CN215058176U - Positioning ring for compressor, connecting structure comprising positioning ring and compressor - Google Patents
Positioning ring for compressor, connecting structure comprising positioning ring and compressor Download PDFInfo
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- CN215058176U CN215058176U CN202120838165.1U CN202120838165U CN215058176U CN 215058176 U CN215058176 U CN 215058176U CN 202120838165 U CN202120838165 U CN 202120838165U CN 215058176 U CN215058176 U CN 215058176U
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- bearing
- connecting portion
- oil pump
- position circle
- mounting groove
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Abstract
The utility model provides a compressor is with position circle and contain its even structure and compressor, this position circle includes the position circle body, the position circle body include first connecting portion and second connecting portion, first connecting portion set up with second connecting portion integral type and constitute complete position circle body, the front end of first connecting portion be provided with the tang, be used for leaning on with bearing clamp plate counterbalance, the terminal surface of second connecting portion radially inwards extend the elastic component mounting groove, the elastic component mounting groove in be provided with the elastic component that leans on with the bearing. Above-mentioned structure has the concentricity between assurance rotor and the oil pump that can be effectual to can also carry out the advantage of effective drive to the oil pump. Have and to realize closely fixed between bearing and the shaft coupling, can also realize improving performance such as fatigue life, temperature rise, noise, vibration to the bearing, and then the concentricity between effectual assurance rotor and the oil pump to can also carry out the advantage of effective drive to the oil pump.
Description
Technical Field
The application relates to the technical field of screw compressors, in particular to a positioning ring for a compressor, a connecting structure containing the positioning ring and the compressor.
Background
The positioning ring is an attachment structure for fixing the position of a connecting piece, and in the field of screw compressors, an oil pump structure is required, and the positioning ring structure is often required at the connecting position of the oil pump and the rotor; however, in the technical field of compressors, the motion matching between the rotor and the oil pump can be effectively realized only by the very precise concentricity between the oil pump and the rotor, once the concentricity deviation occurs, the use of the whole compressor is seriously influenced, the traditional positioning ring is difficult to realize the precise concentricity positioning and only has the function of fixing accessories, and if the screw compressor runs at a high speed for a long time, the use of the equipment is seriously influenced by the non-ideal concentricity, so that the abrasion or the interference is caused.
SUMMERY OF THE UTILITY MODEL
This application is not enough to prior art's the aforesaid, provides one kind and can realize inseparable fixed between bearing and the shaft coupling, can also realize improving performance such as fatigue life, temperature rise, noise, vibration to the bearing, and then effectual concentricity between assurance rotor and the oil pump to can also carry out effectively driven position circle to the oil pump.
In order to solve the technical problem, the technical scheme adopted by the application is as follows: the utility model provides a position circle for compressor, this position circle includes the position circle body, the position circle body include first connecting portion and second connecting portion, first connecting portion set up with second connecting portion integral type and constitute complete position circle body, the front end of first connecting portion be provided with the tang, be used for leaning on with bearing clamp plate counterbalance, the terminal surface of second connecting portion radially inwards extend the elastic component mounting groove, the elastic component mounting groove in be provided with the elastic component that leans on with the bearing.
By adopting the structure, the spigot is arranged on the positioning ring, so that the hole for mounting the bearing and the bearing pressing plate are positioned, and the concentricity between the hole for mounting the bearing and the bearing pressing plate is improved. In addition, this application still is equipped with the elastic component mounting groove on the position circle, installs into the elastic component, and the bearing play can be guaranteed in the setting of elastic component to can have very big improvement to performance such as fatigue life, temperature rise, noise, vibration of bearing.
Preferably, the spigot includes a radial spigot portion and an axial spigot portion, the radial spigot portion is abutted against the end face of the bearing press plate, and the axial spigot portion is matched with the inner ring of the bearing press plate (namely, the axial spigot portion axially extends into the inner ring of the bearing press plate and is in contact fit with the inner wall of the bearing press plate so as to radially position the bearing press plate). By adopting the structure, the radial spigot part abuts against the end face of the bearing pressure plate, and the bearing pressure plate realizes an axial pressing force on the positioning ring, so that the positioning function of the positioning ring is realized; and the axial spigot part is matched with the inner ring of the bearing pressing plate to limit the radial displacement of the bearing pressing plate, thereby realizing the effective positioning of the bearing pressing plate and improving the concentricity between the bearing pressing plate and the positioning ring.
Preferably, the outer diameter of the radial stop portion is equal to the outer diameter of the second connecting portion; by adopting the structure, enough radial area is reserved to be abutted against the bearing pressing plate, and the pressing force and the stability between the two are improved.
Preferably, the plurality of elastic piece mounting grooves are arranged and are uniformly distributed along the circumferential direction of the end surface of the second connecting part; adopt above-mentioned structure, can set up a plurality of elastic component that set up a plurality of radial extensions in the mounting groove to realize supporting with the multi-site elasticity between the bearing and lean on, effectively maintain the bearing play of bearing, thereby can have very big improvement to performance such as fatigue life, temperature rise, noise, vibration of bearing.
The application also provides a connecting structure containing the locating ring, the connecting structure comprises an oil pump, a rotor and an exhaust seat positioned at the end part of the rotor, a bearing mounting hole is formed in the exhaust seat, a bearing is arranged in the bearing mounting hole, an output shaft of the rotor extends into the bearing hole, the end surface of the output shaft of the rotor is fixedly connected with a spline coupler, and the spline coupler is sleeved and connected with the output shaft of the oil pump; the spline shaft coupling on the cover closed the position circle, position circle one end and bearing counterbalance lean on, the other end is provided with the tang, this tang supports each other with the bearing clamp plate and leans on, through oil pump flange joint between bearing clamp plate and the oil pump, and be provided with the flange tang on oil pump flange and the bearing clamp plate joint end.
By adopting the connecting structure, the spigot on the positioning ring enables the bearing mounting hole and the bearing pressing plate to be positioned, the concentricity of the bearing mounting hole and the bearing pressing plate is improved, the spigot on the oil pump flange can position the oil pump and the bearing pressing plate, so that a bearing positioning hole (a central axial hole of the bearing pressing plate) of the bearing pressing plate and a flange spigot of the oil pump are formed, the bearing mounting hole of the exhaust seat is positioned in three aspects, the concentricity is effectively improved, and the stable operation of the whole equipment is guaranteed.
Preferably, an elastic piece mounting groove extends radially inwards on the end face of the positioning ring abutted against the bearing, an elastic piece is arranged in the mounting groove, and the elastic piece is abutted against the end face of the bearing; with the above structure, the bearing play is ensured by such contact between the elastic member and the bearing.
Further preferably, the elastic piece mounting grooves are provided in plurality, and the plurality of elastic piece mounting grooves are uniformly distributed along the circumferential direction of the end surface of the second connecting portion.
The application also provides a screw compressor comprising the connecting structure.
Drawings
Fig. 1 is a schematic view of a partial cross-sectional structure of a screw compressor incorporating the subject retainer ring.
Fig. 2 is a schematic structural view of a first angle of a perspective view of the lock ring of the present application.
Fig. 3 is a schematic structural view of a second angle of a perspective view of the lock ring of the present application.
Fig. 4 is a schematic axial sectional view of a perspective view of a cage according to the present application.
As shown in the attached drawings: a. the shaft coupling comprises a shaft coupling body, a spline connecting part 1, a spline inner hole 1.1, a spline 1.2, a bearing pressing plate part 2.1, a spigot 2.11, a radial spigot part 2.12, an axial spigot part 3, an oil pump 4, a bearing, a mounting hole 5 and a rotor 6.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only preferred embodiments, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present invention;
further, it is to be noted that: when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by way of the intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, for the retainer ring for the compressor of the present application, this retainer ring includes a retainer ring body a, retainer ring body a include first connecting portion 1 and second connecting portion 2, first connecting portion 1 sets up with second connecting portion 2 integral type and constitutes complete retainer ring body a, the front end of first connecting portion 1 be provided with tang 1.1, be used for leaning on with bearing clamp plate 3 counterbalance, the terminal surface of second connecting portion 2 radially inwards extend elastic component mounting groove 2.1, elastic component mounting groove 2.1 in be provided with the elastic component (can be the spring, like coil spring) that leans on with the bearing.
By adopting the structure, the spigot is arranged on the positioning ring, so that the hole for mounting the bearing and the bearing pressing plate are positioned, and the concentricity between the hole for mounting the bearing and the bearing pressing plate is improved. In addition, this application still is equipped with the elastic component mounting groove on the position circle, installs into the elastic component, and the bearing play can be guaranteed in the setting of elastic component to can have very big improvement to performance such as fatigue life, temperature rise, noise, vibration of bearing.
Specifically, as shown in fig. 2 to 4, the spigot 1.1 of the present application includes a radial spigot portion 1.11 and an axial spigot portion 1.12, the radial spigot portion 1.11 abuts against the end surface of the bearing press plate 3, and the axial spigot portion 1.12 is matched with the inner ring of the bearing press plate 3 (i.e., the axial spigot portion axially extends into the inner ring of the bearing press plate and is in contact fit with the inner wall of the bearing press plate to radially position the bearing press plate). By adopting the structure, the radial spigot part abuts against the end face of the bearing pressure plate, and the bearing pressure plate realizes an axial pressing force on the positioning ring, so that the positioning function of the positioning ring is realized; and the axial spigot part is matched with the inner ring of the bearing pressing plate to limit the radial displacement of the bearing pressing plate, thereby realizing the effective positioning of the bearing pressing plate and improving the concentricity between the bearing pressing plate and the positioning ring.
As shown in fig. 2 to 4, the radial spigot portion 1.11 described in the present application has an outer diameter equal to that of the second connecting portion 2; by adopting the structure, enough radial area is reserved to be abutted against the bearing pressing plate, and the pressing force and the stability between the two are improved.
As shown in fig. 2 to 4, a plurality of elastic member installation grooves 2.1 are provided, and the plurality of elastic member installation grooves 2.1 are uniformly distributed along the circumferential direction of the end surface of the second connecting portion 2; adopt above-mentioned structure, can set up a plurality of radially extending's elastic component in the mounting groove to realize and the multi-site elasticity between the bearing leans on, effectively maintain the bearing play of bearing, thereby can have very big improvements to performance such as fatigue life, temperature rise, noise, vibration of bearing.
As shown in fig. 1, the present application further provides a connection structure including the above locating ring, the connection structure includes an oil pump 4, a rotor 5, and an exhaust seat 6 located at an end portion of the rotor, a bearing mounting hole (the exhaust seat is fixed to a cylinder of a compressor) is provided in the exhaust seat 6, a bearing 7 is provided in the bearing mounting hole, an output shaft 5.1 of the rotor 5 extends into the bearing hole (the bearing hole is an inner hole and an inner ring hole of the bearing), an end surface of the output shaft 5.1 of the rotor is fixedly connected to a spline coupler 8 (a mounting hole is provided in a wall thickness of the spline coupler, a bolt is provided in the mounting hole to be connected to the output shaft of the rotor), and the spline coupler 8 is in fit connection with the output shaft of the oil pump 4 (that the spline coupler is provided with a spline, and a structure matched with the spline is provided on the output shaft of the corresponding oil pump to realize bonding); spline coupler 8 on the cover closed have a position circle 9, position circle 9 (the specific structure of the position circle of this application embodiment here is the structure of the position circle that this application describes promptly) one end and bearing 7 counterbalance lean on, the other end is provided with tang 1.1, this tang supports each other with bearing clamp plate 3 and leans on (bearing clamp plate and exhaust seat fixed connection), be connected through oil pump flange 10 between bearing clamp plate 3 and the oil pump 4, and be provided with flange tang 10.1 (the flange tang also comprises radial two parts of closing the axial, wherein the axial with extend to the bearing mounting hole of bearing clamp plate, radial then supports with the terminal surface of bearing clamp plate and leans on, realize concentric fixed with the bearing clamp plate).
By adopting the connecting structure, the spigot on the positioning ring enables the bearing mounting hole and the bearing pressing plate to be positioned, the concentricity of the bearing mounting hole and the bearing pressing plate is improved, the spigot on the oil pump flange can position the oil pump and the bearing pressing plate, so that a bearing positioning hole (a central axial hole of the bearing pressing plate) of the bearing pressing plate and a flange spigot of the oil pump are formed, the bearing mounting hole of the exhaust seat is positioned in three aspects, the concentricity is effectively improved, and the stable operation of the whole equipment is guaranteed.
As shown in fig. 1, an elastic member mounting groove 2.1 extends radially inward on an end surface of the positioning ring 9 abutted against the bearing 7, an elastic member is arranged in the mounting groove, and the elastic member abuts against the end surface of the bearing; with the above structure, the bearing play is ensured by such contact between the elastic member and the bearing, and the elastic member may adopt a structure such as a coil spring. This application the elastic component mounting groove be provided with a plurality ofly, and a plurality of elastic component mounting grooves are along the terminal surface circumference evenly distributed of second connecting portion, specifically, the elastic component mounting groove is provided with 16 in this application embodiment, the mounting groove number of this application is not restricted to above-mentioned embodiment.
This application still provides a helical-lobe compressor who contains above-mentioned connection structure, adopts above-mentioned connection structure's helical-lobe compressor, and concentricity between can effectual improvement oil pump and the rotor guarantees the steady operation of the steady fuel feeding of oil pump and whole compressor.
Claims (8)
1. The utility model provides a position circle for compressor which characterized in that: this position circle includes the position circle body, the position circle body include first connecting portion and second connecting portion, first connecting portion set up with second connecting portion integral type and constitute complete position circle body, the front end of first connecting portion be provided with the tang, be used for leaning on with bearing clamp plate counterbalance, the terminal surface of second connecting portion radially inwards extend the elastic component mounting groove, the elastic component mounting groove in be provided with the elastic component that leans on with the bearing.
2. The retainer for a compressor according to claim 1, wherein: the spigot comprises a radial spigot part and an axial spigot part, the radial spigot part is abutted against the end face of the bearing pressing plate, and the axial spigot part is matched with the inner ring of the bearing pressing plate.
3. The retainer for a compressor according to claim 1, wherein: the outer diameter of the radial stop part is equal to that of the second connecting part.
4. The retainer for a compressor according to claim 1, wherein: the elastic piece mounting groove be provided with a plurality ofly, and a plurality of elastic piece mounting grooves are along the terminal surface circumference evenly distributed of second connecting portion.
5. A coupling structure including a retainer ring for a compressor according to any one of claims 1 to 4, wherein: the connecting structure comprises an oil pump, a rotor and an exhaust seat positioned at the end part of the rotor, wherein a bearing mounting hole is formed in the exhaust seat, a bearing is arranged in the bearing mounting hole, an output shaft of the rotor extends into the bearing hole, the end surface of the output shaft of the rotor is fixedly connected with a spline coupler, and the spline coupler is sleeved and connected with the output shaft of the oil pump; the spline shaft coupling on the cover closed the position circle, position circle one end and bearing counterbalance lean on, the other end is provided with the tang, this tang supports each other with the bearing clamp plate and leans on, through oil pump flange joint between bearing clamp plate and the oil pump, and be provided with the flange tang on oil pump flange and the bearing clamp plate joint end.
6. The connection structure according to claim 5, wherein: an elastic piece mounting groove extends radially inwards on the end face of the positioning ring abutted against the bearing, an elastic piece is arranged in the mounting groove, and the elastic piece is abutted against the end face of the bearing; with the above structure, the bearing play is ensured by such contact between the elastic member and the bearing.
7. The connection structure according to claim 6, wherein: the elastic piece mounting groove be provided with a plurality ofly, and a plurality of elastic piece mounting grooves are along the terminal surface circumference evenly distributed of second connecting portion.
8. A screw compressor comprising the connecting structure according to any one of claims 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838165.1U CN215058176U (en) | 2021-04-22 | 2021-04-22 | Positioning ring for compressor, connecting structure comprising positioning ring and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838165.1U CN215058176U (en) | 2021-04-22 | 2021-04-22 | Positioning ring for compressor, connecting structure comprising positioning ring and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215058176U true CN215058176U (en) | 2021-12-07 |
Family
ID=79112170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120838165.1U Active CN215058176U (en) | 2021-04-22 | 2021-04-22 | Positioning ring for compressor, connecting structure comprising positioning ring and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215058176U (en) |
-
2021
- 2021-04-22 CN CN202120838165.1U patent/CN215058176U/en active Active
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