Corrosion-resistant metal structural part

Abstract

The utility model belongs to the technical field of metal structural parts, and particularly relates to a corrosion-resistant metal structural part which comprises a bottom rod, a threaded rod is arranged on the bottom rod, the threaded rod penetrates through the upper end of the bottom rod and is rotationally connected with the bottom rod, a telescopic rod is arranged above the bottom rod, and the threaded rod penetrates through the lower end of the telescopic rod and is in threaded connection with the telescopic rod. The outer side wall of the telescopic rod is fixedly sleeved with a shielding cover, sliding blocks are fixedly connected to the left inner wall and the right inner wall of the shielding cover correspondingly, sliding rails are fixedly connected to the left end and the right end of the bottom rod correspondingly, and the two sliding blocks are slidably connected with the two sliding rails correspondingly. In the stretching and retracting process, the exposed part of the threaded rod can be fully protected through the shielding cover, the situation that the threaded rod is damaged and cannot work due to surface oxidation caused by corrosion of acid rainwater is avoided, and the service life of structural parts is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal structural member technical field especially relates to a kind of corrosion-resistant metal structural member. BACKGROUND

[0002] Metal structural member refers to the various structural members made of metal material, threaded telescopic rod as a kind of structural member, widely used in various machinery, building and automation system. Its design and structure determine its performance and applicability, by the rotation of threaded rod to make the telescopic part in it telescopic to change its length.

[0003] And the threaded telescopic rod metal structural member in existing technology is exposed when telescoping, if long time is corroded by acidic rainwater, the oxidation on the surface of threaded rod can be caused, the thread on the surface of threaded rod cannot normally operate, to cause structural member damage.

[0004] Therefore we propose a kind of corrosion-resistant metal structural member to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of corrosion-resistant metal structural member.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of corrosion-resistant metal structural member, including bottom bar, the bottom bar is equipped with threaded rod, the threaded rod is through the upper end of bottom bar and is rotationally connected with it, the upper of bottom bar is equipped with telescopic rod, the threaded rod is through the lower end of telescopic rod and is screw thread connected with it, the outer lateral wall of telescopic rod is fixedly sleeved with shielding cover, the left and right inner walls of shielding cover are all fixedly connected with sliding block, the left and right ends of bottom bar are all fixedly connected with slide rail, two the sliding block is slidably connected with two slide rails respectively.

[0008] Preferably, the first bevel gear is fixedly sleeved on the threaded rod, the bottom bar is equipped with rotating rod, the rotating rod is through bottom bar front end and is rotationally connected with it, the rear end of rotating rod is fixedly connected with second bevel gear, the second bevel gear is engaged with first bevel gear, the front end of rotating rod is fixedly connected with knob.

[0009] Preferably, the front and rear ends of bottom bar are all fixedly connected with the L-shaped connecting block, the front and rear ends of telescopic rod are all fixedly connected with the L-shaped connecting block, two the connecting block on bottom bar and two connecting block on telescopic rod are symmetrically arranged.

[0010] Preferably, four The connecting block is all fixedly connected with reinforcing rib.

[0011] Preferably, screw holes are formed in the four connecting blocks.

[0012] Preferably, the upper end of the threaded rod is fixedly connected with a stop block.

[0013] Compared with the prior art, the device has the advantages that:

[0014] 1. The rotating knob can make the telescopic rod move axially up and down for telescoping, and the shielding cover can shield the part of the threaded rod exposed outside in the shielding cover, the upper end of the shielding cover is a trapezoidal slope, when it rains, the rainwater is blocked by the shielding cover and flows down through the slope at the upper end of the shielding cover, and cannot accumulate at the upper end of the shielding cover, thereby fully protecting the part of the threaded rod exposed outside, preventing the threaded rod from being corroded by acidic rainwater for a long time, causing the surface of the threaded rod to be oxidized, and the threads on the surface of the threaded rod to not work normally, thereby causing the structural part to be damaged.

[0015] In summary, the novel device can fully protect the part of the threaded rod exposed outside by the shielding cover during telescoping, prevent the threaded rod from being corroded by acidic rainwater to cause surface oxidation and damage, and prolong the service life of the structural part. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 A perspective view of a corrosion-resistant metal structural part is provided for the present utility model;

[0017] Fig. 2 A sectional perspective view of a shielding cover in a corrosion-resistant metal structural part is provided for the present utility model;

[0018] Fig. 3 A sectional perspective view of a bottom rod and a telescopic rod in a corrosion-resistant metal structural part is provided for the present utility model.

[0019] In the figure: 1 bottom rod, 2 threaded rod, 3 telescopic rod, 4 shielding cover, 5 sliding block, 6 sliding rail, 7 first bevel gear, 8 rotating rod, 9 second bevel gear, 10 knob, 11 connecting block, 12 reinforcing rib, 13 screw hole, 14 stop block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all the embodiments.

