CN207701360U - A kind of screw-type vacuum pump - Google Patents
A kind of screw-type vacuum pump Download PDFInfo
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- CN207701360U CN207701360U CN201820032423.5U CN201820032423U CN207701360U CN 207701360 U CN207701360 U CN 207701360U CN 201820032423 U CN201820032423 U CN 201820032423U CN 207701360 U CN207701360 U CN 207701360U
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- shell
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- vacuum pump
- straight slot
- screw
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model is related to vacuum pump technology fields, especially a kind of screw-type vacuum pump, including shell, the both ends of shell are equipped with end cap, the top of shell is equipped with air inlet and exhaust outlet, and air inlet and exhaust outlet are located at the both ends of shell, shaft is equipped in shell, the lower section of shell is equipped with bottom plate, the top of bottom plate is equidistantly equipped with multiple supporting mechanisms, supporting mechanism is equipped with movable block, the bottom of shell is equipped with multiple mounting plates, the both ends of movable block are equipped with straight slot, sliding block is equipped in straight slot, the first spring is equipped between the side of sliding block and the inner wall of straight slot, one end of fixture block is through the side of straight slot and extends out equipped with limiting slot, the both sides of mounting plate are equipped with limited block corresponding with limiting slot, and limited block is located in limiting slot.This device reaches absorption and eliminates the damaging vibrations that air-flow turbulence is brought, it is ensured that operating is stablized, and ensures vacuum suction effect, extends pump housing service life.
Description
Technical field
The utility model is related to vacuum pump technology field more particularly to a kind of screw-type vacuum pumps.
Background technology
Vacuum pump is the basic part of vacuum equipment.With the development of the society, expanding economy, people's living standard is gradually
It submits, the performance requirement of requirement and vacuum pump to working environment is also higher and higher.Screw-type vacuum pump is the 1990s
A kind of more satisfactory dry pump occurred, it has larger application prospect and development potentiality, occupies very in vacuum pump market
Consequence.Dry screw vacuum pump makees synchronous high-speed reverse rotation using a pair of of screw rod in pump case and generates air-breathing and row
Gas acts on.But existing screw-type vacuum pump has the following problems, because of the unstability of pumping airflow turbulence, cause duration,
Irregular obstruction vibrations, can impact the stability of the entire pump housing after permanent, or even damage pump parts, thus I
Propose a kind of screw-type vacuum pump.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of screw vacuum proposed
Pump.
To achieve the goals above, the utility model uses following technical solution：
A kind of screw-type vacuum pump, including shell are designed, the both ends of the shell are equipped with end cap, are set above the shell
There are air inlet and exhaust outlet, and air inlet and exhaust outlet are located at the both ends of shell, shaft is equipped in the shell, and
Shaft is equipped with helical rotor, and one end of the shaft is flexibly connected with one of end cap, and the other end of the shaft runs through
Another end cap simultaneously extends out, and the lower section of the shell is equipped with bottom plate, and the top of the bottom plate is equidistantly equipped with multiple support machines
Structure, the supporting mechanism are equipped with movable block, and the bottom of the shell is equipped with multiple mounting plates, and the lower end of each mounting plate
It being located between movable block, the both ends of the movable block are equipped with straight slot, are equipped with sliding block in the straight slot, and the one of the sliding block
The first spring is equipped between side and the inner wall of straight slot, the other side of the sliding block is equipped with fixture block, and one end of the fixture block is through logical
The side of slot is simultaneously extended out equipped with limiting slot, and the both sides of the mounting plate are equipped with limited block corresponding with limiting slot, and
Limited block is located in limiting slot.
Preferably, the supporting mechanism includes the supporting rod being arranged above bottom plate, and the upper end of supporting rod is through work
The upper end of motion block is simultaneously extended out equipped with limiting plate, and the second bullet is arranged on supporting rod between the lower section and bottom plate of the movable block
The cross section of spring, the supporting rod is rectangle.
Preferably, the side of the sliding block is equipped with operating lever, and one end of operating lever is extended out out of straight slot.
Preferably, the cross section of the fixture block is rectangle.
Preferably, multiple mounting holes are equidistantly equipped on the bottom plate.
The utility model proposes a kind of screw-type vacuum pump, advantageous effect is：In the utility model, by shaft from
And helical rotor is driven to pretend to know, by helical rotor so that air enters from air inlet, finally so that air passes through exhaust
Mouth discharge, enters in air tank, by movable block to which straight slot be arranged, by straight slot to which sliding block be arranged, passes through the first bullet
Spring pushes sliding block to be moved, so that fixture block is moved, is contacted with mounting plate by fixture block so that the limit on fixture block
Block is located in limiting slot, and to fix mounting plate, while the first spring has the function of damping, this device, which reaches, to be absorbed and disappear
The damaging vibrations brought except air-flow turbulence, it is ensured that operating is stablized, and ensures vacuum suction effect, extends pump housing service life.
Description of the drawings
Fig. 1 be the utility model proposes a kind of screw-type vacuum pump structural schematic diagram；
Fig. 2 be the utility model proposes a kind of screw-type vacuum pump supporting mechanism structural schematic diagram.
In figure：End cap 1, air inlet 2, shell 3, helical rotor 4, exhaust outlet 5, mounting hole 6, bottom plate 7, mounting plate 8, activity
Block 9, limiting plate 10, straight slot 11, sliding block 12, the first spring 13, operating lever 14, supporting rod 15, second spring 16, fixture block 17, limit
Position block 18, limiting slot 19, shaft 20.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, the both ends of a kind of screw-type vacuum pump, including shell 3, shell 3 are equipped with end cap 1, the top of shell 3
Equipped with air inlet 2 and exhaust outlet 5, and air inlet 2 and exhaust outlet 5 are located at the both ends of shell 3, and shaft is equipped in shell 3
20, and shaft 20 is equipped with helical rotor 4, one end of shaft 20 is flexibly connected with one of end cap 1, shaft 20 it is another
End is through another end cap 1 and extends out, and the lower section of shell 3 is equipped with bottom plate 7, and multiple mounting holes 6 are equidistantly equipped on bottom plate 7,
By shell 3 to which end cap 1 be arranged, by shaft 20 to drive helical rotor 4 to pretend to know, made by helical rotor 4
Air from air inlet 2 enter, finally so that air be discharged by exhaust outlet 5, enter in air tank, by mounting hole 6 to
Bottom plate 7 is fixed.
The top of bottom plate 7 is equidistantly equipped with multiple supporting mechanisms, and supporting mechanism includes the supporting rod being arranged above bottom plate 7
15, and the upper end of supporting rod 15 through the upper end of movable block 9 and is extended out equipped with limiting plate 10, the lower section of movable block 9 with
Second spring 16 is arranged between bottom plate 7 on supporting rod 15, the cross section of supporting rod 15 is rectangle, by bottom plate 7 to be arranged
Supporting rod 15 passes through second spring through movable block 9 by supporting rod 15 so that movable block 9 slides on supporting rod 15
16 carry out damping when movable block 9 is moved up and down, and by limiting plate 10 to be limited to movable block 9, pass through supporting rod
15 cross section is rectangle, to prevent movable block 9 from being rotated on supporting rod 15.
Supporting mechanism is equipped with movable block 9, and the bottom of shell 3 is equipped with multiple mounting plates 8, and under each mounting plate 8
End is located between movable block 9, and the both ends of movable block 9 are equipped with straight slot 11, is equipped with sliding block 12 in straight slot 11, and the one of sliding block 12
The first spring 13 is equipped between side and the inner wall of straight slot 11, the other side of sliding block 12 is equipped with fixture block 17, and one end of fixture block 17 is run through
The side of straight slot 11 is simultaneously extended out equipped with limiting slot 19, and the both sides of mounting plate 8 are equipped with limited block corresponding with limiting slot 19
18, and limited block 18 is located in limiting slot 19, the side of sliding block 12 is equipped with operating lever 14, and one end of operating lever 14 is from logical
Extended out in slot 11, the cross section of fixture block 17 is rectangle, by movable block 9 to which straight slot 11 be arranged, by straight slot 11 to
Sliding block 12 is set, pushes sliding block 12 to be moved by the first spring 13, so that fixture block 17 is moved, passes through fixture block 17
It being contacted with mounting plate 8 so that the limited block 18 on fixture block 17 is located in limiting slot 19, to which mounting plate 8 be fixed, while first
Spring 13 has the function of damping, by operating lever 14 consequently facilitating being operated to sliding block 12.
In the utility model, by shaft 20 to drive helical rotor 4 to pretend to know, make to have leisure by helical rotor 4
Gas enters from air inlet 2, finally so that air is discharged by exhaust outlet 5, enters in air tank, by movable block 9 to set
Straight slot 11 is set, by straight slot 11 to which sliding block 12 be arranged, pushes sliding block 12 to be moved by the first spring 13, so that card
Block 17 is moved, and is contacted with mounting plate 8 by fixture block 17 so that and the limited block 18 on fixture block 17 is located in limiting slot 19, from
And fix mounting plate 8, while the first spring 13 has the function of damping, reaches absorption and eliminates the damage that air-flow rapids east is brought
Property vibrations, it is ensured that operating stablize, ensure vacuum suction effect, extend pump housing service life.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of screw-type vacuum pump, including shell (3), which is characterized in that the both ends of the shell (3) are equipped with end cap (1), institute
The top for stating shell (3) is equipped with air inlet (2) and exhaust outlet (5), and air inlet (2) and exhaust outlet (5) are located at shell
(3) both ends, the shell (3) is interior to be equipped with shaft (20), and shaft (20) is equipped with helical rotor (4), the shaft
(20) one end is flexibly connected with one of end cap (1), and the other end of the shaft (20) through another end cap (1) and prolongs
Stretching is gone, and the lower section of the shell (3) is equipped with bottom plate (7), and the top of the bottom plate (7) is equidistantly equipped with multiple supporting mechanisms, institute
It states supporting mechanism and is equipped with movable block (9), the bottom of the shell (3) is equipped with multiple mounting plates (8), and each mounting plate
(8) lower end is located between movable block (9), and the both ends of the movable block (9) are equipped with straight slot (11), the straight slot (11)
It is interior to be equipped with sliding block (12), the first spring (13), the cunning are equipped between the side and the inner wall of straight slot (11) of the sliding block (12)
The other side of block (12) is equipped with fixture block (17), and one end of the fixture block (17), which is run through the side of straight slot (11) and extended out, to be equipped with
The both sides of limiting slot (19), the mounting plate (8) are equipped with limited block (18) corresponding with limiting slot (19), and limited block
(18) it is located in limiting slot (19).
2. a kind of screw-type vacuum pump according to claim 1, which is characterized in that the supporting mechanism includes being arranged the bottom of at
Supporting rod (15) above plate (7), and the upper end of supporting rod (15) through the upper end of movable block (9) and is extended out equipped with limit
Position plate (10), second spring (16) is arranged between the lower section and bottom plate (7) of the movable block (9) on supporting rod (15), described
The cross section of supporting rod (15) is rectangle.
3. a kind of screw-type vacuum pump according to claim 1, which is characterized in that the side of the sliding block (12) is equipped with behaviour
Make bar (14), and one end of operating lever (14) is extended out out of straight slot (11).
4. a kind of screw-type vacuum pump according to claim 1, which is characterized in that the cross section of the fixture block (17) is square
Shape.
5. a kind of screw-type vacuum pump according to claim 1, which is characterized in that be equidistantly equipped on the bottom plate (7) more
A mounting hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032423.5U CN207701360U (en) | 2018-01-09 | 2018-01-09 | A kind of screw-type vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032423.5U CN207701360U (en) | 2018-01-09 | 2018-01-09 | A kind of screw-type vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701360U true CN207701360U (en) | 2018-08-07 |
Family
ID=63034654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820032423.5U Active CN207701360U (en) | 2018-01-09 | 2018-01-09 | A kind of screw-type vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723644A (en) * | 2018-12-24 | 2019-05-07 | 江阴爱尔姆真空设备有限公司 | A kind of New Structure of Cantilever screw vacuum pump |
| CN112591320A (en) * | 2020-11-26 | 2021-04-02 | 德清恒凌五金有限公司 | Processing equipment for rubber products |
-
2018
- 2018-01-09 CN CN201820032423.5U patent/CN207701360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723644A (en) * | 2018-12-24 | 2019-05-07 | 江阴爱尔姆真空设备有限公司 | A kind of New Structure of Cantilever screw vacuum pump |
| CN112591320A (en) * | 2020-11-26 | 2021-04-02 | 德清恒凌五金有限公司 | Processing equipment for rubber products |
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