CN214889079U - Air suspension centrifugal blower atmospheric valve controlling means - Google Patents
Air suspension centrifugal blower atmospheric valve controlling means Download PDFInfo
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- CN214889079U CN214889079U CN202121754111.3U CN202121754111U CN214889079U CN 214889079 U CN214889079 U CN 214889079U CN 202121754111 U CN202121754111 U CN 202121754111U CN 214889079 U CN214889079 U CN 214889079U
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Abstract
The utility model discloses an air suspension centrifugal blower vent valve control device, which comprises a shell, an end cover arranged at the rear end of the shell and a valve core assembly arranged between the rear end of the shell and the end cover; an air inlet is formed at the front end of the shell, a straight barrel communicated with the air inlet is formed in the shell, and an air outlet is also formed at the upper end of the shell; the valve core assembly comprises a valve core shaft, a silica gel air drum fixedly arranged on the valve core shaft, a metal sheet which is attached to the front end face of the silica gel air drum and can be elastically deformed, a spring arranged between the valve core shaft and an end cover and an elastic force adjusting module used for adjusting the elastic force of the spring, wherein the outer edge of the silica gel air drum is fixed between the rear end of the shell and the end cover, the metal sheet blocks the opening at the rear end of the straight cylinder pipe, an air inlet cavity is formed inside the straight cylinder pipe, an air outlet cavity communicated with the air outlet is formed between the outer part of the straight cylinder pipe and the silica gel air drum, and a balance cavity is formed between the silica gel air drum and the end cover; the air inlet cavity is communicated with the balance cavity through an air pipe matched with the electromagnetic valve.
Description
The technical field is as follows:
the utility model relates to an air-blower product technical field refers in particular to an air suspension centrifugal blower unloading valve controlling means.
Background art:
the centrifugal blower is widely applied in the fields of sewage treatment, metallurgy, electric power, petrochemical industry and the like. The air suspension centrifugal blower is a brand new concept blower, adopts three core high-end technologies of 'ultra-high speed direct connection motor', 'air suspension bearing' and 'high-precision single-stage centrifugal impeller', creates a new era of high-efficiency, high-performance, low-noise and low-energy consumption blower, and is a new generation of high-tech civil product which is carefully developed by adopting the design experience of aviation turbomachinery.
However, in the starting and stopping processes of the air suspension centrifugal blower or in an abnormal working state, if the outlet pressure is insufficient or the flow rate is small, the blower is easy to be abnormal, even safety accidents are caused, and an effective solution is not provided at present.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide an air suspension centrifugal blower unloading valve controlling means.
In order to solve the technical problem, the utility model discloses a following technical scheme: the air-suspending centrifugal blower vent valve control device comprises a shell, an end cover arranged at the rear end of the shell and a valve core assembly arranged between the rear end of the shell and the end cover; an air inlet is formed at the front end of the shell, a straight barrel communicated with the air inlet is formed in the shell, and an air outlet is also formed at the upper end of the shell; the valve core assembly comprises a valve core shaft, a silica gel air drum fixedly arranged on the valve core shaft, a metal sheet which is attached to the front end face of the silica gel air drum and can be elastically deformed, a spring arranged between the valve core shaft and an end cover and an elastic force adjusting module used for adjusting the elastic force of the spring, wherein the outer edge of the silica gel air drum is fixed between the rear end of the shell and the end cover, the metal sheet blocks the opening at the rear end of the straight cylinder pipe, an air inlet cavity is formed inside the straight cylinder pipe, an air outlet cavity communicated with the air outlet is formed between the outer part of the straight cylinder pipe and the silica gel air drum, and a balance cavity is formed between the silica gel air drum and the end cover; the air inlet cavity is communicated with the balance cavity through an air pipe matched with the electromagnetic valve.
Furthermore, in the above technical solution, the front end of the valve core shaft is provided with a guide frame, and the guide frame is inserted into the straight cylinder pipe and can slide in the straight cylinder pipe.
