CN207864667U - Novel Brake Valve - Google Patents
Novel Brake Valve Download PDFInfo
- Publication number
- CN207864667U CN207864667U CN201721780584.4U CN201721780584U CN207864667U CN 207864667 U CN207864667 U CN 207864667U CN 201721780584 U CN201721780584 U CN 201721780584U CN 207864667 U CN207864667 U CN 207864667U
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- CN
- China
- Prior art keywords
- valve
- transition joint
- clamp nut
- annular groove
- screw thread
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- 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 is related to a kind of Novel Brake Valves, including valve body, valve deck, valve rod, transition joint, clamp nut and flashboard, and in the coaxial annular groove in transition joint valve stem passage top, annular groove inner wall is formed with screw thread；The clamp nut is cylindrical shape, clamp nut outer circle is coaxially formed with screw thread, the screw thread is engaged with the threaded coaxial in the annular groove of transition joint, clamp nut upper end end is coaxially radially outward formed with bulge loop, the bulge loop is identical as the external profile diameter on transition joint top, is coaxially pressed on the upper end end of transition joint.The transition joint of Novel Brake Valve provided by the present application is sealed on top no longer by the way of same outer shaft sleeve clamp nut, but is improved, and the sealing means of the clamp nut of coaxial inner sleeve are formd, and sealing performance is more preferable, and installation is quicker.
Description
Technical field
The utility model belongs to valve field, is a kind of Novel Brake Valve.
Background technology
Gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve can only make standard-sized sheet and
It is fully closed, it cannot make adjustments and throttle.Gate valve is sealed by valve seat and rams contact, and usual sealing surface can deposited metal material
To increase wearability, such as built-up welding 1Cr13, STL6, stainless steel.Flashboard has rigid flashboard and flexible disc, not according to flashboard
Together, gate valve is divided into rigid gate valve and resilient gate valve.
By retrieval, it is found that following patent documents and the application correlation are larger, particular content is as follows：
CN201827409U discloses a kind of steel-casting threaded connection gate valve, by being formed with lower component：It is valve body, valve seat, valve plate, big
Gasket, valve deck, valve rod, transition joint, minipad, Packing seat, stem nut, gland and handwheel, it is mutual between these components
Structure is as follows：Valve deck is fixed on valve body, and valve rod passes through valve deck, outer end to be connect with handwheel, and valve plate is located on valve seat simultaneously laterally
Equipped with the channel coordinated with valve seat, valve plate top be equipped with connect with threaded stem cooperation female screw connection, minipad with fill out
Between stem nut and gland, gland is fixed under handwheel backing strap, fixes minipad and Packing seat, big gasket
Between valve plate and valve deck.
A kind of gate valves of CN202901336U, including：Valve body, the valve body is interior to be equipped with left valve channel, right valve channel；Flashboard, it is described
Between flashboard and the left valve channel, sealing ring is respectively and fixedly provided between the flashboard and the right valve channel, the sealing ring is that copper is close
Seal ring, the copper sealing ring are welded on the flashboard, further include valve deck, the valve deck is fixed on the upper surface of the valve body；
The junction of the valve deck and the valve body is equipped with washer.
The application has carried out larger improvement on the basis of above-mentioned patent, obtains good effect.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of installation effectiveness height, good seal performance,
The Novel Brake Valve of structure novel.
The utility model realizes that the technical solution of purpose is as follows：
A kind of Novel Brake Valve, including valve body, valve deck, valve rod, transition joint, clamp nut and flashboard, the lower end of valve deck
Portion is threadedly coupled with the upper end co-axial seal of valve body；External screw thread, the interior spiral shell of lower end setting of stem nut is arranged in the upper end of valve deck
Line, the upper end of valve deck are threadedly coupled with the concentric phase in the lower end of transition joint, and sealing is installed between valve deck and transition joint
Circle；Transition joint upper end coaxial threaded engages clamp nut, and the lower end of valve rod coaxially penetrates the lock in stem nut, valve deck and valve body
The end of plate is connected；Including valve plate, the junction outer rim radial integrated of the valve plate and valve rod makes a rectangular interconnecting piece, even
A radial bar-shaped trough, bar-shaped trough upper opening, a lateral openings of bar-shaped trough, bar-shaped trough middle part respective side are formed among socket part
Wall one extends to both sides is symmetrically formed with two axial grooves；It is characterized in that：In transition joint valve stem passage top coaxial rings
Slot, annular groove inner wall are formed with screw thread；The clamp nut is cylindrical shape, and clamp nut outer circle is coaxially formed with screw thread, and the screw thread is in
Between connector annular groove in threaded coaxial engagement, clamp nut upper end end is coaxially radially outward formed with bulge loop, and the bulge loop is in
Between connector top external profile diameter it is identical, be coaxially pressed on the upper end end of transition joint；In the rectangular interconnecting piece upper end of valve plate, open
The top of mouth both sides is integrally formed with reinforcement block, and sliding slot is radially formed on the corresponding valve plate in lateral openings side of rectangular interconnecting piece,
Sliding slot extends into the opening of rectangular interconnecting piece, until at the opening sidewalls of rectangular interconnecting piece.
Moreover, the clamp nut lower end in annular groove and the coaxial embedded sealing ring of diameter of ring groove.
Moreover, being integrally symmetrically formed with a pair of of fixed wings in the both sides of valve plate circular outer edge, fixed wings are symmetrically made in rectangular company
The both sides of socket part.
The beneficial effects of the utility model are：
1, the transition joint of Novel Brake Valve provided by the present application on top no longer by the way of same outer shaft sleeve clamp nut
It is sealed, but is improved, form the sealing means of the clamp nut of coaxial inner sleeve, sealing performance is more preferable, peace
Dress is quicker.
2, it has been embedded in sealing ring in the transition joint of Novel Brake Valve provided by the present application, can have ensured the clamp nut of inner sleeve
Leakproofness, can adequately ensure the sealing of transition joint and the direct contact surface of clamp nut.
3, Novel Brake Valve provided by the present application improves sealing effect, uses upper, middle and lower-ranking seal with elastometic washer for the first time,
Valve rod and stem nut are improved, the sealing performance of valve is improved.
4, a cunning chamber is formed on the gate valve plate of install convenient provided by the utility model, it can be by the larger valve rod in head
The interconnecting piece of valve plate is slid into from sliding chamber, installation is very convenient, easy to connect, and conversion is quick, improves the production efficiency of valve.
Description of the drawings
Fig. 1 is the structural schematic diagram of the application.
Fig. 2 is the front view of valve plate；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is sectional view along A-A in Fig. 2；
Fig. 5 be with the use of valve rod front view；
Fig. 6 is the right view of Fig. 5.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings and by specific embodiment, and following embodiment is only retouched
The property stated, it is not restrictive, the scope of protection of the utility model cannot be limited successively.
A kind of Novel Brake Valve, including valve body 2, valve deck 3, valve rod 4, transition joint 5, clamp nut 8 and flashboard 1, valve deck
Lower end be threadedly coupled with the upper end co-axial seal of valve body；External screw thread is arranged in the upper end of valve deck, and the lower end of stem nut is set
Internal thread is set, the upper end of valve deck is threadedly coupled with the concentric phase in the lower end of transition joint, pacifies between valve deck and transition joint
Fill sealing ring 6；The sealing surface of transition joint upper end coaxial threaded engagement clamp nut 5, transition joint and clamp nut is coaxially embedding
Fill sealing ring 7, the lower end of valve rod coaxially penetrates stem nut, valve deck is connected with the end of the flashboard in valve body, valve rod it is another
End can fasten setting handwheel or turbine head.
The junction outer rim radial integrated of the valve plate and valve rod makes a rectangular interconnecting piece 3-2, is formed among interconnecting piece
One radial bar-shaped trough 3-4, bar-shaped trough upper opening, a lateral openings of bar-shaped trough, in the middle part of bar-shaped trough corresponding side wall one to
Both sides, which extend, is symmetrically formed with two axial groove 3-6, and a sky is collectively formed in upper opening, a lateral openings and two axial grooves
Between, for being embedded in valve stem end T forming heads.
The innovation of the application is：
1, the transition joint upper end does not use external screw thread in the prior art, and uses internal thread mode, in indirectly
The coaxial annular groove of head valve bar upper part of channel, annular groove inner wall are formed with screw thread.Completely novel form, replace seal form after, connection and
Installation is all very convenient.
2, the clamp nut is cylindrical shape, and clamp nut outer circle is coaxially formed with screw thread, the ring of the screw thread and transition joint
Threaded coaxial engagement in slot, clamp nut upper end end are coaxially radially outward formed with bulge loop, the bulge loop and transition joint top
External profile diameter it is identical, be coaxially pressed on the upper end end of transition joint.
