CN203892642U - Vacuum compensator - Google Patents
Vacuum compensator Download PDFInfo
- Publication number
- CN203892642U CN203892642U CN201420022473.7U CN201420022473U CN203892642U CN 203892642 U CN203892642 U CN 203892642U CN 201420022473 U CN201420022473 U CN 201420022473U CN 203892642 U CN203892642 U CN 203892642U
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- Prior art keywords
- level
- base plate
- casing
- sealing
- vacuum compensator
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- 238000007789 sealing Methods 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 10
- 239000011148 porous material Substances 0.000 abstract 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to a vacuum compensator. The vacuum compensator comprises a shell consisting of a base plate, a side wall and a top plate, wherein a first inner cavity and a second inner cavity partitioned by a seal plate are arranged in the shell from bottom to top; a vertical breather pipe is arranged between the seal plate and the base plate; the top end of the breather pipe passes through the seal plate to be communicated with the second inner cavity, and the bottom end of the breather pipe penetrates into the base plate to be communicated with an annular ventilation pore channel formed in the base plate; the annular ventilation pore channel is communicated with one end of each of a plurality of straight ventilation pore channels uniformly formed in the base plate on the outside of the annular ventilation pore channel along the circumference, and the other ends of the straight ventilation pore channels are respectively communicated with the outside through vent holes formed in the base plate on the lower side of the annular ventilation pore channel. The vacuum compensator is reasonable in structural design; due to the arrangement of two stages of sealing devices, the vacuum compensator is good in sealing effect and safe and reliable to use; when the first-stage sealing device breaks down, the second-stage sealing device begins to seal, negative pressure in water supply equipment can be eliminated when water supply of a water supply network is cut off; moreover, the vacuum compensator is high in pressure resistance, and normal operation of the equipment can be ensured when the air pressure is higher.
Description
Technical field:
The utility model relates to the vacuum compensator that non-negative pressure water-supply installation is used.
Background technique:
At present, on non-negative pressure water-supply installation, normally used vacuum compensator is common one-way sealing valve, it is relatively simple for structure, sealing effect is bad, poor reliability, in using process, is easy to cause its damage when excessive if hydraulic pressure floats, so that from the vent of its housing upper end, outside, there is the situation of leaking, affect the normal work of equipment.
Model utility content:
The utility model is in order to make up the deficiencies in the prior art, a kind of vacuum compensator is provided, and its reasonable in design, arranges two-stage seal arrangement, good sealing effect, safe and reliable, when primary seal device breaks down, two stage sealing device starts to carry out seal operation, can not only when cutting off the water appears in water supply network, eliminate the negative pressure in water supply equipment, and anti-pressure ability is strong, can when hydraulic pressure is larger, guarantee the normal work of equipment, solved problems of the prior art.
The utility model is to solve the problems of the technologies described above adopted technological scheme to be:
A kind of vacuum compensator, comprise by base plate, the housing that sidewall and top board form, bottom-up the first inner chamber and the second inner chamber being divided into by shrouding that be provided with in housing, the primary seal device being positioned at below base plate is installed in the first through hole of base plate, primary seal device is connected the first inner chamber with outside, the second through hole at shrouding is provided with the two stage sealing device that is positioned at the first inner chamber, two stage sealing device is by the second inner chamber and the first intracavity inter-connection, between shrouding and base plate, be provided with a vertical breathing pipe, the top of breathing pipe is through shrouding and the second intracavity inter-connection, ventilation annulus in bottom penetrates base plate and is located at base plate is connected, ventilation annulus is connected with the one end in several straight hole roads of ventilating be located at the base plate in its outside along even circumferential in, the other end in several ventilation straight hole roads is connected with the external world by the exhaust port being located on its downside base plate respectively.
Described primary seal device comprises an one-level casing being communicated with up and down, the one-level cylinder that is located at one-level casing upper end inserts in the first through hole of base plate and is connected with base plate sealing, the one-level net cylinder upper end with one-level mesh and the one-level casing that are located in one-level casing are connected, in one-level net cylinder, be provided with one-level ball float, in one-level net cylinder above one-level ball float, be provided with a movable upper end and insert the one-level slip sealing in one-level cylinder, on the upper end sidewall of one-level slip sealing, be provided with some one-levels water inlet, in the upper portion side wall of one-level casing, be provided with several one-level vents.
Inside top at one-level casing is provided with a circle primary seal tooth, is provided with the circle primary seal rubber cushion matching with primary seal tooth on one-level slip sealing.
In one-level slip sealing bottom, be provided with the ball recess matching with one-level ball float.