Furthermore, in the above technical solution, the guide frame includes an annular body and a connecting rod integrally connected to an inner wall of the annular body and an outer periphery of a front end of the valve core shaft, and an outer portion of the annular body contacts an inner wall of the straight cylindrical pipe.
Furthermore, in the above technical scheme, a limiting flange and a limiting sheet installed beside the limiting flange are arranged in the valve core shaft, and the metal sheet and the central hole of the silica gel air drum are sleeved on the valve core shaft and are clamped and fixed by the limiting flange and the limiting sheet.
Furthermore, in the above technical scheme, a support sheet is further attached to the rear end face of the silica gel air drum, and the support sheet is sleeved on the valve core shaft.
Further, in the above technical solution, the limiting piece is installed on the valve core shaft in a manner of being fixed spirally.
Furthermore, in the above technical solution, a convex ring is formed forward at the center of the front end of the end cover, and a screw hole communicated with the inside of the convex ring is arranged at the rear end of the end cover, and the elasticity adjusting module comprises a cushion block slidably arranged in the convex ring and a screw spirally penetrating through the screw hole and connected with the cushion block; the spring penetrates through the convex ring, and two ends of the spring are respectively pressed between the cushion block and the valve core shaft.
Further, in the above technical solution, at least two guide grooves are arranged on the periphery of the convex ring; at least two guide blocks are formed on the outer side of the cushion block and are arranged in the guide grooves.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses an air suspension centrifugal blower starts and stops machine in the twinkling of an eye, and the gas (wind promptly) to its export is automatic to be emptied and is handled, prevents that the pipeline gas refluence from causing the impeller to strike and destroy, and then has solved air suspension centrifugal blower and starting and stopping the in-process, perhaps under abnormal operating condition, if outlet pressure is not enough or the flow is less, causes the air-blower to appear unusually easily, causes the technical problem of incident even. Additionally, the utility model discloses not directly adopt the straight bobbin rear end opening of silica gel air drum shutoff, but adopt the straight bobbin rear end opening of silica gel air drum cooperation sheetmetal shutoff to this guarantees the long-term back of using of silica gel air drum, is difficult to the straight bobbin rear end opening of shutoff when deformability is not enough, and the utility model discloses an elasticity through the spring orders about the straight bobbin rear end opening of sheetmetal shutoff with the deformability of silica gel air drum self, guarantees the effect of shutoff, even when the deformability of silica gel air drum self is not enough, module regulating spring elasticity is adjusted to the accessible elasticity, in order to compensate the effort, can stabilize the straight bobbin rear end opening of shutoff with guaranteeing the sheetmetal, and can improve the utility model discloses a life.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of another perspective of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a perspective view of the valve core assembly of the present invention;
fig. 5 is a perspective view of another perspective of the valve core assembly of the present invention;
fig. 6 is a perspective view of the middle end cap of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Referring to fig. 1-6, the blow-down valve control device for the air suspension centrifugal blower comprises a housing 1, an end cover 2 mounted at the rear end of the housing 1, and a valve core assembly 3 mounted between the rear end of the housing 1 and the end cover 2; an air inlet 11 is formed at the front end of the shell 1, a straight cylindrical pipe 12 communicated with the air inlet 11 is formed in the shell 1, and an air outlet 13 is also formed at the upper end of the shell 1; the valve core component 3 comprises a valve core shaft 31, a silica gel air drum 32 fixedly installed on the valve core shaft 31, a metal sheet 33 which is attached to the front end face of the silica gel air drum 32 and can be elastically deformed, a spring 34 installed between the valve core shaft 31 and the end cover 2, and an elastic force adjusting module 35 used for adjusting the elastic force of the spring 34, wherein the outer edge of the silica gel air drum 32 is fixed between the rear end of the shell 1 and the end cover 2, the metal sheet 33 blocks the opening at the rear end of the straight cylinder tube 12, an air inlet cavity 101 is formed inside the straight cylinder tube 12, an air outlet cavity 102 communicated with the air outlet 13 is formed between the outside of the straight cylinder tube 12 and the silica gel air drum 32, and a balance cavity 103 is formed between the silica gel air drum 32 and the end cover 2; the air inlet cavity 101 is communicated with the balance cavity 103 through an air pipe matched with an electromagnetic valve. When the utility model is used, the air inlet 11 at the front end of the shell 1 is connected with the outlet of the air suspension centrifugal blower; when the pressure in the air inlet cavity 101 is greater than the elastic force of the spring 34, the metal sheet 33 is pushed away from the opening at the rear end of the straight bobbin 12 to form a gap, and the silica gel air drum 32 is deformed to communicate the air inlet cavity 101 with the air outlet cavity 102, at the moment, the utility model is in an open state, and the air discharged from the outlet of the air suspension centrifugal blower can be discharged from the air outlet 13 at the upper end of the shell 1; when the pressure in chamber 101 that admits air is less than or equal to spring 34's elasticity, sheetmetal 33 can contact with straight bobbin 12 rear end opening in order to block off straight bobbin 12 rear end, makes chamber 101 that admits air and goes out the air cavity 102 isolated, at this moment the utility model discloses be in the closed condition, the air outlet 13 discharge of shell 1 upper end can not be followed to the export exhaust wind of air suspension centrifugal blower to realized that air suspension centrifugal blower starts and stops the machine in the twinkling of an eye, to the automatic processing of emptying of the gas (being wind) of its export, prevent that pipeline gas refluence from leading to the fact the impact to the impeller and destroy, and then solved air suspension centrifugal blower at start-up and stop process, or under abnormal operating condition, if outlet pressure is not enough or flow is less, cause the air blower to appear unusually easily, cause the technical problem of incident even. Additionally, the utility model discloses not directly adopt the straight bobbin 12 rear end opening of silica gel air drum 32 shutoff, but adopt the straight bobbin 12 rear end opening of silica gel air drum 32 cooperation sheetmetal 33 shutoff to this guarantees the long-term back of using of silica gel air drum 32, is difficult to the straight bobbin 12 rear end opening of shutoff when deformability is not enough, and the utility model discloses an elasticity through the spring and the deformability of silica gel air drum 32 self order about the straight bobbin 12 rear end opening of sheetmetal 33 shutoff, guarantee the effect of shutoff, even when the deformability of silica gel air drum 32 self is not enough, module 35 adjusting spring 34 elasticity is adjusted to accessible elasticity, in order to compensate the effort, in order to guarantee sheetmetal 33 can stabilize the straight bobbin 12 rear end opening of shutoff, and can improve the utility model discloses a life.
The pressure change in the intake chamber 101 is realized by opening or closing a solenoid valve.
The front end of the valve core shaft 31 is provided with a guide frame 36, the guide frame 36 penetrates through the straight bobbin 12 and can slide in the straight bobbin 12, so that the silica gel air drum 32 can be stably deformed, and the phenomena of deflection deformation and reduction of service life caused by uneven stress of the silica gel air drum 32 are prevented.
The guide frame 36 includes an annular body 361 and a connecting rod 362 integrally connected to the inner wall of the annular body 361 and the outer periphery of the front end of the valve plug shaft 31, the outer portion of the annular body 361 contacts with the inner wall of the straight tube 12, and the structure is extremely simple.
The spool shaft 31 is internally provided with a limiting flange 311 and a limiting sheet 312 arranged at the side of the limiting flange 311, the central holes of the metal sheet 33 and the silica gel air drum 32 are sleeved on the spool shaft 31 and are clamped and fixed by the limiting flange 311 and the limiting sheet 312, so that the metal sheet 33 and the silica gel air drum 32 are stably arranged on the spool shaft 31, and the strength of the metal sheet 33 and the silica gel air drum 32 is ensured.
The rear end face of the silica gel air drum 32 is further attached with a support sheet 321, the support sheet 321 is sleeved on the valve core shaft 31, and the strength of the structure of the silica gel air drum 32 can be enhanced through the support sheet 321.
The limiting sheet 312 is installed on the valve core shaft 31 in a spiral fixing mode, so that the installation is more convenient.
