CN211500964U - Radial anti-rotation mechanism for scroll compressor - Google Patents
Radial anti-rotation mechanism for scroll compressor Download PDFInfo
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- CN211500964U CN211500964U CN201921493425.5U CN201921493425U CN211500964U CN 211500964 U CN211500964 U CN 211500964U CN 201921493425 U CN201921493425 U CN 201921493425U CN 211500964 U CN211500964 U CN 211500964U
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Abstract
The utility model relates to a radially prevent rotation mechanism for scroll compressor, include: a main bearing housing; a compression mechanism supported by the main bearing housing, the compression mechanism including a non-orbiting scroll and an orbiting scroll mutually coupled to each other via an oldham ring, the non-orbiting and orbiting scrolls forming a series of compression chambers therebetween for compressing a fluid; the guide ring is in clearance fit with the static vortex and is connected with a hole on the main bearing seat through a fastening bolt so as to limit the radial displacement of the static vortex; be equipped with between guide ring and the quiet vortex and be used for restricting the unilateral subassembly of injecing of quiet vortex pivoted multisection, the utility model discloses a radial rotation mechanism of preventing for scroll compressor is that the multisection is unilateral to carry on spacingly to quiet turbine adoption, and is not high to the machining precision requirement of convex part and locating part, only need can carry on the convex part through the locating part spacing can, the processing technology of locating part and convex part is simple simultaneously, and it is convenient to install, and processing technology is convenient, has stronger practicality, accords with the production and processing demand of enterprise.
Description
Technical Field
The utility model belongs to the technical field of scroll compressor is relevant, especially, relate to a radial rotation mechanism of preventing for scroll compressor.
Background
The scroll compressor is a compressor with compressible volume, which is composed of a fixed involute scroll and an involute moving scroll which is in eccentric rotary translation, and is formed by mutually meshing a movable scroll and a fixed scroll with two double-function equation molded lines.
Patent CN202971198U discloses a radial anti-rotation mechanism of a scroll compressor, which is composed of a static scroll, a guide ring, a main bearing seat, a bolt, a cross slip ring, a movable scroll, an air suction pipe, a shell, a partition plate, an air discharge pipe and a top cover, the clearance fit between the concave part on the guide ring and the convex part on the static vortex is mainly used for limiting the static vortex to rotate along with the movable vortex, the proposal can solve the problem of the rotation of the static vortex of the vortex compressor, but because the fixed vortex is limited by the structure of the convex part and the concave part, the matching belongs to the unilateral and bilateral limitation, the use requirement can be met only by accurately clamping the convex part in the concave part without moving, the requirement on the processing precision of the concave part and the convex part is very high, the convex part and the concave part are complex in production process and high in processing difficulty, so that the practicability is poor, and the production and processing requirements of enterprises cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose provides a simple structure in order to overcome prior art's not enough, and the practicality is strong, easy dismounting reaches the radial rotation mechanism that prevents that the quiet turbine pivoted is used for scroll compressor of restriction through the unilateral injecing of quiet vortex multiaspect.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a radial anti-rotation mechanism for a scroll compressor, comprising:
a main bearing housing; a compression mechanism supported by the main bearing housing, the compression mechanism including a non-orbiting scroll and an orbiting scroll mutually coupled to each other via an oldham ring, the non-orbiting and orbiting scrolls forming a series of compression chambers therebetween for compressing a fluid;
the guide ring is in clearance fit with the static vortex and is connected with a hole on the main bearing seat through a fastening bolt so as to limit the radial displacement of the static vortex;
and a multi-side single-side limiting assembly used for limiting the rotation of the fixed vortex is arranged between the guide ring and the fixed vortex.
Further, the multi-side single-edge limiting assembly comprises at least two protrusions arranged on the static turbine and at least two limiting pieces arranged on the guide ring, and the at least two limiting pieces limit the rotation of the static turbine by limiting the movement of the at least two protrusions in opposite directions in a single edge mode.
Further, the limiting piece is a boss.
Furthermore, the limiting piece is composed of a bolt and a limiting pin, and the limiting piece is arranged in the through hole of the guide ring.
Furthermore, an internal thread is formed in the limit pin, and an external thread matched with the internal thread of the limit pin is formed on the bolt; the bolt enters from the top of the through hole and is in threaded connection with the limiting pin at the bottom of the guide ring.
Furthermore, an external thread is formed in the through hole, and an external thread matched with the internal thread is formed on the bolt; the limiting pin is arranged at the bottom of the guide ring; and one end of the bolt with the internal thread sequentially penetrates through the limiting pin and the through hole and is connected with the internal thread inside the through hole.
Furthermore, the limiting piece is a limiting pin, and a through hole is formed in the guide ring; the limiting pin enters the through hole from the bottom of the guide ring and is in threaded connection with the inner wall of the through hole.
Furthermore, the convex part is arranged on the axial circumferential surface of the static turbine and is a crossed slip ring key groove enveloping part.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model discloses a radial rotation mechanism of preventing for scroll compressor adopts to quiet turbine that the unilateral carries on spacingly in the multiple sides, and is not high to the machining precision requirement of convex part and locating part, only need can carry on the convex part through the locating part spacing can, the processing technology of locating part and convex part is simple simultaneously, and it is convenient to install, and processing technology is convenient, has stronger practicality, accords with the production and processing demand of enterprise.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a guide ring and a stationary turbine in accordance with an embodiment
FIG. 3 is a schematic perspective view of a guide ring and a boss in a first embodiment;
FIG. 4 is a schematic perspective view of a guide ring and a stationary turbine in accordance with a second embodiment;
FIG. 5 is a schematic perspective exploded view of a guide ring and a limiting member according to a second embodiment;
wherein: the scroll compressor comprises a main bearing seat 1, an oldham ring 2, a fixed scroll 3, a movable scroll 4, a guide ring 5, a bolt 6, a limit pin 7, a fastening bolt 8, a boss 9, a first convex part 31, a second convex part 32, a through hole 50 and a boss 80.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present invention provides a radial anti-rotation mechanism for a scroll compressor, including: the compression mechanism comprises a main bearing seat 1, a compression mechanism supported by the main bearing seat 1, and a compression mechanism, wherein the compression mechanism comprises a fixed scroll 3 and an movable scroll 4 which are mutually coupled through an oldham ring 2, and a series of compression cavities for compressing fluid are formed between the fixed scroll 3 and the movable scroll 4; in addition, clearance fit is adopted between the guide ring 5 and the fixed scroll 3, the guide ring 5 is connected with a hole on the main bearing seat 1 through a fastening bolt 8 to limit radial displacement of the fixed scroll 3, and a multi-side single-side limiting assembly for limiting rotation of the fixed scroll 3 is arranged between the guide ring 5 and the fixed scroll 3.
Specifically, the multi-side single-edge limiting assembly comprises at least two convex parts arranged on the static turbine 3 and at least two limiting pieces arranged on the axial lateral plane of the guide ring 5, wherein the at least two limiting pieces limit the rotation of the static turbine 3 by limiting the movement of the at least two convex parts in opposite directions through single edges, and the static turbine 3 is ensured not to rotate along with the rotation of the movable turbine 4.
Wherein the convex part is extended from the circumferential flange surface of the static turbine 3, and the convex part can be a cross slip ring key groove envelope part, but other forms can also be adopted.
In addition, the defining member may be comprised of a variety of different structures, to name a few specific embodiments, as follows:
according to the utility model discloses a first embodiment, the limiting piece can be a boss 80, and boss 80 sets up on the axial lateral plane on the guide ring 5 to directly by guide ring 5 and boss 80 integrated into one piece, the simple convenient of technology of processing, the production and the installation of being convenient for reality, the shape of limiting piece is not limited to this kind of circular form of boss 80 yet certainly, other arbitrary shapes all are in this embodiment's protective scope.
According to the second embodiment of the present invention, the limiting member comprises a bolt 6 and a limiting pin 7, wherein the limiting pin 7 is provided with an internal thread, and the bolt 6 is provided with an external thread adapted to the internal thread of the limiting pin 7; during installation, the bolt 6 is inserted into the through hole 50 from the upper end of the guide ring 5, the limiting pin 7 is placed at the bottom of the through hole 50, the bolt 6 penetrates through the through hole 50 and then is inserted between the limiting pins 7, the bolt 6 and the limiting pin 7 are fixed through threads, and therefore the bolt 6 fixes the limiting pin 7 on the axial side plane of the guide ring 5 and plays a role in limiting the convex part in the static vortex 3.
According to the third embodiment of the present invention, the limiting member is composed of a bolt 6 and a limiting pin 7, a corresponding through hole 50 is formed in the guide ring 5, an internal thread is formed in the through hole 50, and an external thread adapted to the internal thread is formed on the bolt 6; during installation, the limiting pin 7 is arranged at the bottom of the through hole 50, one end with internal threads on the bolt 6 sequentially penetrates through the limiting pin 7 and the through hole 50, external threads on the bolt 6 are in threaded connection with internal threads inside the through hole, and therefore the limiting pin 7 is fixed on the axial side plane of the guide ring 5 through the bolt 6, and the effect of limiting the convex portion in the static vortex 3 is achieved.
According to the utility model discloses a fourth kind of embodiment, the limiting piece is a spacer pin 7, and during the installation spacer pin 7 enters into through-hole 50 from the bottom of through-hole 50, and threaded connection between the inner wall of spacer pin and through-hole 50 also can fix the 7 supports of spacer pin on the axial lateral plane of guide ring 5 like this, plays the limiting displacement to convex part in the quiet vortex 3.
The first embodiment is as follows:
referring to fig. 2-3, the present embodiment includes two first protrusions 31 and second protrusions 32 on the axial circumferential surface of the non-orbiting scroll 3 and two restricting members on the guide ring 5, which are illustrated as two bosses 80 in the first embodiment; one boss 80 is located at the right side of the first protrusion 31 and the other boss 80 is located at the right side of the second protrusion 32, so that when the orbiting scroll 4 is orbiting, since the first protrusion 31 and the second protrusion 32 of the non-orbiting scroll 3 are restricted in their rotations in opposite directions by the first protrusion 31 and the second protrusion 32, respectively, the non-orbiting scroll 3 is not rotated by the rotation of the orbiting scroll 4.
Example two:
referring to fig. 4 to 5, the present embodiment includes two first protrusions 31 and second protrusions 32 on the axial circumferential surface of the non-orbiting scroll 3 and two restricting members on the guide ring 5, which are described as a second embodiment in the present embodiment; the limiting piece comprises a bolt 6 and a limiting pin 7, the bolt 6 is inserted into the through hole 50 from the upper end of the guide ring 5 during installation and then is fixed with the limiting pin 7 positioned at the bottom of the guide ring 5 in a threaded manner, so that the limiting pin 7 is arranged on the axial side plane of the guide ring 5; one stopper pin 7 is located at the right side of the first protrusion 31, and the other stopper pin 7 is located at the right side of the second protrusion 32, so that when the orbiting scroll 4 is orbiting, since the first protrusion 31 and the second protrusion 32 of the non-orbiting scroll 3 are restricted by the two stopper pins 7 while being rotated in opposite directions, respectively, the non-orbiting scroll 3 is not rotated by the rotation of the orbiting scroll 4.
Example three:
the present embodiment includes two first and second protrusions 31 and 32 on the axial circumferential surface of the non-orbiting scroll, and two restricting members on the guide ring 5, wherein one of the restricting members is the boss 80 of the first embodiment, and the other restricting member is the stopper pin 7 and the bolt 6 of the third embodiment; the boss 80 is located at the right side of the first protrusion 31, and the stopper pin 7 and the bolt 6 are located at the right side of the second protrusion 32, so that when the orbiting scroll 4 is orbiting, since the first protrusion 31 and the second protrusion 32 on the non-orbiting scroll 3 are caught by the boss 80 and the stopper pin 7 while being rotated in opposite directions, respectively, the non-orbiting scroll 3 is not rotated by the rotation of the orbiting scroll 4.
Example four:
the present embodiment includes four convex portions on the axial circumferential surface of the non-orbiting scroll and four restricting pieces on the guide ring 5, wherein the four restricting pieces are the restricting pins 7 in the fourth embodiment; thus, the four limit pins 7 can be randomly distributed on one side of the four convex parts, as long as at least one limit pin 7 and the other three limit pins 7 are ensured not to be positioned on the same side of the convex parts; thus, when the movable scroll 4 rotates, the four convex portions of the fixed scroll 3 are caught by the four stopper pins 7 in two opposite directions, and the fixed scroll 3 does not rotate due to the rotation of the movable scroll 4.
Example five:
the present embodiment includes a first protrusion 31 and a second protrusion 32 on the axial circumferential surface of the non-orbiting scroll 3 and three restricting members on the guide ring, which are described as the second embodiment in the present embodiment; the restricting member includes a bolt 6 and a restricting pin 7, wherein two restricting pins 7 are located at the right side of the first protrusion 31, and the other restricting pin 7 is located at the right side of the second protrusion 32, so that when the movable scroll 4 rotates, since the first protrusion 31 and the second protrusion 32 on the non-orbiting scroll 3 are caught by the two restricting pins 7 and the one restricting pin 7 in the opposite directions, respectively, the non-orbiting scroll 3 does not rotate due to the rotation of the movable scroll 4.
Example six:
the present embodiment includes the first and second protrusions 31 and 32 on the axial circumferential surface of the non-orbiting scroll 3 and four restricting members on the guide ring 5, which are described as the fourth embodiment in the present embodiment; the limiting members are limiting pins 7, the two limiting pins 7 are positioned on the right side of the first convex portion 31, and the two limiting pins 7 are positioned on the right side of the second convex portion 32, so that when the movable scroll 4 rotates, because the rotation of the first convex portion 31 and the second convex portion 32 on the fixed scroll 3 in opposite directions is limited by the two limiting pins 7, the fixed scroll 3 cannot rotate due to the rotation of the movable scroll 4.
In this a radial rotation mechanism of preventing for scroll compressor, the locating part can be the boss to boss and guide ring integrated into one piece, and processing technology is simple, and the locating part also can be for the locating pin or constitute by locating pin and bolt simultaneously, only needs during the installation to bore corresponding through-hole on the guide ring, then constitutes restriction convex part pivoted mechanism in saying the through-hole with locating pin or locating pin and bolt installation, and it is convenient wholly to install.
The utility model discloses a radial rotation mechanism of preventing for scroll compressor adopts to quiet turbine that the multiple sides is unilateral to carry on spacingly, like this not high to the machining precision requirement of convex part and locating part, only need can carry on the convex part through the locating part spacing can, the processing technology of locating part and convex part is simple simultaneously, and it is convenient to install, and processing technology is convenient, has stronger practicality, accords with the production and processing demand of enterprise.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (8)
1. A radial anti-rotation mechanism for a scroll compressor, comprising:
a main bearing housing; a compression mechanism supported by the main bearing housing, the compression mechanism including a non-orbiting scroll and an orbiting scroll mutually coupled to each other via an oldham ring, the non-orbiting and orbiting scrolls forming a series of compression chambers therebetween for compressing a fluid;
the guide ring is in clearance fit with the static vortex and is connected with a hole on the main bearing seat through a fastening bolt so as to limit the radial displacement of the static vortex;
the method is characterized in that: and a multi-side single-side limiting assembly used for limiting the rotation of the fixed vortex is arranged between the guide ring and the fixed vortex.
2. The radial anti-rotation mechanism for a scroll compressor according to claim 1, wherein: the multi-side single-edge limiting assembly comprises at least two protrusions arranged on the static turbine and at least two limiting pieces arranged on the guide ring, and the at least two limiting pieces limit the rotation of the static turbine by limiting the movement of the at least two protrusions in opposite directions in a single edge mode.
3. The radial anti-rotation mechanism for a scroll compressor according to claim 2, wherein: the limiting piece is a boss.
4. The radial anti-rotation mechanism for a scroll compressor according to claim 2, wherein: the limiting piece is composed of a bolt and a limiting pin, and the limiting piece is arranged in the through hole of the guide ring.
5. The radial anti-rotation mechanism for a scroll compressor according to claim 4, wherein: the limiting pin is provided with an internal thread, and the bolt is provided with an external thread matched with the internal thread of the limiting pin; the bolt enters from the top of the through hole and is in threaded connection with the limiting pin at the bottom of the guide ring.
6. The radial anti-rotation mechanism for a scroll compressor according to claim 4, wherein: an internal thread is formed in the through hole, and an external thread matched with the internal thread is formed on the bolt; the limiting pin is arranged at the bottom of the guide ring; and one end of the bolt with the internal thread sequentially penetrates through the limiting pin and the through hole and is connected with the internal thread inside the through hole.
7. The radial anti-rotation mechanism for a scroll compressor according to claim 2, wherein: the limiting piece is a limiting pin, and a through hole is formed in the guide ring; the limiting pin enters the through hole from the bottom of the guide ring and is in threaded connection with the inner wall of the through hole.
8. The radial anti-rotation mechanism for a scroll compressor according to claim 2, wherein: the convex part is arranged on the axial circumferential surface of the static turbine and is a crossed slip ring key groove enveloping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493425.5U CN211500964U (en) | 2019-09-09 | 2019-09-09 | Radial anti-rotation mechanism for scroll compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493425.5U CN211500964U (en) | 2019-09-09 | 2019-09-09 | Radial anti-rotation mechanism for scroll compressor |
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| CN211500964U true CN211500964U (en) | 2020-09-15 |
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| CN201921493425.5U Active CN211500964U (en) | 2019-09-09 | 2019-09-09 | Radial anti-rotation mechanism for scroll compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486274A (en) * | 2019-09-09 | 2019-11-22 | 苏州旭星涡旋压缩机有限公司 | A kind of radial anti-rotation mechanism for screw compressor |
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2019
- 2019-09-09 CN CN201921493425.5U patent/CN211500964U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486274A (en) * | 2019-09-09 | 2019-11-22 | 苏州旭星涡旋压缩机有限公司 | A kind of radial anti-rotation mechanism for screw compressor |
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