CN208587516U - A kind of sanitary pneumatic is without being detained bottom valve - Google Patents
A kind of sanitary pneumatic is without being detained bottom valve Download PDFInfo
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- CN208587516U CN208587516U CN201821350895.1U CN201821350895U CN208587516U CN 208587516 U CN208587516 U CN 208587516U CN 201821350895 U CN201821350895 U CN 201821350895U CN 208587516 U CN208587516 U CN 208587516U
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Abstract
The utility model relates to a kind of sanitary pneumatics without delay bottom valve, it include valve body, the flap and valve rod of valve seat and integral type, valve body lower end is provided with cylinder compatible with valve rod, the excessive material channel of circular arc is provided in valve body, valve rod mounting groove compatible with valve rod is provided on the valve body, and the first seal being placed on valve rod and long guide sleeve are equipped in valve rod mounting groove, minimum point that valve rod mounting groove top is connected with material channel and first seal upper end surface are in same level, the piston rod of valve rod lower end and cylinder is connected with each other, valve seat is socketed on valve body upper end, and valve body and valve seat junction are provided with second seal, the upper surface and valve body upper end surface of second seal are in same level, and second seal cross section is T-shaped or L-shaped structure setting.The sanitary pneumatic is without the simple and reasonable of bottom valve is detained, and material is without delay, and safety and sanitation, dispensing speed is fast, and long service life is convenient for disassembly and assembly.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of sanitary pneumatic is without being detained bottom valve.
Background technique
The reaction vessel discharge that bottom valve is applied to the clean industry such as pharmacy, biology, fine chemistry industry, food uses, the valve
Has many advantages, such as discharges material without dead angle, noresidue, No leakage, good seal performance.And this valve is main below reaction kettle
Blowing effect is done, so we are called baiting valve.
202074104 U of Chinese patent literature CN discloses a kind of bottom valve, and the utility model relates to a kind of tank trucks
Bottom valve, traditional bottom valve is cumbersome, takes time and effort, and there is a problem of that inconvenient maintenance, service life are short.It is asked for above-mentioned
Topic, the utility model provide a kind of bottom valve, including valve rod, flap, pedestal, valve body and petroleum pipeline, and flap is arranged in valve rod
Bottom end, valve rod are placed in valve body, and valve body is fixedly connected on pedestal, are further included cylinder, are equipped with piston in cylinder, piston passes through work
Stopper rod is connect with valve rod, and piston rod and valve rod junction are equipped with sealing ring, is wrapped on the piston rod between piston and cylinder
Spring, cylinder head are equipped with gas nozzle component, and cylinder bottom is equipped with plug.Although the patent from profit set and filler material by improving
The leakproofness of valve rod and valve body junction simultaneously prevents from forming material lagging at valve rod, but the filler material at valve rod extends partially into
In valve body valve chamber, flow resistance increases when material being caused to flow through herein, influences dispensing speed and efficiency.
For another example 202580046 U of Chinese patent literature CN discloses pneumatic tank bottom valve, and the utility model relates to a kind of gas
Dynamic bottom valve, including valve seat, ring flange, valve rod and cylinder, the valve seat are fixedly connected with ring flange, and valve seat and flange
It is provided with material channel in the middle part of disk, it is described
Ring flange opposite valve seat other side corresponding material channel position is provided with the material conduit being arranged in bending, material
Conduit is provided with connection component with respect to the ring flange other side, and the connection component both ends are fixed with material conduit and cylinder respectively
Connection, described valve rod one end are provided with flap component compatible with valve seat, and the valve rod other end passes through connection component and extends to gas
In cylinder and it is provided with the piston matched with cylinder.Although not extending to the filling in material channel at the valve rod of the patent
Object effectively reduces material and flows through flow resistance herein, improves dispensing speed and efficiency, but between certainly existing between valve rod and valve body
Gap is easy to be detained here to material, impacts to the safety and sanitation of material.
The valve seat of existing bottom valve and valve body junction are easy to produce gap simultaneously, but also the material flowed through herein causes
It is detained, the safety and sanitation of material is impacted.
Utility model content
For the deficiency of background technique, the utility model provides a kind of sanitary pneumatic without bottom valve is detained, and can effectively solve
It has determined problems of the prior art.