A convex ring 21 is formed forward at the center of the front end of the end cover 2, a screw hole 22 communicated with the inner part of the convex ring 21 is formed at the rear end of the end cover 2, and the elastic force adjusting module 35 comprises a cushion block 351 arranged in the convex ring 21 in a sliding manner and a screw 352 spirally arranged in the screw hole 22 and connected with the cushion block 351; the spring 34 is disposed in the protruding ring 21, and two ends of the spring 34 respectively abut against the pad 351 and the valve plug shaft 31. When the screw 352 is screwed in, the pad 351 can be moved in the convex ring towards the direction close to the spring 34, so as to further compress the spring and increase the elastic force of the spring 34; when the screw 352 is unscrewed, the pad 351 can be moved in the collar away from the spring 34, thereby releasing the spring and reducing the elasticity of the spring 34 to meet different use requirements.
At least two guide grooves 211 are formed in the periphery of the convex ring 21; at least two guide blocks 353 are formed outside the pad block 351, and the guide blocks 353 are arranged in the guide grooves 211, so that the pad block 351 can stably slide on the convex ring 21.
The end cover 2 is provided with a perforation 23 for connecting the air pipe.
To sum up, when the utility model is used, the air inlet 11 at the front end of the shell 1 is connected with the outlet of the air suspension centrifugal blower; when the pressure in the air inlet cavity 101 is greater than the elastic force of the spring 34, the metal sheet 33 is pushed away from the opening at the rear end of the straight bobbin 12 to form a gap, and the silica gel air drum 32 is deformed to communicate the air inlet cavity 101 with the air outlet cavity 102, at the moment, the utility model is in an open state, and the air discharged from the outlet of the air suspension centrifugal blower can be discharged from the air outlet 13 at the upper end of the shell 1; when the pressure in chamber 101 that admits air is less than or equal to spring 34's elasticity, sheetmetal 33 can contact with straight bobbin 12 rear end opening in order to block off straight bobbin 12 rear end, makes chamber 101 that admits air and goes out the air cavity 102 isolated, at this moment the utility model discloses be in the closed condition, the air outlet 13 discharge of shell 1 upper end can not be followed to the export exhaust wind of air suspension centrifugal blower to realized that air suspension centrifugal blower starts and stops the machine in the twinkling of an eye, to the automatic processing of emptying of the gas (being wind) of its export, prevent that pipeline gas refluence from leading to the fact the impact to the impeller and destroy, and then solved air suspension centrifugal blower at start-up and stop process, or under abnormal operating condition, if outlet pressure is not enough or flow is less, cause the air blower to appear unusually easily, cause the technical problem of incident even. Additionally, the utility model discloses not directly adopt the straight bobbin 12 rear end opening of silica gel air drum 32 shutoff, but adopt the straight bobbin 12 rear end opening of silica gel air drum 32 cooperation sheetmetal 33 shutoff to this guarantees the long-term back of using of silica gel air drum 32, is difficult to the straight bobbin 12 rear end opening of shutoff when deformability is not enough, and the utility model discloses an elasticity through the spring and the deformability of silica gel air drum 32 self order about the straight bobbin 12 rear end opening of sheetmetal 33 shutoff, guarantee the effect of shutoff, even when the deformability of silica gel air drum 32 self is not enough, module 35 adjusting spring 34 elasticity is adjusted to accessible elasticity, in order to compensate the effort, in order to guarantee sheetmetal 33 can stabilize the straight bobbin 12 rear end opening of shutoff, and can improve the utility model discloses a life.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides an air suspension centrifugal blower emptying valve controlling means which characterized in that: the valve core assembly comprises a shell (1), an end cover (2) arranged at the rear end of the shell (1) and a valve core assembly (3) arranged between the rear end of the shell (1) and the end cover (2); an air inlet (11) is formed at the front end of the shell (1), a straight bobbin (12) communicated with the air inlet (11) is formed in the shell (1), and an air outlet (13) is also formed at the upper end of the shell (1); the valve core assembly (3) comprises a valve core shaft (31), a silica gel air drum (32) fixedly installed on the valve core shaft (31), a metal sheet (33) which is attached to the front end face of the silica gel air drum (32) and can be elastically deformed, a spring (34) installed between the valve core shaft (31) and the end cover (2) and an elastic force adjusting module (35) used for adjusting the elastic force of the spring (34), wherein the outer edge of the silica gel air drum (32) is fixed between the rear end of the shell (1) and the end cover (2), the metal sheet (33) blocks the opening at the rear end of the straight barrel pipe (12), an air inlet cavity (101) is formed inside the straight barrel pipe (12), an air outlet cavity (102) communicated with the air outlet (13) is formed between the outside of the straight barrel pipe (12) and the silica gel air drum (32), and a balance cavity (103) is formed between the silica gel air drum (32) and the end cover (2); the air inlet cavity (101) is communicated with the balance cavity (103) through an air pipe matched with the electromagnetic valve.
