CN213871304U - Roots blower adjustable safety valve - Google Patents
Roots blower adjustable safety valve Download PDFInfo
- Publication number
- CN213871304U CN213871304U CN202022998975.1U CN202022998975U CN213871304U CN 213871304 U CN213871304 U CN 213871304U CN 202022998975 U CN202022998975 U CN 202022998975U CN 213871304 U CN213871304 U CN 213871304U
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- Prior art keywords
- adjusting screw
- oil
- block
- annular sleeve
- valve body
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- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 230000001050 lubricating effect Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 abstract description 29
- 239000010687 lubricating oil Substances 0.000 abstract description 12
- 239000003973 paint Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The application discloses an adjustable safety valve of a Roots blower, which comprises a valve body, an oiling structure and a cleaning structure, wherein an adjusting screw rod is arranged at the top end of the valve body; the oiling structure comprises an annular sleeve block, the valve body at the bottom end of the adjusting screw rod is fixedly provided with the annular sleeve block through a bolt, an oil storage cavity is formed in the annular sleeve block, and an oil inlet is fixed on the side edge of the oil storage cavity. Can absorb the inside lubricating oil of deposit oil pocket through lubricated sponge, paint lubricating oil on adjusting screw again, can oil adjusting screw, avoid adjusting screw to lead to the bite because of lacking oil, the convenience when having improved the valve body and maintaining, clean debris on adjusting screw through the brush, avoid bringing debris into the valve body inside because of adjusting screw, pivoted smoothness degree when guaranteeing adjusting screw to use, and through connecting block and gag lever post cooperation, conveniently open the clearance with the brush, the comparatively inconvenient problem of current adjusting screw clearance has been solved.
Description
Technical Field
The application relates to a safety valve, specifically the adjustable relief valve of roots's fan.
Background
The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value.
Because the outlet duct atmospheric pressure of roots's fan when using is great, be in safe consideration, be equipped with the adjustable relief valve on the play tuber pipe of fan usually, current relief valve is when using, generally all adjusts through adjusting screw, can rotate smoothly when using in order to guarantee adjusting screw, need the periodic maintenance to add lubricating oil, but because not set up the structure of oiling on traditional governing valve, it is comparatively inconvenient to lead to adjusting screw to oil when using, the convenience when having reduced the relief valve and maintaining.
The adjusting screw rod is exposed outside for a long time, after the adjusting screw rod is used for a long time, impurities such as dust are easily adhered to the outer surface of the adjusting screw rod, and when the adjusting screw rod is adjusted, the impurities are easily brought into the valve body by the adjusting screw rod when the adjusting screw rod rotates, so that the adjusting screw rod is easily clamped. Therefore, the adjustable safety valve of the Roots blower is provided for solving the problems.
Disclosure of Invention
The adjustable safety valve of the Roots blower comprises a valve body, an oiling structure and a cleaning structure, wherein an adjusting screw rod is arranged at the top end of the valve body;
the oil applying structure comprises an annular sleeve block, the valve body at the bottom end of the adjusting screw rod is fixedly provided with the annular sleeve block through a bolt, an oil storage cavity is formed in the annular sleeve block, an oil inlet is fixed on the side edge of the oil storage cavity, the outer end of the oil inlet is connected with a sealing cover through threads, and lubricating sponge is uniformly clamped in the annular sleeve block on the inner side of the oil storage cavity;
the clearance structure includes the dead lever, annular nest block top one side is fixed with the dead lever, and symmetrical rotation connects the dwang on the dead lever, the dwang inboard all is glued with the brush, the dwang other end all is fixed with the connecting block, two the inside gag lever post that has all run through of connecting block, two the cover is equipped with the removal nest block on the gag lever post between the connecting block, and removes between nest block rear end and the rear connecting block symmetry and be fixed with the spring, inside all seted up with gag lever post complex fixed slot of connecting block.
Furthermore, the annular sleeve block is internally provided with through holes matched with the lubricating sponge, and the diameter length of the lubricating sponge is greater than that of the through holes.
Furthermore, the lubricating sponges are arranged in a transverse T shape, and the diameter length of the inner ring of the annular sleeve block is larger than that of the adjusting screw rod.
Further, dwang and brush all set up to the semicircle with adjusting screw complex, the diameter of brush inner circle equals adjusting screw's diameter.
Furthermore, the limiting rod is arranged to be in an I shape which is transversely arranged, and the fixing groove in the connecting block in front is arranged to be in a rectangle matched with the limiting rod.
Furthermore, the width of the spring is larger than the width between the two connecting blocks, and a movable hole matched with the limiting rod is formed in the movable sleeve block.
The beneficial effect of this application is: the application provides an adjustable relief valve of roots's fan.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of an embodiment of the present application in elevation;
FIG. 2 is a schematic sectional top view of an embodiment of an annular nest block of the present application;
FIG. 3 is a schematic top sectional view of a rotating shaft according to an embodiment of the present application;
fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to an embodiment of the present disclosure.
In the figure: 1. valve body, 2, adjusting screw, 3, annular retainer block, 4, trapped fuel cavity, 5, oil inlet, 6, sealed lid, 7, lubricated sponge, 8, dead lever, 9, dwang, 10, brush, 11, connecting block, 12, gag lever post, 13, removal retainer block, 14, spring, 15, fixed slot.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-4, the adjustable safety valve of the roots blower comprises a valve body 1, an oiling structure and a cleaning structure, wherein an adjusting screw 2 is arranged at the top end of the valve body 1;
the oiling structure comprises an annular sleeve block 3, the annular sleeve block 3 is fixed on a valve body 1 at the bottom end of an adjusting screw rod 2 through a bolt, an oil storage cavity 4 is formed in the annular sleeve block 3, an oil inlet 5 is fixed on the side edge of the oil storage cavity 4, the outer end of the oil inlet 5 is connected with a sealing cover 6 through threads, and lubricating sponge 7 is uniformly clamped in the annular sleeve block 3 on the inner side of the oil storage cavity 4;
the clearance structure includes dead lever 8, 3 top one sides of annular nest block are fixed with dead lever 8, and the symmetry rotates on the dead lever 8 and connects dwang 9, dwang 9 inboard all is glued with brush 10, the dwang 9 other end all is fixed with connecting block 11, two connecting block 11 are inside all to run through gag lever post 12, the cover is equipped with on the gag lever post 12 between two connecting blocks 11 and removes nest block 13, and the symmetry is fixed with spring 14 between removal nest block 13 rear end and the rear connecting block 11, connecting block 11 is inside all seted up with gag lever post 12 complex fixed slot 15.
Through holes matched with the lubricating sponges 7 are formed in the annular sleeve blocks 3, the diameter length of each lubricating sponge 7 is larger than that of each through hole, the lubricating sponges 7 can absorb lubricating oil in the oil storage cavities 4 conveniently, and the lubricating sponges 7 can be guaranteed to be clamped in the through holes; the lubricating sponges 7 are arranged in a transverse T shape, the diameter length of the inner ring of the annular sleeve block 3 is larger than that of the adjusting screw rod 2, the lubricating sponges 7 are prevented from moving out of the oil storage cavity 4, and the annular sleeve block 3 is prevented from influencing the normal use of the adjusting screw rod 2; the rotating rod 9 and the brush 10 are both arranged in a semicircular shape matched with the adjusting screw rod 2, the diameter of the inner ring of the brush 10 is equal to that of the adjusting screw rod 2, and the brush 10 can clean the outer surface of the adjusting screw rod 2 conveniently; the limiting rod 12 is arranged in a transverse H shape, the fixing groove 15 in the front connecting block 11 is arranged in a rectangular shape matched with the limiting rod 12, so that the limiting rod 12 can conveniently limit the connecting block 11, and the brush 10 is closed; the width of spring 14 all is greater than the width between two connecting blocks 11, removes that set piece 13 is inside to be seted up with gag lever post 12 complex movable hole, guarantees that spring 14 can promote connecting block 11 butt on gag lever post 12, makes things convenient for gag lever post 12 to rotate in removing set piece 13 is inside.
When the lubricating oil supplying device is used, when lubricating oil needs to be added to the adjusting screw 2, the sealing cover 6 is screwed, after the oil inlet 5 is opened, the lubricating oil is added to the interior of the oil storage cavity 4 through the sealing cover 6, after the lubricating oil is added to the interior of the oil storage cavity 4, the sealing cover 6 is screwed, the oil inlet 5 is closed, the lubricating sponge 7 in the through hole absorbs the lubricating oil in the interior of the oil storage cavity 4, the lubricating oil in the interior of the oil storage cavity 4 can be smeared onto the adjusting screw 2 through the lubricating sponge 7, so that the adjusting screw 2 can be oiled, when the adjusting screw 2 moves up and down to adjust, sundries on the surface of the adjusting screw 2 are cleaned through the hairbrush 10, the adjusting screw 2 is prevented from carrying the sundries in the interior of the valve body 1, when the hairbrush 10 uses more adhered sundries for a long time, the connecting blocks 11 on two sides are pinched, so that the connecting blocks 11 compress the springs 14 through the movable sleeve block 13 to move mutually, rotate gag lever post 12 again, rotate gag lever post 12 to when aligning with fixed slot 15 in the place ahead, loosen connecting block 11, make connecting block 11 separate with gag lever post 12 under the promotion of removing nested piece 13, can rotate the dwang 9 of both sides and open, thereby conveniently clear up brush 10, the back is accomplished in the clearance, rotate dwang 9 again to laminating with adjusting screw 2, press connecting block 11, make gag lever post 12 run through connecting block 11 in the place ahead, rotate gag lever post 12 again, make behind gag lever post 12 and the fixed slot 15 dislocation in the place ahead, loosen connecting block 11, make connecting block 11 butt can in gag lever post 12 front and back end.
