CN216077944U

CN216077944U - High-strength inner connecting rod

Info

Publication number: CN216077944U
Application number: CN202122530923.6U
Authority: CN
Inventors: 黄诚; 崔俊彬; 周顺康
Original assignee: Xinxiang Qiancheng Mechanical And Electrical Co ltd
Current assignee: Xinxiang Qiancheng Mechanical And Electrical Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-18
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a high-strength inner connecting rod and relates to the technical field of connecting rods. Including the connecting rod microcephaly, the connecting rod microcephaly is fixed with boss A, it has the transfer line to run through in the boss A, and slidable mounting has the transfer line in the boss, the transfer line passes the enhancement strip and rotates and install in the enhancement strip, the enhancement strip is provided with three groups and from last to arranging in proper order down, the bottom the enhancement strip passes through transfer line movable mounting on boss B, boss B is fixed with the connecting rod big head, be provided with the adjusting device who is used for adjusting interval between microcephaly of connecting rod and the connecting rod big head in the boss A, adjusting device includes drive mechanism, fixed establishment and stop gear. The distance between the small end of the connecting rod and the big end of the connecting rod is adjusted in a folding mode, so that the high-strength inner connecting rod is adjusted according to the distance between the piston and the crankshaft, the whole device has certain flexibility, and the carrying is convenient.

Description

High-strength inner connecting rod

Technical Field

The utility model relates to the technical field of connecting rods, in particular to a high-strength inner connecting rod.

Background

The connecting rod is a mechanism which connects the piston and the crankshaft, transmits acting force borne by the piston to the crankshaft and converts reciprocating motion of the piston into rotary motion of the crankshaft. The connecting rod group consists of a rod body, a connecting rod big end and a connecting rod small end. The connecting rod bears the action of gas acting force transmitted by a piston pin, the self-swinging action of the gas acting force and the action of reciprocating inertia force of a piston group, and the magnitude and the direction of the forces are periodically changed, so that the connecting rod is subjected to alternating load action such as compression, tension and the like, the connecting rod has enough fatigue strength, the fatigue strength is insufficient, and the connecting rod body or the connecting rod bolt is often broken, so that the serious accident of the whole machine damage is generated.

The common high-strength inner connecting rod cannot adjust the distance between the large end of the connecting rod and the small end of the connecting rod in the using process, so that the inner connecting rod needs to be manufactured by measuring the distance between a piston and a crankshaft, and the connecting rod is easily damaged when compressed and stretched by the common method for adjusting the inner connecting rod.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-strength inner connecting rod, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a connecting rod in high strength, includes the connecting rod microcephaly, the connecting rod microcephaly is fixed with boss A, it has the transfer line to run through in the boss A, and slidable mounting has the transfer line in the boss A, the transfer line passes the enhancement strip and rotates and install in the enhancement strip, the enhancement strip is provided with three groups and from last to arranging in proper order down, the bottom the enhancement strip passes through transfer line movable mounting on boss B, boss B is fixed with the connecting rod major part, be provided with the adjusting device who is used for adjusting interval between link microcephaly and the connecting rod major part in the boss A, adjusting device includes drive mechanism, fixed establishment and stop gear.

Preferably, the transmission mechanism comprises a sliding rod and a rotating rod, one end of the sliding rod is fixed on the transmission rod, the rotating rod is rotatably installed in the reinforcing block A, the rotating rod penetrates through the transmission rod and is slidably installed in the transmission rod, an arc-shaped sliding groove is formed in the surface of the rotating rod, and the other end of the sliding rod is slidably installed in the arc-shaped sliding groove formed in the surface of the rotating rod.

Preferably, the fixing mechanism comprises a gear, a limiting rod and a spring A, the gear is fixed on the rotating rod and rotatably installed in the reinforcing block A, the limiting rod is inserted in the gear in a sliding mode, the limiting rod is installed in the reinforcing block A in a sliding mode, the limiting rod is fixed with one end of the spring A, and the other end of the spring A is fixed in the reinforcing block A.

Preferably, stop gear includes movable block, kelly, spring B and horizontal pole, movable block slidable mounting is in boss A, two sets of draw-in grooves have been seted up on the movable block, and two sets of draw-in grooves that the movable block was seted up use the horizontal central line of kelly to set up as symmetry axis symmetry, the kelly is fixed with spring B's one end, spring B's the other end is fixed in boss A, the kelly is kept away from the one end of movable block and is fixed with the horizontal pole, the horizontal pole passes boss A and slidable mounting in boss A.

Preferably, the transmission rods are provided with four groups, the middle part of the transmission rods is movably connected into the top reinforcing strip through the transmission rods, the bottom part of the transmission rods is movably connected into the middle reinforcing strip through the transmission rods, and the bottom part of the transmission rods is movably connected onto the reinforcing block B through the transmission rods.

Preferably, the adjusting device is provided with four groups.

(III) advantageous effects

The utility model provides a high-strength inner connecting rod. The method has the following beneficial effects:

(1) the distance between the small end of the connecting rod and the big end of the connecting rod is adjusted in a folding mode, so that the high-strength inner connecting rod is adjusted according to the distance between the piston and the crankshaft, the whole device has certain flexibility, and the carrying is convenient.

(2) The high-strength inner connecting rod can be guaranteed through the adjusting device, the folding part is fixed after the high-strength inner connecting rod is folded, the folding part can be stacked together, the length of the crankshaft can be reduced, and therefore the manufacturing cost of the crankshaft is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the portion B of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the position relationship between the transmission rod and the sliding rod according to the present invention;

fig. 5 is a schematic top view of the movable block of the present invention.

In the figure: 1. a small end of the connecting rod; 2. a reinforcing block A; 3. a transmission rod; 4. a reinforcing strip; 5. a reinforcing block B; 6. a big end of the connecting rod; 7. an adjustment device; 71. a slide bar; 72. a rotating rod; 73. a gear; 74. a limiting rod; 75. a spring A; 76. a movable block; 77. a clamping rod; 78. a spring B; 79. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a high-strength inner connecting rod comprises a small connecting rod head 1, the small connecting rod head 1 is fixed with a reinforcing block A2, a transmission rod 3 penetrates through the reinforcing block A2, the transmission rod 3 is slidably mounted in the reinforcing block A2, the transmission rod 3 penetrates through a reinforcing strip 4 and is rotatably mounted in the reinforcing strip 4, the reinforcing strips 4 are provided with three groups which are sequentially arranged from top to bottom, bottom reinforcing strips 4 are movably mounted on a reinforcing block B5 through the transmission rod 3, the reinforcing block B5 is fixed with a connecting rod big end 6, an adjusting device 7 for adjusting the distance between the small connecting rod head 1 and the connecting rod big end 6 is arranged in a reinforcing block A2, the adjusting device 7 comprises a transmission mechanism, a fixing mechanism and a limiting mechanism, the transmission rod 3 is provided with four groups, the middle reinforcing strips 4 are movably connected in the top reinforcing strips 4 through the transmission rods 3, the bottom reinforcing strips 4 are movably connected in the middle reinforcing strips 4 through the transmission rod 3, the bottom reinforcing strips 4 are movably connected on a reinforcing block B5 through the transmission rod 3, adjusting device 7 is provided with four groups, can be according to the interval between piston and bent axle's the interval regulation connecting rod big end 6 and the little head of connecting rod 1 with three group's enhancement strip 4 through four group's transfer line 3 and adjusting device 7 that set up, simultaneously at folding in-process, top enhancement strip 4 can receive the extrusion of boss A2, can drive transfer line 3 and move forward or backward, folding simultaneously, the thickness of the little head of connecting rod 1 is thicker in one side of connecting rod big end 6, the staff can reduce the length of bent axle, thereby reduce the cost.

The transmission mechanism comprises a sliding rod 71 and a rotating rod 72, one end of the sliding rod 71 is fixed on the transmission rod 3, the rotating rod 72 is rotatably installed in a reinforcing block A2, the rotating rod 72 penetrates through the transmission rod 3 and is slidably installed in the transmission rod 3, an arc-shaped sliding groove is formed in the surface of the rotating rod 72, the other end of the sliding rod 71 is slidably installed in the arc-shaped sliding groove formed in the surface of the rotating rod 72, the reinforcing strip 4 can drive the transmission rod 3 to move back and forth when being folded, and the rotating rod 72 is driven to rotate through the sliding rod 71 when the transmission rod 3 moves back and forth.

The fixing mechanism comprises a gear 73, a limiting rod 74 and a spring A75, the gear 73 is fixed on a rotating rod 72 and is rotatably installed in a reinforcing block A2, the limiting rod 74 is inserted in the gear 73 in a sliding mode, the limiting rod 74 is slidably installed in a reinforcing block A2, the limiting rod 74 is fixed with one end of a spring A75, the other end of the spring A75 is fixed in a reinforcing block A2, when the rotating rod 72 rotates, the gear 73 can be driven to rotate, when the reinforcing bar is not folded and directly used for stretching, the transmission rod 3 can move back and forth in a short distance, the gear 73 can extrude the limiting rod 74, when the limiting rod 74 separates from the upper end and the lower end, the gear 73 is extruded through a spring A75, the reinforcing bar 4 is rotated and then restored to the original state, so that the whole device has a certain stretching function, the limiting mechanism comprises a movable block 76, a clamping rod 77, a spring B78 and a cross rod 79, the movable block 76 is slidably installed in the reinforcing block A2, two groups of clamping grooves are formed in the movable block 76, the two groups of clamping grooves formed in the movable block 76 are symmetrically arranged by taking the transverse center line of the clamping rod 77 as a symmetry axis, the clamping rod 77 is fixed with one end of the spring B78, the other end of the spring B78 is fixed in the reinforcing block A2, one end, far away from the movable block 76, of the clamping rod 77 is fixed with the cross rod 79, the cross rod 79 penetrates through the reinforcing block A2 and is slidably installed in the reinforcing block A2, when the inner connecting rod needs to be folded, after the reinforcing strip 4 at the top is rotated, because the reinforcing bar 4 and the reinforcing block A2 are mutually extruded, the reinforcing bar 4 drives the movable block 76 to move back and forth, when the slot on the movable block 76 is parallel to the clamping rod 77, the clamping rod 77 moves downwards through the spring B78, is clamped into the slot on the movable block 76, the movable block 76 is limited, so that the effect of fixing the reinforcing strip 4 after folding is achieved, and the whole inner connecting rod can be stably used.

During operation (or during the use), when the interval between connecting rod microcephaly 1 and the connecting rod bull head 6 needs to be adjusted, adjust through folding enhancement strip 4, enhancement strip 4 is folding, can drive transfer line 3 and carry out the back-and-forth movement, transfer line 3 carries out the back-and-forth movement, it rotates to drive bull stick 72 through slide bar 71, after the enhancement strip 4 with the top is rotatory, because enhancement strip 4 extrudees with reinforcement A2 each other, make enhancement strip 4 can drive movable block 76 and carry out fore-and-aft removal, when the draw-in groove that sets up on movable block 76 is parallel with kelly 77, kelly 77 passes through spring B78 downstream, in the draw-in groove that movable block 76 seted up is blocked, carry out spacingly to movable block 76, thereby reach folding back, carry out the effect of fixing to enhancement strip 4, make whole interior connecting rod can stable use.

When the folding is required to be cancelled, the cross rod 79 is pulled upwards, the clamping rod 77 is separated from the clamping groove formed in the movable block 76, and then the reinforcing strip 4 is rotated, so that the folding effect is cancelled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connecting rod in high strength, includes connecting rod microcephaly (1), its characterized in that: connecting rod microcephaly (1) is fixed with boss A (2), it has transfer line (3) to run through in boss A (2), and slidable mounting has transfer line (3) in boss A (2), transfer line (3) are passed and are strengthened strip (4) and rotate and install in strengthening strip (4), strengthen strip (4) be provided with three groups and follow and arrange down in proper order, the bottom strengthen strip (4) through transfer line (3) movable mounting on boss B (5), boss B (5) are fixed with connecting rod macrocephaly (6), be provided with in boss A (2) and be used for adjusting device (7) of interval between little head (1) of connecting rod and connecting rod macrocephaly (6), adjusting device (7) include drive mechanism, fixed establishment and stop gear.

2. The high strength inner link according to claim 1, wherein: the transmission mechanism comprises a sliding rod (71) and a rotating rod (72), one end of the sliding rod (71) is fixed on the transmission rod (3), the rotating rod (72) is rotatably installed in the reinforcing block A (2), the rotating rod (72) penetrates through the transmission rod (3) and is slidably installed in the transmission rod (3), an arc-shaped sliding groove is formed in the surface of the rotating rod (72), and the other end of the sliding rod (71) is slidably installed in the arc-shaped sliding groove formed in the surface of the rotating rod (72).

3. The high strength inner link according to claim 1, wherein: the fixing mechanism comprises a gear (73), a limiting rod (74) and a spring A (75), the gear (73) is fixed on a rotating rod (72) and is rotatably installed in the reinforcing block A (2), the limiting rod (74) is inserted in the gear (73) in a sliding mode, the limiting rod (74) is slidably installed in the reinforcing block A (2), the limiting rod (74) is fixed with one end of the spring A (75), and the other end of the spring A (75) is fixed in the reinforcing block A (2).

4. The high strength inner link according to claim 1, wherein: stop gear includes movable block (76), kelly (77), spring B (78) and horizontal pole (79), movable block (76) slidable mounting is in boss A (2), two sets of draw-in grooves have been seted up on movable block (76), and the horizontal central line that two sets of draw-in grooves that movable block (76) were seted up used kelly (77) sets up as symmetry axis symmetry, kelly (77) are fixed with the one end of spring B (78), the other end of spring B (78) is fixed in boss A (2), the one end that movable block (76) were kept away from in kelly (77) is fixed with horizontal pole (79), horizontal pole (79) pass boss A (2) and slidable mounting in boss A (2).

5. The high strength inner link according to claim 1, wherein: the transfer line (3) is provided with four groups, middle part strengthen in strip (4) is strengthened at the top through transfer line (3) swing joint to enhancement strip (4), the bottom strengthen in strip (4) is strengthened in the middle part through transfer line (3) swing joint to enhancement strip (4), the bottom strengthen on strip (4) through transfer line (3) swing joint on boss B (5).

6. The high strength inner link according to claim 1, wherein: the adjusting devices (7) are provided with four groups.