CN206503952U - A kind of basement rectangular ventilating duct air-valve - Google Patents
A kind of basement rectangular ventilating duct air-valve Download PDFInfo
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- CN206503952U CN206503952U CN201720132051.9U CN201720132051U CN206503952U CN 206503952 U CN206503952 U CN 206503952U CN 201720132051 U CN201720132051 U CN 201720132051U CN 206503952 U CN206503952 U CN 206503952U
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- pipe nipple
- backer
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Abstract
The utility model discloses a kind of basement rectangular ventilating duct air-valve, including valve body, valve rod and square valve plate, square valve plate is located at the inner chamber of valve body, the half right and left inwall of valve body is provided with the left and right backer extended along valve interior wall, and square valve plate is symmetrically connected on valve rod, and left half part is in the rear of left backer, right side is located at the front of right backer, the lower end of valve rod is supported on the bottom wall of valve body, and the upper end of valve rod is passed from the valve body ear mount on valve body roof, and valve rod upper end is provided with handle；The outer face of valve body ear mount is fixed with circular location-plate, aperture positioning hole is evenly distributed with the circumference of circular location-plate, handle upper surface is provided with groove, dead bolt is embedded with groove, it is hinged in the middle part of dead bolt on handle, torsion spring is set with pin, the tension force of torsion spring makes the front end of dead bolt be pressed on handle, the front end riveting of dead bolt has the lock pin that may be inserted into aperture positioning hole, and the rear end of dead bolt is upturned.The air-valve is easy to process, and manufacturing cost is low, sealed reliable.
Description
Technical field
The utility model is related to a kind of civil air defense constructions and installations valve, more particularly to a kind of basement rectangular ventilating duct wind
Valve, belongs to defense equipment technical field.
Background technology
Air-valve on tradition ventilation pipeline includes valve body, valve rod and valve plate, and valve body is cylindrical shape, the two-port point of valve body
It is not connected with flange, flange and is evenly equipped with link bolt hole, valve plate is located at the inner chamber of valve body, the inwall of valve body is provided with and valve plate
The valve seat being engaged, the circumference of valve seat towards valve plate is provided with sealing gasket, or the periphery of valve plate is provided with sealing gasket, the one of valve rod
End is supported on the circumference of valve body, and the other end of valve rod is passed from the valve body ear mount of valve body, and the upper end of valve rod is provided with handle.Valve
Diameter of the bar along air-valve, which extends and be fixed in the middle part of the axially middle part of valve body, valve plate on valve rod, to be centrosymmetric.Operating handle
During hand rotation valve rod, valve plate is rotated with valve rod, two half cycles of valve plate from both direction respectively to the sealing surface of valve seat draw close up to
Closure.
The connection of circular air-valve two ends and rectangular ventilation pipe needs to connect circle to complete by the reducer union side of being commonly called as, and increases
Flowing resistance, is not easy to install in the position nearer apart from turning；Because the circumference by valve plate realizes the sealing with valve seat,
Sealing surface is cambered surface, and difficulty of processing is big, and required precision is high.Diameter extension of the square air-valve due to valve rod along air-valve, valve plate two halves
The directions of all sealing forces is different, and is centrosymmetric centered on the axis of valve rod, under airflow function, and the left of valve plate half side has
Aperture becomes big trend, at the same valve plate it is right it is half side have the trend that aperture diminishes, the aperture of valve plate is changed, simultaneously
Easily cause valve plate deformation.
Utility model content
The purpose of this utility model is that overcoming problems of the prior art, there is provided a kind of basement rectangular ventilation
Pipeline air-valve, it is easy to process, manufacturing cost is low, and aperture regulation is convenient and reliable.