Described two stage sealing device comprises a secondary casing being communicated with up and down, the secondary cylinder that is located at secondary casing upper end inserts in the second through hole of shrouding and is connected with shrouding sealing, the secondary net cylinder upper end with secondary mesh and the secondary casing that are located in secondary casing are connected, in secondary net cylinder, be provided with secondary ball float, in secondary net cylinder above secondary ball float, be provided with a movable upper end and insert the secondary slip sealing in secondary cylinder, on the upper end sidewall of secondary slip sealing, be provided with some secondarys water inlet, in the upper portion side wall of secondary casing, be provided with several secondary vents.
Inside top at secondary casing is provided with a circle secondary seal tooth, is provided with the circle secondary seal rubber cushion matching with secondary seal tooth on secondary slip sealing.
In secondary slip sealing bottom, be provided with the ball recess matching with secondary ball float.
Described base plate is blank flange.
The utility model adopts such scheme, reasonable in design, two-stage seal arrangement is set, good sealing effect, safe and reliable, when primary seal device breaks down, two stage sealing device starts to carry out seal operation, can not only when cutting off the water appears in water supply network, eliminate the negative pressure in water supply equipment, and anti-pressure ability is strong, can when hydraulic pressure is larger, guarantee the normal work of equipment, in addition, ventilation annulus by breathing pipe bottom in being located at base plate, ventilation straight hole road and several exhaust ports that are located at base plate downside are connected with the external world, not only install simple, and avoided offering exhaust port on housing sidewall top, guaranteed the attractive in appearance of housing.
Accompanying drawing explanation:
Fig. 1 is mounting structure schematic diagram of the present utility model.
Fig. 2 is the structure for amplifying schematic diagram of the utility model primary seal device.
Fig. 3 is the structure for amplifying schematic diagram of the utility model two stage sealing device.
Fig. 4 is the A-A cross-sectional schematic in Fig. 1.
In figure, 1, base plate, 2, sidewall, 3, top board, 4, shrouding, 5, breathing pipe, 6, primary seal device, 60, one-level casing, 61, one-level cylinder, 62, one-level mesh, 63, one-level net cylinder, 64, one-level ball float, 65, one-level slip sealing, 66, one-level water inlet, 67, one-level vent, 68, primary seal tooth, 69, primary seal rubber cushion, 7, two stage sealing device, 70, secondary casing, 71, secondary cylinder, 72, secondary mesh, 73, secondary net cylinder, 74, secondary ball float, 75, secondary slip sealing, 76, secondary water inlet, 77, secondary vent, 78, secondary seal tooth, 79, secondary seal rubber cushion, 8, the first inner chamber, 9, the second inner chamber, 10, the first through hole, 11, the second through hole, 12, stable current regulator, 13, ventilation annulus, 14, ventilation straight hole road, 15, exhaust port.
Embodiment:
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As Figure 1-4, a kind of vacuum compensator, comprise by base plate 1, the housing that sidewall 2 and top board 3 form, bottom-up the first inner chamber 8 and the second inner chamber 9 being divided into by shrouding 4 that be provided with in housing, the primary seal device 6 being positioned at below base plate 1 is installed at the first through hole 10 places of base plate 1, primary seal device 6 is connected the first inner chamber 8 with outside, the second through hole 11 places at shrouding 4 are provided with the two stage sealing device 7 that is positioned at the first inner chamber 8, two stage sealing device 7 is connected the second inner chamber 9 with the first inner chamber 8, between shrouding 4 and base plate 1, be provided with a vertical breathing pipe 5, the top of breathing pipe 5 is connected with the second inner chamber 9 through shrouding 4, ventilation annulus 13 in bottom penetrates base plate 1 and is located at base plate 1 is connected, ventilation annulus 13 is connected with the one end in several straight hole roads 14 of ventilating be located at the base plate 1 in its outside along even circumferential in, the other end in several ventilation straight hole roads 14 is connected with the external world by the exhaust port 15 being located on its downside base plate 1 respectively.
Described primary seal device 6 comprises an one-level casing 60 being communicated with up and down, the one-level cylinder 61 that is located at one-level casing 60 upper ends inserts in the first through hole 11 of base plates 1 and is connected with base plate 1 sealing, one-level net cylinder 63 upper ends and the one-level casing 60 with the one-level mesh 62 that are located in one-level casing 60 are connected, in one-level net cylinder 63, be provided with one-level ball float 64, in one-level net cylinder 63 above one-level ball float 64, be provided with a movable upper end and insert the one-level slip sealing 65 in one-level cylinder 61, one-level slip sealing 65 is relative with connecting rod 12 positions, one-level contact, on the upper end sidewall of one-level slip sealing 65, be provided with some one-levels water inlet 66, in the upper portion side wall of one-level casing 60, be provided with several one-level vents 67.
