CN208870661U - A kind of new engine swing rod - Google Patents
A kind of new engine swing rod Download PDFInfo
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- CN208870661U CN208870661U CN201821649397.7U CN201821649397U CN208870661U CN 208870661 U CN208870661 U CN 208870661U CN 201821649397 U CN201821649397 U CN 201821649397U CN 208870661 U CN208870661 U CN 208870661U
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- swing rod
- spring
- spring supporting
- supporting block
- wing plate
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Abstract
A kind of new engine swing rod, for engine power system, it is installed on cam, roller rock arm, fixed block, between eccentric wheel and spring, including swing rod main body, swing rod main body includes two pieces of side walls, wherein one end of two pieces of side walls and intermediate corresponding position offer pin shaft hole, installation end bearing external member and intermediate bearing external member respectively, two pieces of the side wall other end is connected by linkage section, linkage section has curvilinear bottom surface, spring supporting block is equipped between two pieces of side walls, spring supporting block one end is connected with linkage section, other end two sides are equipped with wing plate, wing plate is set up on side wall, spring supporting block and the T-shaped structure of wing plate.The utility model swing rod the operation is stable, spring supporting face ensure that spring can slide on, since spring can be completely attached to spring supporting face always, therefore the case where there is no spring installation deflections, reduce the required precision of spring, for pin shaft using the technique of hard rotation riveting, pin shaft, which is freely rotatable, makes its even wearing.
Description
Technical field
The utility model relates to engine apparatus technical field, in particular to a kind of new engine swing rod.
Background technique
Swing rod is the important component in engine power system, and effect is to convert roller rock arm for the rotation of camshaft
Up and down motion, to control the lift of valve.
Existing swing rod has the disadvantage that:
1. fixed spring is only played in the spring supporting face of swing rod shaft, spring can make swing rod inclined if being equipped with deflection
Tiltedly, the motion profile for not only resulting in swing rod is incorrect, also results in the eccentric wear of swing rod Yu its matching piece, this is just to the precision of spring
It is required that relatively high.
The shortcomings that pressing, pressing 2. bearing pin portion is divided into is that pin shaft cannot rotate, and abrasion is uneven, can be led when extrusion pressure is excessive
The deformation of pin shaft hole is caused, and heat treatment process is complicated.
Utility model content
The utility model will solve problem of the prior art, provide a kind of new engine swing rod, the operation is stable, spring
Supporting surface ensure that spring can slide on, and spring can be completely attached to spring supporting face always, reduce the precision of spring
It is required that technique of the pin shaft using hard rotation riveting, pin shaft, which is freely rotatable, makes its even wearing.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of new engine swing rod, be used for engine power system, be installed on cam, roller rock arm, fixed block, partially
Between heart wheel and spring, including swing rod main body, swing rod main body include two pieces of side walls, wherein one end of two pieces of side walls and intermediate pair
Position is answered to offer pin shaft hole, respectively installation end bearing external member and intermediate bearing external member, end bearing external member and intermediate bearing external member
Pin shaft, needle roller and bearing outer ring are respectively included, needle roller effect is to reduce friction, and pin shaft plays installation carrying.Two pieces of institutes
The side wall other end stated is connected by linkage section, and linkage section has curvilinear bottom surface, is located between two pieces of side walls and is equipped with bullet
Spring supporting block, spring supporting block one end are connected with linkage section, and other end two sides are equipped with wing plate, and wing plate is set up on side wall, spring
Supporting block and the T-shaped structure of wing plate.After assembling, the bearing outer ring of cam and intermediate bearing external member on camshaft offsets,
The bottom surface of bearing external member and linkage section on roller rock arm offsets, the bearing outer ring phase of fixed block and eccentric wheel and end bearing external member
It supports, the upper surface of spring and spring supporting block offsets, and the motion profile that spring is kept fixed resets swing rod, and swing rod is by cam
Axis is converted into the up and down motion of roller rock arm, to control the lift of valve.
Preferably, the side wall, linkage section, spring supporting block and wing plate are integrally formed by punching press.In one block of plate
On process the shape at each position of swing rod main body, then the moulding by being stamped and formed out swing rod main body, simple process.
Preferably, the upper surface of the spring supporting block is in reclinate arc, i.e., spring force is come from along what is be subject to
Direction bending.
It is set up on side wall preferably, the wing plate is domed, wing plate directly offsets with side wall, or passes through welding etc.
Mode is fixedly connected with side wall.
Preferably, the upper surface two sides of the spring supporting block are equipped with chamfering, excessive friction is avoided.
Preferably, the bearing outer ring of the end bearing external member includes an intermediate outer ring and two sides outer ring, and intermediate
The diameter of outer ring is greater than the diameter of side outer ring.Intermediate outer ring is coupled with fixed block, and effect is the position of fixed pin shaft, is made
Swing rod can be coupled around the central axis rotation of pin shaft, side outer ring with eccentric wheel, and effect is to push swing rod rotation.
Preferably, the pin shaft of the end bearing external member and intermediate bearing external member is installed by revolving riveting mode, can freely revolve
Turn to make its even wearing.
The utility model has the beneficial effects that: the spring supporting block of 1, swing rod ensure that spring can be slided on surface on it
It is dynamic, since spring can be completely attached to supporting surface always, therefore the case where spring installs deflection is not present, reduces the essence to spring
Degree requires.
2, the spring supporting block of swing rod is connect with two side walls by two wing plates, and spring supporting block is on the one hand prevented to exist
On the other hand deformation after heat treatment strengthens the intensity of spring supporting block and guarantees the precision of spring movement track.
3, the spring supporting block of swing rod and two wing plates can direct punch forming, simple process.
4, pin shaft using hard rotation riveting assembly technology, heat treatment process big with extrusion pressure be simple and integral quenching it is excellent
Point, and pin shaft is freely rotatable makes its even wearing.
5, the negligible amounts of swing rod part, function is integrated, and friction and wear is small, the operation is stable, improves engine efficiency, drop
Low cost.
Detailed description of the invention
Fig. 1 is the operation schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the enlarged diagram in Fig. 2 at A.
Fig. 4 is the structural schematic diagram of the utility model middle-end bearing external member.
In figure: 1, swing rod main body；1.1,1.2, side wall；1.3, linkage section；1.4, bottom surface；1.5, spring supporting block；1.6
1.7, wing plate；1.8, chamfering；2, end bearing external member；2.1, intermediate outer ring；2.2,2.3, side outer ring；3, intermediate bearing external member；4,
Cam；5, roller rock arm；6, fixed block；7, eccentric wheel；8, spring.
Specific embodiment
The utility model is further described below by specific embodiment and attached drawing.
Embodiment are as follows: as shown in Figs. 1-2, a kind of new engine swing rod is used for engine power system, is installed on
Between cam 4, roller rock arm 5, fixed block 6, eccentric wheel 7 and spring 8, including swing rod main body 1, swing rod main body 1 include two pieces of sides
Wall 1.1,1.2, wherein one end of two pieces of side walls 1.1,1.2 and the corresponding position of centre offer pin shaft hole, respectively installation end axis
Bearing sleeve part 2 and intermediate bearing external member 3, end bearing external member 2 and intermediate bearing external member 3 respectively include pin shaft, needle roller and bearing outer ring,
And pin shaft is installed by revolving riveting mode.Wherein, as shown in connection with fig. 4, the bearing outer ring of end bearing external member 2 includes an intermediate outer ring
2.1 and two sides outer ring 2.2,2.3, and the diameter of intermediate outer ring 2.1 is greater than the diameter of side outer ring 2.2,2.3.
In conjunction with shown in Fig. 2-3, two pieces of side walls 1.1,1.2 other ends are connected by linkage section 1.3, and linkage section 1.3, which has, is in
Curvilinear bottom surface 1.4 is located between two pieces of side walls 1.1,1.2 and is equipped with spring supporting block 1.5,1.5 one end of spring supporting block with
Linkage section 1.3 is connected, and other end two sides are equipped with wing plate 1.6,1.7, and wing plate 1.6,1.7 is set up on side wall 1.1,1.2, spring branch
Bracer 1.5 and wing plate 1.6,1.7 T-shaped structures.
Wherein, the upper surface of spring supporting block 1.5 is in reclinate arc, and the two sides of upper surface are equipped with chamfering 1.8.
Be set up on side wall 1.1,1.2 in addition, wing plate 1.6,1.7 is domed, wing plate 1.6,1.7 directly with side wall 1.1,1.2 companies of offseting
It connects, can also be fixedly connected by modes such as welding with side wall 1.1,1.2.
After assembling, the cam 4 on camshaft and the bearing outer ring of intermediate bearing external member 3 offset, the axis on roller rock arm 5
Bearing sleeve part and the bottom surface 1.4 of linkage section 1.3 offset, and fixed block 6 and the intermediate outer ring 2.1 of end bearing external member 2 offset, eccentric wheel 7
It offsets with two sides outer ring 2.2,2.3 of end bearing external member 2, spring 8 and the upper surface of spring supporting block 1.5 offset, and spring 8 is protected
Fixed motion profile is held, swing rod main body 1 is resetted, swing rod main body 1 is converted into the upper and lower of roller rock arm 5 for camshaft
Movement, to control the lift of valve.
In the present embodiment, side wall 1.1,1.2, linkage section 1.3, spring supporting block 1.5 and wing plate 1.6,1.7 pass through punching
Pressure is integrally formed, and specifically, the shape at each position of swing rod main body 1 is processed on one block of plate, before being with linkage section 1.3
Side, the side wall 1.1,1.2 of two sides are bent respectively backward, " T " font structure that spring supporting block 1.5 and wing plate 1.6,1.7 are constituted
Also it bends backward, and forms corresponding shape, after the moulding for completing swing rod main body 1, finally carrying out end bearing external member 2 and centre
The subsequent assembly processing such as the assembly of bearing external member 3, completes the swing rod product of engine.
The foregoing is merely the structure features of specific embodiment of the utility model, but the utility model to be not limited to
This, the utility model can be used on similar product, and any those skilled in the art is in the field of the utility model, institute
The changes or modifications of work all cover among the scope of the patents of the utility model.
Claims (7)
1. a kind of new engine swing rod is used for engine power system, it is installed on cam (4), roller rock arm (5), fixes
Between block (6), eccentric wheel (7) and spring (8), including swing rod main body (1), swing rod main body (1) include two pieces of side walls (1.1,
1.2), wherein one end of two pieces of side walls (1.1,1.2) and intermediate corresponding position offer pin shaft hole, respectively installation end bearing holder (housing, cover)
Part (2) and intermediate bearing external member (3), end bearing external member (2) and intermediate bearing external member (3) respectively include pin shaft, needle roller and bearing
Outer ring, it is characterised in that: side wall (1.1, the 1.2) other end described in two pieces is connected by linkage section (1.3), linkage section (1.3)
With curvilinear bottom surface (1.4), it is located between two pieces of side walls (1.1,1.2) and is equipped with spring supporting block (1.5), spring supporting
Block (1.5) one end is connected with linkage section (1.3), and other end two sides are equipped with wing plate (1.6,1.7), and wing plate (1.6,1.7) is set up in
On side wall (1.1,1.2), spring supporting block (1.5) and wing plate (1.6,1.7) T-shaped structure.
2. a kind of new engine swing rod according to claim 1, it is characterised in that: the side wall (1.1,1.2) connects
Section (1.3), spring supporting block (1.5) and wing plate (1.6,1.7) is connect to be integrally formed by punching press.
3. a kind of new engine swing rod according to claim 1, it is characterised in that: the spring supporting block (1.5)
Upper surface be in reclinate arc.
4. a kind of new engine swing rod according to claim 3, it is characterised in that: the wing plate (1.6,1.7) is in
Arched frame is set on side wall (1.1,1.2), and wing plate (1.6,1.7) directly offsets with side wall (1.1,1.2) or by welding and side
Wall (1.1,1.2) connection.
5. a kind of new engine swing rod according to claim 3, it is characterised in that: the spring supporting block (1.5)
Upper surface two sides be equipped with chamfering (1.8).
6. a kind of new engine swing rod according to claim 1, it is characterised in that: the end bearing external member (2)
Bearing outer ring includes an intermediate outer ring (2.1) and two sides outer ring (2.2,2.3), and the diameter of intermediate outer ring (2.1) is greater than
The diameter of side outer ring (2.2,2.3).
7. a kind of new engine swing rod according to claim 1-4, it is characterised in that: the end bearing set
Part (2) and the pin shaft of intermediate bearing external member (3) are installed by revolving riveting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649397.7U CN208870661U (en) | 2018-10-11 | 2018-10-11 | A kind of new engine swing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649397.7U CN208870661U (en) | 2018-10-11 | 2018-10-11 | A kind of new engine swing rod |
Publications (1)
| Publication Number | Publication Date |
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| CN208870661U true CN208870661U (en) | 2019-05-17 |
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ID=66469903
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821649397.7U Active CN208870661U (en) | 2018-10-11 | 2018-10-11 | A kind of new engine swing rod |
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| CN (1) | CN208870661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519245A (en) * | 2018-10-11 | 2019-03-26 | 杭州新坐标科技股份有限公司 | A kind of new engine swing rod |
-
2018
- 2018-10-11 CN CN201821649397.7U patent/CN208870661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519245A (en) * | 2018-10-11 | 2019-03-26 | 杭州新坐标科技股份有限公司 | A kind of new engine swing rod |
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