The technical scheme adopted by the utility model is a kind of sanitary pneumatic is without bottom valve is detained, it include valve body, valve
The flap and valve rod of seat and integral type, valve body lower end are provided with cylinder compatible with valve rod, are provided with circular arc mistake in valve body
The material channel of degree is provided with valve rod mounting groove compatible with valve rod on the valve body, and is equipped with and is nested in valve rod mounting groove
In on valve rod first seal and long guide sleeve, the minimum point and first that valve rod mounting groove top is connected with material channel it is close
Sealing upper end surface is in same level, and the piston rod of valve rod lower end and cylinder is connected with each other, and valve seat is socketed on valve body upper end,
And valve body and valve seat junction are provided with second seal, the upper surface and valve body upper end surface of second seal are in same level
In face, and second seal cross section is T-shaped or L-shaped structure setting.
Further, compatible with the second seal the is provided on the upside of the valve body and towards the valve seat side
Two seal grooves, the T-shaped structure setting of the second seal groove.
Further, be provided with compatible third sealing element and third seal groove on the flap, third sealing element with
The valve body top cooperates, on third sealing element and the first seal, long guide sleeve and second seal
It is provided with positioning protrusion.
Further, the upper and lower ends of the material channel are respectively set to feed inlet and drain hole, feed inlet and blowing
Inner diameter size at mouthful is identical, and the internal diameter of feed inlet is less than the diameter of the flap.
Further, fill out compatible with the valve rod is also filled between the first seal upper end and valve rod mounting groove
Charge, and the oblique top of filler material is excessive by setting arc surface and the material channel interior walls be smooth.
Further, bracket is provided between the valve body and cylinder, the upper end of bracket passes through setting yoke configurations and valve
Body is mutually permanently connected, and the lower end of bracket is mutually permanently connected by setting locking silk with the cylinder.
Further, the both ends of the piston rod are provided with link slot compatible with the valve rod lower end, piston rod
One end be mutually clamped and connect with valve rod lower end by the way that fixture block is arranged, and fixture block outside is also arranged with cutting ferrule, piston rod both ends with
And valve rod lower end is respectively arranged with the first card slot compatible with fixture block and the second card slot.
Further, the valve body is mutually permanently connected by setting installation bolt with the valve seat, and installation bolt is uniform
It is distributed in valve body upper end, and installs to cover on bolt and is provided with spring washer.
The beneficial effects of the utility model are: the sanitary pneumatic is without delay bottom valve due to taking above-mentioned technical proposal
Simple and reasonable, the minimum point being connected by valve rod mounting groove top with material channel and first seal upper end surface
In in same level, so that logistics, which flows through, not will form delay herein, also effectively reduces logistics and flow through flow resistance herein, improve
Dispensing speed, while second seal is provided with by valve body and valve seat junction, on the upper surface and valve body of second seal
In same level, the material for preventing from flowing through herein forms delay for endface, substantially increases sanitary pneumatic without delay tank
The safety and sanitation performance of bottom valve, material is without delay, and safety and sanitation, dispensing speed is fast, and long service life is convenient for disassembly and assembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one.
Fig. 2 is the partial enlargement diagram in Fig. 1 at A.
Fig. 3 is the partial enlargement diagram in Fig. 1 at B.
Fig. 4 is the structural schematic diagram of the utility model embodiment two.
1, valve body in figure；2, valve seat；3, flap；4, valve rod；5, cylinder；6, material channel；7, valve rod mounting groove；8, first
Sealing element；9, long guide sleeve；10, piston rod；11, second seal；12, third sealing element；13, positioning protrusion；14, it feeds
Mouthful；15, drain hole；16, bracket；17, yoke configurations；18, silk is locked；19, link slot；20, fixture block；21, cutting ferrule；22, first
Card slot；23, the second card slot；24, bolt is installed；25, spring washer；26, filler material；27, arc surface.
