Anti-bending piston rod

Abstract

The utility model relates to the technical field of piston rods, in particular to a bending-resistant piston rod, which comprises a main body and a pull plate, the reinforcing mechanisms are arranged on the outer walls of the top end and the bottom end of the main body; the reinforcing mechanism comprises outer reinforcing rings fixedly connected to the outer walls of the top end and the bottom end of the main body, and inner reinforcing rings are fixedly connected to the inner walls of the outer reinforcing rings; the anti-bending mechanism is arranged in the main body; the anti-bending mechanism comprises a plurality of first supporting ribs arranged on the inner wall of one side of the main body, the inner wall of the main body is fixedly connected with a first partition plate, and the inner wall of one side of the first partition plate is fixedly connected with a plurality of second supporting ribs; according to the piston rod, loads from different directions are effectively dispersed and borne, stress concentration is avoided, fatigue damage of the structure can be effectively reduced through multiple supporting and reinforcing design, the service life of the piston rod is prolonged, unnecessary weight increase is avoided, and the anti-bending efficiency of the piston rod is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a piston rod technical field, specifically a kind of anti-bending piston rod. BACKGROUND

[0002] Piston rod is the connecting component that supports piston to work, mostly applied in oil cylinder, cylinder movement execution component, it is a frequently moving, high-technology requirement moving component.

[0003] According to the patent with the patent number CN215058593U, a high-strength anti-bending piston rod is disclosed, which is provided with an inner rod with a special-shaped hollow structure and an outer rod formed by forging. This design not only meets the strength requirements of the piston rod but also increases its anti-bending performance, preventing it from cracking due to improper stress. Additionally, a semicircular protrusion is arranged on the inner surface of the hollow inner rod, further enhancing the strength of the device. The device appears similar to a general piston rod from the outside, which is beneficial for its compatibility range. The hollow structure saves materials and reduces production costs. The device is of a split structure, making it easy to install and facilitating flexibility in use.

[0004] Based on the above search and existing technology, it is found that the above-mentioned patent has certain defects. The local strength of the key part is insufficient, which can easily lead to structural failure. Moreover, the weight increases, the structure is prone to fatigue damage, the service life of the piston rod is reduced, and the anti-bending efficiency of the piston rod is decreased. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of anti-bending piston rod to solve the problems raised in the above background art.

[0006] The technical scheme of the utility model is as follows: a kind of anti-bending piston rod, including main body and pull plate, further comprising;

[0007] Reinforcing mechanism, the reinforcing mechanism is arranged at the outer wall of the top end and the bottom end of main body;

[0008] The reinforcing mechanism includes an outer reinforcing ring fixedly connected to the outer wall of the top end and the bottom end of the main body, and an inner reinforcing ring fixedly connected to the inner wall of the outer reinforcing ring;

[0009] Anti-bending mechanism, the anti-bending mechanism is arranged in the main body;

[0010] The anti-bending mechanism includes a plurality of support ribs one arranged on the inner wall of one side of the main body, a plurality of support ribs two fixedly connected to the inner wall of one side of the inner wall of the partition one, a partition two fixedly connected to the inner wall of the partition one, a plurality of rib grooves one opened on the outer wall of the other side of the partition one, a plurality of rib grooves two opened on the outer wall of one side of the partition two, a honeycomb partition fixedly connected to the inner wall of the partition two, and a cross support rib fixedly connected to the inner wall of the honeycomb partition.

[0011] Preferably, the support rib one and the support rib two are arranged in an arc array, the rib groove one and the rib groove two are arranged in an arc array, the support rib one is matched in size with the rib groove one, and the support rib two is matched in size with the rib groove two.

[0012] Preferably, the partition plate one and the partition plate two are arranged in a ring shape, the honeycomb partition plate is arranged in a ring shape, and the inner reinforcing ring is matched in size with the partition plate one and the partition plate two.

[0013] Preferably, the bottom end outer wall of the pull plate is fixedly connected with a rod head, and the rod head is fixedly connected to the outer wall of the outer reinforcing ring at the top of the main body.

[0014] Compared with the prior art, the anti-bending piston rod has the following improvements and advantages:

[0015] The main body, the support rib one, the support rib two, the honeycomb partition plate and the cross support rib are arranged, the support rib one and the support rib two are arranged on the left and right sides, the structure is supported and reinforced to improve the bending capacity of the structure, the honeycomb partition plate can provide excellent compression resistance and bending resistance while reducing the weight, the cross support rib further improves the bending resistance and torsion resistance, reduces the weight, improves the local strength and rigidity by arranging the outer reinforcing ring and the inner reinforcing ring at the top and the bottom of the main body, is used for the main stress position of the main body, improves the bending resistance, effectively disperses and bears the load from different directions, avoids stress concentration, the multiple support and reinforcement design can effectively reduce the fatigue damage of the structure, prolongs the service life of the piston rod, avoids unnecessary weight increase, and improves the anti-bending efficiency of the piston rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model makes further explanation in combination with the drawings and examples:

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the outer reinforcing ring structure schematic diagram of the utility model;

[0019] Figure 3 It is the honeycomb partition plate structure plan view of the utility model;

[0020] Figure 4 It is the main body structure explosion schematic diagram of the utility model.

[0021] Mark explanation:

[0022] 1. Main body; 2. Outer reinforcing ring; 3. Rod head; 4. Pull plate; 5. Inner reinforcing ring; 6. Support rib one; 7. Partition one; 8. Partition two; 9. Support rib two; 10. Honeycomb partition; 11. Cross support rib; 12. Rib groove one; 13. Rib groove two. Detailed Implementation

[0023] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0024] This utility model provides an improved, bend-resistant piston rod. The technical solution of this utility model is as follows:

[0025] like Figures 1-4 As shown, a bend-resistant piston rod includes a main body 1 and a pull plate 4, and also includes;

[0026] The reinforcement mechanism is installed on the outer walls of the top and bottom ends of the main body 1;

[0027] The reinforcement mechanism includes an outer reinforcement ring 2 fixedly connected to the outer walls of the top and bottom ends of the main body 1, and an inner reinforcement ring 5 fixedly connected to the inner wall of the outer reinforcement ring 2;

[0028] The bending resistance mechanism is located inside the main body 1.

[0029] The anti-bending mechanism includes several support ribs 6 disposed on one inner wall of the main body 1, a partition 7 fixedly connected to the inner wall of the main body 1, several support ribs 9 fixedly connected to one inner wall of the partition 7, a partition 8 fixedly connected to the inner wall of the partition 7, several rib grooves 12 opened on the other outer wall of the partition 7, several rib grooves 13 opened on one outer wall of the partition 8, a honeycomb partition 10 fixedly connected to the inner wall of the partition 8, and cross support ribs 11 fixedly connected to the inner wall of the honeycomb partition 10.

[0030] Furthermore, support rib 6 and support rib 9 are arranged in an arc-shaped array, and rib groove 12 and rib groove 13 are arranged in an arc-shaped array. The dimensions of support rib 6 and rib groove 12 are adapted to each other, and the dimensions of support rib 9 and rib groove 13 are adapted to each other.

[0031] Furthermore, partition 7 and partition 8 are arranged in a ring, honeycomb partition 10 is arranged in a ring, inner reinforcing ring 5 is adapted to the size of partition 7 and partition 8, and a rod head 3 is fixedly connected to the bottom outer wall of pull plate 4, and the rod head 3 is fixedly connected to the outer wall of the top outer reinforcing ring 2 of main body 1.

[0032] Working principle: the piston rod is installed, the body 1 is sequentially provided with the baffle one 7, the baffle two 8, the honeycomb baffle 10 and the cross support rib 11 from outside to inside, and the inner wall of the body 1 is provided with the arc array support rib one 6 on one side, which is connected with the rib groove one 12 on the baffle one 7, the inner wall of the baffle one 7 is provided with the arc array distribution support rib two 9, the support rib one 6 and the support rib two 9 are distributed on the left and right sides, the structure is supported and reinforced to improve the bending capacity of the structure, the honeycomb baffle 10 can reduce the weight while providing excellent compression resistance and bending resistance, the cross support rib 11 further improves the bending resistance and torsion resistance, and reduces the weight, the local strength and rigidity are improved by setting the outer reinforcing ring 2 and the inner reinforcing ring 5 at the top and the bottom of the body 1, which is used for the main stress position of the body 1, and the bending resistance is improved.

[0033] The technical means disclosed by the utility model scheme is not only limited to the technical means disclosed by the above technical means, but also includes the technical scheme composed by the above technical features and equivalent replacement. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A bend-resistant piston rod comprising a main body (1) and a pull tab (4), characterized in that: Also included are; The reinforcing mechanism is arranged at the top and bottom ends of the outer wall of the main body (1); The reinforcing mechanism includes an outer reinforcing ring (2) fixedly connected to the top and bottom ends of the outer wall of the main body (1), and an inner reinforcing ring (5) fixedly connected to the inner wall of the outer reinforcing ring (2); The anti-bending mechanism is arranged inside the main body (1); The anti-bending mechanism includes a plurality of support ribs one (6) arranged on the inner wall of one side of the main body (1), an inner wall of the main body (1) fixedly connected to a partition one (7), an inner wall of the partition one (7) fixedly connected to a plurality of support ribs two (9), an inner wall of the partition one (7) fixedly connected to a partition two (8), an outer wall of the partition one (7) on the other side of the partition one (7) is provided with a plurality of rib grooves one (12), an outer wall of the partition two (8) is provided with a plurality of rib grooves two (13), an inner wall of the partition two (8) is fixedly connected to a honeycomb partition (10), and an inner wall of the honeycomb partition (10) is fixedly connected to a cross support rib (11).

2. A kink-resistant piston rod according to claim 1, characterized in that: The support ribs one (6) and the support ribs two (9) are arranged in an arc shape, the rib grooves one (12) and the rib grooves two (13) are arranged in an arc shape, the size of the support ribs one (6) and the rib grooves one (12) is matched, and the size of the support ribs two (9) and the rib grooves two (13) is matched.

3. A kink-resistant piston rod as claimed in claim 1, characterized in that: The partition one (7) and the partition two (8) are arranged in a ring shape, the honeycomb partition (10) is arranged in a ring shape, and the size of the inner reinforcing ring (5) and the partition one (7) and the partition two (8) is matched.

4. A kink-resistant piston rod as claimed in claim 1, characterized in that: The bottom end of the pull plate (4) is fixedly connected with a rod head (3), and the rod head (3) is fixedly connected to the outer wall of the outer reinforcing ring (2) at the top of the main body (1).

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