3, the clamp nut lower end in annular groove and the coaxial embedded sealing ring of diameter of ring groove, ensure sealing between the two
Property.
4, in the rectangular interconnecting piece upper end of valve plate, the top of the both sides that are open integrally is formed with reinforcement block 3-3, it is integrally formed plus
Strong block can increase the stressed length of valve rod T shape connectors, so that the diametrical force block thickness of link block is increased, the company of improving
The service life of socket part；Radially it is formed with sliding slot on the corresponding valve plate in lateral openings side of rectangular interconnecting piece, sliding slot is to rectangular company
Extend in the opening of socket part, until at the opening sidewalls of rectangular interconnecting piece, increases the sliding slot, larger valve rod, energy can be put into
The valve for enough adapting to the specification and pressure of bigger, improves the scope of application of the valve plate of this type；The two of valve plate circular outer edge
Side is integrally symmetrically formed with a pair of of fixed wings, and symmetrically for system in the both sides of rectangular interconnecting piece, connecting fin can ensure valve plate to fixed wings
Axial deflection becomes smaller, and ensures that valve rod will not skid off in sliding slot.
The structure for the valve rod 2-1 being used cooperatively with valve plate in the application is：The lower end outer rim mirror symmetry of the valve rod
Two radial groove 2-2 are formed with, the valve rod of groove lower part is T forming heads 2-3.
It has been embedded in sealing ring in the transition joint of Novel Brake Valve provided by the present application, can ensure the clamp nut of inner sleeve
Leakproofness can adequately ensure the sealing of transition joint and the direct contact surface of clamp nut.
Claims (3)
1. a kind of Novel Brake Valve, including valve body, valve deck, valve rod, transition joint, clamp nut and flashboard, the lower end of valve deck
It is threadedly coupled with the upper end co-axial seal of valve body；External screw thread is arranged in the upper end of valve deck, and internal thread is arranged in the lower end of stem nut,
The upper end of valve deck is threadedly coupled with the concentric phase in the lower end of transition joint, and sealing ring is installed between valve deck and transition joint；
Transition joint upper end coaxial threaded engages clamp nut, and the lower end of valve rod coaxially penetrates the flashboard in stem nut, valve deck and valve body
End be connected；Including valve plate, the junction outer rim radial integrated of the valve plate and valve rod makes a rectangular interconnecting piece, connection
A radial bar-shaped trough, bar-shaped trough upper opening, a lateral openings of bar-shaped trough, the corresponding side wall in bar-shaped trough middle part are formed among portion
One extends to both sides is symmetrically formed with two axial grooves；It is characterized in that：In the coaxial annular groove in transition joint valve stem passage top,
Annular groove inner wall is formed with screw thread；The clamp nut is cylindrical shape, and clamp nut outer circle is coaxially formed with screw thread, and the screw thread is indirect in
Threaded coaxial engagement in the annular groove of head, clamp nut upper end end are coaxially radially outward formed with bulge loop, and the bulge loop is indirect in
The external profile diameter on head top is identical, is coaxially pressed on the upper end end of transition joint；In the rectangular interconnecting piece upper end of valve plate, opening two
The top of side is integrally formed with reinforcement block, and sliding slot, sliding slot are radially formed on the corresponding valve plate in lateral openings side of rectangular interconnecting piece
Extend into the opening of rectangular interconnecting piece, until at the opening sidewalls of rectangular interconnecting piece.
2. Novel Brake Valve according to claim 1, it is characterised in that：Clamp nut lower end and annular groove in annular groove is straight
The coaxial embedded sealing ring of diameter.
3. Novel Brake Valve according to claim 1, it is characterised in that：It is integrally symmetrically formed in the both sides of valve plate circular outer edge
A pair of of fixed wings, fixed wings are symmetrically made in the both sides of rectangular interconnecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780584.4U CN207864667U (en) | 2017-12-19 | 2017-12-19 | Novel Brake Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780584.4U CN207864667U (en) | 2017-12-19 | 2017-12-19 | Novel Brake Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864667U true CN207864667U (en) | 2018-09-14 |
Family
ID=63465332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721780584.4U Active CN207864667U (en) | 2017-12-19 | 2017-12-19 | Novel Brake Valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864667U (en) |
-
2017
- 2017-12-19 CN CN201721780584.4U patent/CN207864667U/en active Active
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