CN208734904U - A kind of novel fluorine-lined shut-off valve - Google Patents
A kind of novel fluorine-lined shut-off valve Download PDFInfo
- Publication number
- CN208734904U CN208734904U CN201821471072.4U CN201821471072U CN208734904U CN 208734904 U CN208734904 U CN 208734904U CN 201821471072 U CN201821471072 U CN 201821471072U CN 208734904 U CN208734904 U CN 208734904U
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- China
- Prior art keywords
- valve
- flap
- welded
- valve seat
- rod
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Abstract
The utility model discloses a kind of novel fluorine-lined shut-off valves, including valve body, valve rod and flap, valve body has been wholely set valve seat positioning plate between feed pathway and liquid outlet channel, the upper port of vertical through holes is provided with valve seat mounting groove in the middle part of valve seat positioning plate, and the wear-resisting valve seat of hard alloy is fixedly installed in valve seat mounting groove；Fluorubber sealant is fixedly installed on the lower end surface of flap, positioning shaft sleeve is welded in the middle part of the upper surface of flap, valve rod lower end is provided with a locating rod, locating rod upper end is welded with spring retaining plate, several retaining springs are welded on the lower end surface of spring retaining plate, each retaining spring lower end is welded and fixed with the upper surface of flap；Fixed bonding has fluorubber cushion on the lower end surface of locating rod.Above-mentioned technical proposal, reasonable in design, structure is simple, valve rod is not easy bending, reliable operation, be not easy to leak, attended operation is convenient and long service life, practicability are good.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of novel fluorine-lined shut-off valve.
Background technique
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to apply to flap and press
Power is not leaked with forced seal face.When medium is by entering valve below flap, the resistance overcome required for operating force, is valve
The frictional force of bar and filler and the thrust as caused by the pressure of medium, the power of closing valve is bigger than the power of valve opening door, so valve rod
Diameter it is big, the failure of valve rod bending otherwise can occur.And the setting of existing stop valve structure is unreasonable, easy discovery is let out
It can not be repaired after leakage, attended operation trouble or the abrasion of some important components or corrosion, cause service life short, the practicability is poor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structures
Simply, valve rod be not easy bending, reliable operation, be not easy to leak, attended operation is convenient and novel fluorine-lined shut-off valve with long service life.
To achieve the above object, the utility model provides following technical solution: a kind of novel fluorine-lined shut-off valve, including valve
Body, valve rod and flap, the left end of the valve body are provided with feed pathway, are provided with valve chamber in the middle part of valve body, valve body right end is provided with
Liquid outlet channel, the valve body have been wholely set valve seat positioning plate, the valve seat positioning between feed pathway and liquid outlet channel
Vertical through holes are provided in the middle part of plate, the upper port of the vertical through holes is provided with valve seat mounting groove, consolidates in the valve seat mounting groove
Surely it is provided with the wear-resisting valve seat of hard alloy；The surface of the wear-resisting valve seat of hard alloy is installed by flap, the lower end of the flap
Fluorubber sealant is fixedly installed on face, is welded with positioning shaft sleeve, the surface of the valve chamber in the middle part of the upper surface of the flap
It is provided with stem through-hole, the valve rod is threaded through in stem through-hole, and the valve rod lower end has been wholely set a locating rod, described
Locating rod upper end is welded with spring retaining plate, several retaining springs is welded on the lower end surface of the spring retaining plate, each
Retaining spring lower end is welded and fixed with the upper surface of flap；Fixed bonding has fluorubber buffering on the lower end surface of the locating rod
The lower end of pad, the locating rod is inserted into the inner hole of positioning shaft sleeve, and flap is moved up and down by positioning shaft sleeve along locating rod；Institute
It states valve rod upper end and is wholely set positioning convex ring, the valve rod is located at positioning convex ring top position and is arranged with stainless steel seal disc, institute
State and be provided with annular groove on the side of stainless steel seal disc, be arranged with viton seal ring in the annular groove, it is described not
Rust steel seal disc is detachably connected with positioning convex ring.
By using above-mentioned technical proposal, the wear-resisting valve seat wearability of hard alloy is good, and hardness is good, is hardly damaged；Flap is logical
It crosses positioning shaft sleeve to move up and down along locating rod, and under the elastic reaction of retaining spring, good buffer effect, flap position can be certainly
It is dynamic to adjust, it compensates automatically, is not easy to leak, valve rod is not easy bending；And valve rod is close by the fluorubber on stainless steel seal disc
Sealing is constituted between seal and the inner wall of stem through-hole, good seal performance is not easy to leak；Reasonable in design, structure is simple,
Reliable operation, attended operation convenience, long service life and practicability are good.
The utility model is further arranged to: one layer of chrome layer, institute are fixedly installed on the inner wall of the feed pathway
State chrome layer with a thickness of 0.1-0.5mm.Heat-resist after feed pathway chromium plating by this setting, wearability is good, uses the longevity
Life length.
