CN208442229U - A kind of automobile brake camshaft - Google Patents
A kind of automobile brake camshaft Download PDFInfo
- Publication number
- CN208442229U CN208442229U CN201821166195.7U CN201821166195U CN208442229U CN 208442229 U CN208442229 U CN 208442229U CN 201821166195 U CN201821166195 U CN 201821166195U CN 208442229 U CN208442229 U CN 208442229U
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- vertical
- cam
- block
- bottom end
- slot
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Abstract
The utility model discloses a kind of automobile brake camshafts, including main shaft and cam, the outer wall of the main shaft is socketed with multiple cams, the cam and main shaft are interference fitted, and the inner tip of the cam is connected with vertical tube, and the top of the vertical tube is provided with pearl slot, the ball and pearl slot clearance fit, the center and bottom end of the vertical tube are provided with vertical slot, and the top of the vertical slot is connected with pushing block, and the bottom end of the pushing block is connected with block.The automobile brake camshaft, when main shaft band moving cam rotates, when cam contact arrives piston, piston is to the ball of cam point progress active force, and it is mutually resisted with the elasticity of compressed spring, jacking block opens the top of vertical slot, mandril is made to open second baffle also with movement, due to gravity, lubricating oil flows out to inside vertical slot from cracking between second baffle and first baffle, has reached the benefit that can be lubricated with high-frequency and energy conservation, reduce the abrasion of cam and increase service life.
Description
Technical field
The utility model relates to camshaft manufacturing technology field, specially a kind of automobile brake camshaft.
Background technique
Camshaft is a component in piston engine.Its effect is to control the unlatching and closed action of valve.Though
So in four-stroke engine the revolving speed of camshaft be crankshaft half (in the two stroke engine revolving speed and crankshaft of camshaft
It is identical), but usually it revolving speed it is still very high, and need to bear very big torque, thus in designing to camshaft strong
The requirement of degree and support aspect is very high, and material is usually superior alloy steel or steel alloy, since valve motion rule is related to
The power and service performance of one engine, thus camshaft design in the design process of engine in occupation of highly important
Status, the most common failure of camshaft include inordinate wear, abnormal sound and fracture, and abnormal sound and fracture often first occur different before occurring
The symptom often worn needs to increase kinematic dexterity and ride comfort, such as application No. is 201620376926.5 patents, including
The camshaft main body of main stress axis and secondary stress axis, the main stress axis installation end are installed by welding with bearing insert, the bearing
Cavity is offered in bushing, is equipped in the cavity and is unloaded power spring；First bearing is installed by welding on the main stress axis
Seat has been unable to reach the benefit that can be lubricated with high-frequency and energy conservation, cannot reduce the abrasion of cam and can not increase use
Service life.
Utility model content
The purpose of this utility model is to provide a kind of automobile brake camshafts, mentioned above in the background art to solve
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of automobile brake camshaft, including main shaft
And cam, the outer wall of the main shaft are socketed with multiple cams, the cam and main shaft are interference fitted, the inner tip of the cam
It is connected with vertical tube, the top of the vertical tube is provided with pearl slot, and the inside of the pearl slot is connected with ball, the ball and pearl slot gap
Cooperation, the center and bottom end of the vertical tube are provided with vertical slot, and the top of the vertical slot is connected with pushing block, the bottom of the pushing block
End is connected with block, and the block blocks the top of vertical slot, the block and pushing block and vertical slot sliding is clamped, the bottom of the block
End is connected with mandril, and the bottom end of the mandril is connected with second baffle, is connected with first at left and right sides of the bottom end of the vertical tube
The top of baffle, the second baffle is connected with the bottom end of first baffle overlap joint, and the bottom end of the cam is provided with cavity, the chamber
The bottom dead center position of body is connected with vertical bar, and the outer wall of the vertical bar is socketed with compressed spring, between the vertical bar and compressed spring
Gap cooperation, the compressed spring are affixed with second baffle, and the compressed spring is connected with cam, solid on the left of the bottom end of the cam
It is connected to transverse tube, the inside of the transverse tube is connected with vertical block.
Preferably, the vertical block center is provided with opening, and the front gear of the opening, which has, cuts plate, the surrounding of described section of plate
It is connected with card frame, the positive surrounding of the vertical block is mounted on cross bar, and the cross bar is movably connected by shaft and vertical block, institute
The inside that cross bar sticks into card frame is stated, and cross bar is threadedly coupled by screw rod with card frame.
Preferably, the top of the pushing block is connected with rubber block.
Preferably, the outer wall of the compressed spring is socketed with sponge tube.
Preferably, described section of plate with opening junction is connected with silica gel frame.
Compared with prior art, the utility model has the beneficial effects that the automobile brake camshaft, main shaft band moving cam turns
When dynamic, when cam contact arrives piston, piston to the ball progress active force of cam point, ball by pushing inside pearl slot,
Ball acts on pushing block, and mutually resists with the elasticity of compressed spring, and jacking block opens the top of vertical slot also with movement,
Mandril is set to open second baffle, due to gravity, lubricating oil flows out to from cracking between second baffle and first baffle
Inside vertical slot, and it is flow to the inside of pearl slot, the top of cam can be made to output sub-fraction space, Shao Liangrun when ball inwardly moves
Lubricating oil outflow is lubricated, and has been reached the benefit that can be lubricated with high-frequency and energy conservation, has been reduced the abrasion of cam and increase
Service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of Fig. 1 cam internal front view；
Fig. 3 is the structural schematic diagram of Fig. 2 vertical block internal front view.
In figure: 1, main shaft, 2, cam, 3, ball, 4, transverse tube, 5, pearl slot, 6, vertical tube, 7, block, 8, mandril, 9, first gear
Plate, 10, vertical block, 11, cavity, 12, sponge tube, 13, vertical bar, 14, compressed spring, 15, second baffle, 16, vertical slot, 17, pushing block,
18, rubber block, 19, section plate, 20, screw rod, 21, shaft, 22, cross bar, 23, card frame, 24, opening, 25, silica gel frame.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of automobile brake camshaft, including 1 He of main shaft
Cam 2, the outer wall of main shaft 1 are socketed with cam 2, and cam 2 and main shaft 1 are interference fitted, and the inner tip of cam 2 is connected with vertical tube 6,
Vertical tube 6 carries part-structure, and the top of vertical tube 6 is provided with pearl slot 5, and pearl slot 5 contains ball 3, and the inside of pearl slot 5 is connected with ball 3,
Ball 3 will not fall off, and ball 3 can also carry out sub-fraction movement in the inside of pearl slot 5, and ball 3 is matched with 5 gap of pearl slot
It closes, the center and bottom end of vertical tube 6 are provided with vertical slot 16, and vertical slot 16 can be such that lubricating oil flow to inside pearl slot 5, vertical slot 16
Top is connected with pushing block 17, and pushing block 17 controls ball 3, or by 3 revertive control of ball, the bottom end of pushing block 17 is connected with block 7, gear
Block 7 blocks the top of vertical slot 16, is clamped the top closed state of vertical slot 16, block 7 and pushing block 17 and the sliding of vertical slot 16, gear
The bottom end of block 7 is connected with mandril 8, and mandril 8 controls block 7, and the bottom end of mandril 8 is connected with second baffle 15, and the bottom end of vertical tube 6 is left
Right two sides are connected with first baffle 9, and the top of second baffle 15 is connected with the bottom end of first baffle 9 overlap joint, and the two, which is affixed, to be made
The bottom end of vertical tube 6 is closed state, and lubricating oil cannot pass through, and the bottom end of cam 2 is provided with cavity 11, the internal storage type of cavity 11
Number lubricating oil for being SE, the bottom dead center position of cavity 11 is connected with vertical bar 13, and vertical bar 13 prevents 14 overbending of compressed spring,
The outer wall of vertical bar 13 is socketed with compressed spring 14, and the elasticity of compressed spring 14 carries out upper top to the structure on its top, makes ball 3
The outside of cam 2, vertical bar 13 and 14 clearance fit of compressed spring are leant out slightly, compressed spring 14 is affixed with second baffle 15, the
Two baffles 15 are affixed with first baffle 9, so that the bottom end of vertical tube 6 is in sealing state, compressed spring 14 is connected with cam 2, cam 2
Bottom end on the left of be connected with transverse tube 4, lubricating oil can be injected in transverse tube 4, and the inside of transverse tube 4 is connected with vertical block 10, and vertical block 10 makes cross
Pipe 4 is closed, and 10 center of vertical block is provided with opening 24, and opening 24 makes the inside of lubricating oil injection cavity 11, be open 24 front
Gear, which has, cuts plate 19, cuts plate 19 and blocks opening 24, the surrounding for cutting plate 19 is connected with card frame 23, and the positive surrounding of vertical block 10 is respectively mounted
There is cross bar 22, cross bar 22 is movably connected by shaft 21 with vertical block 10, and cross bar 22 sticks into the inside of card frame 23, and cross bar 22 passes through
Screw rod 20 is threadedly coupled with card frame 23, the connection of cross bar 22 and card frame 23, so that a section plate 19 is connected with vertical block 10, is fixed, pushes away
The top of block 17 is connected with rubber block 18, and rubber block 18 reduces abrasion, and the outer wall of compressed spring 14 is socketed with sponge tube 12, sponge
Pipe 12 protects compressed spring 14, and that cuts plate 19 is connected with silica gel frame 25 with 24 junctions of opening, and silica gel frame 25 blocks interface increasing
Add leakproofness.
Lubricating oil is poured into from the inside of transverse tube 4, the elasticity of compressed spring 14 pushes second baffle 15, second gear
Plate 15 pushes mandril 8, and mandril 8 pushes block 7, and the top of vertical slot 16 is blocked on the top of block 7, makes vertical slot 16
Inside blocked, be in air-tight state, block 7 pushes pushing block 17, and pushing block 17 pushes ball 3 to the top of pearl slot 5
End, pearl slot 5, which blocks ball 3, to fall off, and ball 3 can rotate, and 1 when main shaft 1 is rotated with moving cam 2, cam 2 touches work
When plug, piston carries out active force to the ball 3 on 2 top of cam, and ball 3 is by pushing inside pearl slot 5, and ball 3 is to pushing block 17
It is acted on, and is mutually resisted with the elasticity of compressed spring 14, jacking block 7 opens the top of vertical slot 16, make mandril also with movement
8 open second baffle 15, and due to gravity, lubricating oil flows out to from cracking between second baffle 15 and first baffle 9
Inside vertical slot 16, and it being flow to the inside of pearl slot 5, ball 3 can make the top of cam 2 output sub-fraction space when inwardly moving,
A small amount of outflow of lubrication oil is lubricated.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of automobile brake camshaft, including main shaft (1) and cam (2), it is characterised in that: the outer wall set of the main shaft (1)
It is connected to multiple cams (2), the cam (2) and main shaft (1) are interference fitted, and the inner tip of the cam (2) is connected with vertical tube
(6), the top of the vertical tube (6) is provided with pearl slot (5), and the inside of the pearl slot (5) is connected with ball (3), the ball (3) with
Pearl slot (5) clearance fit, the center and bottom end of the vertical tube (6) are provided with vertical slot (16), the top of the vertical slot (16)
It being connected with pushing block (17), the bottom end of the pushing block (17) is connected with block (7), and the block (7) blocks the top of vertical slot (16),
The block (7) and pushing block (17) and vertical slot (16) sliding are clamped, and the bottom end of the block (7) is connected with mandril (8), the top
The bottom end of bar (8) is connected with second baffle (15), is connected with first baffle (9), institute at left and right sides of the bottom end of the vertical tube (6)
The top for stating second baffle (15) is connected with the bottom end of first baffle (9) overlap joint, and the bottom end of the cam (2) is provided with cavity
(11), the bottom dead center position of the cavity (11) is connected with vertical bar (13), and the outer wall of the vertical bar (13) is socketed with compression bullet
Spring (14), the vertical bar (13) and compressed spring (14) clearance fit, the compressed spring (14) are affixed with second baffle (15),
The compressed spring (14) is connected with cam (2), is connected with transverse tube (4) on the left of the bottom end of the cam (2), the transverse tube (4)
Inside be connected with vertical block (10).
2. a kind of automobile brake camshaft according to claim 1, it is characterised in that: open vertical block (10) center
Having opening (24), the front gear of the opening (24), which has, cuts plate (19), and the surrounding of described section of plate (19) is connected with card frame (23),
The positive surrounding of the vertical block (10) is mounted on cross bar (22), and the cross bar (22) passes through shaft (21) and vertical block (10) activity
It is connected, the cross bar (22) sticks into the inside of card frame (23), and cross bar (22) is threadedly coupled by screw rod (20) with card frame (23).
3. a kind of automobile brake camshaft according to claim 1, it is characterised in that: the top of the pushing block (17) is affixed
There are rubber block (18).
4. a kind of automobile brake camshaft according to claim 1, it is characterised in that: the outer wall of the compressed spring (14)
It is socketed with sponge tube (12).
5. a kind of automobile brake camshaft according to claim 2, it is characterised in that: described section of plate (19) with opening
(24) junction is connected with silica gel frame (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166195.7U CN208442229U (en) | 2018-07-23 | 2018-07-23 | A kind of automobile brake camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166195.7U CN208442229U (en) | 2018-07-23 | 2018-07-23 | A kind of automobile brake camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208442229U true CN208442229U (en) | 2019-01-29 |
Family
ID=65086820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821166195.7U Expired - Fee Related CN208442229U (en) | 2018-07-23 | 2018-07-23 | A kind of automobile brake camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208442229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295529A (en) * | 2021-06-07 | 2021-08-24 | 界首市丰华塑料有限公司 | EPS foam board load force detection system and method |
-
2018
- 2018-07-23 CN CN201821166195.7U patent/CN208442229U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295529A (en) * | 2021-06-07 | 2021-08-24 | 界首市丰华塑料有限公司 | EPS foam board load force detection system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 Termination date: 20190723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |