Camshaft compressor and engine assembly with same

Abstract

The invention discloses a camshaft compressor and an engine assembly with the camshaft compressor. The compressor comprises a first shell, a first cam, a main shaft, a first movable baffle and a first spring. The interior of the first shell is hollow to form a first cam bin, the first cam is arranged in the bin and comprises a wheel body part and a protruding part, the main shaft is connected with the wheel body part, and the protruding part abuts against the inner wall of the bin. The first movable baffle abuts against the outer wall of the cam under the action of the spring, and the closed space is divided into a compression chamber and an exhaust chamber. The shell is provided with an air inlet and an air outlet which are communicated with the compression chamber and the air exhaust chamber respectively. Compared with the prior art, the compressor is compact in structure, small in size and suitable for space-limited scenes; design is simple, parts are few, the failure rate is low, reliability is high, manufacturing and maintenance are easy, and the service life is long; the compression efficiency is high and the energy consumption is low; operation is stable, and vibration and noise are small; by adopting a modular design, the device can be independently used or combined with other devices to provide compressed gas for other devices.

Description

Technical Field

[0001] The present invention relates to the field of compressors, and in particular to a camshaft compressor and an engine assembly having the same. Background Art

[0002] In the prior art, a common type of compressor is a piston compressor, which has the following disadvantages: 1. Complex structure, many parts, and high manufacturing and maintenance costs; 2. The piston compressor has a clearance volume, which leads to reduced compression efficiency and high energy consumption; 3. Due to the reciprocating motion, the piston compressor is prone to vibration and noise, affecting the smoothness of operation; 4. The device is large in size and requires a large installation space, which is not suitable for compact application scenarios. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a camshaft compressor and an engine assembly having the same.

[0004] The technical solution of the present invention is as follows: A camshaft compressor, characterized in that it comprises: a first housing, a first cam, a main shaft, a first movable baffle and a first spring;

[0005] The first housing is hollow inside to form a first cam chamber, the first cam is rotatably arranged in the first cam chamber, the first cam includes a first wheel body and a first protrusion arranged on the outer peripheral wall of the first wheel body, the main shaft is rotatably mounted on the first housing and extends into the first cam chamber to be connected with the first wheel body, and the first protrusion abuts against the inner peripheral wall of the first cam chamber;

[0006] The first movable baffle is slidably disposed at the inner peripheral wall of the first cam chamber and is always in contact with the outer peripheral wall of the first cam under the action of the first spring. The first movable baffle divides a closed space enclosed by the first cam and the first cam chamber into a compression chamber on the upstream side and a first exhaust chamber on the downstream side.

[0007] The first cam chamber is provided with a first air inlet and a first exhaust port, the first air inlet is communicated with the compression chamber, and the first exhaust port is communicated with the first exhaust chamber.

[0008] Furthermore, a first baffle bin is provided on the first shell, the first baffle bin is connected to the first cam bin, the first spring is provided in the first baffle bin, a part of the first movable baffle is provided in the first baffle bin and connected to the first spring, and the other part is located in the first cam bin and abuts against the outer peripheral wall of the first cam.

[0009] Furthermore, a first roller is provided at one end of the first movable baffle plate close to the outer peripheral wall of the first cam, and the first roller abuts against the outer peripheral wall of the first cam.

[0010] Furthermore, a first lubricating oil through hole is provided on the first movable baffle, and the first lubricating oil through hole is used to guide the lubricating oil to the first roller.

[0011] Furthermore, a plurality of first protrusions are evenly arranged on the first wheel body in a circumferential direction, and a plurality of first movable baffles, first air inlets and first exhaust ports corresponding to the first protrusions are arranged on the first cam chamber.

[0012] An engine assembly, characterized in that it comprises the above-mentioned camshaft compressor and camshaft engine;

[0013] The camshaft engine comprises a second housing, a second cam, a second movable baffle, a second spring, an ignition device and an oil supply device;

[0014] The second housing is connected to the first housing, the interior of the second housing is hollow to form a second cam chamber, the second cam is rotatably arranged in the second cam chamber, the second cam includes a second wheel body and a second protrusion arranged on the outer peripheral wall of the second wheel body, the second protrusion abuts against the inner peripheral wall of the second cam chamber, and the main shaft passes through the second housing and is connected to the second wheel body;

[0015] The second movable baffle is slidably arranged at the inner peripheral wall of the second cam chamber and is always in contact with the outer peripheral wall of the second cam under the action of the second spring. At this time, the second movable baffle divides a group of closed spaces enclosed by the second cam and the second cam chamber into a combustion chamber on the upstream side and a second exhaust chamber on the downstream side;

[0016] The second cam chamber is provided with an input port and a second exhaust port, the input port is communicated with the combustion chamber, the input port is connected with the first exhaust port through a pipeline, and the second exhaust port is communicated with the second exhaust chamber;

[0017] The ignition device is used for igniting the combustion chamber, and the oil supply device is used for injecting oil into the combustion chamber through the input port.

[0018] Furthermore, a second baffle bin is provided on the second shell body, the second baffle bin is connected to the second cam bin, the second spring is provided in the second baffle bin, a part of the second movable baffle is provided in the second baffle bin and connected to the second spring, and the other part is located in the second cam bin and abuts against the outer peripheral wall of the second cam.

[0019] Furthermore, a second roller is provided at one end of the second movable baffle plate close to the outer peripheral wall of the second cam, the second roller abuts against the outer peripheral wall of the second cam, and a second lubricating oil through hole is provided on the second movable baffle plate, and the second lubricating oil through hole is used to guide the lubricating oil to the second roller.

[0020] Furthermore, a plurality of second protrusions are evenly arranged on the circumferential direction of the second wheel body, and a plurality of second movable baffles, an input port and a second exhaust port corresponding to the second protrusions are arranged on the second cam chamber.

[0021] Furthermore, the first housing includes a hollow first cam housing and first side housings provided on both axial sides of the first cam housing, and the first cam housing and the first side housings on both sides together define the first cam chamber;

[0022] The second housing comprises a hollow second cam housing and second side housings arranged on both axial sides of the second cam housing, and the second cam housing and the second side housings on both sides together define the second cam chamber;

[0023] The first side shell and the second side shell are respectively provided with an axial hole for the main shaft to pass through, and a first side shell in the first shell is fixedly connected to a second side shell in the second shell.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The structure is simple and compact, the equipment is small, and it is suitable for application scenarios with limited space;

[0026] 2. Simple design, few parts, low failure rate, high reliability, easy to manufacture and maintain, and long service life;

[0027] 3. High compression efficiency, high compression efficiency and low energy consumption;

[0028] 4. Smooth operation, even rotation of the cam, low vibration and noise, and stable operation;

[0029] 5. The overall design is modular. The camshaft compressor can be used alone or in combination with other devices to provide compressed gas for other devices.

[0030] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0032] Figure 1 is a schematic diagram of a camshaft compressor of the present invention;

[0033] Figure 2 is a schematic diagram of an engine assembly of the present invention;

[0034] Figure 3 is a schematic diagram of a camshaft engine of the present invention;

[0035] Reference numerals:

[0036] 1. first housing; 11. first cam chamber; 12. first air inlet; 13. first exhaust port; 14. first baffle chamber; 15. first cam housing; 16. first side housing;

[0037] 2. first cam; 21. first wheel body; 22. first protruding portion;

[0038] 3. Spindle;

[0039] 4. a first movable baffle; 41. a first roller;

[0040] 5. First spring;

[0041] 6. Second housing; 61. Second cam housing; 62. Input port; 63. Second exhaust port; 64. Second baffle housing; 65. Second cam housing; 66. Second side housing;

[0042] 7. second cam; 71. second wheel body; 72. second protruding portion;

[0043] 8. A second movable baffle; 81. A second roller;

[0044] 9. Second spring. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are 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 therefore cannot be understood as a limitation on the present invention.

[0047] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] In the description of the present invention, "first feature" and "second feature" may include one or more of the features. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0049] like Figure 1 A camshaft compressor shown includes: a first housing 1, a first cam 2, a main shaft 3, a first movable baffle 4 and a first spring 5.

[0050] The first shell 1 is hollow inside to form a first cam bin 11. The first cam 2 is rotatably disposed in the first cam bin 11. The first cam 2 includes a first wheel body 21 and a first protrusion 22 disposed on the outer peripheral wall of the first wheel body 21. The main shaft 3 is rotatably mounted on the first shell 1 and extends into the first cam bin 11 to be connected to the first wheel body 21. The first protrusion 22 abuts against the inner peripheral wall of the first cam bin 11.

[0051] The first movable baffle 4 is slidably arranged at the inner peripheral wall of the first cam chamber 11 and is always in contact with the outer peripheral wall of the first cam 2 under the action of the first spring 5. In this case, the first movable baffle 4 divides a closed space enclosed by the first cam 2 and the first cam chamber 11 into a compression chamber on the upstream side and a first exhaust chamber on the downstream side. The first cam chamber 11 is provided with a first air inlet 12 and a first exhaust port 13. The first air inlet 12 is connected to the compression chamber, and the first exhaust port 13 is connected to the first exhaust chamber.

[0052] Therefore, after the gas is transported into the compression chamber through the first air inlet 12, the external power device drives the main shaft 3 to rotate, and the main shaft 3 drives the first cam 2 to rotate. When the first protrusion 22 gradually approaches the first movable baffle 4, the space of the compression chamber will gradually shrink, the gas will gradually be compressed, and the first movable baffle 4 will be gradually lifted by the first protrusion 22. When the first cam 2 continues to rotate, the first protrusion 22 bypasses the first movable baffle 4, and the compressed gas can be discharged from the first exhaust port 13.

[0053] In specific settings, such as Figure 1 As shown, a first baffle bin 14 is provided on the first shell 1, and the first baffle bin 14 is connected to the first cam bin 11. A first spring 5 is provided in the first baffle bin 14. A part of the first movable baffle 4 is provided in the first baffle bin 14 and connected to the first spring 5, and the other part is located in the first cam bin 11 and abuts against the outer peripheral wall of the first cam 2, thereby guiding the sliding of the first movable baffle 4.

[0054] A first roller 41 is disposed at one end of the first movable baffle 4 close to the outer peripheral wall of the first cam 2 , and the first roller 41 abuts against the outer peripheral wall of the first cam 2 , thereby reducing the friction between the first movable baffle 4 and the first cam 2 .

[0055] Furthermore, a first lubricating oil through hole is provided on the first movable baffle 4, and the first lubricating oil through hole is used to guide the lubricating oil to the first roller 41, thereby helping to guide the lubricating oil to the first roller 41 to achieve lubrication of the first roller 41 and reduce the friction resistance between the first roller 41 and the first cam 2.

[0056] Furthermore, if Figure 1 As shown, a plurality of first protrusions 22 are evenly arranged circumferentially on the first wheel body 21, and a plurality of first movable baffles 4, first air inlets 12 and first exhaust ports 13 corresponding to the first protrusions 22 are arranged on the first cam chamber 11, thereby further improving the working efficiency of the compressor.

[0057] This camshaft compressor has the following structural features:

[0058] 1. The structure is simple and compact, the equipment is small, and it is suitable for application scenarios with limited space;

[0059] 2. Simple design, few parts, low failure rate, high reliability, easy to manufacture and maintain, and long service life;

[0060] 3. High compression efficiency, high compression efficiency and low energy consumption;

[0061] 4. Smooth operation, even rotation of the cam, low vibration and noise, and stable operation;

[0062] 5. The overall design is modular. The camshaft compressor can be used alone or in combination with other devices to provide compressed gas for other devices.

[0063] For example, Figure 2 and Figure 3 An engine assembly shown includes the camshaft compressor and the camshaft engine mentioned above.

[0064] like Figure 3 As shown, the camshaft engine includes a second housing 6, a second cam 7, a second movable baffle 8, a second spring 9, an ignition device and an oil supply device.

[0065] The second housing 6 is connected to the first housing 1. The second housing 6 is hollow inside to form a second cam chamber 61. The second cam 7 is rotatably arranged in the second cam chamber 61. The second cam 7 includes a second wheel body 71 and a second protruding portion 72 arranged on the outer peripheral wall of the second wheel body 71. The second protruding portion 72 abuts against the inner peripheral wall of the second cam chamber 61. The main shaft 3 passes through the second housing 6 and is connected to the second wheel body 71.

[0066] The second movable baffle 8 is slidably arranged on the inner wall of the second cam bin 61 and is always in contact with the outer wall of the second cam 7 under the action of the second spring 9. At this time, the second movable baffle 8 divides a group of closed spaces enclosed by the second cam 7 and the second cam bin 61 into a combustion chamber on the upstream side and a second exhaust chamber on the downstream side; the second cam bin 61 is provided with an input port 62 and a second exhaust port 63, the input port 62 is connected to the combustion chamber, the input port 62 is connected to the first exhaust port 13 through a pipeline, and the second exhaust port 63 is connected to the second exhaust chamber.

[0067] The ignition device is used for igniting the combustion chamber, and the oil supply device is used for injecting oil into the combustion chamber through the input port 62 .

[0068] That is to say, the camshaft engine and the camshaft compressor have similar structures, and the two are connected into one through the same main shaft 3. The camshaft compressor is used to provide compressed gas to the camshaft engine.

[0069] When the high-pressure gas and fuel are ignited and burned in the combustion chamber, the high-temperature and high-pressure gas will drive the second cam 7 to rotate, and the second cam 7 will then drive the main shaft 3 to rotate, thereby outputting power to do work, and at the same time drive the cam compressor to continue to compress the gas. When the second cam 7 continues to rotate, the second protrusion 72 bypasses the second exhaust port 63, and the exhaust gas in the combustion chamber is discharged to the outside through the second exhaust port 63.

[0070] In specific settings, such as Figure 3 As shown, a second baffle bin 64 is provided on the second shell body 6, and the second baffle bin 64 is connected with the second cam bin 61. A second spring 9 is provided in the second baffle bin 64. A part of the second movable baffle 8 is provided in the second baffle bin 64 and connected with the second spring 9, and the other part is located in the second cam bin 61 and abuts against the outer peripheral wall of the second cam 7, thereby guiding the sliding of the second movable baffle 8.

[0071] A second roller 81 is provided at one end of the second movable baffle 8 close to the outer peripheral wall of the second cam 7, and the second roller 81 abuts against the outer peripheral wall of the second cam 7, thereby reducing the friction between the second movable baffle 8 and the second cam 7. A second lubricating oil through hole is provided on the second movable baffle 8, and the second lubricating oil through hole is used to guide the lubricating oil to the second roller 81, thereby reducing the friction resistance between the second roller 81 and the second cam 7.

[0072] The second wheel body 71 is evenly provided with a plurality of second protrusions 72 in the circumferential direction, and the second cam chamber 61 is provided with a plurality of second movable baffles 8, an input port 62 and a second exhaust port 63 which are matched one by one with the second protrusions 72, thereby further improving the working efficiency of the engine.

[0073] like Figure 2 As shown, the first housing 1 includes a hollow first cam housing 15 and a first side housing 16 arranged on both axial sides of the first cam housing 15, and the first cam housing 15 and the first side housings 16 on both sides together define a first cam bin 11; the second housing 6 includes a hollow second cam housing 65 and a second side housing 66 arranged on both axial sides of the second cam housing 65, and the second cam housing 65 and the second side housings 66 on both sides together define a second cam bin 61.

[0074] The first side shell 16 and the second side shell 66 are respectively provided with axial holes for the main shaft 3 to pass through. A first side shell 16 in the first shell 1 is fixedly connected to a second side shell 66 in the second shell 6, thereby connecting the camshaft engine and the camshaft compressor into one.

[0075] Of course, the camshaft compressor can also be used in combination with other engine types to form an engine assembly, which is not limited here.

[0076] Although a portion of the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations to these embodiments are within the scope of protection of the claims of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A camshaft compressor, characterized in that: include: A first housing, a first cam, a main shaft, a first movable baffle and a first spring; The first housing is hollow inside to form a first cam chamber, the first cam is rotatably arranged in the first cam chamber, the first cam includes a first wheel body and a first protrusion arranged on the outer peripheral wall of the first wheel body, the main shaft is rotatably mounted on the first housing and extends into the first cam chamber to be connected with the first wheel body, and the first protrusion abuts against the inner peripheral wall of the first cam chamber; The first movable baffle is slidably disposed at the inner peripheral wall of the first cam chamber and is always in contact with the outer peripheral wall of the first cam under the action of the first spring. The first movable baffle divides a closed space enclosed by the first cam and the first cam chamber into a compression chamber on the upstream side and a first exhaust chamber on the downstream side. The first cam chamber is provided with a first air inlet and a first exhaust port, the first air inlet is communicated with the compression chamber, and the first exhaust port is communicated with the first exhaust chamber.

2. The camshaft compressor according to claim 1, characterized in that: A first baffle bin is provided on the first shell, the first baffle bin is connected with the first cam bin, the first spring is provided in the first baffle bin, a part of the first movable baffle is provided in the first baffle bin and connected to the first spring, and the other part is located in the first cam bin and abuts against the outer peripheral wall of the first cam.

3. The camshaft compressor according to claim 2, characterized in that: A first roller is disposed at one end of the first movable baffle plate close to the outer peripheral wall of the first cam, and the first roller abuts against the outer peripheral wall of the first cam.

4. The camshaft compressor according to claim 3, characterized in that: The first movable baffle is provided with a first lubricating oil through hole, and the first lubricating oil through hole is used to guide the lubricating oil to the first roller.

5. The camshaft compressor according to claim 1, characterized in that: The first wheel body is evenly provided with a plurality of first protrusions in the circumferential direction, and the first cam chamber is provided with a plurality of first movable baffles, first air inlets and first exhaust ports corresponding to the first protrusions one by one.

6. An engine assembly, characterized in that: A camshaft compressor and a camshaft engine comprising any one of claims 1 to 5; The camshaft engine comprises a second housing, a second cam, a second movable baffle, a second spring, an ignition device and an oil supply device; The second housing is connected to the first housing, the interior of the second housing is hollow to form a second cam chamber, the second cam is rotatably arranged in the second cam chamber, the second cam includes a second wheel body and a second protrusion arranged on the outer peripheral wall of the second wheel body, the second protrusion abuts against the inner peripheral wall of the second cam chamber, and the main shaft passes through the second housing and is connected to the second wheel body; The second movable baffle is slidably arranged at the inner peripheral wall of the second cam chamber and is always in contact with the outer peripheral wall of the second cam under the action of the second spring. At this time, the second movable baffle divides a group of closed spaces enclosed by the second cam and the second cam chamber into a combustion chamber on the upstream side and a second exhaust chamber on the downstream side; The second cam chamber is provided with an input port and a second exhaust port, the input port is communicated with the combustion chamber, the input port is connected with the first exhaust port through a pipeline, and the second exhaust port is communicated with the second exhaust chamber; The ignition device is used for igniting the combustion chamber, and the oil supply device is used for injecting oil into the combustion chamber through the input port.

7. The engine assembly according to claim 6, characterized in that: A second baffle bin is provided on the second shell body, the second baffle bin is connected with the second cam bin, the second spring is provided in the second baffle bin, a part of the second movable baffle is provided in the second baffle bin and connected with the second spring, and the other part is located in the second cam bin and abuts against the outer peripheral wall of the second cam.

8. The engine assembly according to claim 7, characterized in that: A second roller is provided at one end of the second movable baffle plate close to the outer peripheral wall of the second cam, and the second roller abuts against the outer peripheral wall of the second cam. A second lubricating oil through hole is provided on the second movable baffle plate, and the second lubricating oil through hole is used to guide the lubricating oil to the second roller.

9. The engine assembly according to claim 6, characterized in that: The second wheel body is evenly provided with a plurality of second protrusions in the circumferential direction, and the second cam chamber is provided with a plurality of second movable baffles, an input port and a second exhaust port corresponding to the second protrusions one by one.

10. The engine assembly according to claim 6, characterized in that: The first housing comprises a hollow first cam housing and first side housings arranged on both axial sides of the first cam housing, and the first cam housing and the first side housings on both sides together define the first cam chamber; The second housing comprises a hollow second cam housing and second side housings arranged on both axial sides of the second cam housing, and the second cam housing and the second side housings on both sides together define the second cam chamber; The first side shell and the second side shell are respectively provided with an axial hole for the main shaft to pass through, and a first side shell in the first shell is fixedly connected to a second side shell in the second shell.

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