Automobile piston with stroke rod

Abstract

The utility model discloses an automobile piston with a stroke rod, which relates to the technical field of automobile pistons, and comprises a piston body, slide blocks, a first connecting rod and a nut, an annular groove is arranged on the outer side of the top of the piston body, a gas ring and an oil ring are embedded in the annular groove arranged on the outer side of the piston body, and the slide blocks are arranged on two sides of the piston body. The sliding block is slidably connected with the connecting shaft, the connecting shaft is rotatably connected with one end of the first connecting rod, the other end of the first connecting rod is welded to one end of the stroke rod, the number of the stroke rods is two, and one end of the bottom of each stroke rod penetrates through one end of the top of the bearing bush. Therefore, the distance between the bearing bush and the first connecting rod can be adjusted, the stroke initial position of the piston can be adjusted, and the compression ratio of the air cylinder is reasonably distributed.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile pistons, in particular to an automobile piston with a travel rod. Background Art

[0002] The piston is a very important component in the engine, and its movement state directly affects the performance of the engine. After searching, the Chinese patent authorization number CN219081720U discloses an automobile piston. Although the piston can prevent carbon deposits from entering the ring groove and causing the occurrence of a ring jam, the stable piston ring structure makes the piston ring not easy to loosen, avoiding scratches on the inner wall of the cylinder, ensuring the long-term normal operation of the automobile engine. If the initial position is too large, the cylinder volume will become larger, reducing the compression ratio, thereby reducing the power output of the engine; if the initial position is too small, the cylinder compression ratio will increase, increasing the combustion chamber pressure, thereby increasing the power output, but the piston's stroke inside the cylinder is fixed and cannot be adjusted according to actual use, resulting in low adjustability of the piston. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides an automobile piston with a stroke rod, which solves the problem in the background art that the prior piston has low adjustability and the stroke of the piston inside the cylinder cannot be adjusted according to actual use.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: an automobile piston with a travel rod, comprising a piston body, a slider, a first connecting rod and a nut, an annular groove is provided on the outer side of the top of the piston body, and an air ring and an oil ring are embedded in the annular groove provided on the outer side of the piston body, sliders are provided on both sides of the piston body, the sliders are slidably connected to the connecting shaft, the connecting shaft is rotatably connected to one end of the first connecting rod, the other end of the first connecting rod is welded to one end of the travel rod, two travel rods are provided, the bottom end of the travel rod passes through the top end of the bearing shell, the bottom end of the travel rod is threadedly connected to the nut on the outside, the nuts are distributed on the upper and lower sides of the top end of the bearing shell, and the two sides of the bottom of the bearing shell are connected to the retaining ring by bolts.

[0005] Preferably, grooves are provided on both sides of the piston body, and the shapes of the grooves on both sides of the piston body match the shape of the slider, and the outer wall of the slider matches the shape of the outer wall of the piston body, which helps to prevent the slider from affecting the sliding of the piston body inside the cylinder.

[0006] Preferably, a groove is provided on one side of the slider, and the cross-section of the groove on one side of the slider is a T-shaped structure. The groove on one side of the slider is engaged with the limiting grooves at both ends of the connecting shaft. By sliding the slider so that the groove on one side of the slider is engaged with the limiting grooves on both sides of the connecting shaft, the piston can be disassembled and installed without the aid of tools.

[0007] Preferably, the nuts are grouped in two, with four groups distributed outside the stroke rod, and gaskets are provided between adjacent nuts. The gaskets are made of rubber material, which helps prevent the nuts from rotating during the sliding process of the piston.

[0008] Preferably, the two ends of the bottom of the first connecting rod are welded to one end of the sliding rod, and the other end of the sliding rod is inserted into the bearing shell, so that the sliding rod can play a supporting role and avoid bending of the travel rod.

[0009] The utility model provides an automobile piston with a travel rod, which has the following beneficial effects:

[0010] (1) A car piston with a stroke rod. The piston is provided with a stroke rod. By adjusting the position of a nut on the stroke rod, the distance between the bearing and the first connecting rod can be adjusted, and the initial stroke position of the piston can be adjusted, so as to reasonably distribute the cylinder compression ratio.

[0011] (2) The automobile piston with a stroke rod, when the piston is taken out from the cylinder, the sliders on both sides of the piston body are removed by sliding, so that the sliders can be separated from the limit grooves at both ends of the connecting shaft, so that the connecting shaft can be removed and replaced, and the piston body can be replaced conveniently. By inserting the connecting shaft into the hole grooves on both sides of the body and inserting it into the top of the first connecting rod, by sliding the slider, the groove on one side of the slider is engaged with the limit grooves on both sides of the connecting shaft, the piston can be removed and installed without the help of tools, thereby improving the convenience of installation and disassembly.

[0012] Thus, the problem that the existing piston has low adjustability and the stroke of the piston inside the cylinder cannot be adjusted according to actual use is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the limit groove structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the bearing structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the first connecting rod structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the slider of the utility model.