To solve above technical problem, a kind of basement rectangular ventilating duct air-valve of the present utility model, including section
For the valve body of rectangle, vertically extending valve rod and square valve plate, the front and back end portses of the valve body are connected to square flange, institute
State and link bolt hole is evenly equipped with square flange, the square valve plate is located at the inner chamber of the valve body, the axis position of the valve rod
In the center of the valve body width, the left side inwall of the valve body is provided with left backer, the right side inwall of the valve body
Provided with right backer, the left and right backer is respectively positioned on the central cross-section of the valve body fore-and-aft direction, and the left backer is along valve body
The left half cycle extension of inwall, right half cycle extension of the right backer along valve interior wall, the square valve plate is symmetrically connected to described
On valve rod, the left half part of the square valve plate is in the rear of the left backer, and the right side of the square valve plate is positioned at described
The front of right backer, the lower end of the valve rod is supported on the bottom wall of the valve body, and the upper end of the valve rod is from the valve body top
Passed in valve body ear mount on wall, and the upper end of the valve rod is provided with handle；The outer face of the valve body ear mount is fixed with circle
Multiple aperture positioning holes are evenly distributed with location-plate, the circumference of the circular location-plate, the upper surface of the handle is provided with recessed
Dead bolt is embedded with groove, the groove, the middle part of the dead bolt on the handle, is set with by pin-hinges on the pin
There is torsion spring, the tension force of the torsion spring makes the front end of dead bolt be pressed on the handle, the front end riveting of the dead bolt has and can inserted
Enter the lock pin of the aperture positioning hole, the rear end of the dead bolt is upturned.
Relative to prior art, the utility model achieves following beneficial effect：Depress dead bolt rear end, by lock pin from certain
Extracted in one aperture positioning hole, swing handle makes lock pin be directed at another aperture positioning hole, dead bolt then unclamped, in torsion spring
Under tension force effect, the front end pressure of dead bolt, lock pin is inserted in aperture positioning hole, is made the aperture of square valve plate adjusted, is inserted
Different aperture positioning holes is to possess different apertures, will not be changed by airflow influence.Left and right backer plays the work of valve seat
With, left and right backer extends along the inwall of valve body respectively, and the influence to valve body sectional area is smaller, advantageously reduces gas-flow resistance,
When square valve plate is parallel to valve body longitudinal axis, air-valve is shown in a fully open operation.When the left side outer rim of square valve plate is pressed in a left side
When on backer, the right side outer rim of square valve plate is pressed on right backer simultaneously, and now air-valve is in the completely closed state.The air-valve
Sealing surface be plane, the excircle of square valve plate do not coordinate requirement, and easy to process, manufacture difficulty is low.
Improved as of the present utility model, it is corresponding to the square valve plate standard-sized sheet and full-shut position on the circular location-plate
Position be respectively equipped with limited block.It is spacing to the stroke progress of handle by limited block, in square valve plate standard-sized sheet or fully closed position
Putting can not be rotated further, it is to avoid cause to damage.
As further improvement of the utility model, the valve rod is located at the middle part in the body length direction.
As further improvement of the utility model, the left backer is in contact with the right backer with the square valve plate
Surface be provided with rubber gasket.Sealing property when being conducive to raising air-valve fully closed.
As further improvement of the utility model, the rear lateral edge of the square left half cycle of valve plate and the front side of right half cycle
Edge is respectively welded flat iron bar.Because the area of square valve plate is larger, its outer rim is strength and stiffness most weak position, is held
Easily deform, cause the contact surface out-of-flatness with left and right backer, can improve close along the edge welding flat iron bar of square valve plate
The smooth precision of front cover, while improving the intensity of square valve plate.
As further improvement of the utility model, the left and right sidewall of the valve body be respectively equipped with extend up and down fly
Side, the top and bottom of the overlap are concordant with the upper limb of square flange and lower edge, the rear and front end of the overlap respectively with institute
The back side for stating square flange is welded as a whole.Without welding reinforcement in addition, by setting overlap on body wall, that is, realize
To the booster action between valve body and rear and front end flange, the bulk strength of valve body and flange is improved, material has both been saved,
Save again artificial.
As further improvement of the utility model, cylinder pipe nipple, the cylinder are connected with the middle part of the roof of the valve body
The upper end of pipe nipple is arranged with the U-lag extended downwardly along cylinder pipe nipple, and the lower section of the U-lag is provided with external screw thread.Cylinder is short
Section plays a part of measured hole, is easy to measure the blast and air quantity inside air-valve, also allows for inserting by cylinder pipe nipple
Probe.
As further improvement of the utility model, pipe cap is connected with the external screw thread of the cylinder pipe nipple.Non-measured
During state, cylinder pipe nipple external port is closed by pipe cap.
As further improvement of the utility model, the inwall of the cylinder pipe nipple upper end is provided with interior step, the cylinder
The upper port of pipe nipple is provided with outer chamfering；Be connected with locking nut on the external screw thread of the cylinder pipe nipple, the locking nut it is upper
Hold and be provided with nut centre bore for blind end and centre, the lower port of the nut centre bore provided with interior chamfering and with the circle
The outer chamfering of post pipe nipple upper port fits；The vertical section of angle coupling is plugged with the nut centre bore of the locking nut,
The vertical section inserts the inner chamber of the cylinder pipe nipple from the nut central hole, and the lower port of the vertical section with it is described
Realized and sealed by flat shim between the interior step of cylinder pipe nipple inwall；The periphery of the vertical section is provided with twice annular groove,
Realization sealing between the inwall of O-ring and the cylinder pipe nipple is respectively equipped with the annular groove；The angle coupling it is upper
End is provided with conical taper provided with the horizontal segment for being mutually communicated and being at right angles connected with the vertical section, the outer wall of the horizontal segment.
Realized and sealed by O-ring between angle coupling vertical section and cylinder pipe nipple, before locking nut is not tightened, first by heading joint
Head turns to the direction of needs, then tightens locking nut, until the interior chamfering that locking nut closes end nut centre bore pushes down circle
The outer chamfering of post pipe nipple upper port, because the upper end of cylinder pipe nipple is provided with U-lag so that the upper end of cylinder pipe nipple is by external force
To contract until hold tightly in the vertical section of angle coupling under extruding, the now outlet of angle coupling is towards being able to lock and not
Sealing state can be influenceed；Conical taper is easy to socket rubber tubing and is difficult to release.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description, accompanying drawing only provides ginseng
Examine and used with explanation, be not used to limit the utility model.
Fig. 1 is the front view of the utility model embodiment one.
Fig. 2 is Fig. 1 top view.
Fig. 3 is Fig. 1 right view.
Fig. 4 is the front view of the utility model embodiment two.
Fig. 5 is the stereogram of the utility model embodiment two.
Fig. 6 is the assembling schematic diagram of cylinder pipe nipple and angle coupling.
Fig. 7 is the stereogram of cylinder pipe nipple.
Fig. 8 is the stereogram of cylinder pipe nipple and angle coupling.
In figure：1. valve body；1a. overlaps；The left backers of 1b.；The right backers of 1c.；2. valve rod；3. square valve plate；3a. flat iron bars；
4. square flange；4a. link bolt hole；5. valve body ear mount；6. handle；7. circular location-plate；7a. aperture positioning holes；8. dead bolt；
9. pin；10. limited block；11. cylinder pipe nipple；11a. external screw threads；11b.U shape grooves；The outer chamferings of 11c.；12. locking nut；13.
Angle coupling；13a. vertical sections；13a1. annular grooves；13b. horizontal segments；13b1. conical tapers；14. flat shim；15.O types
Circle；16. pipe cap.