[0021] Reference Figs. 1-3The utility model provides a kind of corrosion-resistant metal structural member, including bottom bar 1, bottom bar 1 is equipped with threaded rod 2, threaded rod 2 penetrates the upper end of bottom bar 1 and is rotationally connected, the upper of bottom bar 1 is equipped with telescopic rod 3, threaded rod 2 penetrates the lower end of telescopic rod 3 and is threadedly connected, telescopic rod 3 outer lateral wall is fixedly sleeved with shield cover 4, the left and right inner walls of shield cover 4 are fixedly connected with sliding block 5, the left and right ends of bottom bar 1 are fixedly connected with slide rail 6, two sliding blocks 5 are slidably connected with two slide rails 6 respectively, when threaded rod 2 rotates, telescopic rod 3 is limited on two slide rails 6 by two sliding blocks 5 on shield cover 4, and axial movement is carried out up and down, and two sliding blocks 5 are slid up and down on two slide rails 6 respectively, shield cover 4 can cover the part of threaded rod 2 exposed outside in shield cover 4 simultaneously, the upper end of shield cover 4 is trapezoidal slope, rainwater is blocked by shield cover 4 and flows down by the slope on its upper end when raining, and it will not accumulate on the upper end of shield cover 4, and the part of threaded rod 2 exposed outside is fully protected.

[0022] First bevel gear 7 is fixedly sleeved on threaded rod 2, rotating rod 8 is equipped on bottom bar 1, rotating rod 8 penetrates bottom bar 1 front end and is rotationally connected, the rear end of rotating rod 8 is fixedly connected with second bevel gear 9, second bevel gear 9 is engaged with first bevel gear 7, the front end of rotating rod 8 is fixedly connected with knob 10, and rotating knob 10 drives rotating rod 8 to rotate, rotating rod 8 drives second bevel gear 9 to rotate, and second bevel gear 9 drives first bevel gear 7 to rotate, so that threaded rod 2 rotates, and telescopic rod 3 carries out axial movement up and down.

[0023] The upper end of threaded rod 2 is fixedly connected with stop block 14, to prevent telescopic rod 3 from disengaging threaded rod 2, the front and rear ends of bottom bar 1 are fixedly connected with L-shaped connecting block 11, the front and rear ends of telescopic rod 3 are fixedly connected with L-shaped connecting block 11, two connecting blocks 11 on bottom bar 1 and two connecting blocks 11 on telescopic rod 3 are symmetrically arranged, screw hole 13 is formed in four connecting blocks 11, and bottom bar 1 lower end, telescopic rod 3 upper end and other workpieces can be connected by screw and other tools through the screw hole 13 formed in each connecting block 11, and the connecting stability of connecting block 11 is enhanced by the fact that reinforcing rib 12 is fixedly connected on four connecting blocks 11, to prevent it from being easily deformed by external force.

[0024] In use of the utility model, the lower end of the bottom rod 1 and the upper end of the telescopic rod 3 can be connected with other workpieces by means of bolts and other tools through the screw holes 13 formed on each connecting block 11, the knob 10 can make the telescopic rod 3 move axially up and down for telescoping, meanwhile the shielding cover 4 can shield the part of the threaded rod 2 exposed outside in the shielding cover 4, the upper end of the shielding cover 4 is a trapezoidal inclined surface, when it rains, the rainwater is blocked by the shielding cover 4 and flows down through the inclined surface of the upper end, and will not accumulate at the upper end of the shielding cover 4, thus the part of the threaded rod 2 exposed outside is fully protected, preventing the corrosion of the acidic rainwater for a long time, causing the oxidation of the surface of the threaded rod 2, making the threads on the surface of the threaded rod 2 unable to work normally, thus causing the damage of the structural member.

[0025] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A corrosion-resistant metal structural component, comprising a base rod (1), characterized in that, The bottom rod (1) is provided with a threaded rod (2), which passes through the upper end of the bottom rod (1) and is rotatably connected to it. The bottom rod (1) is provided with a telescopic rod (3) above it. The threaded rod (2) passes through the lower end of the telescopic rod (3) and is threadedly connected to it. A shield (4) is fixedly sleeved on the outer side wall of the telescopic rod (3). Sliding blocks (5) are fixedly connected to the left and right inner walls of the shield (4). Slide rails (6) are fixedly connected to both ends of the bottom rod (1). The two sliding blocks (5) are slidably connected to the two slide rails (6) respectively.

2. The corrosion-resistant metal structural component according to claim 1, characterized in that, A first bevel gear (7) is fixedly sleeved on the threaded rod (2), and a rotating rod (8) is provided on the bottom rod (1). The rotating rod (8) passes through the front end of the bottom rod (1) and is rotatably connected to it. A second bevel gear (9) is fixedly connected to the rear end of the rotating rod (8). The second bevel gear (9) meshes with the first bevel gear (7). A knob (10) is fixedly connected to the front end of the rotating rod (8).

3. A corrosion-resistant metal structural component according to claim 1, characterized in that, The bottom rod (1) is fixedly connected to L-shaped connecting blocks (11) at both ends, and the telescopic rod (3) is fixedly connected to L-shaped connecting blocks (11) at both ends. The two connecting blocks (11) on the bottom rod (1) and the two connecting blocks (11) on the telescopic rod (3) are arranged symmetrically from top to bottom.

4. A corrosion-resistant metal structural component according to claim 3, characterized in that, Each of the four connecting blocks (11) is fixedly connected with a reinforcing rib (12).

5. A corrosion-resistant metal structural component according to claim 3, characterized in that, Each of the four connecting blocks (11) has a screw hole (13).

6. A corrosion-resistant metal structural component according to claim 1, characterized in that, A stop (14) is fixedly connected to the upper end of the threaded rod (2).

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