CN208431160U - A kind of screw-rod air compressor - Google Patents
A kind of screw-rod air compressor Download PDFInfo
- Publication number
- CN208431160U CN208431160U CN201821031205.6U CN201821031205U CN208431160U CN 208431160 U CN208431160 U CN 208431160U CN 201821031205 U CN201821031205 U CN 201821031205U CN 208431160 U CN208431160 U CN 208431160U
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- screw
- bearing
- air compressor
- rod
- fixedly connected
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Abstract
The utility model relates to compressed air unit technical fields, and disclose a kind of screw-rod air compressor, including body, side at the top of the body is fixedly installed with air inlet funnel, and the inside of body is fixedly connected with baffle, the side movable sleeve of the baffle is connected to positive screw rod, the external fixing sleeve of the sun screw rod is connected to driving wheel, it is mutually ratcheting between the outer and driven wheel of the driving wheel, the driven wheel is fixedly attached to the outside of female screw, the external fixing sleeve of female screw is connected to sealing ring, the side of sealing ring is fixedly connected with the side of baffle, it is mutually ratcheting between the outer of female screw and positive screw rod.The screw-rod air compressor, pass through the cooperation of bearing inner race, support plate, motion bar and bearing outer ring, bi-directional arrangement can be carried out to roller, so that bearing is more flexible smooth in the course of rotation, the endurance of bearing is also increased simultaneously, the problem of bearing is damaged because of the effect of axial force is avoided, the service life of bearing is improved.
Description
Technical field
The utility model relates to compressed air unit technical field, specially a kind of screw-rod air compressor.
Background technique
Screw-rod air compressor is a kind of air compressor, is divided into twin-screw and two kinds of single screw rod, and helical-lobe compressor is a kind of
The positive displacement gas compression that swept volume makees rotary motion is mechanical, and the compression of gas is realized by the variation of volume, and volume
Variation again be to reach in casing as rotary motion by the yin-yang screw rod of compressor.
However, yin-yang screw rod can generate biggish axial force in the course of rotation, so that feelings of the bearing in long-term stress
Damaged under condition, to reduce the service life of bearing, while but also the screw-rod air compressor pressure at expulsion range compared with
It is small.
Utility model content
The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of screw-rod air compressor, and having can be in bearing
Portion's roller carries out bi-directional arrangement, increases the endurance of bearing, avoids the problem of bearing is damaged because of the effect of axial force, mention
The high service life of bearing, while the advantages that be capable of increasing the pressure at expulsion range of air compressor machine, improve the practicality, it solves
Existing screw-rod air compressor is because yin-yang screw rod can generate biggish axial force in the course of rotation, so that bearing is long-term
Damaged in the case where stress, to reduce the service life of bearing, while but also the screw-rod air compressor exhaust pressure
The lesser problem of power range.
Technical solution
Bi-directional arrangement can be carried out to Bearing inner roller for realization is above-mentioned, increase the endurance of bearing, avoid axis
The problem of damaging because of the effect of axial force is held, improves the service life of bearing, while being capable of increasing the exhaust pressure of air compressor machine
Power range improves the purpose of the practicality, and the utility model provides the following technical solutions: a kind of screw-rod air compressor, including
Body, the side at the top of the body is fixedly installed with air inlet funnel, and the inside of body is fixedly connected with baffle, the baffle
Side movable sleeve be connected to positive screw rod, the external fixing sleeve of the sun screw rod is connected to driving wheel, the outer of the driving wheel and from
Mutually ratcheting between driving wheel, the driven wheel is fixedly attached to the outside of female screw, and the external fixing sleeve of the female screw is connected to
Sealing ring, the side of the sealing ring are fixedly connected with the side of baffle, between the outer of the female screw and positive screw rod mutually
Ratcheting, the outside of described sun screw rod one end is fixedly attached with bearing inner race, and support is fixedly connected at the top of the bearing inner race
Plate, the side movable sleeve of the support plate are connected to motion bar, and the external fixing sleeve of the motion bar is connected to roller, in the bearing
Card slot is offered at the top of circle, the internal activity of the card slot is socketed with fixture block, the top of the fixture block and the bottom of bearing outer ring
Portion is fixedly connected, and the outside of the bearing outer ring is fixedly connected with connecting plate, and the top of the connecting plate and the inner wall of body are solid
Fixed connection, the bottom of the body are fixedly installed with outlet funnel, and the bottom of outlet funnel side is fixedly installed with activity
The side of lid, the removable cover is connect by fixing bolt with the bottom thread of the outlet funnel other side, and the one of the organism bottom
Side is fixedly connected with mounting seat, and the screw top of the mounting seat is socketed with bolt.