Embodiment
As shown in Figures 1 to 5, basement rectangular ventilating duct of the present utility model includes the valve of rectangular cross-section with air-valve
Body 1, vertically extending valve rod 2 and square valve plate 3, the front and back end portses of valve body 1 are connected on square flange 4, square flange 4
Link bolt hole 4a is evenly equipped with, square valve plate 3 is located at the inner chamber of valve body 1, and the axis of valve rod 2 is located in valve body width
The heart, the left side inwall of valve body 1 is provided with left backer 1b, and the right side inwall of valve body 1 is provided with right backer 1c, the left and right equal position of backer
In on the central cross-section of valve body fore-and-aft direction, and left half cycle extensions of the left backer 1b along valve interior wall, right backer 1c is along along valve body
The right half cycle extension of wall, square valve plate 3 is symmetrically connected on valve rod 2, and the left half part of square valve plate 3 is in after left backer 1b
Side, the right side of square valve plate 3 is located at right backer 1c front, and the lower end of valve rod 2 is supported on the bottom wall of valve body 1, valve rod 2
Upper end is passed from the valve body ear mount 5 on valve body roof, and the upper end of valve rod 2 is provided with handle 6；The outer face of valve body ear mount 5 is consolidated
Surely have and be evenly distributed with multiple aperture positioning hole 7a on circular location-plate 7, the circumference of circular location-plate 7, the upper surface of handle 6 is set
It is fluted, dead bolt 8 is embedded with groove, the middle part of dead bolt 8 is hinged on handle 6 by pin 9, and torsion spring is set with pin 9,
The tension force of torsion spring makes the front end of dead bolt 8 be pressed on handle 6, and the front end riveting of dead bolt 8, which has, may be inserted into aperture positioning hole 7a's
Lock pin, the rear end of dead bolt 8 is upturned.
The rear end of dead bolt 8 is depressed, lock pin is extracted from some aperture positioning hole, swing handle 6 makes lock pin alignment another
One aperture positioning hole, then unclamps dead bolt 8, under the tension force effect of torsion spring, the front end pressure of dead bolt 8, lock pin insertion aperture
In positioning hole 7a, make the aperture of square valve plate 3 adjusted, it is to possess different apertures to insert different aperture positioning hole 7a,
It will not be changed by airflow influence.Left and right backer plays a part of valve seat, and left and right backer extends along the inwall of valve body 1 respectively,
Influence to valve body sectional area is smaller, advantageously reduces gas-flow resistance, when square valve plate 3 is parallel to valve body longitudinal axis,
Air-valve is shown in a fully open operation.When the left side outer rim of square valve plate 3 is pressed on left backer 1b, outside the right side of square valve plate 3
Edge is pressed on right backer 1c simultaneously, and now air-valve is in the completely closed state.The sealing surface of the air-valve is plane, square valve plate 3
Excircle do not coordinate requirement, easy to process, manufacture difficulty is low.
Position corresponding with the square standard-sized sheet of valve plate 3 and full-shut position is respectively equipped with limited block 10 on circular location-plate 7.Pass through
Stroke progress of the limited block 10 to handle 6 is spacing, is to be rotated further in the square standard-sized sheet of valve plate 3 or fully closed position, it is to avoid
Cause to damage.
Valve rod 2 is located at the middle part of the length direction of valve body 1.
Left backer 1b is provided with rubber gasket with the surface that right backer 1c is in contact with square valve plate 3.Be conducive to improving wind
Sealing property when valve is fully closed.
The rear lateral edge of the left half cycle of square valve plate 3 and the front side edge edge of right half cycle are respectively welded flat iron bar 3a.Due to side
The area of shape valve plate 3 is larger, and its outer rim is strength and stiffness most weak position, easily deforms, causes and left and right backer
1c contact surface out-of-flatness, can improve the smooth precision of sealing surface along the edge welding flat iron bar 3a of square valve plate 3, carry simultaneously
The intensity of high square valve plate 3.
The left and right sidewall of valve body 1 is respectively equipped with the overlap 1a extended up and down, overlap 1a top and bottom and square method
The upper limb of orchid 4 is concordant with lower edge, and the back side of overlap 1a rear and front end respectively with square flange 4 is welded as a whole.Without in addition
Reinforcement is welded, by setting overlap 1a on the side wall of valve body 1, that is, is realized to adding between valve body 1 and rear and front end flange
Use is pretended, the bulk strength of valve body 1 and flange is improved, material has both been saved, saved again artificial.