Inside top at one-level casing 60 is provided with a circle primary seal tooth 68, on one-level slip sealing 65, be provided with the circle primary seal rubber cushion 69 matching with primary seal tooth 68, primary seal tooth 68 coordinates the sealing that can guarantee between one-level casing 60 and one-level slip sealing 65 with primary seal rubber cushion 69.
In one-level slip sealing 65 bottoms, be provided with the ball recess matching with one-level ball float 64, one-level ball float 64 can in ball recess, one-level be slided sealing 65 vertically, jack-up upwards stably, while avoiding one-level ball float 64 upwards to promote one-level slip sealing 65, there is the situation of inclination, thereby guaranteed the sealing between one-level slip sealing 65 and one-level casing 60.
Described two stage sealing device 7 comprises a secondary casing 70 being communicated with up and down, the secondary cylinder 71 that is located at secondary casing 70 upper ends inserts in the second through hole 14 of the first shroudings 4 and is connected with the first shrouding 4 sealings, secondary net cylinder 73 upper ends and the secondary casing 70 with the secondary mesh 72 that are located in secondary casing 70 are connected, in secondary net cylinder 73, be provided with secondary ball float 74, in secondary net cylinder 73 above secondary ball float 74, be provided with a movable upper end and insert the secondary slip sealing 75 in secondary cylinder 71, secondary slip sealing 75 is relative with connecting rod 15 positions, secondary contact, on the upper end sidewall of secondary slip sealing 75, be provided with some secondarys water inlet 76, in the upper portion side wall of secondary casing 71, be provided with several secondary vents 77.
Inside top at secondary casing 70 is provided with a circle secondary seal tooth 78, on secondary slip sealing 75, be provided with the circle secondary seal rubber cushion 79 matching with secondary seal tooth 78, secondary seal tooth 78 coordinates the sealing that can guarantee between secondary casing 70 and secondary slip sealing 75 with secondary seal rubber cushion 79.
In secondary slip sealing 75 bottoms, be provided with the ball recess matching with secondary ball float 74, secondary ball float 74 can in ball recess, secondary be slided sealing 75 vertically, jack-up upwards stably, while avoiding secondary ball float 74 upwards to promote secondary slip sealing 75, there is the situation of inclination, thereby guaranteed the sealing between secondary slip sealing 75 and secondary casing 70.
Described base plate 1 is blank flange, is connected with the tank flange bolt of stable current regulator 12, and blank flange is simple in structure, easy processing, and mounting or dismounting operation is also very easy.
During use, this vacuum compensator is arranged on stable current regulator 12, primary seal device 6 is positioned at stable current regulator 12.During water supply, the water with certain pressure of sending here from water supply network enters in stable current regulator 12, the one-level mesh 62 of water on one-level casing 60 bottoms and one-level net cylinder 63 sidewalls enters in one-level net cylinder 63, when hydraulic pressure in stable current regulator 12 is normal, one-level ball float 64 in one-level net cylinder 63 upwards floats under the effect of buoyancy, and promote one-level slip sealing 65 and move up, primary seal rubber cushion 69 on one-level slip sealing 65 is sealed with primary seal tooth 68 close contacts of one-level casing 60 inside top, stable current regulator 12 and the first inner chamber 8 are separated, now, hydraulic pressure and vacuum compensator are all in normal state.When if water supply network is cut off the water supply, because breathing pipe 5 is connected the second inner chamber 9, the first inner chamber 8 with the external world, ambient air can enter in stable current regulator 12 by two stage sealing device 7, primary seal device 6, thoroughly eliminates negative pressure appearance.When the hydraulic pressure in stable current regulator 12 surpasses the ability to bear of one-level ball float 64, one-level ball float 64 deforms or damages, one-level slip sealing 65 declines, between itself and one-level casing 60, can produce gap, water just can be through gap, one-level water inlet 66, the first through hole 10 enters the first inner chamber 8, simultaneously, the water entering in the first inner chamber 8 enters in secondary net cylinder 73 through the secondary mesh 72 of secondary casing 70 bottoms and secondary net cylinder 73 sidewalls, because the secondary ball float 74 in secondary net cylinder 73 is greater than the anti-pressure ability of the one-level ball float 64 in one-level net cylinder 63, can under this hydraulic pressure, not be out of shape or damage, secondary ball float 74 upwards floats under the effect of buoyancy, and promote secondary slip sealing 75 and move up, secondary seal rubber cushion 79 on secondary slip sealing 75 is sealed with secondary seal tooth 78 close contacts of secondary casing 70 inside top, the first inner chamber 8 and the second inner chamber 9 are separated, under the effect of two stage sealing device 7, vacuum compensator also can be in normal working.If water enters after two stage sealing device 7 due to the excessive ability to bear that surpasses secondary ball float 74 of hydraulic pressure, secondary ball float 74 deforms or damages, between secondary slip sealing 75 and secondary casing 70, can produce gap, water just can be through gap, secondary water inlet 76, the second through hole 11 enter the second inner chamber 9, then through breathing pipe 5, ventilation annulus 13, ventilation straight hole road 14, exhaust port 15, from base plate 1 bottom, flow out successively, after staff sees that water flows out, can to primary seal device 6 and two stage sealing device 7, keep in repair timely, guarantee the safety of equipment.
Adopt vacuum compensator of the present utility model, reasonable in design, two-stage seal arrangement is set, good sealing effect, safe and reliable, when primary seal device 6 breaks down, two stage sealing device 7 starts to carry out seal operation, can not only when cutting off the water appears in water supply network, eliminate the negative pressure in water supply equipment, and anti-pressure ability is strong, can when hydraulic pressure is larger, guarantees the normal work of equipment.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (8)
1. a vacuum compensator, it is characterized in that: comprise by base plate, the housing that sidewall and top board form, bottom-up the first inner chamber and the second inner chamber being divided into by shrouding that be provided with in housing, the primary seal device being positioned at below base plate is installed in the first through hole of base plate, primary seal device is connected the first inner chamber with outside, the second through hole at shrouding is provided with the two stage sealing device that is positioned at the first inner chamber, two stage sealing device is by the second inner chamber and the first intracavity inter-connection, between shrouding and base plate, be provided with a vertical breathing pipe, the top of breathing pipe is through shrouding and the second intracavity inter-connection, ventilation annulus in bottom penetrates base plate and is located at base plate is connected, ventilation annulus is connected with the one end in several straight hole roads of ventilating be located at the base plate in its outside along even circumferential in, the other end in several ventilation straight hole roads is connected with the external world by the exhaust port being located on its downside base plate respectively.
2. vacuum compensator according to claim 1, it is characterized in that: described primary seal device comprises an one-level casing being communicated with up and down, the one-level cylinder that is located at one-level casing upper end inserts in the first through hole of base plate and is connected with base plate sealing, the one-level net cylinder upper end with one-level mesh and the one-level casing that are located in one-level casing are connected, in one-level net cylinder, be provided with one-level ball float, in one-level net cylinder above one-level ball float, be provided with a movable upper end and insert the one-level slip sealing in one-level cylinder, on the upper end sidewall of one-level slip sealing, be provided with some one-levels water inlet, in the upper portion side wall of one-level casing, be provided with several one-level vents.
3. vacuum compensator according to claim 2, is characterized in that: the inside top at one-level casing is provided with a circle primary seal tooth, is provided with the circle primary seal rubber cushion matching with primary seal tooth on one-level slip sealing.
4. vacuum compensator according to claim 2, is characterized in that: in one-level slip sealing bottom, be provided with the ball recess matching with one-level ball float.
5. vacuum compensator according to claim 1, it is characterized in that: described two stage sealing device comprises a secondary casing being communicated with up and down, the secondary cylinder that is located at secondary casing upper end inserts in the second through hole of shrouding and is connected with shrouding sealing, the secondary net cylinder upper end with secondary mesh and the secondary casing that are located in secondary casing are connected, in secondary net cylinder, be provided with secondary ball float, in secondary net cylinder above secondary ball float, be provided with a movable upper end and insert the secondary slip sealing in secondary cylinder, on the upper end sidewall of secondary slip sealing, be provided with some secondarys water inlet, in the upper portion side wall of secondary casing, be provided with several secondary vents.
6. vacuum compensator according to claim 5, is characterized in that: the inside top at secondary casing is provided with a circle secondary seal tooth, is provided with the circle secondary seal rubber cushion matching with secondary seal tooth on secondary slip sealing.
7. vacuum compensator according to claim 5, is characterized in that: in secondary slip sealing bottom, be provided with the ball recess matching with secondary ball float.
8. vacuum compensator according to claim 1, is characterized in that: described base plate is blank flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420022473.7U CN203892642U (en) | 2014-01-14 | 2014-01-14 | Vacuum compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420022473.7U CN203892642U (en) | 2014-01-14 | 2014-01-14 | Vacuum compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892642U true CN203892642U (en) | 2014-10-22 |
Family
ID=51719047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420022473.7U Expired - Fee Related CN203892642U (en) | 2014-01-14 | 2014-01-14 | Vacuum compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641408A (en) * | 2016-12-30 | 2017-05-10 | 苏州盟通利机电设备有限公司 | Floating ball valve structure |
-
2014
- 2014-01-14 CN CN201420022473.7U patent/CN203892642U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641408A (en) * | 2016-12-30 | 2017-05-10 | 苏州盟通利机电设备有限公司 | Floating ball valve structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141022 Termination date: 20220114 |