CN219344783U - Camshaft convenient to assembly - Google Patents
Camshaft convenient to assembly Download PDFInfo
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- CN219344783U CN219344783U CN202320850387.4U CN202320850387U CN219344783U CN 219344783 U CN219344783 U CN 219344783U CN 202320850387 U CN202320850387 U CN 202320850387U CN 219344783 U CN219344783 U CN 219344783U
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- camshaft
- assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The application relates to a camshaft convenient to assemble, which belongs to the technical field of automobile accessories and comprises a shaft body, a cam group, an assembly component and a locking component, wherein the shaft body comprises a first shaft section and a second shaft section, the first shaft section is connected with the second shaft section, and the cam group is coaxially arranged on the shaft body; the assembly component comprises a connecting sleeve and a connecting pin, the connecting block is arranged on the inner wall of the connecting sleeve, the first shaft section and the second shaft section extend into the connecting sleeve and are propped against the connecting block, and the connecting pin is used for connecting the shaft body with the connecting sleeve; the cam group comprises a connecting wheel body and a reinforcing part, the connecting wheel body is coaxially arranged on the shaft body, the reinforcing part is connected onto the connecting wheel body through a locking assembly, and the reinforcing part protrudes towards one side far away from the connecting wheel body. After the production of camshaft spare part is accomplished, install through the mode of assembly connection, reduce the scrapping that produces because of integral processing, improve camshaft production and processing's yields.
Description
Technical Field
The application relates to the technical field of automobile accessories, in particular to a cam shaft convenient to assemble.
Background
The camshaft is a component in a piston engine. Its function is to control the opening and closing actions of the valve. Although the rotational speed of the camshaft is half that of the crankshaft in a four-stroke engine (the rotational speed of the camshaft is the same as that of the crankshaft in a two-stroke engine), the rotational speed is still high and a large torque is required to be born, so that the requirements on strength and support of the camshaft in design are high, the camshaft is made of special cast iron generally, and forgings are adopted occasionally. Since the law of valve motion is related to the power and operating characteristics of an engine, camshaft design plays a very important role in the design process of the engine.
In the related art, the existing camshaft is generally formed by forging or casting, and the shaft and the cam are integrally formed.
In view of the above-mentioned related art, the inventors consider that there is a drawback in that the requirement for the processing precision of the camshaft is higher and higher due to the requirement for lightweight engine, but the camshaft is integrated, and the deviation of a certain process in the processing process leads to scrapping of the whole camshaft, and the yield is lower.
Disclosure of Invention
In order to improve the above problems, the present application provides a camshaft that is convenient to assemble.
The application provides a camshaft convenient to assembly adopts following technical scheme:
a camshaft for ease of assembly, comprising:
the shaft body comprises a first shaft section and a second shaft section, the first shaft section is connected with the second shaft section, and the cam group is coaxially arranged on the shaft body;
the assembly comprises a connecting sleeve and a connecting pin, the connecting block is arranged on the inner wall of the connecting sleeve, the first shaft section and the second shaft section extend into the connecting sleeve and are propped against the connecting block, and the connecting pin is used for connecting the shaft body with the connecting sleeve;
the locking assembly, the cam group is including connecting wheel body and reinforcing part, connect the wheel body coaxial locate on the axis body, the reinforcing part passes through locking assembly to be connected on connecting the wheel body, the reinforcing part is protruding towards one side of keeping away from connecting the wheel body.
By adopting the technical scheme, after the production of the camshaft parts is completed, the first shaft section and the second shaft section are respectively extended into the connecting sleeve, so that the first shaft section and the second shaft section are abutted against the two opposite sides of the connecting block, then the shaft body and the connecting sleeve are fixedly connected through the connecting pin, the scrapping caused by integral processing is reduced, and the yield of shaft body processing is improved; simultaneously, connect the wheel body and locate on the axis body, the reinforcing part passes through locking subassembly and connects the wheel body realization and be connected, realizes the convenience of cam group connection installation, also is convenient for overhaul or the change of cam group simultaneously.
Preferably, the end part of the first shaft section is provided with a mounting block, the connecting block is provided with a mounting groove for placing the mounting block, and the mounting block is propped against the bottom of the mounting groove.
Through adopting above-mentioned technical scheme, when first axle section is connected with the adapter sleeve, inserts the installation piece in the mounting groove, the cell wall of mounting groove carries out spacing rotation stopping to the installation piece, improves the stability of relative position between first axle section and the adapter sleeve.
Preferably, the connecting sleeve is provided with a first connecting hole, the mounting block is provided with a second connecting hole, the second connecting hole is coaxial with the first connecting hole, and the connecting pin penetrates through the first connecting hole and the second connecting hole.
Through adopting above-mentioned technical scheme, after the installation piece inserts the mounting groove, aim at first connecting hole and second connecting hole with the connecting pin and insert, the connecting pin carries out fixed connection with adapter sleeve and installation piece, and then realizes the fixed connection of adapter sleeve and first axle section.
Preferably, the shaft body is provided with a clamp spring for the shaft, the shaft body is provided with a clamping groove for clamping the clamp spring for the shaft, and the clamp spring for the shaft is arranged on two sides of the cam group along the axial direction.
Through adopting above-mentioned technical scheme, locate the cam group on the axis body, then with the jump ring joint for the axle in the draw-in groove, the relative both sides of cam group all are equipped with the jump ring for the axle, realize limiting the cam group along axis body axial, reduce the displacement of cam group.
Preferably, the locking assembly comprises a positioning block, the positioning block is arranged on one side of the reinforcing part, which faces the connecting wheel body, and a dovetail groove for the positioning block to be inserted is formed in the connecting wheel body.
By adopting the technical scheme, the positioning blocks are inserted into the dovetail grooves in a sliding manner, so that the reinforcement part is preliminarily connected with the connecting wheel body.
Preferably, the locking assembly further comprises a pressing block and a limiting block, the pressing block is connected in the connecting wheel body in a sliding mode along the axial direction of the shaft body, the limiting block is connected in the connecting wheel body in a sliding mode along the axial direction perpendicular to the shaft body, the positioning block is inserted into the dovetail groove to be in butt joint with the pressing block, the pressing block is driven to move by the positioning block, and the pressing block drives the limiting block to slide, so that the limiting block and one side, away from the pressing block, of the positioning block are propped against each other.
Through adopting above-mentioned technical scheme, after the locating piece slides and inserts the dovetail, the locating piece butt is in supporting the briquetting and makes to support the briquetting and slide, supports the briquetting and slide and get into the fifth wheel internal, drives the stopper and removes when supporting the briquetting and slide, realizes that stopper and locating piece keep away from one side butt of supporting the briquetting, and the stopper cooperatees with the cell wall of dovetail, carries out spacing along the axis to the locating piece, improves the stability of connection between reinforcing part and the connection wheel body.
Preferably, the locking assembly further comprises a connecting rod and a locking rod, the connecting rod is movably connected in the connecting wheel body, one end of the connecting rod is connected with the pressing block, the locking rod is fixedly connected to the connecting rod, the limiting block is fixedly connected to one end, far away from the pressing block, of the connecting rod, and a locking hole is formed in the positioning block and is used for the locking rod to be inserted.
Through adopting above-mentioned technical scheme, when the briquetting removal of supporting gets into and connects the wheel body inside, drive the connecting rod and take place the action, the connecting rod is connected the wheel body relatively and is removed, and the connecting rod drives locking lever and stopper synchronous motion for in the locking lever inserts the locking hole, the stopper synchronous butt is kept away from the one side of supporting the briquetting in the locating piece, further improves the joint strength between connecting wheel body and the enhancement portion.
Preferably, the shaft body is hollow.
By adopting the technical scheme, the self weight of the camshaft is reduced while the strength of the camshaft is ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the camshaft parts are produced, the first shaft section and the second shaft section are respectively extended into the connecting sleeve, so that the first shaft section and the second shaft section are abutted against the two opposite sides of the connecting block, and then the shaft body and the connecting sleeve are fixedly connected through the connecting pin, thereby reducing scrapping caused by integral processing and improving the yield of shaft body processing;
2. through setting up of support briquetting and stopper, after the locating piece slides and inserts the dovetail, the locating piece butt is in support briquetting and makes support briquetting slide, supports the briquetting and slide and get into the fifth wheel internal, drives the stopper and removes when support briquetting slides, realizes that stopper and locating piece keep away from one side butt of support briquetting, and the stopper cooperatees with the cell wall of dovetail, carries out spacing along the axis of axis to the locating piece, improves the connection stability between reinforcing part and the connection wheel body.
Drawings
FIG. 1 is a schematic diagram of an overall structure for embodying a camshaft in an embodiment of the present application.
FIG. 2 is a schematic diagram illustrating the connection relationship between a shaft body and a mounting assembly in an embodiment of the present application.
Fig. 3 is a partial enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic diagram showing a positional relationship among a locking assembly, a reinforcing part and a connecting wheel body according to an embodiment of the present application.
Fig. 5 is a partial enlarged view of the portion B in fig. 4.
Reference numerals illustrate: 1. a shaft body; 11. a first shaft section; 111. a mounting block; 112. a second connection hole; 12. a second shaft section; 2. a cam group; 21. the connecting wheel body; 212. a movable cavity; 22. a reinforcing part; 3. assembling the assembly; 31. connecting sleeves; 311. a first connection hole; 32. a connecting block; 321. a mounting groove; 33. a connecting pin; 4. a locking assembly; 41. a positioning block; 412. pressing blocks; 413. a transition rod; 414. a connecting rod; 42. a limiting block; 43. a locking lever; 44. a spring; 5. and a snap spring for the shaft.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses camshaft convenient to assembly, as shown in fig. 1, including axis body 1, a plurality of cam group 2, assembly component 3 and locking component 4, outside axis body 1 was located to the coaxial cover of a plurality of cam group 2, axis body 1 was the cavity setting. The shaft body 1 comprises a first shaft section 11 and a second shaft section 12, the first shaft section 11 and the second shaft section 12 being connected by means of the assembly 3. The cam group 2 comprises a connecting wheel body 21 and a reinforcing part 22, wherein the connecting wheel body 21 is coaxially arranged on the shaft body 1, the reinforcing part 22 is connected to the connecting wheel body 21 through the locking assembly 4, and the reinforcing part 22 protrudes towards one side far away from the connecting wheel body 21.
As shown in fig. 2 and 3, the fitting assembly 3 includes a connecting sleeve 31, a connecting block 32, and a connecting pin 33, and the connecting sleeve 31 is a sleeve having an inner diameter corresponding to an outer diameter of the shaft body 1. The connection block 32 is fixedly connected to the inside of the connection sleeve 31. One end of the first shaft section 11 is fixedly connected with a mounting block 111, and a mounting groove 321 for placing the mounting block 111 is formed in the connecting block 32. The first shaft section 11 is aligned with the connecting sleeve 31 and extends into the connecting sleeve 31, and meanwhile, the mounting block 111 is inserted into the mounting groove 321, so that the connection between the first shaft section 11 and the connecting block 32 is realized, and the connection between the first shaft section 11 and the connecting sleeve 31 is further realized. The connecting sleeve 31 is provided with a first connecting hole 311, the mounting block 111 is provided with a second connecting hole 112, the second connecting hole 112 is coaxial with the first connecting hole 311, the connecting pin 33 penetrates through the first connecting hole 311 and the second connecting hole 112, and the connecting sleeve 31 and the first shaft section 11 are fixedly connected through the connecting pin 33. The assembly and connection manner of the second shaft section 12 and the connecting sleeve 31 is the same, and will not be described again.
As shown in fig. 4 and 5, the locking assembly 4 includes a positioning block 41, a pressing block 412, a transition rod 413, a connecting rod 414 and a limiting block 42, wherein the positioning block 41 is fixedly connected to one side of the reinforcing portion 22 facing the connecting wheel body 21, and a dovetail groove for inserting the positioning block 41 is formed in the connecting wheel body 21. The movable cavity 212 is arranged in the connecting wheel body 21, the pressing block 412 is connected to the wall of the dovetail groove in a sliding mode, two transition rods 413 are arranged, and the two transition rods 413 are hinged. One end of the transition lever 413 abuts against one side surface of the pressing block 412. The connecting rods 414 are arranged in two, and the two connecting rods 414 are in cross connection with the two transition rods 413. The limiting block 42 is fixedly connected to one end of the connecting rod 414 far away from the transition rod 413, and before the connection is installed, the limiting block 42 is located in the movable cavity 212. When the drive reinforcing portion 22 and the positioning block 41 are slid into the dovetail groove simultaneously, the positioning block 41 abuts against the pressing block 412, and the pressing block 412 slides into the movable cavity 212 and presses the transition lever 413 under the abutting action of the positioning block 41. The two transition rods 413 form a rotation trend, and the transition rods 413 drive the connecting rods 414 to move close to each other, so that the limiting blocks 42 move close to each other and abut against one side, away from the pressing blocks 412, of the positioning blocks 41. The groove wall of the dovetail groove is matched with the limiting block 42, so that the limiting and fixing of the positioning block 41 are realized, and the connection strength of the positioning block 41 and the connecting wheel body 21 is improved.
As shown in fig. 5, the connecting rod 414 is also fixedly connected with a locking rod 43, and the positioning block 41 is provided with a locking hole into which the locking rod 43 is inserted. Further improving the connection strength of the connecting wheel body 21 and the positioning block 41. In order to facilitate the resetting of the pressing block 412, a spring 44 is fixedly connected to one side of the pressing block 412 away from the transition rod 413, and one side of the spring 44 away from the pressing block 412 is fixedly connected to the cavity wall of the movable cavity 212.
As shown in fig. 1, the shaft body 1 is further sleeved with a clamp spring 5 for a shaft, and the shaft body 1 is provided with a clamping groove for clamping the clamp spring 5 for the shaft. The two opposite sides of each single cam group 2 along the axial direction of the shaft body 1 are respectively provided with a clamp spring 5 for the shaft, so that the possibility of displacement of the cam group 2 along the shaft body 1 is reduced, and the stability of the relative position of the cam group 2 after being assembled and connected with the shaft body 1 is improved.
The implementation principle of the camshaft convenient to assemble is as follows:
after the first shaft section 11 and the second shaft section 12 are machined, the first shaft section 11 and the second shaft section 12 respectively extend into the connecting sleeve 31, and the mounting block 111 is inserted into the mounting groove 321, so that the shaft body 1 and the connecting sleeve 31 are preliminarily connected. The connecting sleeve 31 is then fixedly connected to the first shaft section 11 and the connecting sleeve 31 to the second shaft section 12 by means of the connecting pin 33.
The connecting wheel body 21 is sleeved on the shaft body 1, and the shaft clamp spring 5 is clamped in the clamping groove, so that the limit of the connecting wheel body 21 is realized. The positioning block 41 is then inserted into the dovetail groove by sliding insertion, and abuts against the pressing block 412. Under the pressing action of the pressing block 412, the connecting rod 414 drives the limiting block 42 and the locking rod 43 to synchronously move, so that the locking rod 43 is inserted into the locking hole, and the limiting block 42 is abutted against one side, away from the pressing block 412, of the positioning block 41. The stability of assembly connection is improved, and then the joint strength is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A camshaft that facilitates assembly, comprising:
the novel cam shaft comprises a shaft body (1) and a cam group (2), wherein the shaft body (1) comprises a first shaft section (11) and a second shaft section (12), the first shaft section (11) is connected with the second shaft section (12), and the cam group (2) is coaxially arranged on the shaft body (1);
the assembly (3), the assembly (3) comprises a connecting sleeve (31) and a connecting pin (33), a connecting block (32) is arranged on the inner wall of the connecting sleeve (31), the first shaft section (11) and the second shaft section (12) extend into the connecting sleeve (31) and are propped against the connecting block (32), and the connecting pin (33) is used for connecting the shaft body (1) with the connecting sleeve (31);
locking subassembly (4), cam group (2) are including connecting wheel body (21) and reinforcing part (22), connect wheel body (21) coaxial locate on axis body (1), reinforcing part (22) are connected on connecting wheel body (21) through locking subassembly (4), reinforcing part (22) are protruding towards one side of keeping away from connecting wheel body (21).
2. A camshaft for facilitating assembly as defined in claim 1, wherein: the end part of the first shaft section (11) is provided with a mounting block (111), the connecting block (32) is provided with a mounting groove (321) for the mounting block (111) to be placed, and the mounting block (111) is propped against the bottom of the mounting groove (321).
3. A camshaft for facilitating assembly as defined in claim 2, wherein: the connecting sleeve (31) is provided with a first connecting hole (311), the mounting block (111) is provided with a second connecting hole (112), the second connecting hole (112) is coaxial with the first connecting hole (311), and the connecting pin (33) penetrates through the first connecting hole (311) and the second connecting hole (112).
4. A camshaft for facilitating assembly as defined in claim 1, wherein: the clamping spring (5) for the shaft is arranged on the shaft body (1), a clamping groove for clamping the clamping spring (5) for the shaft is formed in the shaft body (1), and the clamping springs (5) for the shaft are arranged on two sides of the cam group (2) along the axial direction.
5. A camshaft for facilitating assembly as defined in claim 1, wherein: the locking assembly (4) comprises a positioning block (41), the positioning block (41) is arranged on one side, facing the connecting wheel body (21), of the reinforcing part (22), and a dovetail groove for the positioning block (41) to be inserted is formed in the connecting wheel body (21).
6. A camshaft for facilitating assembly as defined in claim 5, wherein: the locking assembly (4) further comprises a pressing block (412) and a limiting block (42), the pressing block (412) is connected in the connecting wheel body (21) in a sliding mode along the axial direction of the shaft body (1), the limiting block (42) is connected in the connecting wheel body (21) in a sliding mode along the axial direction perpendicular to the shaft body (1), the positioning block (41) is inserted into the dovetail groove to be abutted to the pressing block (412), the positioning block (41) drives the pressing block (412) to move, and the pressing block (412) drives the limiting block (42) to slide, so that the limiting block (42) and the positioning block (41) are abutted to one side, far away from the pressing block (412).
7. A camshaft for facilitating assembly as defined in claim 6, wherein: the locking assembly (4) further comprises a connecting rod (414) and a locking rod (43), the connecting rod (414) is movably connected in the connecting wheel body (21), one end of the connecting rod (414) is connected with the pressing block (412), the locking rod (43) is fixedly connected to the connecting rod (414), the limiting block (42) is fixedly connected to one end, far away from the pressing block (412), of the connecting rod (414), and a locking hole is formed in the positioning block (41) and is used for the locking rod (43) to be inserted.
8. A camshaft for facilitating assembly as defined in claim 1, wherein: the shaft body (1) is hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320850387.4U CN219344783U (en) | 2023-04-17 | 2023-04-17 | Camshaft convenient to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320850387.4U CN219344783U (en) | 2023-04-17 | 2023-04-17 | Camshaft convenient to assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219344783U true CN219344783U (en) | 2023-07-14 |
Family
ID=87109761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320850387.4U Active CN219344783U (en) | 2023-04-17 | 2023-04-17 | Camshaft convenient to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219344783U (en) |
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2023
- 2023-04-17 CN CN202320850387.4U patent/CN219344783U/en active Active
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