CN205349742U - Novel single screw compressor of prevention of seepage water - Google Patents
Novel single screw compressor of prevention of seepage water Download PDFInfo
- Publication number
- CN205349742U CN205349742U CN201521133965.4U CN201521133965U CN205349742U CN 205349742 U CN205349742 U CN 205349742U CN 201521133965 U CN201521133965 U CN 201521133965U CN 205349742 U CN205349742 U CN 205349742U
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- CN
- China
- Prior art keywords
- end cap
- inner end
- mechanically
- sealing apparatus
- bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel single screw compressor of prevention of seepage water, it can avoid the rainwater entering to be used for installing in the storage cavity of free end bearing. This novel single screw compressor of prevention of seepage water, open space no. 1 has between the one and the 1st mechanical seal device of inner end cap, end cover no. 2 outside being equipped with on one side of fixed -End bearing seat, be equipped with inner end cap no. 2 on the opposite side of fixed -End bearing seat, be equipped with on inner end cap no. 2 and supply the screw shaft to pass through -hole no. 2, open space no. 2 has between the two and the 2nd mechanical seal device of inner end cap, fix and mesh mutually at the epaxial screw rod of screw rod and two star gears that become the symmetry setting, the front portion that is located the helicla flute of screw rod in the casing is equipped with cavity no. 1, still be equipped with the oil drain port on the casing, the oil drain port is linked together with cavity no. 1, detachably is equipped with the oil drain port end cap on the oil drain port, the rigidity that lies in on the screw shaft between the one and the 1st mechanical seal device of inner end cap has mounting no. 1.
Description
Technical field
This utility model belongs to the technical field of single screw compressor, concretely relates to the single screw compressor of a kind of novel water-impervious.
Background technology
Single screw compressor includes casing, screw rod, screw shaft, free end bearing, free end shaft bearing, fixing end bearing and fixing end bearing block, the two ends of screw shaft are supported on the inner ring of free end bearing, fixing end bearing respectively, free end bearing is arranged in free end shaft bearing, fixing end bearing is arranged on fixing end bearing block, and free end shaft bearing, fixing end bearing block are installed in casing.The side of free end shaft bearing is provided with outer end cap, is provided with inner end cap on its other side, inner end cap is additionally provided with the through hole of screw shaft traverse.By outer end cap and inner end cap, free end bearing is encapsulated in the receiving compartment of free end shaft bearing.For avoiding grease in receiving compartment from the gap leakage between through hole and screw shaft out, the hole wall being typically employed in through hole is provided with screw thread, and the rotation direction of screw thread is contrary with the rotation direction of screw rod.But, adopt this structure, it is easy to make the rainwater in the external world enter in receiving compartment.
Summary of the invention
The purpose of this utility model is to provide the single screw compressor of a kind of novel water-impervious, and it is avoided that rainwater enters in the receiving compartment for installing free end bearing.
For solving above-mentioned technical problem, the purpose of this utility model is achieved in that
A kind of single screw compressor of novel water-impervious, including casing, casing is provided with the first mechanically-sealing apparatus and the second mechanically-sealing apparatus, screw shaft forms sealing by the first mechanically-sealing apparatus and the second mechanically-sealing apparatus with casing and coordinates, and the free end of screw shaft is exposed at the outside of the first mechanically-sealing apparatus and is connected with the inner ring of free end bearing, the power end of screw shaft is exposed at the outside of the second mechanically-sealing apparatus and is connected with the inner ring of fixing end bearing, fixing end bearing and free end bearing are respectively arranged in fixing end bearing block and free end shaft bearing, fixing end bearing block and free end shaft bearing are respectively arranged on the two ends of casing, the side of free end shaft bearing is provided with outer end cap one, the opposite side of free end shaft bearing is provided with inner end cap one, inner end cap one is provided with mean for the through hole one of screw shaft traverse, there is unlimited space one between inner end cap one and the first mechanically-sealing apparatus, the side of fixing end bearing block is provided with outer end cap two, the opposite side of fixing end bearing block is provided with inner end cap two, inner end cap two is provided with mean for screw shaft traverse through hole two, there is unlimited space two between inner end cap two and the second mechanically-sealing apparatus, being fixed on the screw rod on screw shaft also becomes symmetrically arranged star-wheel to be meshed with two, the spiral fluted front portion being positioned at screw rod in casing is provided with chamber one, casing is additionally provided with oil drain out, oil drain out is connected with chamber one, oil drain out is removably provided with oil drain out plug, on screw shaft, the position between inner end cap one and the first mechanically-sealing apparatus is fixed with water proof ring one.
On the basis of such scheme and as the preferred version of such scheme: water proof ring one is pressed close to inner end cap one phase.
On the basis of such scheme and as the preferred version of such scheme: on screw rod, the position between inner end cap two and the second mechanically-sealing apparatus is fixed with water proof ring two.
On the basis of such scheme and as the preferred version of such scheme: water proof ring two and inner end cap two-phase are pressed close to.
On the basis of such scheme and as the preferred version of such scheme: being provided with greasing mouth on outer end cap one, greasing mouth is provided with dismountable plug one.
On the basis of such scheme and as the preferred version of such scheme: the row's of setting fat mouth in inner end cap one, row's fat mouth is provided with dismountable plug two.
This utility model highlights and useful having the technical effect that compared to existing technology
The single screw compressor of novel water-impervious of the present utility model, have employed the structure of water proof ring one, when rainy day, after rainwater is dropped on water proof ring one, the centrifugal force that water proof ring one is formed is utilized to be thrown out by rainwater, it is to avoid rainwater is in screw shaft freedom of entry end bearing block.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is sectional structure schematic diagram of the present utility model.
Detailed description of the invention
This utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1 Fig. 2；
This gives the single screw compressor of a kind of novel water-impervious, including casing 1, casing 1 is provided with the first mechanically-sealing apparatus 2 and the second mechanically-sealing apparatus 3, screw shaft forms sealing by the first mechanically-sealing apparatus and the second mechanically-sealing apparatus with casing 1 and coordinates, and the free end 41 of screw shaft is exposed at the outside of the first mechanically-sealing apparatus 2 and is connected with the inner ring 51 of free end bearing 5, the power end 42 of screw shaft is exposed at the outside of the second mechanically-sealing apparatus 3 and is connected with the inner ring 61 of fixing end bearing 6, fixing end bearing 6 and free end bearing 5 are respectively arranged in fixing end bearing block 7 and free end shaft bearing 8, as shown in FIG., free end shaft bearing 8 is provided with receiving compartment one, free end bearing is fixed in this receiving compartment one.Fixing end bearing block 7 is provided with receiving compartment two, and fixing end bearing is fixed in this receiving compartment two.Fixing end bearing block and free end shaft bearing are respectively arranged on the two ends of casing 1, and the screw rod 4 being fixed on screw shaft becomes symmetrically arranged star-wheel 9 to be meshed with two, and star-wheel is located on spider gear shaft 10.The front portion of the helicla flute 43 being positioned at screw rod 4 in casing 1 is provided with chamber 1, is additionally provided with oil drain out 26 in casing 1, and oil drain out is connected with chamber one, is removably provided with oil drain out plug on oil drain out.Generally, oil drain out plug.By arranging oil drain out and the structure of oil drain out plug, before start, can will disassemble oil drain out plug, the lubricating oil accumulated in chamber is discharged, again oil drain out plug is screwed up on oil drain out again after end, it is possible to be effectively prevented screw shaft and star-wheel occurs the phenomenon of liquid hammer in the course of the work.
The side of free end shaft bearing 8 is provided with outer end cap 1, the opposite side of free end shaft bearing is provided with inner end cap 1, inner end cap one is provided with mean for the through hole one of screw shaft traverse, having unlimited space 1 between inner end cap 1 and the first mechanically-sealing apparatus 2, on screw shaft, the position between inner end cap 1 and the first mechanically-sealing apparatus 2 is fixed with water proof ring 1.Preferably, water proof ring one is pressed close to inner end cap one phase.The side of fixing end bearing block 7 is provided with outer end cap 2 15, the opposite side of fixing end bearing block is provided with inner end cap 2 16, inner end cap two is provided with mean for screw shaft traverse through hole two, having unlimited space 2 17 between inner end cap 2 16 and the second mechanically-sealing apparatus 3, on screw shaft, the position between inner end cap two and the second mechanically-sealing apparatus is fixed with water proof ring 2 18.Preferably, water proof ring two and inner end cap two-phase are pressed close to.
The single screw compressor of this novel water-impervious, have employed the structure of water proof ring one, when rainy day, after rainwater is dropped on water proof ring one, the centrifugal force formed on water proof ring one is utilized to be thrown away by rainwater, it is to avoid rainwater is in screw shaft freedom of entry end bearing block.In like manner, the structure of water proof ring two is adopted, it is to avoid rainwater enters in fixing end bearing block.
The top of spider gear shaft 10 is arranged on bearing block 20 by bearing 19.Bearing block 20 is located in casing 1.As shown in FIG., being provided with receiving compartment three on bearing block, bearing is arranged in this receiving compartment three.The top of bearing block 20 is provided with upper end cover 21, and upper end cover is covered in the top of receiving compartment.The bottom of bearing block is provided with bottom end cover 22, as shown in FIG., is provided with a through hole for spider gear shaft traverse, is encapsulated in receiving compartment three by bearing by bottom end cover on bottom end cover.Spacing between inner ring and the bottom end cover 22 of bearing 19 is 0.1mm.Owing to forming small-gap suture between the inner ring and bottom end cover of bearing so that be positioned at its grease therebetween, after spider gear shaft rotates, got rid of back chamber under the influence of centrifugal force, reach sealing effectiveness.
In the present embodiment, being provided with greasing mouth 23 on outer end cap 1, greasing mouth is connected with receiving compartment one, and greasing mouth 23 is provided with dismountable plug one.Grease can be added to bearing by arranging greasing mouth.The row's of setting fat mouth 24 in inner end cap 1, row's fat mouth is connected with receiving compartment one, and row's fat mouth is provided with dismountable plug two.Grease can be discharged by the row's of setting fat mouth, to complete grease replacement.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (6)
1. the single screw compressor of a water-impervious, including casing, casing is provided with the first mechanically-sealing apparatus and the second mechanically-sealing apparatus, screw shaft forms sealing by the first mechanically-sealing apparatus and the second mechanically-sealing apparatus with casing and coordinates, and the free end of screw shaft is exposed at the outside of the first mechanically-sealing apparatus and is connected with the inner ring of free end bearing, the power end of screw shaft is exposed at the outside of the second mechanically-sealing apparatus and is connected with the inner ring of fixing end bearing, fixing end bearing and free end bearing are respectively arranged in fixing end bearing block and free end shaft bearing, fixing end bearing block and free end shaft bearing are respectively arranged on the two ends of casing, the side of free end shaft bearing is provided with outer end cap one, the opposite side of free end shaft bearing is provided with inner end cap one, inner end cap one is provided with mean for the through hole one of screw shaft traverse, there is unlimited space one between inner end cap one and the first mechanically-sealing apparatus, the side of fixing end bearing block is provided with outer end cap two, the opposite side of fixing end bearing block is provided with inner end cap two, inner end cap two is provided with mean for screw shaft traverse through hole two, there is unlimited space two between inner end cap two and the second mechanically-sealing apparatus, being fixed on the screw rod on screw shaft also becomes symmetrically arranged star-wheel to be meshed with two, the spiral fluted front portion being positioned at screw rod in casing is provided with chamber one, casing is additionally provided with oil drain out, oil drain out is connected with chamber one, oil drain out is removably provided with oil drain out plug, it is characterized in that: on screw shaft, the position between inner end cap one and the first mechanically-sealing apparatus is fixed with water proof ring one.
2. the single screw compressor of water-impervious according to claim 1, it is characterised in that: water proof ring one is pressed close to inner end cap one phase.
3. the single screw compressor of water-impervious according to claim 1, it is characterised in that: on screw rod, the position between inner end cap two and the second mechanically-sealing apparatus is fixed with water proof ring two.
4. the single screw compressor of water-impervious according to claim 3, it is characterised in that: water proof ring two and inner end cap two-phase are pressed close to.
5. the single screw compressor of water-impervious according to claim 1, it is characterised in that: being provided with greasing mouth on outer end cap one, greasing mouth is provided with dismountable plug one.
6. the single screw compressor of water-impervious according to claim 1, it is characterised in that: the row's of setting fat mouth in inner end cap one, row's fat mouth is provided with dismountable plug two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133965.4U CN205349742U (en) | 2015-12-30 | 2015-12-30 | Novel single screw compressor of prevention of seepage water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133965.4U CN205349742U (en) | 2015-12-30 | 2015-12-30 | Novel single screw compressor of prevention of seepage water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349742U true CN205349742U (en) | 2016-06-29 |
Family
ID=56173441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521133965.4U Expired - Fee Related CN205349742U (en) | 2015-12-30 | 2015-12-30 | Novel single screw compressor of prevention of seepage water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205349742U (en) |
-
2015
- 2015-12-30 CN CN201521133965.4U patent/CN205349742U/en not_active Expired - Fee Related
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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: 20160629 Termination date: 20171230 |