CN214887709U - Star wheel shaft mounting structure of single-screw compressor - Google Patents
Star wheel shaft mounting structure of single-screw compressor Download PDFInfo
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- CN214887709U CN214887709U CN202120740571.4U CN202120740571U CN214887709U CN 214887709 U CN214887709 U CN 214887709U CN 202120740571 U CN202120740571 U CN 202120740571U CN 214887709 U CN214887709 U CN 214887709U
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- star wheel
- bracket
- screw compressor
- mounting structure
- single screw
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a single screw compressor star wheel axle mounting structure, include: the support, be equipped with the pivot on the support, be equipped with the suit on the support the outside star gear of pivot, the star gear with be connected with the transmission round pin between the support, be equipped with on the support and be used for preventing the transmission round pin breaks away from the star gear perhaps the anti-disengaging mechanism of support. Above single screw compressor star wheel axle mounting structure sets up the anti-disengaging mechanism who prevents the driving pin to break away from star wheel or bracket on the bracket, avoids the driving pin to take place unexpected separation phenomenon, prevents that the relative star wheel of bracket from droing, avoids bumping between bracket and the screw rod, ensures single screw compressor's normal work and life.
Description
Technical Field
The utility model relates to a single screw compressor star wheel axle mounting structure.
Background
The existing single-screw compressor mainly comprises a machine shell, a screw rod and star wheel assemblies arranged on two sides of the screw rod, wherein each star wheel assembly comprises a bracket, a star wheel arranged on the bracket and a transmission pin for connecting the star wheel with the bracket. After single screw compressor starts, under the drive of screw rod, the star gear keeps and the screw rod meshing, because the atmospheric pressure that is located one side of star gear is higher, the star gear has the trend that supports and leans on the screw rod, and the driving pin is in stable state this moment, and after single screw compressor shut down, receives compressed gas's effect, and there is antiport's possibility in the screw rod, and the driving pin breaks away from the phenomenon easily this moment, leads to bracket and screw rod contact, finally leads to the screw rod excircle to be heated the thermal expansion to die together with the casing card.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a single screw compressor star gear axle mounting structure that can prevent that the driving pin from breaking away from.
According to the utility model discloses single screw compressor star wheel axle mounting structure, include: the support, be equipped with the pivot on the support, be equipped with the suit on the support the outside star gear of pivot, the star gear with be connected with the transmission round pin between the support, be equipped with on the support and be used for preventing the transmission round pin breaks away from the star gear perhaps the anti-disengaging mechanism of support.
According to the utility model discloses single helical-lobe compressor star gear axle mounting structure has following beneficial effect at least:
above single screw compressor star wheel axle mounting structure sets up the anti-disengaging mechanism who prevents the driving pin to break away from star wheel or bracket on the bracket, avoids the driving pin to take place unexpected separation phenomenon, prevents that the relative star wheel of bracket from droing, avoids bumping between star wheel and the screw rod, ensures single screw compressor's normal work and life.
The utility model discloses an in some embodiments, the anti-disengaging mechanism including the activity suit in the epaxial piece that supports, support to be connected with and order about it to lean on the star gear on the surface and shelter from the drive pin is kept away from the elasticity of the one end of bracket is supported and is pressed the subassembly.
In some embodiments of the present invention, the elastic pressing component includes a pressing block fixedly disposed on the rotating shaft and an elastic member sandwiched between the pressing block and the pressing member.
In some embodiments of the present invention, the pressing block is screwed on the side wall of the rotating shaft, and the elastic member is supported at both ends by the pressing block and the wave spring on the supporting member respectively, and the supporting member is provided with a positioning ring for positioning and installing the wave spring.
In some embodiments of the invention, the anti-disengagement mechanism comprises a threaded fastener threadedly connected between the bracket and the drive pin.
The utility model discloses an in some embodiments, be equipped with first perforation on the bracket, be equipped with on the star gear with the relative second perforation of first perforation, the driving pin wears to establish first perforation with in the second perforation, be equipped with in the driving pin with threaded fastener matched with internal thread hole, the lower extreme of first perforation is equipped with the flaring groove, threaded fastener is last to be equipped with to lean on the gasket of the bottom in flaring groove.
In some embodiments of the present invention, the flange is formed on the rotating shaft, and the flange is detachably connected to the bracket through a bolt assembly.
In some embodiments of the present invention, the flange abuts against the head of the threaded fastener.
In some embodiments of the present invention, the bracket is provided with a first through hole, the star wheel is provided with a second through hole opposite to the first through hole, the driving pin penetrates through the first through hole and the second through hole, a rubber ring is arranged outside the driving pin, and a metal sleeve located between the second through hole and the driving pin is arranged outside the rubber ring.
The utility model discloses an in some embodiments, the upper portion of driving pin be equipped with rubber circle matched with annular groove, the fenestrate lower extreme of second is equipped with the reaming constant head tank, be equipped with on the metal covering with reaming constant head tank assorted flange portion.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of an embodiment of a star wheel shaft mounting structure of a single screw compressor according to the present invention;
FIG. 2 is an enlarged partial view of section A of the embodiment of FIG. 1;
fig. 3 is a schematic structural view of another embodiment of the star wheel shaft mounting structure of the single screw compressor of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the utility model discloses a single screw compressor star wheel axle mounting structure, include: the carrier 100, be equipped with pivot 200 on the carrier 100, be equipped with the suit on the carrier 100 the outside star gear 300 of pivot 200, star gear 300 with be connected with transmission pin 400 between the carrier 100, be equipped with on the carrier 100 and be used for preventing transmission pin 400 breaks away from star gear 300 or the anti-disengaging mechanism 500 of carrier 100.
Above single screw compressor star wheel axle mounting structure sets up the anti-disengaging mechanism 500 that prevents driving pin 400 to break away from star wheel 300 or bracket 100 on bracket 100, avoids driving pin 400 to take place unexpected the phenomenon of breaking away from, prevents that bracket 100 from dropping relative star wheel 300, avoids bumping between bracket 100 and the screw rod, ensures single screw compressor's normal work and life.
In some embodiments of the present invention, the anti-slip mechanism 500 includes a supporting member 510 movably mounted on the rotating shaft 200, the supporting member 510 is connected to a resilient supporting member 520 for urging the supporting member to abut on the surface of the star wheel 300 and shielding the driving pin 400 away from one end of the bracket 100. Referring to fig. 2, in the present embodiment, the abutting member 510 abuts downward against the upper surface of the star wheel 300 under the action of the elastic abutting member 520, and a part of the abutting member 510 is located above the driving pin 400, and when the driving pin 400 has a tendency to disengage upward, the abutting member 510 can block the driving pin 400 to prevent the driving pin 400 from disengaging from the star wheel 300 and the carrier 100.
Referring to fig. 1 and 2, in some embodiments of the present invention, the elastic pressing component 520 includes a pressing block 521 fixedly disposed on the rotating shaft 200 and an elastic member 522 sandwiched between the pressing block 521 and the pressing member 510. The pressing block 521 presses the elastic member 522 against the abutting member 510, so as to avoid the situation that the abutting member 510 cannot be tightly attached to the surface of the star wheel 300 during the installation process.
Referring to fig. 2, in some embodiments of the present invention, the pressing block 521 is screwed on the side wall of the rotating shaft 200, and the elastic member 522 is a wave spring whose two ends respectively abut against the pressing block 521 and the abutting member 510, and the abutting member 510 is provided with a positioning ring 511 for positioning and installing the wave spring. The wave spring can provide stable pre-pressure to the abutting part 510, the press block 521 is screwed on the side wall of the rotating shaft 200 to facilitate the replacement of different wave springs according to different use conditions, and the positioning ring 511 can prevent the wave spring from moving to affect the working stability of the elastic abutting component 520.
Referring to fig. 2, in some embodiments of the present invention, the anti-separation mechanism 500 includes a threaded fastener 530 threaded between the bracket 100 and the driving pin 400. In this embodiment, the anti-slip mechanism 500 includes both the abutting member 510 and the threaded fastener 530, the threaded fastener 530 generates a pulling force on the driving pin 400 to prevent the driving pin 400 from being disengaged upwards, and the abutting member 510 is used to block the driving pin 400 from being disengaged upwards.
Referring to fig. 2, in some embodiments of the present invention, a first through hole is formed in the bracket 100, a second through hole 310 opposite to the first through hole is formed in the star wheel 300, the driving pin 400 is inserted into the first through hole and the second through hole 310, an internal threaded hole 410 matched with the threaded fastener 530 is formed in the driving pin 400, a flared groove 111 is formed at a lower end of the first through hole, and a gasket 540 abutting against a bottom of the flared groove 111 is formed on the threaded fastener 530. In this embodiment, the shaft of the threaded fastener 530 is connected to the internally threaded hole 410 after passing upward through the spacer 540, and the spacer 540 is interposed between the flared groove 111 and the threaded fastener 530.
Referring to fig. 3, in some embodiments of the present invention, a flange 210 is formed on the rotating shaft 200, and the flange 210 is detachably connected to the bracket 100 through a bolt assembly 800. Which helps to reduce the difficulty of production and control the machining accuracy of the spindle 200 and the bracket 100. Of course, in other embodiments, the shaft 200 may be integrally molded with the bracket 100.
In some embodiments of the present invention, the flange 210 abuts against the head of the threaded fastener 530, and the flange 210 can prevent the threaded fastener 530 from loosening.
Referring to fig. 2, in some embodiments of the present invention, a first through hole is formed in the carrier 100, a second through hole 310 opposite to the first through hole is formed in the star wheel 300, the driving pin 400 is inserted into the first through hole and the second through hole 310, a rubber ring 600 is disposed outside the driving pin 400, and a metal sleeve 700 is disposed outside the rubber ring 600 and between the second through hole 310 and the driving pin 400. The existence of the rubber ring 600 can allow the star wheel 300 to slightly deviate radially relative to the bracket 100, the machining error or the assembly error of the star wheel 300 and the screw is compensated, the star wheel 300 and the screw can be meshed in place, the abrasion of the rubber ring 600 is reduced by the existence of the metal sleeve 700, the service life of the rubber ring 600 is prolonged, and the matching precision of the transmission pin 400 and the second through hole 310 can be improved.
Referring to fig. 2, in some embodiments of the present invention, in order to prevent the rubber ring 600 from being displaced beyond the deformation direction, the upper portion of the driving pin 400 is provided with an annular groove matched with the rubber ring 600, in order to prevent the metal sleeve 700 from moving along the axial direction of the driving pin 400 and increase the abrasion to the rubber ring 600, the lower end of the second through hole 310 is provided with a positioning hole-expanding groove 311, and the metal sleeve 700 is provided with a flange portion 710 matched with the positioning hole-expanding groove 311.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. Single screw compressor star wheel axle mounting structure, its characterized in that includes:
the anti-disengaging device comprises a bracket (100), wherein a rotating shaft (200) is arranged on the bracket (100), a sleeve is arranged on the bracket (100) and is used for a star wheel (300) outside the rotating shaft (200), the star wheel (300) is connected with a transmission pin (400) between the brackets (100), and the bracket (100) is provided with an anti-disengaging mechanism (500) for preventing the transmission pin (400) from disengaging from the star wheel (300) or the bracket (100).
2. The single screw compressor star wheel shaft mounting structure as claimed in claim 1, wherein:
the anti-falling mechanism (500) comprises a propping piece (510) movably sleeved on the rotating shaft (200), and the propping piece (510) is connected with an elastic propping assembly (520) which drives the propping piece to prop against the surface of the star wheel (300) and shields one end, far away from the bracket (100), of the transmission pin (400).
3. The single screw compressor star wheel shaft mounting structure as claimed in claim 2, wherein:
the elastic pressing component (520) comprises a pressing block (521) fixedly arranged on the rotating shaft (200) and an elastic piece (522) clamped between the pressing block (521) and the pressing piece (510).
4. The single screw compressor star wheel shaft mounting structure as claimed in claim 3, wherein:
the pressing block (521) is in threaded connection with the side wall of the rotating shaft (200), the elastic piece (522) is a wave spring with two ends respectively abutted against the pressing block (521) and the abutting piece (510), and the abutting piece (510) is provided with a positioning ring (511) for positioning and installing the wave spring.
5. The single screw compressor star wheel shaft mounting structure according to claim 1 or 2, wherein:
the anti-run-off mechanism (500) includes a threaded fastener (530) that is threaded between the bracket (100) and the drive pin (400).
6. The single screw compressor star wheel shaft mounting structure as claimed in claim 5, wherein:
be equipped with first perforation on bracket (100), be equipped with on star gear (300) with first perforation relative second is perforated (310), driving pin (400) wear to establish first perforation with in second perforation (310), be equipped with in driving pin (400) with threaded fastener (530) matched with internal thread hole (410), first fenestrate lower extreme is equipped with flaring groove (111), be equipped with on threaded fastener (530) and lean on gasket (540) of the bottom of flaring groove (111).
7. The single screw compressor star wheel shaft mounting structure as claimed in claim 5, wherein:
the rotary shaft (200) is formed with a flange plate (210), and the flange plate (210) is detachably connected with the bracket (100) through a bolt component (800).
8. The single screw compressor star wheel shaft mounting structure as claimed in claim 7, wherein:
the flange plate (210) abuts against the head of the threaded fastener (530).
9. The single screw compressor star wheel shaft mounting structure as claimed in claim 1, wherein:
be equipped with first perforation on bracket (100), be equipped with on star gear (300) with first perforation relative second perforation (310), drive pin (400) wear to establish first perforation with in second perforation (310), the outside of drive pin (400) is equipped with a rubber circle (600), the outside of rubber circle (600) is equipped with and is located second perforation (310) with metal covering (700) between drive pin (400).
10. The single screw compressor star wheel shaft mounting structure as claimed in claim 9, wherein:
the upper portion of driving pin (400) be equipped with rubber circle (600) matched with annular groove, the lower extreme of second perforation (310) is equipped with reaming constant head tank (311), be equipped with on metal covering (700) with reaming constant head tank (311) assorted flange portion (710).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120740571.4U CN214887709U (en) | 2021-04-12 | 2021-04-12 | Star wheel shaft mounting structure of single-screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120740571.4U CN214887709U (en) | 2021-04-12 | 2021-04-12 | Star wheel shaft mounting structure of single-screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887709U true CN214887709U (en) | 2021-11-26 |
Family
ID=78949696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120740571.4U Active CN214887709U (en) | 2021-04-12 | 2021-04-12 | Star wheel shaft mounting structure of single-screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887709U (en) |
-
2021
- 2021-04-12 CN CN202120740571.4U patent/CN214887709U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Installation structure of star wheel shaft for single screw compressor Granted publication date: 20211126 Pledgee: Zhongshan branch of Dongguan Bank Co.,Ltd. Pledgor: GUANGDONG ALINK ENERGY EQUIPMENT CO.,LTD. Registration number: Y2024980009844 |