2. The air-suspending centrifugal blower vent valve control device of claim 1, wherein: the front end of the valve core shaft (31) is provided with a guide frame (36), and the guide frame (36) is arranged in the straight barrel pipe (12) in a penetrating mode and can slide in the straight barrel pipe (12).
3. The air-suspending centrifugal blower vent valve control device of claim 2, wherein: the guide frame (36) comprises an annular body (361) and a connecting rod (362) which is integrally connected with the inner wall of the annular body (361) and the periphery of the front end of the valve core shaft (31), and the outer part of the annular body (361) is contacted with the inner wall of the straight bobbin (12).
4. The air suspension centrifugal blower dump valve control apparatus of any one of claims 1-3, wherein: a limiting flange (311) and a limiting sheet (312) arranged beside the limiting flange (311) are arranged in the valve core shaft (31), and the metal sheet (33) and the central hole of the silica gel air drum (32) are sleeved on the valve core shaft (31) and are clamped and fixed by the limiting flange (311) and the limiting sheet (312).
5. The air-suspending centrifugal blower vent valve control device of claim 4, wherein: the rear end face of the silica gel air drum (32) is also attached with a supporting sheet (321), and the supporting sheet (321) is sleeved on the valve core shaft (31).
6. The air-suspending centrifugal blower vent valve control device of claim 4, wherein: the limiting sheet (312) is arranged on the valve core shaft (31) in a spiral fixing mode.
7. The air-suspending centrifugal blower vent valve control device of claim 4, wherein: a convex ring (21) is formed forwards in the center of the front end of the end cover (2), a screw hole (22) communicated with the inner part of the convex ring (21) is formed in the rear end of the end cover (2), and the elastic force adjusting module (35) comprises a cushion block (351) arranged in the convex ring (21) in a sliding mode and a screw (352) spirally arranged in the screw hole (22) in a penetrating manner and connected with the cushion block (351); the spring (34) penetrates through the convex ring (21), and two ends of the spring (34) are respectively pressed between the cushion block (351) and the valve core shaft (31).
8. The air-suspending centrifugal blower dump valve control apparatus of claim 7, wherein: at least two guide grooves (211) are formed in the periphery of the convex ring (21); at least two guide blocks (353) are formed on the outer side of the cushion block (351), and the guide blocks (353) are placed in the guide grooves (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121754111.3U CN214889079U (en) | 2021-07-29 | 2021-07-29 | Air suspension centrifugal blower atmospheric valve controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121754111.3U CN214889079U (en) | 2021-07-29 | 2021-07-29 | Air suspension centrifugal blower atmospheric valve controlling means |
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| Publication Number | Publication Date |
|---|---|
| CN214889079U true CN214889079U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121754111.3U Active CN214889079U (en) | 2021-07-29 | 2021-07-29 | Air suspension centrifugal blower atmospheric valve controlling means |
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| CN (1) | CN214889079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135520A (en) * | 2021-12-07 | 2022-03-04 | 山东硕源动力科技有限公司 | Air suspension blower exhaust system and control method |
-
2021
- 2021-07-29 CN CN202121754111.3U patent/CN214889079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135520A (en) * | 2021-12-07 | 2022-03-04 | 山东硕源动力科技有限公司 | Air suspension blower exhaust system and control method |
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