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
Embodiment one, as shown in Fig. 1 to Fig. 3, a kind of sanitary pneumatic includes valve body 1, valve seat 2 without bottom valve is detained
And the flap 3 and valve rod 4 of integral type, 1 lower end of valve body are provided with cylinder 5 compatible with valve rod 4, are provided with circle in valve body 1
Arc excessive material channel 6 is provided with valve rod mounting groove 7 compatible with valve rod 4 on the valve body 1, and in valve rod mounting groove 7
Equipped with the first seal 8 and long guide sleeve 9 being placed on valve rod 4, first seal 8 is avoided that between valve rod 4 and valve body 1 and deposits
There is gap and forms material lagging situation, the minimum point and first seal that 7 top of valve rod mounting groove is connected with material channel 6
It 8 upper end surfaces can be from 7 top of valve rod mounting groove and material in the logistics in same level, flowing through 8 upper end of first seal
Flowed away the case where will not forming material lagging at the minimum point that channel 6 is connected, the piston rod 10 of 4 lower end of valve rod and cylinder 5
It is connected with each other, valve seat 2 is socketed on 1 upper end of valve body, and valve body 1 and 2 junction of valve seat are provided with second seal 11, the second sealing
The upper surface of part 11 and 1 upper end surface of valve body are in same level, because the when material flows through valve body 1 and 2 junction of valve seat
The upper surface and 1 upper end surface of valve body of two sealing elements 11 are in same level, so material can be directly flowed through without will form
It is detained, and the T-shaped structure setting in cross section of second seal 11；It is provided on the upside of the valve body 1 and towards 2 side of valve seat
Second seal groove compatible with the second seal 11, the T-shaped structure setting of the second seal groove；It is arranged on the flap 3
There are compatible third sealing element 12 and third seal groove, third sealing element 12 and 1 top of valve body cooperate, third
It is provided with positioning protrusion 13 in sealing element 12 and the first seal 8, long guide sleeve 9 and second seal 11, it is fixed
Position protrusion 13 can prevent third sealing element 12, first seal 8, long guide sleeve 9 and second seal 11 from the position of installation
It is detached to reduce sanitary pneumatic without the sealing performance for being detained bottom valve；The upper and lower ends of the material channel 6 are respectively set
For feed inlet 14 and drain hole 15, the angle between 15 place center line of feed inlet 14 and drain hole is set as 45 degree, 45 degree of phases
Compared with 90 degree of angle where existing material channel two-port between center line, it can be reduced material flow resistance and improve blowing efficiency,
Feed inlet 14 is identical with the inner diameter size at drain hole 15, and chamfering structure is provided at feed inlet 14, and chamfering structure is close with third
Sealing 12 matches to form valve body sealing surface, and chamfering structure stops blowing, chamfering structure and when being bonded with third sealing element 12
Three sealing elements 12 start blowing when separating, and the internal diameter of feed inlet 14 is less than the diameter of the flap 3；The valve body 1 and cylinder 5
Between be provided with bracket 16, the upper end of bracket 16 is mutually permanently connected by the way that yoke configurations 17 are arranged with valve body 1, under bracket 16
End by setting locking silk 18 be mutually permanently connected with the cylinder 5, bracket 16 can be dismounted quickly, convenient for the later period installation with
Maintenance；The both ends of the piston rod 10 are provided with link slot 19 compatible with 4 lower end of valve rod, one end of piston rod 10
It is mutually clamped and is connect with 4 lower end of valve rod by setting fixture block 20, be connected together convenient for fast assembling-disassembling, facilitate the installation and dimension in later period
It repairs, and 20 outside of fixture block is also arranged with cutting ferrule 21, cutting ferrule 21 can prevent fixture block 20 from falling off, under 10 both ends of piston rod and valve rod 4
End is respectively arranged with first card slot 22 compatible with fixture block 20 and the second card slot 23；The valve body 1 passes through setting installation bolt
24 are mutually permanently connected with the valve seat 2, and installation bolt 24 is uniformly distributed in 1 upper end of valve body, and installs and be arranged on bolt 24
It is equipped with spring washer 25.
Its course of work is as described below: the piston rod 10 of cylinder 5 rises band ovable valve stem 4 and rises, i.e., valve rod 4 drives flap 3
Rise and opens blowing；Conversely, valve rod 4, which drives flap 3 to press on 1 top of valve body, stops blowing.
Embodiment two, as shown in figure 4, a kind of sanitary pneumatic without be detained bottom valve, compared to implement one on the basis of also
With following characteristics, fill out compatible with the valve rod 4 is also filled between 8 upper end of first seal and valve rod mounting groove 7
Charge 26, and the oblique top of filler material 26 is excessive by setting arc surface 27 and 6 interior walls be smooth of material channel, reduces logistics stream
Resistance is to which more convenient material in material channel 6 flow out from drain hole 15 in turn by flow direction.
Its course of work is as described below: the piston rod 10 of cylinder 5 rises band ovable valve stem 4 and rises, i.e., valve rod 4 drives flap 3
Rise and opens blowing；Conversely, valve rod 4, which drives flap 3 to press on 1 top of valve body, stops blowing.
The sanitary pneumatic passes through 7 top of valve rod mounting groove and material channel 6 without the simple and reasonable of bottom valve is detained
The minimum point that is connected and 8 upper end surface of first seal in same level so that logistics flow through not will form herein it is stagnant
It stays, also effectively reduces logistics and flow through flow resistance herein, improve dispensing speed, while being provided with by valve body 1 and 2 junction of valve seat
Second seal 11, the upper surface and 1 upper end surface of valve body of second seal 11 prevent from flowing through herein in same level
Material, which is formed, to be detained, and substantially increases sanitary pneumatic without the safety and sanitation performance for being detained bottom valve, material is defended safely without delay
Raw, dispensing speed is fast, long service life, convenient for disassembly and assembly.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (8)
- It include the flap and valve rod of valve body, valve seat and integral type 1. a kind of sanitary pneumatic is without bottom valve is detained, under valve body End is provided with cylinder compatible with valve rod, the excessive material channel of circular arc is provided in valve body, it is characterised in that: the valve body On be provided with valve rod mounting groove compatible with valve rod, and be equipped in valve rod mounting groove the first seal being placed on valve rod and Long guide sleeve, minimum point that valve rod mounting groove top is connected with material channel and first seal upper end surface are in same level In face, the piston rod of valve rod lower end and cylinder is connected with each other, and valve seat is socketed on valve body upper end, and valve body and valve seat junction are arranged There is second seal, the upper surface and valve body upper end surface of second seal are in same level, and the cross of second seal Section is T-shaped or L-shaped structure is arranged.
- 2. a kind of sanitary pneumatic according to claim 1 is without being detained bottom valve, it is characterised in that: on the upside of the valve body and The valve seat side is provided with the second seal groove compatible with the second seal, the T-shaped structure of the second seal groove is set It sets.
- 3. a kind of sanitary pneumatic according to claim 2 is without delay bottom valve, it is characterised in that: be arranged on the flap There are compatible third sealing element and third seal groove, third sealing element and the valve body top cooperate, third sealing Positioning protrusion is provided in part and the first seal, long guide sleeve and second seal.
- 4. a kind of sanitary pneumatic according to claim 3 is without delay bottom valve, it is characterised in that: the material channel Upper and lower ends are respectively set to feed inlet and drain hole, and feed inlet is identical with the inner diameter size at drain hole, and feed inlet is interior Diameter is less than the diameter of the flap.
- 5. a kind of sanitary pneumatic according to claim 3 is without delay bottom valve, it is characterised in that: the first seal Filler material compatible with the valve rod is also filled between upper end and valve rod mounting groove, and the oblique top of filler material passes through setting circular arc Face and the material channel interior walls be smooth are excessive.
- 6. a kind of sanitary pneumatic according to claim 1 is without delay bottom valve, it is characterised in that: the valve body and cylinder Between be provided with bracket, the upper end of bracket is mutually permanently connected by setting yoke configurations with valve body, and the lower end of bracket, which passes through, to be set Locking silk is set to be mutually permanently connected with the cylinder.
- 7. a kind of sanitary pneumatic according to claim 1 is without delay bottom valve, it is characterised in that: the two of the piston rod End is provided with link slot compatible with the valve rod lower end, and one end of piston rod is mutual by setting fixture block and valve rod lower end It is connected together, and is also arranged with cutting ferrule on the outside of fixture block, piston rod both ends and valve rod lower end are respectively arranged with and are adapted with fixture block The first card slot and the second card slot.
- 8. a kind of sanitary pneumatic according to claim 1 is without delay bottom valve, it is characterised in that: the valve body is by setting It sets installation bolt to be mutually permanently connected with the valve seat, installation bolt is uniformly distributed in valve body upper end, and installs and cover on bolt It is provided with spring washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821350895.1U CN208587516U (en) | 2018-08-21 | 2018-08-21 | A kind of sanitary pneumatic is without being detained bottom valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821350895.1U CN208587516U (en) | 2018-08-21 | 2018-08-21 | A kind of sanitary pneumatic is without being detained bottom valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587516U true CN208587516U (en) | 2019-03-08 |
Family
ID=65543874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821350895.1U Active CN208587516U (en) | 2018-08-21 | 2018-08-21 | A kind of sanitary pneumatic is without being detained bottom valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587516U (en) |
-
2018
- 2018-08-21 CN CN201821350895.1U patent/CN208587516U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |