CN207064686U - A kind of gate valve - Google Patents
A kind of gate valve Download PDFInfo
- Publication number
- CN207064686U CN207064686U CN201721035909.6U CN201721035909U CN207064686U CN 207064686 U CN207064686 U CN 207064686U CN 201721035909 U CN201721035909 U CN 201721035909U CN 207064686 U CN207064686 U CN 207064686U
- Authority
- CN
- China
- Prior art keywords
- screen pack
- fluid passage
- valve body
- ring
- support bar
- 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.)
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Abstract
The utility model discloses a kind of gate valve, flashboard including the valve body containing fluid passage, for opening and closing fluid passage, wherein one end of valve rod is located in valve body and is connected with flashboard, the other end is located at outside valve body and is provided with handwheel, flashboard is set to move up and down by rotating handwheel, madial wall in fluid passage, which caves inward, to form installation step, wherein screen pack is placed on installation step by the Single port of fluid passage, the wherein end face of screen pack and installation step is inconsistent, and other end is provided with press component；The press component includes pressing pressure ring and retainer ring, by being provided with holddown spring between pressure ring and retainer ring；Wherein support bar is fixed on retainer ring in fluid passage through valve body, holddown spring can drive compresses screen pack when needing to change screen pack by pressure ring, unclamp support bar, taken out successively from runner channel retainer ring and by pressure ring, release the fixation to screen pack, realize and filtering is dismantled, and can be changed or be cleaned.
Description
Technical field
Valve field is the utility model is related to, more specifically, it relates to a kind of gate valve.
Background technology
Gate valve is also known as knife door lock valve, blade type Parallel Slide Valves, and its opening and closing element is flashboard, the direction of motion and flow direction of flashboard
It is perpendicular, by medium can be cut off with the knife-edge flashboard of cutting fiber material.
One end of valve rod, wherein valve rod of traditional gate valve including the valve body containing fluid passage, for opening and closing fluid passage
It is connected in valve body with flashboard, the other end is located at outside valve body and is provided with handwheel, is made by rotating handwheel above and below flashboard
Motion, so as to reach the purpose of opening and closing gate valve.
Some coarse impurities are wherein frequently present of in fluid, in order to avoid valve is by coarse impurities impact failure or stifled
Plug, would generally set a screen pack, at present, Patent No. CN201420608624.7 Chinese patent discloses in some gate valves
A kind of split type gate valve with screen pack, although this gate valve has filtering function, when changing screen pack, it is necessary to first tear open
Lower gate valve, then separates two-stage valve body again, could change screen pack, operating difficulties, be not convenient to use and safeguard.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of gate valve, and it is simple in construction, change
Screen pack.
To achieve the above object, the utility model provides following technical scheme：
A kind of gate valve, including the valve body containing fluid passage, one end of flashboard, wherein valve rod for opening and closing fluid passage
It is connected in valve body with flashboard, the other end is located at outside valve body and is provided with handwheel, is made by rotating handwheel above and below flashboard
Motion, the madial wall in fluid passage are caved inward to form installation step, and wherein screen pack is put by the Single port of fluid passage
In on installation step, the wherein end face of screen pack and installation step is inconsistent, and other end is provided with press component；The pressing
Component includes pressing pressure ring and retainer ring, by being provided with holddown spring between pressure ring and retainer ring；Wherein support bar passes through valve body handle
Retainer ring is fixed in fluid passage, and holddown spring can drive compresses screen pack by pressure ring.
The utility model is further set：One layer of graphite flake is provided between the screen pack and fluid passage.
The utility model is further set：The end face by pressure ring towards screen pack is provided with sealing ring, wherein sealing
Ring is hollow-core construction, wherein compressing screen pack by sealing ring by pressure ring.
The utility model is further set：The valve body offers the fixing hole passed through for support bar, in fixing hole and branch
Filler is filled between strut, one end of the support bar contradicts retainer ring through fixing hole, and the other end is provided with gland, wherein pressing
Lid is fixed on valve body, and gland is threadedly coupled with support bar.
The utility model beneficial effect：When needing to change screen pack, support bar is unclamped, retainer ring and by pressure ring successively
Taken out from runner channel, release the fixation to screen pack, realized and filtering is dismantled, and can be changed or be cleaned, mistake
Filter screen, retainer ring and it is sequentially placed into by pressure ring in runner channel, screen pack is resisted against on installation step, and is compressed by pressure ring
Filter screen, retainer ring compression holddown spring is promoted further along so that remained by pressure ring to screen pack impaction state, avoid making
During, loosen.
Brief description of the drawings
Fig. 1 is a kind of sectional view of gate valve embodiment of the utility model；
Fig. 2 is the sectional view in A-A directions in Fig. 1；
Fig. 3 is the sectional view in B-B directions in Fig. 1.
Description of reference numerals：1st, valve body；11st, fluid passage；12nd, installation step；13rd, fixing hole；2nd, flashboard；3rd, valve rod；
4th, handwheel；5th, screen pack；6th, press component；61st, by pressure ring；62nd, retainer ring；63rd, holddown spring；7th, support bar；8th, gland；9、
Graphite flake.
Embodiment
1 to Fig. 3 a kind of gate valve embodiment of the utility model is described in further details referring to the drawings.
A kind of gate valve, including the valve body 1 containing fluid passage 11, the wherein flashboard 2 for opening and closing fluid passage 11, valve rod
3 one end is located in valve body 1 and is connected with flashboard 2, and the other end is located at outside valve body 1 and is provided with handwheel 4, by rotating handwheel 4
To make flashboard 2 move up and down, the madial wall in fluid passage 11 caves inward to form installation step 12, and wherein screen pack 5 passes through
The Single port of fluid passage 11 is placed on installation step 12, and the wherein end face of screen pack 5 and installation step 12 is inconsistent, another
End face is provided with press component 6；The press component 6 includes pressing pressure ring 61 and retainer ring 62, by pressure ring 61 and retainer ring 62 it
Between be provided with holddown spring 63；Wherein support bar 7 is fixed on retainer ring 62 in fluid passage 11 through valve body 1, holddown spring 63
It can drive and compress screen pack 5 by pressure ring 61, when needing to change screen pack 5, support bar 7 be unclamped, retainer ring 62 and by pressure ring
61 take out from runner channel successively, release the fixation to screen pack 5, realize to filtering dismantle, and can be changed or
Cleaning, screen pack 5, retainer ring 62 and is sequentially placed into runner channel by pressure ring 61, and screen pack 5 is resisted against on installation step 12,
And screen pack 5 is compressed by pressure ring 61, promotes retainer ring 62 to compress holddown spring 63 further along so as to be remained by pressure ring 61
To the impaction state of screen pack 5, retainer ring 62 is fixed on valve body 1 by support bar 7 again, avoids in use, pine occurring
It is dynamic.
Wherein described valve body 1 offers the fixing hole 13 passed through for support bar 7, is filled out between fixing hole 13 and support bar 7
Filled with filler, one end of the support bar 7 contradicts retainer ring 62 through fixing hole 13, and the other end is provided with gland 8, wherein gland 8
It is fixed on valve body 1, and gland 8 is threadedly coupled with support bar 7, can be realized fixed or unclamped with rotary supporting rod 7
Retainer ring 62, while also avoid fluid passage 11 from being revealed in the installation place of support bar 7, improve overall sealing.
One layer of graphite flake 9 is provided between the screen pack 5 and fluid passage 11, plays shockproof, anti-skidding effect.
The end face by pressure ring 61 towards screen pack 5 is provided with sealing ring, wherein being compressed by pressure ring 61 by sealing ring
Screen pack 5, sealing function is played, wherein sealing ring is hollow-core construction, can increase contact area with compression seal ring, improve close
Seal effect.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of gate valve, including the valve body containing fluid passage, one end position of the flashboard for opening and closing fluid passage, wherein valve rod
In being connected in valve body with flashboard, the other end is located at outside valve body and is provided with handwheel, flashboard is transported up and down by rotating handwheel
It is dynamic, it is characterized in that：Madial wall in fluid passage caves inward to form installation step, wherein screen pack pass through fluid passage one
Port is placed on installation step, and the wherein end face of screen pack and installation step is inconsistent, and other end is provided with press component；
The press component includes pressing pressure ring and retainer ring, by being provided with holddown spring between pressure ring and retainer ring；
Wherein support bar is fixed on retainer ring in fluid passage through valve body, and holddown spring can drive to compress by pressure ring and filter
Net.
2. a kind of gate valve according to claim 1, it is characterized in that：One layer of stone is provided between the screen pack and fluid passage
Ink sheet.
3. a kind of gate valve according to claim 1, it is characterized in that：The end face by pressure ring towards screen pack is provided with close
Seal ring, wherein sealing ring are hollow-core construction, wherein compressing screen pack by sealing ring by pressure ring.
4. a kind of gate valve according to claim 1, it is characterized in that：The valve body offers the fixation passed through for support bar
Hole, is filled with filler between fixing hole and support bar, and one end of the support bar contradicts retainer ring, the other end through fixing hole
Provided with gland, wherein gland is fixed on valve body, and gland is threadedly coupled with support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035909.6U CN207064686U (en) | 2017-08-18 | 2017-08-18 | A kind of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035909.6U CN207064686U (en) | 2017-08-18 | 2017-08-18 | A kind of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064686U true CN207064686U (en) | 2018-03-02 |
Family
ID=61516169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721035909.6U Active CN207064686U (en) | 2017-08-18 | 2017-08-18 | A kind of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064686U (en) |
-
2017
- 2017-08-18 CN CN201721035909.6U patent/CN207064686U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |