CN210714976U - Linear compressor - Google Patents
Linear compressor Download PDFInfo
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- CN210714976U CN210714976U CN201921307523.5U CN201921307523U CN210714976U CN 210714976 U CN210714976 U CN 210714976U CN 201921307523 U CN201921307523 U CN 201921307523U CN 210714976 U CN210714976 U CN 210714976U
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Abstract
The application provides a linear compressor belongs to the compressor field. It comprises a motor component; the resonance component is arranged at one side end of the motor component; the rotor assembly is arranged inside the motor assembly; the connecting assembly is arranged inside the motor assembly, and the rotor assembly is sleeved on the connecting assembly; and the piston is arranged on the motor component and communicated with the connecting component. The device is reasonable in layout, the assembly difficulty is effectively reduced, the rotor assembly and the piston are connected through the connecting assembly, the piston does not bear lateral force generated when the rotor assembly operates in a cylinder hole any more, and the performance and the reliability of the linear compressor can be improved; meanwhile, each part of the linear compressor is simple to manufacture, simple in machining and assembling process and low in cost.
Description
Technical Field
The application relates to the field of compressors, in particular to a linear compressor.
Background
In the existing linear compressor, a rotor is rigidly connected with a piston assembly, the piston assembly is fixed on the rotor, and the rotor drives the piston assembly to perform linear reciprocating motion.
However, the piston with the structure is used as a supporting connecting part, lateral force needs to be overcome, the rotor assembly is manufactured independently, a tool is required to be ensured to be coaxial with the piston when the rotor assembly is assembled with the piston, the process is complex, and the requirement on part precision is high.
SUMMERY OF THE UTILITY MODEL
One of the objectives of the present application is to provide a linear compressor, which aims to improve the problem that the piston of the compressor in the prior art is susceptible to the influence of lateral force during operation, resulting in performance degradation.
The technical scheme of the application is as follows:
a linear compressor, comprising:
a motor assembly;
the resonance component is arranged at one side end of the motor component;
the mover assembly is mounted inside the motor assembly;
the connecting assembly is mounted inside the connecting assembly and communicated with the resonance assembly, and the rotor assembly is sleeved on the connecting assembly;
and the piston is arranged in the motor component and communicated with the connecting component.
As a technical scheme of this application, motor element is including the motor base, motor stator and the cylinder structure that connect gradually, motor base motor stator and the cylinder structure is covered in proper order and is established on the active cell subassembly, motor base's side opening, the resonance unit mount is in motor base's the opening.
As a technical scheme of this application, the runner subassembly rotates cover and third including the first rotation cover, second that connect gradually and rotates the cover, first rotate the cover the second rotate the cover and the third rotates the fixed cover of cover to connect in succession on the coupling assembling.
As an aspect of the present application, the connection assembly includes:
a connector barrel having opposing first and second ends, the first end being closed, the second end having a first opening; the rotor assembly is fixedly sleeved on the connecting cylinder;
the air suction cylinder is integrally installed in the connecting cylinder and extends along the direction from the first end part to the second end part; the air suction cylinder is provided with an air suction end and an air outlet end which are opposite, the air suction end is provided with a second opening, the second opening penetrates through the first end part of the connecting cylinder, and the air outlet end is provided with a plurality of exhaust holes; the air suction cylinder is communicated with the resonance assembly through the air suction cylinder and is communicated with the piston through the air outlet end;
a positioning cap disposed over the first end of the connector barrel.
As an aspect of the present invention, a diameter of the suction tube is gradually reduced from the first end portion toward the second end portion.
As a technical scheme of this application, the connecting cylinder is cylindric structure.
As a technical scheme of this application, the top internally mounted of a section of thick bamboo of breathing in has spherical connecting piece, install on the tip of piston with spherical connecting piece matched with connecting groove, a section of thick bamboo of breathing in installs respectively through the both ends with the connecting pin spherical connecting piece with in the connecting groove with the piston is connected.
The beneficial effect of this application:
in the linear compressor, the piston and the rotor are assembled through the linear compressor, the linear compressor is of an integrally formed cylindrical structure, the wall is thin and easy to process, the manufacturing process is simple, the cost is low, the shape of the inner space of the air suction cylinder can be continuously changed in the working process, and therefore the air suction muffler and the connecting cylinder form an air suction muffler cavity together, the noise caused by the piston in the operation process can be effectively reduced, and the additional increase of the muffler cavity is not needed; meanwhile, the top of the connection between the air suction cylinder and the piston is provided with an exhaust hole which forms an exhaust channel together with the end part of the piston so as to drive the piston to reciprocate; in addition, the outer part of the connecting cylinder is of a cylinder structure, a motor rotor can be installed on the connecting cylinder in a matched mode, the rotor assembly is fixedly sleeved on the connecting cylinder, and coaxial determination is not needed during installation; the rotor assembly is connected with the piston through the connecting assembly, the top of the air suction cylinder is in spherical connection with the interior of the piston through the spherical connecting piece, and the spherical connecting piece is fixedly connected with the middle of the connecting groove of the piston through a pin shaft and can be axially adjusted, so that the piston does not bear lateral force generated in the operation of the rotor assembly in a cylinder hole, and the service performance and the reliability of the piston can be effectively improved; in addition, each part of the linear compressor is simple to manufacture, simple in machining and assembling process and low in cost. Therefore, the linear compressor has simple structure and reasonable layout, and can effectively reduce the noise in the piston operation process; meanwhile, the device can effectively reduce the processing difficulty of the motor rotor and the piston.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a linear compressor provided in an embodiment of the present application;
FIG. 2 is a schematic view of a first angular configuration of a linear compressor according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a linear compressor provided in accordance with an embodiment of the present application;
fig. 4 is a schematic view of an assembly structure of the connecting assembly and the mover assembly according to the embodiment of the present disclosure;
fig. 5 is an assembled cross-sectional view of a coupling assembly and a mover assembly provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a connection assembly according to an embodiment of the present application.
Icon: 1-a linear compressor; 2-a motor assembly; 3-a resonant component; 4-a mover assembly; 5-a piston; 6-a connecting assembly; 7-a motor base; 8-a motor stator; 9-cylinder structure; 10-helical resonant springs; 11-a connecting tube; 12-a first rotating sleeve; 13-a second rotating sleeve; 14-a third rotating sleeve; 15-connecting cylinder; 16-a first end portion; 17-a second end; 18-a first opening; 19-an aspirator tube; 20-a suction end; 21-air outlet end; 22-a second opening; 23-positioning the cover; 24-vent holes; 25-a ball joint; 26-connecting pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "upper" and "lower" are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present application.
Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.
Example (b):
referring to fig. 1, with reference to fig. 2 to 6, the present application provides a linear compressor 1, which mainly includes a motor assembly 2, a resonant assembly 3, a mover assembly 4, a piston 5 and a connecting assembly 6; wherein, active cell subassembly 4, piston 5 and coupling assembling 6 all set up in motor element 2, and active cell subassembly 4 cup joints on connecting cylinder 15, and resonance assembly 3 installs in motor element 2's outer end to link to in a section of thick bamboo 19 of breathing in, piston 5 communicates in a section of thick bamboo 19 of breathing in.
Referring to fig. 1, with reference to fig. 2 and 3, the motor assembly 2 includes a motor base 7, a motor stator 8, and a cylinder structure 9, which are connected in sequence, and the three may be connected by bolts or by a snap connection; meanwhile, the motor base 7, the motor stator 8 and the cylinder structure 9 are sequentially covered on the connecting assembly 6, and the bottom of the motor base 7 is provided with an opening which is used for installing the resonance assembly 3; the top cover lid is established on coupling assembling 6, sets up a plurality of arc openings of arranging along its circumference on cylinder structure 9, installs the convex closure that cooperatees the setting with piston 5 on the middle part region that is enclosed to establish by a plurality of arc openings, and the interval between this a plurality of arc openings is the same.
It should be noted that, in this embodiment, the motor base 7 and the motor stator 8 are both in a square tubular structure, and the two are cooperatively disposed, and both cross sections thereof are in a polygonal structure, and the cylinder structure 9 is in a cylindrical structure.
Further, please refer to fig. 2, the resonance assembly 3 includes a spiral resonance spring 10 and a connection pipe 11, a straight pipe is arranged at the center of the spiral resonance spring 10, the two ends of the straight pipe are used as starting points, and a plurality of sequentially connected semi-circles conforming to the fibonacci golden spiral formula are respectively extended outwards, so as to respectively form the first end and the second end of the spiral resonance spring 10, the free end portions of the first end and the second end are respectively connected with a first straight pipe and a second straight pipe, the first straight pipe and the second straight pipe are arranged in parallel at intervals, and the openings of the first straight pipe and the second straight pipe are arranged towards the back. It should be noted that the helical resonant spring 10 is mounted on the bottom opening of the motor base 7, one end of the connection pipe 11 is connected to the straight pipe on the center of the helical resonant spring 10, and the other end is communicated with the connection assembly 6.
Meanwhile, referring to fig. 4 and fig. 5 in a matching manner, the mover assembly 4 includes a first rotating sleeve 12, a second rotating sleeve 13 and a third rotating sleeve 14 which are sequentially connected, and the first rotating sleeve 12, the second rotating sleeve 13 and the third rotating sleeve 14 are fixedly sleeved on the connecting assembly 6, so that the mover assembly 4 does not need to be coaxially determined during installation.
In the present embodiment, the first rotating sleeve 12, the second rotating sleeve 13, and the third rotating sleeve 14 are all in a ring structure with a certain thickness, and are sequentially fixed on the connecting assembly 6.
Referring to fig. 6, with reference to fig. 4 and 5, the connecting assembly 6 mainly includes a positioning cover 23, a connecting cylinder 15, and an air suction cylinder 19: the positioning cover 23 is sleeved on the bottom end of the connecting cylinder 15, and the air suction cylinder 19 is installed inside the connecting cylinder 15. Wherein, the connecting cylinder 15 has a first end 16 and a second end 17 opposite to each other, the first end 16 is closed and arranged, and the second end 17 has a first opening 18; the air suction tube 19 is integrally formed with the connecting tube 15, is installed inside the connecting tube 15, and extends along the first end 16 of the connecting tube 15 to the second end 17; it should be noted that the suction tube 19 has a suction end 20 and an air outlet end 21 opposite to each other, and the suction end 20 has a second opening 22, and the second opening 22 penetrates through the first end 16 of the connecting tube 15 and is communicated with the connecting tube 11 at the central part of the resonance assembly 3 through a positioning cover 23; a plurality of exhaust holes 24 are formed on the air outlet end 21 of the air suction cylinder 19, and the air suction cylinder is communicated with the piston 5 through the exhaust holes 24 and transmits air to the piston; a positioning cap 23 is placed over the first end 16 of the connecting cylinder 15 and can be screwed fixedly to the connecting cylinder 15.
In the present embodiment, a spherical connecting member 25 is installed inside the top end of the suction tube 19, the spherical connecting member 25 is a spherical structure, and a first connecting through hole is formed along the central axis direction and is integrally formed with the suction tube 19; the piston 5 is provided at an end thereof with a coupling groove engaged with the spherical coupling member 25, the coupling groove having a notch facing the spherical coupling member 25 and formed with a second coupling through-hole, and the air suction cylinder 19 is coupled to the piston 5 by inserting both ends of a coupling pin 26 into the first coupling through-hole and the second coupling through-hole, respectively. Meanwhile, the connection between the piston 5 and the air suction cylinder 19 can be axially adjusted, so that the piston 5 can not bear the lateral force generated in the operation of the rotor assembly 4 in the cylinder hole of the motor assembly 2 any more, and the service performance and the reliability of the piston 5 can be effectively improved.
In this embodiment, the diameter of the air suction tube 19 is gradually reduced from the first end 16 to the second end 17, and the cross section thereof has an isosceles trapezoid structure; in other embodiments, the diameter of the suction cylinder 19 may be set from the first end 16 to the second end 17 in a manner of decreasing, increasing, and then decreasing, or in a manner of increasing, decreasing, and then increasing, and the like, and is not limited to the configuration in the present embodiment.
In the present embodiment, the connecting cylinder 15 has a cylindrical structure, and the cross section thereof has a rectangular structure.
In the present embodiment, the connecting cylinder 15 and the suction cylinder 19 have the same central axis.
It should be noted that in the present embodiment, the air outlet end 21 of the air suction cylinder 19 extends out of the first opening 18 of the connecting cylinder 15, i.e. the length of the air suction cylinder 19 is greater than the length of the connecting cylinder 15.