Preferably, the outside of body, and phase between positive screw rod and female screw are run through and extended in one end of the positive screw rod
It is mutually parallel.
Preferably, the diameter value of the driving wheel is greater than the diameter value of driven wheel, and the width value of driving wheel is greater than driven
The width value of wheel.
Preferably, the quantity of the sealing ring is four, and equal in magnitude, four sealing rings two of four sealing rings
Two be one group.
Preferably, the shape of the roller is cylinder, and roller is located at bearing inner race and bearing outer ring between the two, institute
It states and is parallel to each other between the side of roller and support plate.
Preferably, the top of the fixture block and the bottom of bearing outer ring are mutually perpendicular to, and fixture block is adapted with card slot, described
The shape of fixture block is circular ring shape.
Beneficial effect
Compared with prior art, the utility model provides a kind of screw-rod air compressor, have it is following the utility model has the advantages that
1, the screw-rod air compressor can be to rolling by the cooperation of bearing inner race, support plate, motion bar and bearing outer ring
Son carries out bi-directional arrangement and keeps away so that bearing is more flexible smooth in the course of rotation, while also increasing the endurance of bearing
Exempt from the problem of bearing is damaged because of the effect of axial force, improves the service life of bearing.
2, the screw-rod air compressor can be during bearing operation, in bearing by the cooperation of card slot and fixture block
The rotation direction of circle and bearing outer ring plays the role of positioning, avoids the asking for the deviating due to effect of axial force between the two
Topic improves the stability in positive screw rod and female screw rotation process, to increase the pressure at expulsion range of the air compressor machine.
Detailed description of the invention
Fig. 1 is the utility model structure front schematic view；
Fig. 2 is the cross-sectional view of the utility model airframe bearing outer ring；
Fig. 3 is the front schematic view of the utility model structure movement lid.
In figure: 1, body；2, air inlet funnel；3, baffle；4, positive screw rod；5, driving wheel；6, driven wheel；7, female screw；8,
Sealing ring；9, bearing inner race；10, support plate；11, motion bar；12, roller；13, card slot；14, fixture block；15, bearing outer ring；16,
Connecting plate；17, outlet funnel；18, removable cover；19, fixing bolt；20, mounting seat；21, bolt.
Specific embodiment
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of screw-rod air compressor, including body 1 are please referred to, the side at 1 top of body is fixedly installed with air inlet
Funnel 2, and the inside of body 1 is fixedly connected with baffle 3, the side movable sleeve of baffle 3 is connected to positive screw rod 4, one end of positive screw rod 4
Run through and extend to the outside of body 1, and be parallel to each other between positive screw rod 4 and female screw 7, the outside of positive screw rod 4 is fixedly attached
There is driving wheel 5, the diameter value of driving wheel 5 is greater than the diameter value of driven wheel 6, and the width value of driving wheel 5 is greater than the width of driven wheel 6
Angle value can make driven wheel 6 move under the drive of driving wheel 5 so that female screw 7 is rotated, and then with positive spiral shell
It is mutually ratcheting between bar 4, and air is compressed, mutually ratcheting between the outer and driven wheel 6 of driving wheel 5, driven wheel 6 is solid
Surely it is socketed in the outside of female screw 7, the external fixing sleeve of female screw 7 is connected to sealing ring 8, and the quantity of sealing ring 8 is four, and four
A sealing ring 8 it is equal in magnitude, four sealing rings 8 are one group two-by-two, can positive screw rod 4 in 7 rotation process of female screw, it is right
The interface of the two and baffle 3 plays the role of sealing, so that the gas compression chamber to the air compressor machine provides a sealing
Environment, the side of sealing ring 8 is fixedly connected with the side of baffle 3, mutually ratcheting between the outer of female screw 7 and positive screw rod 4,
The outside of positive 4 one end of screw rod is fixedly attached with bearing inner race 9, and the top of bearing inner race 9 is fixedly connected with support plate 10, support plate
10 side movable sleeve is connected to motion bar 11, and the external fixing sleeve of motion bar 11 is connected to roller 12, and the shape of roller 12 is cylinder
Shape, and roller 12 is located at bearing inner race 9 and bearing outer ring 15 between the two, it is mutually flat between the side and support plate 10 of roller 12
Row, by the bi-directional arrangement of roller 12, so that bearing is more flexible smooth in the course of rotation, while also increasing bearing
Endurance, avoids the problem of bearing is damaged because of the effect of axial force, improves the service life of bearing, bearing inner race 9
Top offers card slot 13, and the internal activity of card slot 13 is socketed with fixture block 14, the top of fixture block 14 and the bottom of bearing outer ring 15
Be mutually perpendicular to, and fixture block 14 is adapted with card slot 13, the shape of fixture block 14 is circular ring shape, can during bearing operation,
Play the role of positioning to the rotation direction of bearing inner race 9 and bearing outer ring 15, avoids the work between the two because of axial force
With and the problem of deviate, positive screw rod 4 and the stability in 7 rotation process of female screw are improved, to increase the air compressor machine
The top of pressure at expulsion range, fixture block 14 is fixedly connected with the bottom of bearing outer ring 15, and the outside of bearing outer ring 15 is fixedly connected
There is connecting plate 16, the top of connecting plate 16 is fixedly connected with the inner wall of body 1, and the bottom of body 1 is fixedly installed with outlet funnel
17, the bottom of 17 side of outlet funnel is fixedly installed with removable cover 18, and the side of removable cover 18 is leaked by fixing bolt 19 and outlet
Struggle against 17 other sides bottom thread connection, the side of 1 bottom of body is fixedly connected with mounting seat 20, the top of mounting seat 20
Screw thread is socketed with bolt 21.
When work, air inside that body 1 is entered from air inlet funnel 2 first is rotated further by positive screw rod 4, makes 5 turns of driving wheel
It is dynamic, while driven wheel 6 operates under the drive of driving wheel 5 so that female screw 7 is rotated, and be allowed to positive screw rod 4 it
Between it is mutually ratcheting, and then air is compressed, and bearing inner race 9 rotate under the drive of female screw 7, and pass through roller 12
The relative motion between bearing outer ring 15, while being mutually clamped between fixture block 14 and card slot 13, thus to bearing inner race 9 and bearing
The rotation direction of outer ring 15 plays the role of positioning, fixing bolt 19 is finally rotated, and open removable cover 18, so that compressed sky
Gas is discharged from outlet funnel 17.
In conclusion the screw-rod air compressor, passes through bearing inner race 9, support plate 10, motion bar 11 and bearing outer ring 15
Cooperation can carry out bi-directional arrangement to roller 12 and also increase simultaneously so that bearing is more flexible smooth in the course of rotation
The endurance of bearing avoids the problem of bearing is damaged because of the effect of axial force, improves the service life of bearing；Pass through card
The cooperation of slot 13 and fixture block 14 can play the rotation direction of bearing inner race 9 and bearing outer ring 15 during bearing operation
The effect for having arrived positioning, avoids the problem of deviating between the two because of the effect of axial force, improves positive screw rod 4 and female screw
Stability in 7 rotation processes solves existing screw-rod air compressor to increase the pressure at expulsion range of the air compressor machine
Because yin-yang screw rod can generate biggish axial force in the course of rotation, so that bearing damages in the case where long-term stress,
To reduce the service life of bearing, while but also the screw-rod air compressor the lesser problem of pressure at expulsion range.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of screw-rod air compressor, including body (1), it is characterised in that: the side at the top of the body (1) is fixedly installed with
Air inlet funnel (2), and the inside of body (1) is fixedly connected with baffle (3), the side movable sleeve of the baffle (3) is connected to positive spiral shell
The external fixing sleeve of bar (4), the sun screw rod (4) is connected to driving wheel (5), the outer of the driving wheel (5) and driven wheel (6) it
Between mutually it is ratcheting, the driven wheel (6) is fixedly attached to the outside of female screw (7), and the outside of the female screw (7) is fixedly attached
Have sealing ring (8), the side of the sealing ring (8) is fixedly connected with the side of baffle (3), the outer of the female screw (7) with
Mutually ratcheting between positive screw rod (4), the outside of described sun screw rod (4) one end is fixedly attached with bearing inner race (9), in the bearing
It is fixedly connected with support plate (10) at the top of circle (9), the side movable sleeve of the support plate (10) is connected to motion bar (11), described
The external fixing sleeve of motion bar (11) is connected to roller (12), offers card slot (13), the card at the top of the bearing inner race (9)
The internal activity of slot (13) is socketed with fixture block (14), the fixed company in the top of the fixture block (14) and the bottom of bearing outer ring (15)
It connects, the outside of the bearing outer ring (15) is fixedly connected with connecting plate (16), top and body (1) of the connecting plate (16)
Inner wall is fixedly connected, and the bottom of the body (1) is fixedly installed with outlet funnel (17), the bottom of outlet funnel (17) side
Portion is fixedly installed with removable cover (18), and the side of the removable cover (18) passes through fixing bolt (19) and outlet funnel (17) other side
Bottom thread connection, the side of body (1) bottom is fixedly connected with mounting seat (20), the mounting seat (20)
Screw top is socketed with bolt (21).
2. a kind of screw-rod air compressor according to claim 1, it is characterised in that: one end of the sun screw rod (4) is run through
And the outside of body (1) is extended to, and be parallel to each other between positive screw rod (4) and female screw (7).
3. a kind of screw-rod air compressor according to claim 1, it is characterised in that: the diameter value of the driving wheel (5) is big
Diameter value in driven wheel (6), and the width value of driving wheel (5) is greater than the width value of driven wheel (6).
4. a kind of screw-rod air compressor according to claim 1, it is characterised in that: the quantity of the sealing ring (8) is four
It is a, and four sealing rings (8) is equal in magnitude, four sealing rings (8) are one group two-by-two.
5. a kind of screw-rod air compressor according to claim 1, it is characterised in that: the shape of the roller (12) is cylinder
Shape, and roller (12) is located at bearing inner race (9) and bearing outer ring (15) between the two, the side of the roller (12) and support plate
(10) it is parallel to each other between.
6. a kind of screw-rod air compressor according to claim 1, it is characterised in that: the top of the fixture block (14) and bearing
The bottom of outer ring (15) is mutually perpendicular to, and fixture block (14) is adapted with card slot (13), and the shape of the fixture block (14) is circular ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031205.6U CN208431160U (en) | 2018-07-02 | 2018-07-02 | A kind of screw-rod air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031205.6U CN208431160U (en) | 2018-07-02 | 2018-07-02 | A kind of screw-rod air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431160U true CN208431160U (en) | 2019-01-25 |
Family
ID=65098702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821031205.6U Expired - Fee Related CN208431160U (en) | 2018-07-02 | 2018-07-02 | A kind of screw-rod air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773585A (en) * | 2022-11-16 | 2023-03-10 | 烟台颜泽阳电器有限公司 | Water-cooling frequency conversion screw type water chilling unit |
-
2018
- 2018-07-02 CN CN201821031205.6U patent/CN208431160U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773585A (en) * | 2022-11-16 | 2023-03-10 | 烟台颜泽阳电器有限公司 | Water-cooling frequency conversion screw type water chilling unit |
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Legal Events
| 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: 20190125 Termination date: 20210702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |