CN112370855A

CN112370855A - Automobile engine tensioner with wear compensation structure

Info

Publication number: CN112370855A
Application number: CN202011379452.7A
Authority: CN
Inventors: 邱煌庆; 张康成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-02-19

Abstract

The invention discloses an automobile engine tensioner with a wear compensation structure, which structurally comprises an oil pipe, a clamping and fixing pipe and a chain ejector rod, wherein the oil pipe is provided with a fixing hole and a wing plate, the clamping and fixing pipe is provided with an oil hole, an ejector pin hole and a clamping hole, the chain ejector rod is provided with an ejector rod and a loop bar, the ejector rod is connected to the interior of the loop bar in a transition fit manner, and the loop bar is connected to the interior of the oil pipe and the clamping and fixing pipe in a transition fit manner, and the automobile engine tensioner has the: through increasing the ratchet wearing and tearing compensation design to loop bar and ejector pin, under the promotion of oil pressure, make the latch after wearing and tearing, the timing chain is not hard up, compensate the latch through the ratchet board before the timing chain jumps the tooth, prevent because the wearing and tearing of latch are serious day by day, cause the timing chain to jump the tooth, the problem that the valve withstood, the wearing and tearing of latch on the timely compensation tensioning ware, reduce automobile tensioning ware change frequency, reduce the probability that the valve was withstood, the potential safety hazard problem of car because tensioning ware wearing and tearing produce has been reduced simultaneously.

Description

Automobile engine tensioner with wear compensation structure

Technical Field

The invention relates to the field of automobile accessories, in particular to an automobile engine tensioner with a wear compensation structure.

Background

The automobile accessories relate to a plurality of types, the automobile engine is used as an important automobile component, in order to ensure the driving safety and consider the service performance and the service life of an automobile, the design of the automobile engine needs to be free of defects as far as possible, along with the gradual improvement of the automobile engine, a timing chain system is used for replacing a timing belt, so that the problem that the service life of the belt is not high is solved, and the condition that the chain jumps teeth still exists.

To present automobile engine tensioning ware, current automobile engine tensioning ware is because long-term the use, and the ratchet receives wearing and tearing to lead to tensioning ware not hard up, make the chain take place easily when high-speed rotation and jump the tooth phenomenon, the chain in case jump the tooth and can make the valve withstood, lead to the unable scheduling problem that starts of car, can influence automobile driving experience and shorten life, if take place to jump the tooth condition on the way driving, have driving potential safety hazard easily.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide an automobile engine tensioner with a wear compensation structure.

The invention is realized by adopting the following technical scheme: the automobile engine tensioner with the wear compensation structure structurally comprises an oil pipe, a clamping and fixing pipe and a chain ejector rod, wherein the clamping and fixing pipe is welded at the top end of the oil pipe; the clamping and fixing pipe is provided with an oil hole, a top pin hole and a clamping hole, the oil hole is welded on one side of the clamping and fixing pipe, the top pin hole is embedded between the clamping and fixing pipe and the chain top pin, and the clamping hole is embedded on the outer surface of the clamping and fixing pipe; the chain ejector rod is provided with an ejector rod and a loop bar, the ejector rod is connected inside the loop bar in a transition fit mode, and the loop bar is connected inside the oil pipe and the clamping pipe in a transition fit mode.

Further, the ejector pin is equipped with ratchet bull stick, stripe pole, the ratchet bull stick welds in stripe pole top, the meshing of stripe pole is connected inside the loop bar, the transition fit of ratchet bull stick is connected inside the loop bar, the ratchet bull stick is hollow tubular structure, the ratchet bull stick is the metal material, stripe pole surface distribution has the screw thread, the number of weeks of the inside clockwise rotation of loop bar of stripe pole is 1/4 circles, and the angle is 90, the ratchet bull stick is used for compensating when the loop bar is worn and torn, the stripe pole is used for driving the ratchet bull stick and rotates.

Furthermore, the ratchet bull stick is equipped with the compensation ratchet, the compensation ratchet welds inside the ratchet bull stick, the compensation ratchet is the metal material, the compensation ratchet is worn out through latch fretwork department and is compensated, the compensation ratchet is used for compensating when the latch wearing and tearing.

Further, the compensation ratchet is equipped with ratchet plate, elastic pushing rod, bull stick, ratchet plate welds on elastic pushing rod, elastic pushing rod welds on compensation ratchet side, the bull stick vertically runs through compensation ratchet transitional coupling inside the ratchet bull stick, ratchet plate is arc platelike structure, the ratchet upper surface on the ratchet plate is the arc, the bull stick is the metal material, ratchet plate material is the same with the bull stick material, ratchet plate is used for wearing and tearing the compensation to the latch, elastic pushing rod is used for promoting ratchet plate and removes, bull stick bottom and stripe pole weld mutually, the bull stick rotates under stripe pole drive to drive the ratchet bull stick and rotate in the loop bar.

Further, elasticity catch bar is equipped with cardboard, push rod, spring, cardboard transition fit connects inside elasticity catch bar, the push rod welds between cardboard and ratchet plate, the spring welds between elasticity catch bar and ratchet plate, the cardboard is circular platelike structure, the cardboard diameter is greater than the push rod diameter, the spring is extrusion state when the ratchet plate does not carry out the wearing and tearing compensation, the spring is the metal material, the cardboard is used for auxiliary push rod to stretch out and draw back in elasticity catch bar, the push rod is connected with spring clearance fit, the spring pushes ratchet plate under the extension state and carries out the wearing and tearing compensation to the latch.

Further, the loop bar is equipped with latch, turn trough, latch evenly distributed is between the latch, the turn trough distributes in the latch below of loop bar inner wall, the latch is the rectangle structure recess, be the fretwork form between the latch, the latch material is the same with the ratchet turn bar, the turn trough is the stripe structure, the turn trough meshes with the screw thread on the stripe pole mutually, the latch is used for cooperating with the ratchet on the ratchet board, carries out the wearing and tearing compensation to the latch, the turn trough is used for cooperating the stripe pole and rotates.

Furthermore, the elastic push rods are two groups and are made of metal materials.

Advantageous effects

The invention has the working principle that:

when the bowl and dish washing machine is used, the water filtering rod is erected above the water filtering groove and is made of stainless steel, when a washed bowl and dish is placed, the bowl and dish are easy to slide and break due to water stains, and the bowl and dish can be prevented from sliding due to the fact that the circular groove is designed on the water filtering rod and is a plane; when the water filtering rod is not used, the water filtering rod is pushed to shrink, the water filtering rod is pressed downwards, the water filtering rod is embedded into the cleaning clamping plate under the matching of the pull rod, the water filtering rod is clamped through the scraper, the water filtering rod can be folded under the auxiliary action of the spring and is embedded into the sawteeth of the cleaning clamping plate, and the shrinking state is achieved; when there is the residue on the pole of straining, through pressing down drive power supply, make drive power supply carry out circuit connection, the electronic slide rail of drive power supply drive promotes clearance splint and carries out the round trip movement in water filtering groove, it removes to drive clearance splint under the cooperation of slide and electronic slide rail, be equipped with the scraper blade in the sawtooth of clearance splint, the scraper blade is decurrent 45 jiaos with clearance splint inner wall, clip the back with the pole of straining, the scraper blade is hugged closely the pole of straining and is carried out the residue and strikes off when clearance splint remove, keep the clean of pole of straining.

Has the advantages that:

lead to spring drive drainage pole on the drainage pole and contract, make drainage pole keep the contraction state simultaneously under the centre gripping of clearance splint, make things convenient for the use of drainage tank, basin and bowl dish can be placed to the circular recess of design on the drainage pole, prevent the landing, can carry out the residue clearance to the drainage pole under the cooperation of clearance splint and electronic slide rail, guarantee the cleanness of drainage pole, make drainage pole use more convenient health, also can not cause the drainage pole to lose.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of an automotive engine tensioner with a wear compensation structure of the present invention.

Fig. 2 is a schematic perspective view of the lift pin of the present invention.

Fig. 3 is a schematic view showing the internal structure of the ratchet rotary rod of the present invention.

FIG. 4 is an enlarged view of the compensating ratchet of the present invention.

Fig. 5 is a schematic view of the internal structure of the elastic push rod of the present invention.

Fig. 6 is a schematic view of the inner wall structure of the loop bar of the present invention.

In the figure: the oil pipe comprises an oil pipe 1, a clamping and fixing pipe 2, a chain ejector rod 3, a fixing hole 10, a wing plate 11, an oil hole 20, an ejector pin hole 21, a clamping hole 22, an ejector rod 30, a loop bar 31, a ratchet rotating rod 300, a stripe rod 301, a compensation ratchet A, a ratchet plate A1, an elastic push rod A2, a rotating rod A3, a clamping plate a, a push rod b, a spring c, a clamping tooth 310 and a rotating groove 311.

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. 1-6, the present invention provides a tensioner for an automobile engine with a wear compensation structure, comprising: the oil pipe comprises an oil pipe 1, a clamping and fixing pipe 2 and a chain ejector rod 3, wherein the clamping and fixing pipe 2 is welded at the top end of the oil pipe 1, the chain ejector rod 3 is connected inside the clamping and fixing pipe 2 in a transition fit mode, the oil pipe 1 is provided with fixing holes 10 and wing plates 11, the fixing holes 10 are distributed on the wing plates 11 at two sides of the oil pipe 1, and the wing plates 11 are welded on the outer surfaces of the two sides of the oil pipe 1; the clamping and fixing pipe 2 is provided with an oil hole 20, a thimble hole 21 and a clamping hole 22, the oil hole 20 is welded on one side of the clamping and fixing pipe 2, the thimble hole 21 is embedded between the clamping and fixing pipe 2 and the chain ejector rod 3, and the clamping hole 22 is embedded on the outer surface of the clamping and fixing pipe 2; the chain ejector rod 3 is provided with an ejector rod 30 and a loop bar 31, the ejector rod 30 is connected inside the loop bar 31 through transition fit, the loop bar 31 is connected inside the oil pipe 1 and the clamping and fixing pipe 2 through transition fit, the ejector rod 30 is provided with a ratchet rotating rod 300 and a stripe rod 301, the ratchet rotating rod 300 is welded above the stripe rod 301, the stripe rod 301 is connected inside the loop bar 31 in a meshed mode, the ratchet rotating rod 300 is connected inside the loop bar 31 through transition fit, the ratchet rotating rod 300 is of a hollow tubular structure, the ratchet rotating rod 300 is made of metal materials, threads are distributed on the outer surface of the stripe rod 201, the number of circles of the stripe rod 301 rotating clockwise inside the loop bar 31 is 1/4 circles, the angle is 90 degrees, the ratchet rotating rod 300 is provided with a compensation ratchet A, the compensation A is welded inside the ratchet rotating rod 300, and the compensation ratchet A is made of metal materials, the compensation ratchet A is provided with a ratchet plate A1, an elastic push rod A2 and a rotating rod A3, the ratchet plate A1 is welded on the elastic push rod A2, the elastic push rod A2 is welded on the side surface of the compensation ratchet A, the rotating rod A3 longitudinally penetrates through the compensation ratchet A to be transitionally connected inside the ratchet rotating rod 300, the ratchet plate A1 is of an arc-shaped plate-shaped structure, the upper surface of a ratchet on the ratchet plate A1 is arc-shaped, the rotating rod A3 is made of metal, the ratchet plate A1 is made of the same material as the rotating rod A3, the elastic push rod A2 is provided with a clamping plate a, a push rod b and a spring c, the clamping plate a is transitionally matched and connected inside the elastic push rod A2, the push rod b is welded between the clamping plate a and the ratchet plate A1, the spring c is welded between the elastic rod A2 and the ratchet plate A1, the clamping plate a is of a circular plate-shaped structure, the diameter of the clamping plate a is larger than, spring c is the extrusion state when ratchet plate A1 does not carry out the wearing and tearing compensation, spring c is the metal material, loop bar 31 is equipped with latch 310, rotating groove 311, latch 310 evenly distributed is on loop bar 31 surface, rotating groove 311 distributes in the latch 310 below of loop bar 31 inner wall, be the fretwork form between the latch 310, latch 310 material is the same with ratchet bull stick 300, rotating groove 311 is the stripe structure, rotating groove 311 meshes with the screw thread on the stripe pole 301 mutually, elasticity catch bar A2 is two sets ofly, is the metal material.

Example (b): when the latch 310 on the loop bar 31 is worn, the contact between the push rod 30 and the timing chain of the automobile is loosened, at this time, in the gap of the jump teeth of the timing chain, the push rod 30 is pushed to rotate and rise in the loop bar 31 by the oil pressure in the oil pipe 1, under the mutual matching of the stripe on the stripe bar 301 and the rotating groove 311 in the loop bar 31, the stripe bar 301 drives the ratchet rotating bar 300 to rotate and rise, and simultaneously drives the rotating bar A3 in the ratchet rotating bar 300 to rotate, the rotating bar A3 drives the compensation ratchet a to rotate when rotating, so that the ratchet plate a1 rotates in the ratchet rotating bar 300, originally, the spring c on the elastic push rod a2 is in a squeezing state, when the ratchet plate a1 rotates to the opening of the ratchet rotating bar 300 and corresponds to the position of the latch 310 on the loop bar 31, the push rod b pushes the ratchet plate a1 to pass through the hollow groove between the latch 310 to extend under the pushing of the spring c, therefore, after the latch 310 is worn, the ratchet plate A1 is driven to wear and compensate the latch 310 under the pushing of oil pressure, and meanwhile, the arc-shaped design of the ratchet on the ratchet plate A1 can facilitate the retraction of the ratchet plate.

Compared with the prior art, the invention has the technical progress that:

through increasing the ratchet wearing and tearing compensation design to loop bar and ejector pin, under the promotion of oil pressure, make the latch after wearing and tearing, the timing chain is not hard up, compensate the latch through the ratchet board before the timing chain jumps the tooth, prevent because the wearing and tearing of latch are serious day by day, cause the timing chain to jump the tooth, the problem that the valve withstood, the wearing and tearing of latch on the timely compensation tensioning ware, reduce automobile tensioning ware change frequency, reduce the probability that the valve was withstood, the potential safety hazard problem of car because tensioning ware wearing and tearing produce has been reduced simultaneously.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a take automobile engine tensioning ware of wear compensation structure, its structure includes oil pipe (1), the solid pipe of card (2), chain ejector pin (3), the solid pipe of card (2) welds in oil pipe (1) top, inside chain ejector pin (3) connect in the solid pipe of card (2) through transition fit, its characterized in that:

the oil pipe (1) is provided with fixing holes (10) and wing plates (11), the fixing holes (10) are distributed on the wing plates (11) on the two sides of the oil pipe (1), and the wing plates (11) are welded on the outer surfaces of the two sides of the oil pipe (1);

the clamping and fixing pipe (2) is provided with an oil hole (20), a thimble hole (21) and a clamping hole (22), the oil hole (20) is welded on one side of the clamping and fixing pipe (2), the thimble hole (21) is embedded between the clamping and fixing pipe (2) and the chain ejector rod (3), and the clamping hole (22) is embedded on the outer surface of the clamping and fixing pipe (2);

the chain ejector rod (3) is provided with an ejector rod (30) and a loop bar (31), the ejector rod (30) is connected to the interior of the loop bar (31) in a transition fit mode, and the loop bar (31) is connected to the interior of the oil pipe (1) and the clamping and fixing pipe (2) in a transition fit mode.

2. The automotive engine tensioner with a wear compensation structure of claim 1, wherein: the ejector rod (30) is provided with a ratchet rotating rod (300) and a stripe rod (301), the ratchet rotating rod (300) is welded above the stripe rod (301), the stripe rod (301) is meshed and connected inside the loop bar (31), the ratchet rotating rod (300) is in transition fit connection inside the loop bar (31), the ratchet rotating rod (300) is of a hollow tubular structure, the ratchet rotating rod (300) is made of metal materials, threads are distributed on the outer surface of the stripe rod (201), the number of the circles of the stripe rod (301) rotating inside the loop bar (31) clockwise is 1/4 circles, and the angle is 90 degrees.

3. The automotive engine tensioner with a wear compensation structure of claim 2, wherein: the ratchet rotating rod (300) is provided with a compensation ratchet (A), the compensation ratchet (A) is welded inside the ratchet rotating rod (300), and the compensation ratchet (A) is made of metal materials.

4. The automotive engine tensioner with a wear compensation structure of claim 3, wherein: compensation ratchet (A) is equipped with ratchet plate (A1), elasticity catch bar (A2), bull stick (A3), ratchet plate (A1) welds on elasticity catch bar (A2), elasticity catch bar (A2) welds on compensation ratchet (A) side, bull stick (A3) vertically run through compensation ratchet (A) transitional coupling inside ratchet bull stick (300), ratchet plate (A1) is arc plate structure, the ratchet upper surface on ratchet plate (A1) is the arc, bull stick (A3) is the metal material, ratchet plate (A1) material is the same with bull stick (A3) material.

5. The automotive engine tensioner with a wear compensation structure of claim 4, wherein: elastic catch bar (A2) is equipped with cardboard (a), push rod (b), spring (c), cardboard (a) transition fit connects inside elastic catch bar (A2), push rod (b) weld between cardboard (a) and ratchet plate (A1), spring (c) weld between elastic catch bar (A2) and ratchet plate (A1), cardboard (a) are circular platelike structure, cardboard (a) diameter is greater than push rod (b) diameter, spring (c) are the extrusion state when ratchet plate (A1) does not carry out wear compensation, spring (c) are the metal material.

6. The automotive engine tensioner with a wear compensation structure as claimed in claim 1 or 2, characterized in that: the utility model discloses a ratchet structure, including loop bar (31), latch (310), rotating groove (311), latch (310) evenly distributed is on loop bar (31) surface, rotating groove (311) distributes in latch (310) below of loop bar (31) inner wall, be the fretwork form between latch (310), latch (310) material is the same with ratchet rotating rod (300), rotating groove (311) are the stripe structure, rotating groove (311) meshes with the screw thread on stripe pole (301) mutually.

7. An automotive engine tensioner with a wear-compensating structure, as claimed in claim 4 or 5, characterized in that: the two groups of elastic push rods (A2) are made of metal materials.