set, the corresponding circular protrusion thing of inwall place arranges the annular recess that cross section is circular arc, between outer wall and valve seat, form texturing zone, valve seal seat is arranged to wedge shape, the design of this structure just can make flashboard frictional force between valve seat insert and flashboard in opening or closing smaller, reduce flashboard and open required power, make the more laborsaving convenience of keying of flashboard, valve seat insert has a texturing zone in the time being subject to flashboard extrusion-deformation, while just having overcome valve seat insert distortion in prior art, protrude the defect of extruding increase frictional force toward flashboard direction, circular protrusion thing forms line with valve seat circumferential surface and contacts, make the solid impurity in medium be difficult for remaining in the sealing position between valve seat insert and valve seat, thereby effectively reduce the abrasion condition between valve seat insert and valve seat, improve the sealability of whole valve and the working life of the whole valve of prolongation.
The utility model is further set to: on described valve body, be also provided with greasing hole.
By adopting technique scheme, the design in greasing hole can realize does not need to open Gland with regard to realizing interpolation grease, has the advantages that conveniently add grease.
The utility model is further set to: described metal frame comprises the first metal frame, the second metal frame, and described the first metal frame is near the one side setting of circular protrusion thing, and described the second metal frame departs from valve rod one side setting.
By adopting technique scheme, two kinds of metal frames are set, two kinds of metal frames all play a supportive role, arranging of the first metal frame is mainly to play a supportive role in the time that valve seat insert is subject to the squeezing action of flashboard, and the second metal frame is mainly to play a supportive role be subject to extraneous flange extruding in the time that valve seat insert is installed time.
The utility model is further set to: described driving mechanism comprises cylinder assembly, described cylinder assembly comprises and for controlling the positioning work piece of ram movement stroke, described valve rod is connected and (it should be noted that herein with cylinder assembly, driving mechanism also can handwheel, valve rod is directly connected with handwheel, considering automatic control degree, is the mode of pneumatic drive therefore the present embodiment preferably adopts).
By adopting technique scheme, valve adopts pneumatic drive mode, and switching speed is fast, and automatic control level is high.
Brief description of the drawings
Fig. 1 is the utility model ore pulp valve embodiment's structural representation;
Fig. 2 is the utility model ore pulp valve embodiment's plan view;
Fig. 3 is the A portion zoomed-in view in Fig. 1;
Fig. 4 is the B portion zoomed-in view in Fig. 1;
Fig. 5 is the structural representation of the right valve seat insert of the utility model ore pulp valve embodiment;
Fig. 6 is the structural representation of ore pulp valve embodiment in prior art.
Reference character: 1, valve body; 11, greasing hole; 2, valve seat; 21, seat seal ring; 211, left valve seat insert; 212, right valve seat insert; 213, outer wall; 2131, circular protrusion thing; 214, inwall; 2141, annular recess; 3, flashboard; 4, filler rubber bar; 41, contacting part; 42, hold fat chamber; 5, Gland; 6, valve rod; 7, cylinder assembly; 71, positioning work piece; 8, texturing zone; 9, the first metal frame; 10, the second metal frame.
Embodiment
Referring to figs. 1 through Fig. 6, the utility model ore pulp valve embodiment is described further.
A kind of ore pulp valve, comprise valve body 1, valve seat 2, flashboard 3, be sheathed on the filler rubber bar 4 on valve rod 6, the Gland 5 of valve body 1 upper end, valve rod 6 and cylinder assembly 7, one end of valve rod 6 is connected with flashboard 3, the other end is connected with cylinder assembly 7, in valve seat 2, be provided with valve seat insert 21, valve seat insert 21 comprises left valve seat insert 211, right valve seat insert 212, flashboard 3 is placed in a left side, right valve seat insert 211, between 212, form sealing contact, left, right valve seat insert 211, 212 are embedded first, two metal frames 9, 10 rubber material, one side of filler rubber bar 4 corresponding valve rods 6 is set to waveform, the crest of filler rubber bar 4 forms contacting part 41, contacting part 41 is conflicted and is connected with valve rod 6, region between two adjacent contact portions 41 forms appearance fat chamber 42, greasing hole 11 is set on valve body 1, can conveniently add grease.
The face that left and right valve seat insert 211,212 contacts with valve seat 2 all forms outer wall 213, outer wall 213 is provided with circular protrusion thing 2131, circular protrusion thing 2131 is near valve rod 6 one side settings, circular protrusion thing 2131 is conflicted and is connected with valve seat 2, circular protrusion thing 2131 forms line with valve seat 2 circumferential surfaces and contacts, and between valve seat 2 and outer wall 213, forms texturing zone 8.The opposite side that valve seat insert 21 is provided with circular protrusion thing 2131 relatively forms inwall 214, the corresponding circular protrusion thing of inwall 214 2131 places are provided with annular recess 2141, the cross section of described annular recess 2141 is circular arc, such a design is just equivalent to whole left valve seat insert 211(or right valve seat insert 212) be divided into two parts, a part forms sealing with flashboard 3, between the outer wall 213 of this part and valve seat 2, there is a texturing zone 8, in the time that flashboard 3 cuts out (or unlatching), this part will be subject to the extrusion-deformation of flashboard 3 and along with flashboard 3 moves down together, because there is the design of annular recess 2141, this part that can only make to contact with flashboard 3 plays metamorphosis, because have the existence of texturing zone 8 just can make this part entirety all can move down just overcome prior art in when flashboard 3 opens or cuts out, when left valve seat insert 211 is out of shape, protruding extruding toward flashboard 3 directions increases the defect of frictional force.More than design just can make flashboard 3 in unlatching or in closing the frictional force between left and right valve seat insert 211,212 and flashboard 3 smaller, reduce flashboard 3 and open required power, make the keying of flashboard 3 more laborsaving convenient, improved ore pulp valve flexibility.The design of cylinder assembly 7, positioning work piece 71, valve adopts pneumatic drive mode, and switching speed is fast, and automatic control level is high.
Claims (10)
1. an ore pulp valve, comprise valve body, valve seat, flashboard, be sheathed on the filler on valve rod, the Gland of valve body upper end, valve rod and driving mechanism, one end of described valve rod is connected with flashboard, the other end is connected with driving mechanism, in described valve seat, be provided with valve seat insert, described valve seat insert comprises left valve seat insert, right valve seat insert, described flashboard is placed in a left side, between right valve seat insert and form sealing contact, a described left side, right valve seat insert is the rubber material of embedded metal skeleton, it is characterized in that: between described filler and the contact position of valve rod, be provided with and hold fat chamber.
2. ore pulp valve according to claim 1, it is characterized in that: a side of the corresponding valve rod of described filler be provided with at least two with the valve rod contacting part being connected of conflicting, between described two adjacent contact portions, be provided with depressed part, contacting part and depressed part are wholely set, and described depressed part forms appearance fat chamber.
3. ore pulp valve according to claim 2, is characterized in that: a side of the described corresponding valve rod of filler is waveform, and the crest of described filler forms contacting part, and the region between described two adjacent contact portions forms appearance fat chamber.
4. according to the ore pulp valve described in claim 1 or 2 or 3, it is characterized in that: described filler is filler rubber bar, described filler rubber bar is cylindrical shape.
5. ore pulp valve according to claim 3, it is characterized in that: the face that described valve seat insert contacts with valve seat forms outer wall, described outer wall is provided with circular protrusion thing, described circular protrusion thing is near valve rod one side setting, described circular protrusion thing is conflicted and is connected with valve seat, described circular protrusion thing forms line with valve seat circumferential surface and contacts, and between described valve seat and outer wall, forms texturing zone.
6. ore pulp valve according to claim 4, is characterized in that: the opposite side that described valve seat insert is provided with circular protrusion thing relatively forms inwall, and the corresponding circular protrusion thing of described inwall place is provided with annular recess, and the cross section of described annular recess is circular arc.
7. ore pulp valve according to claim 5, is characterized in that: described left and right valve seat insert seals with flashboard the one end contacting and is all wedge shape setting.
8. ore pulp valve according to claim 1 and 2, is characterized in that: on described valve body, be also provided with greasing hole.
9. ore pulp valve according to claim 1 and 2, is characterized in that: described metal frame comprises the first metal frame, the second metal frame, and described the first metal frame is near the one side setting of circular protrusion thing, and described the second metal frame departs from valve rod one side setting.
10. ore pulp valve according to claim 1, is characterized in that: described driving mechanism comprises cylinder assembly, and described cylinder assembly comprises and for controlling the positioning work piece of ram movement stroke, described valve rod is connected with cylinder assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070158.1U CN203743600U (en) | 2014-02-18 | 2014-02-18 | Ore-pulp valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070158.1U CN203743600U (en) | 2014-02-18 | 2014-02-18 | Ore-pulp valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743600U true CN203743600U (en) | 2014-07-30 |
Family
ID=51343401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420070158.1U Withdrawn - After Issue CN203743600U (en) | 2014-02-18 | 2014-02-18 | Ore-pulp valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019279A (en) * | 2014-02-18 | 2014-09-03 | 浙江冠力阀门有限公司 | Ore pulp valve |
-
2014
- 2014-02-18 CN CN201420070158.1U patent/CN203743600U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019279A (en) * | 2014-02-18 | 2014-09-03 | 浙江冠力阀门有限公司 | Ore pulp valve |
| CN104019279B (en) * | 2014-02-18 | 2017-03-01 | 浙江冠力阀门有限公司 | Ore pulp valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |