CN107228062B

CN107228062B - Cam driving mechanism and double-cylinder air compressor system

Info

Publication number: CN107228062B
Application number: CN201710658267.3A
Authority: CN
Inventors: 鲍满腔; 吴福建
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-03
Filing date: 2017-08-03
Publication date: 2020-05-19
Anticipated expiration: 2037-08-03
Also published as: CN107228062A

Abstract

The invention provides a cam driving mechanism and a double-cylinder air compressor system, and belongs to reciprocating driving mechanisms. The cam driving mechanism comprises a first cam and a driving rod; the first cam comprises a first mounting ring, the driving rod is coaxially and circumferentially connected with the first mounting ring in a limiting manner, and a convex part with the extending direction parallel to the driving rod is mounted on the first mounting ring; the projection includes at least one projection. The cam structure can do periodic reciprocating motion under the condition of a rebound mechanism. A double-cylinder wind pressure machine system comprises one or more groups of double-cylinder assemblies and a cam driving mechanism; the double-cylinder assembly comprises two cylinder bodies which are coaxially connected, and the double-cylinder assembly is fixed between the first cam and the second cam; the double-cylinder assembly also comprises a connecting piece for connecting the two cylinder bodies, and a first abutting part for abutting against the first cam is fixedly arranged on the connecting piece; energy conservation and pressure and air quantity increase can be realized through the double-cylinder air compressor system.

Description

Cam driving mechanism and double-cylinder air compressor system

Technical Field

The invention relates to the field of reciprocating driving mechanisms, in particular to a cam driving mechanism and a double-cylinder air compressor system.

Background

At present, reciprocating type driving is often driven through a crank structure, the problems of single-handle driving and single-point stress exist, accidents are easily caused, and additional balance weight is needed, so that power consumption is wasted; if the combination of multiple cylinders, the problem is more serious.

Disclosure of Invention

The invention provides a cam driving mechanism and a double-cylinder air compressor system, and aims to solve the problems of the cam driving mechanism and the double-cylinder air compressor system in the prior art.

The invention is realized by the following steps:

a cam drive mechanism comprising a first cam and a drive rod;

the first cam comprises a first mounting ring, the driving rod is coaxially and circumferentially connected with the first mounting ring in a limiting manner, and a convex part with the extending direction parallel to the driving rod is mounted on the first mounting ring;

the projection includes at least one projection.

In a preferred embodiment of the present invention, the cam further includes a second cam, the second cam includes a second mounting ring, the second mounting ring is coaxial with the first mounting ring, a surface of the second mounting ring facing the first mounting ring is provided with a concave portion corresponding to the convex portion, and the concave portion includes a groove corresponding to the convex portion.

In a preferred embodiment of the present invention, the first cam and the second cam are fixedly connected by a connecting rod.

In a preferred embodiment of the invention, the drive rod is mounted on a face of the mounting ring remote from the boss.

In a preferred embodiment of the present invention, an end of the driving rod away from the first cam is connected to a driving assembly, and the driving assembly is used for driving the driving rod to move.

In a preferred embodiment of the present invention, the driving assembly includes an engine and a transmission assembly, the transmission assembly includes a driving wheel, a driven wheel and a conveyor belt, an output end of the engine is circumferentially and limitedly connected to the driving wheel, the driving wheel is engaged with the driven wheel through the conveyor belt, and the driven wheel is circumferentially and limitedly connected to an end of the driving rod away from the cam.

A double-cylinder wind pressure machine system comprises one or more groups of double-cylinder components and the cam driving mechanism;

the double-cylinder assembly comprises two cylinder bodies which are coaxially connected, the double-cylinder assembly comprises a first end and a second end which are oppositely arranged, and the first end and the second end are fixed between the first cam and the second cam;

the double-cylinder assembly further comprises a connecting piece for connecting the two cylinder bodies, wherein a first abutting part used for abutting against the first cam and a second abutting part used for abutting against the second cam are fixedly arranged on the connecting piece;

the connecting piece can promote the cylinder body produces the wind pressure.

In a preferred embodiment of the present invention, a first air passage for air intake or air discharge of the cylinder is provided on the connecting member.

In a preferred embodiment of the present invention, the first abutting portion includes a first link and a first abutting portion, the first abutting portion is circumferentially fixed, the first link is fixedly connected to the connecting member and the first abutting portion, and a first pulley is disposed at one end of the first abutting portion facing the first cam.

In a preferred embodiment of the present invention, the second abutting portion includes a second link member and a second abutting member, the second abutting member is circumferentially fixed, the second link member is fixedly connected to the connecting member and the second abutting member, and a second pulley is disposed at one end of the second abutting member facing the second cam.

The invention has the beneficial effects that: the cam driving mechanism provided by the invention can drive an object between the first cam and the second cam, wherein one side of the object is connected with the first cam in an abutting mode, and the other side of the object is connected with the second cam in an abutting mode to do reciprocating motion close to or far away from the first cam. And the convex part and the concave part are arranged on one side of the mounting ring, so that the first cam and the second cam piece can be provided with a plurality of movable pieces capable of reciprocating in the range of one circle of the mounting ring. The double-cylinder wind pressure machine system provided by the invention can horizontally place the double-cylinder assembly for working, so that the engine can do work without overcoming the gravity of the double-cylinder assembly, and the working efficiency is improved. And the arrangement of the first cam and the second cam enables one engine to simultaneously control a plurality of double-cylinder assemblies to work under a preset state, and the states of the double-cylinder assemblies can be complementary, so that the air volume and the pressure level of the air compressor are relatively fixed in the whole process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a cam actuation mechanism provided in accordance with an embodiment of the present invention from a first perspective;

FIG. 2 is a schematic structural diagram of a cam driving mechanism according to a second aspect of the present invention;

FIG. 3 is a schematic structural view of a first mounting ring and a first reinforcing disk provided by an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first cam provided in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a second mounting ring and a second reinforcing disk provided in accordance with an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a second cam provided in an embodiment of the present invention;

fig. 7 is a schematic structural view of a drive rod according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a first view of a dual cylinder air compressor system according to an embodiment of the present invention;

FIG. 9 is a partial enlarged view of area A of FIG. 8;

FIG. 10 is a schematic structural diagram of a second perspective of a dual cylinder air compressor system according to an embodiment of the present invention;

fig. 11 is a cross-sectional view of a folded dc cylinder provided by an embodiment of the present invention;

figure 12 is a cross-sectional view of a dual cylinder assembly provided in accordance with an embodiment of the present invention.

Icon: 001-double cylinder wind pressure machine system; 010-cam drive mechanism; 030-a two cylinder assembly; 031-a first end; 033-second end; 100-a first cam; 110-a first mounting ring; 130-a first reinforcement disc; 131-mounting holes; 133-a first keyway; 150-a convex part; 151-bumps; 200-a second cam; 210-a second mounting ring; 230-a second reinforcement disc; 231-connecting holes; 233-third keyway; 250-a recess; 251-a groove; 300-a drive rod; 301-a second keyway; 310-a mounting head; 400-a connecting rod; 500-a drive assembly; 510-an engine; 531-driving wheel; 533-driven wheel; 600-a folding direct current cylinder body; 610-telescoping tubes; 611 — a first sealing plate; 613-second sealing plate; 615-gas storage space; 630-a suction valve; 650-exhaust valve; 710-a windbox; 711-third end; 713-a fourth end; 715-air vent; 730-edge; 800-a guide mechanism; 810-a first fixture; 811-a first via; 830-a first linkage; 831-strut; 850-a second fixture; 851-second guide hole; 870 — a second linkage member; 910-a first abutment; 930 — a first pulley; 950-a second abutment; 970 — second pulley.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. 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.

Example one

The present embodiment provides a cam driving mechanism 010, and referring to fig. 1 and 2, the cam driving mechanism 010 includes a first cam 100, a second cam 200, and a driving lever 300.

Referring to fig. 3, 4 and 7, the first cam 100 includes a first mounting ring 110, a first reinforcing plate 130 is disposed in the first mounting ring 110, and in the present embodiment, the first reinforcing plate 130 and the first mounting ring 110 are integrally formed. A mounting hole 131 is provided at the center of the first reinforcement disk 130, and the mounting hole 131 has a first key groove 133 extending in a radial direction of the mounting hole 131. The driving rod 300 is matched with the mounting hole 131, the second key groove 301 is formed in the driving rod 300, the first connecting key is inserted into the second key groove 301, and after the driving rod 300 is inserted into the mounting hole 131, the driving rod 300 and the first cam 100 are in circumferential limiting connection through the matching of the first connecting key, the first key groove 133 and the second key groove 301.

The first cam 100 is provided with a protrusion 150 on a surface thereof remote from the driving lever 300, and in the present embodiment, the protrusion 150 includes a projection 151 having a smooth surface. The projection 151 extends in a direction parallel to the direction of the driving lever 300.

Referring to fig. 5 and 6, the second cam 200 is disposed on an extension line of the projection 151 of the first cam 100, the second cam 200 includes a second mounting ring 210, and the second mounting ring 210 is coaxial with the first mounting ring 110. A second reinforcing disc 230 is disposed within the second mounting ring 210, and in this embodiment, the second reinforcing disc 230 and the second mounting ring 210 are integrally formed. The second cam 200 is provided with a recess 250 on its side facing the first cam 100. In this embodiment, the recess 250 includes a groove 251 that mates with the protrusion 151, i.e., when the protrusion 150 and the recess 250 are tightly coupled, the protrusion 150 and the recess 250 form a complete circular cylinder.

The driving rod 300 passes through the first reinforcing plate 130 and extends out from the side where the boss 150 is installed, a mounting head 310 is provided at the end of the driving rod 300 extending out of the first reinforcing plate 130, and an external thread is provided outside the mounting head 310. A coupling hole 231 is provided at the center of the second reinforcement disk 230, and the coupling hole 231 has a third key groove 233. The first cam 100 and the second cam 200 are connected through a connecting rod 400, one end of the connecting rod 400 is provided with a threaded hole (not shown in the figure), an internal thread is arranged in the threaded hole, the mounting head 310 is in threaded connection with the threaded hole, and after the mounting head 310 is screwed to the top end, the first cam 100 and the connecting rod 400 are in single-direction circumferential limit connection. The end of the connecting rod 400 far away from the threaded hole is provided with a fourth key groove (not shown in the figure), after the second connecting key is accommodated in the fourth key groove, the end of the connecting rod 400 far away from the threaded hole is inserted into the connecting hole 231, and the connecting rod 400 is connected with the second cam 200 in a circumferential limiting manner through the abutting of the second connecting key and the third key groove 233.

The end of the driving rod 300 remote from the first cam 100 is connected to a driving assembly 500. in this embodiment, the driving assembly 500 includes a motor 510 and a transmission assembly, which includes a driving wheel 531, a driven wheel 533 and a transmission belt (not shown). The driving rod 300 is coaxially and fixedly connected with the driven wheel 533, the output end of the driving rod 300 is coaxially and fixedly connected with the driving wheel 531, and the driving wheel 531 is connected with the driven wheel 533 in a matched mode through a conveying belt.

The first cam 100 and the second cam 200 can be rotated in synchronization by the motor 510.

The number of the protrusions 151 may be not only one, but also two, three or other, and may be adjusted according to the sizes of the first and second mounting rings 110 and 210. The top profile of each projection 151 towards the second mounting ring 210 needs to be smooth to improve the overall life of the cam drive system. And in the case of not having the second cam 200, the first cam 100 may drive the movable member to reciprocate by gravity or a rebound mechanism.

The cam driving mechanism 010 provided by the invention can drive an object between the first cam 100 and the second cam 200, wherein one side of the object is abutted against the first cam 100, and the other side of the object is abutted against the second cam 200 to reciprocate close to or far away from the first cam 100. And the structure of the convex part 150 and the concave part 250 arranged on one side of the mounting ring enables the first cam 100 and the second cam 200 to be provided with a plurality of movable parts capable of reciprocating in the range of one circle of the mounting ring.

Example two

Referring to fig. 8, the cam driving mechanism 010 includes a two-cylinder assembly 030 and the cam driving mechanism 010 provided in the first embodiment.

The double cylinder assembly 030 comprises two coaxially connected cylinders. In the present embodiment, the cylinder is a folded direct current cylinder 600.

The folding cylinder 600 includes a bellows 610, an intake valve 630 and an exhaust valve 650.

Referring to fig. 11, the extension tube 610 is an organ extension tube 610, and the extension tube 610 includes a first opening and a second opening, and the first opening and the second opening are disposed opposite to each other. A first sealing plate 611 is disposed on the first opening, the first sealing plate 611 sealing the periphery of the first opening, a second sealing plate 613 is disposed on the second opening, and the second sealing plate 613 sealing the periphery of the second opening. The extension tube 610, the first sealing plate 611 and the second sealing plate 613 together form an air storage space 615, and the size of the air storage space 615 can be changed by extension and contraction of the extension tube 610. A suction valve 630 is provided on the first sealing plate 611, and a discharge valve 650 is provided on the second sealing plate 613.

The size of the gas storage space 615 can be reduced by compressing the first sealing plate 611 close to the second sealing plate 613 or compressing the second sealing plate 613 close to the first sealing plate 611, so that the gas in the gas storage space 615 can be pressed out of the gas storage space 615 through the vent valve 650. The size of the gas storage space 615 can be enlarged by stretching the first sealing plate 611 away from the second sealing plate 613 or stretching the second sealing plate 613 away from the first sealing plate 611, so that the gas outside the gas storage space 615 is sucked into the gas storage space 615 through the suction valve 630.

Referring to fig. 8 and 12, one of the folding direct current cylinders 600 is a first cylinder, and the other folding direct current cylinder 600 is a second cylinder. The first sealing plate 611 of the first cylinder body is fixedly connected with the first sealing plate 611 of the second cylinder body through a connecting piece. The double cylinder assembly 030 includes oppositely disposed first and second ends 031 and 033.

Referring to fig. 8, 9 and 10, in the present embodiment, the connecting member includes a bellows 710, the first cylinder and the second cylinder are connected by the bellows 710, and the bellows 710 includes a third end 711 and a fourth end 713 disposed opposite to each other and each side end connecting the third end 711 and the fourth end 713. The first cylinder is connected to the third end 711, the second cylinder is connected to the fourth end 713, a first air passage is formed inside the bellows 710, the first air passage is communicated with the air storage space 615 of the first cylinder through the suction valve 630 of the first cylinder, and the first air passage is communicated with the air storage space 615 of the second cylinder through the suction valve 630 of the second cylinder. An exhaust hole 715 is provided on one of side ends of the bellows 710. By moving the bellows 710, the first cylinder can be made to suck air while the second cylinder is made to discharge air, or the second cylinder can be made to suck air while the first cylinder is made to discharge air. That is, the dual cylinder assembly 030 enables the bellows 710 to move throughout with one collapsible dc cylinder 600 being on intake and one collapsible dc cylinder 600 being on exhaust.

A guide mechanism 800 is provided on a side end opposite to the exhaust hole 715. In this embodiment, the guide mechanism 800 includes a first stationary member 810, a first linkage member 830, a second stationary member 850, and a second linkage member 870. The bellows 710 is further fixedly provided with a rim 730 at an end thereof adjacent to the first cylinder, a first linkage member 830 is fixedly attached to a side of the rim 730 facing the first cam 100, and a second linkage member 870 is fixedly attached to a first side of the rim 730 facing the second cam 200. The first fixing member 810 fixes the first end 031, the second fixing member 850 fixes the second end 033, the first fixing member 810 is provided with a first guide hole 811 for the first linkage member 830 to pass through, and the second fixing member 850 is provided with a second guide hole 851 for the second linkage member 870 to pass through. Since first and

second links

830 and 870 are formed of struts 831 that are axially parallel to double cylinder assembly 030, bellows 710 is moved in the axial direction of double cylinder assembly 030 by the guidance of first and

second links

830 and 870.

A first abutting member 910 is disposed at an end of the first linkage 830 far from the bellows 710, a first pulley 930 is disposed at an end of the first abutting member 910 far from the first linkage 830, the first pulley 930 abuts against the first cam 100, and the first pulley 930 is slidable on a surface of the boss 150 near the double cylinder assembly 030. A second abutment 950 is disposed at an end of the second linkage 870 away from the bellows 710, a second pulley 970 is disposed at an end of the second abutment 950 away from the second linkage 870, the second pulley 970 abuts against the second cam 200, and the second pulley 970 can slide on a surface of the recess 250 adjacent to the double cylinder assembly 030. Because the convex part 150 and the concave part 250 are correspondingly arranged, the distances from the corresponding point of the convex part 150 to the corresponding point of the concave part 250 of each line which is parallel to the axial direction of the double-cylinder assembly 030 are equal (when the convex part 150 and the concave part 250 are tightly combined, the convex part 150 and the concave part 250 form a complete circular column), therefore, the bellows 710 moves close to the first cam 100 or away from the first cam 100 according to the profile of the cam while the first pulley 930 rolls on the first cam 100; and the first pulley 930 rolls one turn on the first cam 100, the bellows 710 and completes one cycle of motion.

In this embodiment, to accomplish the suction or discharge of the double cylinder assembly 030, a second air passage is provided where the first and second fixing

members

810 and 850 are connected to the double cylinder assembly 030.

In the present embodiment, four double cylinder assemblies 030 are arranged side by side in the first cam 100 and the second cam 200, and the four double cylinder assemblies 030 circulate between the convex portion 150 and the concave portion 250 to form a non-intermittent high-efficiency double air compression system. In other embodiments, multiple double cylinder assemblies 030 may be arranged in series between the male portion 150 and the female portion 250, and the connections of the multiple double cylinder assemblies 030 in series may be relatively fixed.

Through the double-cylinder air compressor system 001 provided by the invention, the double-cylinder assembly 030 can be horizontally placed for working, so that the engine 510 can work without overcoming the gravity of the double-cylinder assembly 030, and the working efficiency is improved. And the arrangement of the first cam 100 and the second cam 200 enables one engine 510 to simultaneously control a plurality of double cylinder assemblies 030 to operate under a predetermined condition, and the conditions of the double cylinder assemblies 030 are complementary to each other, so that the pressure and air volume level of the air compressor are relatively constant in the whole process.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cam drive mechanism comprising a first cam and a drive rod;

the projection comprises at least one projection;

the cam driving mechanism further comprises a second cam, the second cam comprises a second mounting ring, the second mounting ring is coaxial with the first mounting ring, a concave part corresponding to the convex part is arranged on one surface, facing the first mounting ring, of the second mounting ring, the concave part comprises a groove corresponding to the convex part, and the convex part and the concave part corresponding to the convex part are tightly combined to form a complete circular ring column.

2. The cam-drive mechanism of claim 1, wherein the first cam and the second cam are fixedly connected by a connecting rod.

3. A cam drive mechanism according to claim 1, wherein the drive rod is mounted on a face of the first mounting ring remote from the lobe.

4. The cam drive mechanism of claim 1, wherein an end of the drive rod remote from the first cam is connected to a drive assembly for driving the drive rod in motion.

5. The cam driving mechanism according to claim 4, wherein the driving assembly comprises a motor and a transmission assembly, the transmission assembly comprises a driving wheel, a driven wheel and a conveyor belt, an output end of the motor is in circumferential limit connection with the driving wheel, the driving wheel and the driven wheel are matched through the conveyor belt, and the driven wheel is in circumferential limit connection with one end of the driving rod, which is far away from the first cam.

6. A dual cylinder wind press system comprising one or more dual cylinder assemblies and a cam drive mechanism as claimed in any one of claims 1 to 5;

the cylinder body is a folding direct-current cylinder body, the folding direct-current cylinder body comprises a first opening and a second opening which are oppositely arranged, a first sealing plate is arranged on the folding direct-current cylinder body and the first opening, and a second sealing plate is arranged on the second opening to enclose an air storage space;

the connecting piece can promote the cylinder body produces the wind pressure.

7. The dual cylinder air compressor system of claim 6, wherein a first air passage is provided on the connector for the cylinder to intake or exhaust air.

8. The double-cylinder air compressor system as claimed in claim 6, wherein the first abutting portion comprises a first link member and a first abutting member, the first abutting member is circumferentially fixed, the first link member is fixedly connected with the connecting member and the first abutting member, and a first pulley is disposed at one end of the first abutting member facing the first cam.

9. The two-cylinder air compressor system according to claim 6, wherein the second abutting portion comprises a second link member and a second abutting member, the second abutting member is circumferentially fixed, the second link member is fixedly connected with the connecting member and the second abutting member, and a second pulley is disposed at one end of the second abutting member facing the second cam.