The application has the advantages that:
1. the lubricating device is simple in structure and convenient to operate, lubricating oil in the oil cavity 4 can be absorbed through the lubricating sponge 7, and then the lubricating oil is smeared on the adjusting screw rod 2, so that the adjusting screw rod 2 can be oiled, the jam of the adjusting screw rod 2 due to oil shortage is avoided, and the convenience in maintaining the valve body 1 is improved;
2. this application is rational in infrastructure, cleans debris on adjusting screw 2 through brush 10, avoids bringing debris into valve body 1 inside because of adjusting screw 2, and pivoted smoothness degree when guaranteeing adjusting screw 2 to use, and through connecting block 11 and gag lever post 12 cooperation, conveniently opens the clearance with brush 10, has solved the comparatively inconvenient problem of current adjusting screw 2 clearance.
Since the internal structure of the regulating valve belongs to the prior art, it is not described in this document.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The adjustable relief valve of roots's fan, its characterized in that: the oil applying valve comprises a valve body (1), an oil applying structure and a cleaning structure, wherein an adjusting screw rod (2) is arranged at the top end of the valve body (1);
the oiling structure comprises an annular sleeve block (3), the annular sleeve block (3) is fixed on a valve body (1) at the bottom end of the adjusting screw rod (2) through a bolt, an oil storage cavity (4) is formed in the annular sleeve block (3), an oil inlet (5) is fixed on the side edge of the oil storage cavity (4), the outer end of the oil inlet (5) is connected with a sealing cover (6) through threads, and lubricating sponges (7) are uniformly clamped in the annular sleeve block (3) on the inner side of the oil storage cavity (4);
the clearance structure includes dead lever (8), annular nest block (3) top one side is fixed with dead lever (8), and dead lever (8) go up the symmetry and rotate and connect dwang (9), dwang (9) inboard all is glued with brush (10), dwang (9) other end all is fixed with connecting block (11), two connecting block (11) inside all runs through gag lever post (12), two the cover is equipped with on gag lever post (12) between connecting block (11) and removes nest block (13), and the symmetry is fixed with spring (14) between removal nest block (13) rear end and rear connecting block (11), connecting block (11) inside all seted up with gag lever post (12) complex fixed slot (15).
2. The roots blower adjustable safety valve of claim 1, wherein: the annular sleeve block (3) is internally provided with through holes matched with the lubricating sponge (7), and the diameter length of the lubricating sponge (7) is larger than that of the through holes.
3. The roots blower adjustable safety valve of claim 1, wherein: the lubricating sponges (7) are all arranged in a T shape in a transverse mode, and the diameter length of the inner ring of the annular sleeve block (3) is larger than that of the adjusting screw rod (2).
4. The roots blower adjustable safety valve of claim 1, wherein: dwang (9) and brush (10) all set up to semicircular with adjusting screw (2) complex, the diameter of brush (10) inner circle equals adjusting screw (2)'s diameter.
5. The roots blower adjustable safety valve of claim 1, wherein: the limiting rod (12) is arranged in an I shape which is transversely arranged, and the fixing groove (15) in the connecting block (11) in the front is arranged in a rectangular shape matched with the limiting rod (12).
6. The roots blower adjustable safety valve of claim 1, wherein: the width of the spring (14) is larger than the width between the two connecting blocks (11), and a movable hole matched with the limiting rod (12) is formed in the movable sleeve block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022998975.1U CN213871304U (en) | 2020-12-14 | 2020-12-14 | Roots blower adjustable safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022998975.1U CN213871304U (en) | 2020-12-14 | 2020-12-14 | Roots blower adjustable safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213871304U true CN213871304U (en) | 2021-08-03 |
Family
ID=77067987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022998975.1U Expired - Fee Related CN213871304U (en) | 2020-12-14 | 2020-12-14 | Roots blower adjustable safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213871304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419193A (en) * | 2023-12-18 | 2024-01-19 | 四川省简阳市川力机械制造有限责任公司 | Safety valve |
-
2020
- 2020-12-14 CN CN202022998975.1U patent/CN213871304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419193A (en) * | 2023-12-18 | 2024-01-19 | 四川省简阳市川力机械制造有限责任公司 | Safety valve |
| CN117419193B (en) * | 2023-12-18 | 2024-03-08 | 四川省简阳市川力机械制造有限责任公司 | Safety valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |