Novel square pipe connecting structure

The design of the connection and positioning component solves the problem of sliding and detachment of the square tube on the forklift fork when adjusting the tilt angle, and realizes a stable connection between the square tube and the fork, which is suitable for the square tube connection structure of the forklift.

CN223357344UActive Publication Date: 2025-09-19FUJIAN HUIXIANG ELECTRIC POWER EQUIP MFG CO LTD
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Patent Information

Application Number
CN202422021860.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-09-19
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

The square tubes on the forklift forks are prone to slipping or detaching when adjusting the tilt angle, and may also slide when bearing heavy objects, resulting in an unstable connection.

Method used

A connection and positioning assembly is used, including a base, a first clamping block, a second clamping block, a threaded rod and a pressure rod. The threaded connection and the bevel design achieve a stable connection between the square tube and the fork rod. The tip of the pressure rod cooperates with the bevel of the clamping block to increase the connection base point and prevent the square tube from detaching.

Benefits of technology

It realizes efficient and stable connection between square tube and fork rod, has simple structure and low cost, and is suitable for the square tube connection needs of forklifts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel square tube connecting structure, which relates to the technical field of forklift accessories and comprises a fork rod, a square tube is connected onto the fork rod and is fixedly connected onto the fork rod in a clamping manner through a connecting and positioning component, and the connecting and positioning component comprises a base, a first clamping block, a second clamping block, a threaded rod and a pressing rod. A first clamping block and a second clamping block are installed on the base in a sliding mode, inclined openings are formed in the inner side edges of the first clamping block and the second clamping block, a pointed end is arranged at the bottom end of the pressing rod, and the threaded rod is in threaded connection with the square pipe and is rotationally connected with the base. The square pipe and the fork rod are efficiently connected and positioned through the connecting and positioning assembly, the overall structure is simple, and the connecting stability of the square pipe and the fork rod is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of forklift accessories, and more particularly to a novel square tube connection structure. Background Art

[0002] The pre-installed length of the forklift's fork sometimes cannot meet the usage requirements, so a square tube is often inserted into the fork to extend it. The forklift can adjust the fork up and down and the tilt angle. When adjusting the tilt angle, if it is simply nested, the square tube may easily separate from the fork because the inside of the square tube does not completely match the fork. Or, because the center of the forked weight is biased forward, it will apply a horizontal force to the square tube, which can easily cause the square tube to slide on the fork. Based on this, the present application proposes a new square tube connection structure to solve the above problems. Utility Model Content

[0003] The purpose of the present invention is to solve the above technical problems and provide a novel square tube connection structure.

[0004] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0005] A new type of square tube connection structure includes a fork rod, on which a square tube is connected. The square tube is fixedly connected to the fork rod through a connecting and positioning assembly. The connecting and positioning assembly includes a base, a first clamping block, a second clamping block, a threaded rod, and a pressure rod. The first clamping block and the second clamping block are slidably installed on the base. Bevels are provided on the inner sides of the first clamping block and the second clamping block. A pointed head is provided at the bottom end of the pressure rod. The threaded rod is threadedly connected to the square tube and is rotatably connected to the base.

[0006] The square tube connection structure of the utility model is applied to the fork rod of a forklift, specifically to the square tube on which the fork rod is extended. The square tube connection structure is used to stably mount the square tube on the fork rod, thereby preventing the square tube from being easily separated from the fork rod when the tilt angle of the fork rod is changed after the square tube is mounted on the forklift.

[0007] A preferred technical solution: The square tube is provided with a through hole for the pressure rod to pass through.

[0008] A preferred technical solution: the first card block and the second card block are rectangular structures.

[0009] A preferred technical solution: the fork rod is installed on the fork rod frame.

[0010] A preferred technical solution: at least one through hole is provided on the fork rod.

[0011] A preferred technical solution: one through hole is provided, and is arranged at one end of the fork rod installed on the fork rod frame.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model efficiently connects and positions the square tube and the fork rod through the connection and positioning component, has a simple overall structure, and has a strong and stable connection between the square tube and the fork rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the coordination between the square tube and the forklift's upper fork rod;

[0015] Figure 2 It is a structural diagram of the connection positioning component;

[0016] Figure 3 This is a structural diagram of the compression rod extending into the square tube and the inner side of the fork rod.

[0017] Figure 4 for Figure 1 Enlarged schematic diagram of part A in the middle.

[0018] Figure numerals: 10, fork rod; 101, through hole; 20, fork rod frame; 1, square tube; 11, through hole; 2, connection and positioning assembly; 21, base; 22, first clamping block; 23, second clamping block; 231, oblique mouth; 24, threaded rod; 25, pressure rod; 251, pointed head. DETAILED DESCRIPTION

[0019] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0021] like Figures 1 to 3As shown, this embodiment provides a new type of square tube connection structure, including a fork rod 10, a square tube 1 is connected to the fork rod 10, and the square tube 1 is fixedly connected to the fork rod 10 through a connection and positioning component 2. The connection and positioning component 2 includes a base 21, a first clamping block 22, a second clamping block 23, a threaded rod 24, and a pressure rod 25. The first clamping block 22 and the second clamping block 23 are slidably mounted on the base 21. The inner sides of the first clamping block 22 and the second clamping block 23 are provided with an oblique opening 231. The bottom end of the pressure rod 25 is provided with a pointed head 251. The threaded rod 24 is threadedly connected to the square tube 1 and is rotatably connected to the base 21. The threaded rod 24 is Figure 2 The T-shaped structure in Figure 2 The transverse portion of the middle threaded rod 24 is the twisting portion.

[0022] Furthermore, a through hole 11 is provided through the square tube 1 for the pressure rod 25 to pass through.

[0023] Furthermore, the first clamping block 22 and the second clamping block 23 are rectangular structures.

[0024] Furthermore, the fork rod 10 is installed on the fork rod frame 20 .

[0025] Furthermore, at least one through hole 101 is provided on the fork rod 10 .

[0026] Furthermore, one through hole 101 is provided, and is disposed at one end of the fork rod 10 mounted on the fork rod frame 20 .

[0027] During use, after the square tube 1 is sleeved on the fork rod 10, the pressure rod 25 is passed through the through hole 11 and extended into the notch at the bottom end of the fork rod 10 through the through hole 101 on the fork rod 10; the threaded rod 24 is rotated to adjust the relative height of the base 21; after adjustment, the pressure rod 25 is further pushed downward, and the pointed end 251 at the bottom end of the pressure rod 25 cooperates with the oblique opening 231 until the pressure rod 25 is inserted between the first clamping block 22 and the second clamping block 23. The first clamping block 22 and the second clamping block 23 are displaced outward until the first clamping block 22 and the second clamping block 23 contact the vertical side surface of the bottom end of the fork rod 10, thereby achieving efficient positioning connection between the square tube 1 and the fork rod 10, increasing the connection base points of the fork rod 10 and the square tube 1 structure, and effectively preventing the square tube 1 from falling out of the fork rod 10. The utility model has a simple structure, low manufacturing and use costs, and high promotion and application value.

Claims

1. A new type of square tube connection structure, characterized in that: It includes a fork rod, a square tube is connected to the fork rod, and the square tube is fixedly connected to the fork rod through a connecting and positioning assembly. The connecting and positioning assembly includes a base, a first clamping block, a second clamping block, a threaded rod, and a pressure rod. The first clamping block and the second clamping block are slidably installed on the base, and the inner sides of the first clamping block and the second clamping block are provided with bevels. The bottom end of the pressure rod is provided with a pointed head, and the threaded rod is threadedly connected to the square tube and is rotatably connected to the base.

2. The novel square tube connection structure according to claim 1 is characterized in that: The square tube is provided with a through hole for the pressure rod to pass through.

3. The novel square tube connection structure according to claim 1 is characterized in that: The first card block and the second card block are rectangular structures.

4. The novel square tube connection structure according to claim 1 is characterized in that: The fork rod is installed on the fork rod frame.

5. The novel square tube connection structure according to claim 4 is characterized in that: At least one through hole is provided on the fork rod.

6. The novel square tube connection structure according to claim 5 is characterized in that: The through hole is provided at one end of the fork rod which is installed on the fork rod frame.