The utility model is further arranged to: the valve seat positioning plate is located at flap left position and is welded with the first flap
The right side of guiding device, the first flap guiding device is provided with the first guiding surface.Pass through this setting, flap positioning side
Just, reliable operation, it is more convenient to use.
The utility model is further arranged to: the valve seat positioning plate is located at flap right end position and is welded with the second flap
The left side of guiding device, the second flap guiding device is provided with the second guiding surface.Pass through this setting, flap positioning side
Just, reliable operation, it is more convenient to use.
The utility model is further arranged to: being provided with a downward opening arc in the middle part of the lower end surface of the flap
Groove.By this setting, valve flap structure setting is more reasonable, works relatively reliable.
The utility model is further arranged to: a fluorubber sealing shroud is arranged on the positioning convex ring.Pass through this
Setting, valve rod upper end sealing performance is more preferable, is not easy to leak.
The utility model has the advantages that: compared with prior art, the utility model structure setting is more reasonable, hard alloy
Wear-resisting valve seat wearability is good, and hardness is good, is hardly damaged；Flap is moved up and down by positioning shaft sleeve along locating rod, and in positioning bullet
Under the elastic reaction of spring, good buffer effect, flap position can be automatically adjusted, and compensate automatically, be not easy to leak, valve rod is not easy
Bending；And constitute and seal between inner wall of the valve rod by viton seal ring and stem through-hole on stainless steel seal disc, it is close
Sealing property is good, is not easy to leak；Reasonable in design, structure is simple, reliable operation, attended operation are convenient, long service life and reality
It is good with property.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram in the portion I in Fig. 1.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of novel fluorine-lined shut-off valve disclosed by the utility model, including valve body 1, valve rod 2 and flap
3, the left end of the valve body 1 is provided with feed pathway 11, valve chamber 12 is provided in the middle part of valve body 1,1 right end of valve body is provided with out liquid and leads to
Road 13, the valve body 1 have been wholely set valve seat positioning plate 14 between feed pathway 11 and liquid outlet channel 13, and the valve seat is fixed
Vertical through holes 141 are provided in the middle part of the plate 14 of position, the upper port of the vertical through holes 141 is provided with valve seat mounting groove 142, the valve
The wear-resisting valve seat 4 of hard alloy is fixedly installed in seat mounting groove 142；The surface of the wear-resisting valve seat 4 of hard alloy is installed by valve
Fluorubber sealant 5 is fixedly installed on the lower end surface of the flap 3, is welded with positioning in the middle part of the upper surface of the flap 3 for valve 3
Axle sleeve 6, the surface of the valve chamber 12 are provided with stem through-hole 15, and the valve rod 2 is threaded through in stem through-hole 15, the valve rod
2 lower ends have been wholely set a locating rod 21, and 21 upper end of locating rod is welded with spring retaining plate 7, the spring retaining plate 7
Lower end surface on be welded with several retaining springs 8, upper surface of each 8 lower end of retaining spring with flap 3 is welded and fixed；Institute
Stating fixed bonding on the lower end surface of locating rod 21 has fluorubber cushion 9, the lower end insertion positioning shaft sleeve 6 of the locating rod 21
In inner hole, and flap 3 is moved up and down by positioning shaft sleeve 6 along locating rod 21；2 upper end of valve rod is wholely set positioning convex ring
22, the valve rod 2 is located at 22 top position of positioning convex ring and is arranged with stainless steel seal disc 10, the side of the stainless steel seal disc 10
It is provided with annular groove 101 on face, viton seal ring 16, the stainless steel seal disc are arranged in the annular groove 101
10 are detachably connected with positioning convex ring 22.
Preferably, the inner wall of the wear-resisting valve seat 4 of hard alloy and valve seat mounting groove 142 is welded and fixed；It is described
Fluorubber sealant 5 is integrally formed structure after being adhesively fixed with the lower end surface of flap 3 by existing glue；The spring is fixed
Four retaining springs 8 are welded on the lower end surface of plate 7 altogether, and four 8 annulars of retaining spring are uniformly distributed or rectangular distribution；Institute
It states after fluorubber cushion 9 is adhesively fixed with the lower end surface of locating rod 21 by existing glue and is integrally formed structure；The fluorine
Rubber seal 16 is integrally formed structure after being adhesively fixed with the inner wall of annular groove 101 by existing glue；It is described not
Rust steel seal disc 10 and positioning convex ring 22 by existing screw or are bolted fixation.
To keep the utility model structure setting more reasonable, preferably, feed pathway 11 described in the present embodiment is interior
Be fixedly installed one layer of chrome layer 17 on wall surface, the chrome layer 17 with a thickness of 0.1-0.5mm.
The valve seat positioning plate 14 is located at 3 left position of flap and is welded with the first flap guiding device 18, first valve
The right side of valve guiding device 18 is provided with the first guiding surface.
The valve seat positioning plate 14 is located at 3 right end position of flap and is welded with the second flap guiding device 19, second valve
The left side of valve guiding device 19 is provided with the second guiding surface.
A downward opening arc groove 31 is provided in the middle part of the lower end surface of the flap 3.
A fluorubber sealing shroud 20 is arranged on the positioning convex ring 22.
When practical application, the wear-resisting valve seat wearability of hard alloy is good, and hardness is good, is hardly damaged；Flap passes through positioning shaft sleeve
It is moved up and down along locating rod, and under the elastic reaction of retaining spring, good buffer effect, flap position can be automatically adjusted, from
It is dynamic to compensate, it is not easy to leak, valve rod is not easy bending；And valve rod passes through the viton seal ring and valve rod on stainless steel seal disc
Sealing is constituted between the inner wall of through-hole, good seal performance is not easy to leak；Reasonable in design, structure is simple, reliable operation,
Attended operation convenience, long service life and practicability are good.
Above-described embodiment is served only for that the utility model is further described, no to the specific descriptions of the utility model
It can be interpreted as the restriction to scope of protection of the utility model, the technician of this field is according to the content pair of above-mentioned utility model
The utility model is made some nonessential modifications and adaptations and is each fallen within the protection scope of the utility model.
Claims (6)
1. a kind of novel fluorine-lined shut-off valve, including valve body (1), valve rod (2) and flap (3), the left end of the valve body (1) are provided with
Feed pathway (11), valve body (1) middle part is provided with valve chamber (12), valve body (1) right end is provided with liquid outlet channel (13), and feature exists
In: the valve body (1), which is located between feed pathway (11) and liquid outlet channel (13), has been wholely set valve seat positioning plate (14), described
It is provided with vertical through holes (141) in the middle part of valve seat positioning plate (14), the upper port of the vertical through holes (141) is provided with valve seat installation
Slot (142), the valve seat mounting groove (142) is interior to be fixedly installed the wear-resisting valve seat of hard alloy (4)；The hard alloy anti-friction valve
Flap (3) are installed in the surface of seat (4), fluorubber sealant (5) are fixedly installed on the lower end surface of the flap (3), the valve
It is welded with positioning shaft sleeve (6) in the middle part of the upper surface of valve (3), is provided with stem through-hole (15), institute right above the valve chamber (12)
It states valve rod (2) to be threaded through in stem through-hole (15), valve rod (2) lower end has been wholely set a locating rod (21), described fixed
Position bar (21) upper end is welded with spring retaining plate (7), several positioning bullets are welded on the lower end surface of the spring retaining plate (7)
Spring (8), upper surface of each retaining spring (8) lower end with flap (3) are welded and fixed；On the lower end surface of the locating rod (21)
Fixed bonding has fluorubber cushion (9), in the inner hole of lower end insertion positioning shaft sleeve (6) of the locating rod (21), and flap
(3) it is moved up and down by positioning shaft sleeve (6) along locating rod (21)；Valve rod (2) upper end is wholely set positioning convex ring (22), institute
It states valve rod (2) and is located at positioning convex ring (22) top position and be arranged with stainless steel seal disc (10), the stainless steel seal disc (10)
Side on be provided with annular groove (101), is arranged with viton seal ring (16) in the annular groove (101), it is described not
Rust steel seal disc (10) is detachably connected with positioning convex ring (22).
2. a kind of novel fluorine-lined shut-off valve according to claim 1, it is characterised in that: the inner wall of the feed pathway (11)
Be fixedly installed one layer of chrome layer (17) on face, the chrome layer (17) with a thickness of 0.1-0.5mm.
3. a kind of novel fluorine-lined shut-off valve according to claim 2, it is characterised in that: the valve seat positioning plate (14) is located at
Flap (3) left position is welded with the first flap guiding device (18), and the right side of the first flap guiding device (18) is set
It is equipped with the first guiding surface.
4. a kind of novel fluorine-lined shut-off valve according to claim 3, it is characterised in that: the valve seat positioning plate (14) is located at
Flap (3) right end position is welded with the second flap guiding device (19), and the left side of the second flap guiding device (19) is set
It is equipped with the second guiding surface.
5. a kind of novel fluorine-lined shut-off valve according to claim 1, it is characterised in that: in the lower end surface of the flap (3)
Portion is provided with a downward opening arc groove (31).
6. a kind of novel fluorine-lined shut-off valve according to claim 1, it is characterised in that: be arranged on the positioning convex ring (22)
There is a fluorubber sealing shroud (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471072.4U CN208734904U (en) | 2018-09-10 | 2018-09-10 | A kind of novel fluorine-lined shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471072.4U CN208734904U (en) | 2018-09-10 | 2018-09-10 | A kind of novel fluorine-lined shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734904U true CN208734904U (en) | 2019-04-12 |
Family
ID=66033164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821471072.4U Expired - Fee Related CN208734904U (en) | 2018-09-10 | 2018-09-10 | A kind of novel fluorine-lined shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734904U (en) |
-
2018
- 2018-09-10 CN CN201821471072.4U patent/CN208734904U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20210910 |