Therefore, in the linear compressor 1 of the present application, the piston 5 and the mover assembly 4 are assembled through the connecting assembly 6, the connecting assembly 6 is an integrally formed cylindrical structure, the wall is thin and easy to process, the manufacturing process is simple, the cost is low, and the internal space of the air suction cylinder 19 can change shape continuously during the working process, so as to form an air suction and noise reduction cavity together with the connecting cylinder 15, thereby effectively reducing the noise caused by the piston 5 during the operation process, and thus, no additional noise reduction cavity is required; meanwhile, the top of the connection between the air suction cylinder 19 and the piston 5 is provided with an exhaust hole 24, which forms an exhaust channel together with the end of the piston 5, so as to drive the piston 5 to reciprocate; in addition, the outer part of the connecting cylinder 15 is of a cylindrical structure, a motor rotor can be installed on the connecting cylinder in a matched mode, the rotor assembly 4 is fixedly sleeved on the connecting cylinder 15, and coaxial determination is not needed during installation; the rotor assembly 4 is connected with the piston 5 through the connecting assembly 6, the top of the air suction cylinder 19 is in spherical connection with the interior of the piston 5 through a spherical connecting piece 25, and a connecting pin 26 is arranged between the spherical connecting piece 25 and a connecting groove of the piston 5 for fixed connection and axial adjustment, so that the piston 5 does not bear the lateral force generated in the operation of the rotor assembly 4 in a cylinder hole any more, and the service performance and the reliability of the piston 5 can be effectively improved; in addition, the linear compressor 1 has the advantages of simple manufacture of all parts, simple processing and assembling process and low cost. Therefore, the linear compressor 1 has a simple structure and reasonable layout, and can effectively reduce the noise in the operation process of the piston 5; meanwhile, the device can effectively reduce the processing difficulty of the motor rotor and the piston 5.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A linear compressor, characterized by comprising:
a motor assembly;
the resonance component is arranged at one side end of the motor component;
the mover assembly is mounted inside the motor assembly;
the connecting assembly is mounted inside the connecting assembly and communicated with the resonance assembly, and the rotor assembly is sleeved on the connecting assembly;
and the piston is arranged in the motor component and communicated with the connecting component.
2. The compressor of claim 1, wherein the motor assembly comprises a motor base, a motor stator and a cylinder structure, which are sequentially connected to each other, the motor base, the motor stator and the cylinder structure are sequentially covered on the mover assembly, a side end of the motor base is open, and the resonance assembly is installed in the opening of the motor base.
3. The compressor of claim 1, wherein the mover assembly includes a first rotating sleeve, a second rotating sleeve, and a third rotating sleeve connected in sequence, and the first rotating sleeve, the second rotating sleeve, and the third rotating sleeve are fixedly sleeved on the connection assembly.
4. The compressor of claim 1, wherein the connection assembly comprises:
a connector barrel having opposing first and second ends, the first end being closed, the second end having a first opening; the rotor assembly is fixedly sleeved on the connecting cylinder;
the air suction cylinder is integrally installed in the connecting cylinder and extends along the direction from the first end part to the second end part; the air suction cylinder is provided with an air suction end and an air outlet end which are opposite, the air suction end is provided with a second opening, the second opening penetrates through the first end part of the connecting cylinder, and the air outlet end is provided with a plurality of exhaust holes; the air suction cylinder is communicated with the resonance assembly through the air suction cylinder and is communicated with the piston through the air outlet end;
a positioning cap disposed over the first end of the connector barrel.
5. The compressor of claim 4, wherein a diameter of the suction tube is gradually reduced from the first end portion toward the second end portion.
6. The compressor of claim 4, wherein the connecting cylinder is of a cylindrical structure.
7. The compressor of claim 4, wherein a ball-shaped connector is installed inside a top end of the suction tube, a connection groove matched with the ball-shaped connector is installed on an end of the piston, and the suction tube is connected with the piston by installing both ends of a connection pin in the ball-shaped connector and the connection groove, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307523.5U CN210714976U (en) | 2019-08-13 | 2019-08-13 | Linear compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307523.5U CN210714976U (en) | 2019-08-13 | 2019-08-13 | Linear compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210714976U true CN210714976U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921307523.5U Active CN210714976U (en) | 2019-08-13 | 2019-08-13 | Linear compressor |
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| Country | Link |
|---|---|
| CN (1) | CN210714976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410292A (en) * | 2019-08-13 | 2019-11-05 | 黄石东贝电器股份有限公司 | A kind of Linearkompressor |
-
2019
- 2019-08-13 CN CN201921307523.5U patent/CN210714976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410292A (en) * | 2019-08-13 | 2019-11-05 | 黄石东贝电器股份有限公司 | A kind of Linearkompressor |
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Effective date of registration: 20210622 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |