CN114412746A

CN114412746A - Reciprocating type power structure

Info

Publication number: CN114412746A
Application number: CN202111669170.5A
Authority: CN
Inventors: 姚宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-04-29

Abstract

The invention discloses a reciprocating power structure, which comprises a hard shaft rod body, an inner cylinder body, an outer cylinder body and a coil assembly, wherein the hard shaft rod body, the inner cylinder body, the outer cylinder body and the coil assembly are arranged from inside to outside; the upper side and the lower side of the shaft rod body are both connecting ends, and the connecting ends are used for connecting the piston head; the upper side of the shaft lever body is provided with at least two first locking rings, the lower side of the shaft lever body is provided with at least two second locking rings, and the first locking rings and the second locking rings are used for limiting the elastic sheet; the shaft rod body is also fixedly provided with the outer cylinder body between the first locking ring and the second locking ring, and the outer cylinder body is a magnetic outer cylinder body and is of an open structure and is sleeved outside the inner cylinder body. The invention adopts a linear driving mode, integrates the rotor structure, reduces the volume of the driving structure, adopts a double-side plate spring to position the central shaft in the whole power structure, has fixed motion track, effectively avoids friction and improves the efficiency of the motor.

Description

Reciprocating type power structure

Technical Field

The invention relates to the field of compressors, in particular to a reciprocating power structure.

Background

In all energy consumption, the energy consumption of the building industry accounts for 20-30%, wherein the energy consumption of the air-conditioning heating and refrigerating system accounts for 50-60% of the energy consumption of the building industry. The compressor is used as a key part of an air-conditioning heating and refrigerating system, and accounts for 70-80% of the duty ratio of the heating and refrigerating system.

Reciprocating compressors are positive displacement compressors in which a certain volume of gas is sequentially sucked into and discharged from a closed space to increase a static pressure.

The reciprocating compressor is widely applied at present, the design of the central shaft as an important component of the reciprocating compressor in the reciprocating motion process is particularly important, and the driving mode is related.

Therefore, a new power driving method is needed to avoid the friction loss and improve the overall efficiency of the compressor.

Disclosure of Invention

In order to solve the problems, the invention provides a reciprocating power structure, a linear driving mode is adopted, a rotor structure is integrated, the volume of the driving structure is reduced, and in the whole power structure, a central shaft is positioned by adopting plate springs at two sides, the motion track is fixed, the friction is effectively avoided, and the motor efficiency is improved.

In order to achieve the purpose, the invention adopts the technical scheme that: a reciprocating power structure comprises a hard shaft rod body, an inner cylinder body, an outer cylinder body and a coil assembly, wherein the hard shaft rod body, the inner cylinder body, the outer cylinder body and the coil assembly are arranged from inside to outside;

the upper side and the lower side of the shaft rod body are both connecting ends, and the connecting ends are used for connecting the piston head;

the upper side of the shaft lever body is provided with at least two first locking rings, the lower side of the shaft lever body is provided with at least two second locking rings, and the first locking rings and the second locking rings are used for limiting the elastic sheet;

the shaft rod body is also fixedly provided with the outer cylinder body between the first locking ring and the second locking ring, and the outer cylinder body is a magnetic outer cylinder body and is of an open structure and is sleeved outside the inner cylinder body.

Further, the outer cylinder body comprises a connecting end and a magnetic end, and the connecting end and the shaft rod body are locked and fixed through bolts.

Furthermore, the magnetic end is provided with a permanent magnet on the cylinder body.

Further, the inner cylinder body is of a T-shaped structure and comprises a fixed end and a first connecting end.

Furthermore, the first connecting end is a soft magnetic end or is provided with a silicon steel sheet or a silicon steel sheet.

Further, the coil assembly includes a coil and a yoke structure disposed outside the coil.

Furthermore, the yoke structure is a soft magnetic yoke or a silicon steel yoke.

Further, the first locking rings are provided with three on the upper side.

Further, the second locking ring is provided with two on the lower side.

Further, the first locking ring and the second locking ring are both expansion sleeves.

Furthermore, an internal thread structure is arranged inside the connecting end, a connecting through hole is formed in the center shaft of the piston head, the top of the connecting through hole is a limiting end, and a locking bolt penetrates through the limiting end and is locked with the internal thread structure.

Furthermore, the elastic sheet is a circular plate spring structure, the upper circumference part of the elastic sheet is equally provided with at least four fixing through holes, and the center position of the elastic sheet is provided with a through hole.

In summary, the invention has the following advantages:

the invention provides a reciprocating power structure, which is a novel double-head compression type central shaft structure suitable for a reciprocating compressor, wherein the shaft lever is driven in the center and is in reciprocating linkage, the whole structure is reasonable, and the connection is convenient.

The invention adopts a linear driving mode, integrates the rotor structure, reduces the volume of the driving structure, adopts a double-side plate spring to position the central shaft in the whole power structure, has fixed motion track, effectively avoids friction and improves the efficiency of the motor.

The driving part of the invention adopts a magnetic driving mode, the coil is fixed, the motion trail of the central shaft lever is constant, the plate springs on the two sides can be effectively limited when being compressed transversely, reciprocating power is provided, reciprocating double-head compression can be realized, the compression efficiency is high, and the working efficiency of the motor is high.

Drawings

FIG. 1 is a schematic view of a central shaft configuration;

FIG. 2 is an enlarged schematic view of section A;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic view of the inner cylinder structure;

FIG. 5 is a schematic view of the structure of the outer cylinder;

fig. 6 is a schematic diagram of a spring plate structure.

Detailed Description

The invention is further described with reference to the following figures and examples:

example 1:

a reciprocating power structure is shown in figure 1-and comprises a hard shaft rod body 1, an inner cylinder body 7, an outer cylinder body 6 and a coil assembly 8 which are arranged from inside to outside.

The shaft rod body is preferably a metal shaft rod, more preferably a soft magnetic material, and has a better effect under the condition of dynamic magnetic driving, and of course, the rigidity of other materials can be satisfied.

The upper side and the lower side of the shaft lever body 1 are both connecting ends 2, and the connecting ends are used for connecting pistons.

Specifically, referring to fig. 2, the connecting end 2 is internally provided with an internal thread structure 21, and the piston head 3 is provided with a connecting through hole 31 on the central axis.

The top of the connecting through hole 31 is a limiting end 32, and a locking bolt 33 passes through the limiting end 32 and is locked with the internal thread structure 21, so that the piston head moves synchronously under the condition that the shaft rod body moves.

It should be noted that the connecting through hole 31 and the internal thread structure 21 are both located on the central axis of the respective structures, so that the central axis has a high degree of progress during movement, and friction is not easily generated.

The upper side of the shaft lever body 1 is provided with at least two first locking rings 4, the lower side of the shaft lever body is provided with at least two second locking rings 5, and an external cylinder body 6 is fixedly arranged between the first locking rings 4 and the second locking rings 5 of the shaft lever body 1.

Referring to the attached figure 1, the outer cylinder body 6 is a power source for the movement of a central shaft, the outer cylinder body 6 is a magnetic outer cylinder body and is of an open structure, the outer cylinder body is sleeved on the outer side of the inner cylinder body 7, the outer cylinder body and the inner cylinder body are coaxial but not in contact, and the outer cylinder body and the coil assembly act to generate movement through an ampere force principle.

In a specific fixing manner, the external cylinder 6 and the shaft body 1 are locked and fixed by bolts.

Of course, the connection by the expansion sleeve is also a fixing mode, and the details are not repeated herein.

With continued reference to the figures, the external cylinder 6 comprises a connecting end 61 and a magnetic end 62, in particular, the connecting end 6 is fastened to the shaft body 1 by bolts.

Further, the magnetic end 62 is provided with a permanent magnet 63 on the cylinder body, and the permanent magnet can be arranged outside the magnetic end and close to the coil, can be bonded in an adhesive manner and can be embedded into the coil, so that the overall design is compact, and the volume of the power structure is reduced.

With continued reference to fig. 1, the first locking ring 4 is provided with three on the upper side.

Further, the second locking ring 5 is provided with two on the lower side.

Further, the first locking ring 4 and the second locking ring 5 are both expansion sleeves.

The first locking ring and the second locking ring are arranged to fix the shaft body with the elastic sheet, the elastic sheet is preferably a plate spring, specifically, the elastic sheet 9 is a circular plate spring structure, at least four fixing through holes 91 are equally arranged on the upper circumference part, and a through hole 92 is arranged at the center position.

The axostylus axostyle body passes the perforating hole, and the upside is fixed by first lock ring 4, and is specific, and first upside is equipped with twice shell fragment 9.

The shell fragment downside is fixed by the second locking ring, is equipped with twice shell fragment, and moreover, two locking rings of downside, with the locking structure cooperation of outer cylinder body, fixed the shell fragment, can reduce cost.

The elastic sheets are in a fixed state relative to the whole compressor and are fixed with the shell of the compressor through the fixing through holes, and the elastic sheets arranged on the two sides position the central shaft on the two sides, so that the motion trail of the central shaft can only move on the central tracks of the two elastic sheets, and the motion precision of the central shaft is improved.

In a specific arrangement of the driving structure, the inner cylinder 7 is a T-shaped structure and includes a fixed end 71 and a first connection end 72, and the coil assembly 8 includes a coil 81 and a yoke structure 82 disposed outside the coil.

Further, the first connecting end 72 is a soft magnetic end or a silicon steel sheet is disposed thereon, and the yoke structure 82 is a soft magnetic yoke or a silicon steel sheet yoke.

The selection of the specific material can effectively reduce the loss of the motor iron core and improve the structural efficiency of the dynamic force.

To sum up, this scheme provides a reciprocating type power structure, and axostylus axostyle center drive, reciprocal linkage, overall structure is reasonable, connects the convenience, for being applicable to reciprocating compressor's novel double-end compression center pin structure.

This scheme adopts orthoscopic drive mode, with the active cell structure integration, has reduced the volume of drive structure, whole power structure moreover, and the center pin adopts two side leaf springs to fix a position, and the movement track is fixed, and the effectual friction of avoiding has improved motor efficiency.

This scheme drive division adopts the mode of magnetomotive, and the coil is fixed, and the movement track of center shaft pole is invariable, and the leaf spring of two sides can be effectual spacing when horizontal compression to provide reciprocal power, can realize reciprocal double-end compression, compression efficiency is high, and motor work efficiency is high.

The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.

Claims

1. A reciprocating power structure is characterized in that: comprises a hard shaft rod body (1), an inner cylinder body (7), an outer cylinder body (6) and a coil assembly (8) which are arranged from inside to outside;

the upper side and the lower side of the shaft rod body (1) are both provided with connecting ends (2), and the connecting ends (2) are used for connecting the piston heads (3);

the upper side of the shaft lever body (1) is provided with at least two first locking rings (4), the lower side of the shaft lever body is provided with at least two second locking rings (5), and the first locking rings (4) and the second locking rings (5) are used for limiting the elastic sheet (9);

the shaft rod body (1) is further fixedly provided with the outer cylinder body (6) between the first locking ring (4) and the second locking ring (5), and the outer cylinder body (6) is a magnetic outer cylinder body and is of an open structure and is sleeved on the outer side of the inner cylinder body (7).

2. The external cylinder body (6) comprises a connecting end (61) and a magnetic end (62), and the connecting end (61) and the shaft rod body (1) are locked and fixed through bolts.

3. The reciprocating power structure of claim 2, wherein: the magnetic end (62) is provided with a permanent magnet (63) on the cylinder body.

4. The reciprocating power structure of claim 1, wherein: the inner cylinder body (7) is of a T-shaped structure and comprises a fixed end (71) and a first connecting end (72).

5. The reciprocating power structure of claim 4, wherein: the first connecting end (72) is a soft magnetic end or a silicon steel sheet arranged on the soft magnetic end.

6. The reciprocating power structure of claim 1, wherein: the coil assembly (8) comprises a coil (81) and a yoke structure (82) arranged outside the coil.

7. The reciprocating power structure of claim 6, wherein: the yoke structure (82) is a soft magnetic yoke or a silicon steel sheet yoke.

8. The reciprocating power structure of claim 1, wherein: the number of the first locking rings (4) is three, and the number of the second locking rings (5) is two; the first locking ring (4) and the second locking ring (5) are both expansion sleeves.

9. The reciprocating power structure of claim 1, wherein: the connecting end (2) is internally provided with an internal thread structure (21), a connecting through hole (31) is formed in the center shaft of the piston head (3), the top of the connecting through hole (31) is a limiting end (32), and a locking bolt (33) penetrates through the limiting end (32) and is locked by the internal thread structure (21).

10. The reciprocating power structure of claim 1, wherein: the elastic sheet (9) is a circular plate spring structure, the upper circumference part of the elastic sheet is equally provided with at least four fixing through holes (91), and the center position of the elastic sheet is provided with a through hole (92).