Structure for increasing fastening of connecting rod

Abstract

The utility model belongs to the field of connecting rods, and particularly relates to a structure for increasing fastening of a connecting rod, which comprises a connecting rod body, a connecting rod cover is arranged at the top of the connecting rod body, a plurality of fixing bolts are arranged at the top of the connecting rod cover, and the connecting rod cover is connected with the connecting rod body through the fixing bolts. When the connecting rod body and the connecting rod cover are connected, the fixing bolt is in threaded connection with the interior of the bolt hole through threaded fit between the fixing bolt and the connecting rod cover as well as between the fixing bolt and the connecting rod body, so that the connecting rod body and the connecting rod cover can be fixed, then the rotating shaft rod is rotated, and the wound pull rope is loosened and stretched through rotation of the rotating shaft rod; at the moment, the pull rope recovers deformation to push the clamping rod to move so that the clamping rod can be clamped into the clamping groove, the firmness after installation can be further improved, rotation of the fixing bolt can be limited, the fixing bolt can be effectively prevented from loosening, and therefore the fastening reliability of connection between the connecting rod body and the connecting rod cover is improved.

Description

Technical Field

[0001] The utility model relates to the field of connecting rods, in particular to a structure for increasing the fastening of connecting rods. Background Art

[0002] The connecting rod connects the piston and the crankshaft, and transmits the force acting on the piston to the crankshaft, converting the reciprocating motion of the piston into the rotational motion of the crankshaft.

[0003] At present, the connection between the head cover and the connecting rod in most connecting rod structures on the market is simply fixed by four basic bolts, and the bolts are easy to loosen after long-term use, which will cause instability of the connection and reduce the fastening reliability. Therefore, a structure for increasing the fastening of the connecting rod is proposed to solve the above problem. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art, the connection between the head cover and the middle of the connecting rod in most connecting rod structures is mostly fixed simply by four basic bolts, and the bolts are prone to loosening after long-term use, which will lead to instability of the connection and reduce the fastening reliability. The utility model proposes a structure for increasing the fastening of the connecting rod.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the structure for increasing the fastening of the connecting rod described in the utility model includes a connecting rod body, a connecting rod cover is arranged on the top of the connecting rod body, a plurality of fixing bolts are arranged on the top of the connecting rod cover, the connecting rod cover is connected to the connecting rod body through the fixing bolts, a bolt hole is opened inside the connecting rod body, a rotating shaft rod is rotatably connected inside the fixing bolt, and two symmetrically distributed firm components are arranged inside the fixing bolt.

[0006] Preferably, the fixing component includes a movable groove, a clamping rod, a spring, a pull rope and a clamping groove, the movable groove is opened on one side of the fixing bolt, the clamping rod is slidably connected to the inside of the movable groove, the spring is fixedly connected to the inside of the movable groove, and the spring is fixedly connected to one side of the clamping rod, the pull rope is wrapped around the outside of the rotating shaft rod, one end of the pull rope is fixedly connected to one side of the clamping rod, the clamping groove is opened inside the connecting rod body, and the clamping groove is adapted to the clamping rod.

[0007] Preferably, the movable groove is connected to a slide groove inside, the outside of the clamping rod is fixedly connected to a slide plate, and the slide plate is slidably connected to the inside of the slide groove.

[0008] Preferably, a magnetic block is fixedly connected to the interior of the connecting rod body, and the magnetic block is magnetically connected to the fixing bolt.

[0009] Preferably, the number of the fixing bolts is eight, the eight fixing bolts are divided into two groups, and the two groups of fixing bolts are symmetrically distributed on the top of the connecting rod cover.

[0010] Preferably, a wrench groove is provided on the top of the rotating shaft rod.

[0011] The utility model is beneficial in that:

[0012] 1. When connecting the connecting rod body and the connecting rod cover, the fixing bolt is threadedly connected to the inside of the bolt hole through the threaded cooperation between the fixing bolt and the connecting rod cover and the connecting rod body, so that the connecting rod body and the connecting rod cover can be fixed, and then the rotating shaft rod is rotated. Through the rotation of the rotating shaft rod, the rope wrapped around it is loosened and stretched. At this time, the rope restores its deformation and pushes the clamping rod to move, so that it is clamped into the inside of the clamping groove, which can further increase the firmness after installation, and can limit the rotation of the fixing bolt, so as to effectively prevent the fixing bolt from loosening, thereby improving the fastening reliability of the connection between the connecting rod body and the connecting rod cover;

[0013] 2. The number of fixing bolts of the utility model is increased from the conventional four to four on one side, with a total of eight fixing bolts, which are matched with eight fixing components. In this way, the overall firmness is greatly improved, and there will be no looseness after connection, thereby making the firmness higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic side view of the overall structure of the utility model;

[0016] Figure 2 It is a schematic front view of the overall structure of the utility model;

[0017] Figure 3 It is a schematic top view of the overall structure of the utility model;

[0018] Figure 4 It is a schematic cross-sectional view of the local structure of the connecting rod body of the utility model;

[0019] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1. connecting rod body; 2. connecting rod cover; 3. fixing bolt; 4. bolt hole; 5. rotating shaft rod; 6. fixing component; 601. movable groove; 602. clamping rod; 603. spring; 604. pull rope; 605. clamping slot; 7. slide slot; 8. slide plate; 9. magnet block. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 5 As shown, a structure for increasing the fastening of a connecting rod comprises a connecting rod body 1, a connecting rod cover 2 is arranged on the top of the connecting rod body 1, a plurality of fixing bolts 3 are arranged on the top of the connecting rod cover 2, the connecting rod cover 2 is connected to the connecting rod body 1 through the fixing bolts 3, a bolt hole 4 is opened inside the connecting rod body 1, a rotating shaft rod 5 is rotatably connected inside the fixing bolt 3, and two symmetrically distributed firm components 6 are arranged inside the fixing bolt 3;

[0023] During operation, when connecting the connecting rod body 1 and the connecting rod cover 2, the fixing bolt 3 is threadedly connected to the inside of the bolt hole 4 through the threaded cooperation between the fixing bolt 3 and the connecting rod cover 2 and the connecting rod body 1, so that the connecting rod body 1 and the connecting rod cover 2 can be fixed, and then the rotating shaft rod 5 is rotated. The fastening reliability of the connection between the connecting rod body 1 and the connecting rod cover 2 can be improved by the rotation of the rotating shaft rod 5 and the fixing component 6.

[0024] Further, the fixing component 6 includes a movable groove 601, a clamping rod 602, a spring 603, a pull rope 604 and a clamping groove 605, wherein the movable groove 601 is provided at one side of the fixing bolt 3, the clamping rod 602 is slidably connected to the inside of the movable groove 601, the spring 603 is fixedly connected to the inside of the movable groove 601, and the spring 603 is fixedly connected to one side of the clamping rod 602, the pull rope 604 is wound around the outside of the rotating shaft rod 5, one end of the pull rope 604 is fixedly connected to one side of the clamping rod 602, the clamping groove 605 is provided at the inside of the connecting rod body 1, and the clamping groove 605 is adapted to the clamping rod 602;

[0025] During operation, the rotating shaft rod 5 rotates, and the rope 604 wrapped around it loosens and stretches. Then, the rope 604 restores its deformation and pushes the clamping rod 602 to move, thereby being clamped into the inside of the clamping groove 605. This can further increase the firmness after installation, and can limit the rotation of the fixing bolt 3, thereby effectively preventing the fixing bolt 3 from loosening.

[0026] Furthermore, the interior of the movable groove 601 is connected to a slide groove 7, and the exterior of the clamping rod 602 is fixedly connected to a slide plate 8, which is slidably connected to the interior of the slide groove 7;

[0027] During operation, the slide plate 8 slidably connected to the inside of the slide groove 7 enables the clamping rod 602 to move smoothly without rotating.

[0028] Furthermore, a magnetic block 9 is fixedly connected inside the connecting rod body 1, and the magnetic block 9 is magnetically connected to the fixing bolt 3;

[0029] During operation, the magnetic block 9 is arranged so that when the fixing bolt 3 enters the deepest part of the bolt hole 4, its bottom can be adsorbed, thereby increasing the installation firmness.

[0030] Furthermore, the number of the fixing bolts 3 is eight, and the eight fixing bolts 3 are divided into two groups, and the two groups of fixing bolts 3 are symmetrically distributed on the top of the connecting rod cover 2;

[0031] During operation, the number of fixing bolts 3 is increased from the conventional four to four on one side, with a total of eight fixing bolts 3, which are matched with eight fixing components 6, so that the overall firmness is greatly improved and no looseness will occur after connection.

[0032] Furthermore, a wrench slot is provided on the top of the rotating shaft rod 5;

[0033] During operation, the provided spanner slot can facilitate the rotation of the rotating shaft rod 5 .

[0034] Working principle: when connecting the connecting rod body 1 and the connecting rod cover 2, the fixing bolt 3 is threadedly connected to the inside of the bolt hole 4 through the threaded cooperation between the fixing bolt 3 and the connecting rod cover 2 and the connecting rod body 1, so that the connecting rod body 1 and the connecting rod cover 2 can be fixed, and then the rotating shaft rod 5 is rotated. Through the rotation of the rotating shaft rod 5, the pull rope 604 wrapped therearound is loosened and stretched. At this time, the pull rope 604 restores its deformation and pushes the clamping rod 602 to move, thereby clamping into the inside of the clamping groove 605, which can further increase the firmness after installation, and can limit the rotation of the fixing bolt 3, thereby effectively preventing the fixing bolt 3 from loosening, and the number of the fixing bolts 3 is increased from the conventional four to four on one side, with a total of eight fixing bolts 3, combined with eight fixing components 6, so that the overall firmness is greatly improved, and no looseness will occur after connection.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A structure for increasing the fastening of a connecting rod, characterized in that: The invention comprises a connecting rod body (1), a connecting rod cover (2) is arranged on the top of the connecting rod body (1), a plurality of fixing bolts (3) are arranged on the top of the connecting rod cover (2), the connecting rod cover (2) is connected to the connecting rod body (1) through the fixing bolts (3), a bolt hole (4) is provided inside the connecting rod body (1), a rotating shaft rod (5) is rotatably connected inside the fixing bolt (3), and two symmetrically distributed firm components (6) are arranged inside the fixing bolt (3).

2. A structure for increasing the fastening of a connecting rod according to claim 1, characterized in that: The fixing component (6) comprises a movable groove (601), a clamping rod (602), a spring (603), a pull rope (604) and a clamping groove (605); the movable groove (601) is provided on one side of the fixing bolt (3); the clamping rod (602) is slidably connected to the inside of the movable groove (601); the spring (603) is fixedly connected to the inside of the movable groove (601), and the spring (603) is fixedly connected to one side of the clamping rod (602); the pull rope (604) is wound around the outside of the rotating shaft rod (5); one end of the pull rope (604) is fixedly connected to one side of the clamping rod (602); the clamping groove (605) is provided in the inside of the connecting rod body (1), and the clamping groove (605) is adapted to the clamping rod (602).

3. A structure for increasing the fastening of a connecting rod according to claim 2, characterized in that: The interior of the movable groove (601) is connected to a slide groove (7), and the exterior of the clamping rod (602) is fixedly connected to a slide plate (8), and the slide plate (8) is slidably connected to the interior of the slide groove (7).

4. The structure for increasing the fastening of the connecting rod according to claim 1, characterized in that: A magnetic block (9) is fixedly connected inside the connecting rod body (1), and the magnetic block (9) is magnetically connected to the fixing bolt (3).

5. The structure for increasing the fastening of the connecting rod according to claim 1, characterized in that: The number of the fixing bolts (3) is eight, and the eight fixing bolts (3) are divided into two groups. The two groups of fixing bolts (3) are symmetrically distributed on the top of the connecting rod cover (2).

6. The structure for increasing the fastening of the connecting rod according to claim 1, characterized in that: A spanner groove is provided on the top of the rotating shaft rod (5).

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