CN208441898U - A kind of self-adapted car brake camshaft - Google Patents
A kind of self-adapted car brake camshaft Download PDFInfo
- Publication number
- CN208441898U CN208441898U CN201821165779.2U CN201821165779U CN208441898U CN 208441898 U CN208441898 U CN 208441898U CN 201821165779 U CN201821165779 U CN 201821165779U CN 208441898 U CN208441898 U CN 208441898U
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- China
- Prior art keywords
- cam
- screw rod
- self
- strut
- bottom end
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Abstract
The utility model discloses a kind of self-adapted car 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, the top of the cam, which is provided with, wears mouth, and strut is mounted at left and right sides of the inner tip of the cam, and the strut is connected by first rotating shaft with cam activation, top is installed, the bottom end of the top is movably connected by the second shaft with strut on the inside of two struts.The self-adapted car brake camshaft, stir toggle, toggle drives the second screw rod to do threading action inside barrel, second screw rod matches with the screw thread of barrel, but the second screw rod only rotates the movement that stands fast of not advancing inside barrel, the second screw rod is connect with two the first screw flights, and the rotation of the second screw rod drives the first screw rod to push forward, first screw rod drives the vertical bar of connecting plate sum to travel forward, and has reached the benefit that the adjustment of cam protrusion degree can be carried out according to different engines.
Description
Technical field
The utility model relates to camshaft operating techniques field, specially a kind of self-adapted car 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 cam size protrusion degree that different engines need is different, too single, the Modulatory character of existing camshaft selectivity
Low, the camshaft for needing flexibility high works.
Utility model content
The purpose of this utility model is to provide a kind of self-adapted car brake camshafts, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of self-adapted car brake camshaft, packet
Main shaft and cam are included, the outer wall of the main shaft is socketed with multiple cams, and the cam and main shaft are interference fitted, the top of the cam
End, which is provided with, wears mouth, and strut is mounted at left and right sides of the inner tip of the cam, and the strut passes through first rotating shaft and cam
It is movably connected, top is installed on the inside of two struts, the bottom end of the top passes through the second shaft and strut activity phase
Even, the left and right sides is provided with sliding slot inside the top of the cam, and the Basolateral of the top is mounted on connecting rod, the company
Bar is movably connected by the second connecting shaft with top, and the outside of two connecting rods is connected with sliding block, and the sliding block and sliding slot are sliding
Dynamic clamping, the inner lower edge of the top are equipped with vertical bar, and the vertical bar is movably connected by the first connecting shaft with top, two institutes
It states and is connected with connecting plate on the inside of the bottom end of vertical bar, the first screw rod, the inner bottom of the cam are connected on the inside of two connecting plates
End is connected with cross bar, and the center of the cross bar is connected with barrel, and the inside of the barrel is plugged with the second screw rod, and described the
Two screw rods are threadedly coupled with barrel, and second screw rod is connect with two the first screw flights, the bottom end of second screw rod
It is connected with toggle, the toggle penetrates cam by wearing mouth.
Preferably, the top outer wall of the top is socketed with soft aluminium, and the top of the soft aluminium is connected with horizontal block, the horizontal block
Bottom end be connected with compressed spring, the bottom end of the compressed spring is connected with mandril, and the bottom end of the soft aluminium is connected with jacking block, institute
Mandril is stated to be connected with jacking block clamping.
Preferably, the outer wall of the toggle is welded with screw thread item.
Preferably, the bottom end of the mandril is connected with Rubber end.
Preferably, the outer wall of the compressed spring is socketed with sponge tube.
Compared with prior art, the utility model has the beneficial effects that the self-adapted car brake camshaft, is stirred
Button, toggle drive the second screw rod to do threading action inside barrel, and the second screw rod matches with the screw thread of barrel, but the second spiral shell
Bar only rotates the movement that stands fast of not advancing inside barrel, and the second screw rod is connect with two the first screw flights, and the second screw rod
Rotation drive the first screw rod push forward, the first screw rod drive connecting plate sum vertical bar travel forward, the first connecting shaft prevent it is stuck, erect
Bar drives top to travel forward by the first connecting shaft, and top is rotation point with the second shaft, and top moves upwards, drive connecting rod and
Sliding block is rotation point with first rotating shaft in sliding slot moved upward inside, strut, can be moved upwards, and the length of strut determines top
The length of elongation has reached the benefit that the adjustment of cam protrusion degree can be carried out according to different engines.
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 and top connection internal front view；
Fig. 3 is the structural schematic diagram of the soft aluminium of Fig. 2 and top connection front view.
In figure: 1, main shaft, 2, cam, 3, Chuan Kou, 4, toggle, 5, top, the 6, first connecting shaft, the 7, second connecting shaft, 8, connecting rod,
9, sliding slot, 10, sliding block, 11, first rotating shaft, 12, strut, the 13, second shaft, 14, vertical bar, 15, connecting plate, the 16, first screw rod,
17, screw thread item, 18, barrel, the 19, second screw rod, 20, cross bar, 21, soft aluminium, 22, horizontal block, 23, sponge tube, 24, mandril, 25, rubber
Rubber head, 26, jacking block, 27, compressed spring.
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 self-adapted car brake camshaft, including
Main shaft 1 and 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 top of cam 2, which is provided with, wears mouth
3, the inner tip left and right sides of cam 2 is mounted on strut 12, and the length of strut 12 determines the spaces that top 5 rises, strut
12 are movably connected by first rotating shaft 11 with cam 2, and the inside of two struts 12 is equipped with top 5, and top 5 is with 1 turn of main shaft
Dynamic, and engine contact portion comes directly towards 5 bottom end and is movably connected by the second shaft 13 with strut 12, inside the top of cam 2
The left and right sides is provided with sliding slot 9, and the Basolateral for coming directly towards 5 is mounted on connecting rod 8, and connecting rod 8 is living by the second connecting shaft 7 and top 5
Dynamic to be connected, the outside of two connecting rods 8 is connected with sliding block 10, and sliding block 10 and the sliding of sliding slot 9 are clamped, and top 5 is moved in three to be connected
It connects under relationship, movement stopping is more stable, and the inner lower edge for coming directly towards 5 is equipped with vertical bar 14, and vertical bar 14 transmits power, and vertical bar 14 passes through
First connecting shaft 6 is movably connected with top 5, and connecting plate 15 is connected on the inside of the bottom end of two vertical bars 14, and connecting plate 15 is the medium of connection,
The inside of two connecting plates 15 is connected with the first screw rod 16, and the first screw rod 16 is driven by the second screw rod 19 and rotates, and cross bar 20 carries spiral shell
Cylinder 18, barrel 18 is engaged with the second screw rod 19 to be connected, and the second rotation of screw rod 19 does not move forward and backward, and the inner bottom of cam 2 is solid
It is connected to cross bar 20, the center of cross bar 20 is connected with barrel 18, and the inside of barrel 18 is plugged with the second screw rod 19, the second screw rod
19 are threadedly coupled with barrel 18, and the second screw rod 19 is threadedly coupled with two the first screw rods 16, and the bottom end of the second screw rod 19 is affixed
There is toggle 4, toggle 4 controls the second screw rod 19, and toggle 4 penetrates cam 2 by wearing mouth 3, and the top outer wall for coming directly towards 5 is socketed with soft aluminium
21, soft aluminium 21 reduces the wear intensity of ailhead 5, and the top of soft aluminium 21 is connected with horizontal block 22, and the bottom end of horizontal block 22 is connected with compression bullet
Spring 27, the elasticity of compressed spring 27 make to make soft aluminium 21 entangle top 5, the bottom of compressed spring 27 inside 24 jacking jacking block 26 of mandril
End is connected with mandril 24, and the bottom end of soft aluminium 21 is connected with jacking block 26, and mandril 24 is connected with the clamping of jacking block 26, the outer wall weldering of toggle 4
It is connected to screw thread item 17, screw thread item 17 increases frictional force, and the bottom end of mandril 24 is connected with Rubber end 25, and Rubber end 25 reduces abrasion,
The outer wall of compressed spring 27 is socketed with sponge tube 23, and sponge tube 23 protects compressed spring 27.
Main shaft 1 is rotated with moving cam 2, stirs toggle 4, and toggle 4 drives the second screw rod 19 to do screw thread fortune inside barrel 18
After dynamic, the second screw rod 19 matches with the screw thread of barrel 18, but the second screw rod 19 only rotates and do not advance not in 18 inside of barrel
Movement is moved back, the second screw rod 19 is threadedly coupled with two the first screw rods 16, and the rotation of the second screw rod 19 drives the first screw rod 16 forward
Push, the first screw rod 16 drive 15 sum of connecting plate vertical bar 14 travel forward, the first connecting shaft 6 prevent it is stuck, vertical bar 14 pass through first
Connecting shaft 6 drives top 5 to travel forward, and coming directly towards 5 with the second shaft 13 is rotation point, and top 5 moves upwards, and drives connecting rod 8 and slides
Block 10 is rotation point with first rotating shaft 11 in 9 moved upward inside of sliding slot, strut 12, can be moved upwards, the length of strut 12
Determine the length of 5 elongation of top.
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 self-adapted car brake camshaft, including main shaft (1) and cam (2), it is characterised in that: the main shaft (1)
Outer wall is socketed with multiple cams (2), and the cam (2) and main shaft (1) are interference fitted, and the top of the cam (2), which is provided with, wears mouth
(3), it is mounted on strut (12) at left and right sides of the inner tip of the cam (2), the strut (12) passes through first rotating shaft
(11) it is movably connected with cam (2), is equipped with top (5) on the inside of two struts (12), the bottom end of the top (5) is logical
The second shaft (13) to be crossed to be movably connected with strut (12), the left and right sides is provided with sliding slot (9) inside the top of the cam (2),
The Basolateral of the top (5) is mounted on connecting rod (8), and the connecting rod (8) passes through the second connecting shaft (7) and top (5) activity
It is connected, the outside of two connecting rods (8) is connected with sliding block (10), and the sliding block (10) and sliding slot (9) sliding are clamped, described
The inner lower edge of top (5) is equipped with vertical bar (14), and the vertical bar (14) is movably connected by the first connecting shaft (6) and top (5),
It is connected with connecting plate (15) on the inside of the bottom end of two vertical bars (14), is connected with the first screw rod on the inside of two connecting plates (15)
(16), the inner bottom of the cam (2) is connected with cross bar (20), and the center of the cross bar (20) is connected with barrel
(18), the inside of the barrel (18) is plugged with the second screw rod (19), and second screw rod (19) is threadedly coupled with barrel (18),
Second screw rod (19) is threadedly coupled with two the first screw rods (16), and the bottom end of second screw rod (19) is connected with toggle
(4), the toggle (4) penetrates cam (2) by wearing mouth (3).
2. a kind of self-adapted car brake camshaft according to claim 1, it is characterised in that: the top of the top (5)
End outer wall is socketed with soft aluminium (21), and the top of the soft aluminium (21) is connected with horizontal block (22), and the bottom end of the horizontal block (22) is affixed
Have compressed spring (27), the bottom end of the compressed spring (27) is connected with mandril (24), and the bottom end of the soft aluminium (21) is connected with
Jacking block (26), the mandril (24) are connected with jacking block (26) clamping.
3. a kind of self-adapted car brake camshaft according to claim 1, it is characterised in that: outside the toggle (4)
Wall is welded with screw thread item (17).
4. a kind of self-adapted car brake camshaft according to claim 2, it is characterised in that: the bottom of the mandril (24)
End is connected with Rubber end (25).
5. a kind of self-adapted car brake camshaft according to claim 2, it is characterised in that: the compressed spring (27)
Outer wall be socketed with sponge tube (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165779.2U CN208441898U (en) | 2018-07-23 | 2018-07-23 | A kind of self-adapted car brake camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165779.2U CN208441898U (en) | 2018-07-23 | 2018-07-23 | A kind of self-adapted car brake camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208441898U true CN208441898U (en) | 2019-01-29 |
Family
ID=65085839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165779.2U Expired - Fee Related CN208441898U (en) | 2018-07-23 | 2018-07-23 | A kind of self-adapted car brake camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208441898U (en) |
-
2018
- 2018-07-23 CN CN201821165779.2U patent/CN208441898U/en not_active Expired - Fee Related
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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 |