CN110836173A - Novel swash plate type automobile air conditioner compressor - Google Patents
Novel swash plate type automobile air conditioner compressor Download PDFInfo
- Publication number
- CN110836173A CN110836173A CN201911304081.3A CN201911304081A CN110836173A CN 110836173 A CN110836173 A CN 110836173A CN 201911304081 A CN201911304081 A CN 201911304081A CN 110836173 A CN110836173 A CN 110836173A
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- China
- Prior art keywords
- compressor
- swash plate
- piston
- main shaft
- cylinder body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0804—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B27/0821—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
- F04B27/086—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0804—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B27/0821—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
- F04B27/086—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate
- F04B27/0865—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate swash plate bearing means or driving axis bearing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/20—Control of pumps with rotary cylinder block
- F04B27/22—Control of pumps with rotary cylinder block by varying the relative positions of a swash plate and a cylinder block
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a novel inclined disc type automobile air-conditioning compressor, which belongs to the technical field of compressor manufacturing and comprises a compressor cylinder body, wherein one end of the compressor cylinder body is connected with a compressor main shaft through a bearing seat, one end of the compressor main shaft is positioned outside the compressor cylinder body and is connected with a belt pulley, the other end of the compressor main shaft extends into the compressor cylinder body and is connected with an integral inclined disc, the integral inclined disc comprises a pressure plate and inclined bearings arranged in the pressure plate, arranging grooves for installing piston bodies are uniformly distributed on the pressure plate along the circumferential direction, one side of each inclined bearing is connected with the compressor main shaft for driving the inclined bearings to rotate, and the other side of each inclined bearing is in rolling. According to the invention, the pressure plate and the inclined bearing are designed into an integral structure, the integral structure is more compact after optimization, the optimized inclined bearing applies force to the pressure plate through the balls, the pressure plate and the inclined bearing generate rolling friction, the friction resistance is reduced, the stability of the compressor is improved, and the service life of the compressor is prolonged.
Description
Technical Field
The invention belongs to the technical field of compressor manufacturing, and particularly relates to a novel swash plate type automobile air conditioner compressor.
Background
The automobile air conditioner compressor is a heart of a refrigeration system, provides power for refrigeration, lifts low-pressure gas to high-pressure gas, and plays a role in compressing and conveying refrigerant steam, wherein the compressor is widely applied to the swash plate type automobile air conditioner compressor.
The swash plate structure of the existing compressor and the piston plate are installed in a split mode, the piston plate is installed at the bottom of the cylinder body, the swash plate is installed on the surface of the piston plate, the main shaft drives the swash plate to rotate, and the swash plate floats left and right through the piston plate so as to realize reciprocating linear motion of the piston in the cylinder body. In the rotating process of the swash plate, the contact between the swash plate and the piston plate is surface contact, sliding friction force is generated, the friction resistance is large, and the abrasion is fast.
Disclosure of Invention
The invention aims to provide a novel swash plate type automobile air-conditioning compressor, which is a device for optimizing the structure of a swash plate and solves the problems that when a piston in the conventional compressor reciprocates in a linear manner in a cylinder body, the friction resistance of the sliding friction force between the swash plate and a piston plate is large, and the wear of the swash plate is rapid.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a novel swash plate formula vehicle air conditioner compressor, includes the compressor cylinder body, compressor cylinder body one end is passed through the bearing frame and is connected the compressor main shaft, compressor main shaft one end is located the compressor cylinder body and is connected with the belt pulley, and the other end of compressor main shaft stretches into in the compressor cylinder body and be connected with integral sloping cam plate, integral sloping cam plate includes the pressure disk and installs the angular bearing in the pressure disk, the pressure disk has the resettlement groove that is used for installing the piston body along the circumference equipartition, angular bearing one side is connected with drive angular bearing pivoted compressor main shaft, and the spherical roll of the spherical shaft in angular bearing opposite side and the compressor cylinder body is connected, and the axis and the compressor main.
Furthermore, a row of balls are distributed in a middle groove of the excircle of the inclined bearing, and the balls are in contact connection with the inner surface spherical surface of the pressure plate.
Furthermore, the one end that compressor main shaft and bearing diagonal are connected sets up the connecting key, be equipped with the keyway that matches with the connecting key on the bearing diagonal, compressor main shaft and bearing diagonal key-type connection.
Further, the piston body comprises a steel ball, a connecting rod and a piston, the steel ball is arranged in the mounting groove and connected with the piston at one end through the connecting rod, and the other end of the piston extends into the piston groove in the compressor cylinder body and moves relative to the piston groove under the action of the pressure plate.
Further, the compression cylinder further comprises a top cover, and the top cover is connected with the compression cylinder body through bolts.
Further, the spherical shaft is installed in an inner hole at the bottom of the compressor main body through a shaft sleeve.
Further, 7 groups of arrangement grooves for installing the piston body are uniformly distributed on the press disc along the circumferential direction.
Compared with the prior art, the invention has the beneficial effects that: in addition, the effective stroke of a piston can be changed by changing the inclination angle of the integral swash plate, so that the displacement of the compressor is changed, namely the inclination angle of the swash plate is reduced, the piston stroke is shortened, and the displacement of the compressor is reduced, or vice versa.
Drawings
FIG. 1 is a sectional view showing the internal structure of a compressor cylinder according to the present invention;
FIG. 2 is a cross-sectional view of the integral swash plate of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a right side view of the integral swash plate of the present invention;
in the figure: compressor cylinder 100, piston groove 101, bearing seat 200, compressor main shaft 300, belt pulley 400, integral swash plate 500, pressure plate 501, inclined bearing 502, ball 503, spherical shaft 600, piston body 700, steel ball 701, connecting rod 702, piston 703, top cover 800 and shaft sleeve 900.
Detailed Description
In order that those skilled in the art will better understand the present invention, the invention will now be further described with reference to the following specific embodiments:
as shown in fig. 1 to 4, a novel swash plate type automobile air conditioner compressor comprises a compressor cylinder body 100 and a top cover 800, wherein the top cover 800 is connected with the compressor cylinder body 100 through bolts. The bottom end of the compressor cylinder body 100 is connected with the compressor main shaft 300 through the bearing seat 200, the compressor main shaft 300 is installed inside a bearing of the bearing seat 200, the outer ring of the bearing is fixed, and the inner ring rotates together with the compressor main shaft 300. One end of a compressor main shaft 300 is located outside a compressor cylinder body 100 and connected with a belt pulley 400, the other end of the compressor main shaft 300 extends into the compressor cylinder body 100 and is connected with an integral swash plate 500, the integral swash plate 500 comprises a pressure plate 501 and an inclined bearing 502 installed in the pressure plate 501, installation grooves for installing piston bodies 700 are uniformly distributed in the circumferential direction of the pressure plate 501, each piston body 700 comprises a steel ball 701, a connecting rod 702 and a piston 703, 7 groups of installation grooves for installing the piston bodies 700 are uniformly distributed in the circumferential direction of the pressure plate 501 in the embodiment, each group of installation grooves is connected with the corresponding piston body 700 through the steel ball 701, the steel balls 701 are locked inside the installation grooves of the pressure plate 501 and can rotate freely, and the steel balls 701 are connected with the pistons 703 through the. One side of the inclined bearing 502 is connected with the compressor main shaft 300 which drives the inclined bearing 502 to rotate, the other side of the inclined bearing 502 is connected with the spherical surface of the spherical shaft 600 in the compressor cylinder 100 in a rolling manner, the axis of the spherical shaft 600 is consistent with the axis of the compressor main shaft 300, the spherical shaft 600 is installed in the inner hole at the bottom of the compressor cylinder 100 through a shaft sleeve 900, and the shaft sleeve 900 is in clearance fit with the spherical shaft 600.
The piston body 700 comprises a steel ball 701, a connecting rod 702 and a piston 703, the steel ball 701 is arranged in the arrangement groove, the steel ball 701 is connected with the piston 703 at one end through the connecting rod 702, the other end of the piston 703 extends into the piston groove 101 on the compressor cylinder body 100 and reciprocates linearly relative to the piston groove 101 under the action of the pressure plate 501.
Specifically, the compressor main shaft 300 is installed inside a bearing of the bearing seat 200, the bearing outer ring is fixed and is in clearance fit with the bearing seat 200, the bearing inner ring rotates along with the compressor main shaft 300, the axis of the spherical shaft 600 is consistent with the axis of the compressor main shaft 300, and the spherical surface of the spherical shaft 600 and the inclined bearing 502 are in spherical surface abutting contact to prevent the inclined bearing 502 from moving axially. The end that compressor main shaft 300 and angular bearing 502 are connected sets up the connecting key, is equipped with the keyway that matches with the connecting key on the angular bearing 502, and compressor main shaft 300 and angular bearing 502 key-type connection.
A row of balls 503 are distributed in the middle groove of the excircle of the inclined bearing 502, and the balls 503 are in spherical contact connection with the inner surface of the pressure plate 501.
The compressor main shaft 300 drives the inclined bearing 502 to rotate together, the inclined bearing 502 and the ball 503 rotate in a rolling friction mode, when the inclined bearing 502 rotates, the ball 503 presses the inner surface of the pressure plate 501 in a pressing mode, the integral inclined plate is driven to float up and down along the circumferential direction, meanwhile, the outer edge of the pressure plate 501 is driven to change the axial direction continuously, the piston 703 is pushed to perform reciprocating linear motion in the piston groove 101 in the compressor cylinder 100, and compression and conveying of refrigerants are achieved. Additionally, by varying the angle of inclination of the integral swash plate 500, the effective stroke of the pistons 703 relative to the piston channels 101 can be varied, thereby varying the compressor displacement, i.e., the swash plate angle decreases, the piston stroke becomes shorter, the compressor displacement decreases, and vice versa.
The specific working principle is as follows: the driving mechanism drives the belt pulley 400 to rotate, the belt pulley 400 drives the compressor main shaft 300 to rotate, and further drives the inclined bearing 502 to rotate, when the inclined bearing 502 rotates, the pressure on the balls 503 at different positions is different, the force exerted by the balls 503 at different positions on the pressure plate 501 is different, and further the outer edge of the integral swash plate 500 is forced to continuously change the axial direction, and further the pressure plate 501 pushes the piston body 700 to perform reciprocating linear motion inside the piston groove 101. 7 groups of piston body 700 containing grooves are uniformly distributed on the integral swash plate 500 along the circumferential direction, in the process of the movement of the piston 703, the gas volume at one end is reduced, the refrigerant is compressed, the pressure is increased, the exhaust valve is opened, the pressure is discharged, meanwhile, the gas volume at the other corresponding end is increased, the pressure is reduced, the intake valve is opened, the refrigerant is sucked into the cylinder, and thus, one cycle of the compression, the exhaust and the suction of the compressor is completed (the air inlet and the air outlet are not shown in the figure).
In addition, the effective stroke of a piston can be changed by changing the inclination angle of the integral swash plate, so that the displacement of the compressor is changed, namely the inclination angle of the swash plate is reduced, the piston stroke is shortened, and the displacement of the compressor is reduced, or vice versa.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a novel swash plate formula vehicle air conditioner compressor, includes the compressor cylinder body, compressor cylinder body one end is passed through the bearing frame and is connected compressor main shaft, its characterized in that: the compressor is characterized in that one end of the compressor main shaft is located outside the compressor cylinder body and connected with the belt pulley, the other end of the compressor main shaft extends into the compressor cylinder body and is connected with the integral swash plate, the integral swash plate comprises a pressure plate and an inclined bearing installed in the pressure plate, the pressure plate is uniformly provided with a mounting groove used for installing a piston body along the circumferential direction, one side of the inclined bearing is connected with the compressor main shaft which drives the inclined bearing to rotate, the other side of the inclined bearing is connected with the spherical surface of a spherical shaft in the compressor cylinder body in a rolling mode, and the axis of the spherical shaft is.
2. The novel swash plate type automotive air conditioning compressor as claimed in claim 1, wherein: a row of balls are distributed in the middle groove of the excircle of the inclined bearing, and the balls are in contact connection with the inner surface spherical surface of the pressure plate.
3. The novel swash plate type automotive air conditioning compressor as claimed in claim 2, wherein: the compressor is characterized in that a connecting key is arranged at one end, connected with the inclined bearing, of the compressor main shaft, a key groove matched with the connecting key is formed in the inclined bearing, and the compressor main shaft is connected with the inclined bearing in a key mode.
4. The novel swash plate type automotive air conditioning compressor of claim 3, wherein: the piston body comprises a steel ball, a connecting rod and a piston, the steel ball is arranged in the mounting groove and is connected with the piston at one end through the connecting rod, and the other end of the piston extends into the piston groove in the compressor cylinder body and moves relative to the piston groove under the action of the pressure plate.
5. The novel swash plate type automotive air conditioning compressor according to claim 4, characterized in that: the compression cylinder further comprises a top cover, and the top cover is connected with the compression cylinder body through bolts.
6. The novel swash plate type automotive air conditioning compressor according to claim 5, wherein: the spherical shaft is installed in an inner hole at the bottom of the compressor main body through a shaft sleeve.
7. The novel swash plate type automotive air conditioning compressor according to claim 6, characterized in that: and 7 groups of mounting grooves for mounting the piston body are uniformly distributed on the pressure plate along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304081.3A CN110836173A (en) | 2019-12-17 | 2019-12-17 | Novel swash plate type automobile air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304081.3A CN110836173A (en) | 2019-12-17 | 2019-12-17 | Novel swash plate type automobile air conditioner compressor |
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| Publication Number | Publication Date |
|---|---|
| CN110836173A true CN110836173A (en) | 2020-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911304081.3A Pending CN110836173A (en) | 2019-12-17 | 2019-12-17 | Novel swash plate type automobile air conditioner compressor |
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| CN (1) | CN110836173A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125105A (en) * | 2020-08-24 | 2020-12-25 | 杭州新马电梯有限公司 | Center opening door steel belt elevator |
-
2019
- 2019-12-17 CN CN201911304081.3A patent/CN110836173A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125105A (en) * | 2020-08-24 | 2020-12-25 | 杭州新马电梯有限公司 | Center opening door steel belt elevator |
| CN112125105B (en) * | 2020-08-24 | 2022-03-11 | 杭州新马电梯有限公司 | Center opening door steel belt elevator |
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| PB01 | Publication | ||
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Application publication date: 20200225 |