[0018] In the figure, 1. piston body; 2. slider; 3. connecting shaft; 4. first connecting rod; 5. travel rod; 6. gasket; 7. nut; 8. bolt; 9. retaining ring; 10. limit groove; 11. slide rod; 12. air ring; 13. oil ring; 14. bearing. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1: Please refer to Figure 1-5 A car piston with a travel rod comprises a piston body 1, a slider 2, a first connecting rod 4 and a nut 7. An annular groove is provided on the outer side of the top of the piston body 1, and an air ring 12 and an oil ring 13 are embedded in the annular groove provided on the outer side of the piston body 1. Sliders 2 are provided on both sides of the piston body 1. The slides 2 are slidably connected to the connecting shaft 3. The connecting shaft 3 is rotatably connected to one end of the first connecting rod. The other end of the first connecting rod is welded to one end of the travel rod 5. The travel rod 5 is provided with two. The bottom end of the travel rod 5 passes through the top end of the bearing bush 14. The travel rod 5 The outside of the bottom end is threadedly connected to the nut 7, and the nut 7 is distributed on the upper and lower sides of one end of the top of the bearing shell 14. The two sides of the bottom of the bearing shell 14 are connected to the retaining ring 9 by bolts 8. Two nuts 7 are in a group, and there are four groups distributed outside the stroke rod 5. Gaskets 6 are arranged between adjacent nuts 7. The gaskets 6 are made of rubber. The piston is provided with a stroke rod 5. By adjusting the position of the nut 7 on the stroke rod 5, the distance between the bearing shell 14 and the first connecting rod 4 can be adjusted, and then the initial position of the piston stroke can be adjusted, thereby reasonably distributing the cylinder compression ratio.

[0021] Embodiment 2: Grooves are provided on both sides of the piston body 1, and the shapes of the grooves on both sides of the piston body 1 are consistent with the shape of the slider 2, and the outer wall of the slider 2 is consistent with the shape of the outer wall of the piston body 1. A groove is provided on one side of the slider 2, and the cross-section of the groove on one side of the slider 2 is a T-shaped structure, and the groove on one side of the slider 2 is engaged with the limiting grooves 10 at both ends of the connecting shaft 3. When the piston is taken out from the cylinder, the sliders 2 on both sides of the piston body 1 are removed by sliding, so that the sliders 2 can be disengaged from the limiting grooves 10 at both ends of the connecting shaft 3, so that the connecting shaft 3 can be disassembled and removed, thereby facilitating the replacement of the piston body 1, and the connecting shaft 3 is inserted into the hole grooves on both sides of the body and inserted into the top of the first connecting rod 4, and the slider 2 is slid to make the groove on one side of the slider 2 engage with the limiting grooves 10 on both sides of the connecting shaft 3, so that the piston can be disassembled and installed without the aid of tools, thereby improving the convenience of installation and disassembly.

[0022] Working principle: The piston is provided with a stroke rod 5. By adjusting the position of the nut 7 on the stroke rod 5, the distance between the bearing 14 and the first connecting rod 4 can be adjusted, and then the initial stroke position of the piston can be adjusted, so as to reasonably distribute the cylinder compression ratio. When the piston is taken out from the cylinder, the sliders 2 on both sides of the piston body 1 are removed by sliding, so that the sliders 2 can be disengaged from the limiting grooves 10 at both ends of the connecting shaft 3, so that the connecting shaft 3 can be disassembled and removed, and the piston body 1 can be replaced conveniently. The connecting shaft 3 is inserted into the hole grooves on both sides of the body and inserted into the top of the first connecting rod 4. By sliding the slider 2, the groove on one side of the slider 2 is engaged with the limiting grooves 10 on both sides of the connecting shaft 3.

[0023] The components of the utility model, 1. piston body; 2. slider; 3. connecting shaft; 4. first connecting rod; 5. travel rod; 6. gasket; 7. nut; 8. bolt; 9. retaining ring; 10. limit groove; 11. slide rod; 12. gas ring; 13. oil ring; 14. bearing shell, are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automobile piston with a travel rod, characterized in that: The invention comprises a piston body (1), a slider (2), a first connecting rod (4) and a nut (7). The piston body (1) is provided with an annular groove on the outer side of the top, and an air ring (12) and an oil ring (13) are embedded in the annular groove on the outer side of the piston body (1). Sliders (2) are provided on both sides of the piston body (1). The slides (2) are slidably connected to a connecting shaft (3). The connecting shaft (3) is rotatably connected to one end of a first connecting rod. The other end of the first connecting rod is welded to one end of a travel rod (5). Two travel rods (5) are provided. The bottom end of the travel rod (5) passes through the top end of a bearing bush (14). The bottom end of the travel rod (5) is threadedly connected to the nut (7). The nuts (7) are distributed on the upper and lower sides of the top end of the bearing bush (14). The bottom sides of the bearing bush (14) are connected to a retaining ring (9) via bolts (8).

2. The automobile piston with a travel rod according to claim 1, characterized in that: Grooves are provided on both sides of the piston body (1), and the shapes of the grooves on both sides of the piston body (1) match the shape of the slider (2), and the outer wall of the slider (2) matches the shape of the outer wall of the piston body (1).

3. The automobile piston with a travel rod according to claim 1, characterized in that: A groove is provided on one side of the slider (2), and the cross section of the groove on one side of the slider (2) is in a T-shaped structure. The groove on one side of the slider (2) is engaged with the limiting grooves (10) at both ends of the connecting shaft (3).

4. The automobile piston with a travel rod according to claim 1, characterized in that: The nuts (7) are grouped in two, with four groups distributed outside the travel rod (5), and washers (6) are provided between adjacent nuts (7), wherein the washers (6) are made of rubber.

5. The automobile piston with a travel rod according to claim 1, characterized in that: The two ends of the bottom of the first connecting rod (4) are welded to one end of the sliding rod (11), and the other end of the sliding rod (11) is inserted into the interior of the bearing bush (14).

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