Automobile piston

Abstract

The utility model belongs to the technical field of pistons, and particularly relates to an automobile piston which comprises a piston body, pin shafts are symmetrically arranged on the two sides of the piston body, a plurality of ring grooves are formed in the upper end of the outer side of the piston body, a piston ring is installed on each ring groove and used for sealing combustible mixed gas in a combustion chamber, and a damping block is arranged at the bottom of the piston body. And vibration generated in the working process is reduced through the damping blocks, and the comfort of automobile driving is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pistons, in particular to an automobile piston. Background Art

[0002] In a car engine, the piston is an important component of a reciprocating internal combustion engine. It bears gas pressure and transmits this force to the crankshaft through the piston pin and the connecting rod, causing the crankshaft to rotate and output power. The piston ring is embedded in the piston groove and can be used to seal the excess oil in the combustion chamber. The piston ring installed in the existing piston has poor durability and needs to be replaced frequently. In addition, the shock absorbing effect of the piston is not good, which reduces the driving comfort of the car. Utility Model Content

[0003] The purpose of the utility model is to provide an automobile piston for solving the above-mentioned technical problems in order to solve the problems in the above-mentioned background technology.

[0004] In view of this, the utility model provides an automobile piston, including a piston body, pin holes are symmetrically opened on both sides of the piston body, a plurality of ring grooves are arranged on the outer upper end of the piston body, a piston ring is installed on each ring groove, and a shock absorbing block is arranged at the bottom of the piston body.

[0005] In the above technical solution, further, the piston ring includes a piston ring split, which is composed of several piston ring splits. A connecting rod is fixedly connected to one side of the piston ring split, and both ends of the connecting rod are fixedly connected to protruding blocks. An installation groove is opened on the other side of the piston ring split, and the installation groove is adapted to the connecting rod.

[0006] In the above technical solution, further, the raised block is arranged in a hemispherical shape, and the connecting rod is fixed on the piston ring split body in the upper and lower directions.

[0007] In the above technical solution, further, a corrosion-resistant rod is fixedly connected to the inner side of the piston ring split, and a reinforcing rod is fixedly connected to the inner side of the corrosion-resistant rod.

[0008] In the above technical solution, further, the reinforcing rod is arranged in a semi-arc shape, and a reinforcing block is laterally fixedly connected to the inner side of the corrosion-resistant rod.

[0009] In the above technical solution, further, the reinforcement blocks all penetrate the corrosion-resistant rod and the reinforcement rod, and the outer sides of the reinforcement blocks are fixedly connected to the inner sides of the piston ring split and the reinforcement rod.

[0010] In the above technical solution, further, the shock absorbing block includes an integrally formed protrusion and a shock absorbing block body, a groove is provided at the bottom of the piston body, the protrusion is installed on the groove, and the protrusion and the piston body are fixedly connected by bolts.

[0011] In the above technical solution, further, the top surface of the piston body is a spherical surface.

[0012] The beneficial effects of the utility model are:

[0013] 1. Insert the connecting rod and the raised block into the installation of another piston ring split. The raised block will increase the tension on the inside when the connecting rod is inserted, thereby assembling the two piston ring splits together.

[0014] 2. The shock-absorbing block reduces the vibration generated during work and improves the driving comfort of the car.

[0015] 3. When used for a long time, due to the different stress points at different positions, the piston ring with a greater degree of damage can be pulled out and the part with the greatest damage can be replaced, thereby reducing the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the internal structure of the utility model;

[0018] Figure 3 This utility model Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 This is an exploded diagram of the piston ring of the utility model;

[0020] Figure 5 This is a sectional view of the internal structure of the split piston ring of the utility model;

[0021] Figure 6 This utility model Figure 5 A partial enlarged view of point B in the middle;

[0022] The markings in the figure are: 1-piston body, 2-pin hole, 3-ring groove, 4-piston ring, 5-shock absorber block, 6-piston ring split, 7-connecting rod, 8-protrusion block, 9-mounting groove, 10-corrosion-resistant rod, 11-reinforcement rod, 12-reinforcement ring, 13-protrusion, 14-shock absorber block body, 15-groove, 16-bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0024] Embodiment 1:

[0025] This embodiment provides an automobile piston, comprising:

[0026] A piston body 1, pin holes 2 are symmetrically provided on both sides of the piston body 1, and a plurality of ring grooves 3 are provided on the outer upper end of the piston body 1;

[0027] Piston ring 4, each ring groove 3 is equipped with a piston ring 4;

[0028] Shock-absorbing block 5 : A shock-absorbing block 5 is arranged at the bottom of the piston body 1 .

[0029] It can be seen from the present embodiment that pin shafts 2 are symmetrically provided on both sides of the piston body 1, a plurality of ring grooves 3 are provided on the outer upper end of the piston body 1, a piston ring 4 is installed on each ring groove 3 for sealing the combustible mixture in the combustion chamber, and a shock absorbing block 5 is provided at the bottom of the piston body 1, and the shock absorbing block 5 reduces the vibration generated during operation, thereby improving the driving comfort of the car.

[0030] Embodiment 2:

[0031] This embodiment provides an automobile piston, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0032] The piston ring 4 includes:

[0033] The piston ring split 6, the piston ring 4 is formed by splicing a plurality of piston ring splits 6;

[0034] A connecting rod 7, one side of the piston ring split body 6 is fixedly connected with the connecting rod 7;

[0035] A protruding block 8, both ends of the connecting rod 7 are fixedly connected with a protruding block 8;

[0036] An installation groove 9 is provided on the other side of the piston ring body 6 , and the installation groove 9 is matched with the connecting rod 7 .

[0037] It can be seen from this embodiment that the piston ring split 6 is made of a material with impact toughness, elasticity and sufficient mechanical strength. The piston ring 4 is arranged as four piston ring splits 6, which are inserted into the mounting groove 9 of another piston ring split 6 through the connecting rod 7 and the protruding block 8. The protruding block 8 increases the tension of the inner side when the connecting rod 7 is inserted, and then the two piston ring splits 6 are assembled together, thereby completing the assembly of the piston ring 4. When used for a long time, due to the different force points at different positions, the piston ring split 6 with a greater degree of damage can be pulled out of the piston ring 4, and the position with severe local damage can be replaced, thereby reducing the cost of use.

[0038] Embodiment 3:

[0039] This embodiment provides an automobile piston, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0040] The raised block 8 is hemispherical, and the connecting rod 7 is fixed on the piston ring split body 6 up and down.

[0041] It can be seen from this embodiment that the protrusion 8 is arranged in a conical shape, and the connecting rod 7 is fixed up and down in the piston ring split 6. By arranging the protrusion 8 in the connecting rod 7, a tightening effect is formed when the connecting rod 7 is inserted into the installation groove 9, and then it is clamped in the installation groove 9, which is convenient for assembly.

[0042] Embodiment 4:

[0043] This embodiment provides an automobile piston, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0044] A corrosion-resistant rod 10 is fixedly connected to the inner side of the piston ring split body 6 , and a reinforcing rod 11 is fixedly connected to the inner side of the corrosion-resistant rod 10 .

[0045] It can be seen from this embodiment that the corrosion resistance of the piston ring split 6 is improved by arranging the corrosion-resistant rod 10 and the reinforcing rod 11 on the inner side of the piston ring split 6, thereby increasing the overall inner hardness of the piston ring 4 without damaging the external deformation effect, thereby further enhancing the service life.

[0046] Embodiment 5:

[0047] This embodiment provides an automobile piston, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0048] The reinforcing rod 11 is arranged in a semi-arc shape, and a reinforcing block 12 is laterally fixedly connected to the inner side of the corrosion-resistant rod 10 .

[0049] It can be seen from this embodiment that the reinforcing rod 11 is arranged in a semi-arc shape, and a reinforcing block 12 is laterally fixedly connected to the inner side of the corrosion-resistant rod 10. The provision of the reinforcing block 12 further enhances the connection strength between the corrosion-resistant rod 10 and the reinforcing rod 11, thereby extending the service life of the piston ring split 6.

[0050] Embodiment 6:

[0051] This embodiment provides an automobile piston, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0052] The reinforcement blocks 12 penetrate the corrosion-resistant rod 10 and the reinforcement rod 11 , and the outer sides of the reinforcement blocks 12 are fixedly connected to the inner sides of the piston ring split 6 and the reinforcement rod 11 .

[0053] It can be seen from this embodiment that the reinforcement blocks 12 penetrate the corrosion-resistant rod 10 and the reinforcement rod 11, and the outer sides of the reinforcement blocks 12 are fixedly connected to the inner sides of the piston ring split 6 and the reinforcement rod 11, ensuring the overall strength and stability of the piston ring 4.

[0054] Embodiment 7:

[0055] This embodiment provides an automobile piston, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0056] The damping block 5 includes an integrally formed bump 13 and a damping block body 14 . A groove 15 is formed at the bottom of the piston body 1 . The bump 13 is mounted on the groove 15 . The bump 13 and the piston body 1 are fixedly connected by bolts 16 .

[0057] It can be seen from this embodiment that the bump 13 and the shock-absorbing block body 14 are integrally formed, with high structural strength and long service life. The bump 13 is installed on the groove 15, and the bump 13 and the piston body 1 are fixedly connected by bolts 16, which are easy to install and disassemble. The shock-absorbing block 5 is made of rubber material, the material has good elasticity and obvious shock-absorbing effect.

[0058] Embodiment 8:

[0059] This embodiment provides an automobile piston, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0060] The top surface of the piston body 1 is a spherical surface.

[0061] It can be seen from this embodiment that the top surface of the piston body 1 is a spherical surface, and the special top shape can meet different requirements in the combustion process.

[0062] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An automobile piston, characterized in that: include: A piston body (1), wherein pin holes (2) are symmetrically provided on both sides of the piston body (1), and a plurality of annular grooves (3) are provided on the upper end of the outer side of the piston body (1); A piston ring (4), wherein each of the ring grooves (3) is provided with a piston ring (4); A shock absorbing block (5), wherein the bottom of the piston body (1) is provided with a shock absorbing block (5); Wherein, the piston ring (4) comprises: A piston ring split (6), wherein the piston ring (4) is formed by splicing a plurality of piston ring splits (6); A connecting rod (7), one side of the piston ring body (6) is fixedly connected to the connecting rod (7); A protruding block (8), both ends of the connecting rod (7) are fixedly connected with a protruding block (8); A mounting groove (9), a mounting groove (9) is provided on the other side of the piston ring split body (6), and the mounting groove (9) is adapted to the connecting rod (7).

2. An automobile piston according to claim 1, characterized in that: The protruding block (8) is arranged in a hemispherical shape, and the connecting rod (7) is fixed on the piston ring split body (6) in an upper and lower manner.

3. An automobile piston according to claim 2, characterized in that: The inner side of the piston ring split body (6) is fixedly connected to a corrosion-resistant rod (10), and the inner side of the corrosion-resistant rod (10) is fixedly connected to a reinforcing rod (11).

4. The automobile piston according to claim 3, characterized in that: The reinforcing rod (11) is arranged in a semi-arc shape, and a reinforcing block (12) is laterally fixedly connected to the inner side of the corrosion-resistant rod (10).

5. The automobile piston according to claim 4, characterized in that: The reinforcing blocks (12) penetrate the corrosion-resistant rod (10) and the reinforcing rod (11), and the outer sides of the reinforcing blocks (12) are fixedly connected to the inner sides of the piston ring split (6) and the reinforcing rod (11).

6. The automobile piston according to claim 5, characterized in that: The damping block (5) comprises an integrally formed convex block (13) and a damping block body (14); a groove (15) is provided at the bottom of the piston body (1); the convex block (13) is mounted on the groove (15); and the convex block (13) and the piston body (1) are fixedly connected by bolts (16).

7. The automobile piston according to claim 6, characterized in that: The top surface of the piston body (1) is a spherical surface.

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