As shown in Figures 1 to 8, cylinder pipe nipple 11 is connected with the middle part of the roof of valve body 1, the upper end of cylinder pipe nipple 11 is symmetrically set
There is the U-lag 11b extended downwardly along cylinder pipe nipple 11, U-lag 11b lower section is provided with external screw thread 11a.Cylinder pipe nipple 11 plays survey
The effect of metering-orifice, is easy to measure the blast and air quantity inside air-valve, also allows for inserting by cylinder pipe nipple 11 and pops one's head in.
As shown in Figure 4 and Figure 5, it is connected with pipe cap 16 on the external screw thread 11a of cylinder pipe nipple 11.During non-measured state, lead to
Pipe cap 16 is crossed to close the external port of cylinder pipe nipple 11.
As shown in Figure 6 to 8, the inwall of the upper end of cylinder pipe nipple 11 is provided with interior step, and the upper port of cylinder pipe nipple 11 is provided with
Outer chamfering 11c；Be connected with locking nut 12 on the external screw thread 11a of cylinder pipe nipple 11, the upper end of locking nut 12 for blind end and
Centre is provided with nut centre bore, the lower port of nut centre bore provided with interior chamfering and with the outer chamfering of cylinder pipe nipple upper port
11c fits；It is plugged with the vertical section 13a of angle coupling 13 in the nut centre bore of locking nut 12, vertical section 13a is from nut
The inner chamber of central hole insertion cylinder pipe nipple 11, and between vertical section 13a lower port and the interior step of the inwall of cylinder pipe nipple 11
Realized and sealed by flat shim 14；Vertical section 13a periphery is provided with twice annular groove 13a1, annular groove 13a1 and set respectively
There is realization sealing between the inwall of O-ring 15 and cylinder pipe nipple 11；The upper end of angle coupling 13 is provided with and mutually passed through with vertical section 13a
Horizontal segment 13b that is logical and at right angles connecting, horizontal segment 13b outer wall is provided with conical taper 13b1.
Realized and sealed by O-ring 15 between the vertical section 13a of angle coupling 13 and cylinder pipe nipple 11, do not had in locking nut 12
Before tightening, angle coupling 13 is first turned to the direction of needs, then tightens locking nut 12, until the blind end of locking nut 12
The interior chamfering of nut centre bore pushes down the outer chamfering 11c of cylinder pipe nipple upper port, because the upper end of cylinder pipe nipple 11 is provided with U-lag
11b so that the upper end of cylinder pipe nipple 11 by external force in the case where being extruded to contract until holding the vertical section in angle coupling 13 tightly
On 13a, now the outlet direction of angle coupling 13 is able to lock and do not interfere with sealing state；Conical taper 13b1 is easy to socket
Rubber tubing and it is difficult to release.
The utility model is not limited to above-described embodiment, on the basis of technical scheme disclosed in the utility model, this
The technical staff in field is according to disclosed technology contents, it is not necessary to which performing creative labour just can be special to some of which technology
Levy and make some replacements and deform, these are replaced and deformed in protection domain of the present utility model.
Claims (9)
1. a kind of basement rectangular ventilating duct air-valve, including the valve body of rectangular cross-section, vertically extending valve rod and square
Valve plate, the front and back end portses of the valve body, which are connected on square flange, the square flange, is evenly equipped with link bolt hole, described
Square valve plate is located at the inner chamber of the valve body, and the axis of the valve rod is located at the center of the valve body width, and its feature exists
In：The left side inwall of the valve body is provided with left backer, and the right side inwall of the valve body is provided with right backer, described left and right to lean on
Mountain is respectively positioned on the central cross-section of the valve body fore-and-aft direction, and left half cycle extension of the left backer along valve interior wall, described
Right half cycle extension of the right backer along valve interior wall, the square valve plate is symmetrically connected on the valve rod, the square valve plate
Left half part is in the rear of the left backer, and the right side of the square valve plate is located at the front of the right backer, the valve rod
Lower end be supported on the bottom wall of the valve body, the upper end of the valve rod is passed from the valve body ear mount on the valve body roof,
And the upper end of the valve rod is provided with handle；The outer face of the valve body ear mount is fixed with circular location-plate, the circular location-plate
Circumference on be evenly distributed with multiple aperture positioning holes, the upper surface of the handle, which is provided with groove, the groove, is embedded with lock
Tongue, the middle part of the dead bolt on the handle, is set with torsion spring, the tension force of the torsion spring by pin-hinges on the pin
The front end of dead bolt is set to be pressed on the handle, the front end riveting of the dead bolt has the lock that may be inserted into the aperture positioning hole
Pin, the rear end of the dead bolt is upturned.
2. basement rectangular ventilating duct air-valve according to claim 1, it is characterised in that：On the circular location-plate
Position corresponding with the square valve plate standard-sized sheet and full-shut position is respectively equipped with limited block.
3. basement rectangular ventilating duct air-valve according to claim 1, it is characterised in that：The valve rod is located at described
The middle part in body length direction.
4. basement rectangular ventilating duct air-valve according to claim 1, it is characterised in that：The left backer with it is described
The surface that right backer is in contact with the square valve plate is provided with rubber gasket.
5. basement rectangular ventilating duct air-valve according to claim 1, it is characterised in that：The square valve plate left half
The rear lateral edge in week and the front side edge edge of right half cycle are respectively welded flat iron bar.
6. basement rectangular ventilating duct air-valve according to claim 1, it is characterised in that：The left and right sides of the valve body
Wall is respectively equipped with the overlap extended up and down, and the top and bottom of the overlap are concordant with the upper limb of square flange and lower edge, institute
The back side of the rear and front end of overlap respectively with the square flange is stated to be welded as a whole.
7. basement rectangular ventilating duct air-valve according to any one of claim 1 to 6, it is characterised in that：It is described
Cylinder pipe nipple is connected with the middle part of the roof of valve body, the upper end of the cylinder pipe nipple is arranged with the U extended downwardly along cylinder pipe nipple
Shape groove, the lower section of the U-lag is provided with external screw thread.
8. basement rectangular ventilating duct air-valve according to claim 7, it is characterised in that：Outside the cylinder pipe nipple
Pipe cap is connected with screw thread.
9. basement rectangular ventilating duct air-valve according to claim 7, it is characterised in that：The cylinder pipe nipple upper end
Inwall be provided with interior step, the upper port of the cylinder pipe nipple is provided with outer chamfering；It is connected with the external screw thread of the cylinder pipe nipple
Locking nut, the upper end of the locking nut is blind end and centre is provided with nut centre bore, the nut centre bore
Lower port fits provided with interior chamfering and with the outer chamfering of the cylinder pipe nipple upper port；The nut centre bore of the locking nut
In be plugged with the vertical section of angle coupling, the vertical section inserts the inner chamber of the cylinder pipe nipple from the nut central hole,
And sealing is realized by flat shim between the interior step of the lower port of the vertical section and the cylinder pipe nipple inwall；It is described vertical
The periphery of section is provided with twice annular groove, the annular groove and is respectively equipped between the inwall of O-ring and the cylinder pipe nipple
Realize sealing；The upper end of the angle coupling is provided with the horizontal segment for being mutually communicated and being at right angles connected with the vertical section, described
The outer wall of horizontal segment is provided with conical taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132051.9U CN206503952U (en) | 2017-02-14 | 2017-02-14 | A kind of basement rectangular ventilating duct air-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132051.9U CN206503952U (en) | 2017-02-14 | 2017-02-14 | A kind of basement rectangular ventilating duct air-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503952U true CN206503952U (en) | 2017-09-19 |
Family
ID=59834586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720132051.9U Active CN206503952U (en) | 2017-02-14 | 2017-02-14 | A kind of basement rectangular ventilating duct air-valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN206503952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505997A (en) * | 2019-01-04 | 2019-03-22 | 朱帅霖 | It is a kind of energy-saving without maintenance current flow air-valve |
-
2017
- 2017-02-14 CN CN201720132051.9U patent/CN206503952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505997A (en) * | 2019-01-04 | 2019-03-22 | 朱帅霖 | It is a kind of energy-saving without maintenance current flow air-valve |
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