High-strength screw

Abstract

The utility model discloses a high-strength screw which comprises an installation cylinder, end covers are installed on the end walls of the two ends of the installation cylinder, a screw body, a threaded sleeve and two reinforcing assemblies are arranged in the installation cylinder, and the two reinforcing assemblies are arranged on the two sides of the outer wall of the screw body in a sleeved mode respectively. The threaded sleeve is installed on the outer wall of the screw body, a second connecting rod is arranged on the circumferential outer wall of the threaded sleeve, and the other end of the second connecting rod penetrates through the limiting groove hole and extends to the outside to be connected with a moving block. The reinforcing assembly is formed by combining a spring, a first movable sleeve, a second movable sleeve, a first connecting plate and a second connecting plate. According to the screw, the bearing capacity of the screw body is effectively improved, the conditions of bending, deformation and the like caused by insufficient structural strength of the screw body are effectively avoided, the condition that the screw body swings in the rotating process is also avoided, and the stability of the screw body in the rotating process is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw technology field, concretely is a high strength screw. BACKGROUND

[0002] In the field of mechanical transmission, the screw is often matched with the nut to convert rotary motion into linear motion or convert linear motion into rotary motion. The screw linear motion assembly is widely used in precision machine tools, automated production lines, 3D printers and other equipment, and is a key link for realizing accurate displacement and efficient power transmission. With the development of industrial automation and intelligent manufacturing, the requirements for the precision, stability and carrying capacity of the screw linear motion are increasing.

[0003] After searching, patent publication No. CN217258272U discloses a high-strength impact-resistant alloy screw, which comprises a shaft and a screw. A spiral thread is fixedly arranged on the shaft of the screw. A fixed cylinder is fixedly arranged at the lower end of the screw. A through hole is formed in the middle of the screw. A limiting block is fixedly arranged on the shaft of the shaft. A limiting groove is formed in the side wall of the through hole. The limiting groove and the limiting block are limitedly matched with each other. A shaft is arranged in the through hole. The lower end of the shaft passes through the fixed cylinder and is fixedly provided with a connecting sleeve. A fixed rod is fixedly arranged at the middle of the end of the connecting sleeve away from the shaft. A connecting cylinder is rotatably arranged at the end of the fixed rod away from the connecting sleeve. The high-strength impact-resistant alloy screw has the advantages of convenient replacement of different types of screws, convenient connection and disconnection of the screw, high structural strength during connection, and wide application.

[0004] The existing screw is prone to bending and deformation during linear motion when the screw bears a large axial load. The bending or deformation of the screw affects the stability of the moving parts on the screw during movement, and even causes the moving parts to be stuck. Some long screws may sway during rotation, which may affect the stability of the moving parts during movement. Therefore, a high-strength screw is designed. UTILITY MODEL CONTENTS

[0005] In view of the defects or deficiencies of the screw, the utility model aims to provide a high-strength screw which not only effectively improves the carrying capacity of the screw body, but also effectively avoids the bending and deformation of the screw body due to insufficient structural strength, and also avoids the swinging of the screw body during rotation.

[0006] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:

[0007] The utility model provides a kind of high-strength screw rod, including installation cylinder, end cover is installed on the end wall of the both ends of installation cylinder, the inside of installation cylinder is provided with screw rod body, threaded sleeve and two reinforcing components, and two reinforcing components are respectively set in the both sides of the outer wall of screw rod body, the threaded sleeve is installed on the outer wall of screw rod body, and screw rod body and screw rod body are threadedly connected, the circumferential outer wall of threaded sleeve is provided with second connecting rod, another end of second connecting rod penetrates limit slot hole and extends to outside and is connected with moving block;

[0008] The reinforcing component is combined by spring, first moving sleeve, second moving sleeve, first connecting plate and second connecting plate, the first connecting plate is connected with the second moving sleeve by spring, the second moving sleeve is connected with the first moving sleeve by spring, and the first moving sleeve is connected with the second connecting plate by spring.

[0009] The circumferential outer wall of the first moving sleeve and the second moving sleeve is provided with a first connecting rod arranged in an annular array, and the other end of the first connecting rod is provided with a bullseye roller.

[0010] Preferably, the both ends of the screw rod body penetrate the bearing on the outer wall center position of the end cover and extend to the outside, and the end cover and the installation cylinder are fixedly connected by fastening bolts.

[0011] Preferably, the limit slot hole is arranged on the circumferential outer wall of the installation cylinder, and the outer wall of the second connecting rod and the inner wall of the limit slot hole are gap-fitted.

[0012] Preferably, one end of the bullseye roller is located in the limit groove, and the outer wall of the bullseye roller and the groove wall of the limit groove are gap-fitted, and the limit groove is arranged in an annular array on the circumferential inner wall of the installation cylinder.

[0013] Preferably, the spring, the first moving sleeve and the second moving sleeve are located outside the circumferential outer wall of the screw rod body, and the circumferential inner wall of the first moving sleeve and the second moving sleeve and the circumferential outer wall of the screw rod body are gap-fitted.

[0014] Preferably, the first connecting plate is installed on the outer wall of the threaded sleeve by fastening bolts, and the second connecting plate is installed on the outer wall of the end cover by fastening bolts.

[0015] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0016] 1. In the utility model, through the cooperation of the reinforcing assembly and the like structure, when the moving block bears the object, the force borne by the moving block is transmitted to the screw rod body through the threaded sleeve, the reinforcing assembly on the screw rod body can share the force borne by the screw rod body, and the setting of the reinforcing assembly enhances the overall load bearing performance of the screw rod body, so that the utility model not only effectively improves the load bearing capacity of the screw rod body, but also effectively avoids the bending and deformation of the screw rod body due to insufficient structural strength.

[0017] 2. In the utility model, through the cooperation of a series of structures, when the screw rod body rotates, the first connecting plate, the second connecting plate, the first moving sleeve and the second moving sleeve on the reinforcing assembly can limit the screw rod body in a certain direction, so that the swinging of the screw rod body during rotation is avoided, the stability of the screw rod body during rotation is enhanced, and the local sinking of the long screw rod body is also avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings constituting a part of the specification of the utility model are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.

[0019] Figure 1 It is the overall three-dimensional structure schematic view of the utility model.

[0020] Figure 2 It is the structure schematic view of the utility model removing the installation cylinder.

[0021] Figure 3 It is the structure schematic view of the reinforcing assembly of the utility model.

[0022] Figure 4 It is the structure schematic view of the first moving sleeve and the second moving sleeve of the utility model.

[0023] Figure 5 It is the structure schematic view of the connection between the screw rod body and the moving block of the utility model.

[0024] Figure 6 It is the sectional view of the installation cylinder of the utility model.

[0025] In the drawing:

[0026] 100, moving block;

[0027] 200, installation cylinder; 210, limiting slot hole; 220, limiting groove;

[0028] 300, end cover;

[0029] 400, screw rod body;

[0030] 500, reinforcing assembly; 510, spring; 520, first moving sleeve; 530, second moving sleeve; 531, first connecting rod; 532, bull's eye roller; 540, first connecting plate; 550, second connecting plate;

[0031] 600, threaded sleeve; 610, second connecting rod. DETAILED DESCRIPTION

[0032] The utility model will be further explained in connection with the drawings and embodiments.

[0033] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as generally understood by those skilled in the art to which the utility model belongs.

[0034] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0035] As shown in Figures 1-6 A high-strength screw rod, comprising a mounting cylinder 200, end covers 300 are installed on the end walls at both ends of the mounting cylinder 200, a screw rod body 400, a threaded sleeve 600 and two reinforcing assemblies 500 are arranged in the interior of the mounting cylinder 200, the two reinforcing assemblies 500 are respectively sleeved on both sides of the outer wall of the screw rod body 400, the threaded sleeve 600 is installed on the outer wall of the screw rod body 400, and the screw rod body 400 and the threaded sleeve 600 are in threaded fit connection, a second connecting rod 610 is arranged on the circumferential outer wall of the threaded sleeve 600, the other end of the second connecting rod 610 penetrates through a limiting slot hole 210 and extends to the outside to be connected with a moving block 100;

[0036] The reinforcing assembly 500 is composed of a spring 510, a first moving sleeve 520, a second moving sleeve 530, a first connecting plate 540 and a second connecting plate 550, the first connecting plate 540 is connected with the second moving sleeve 530 through the spring 510, the second moving sleeve 530 is connected with the first moving sleeve 520 through the spring 510, and the first moving sleeve 520 is connected with the second connecting plate 550 through the spring 510;

[0037] The circumferential outer wall of the first moving sleeve 520 and the second moving sleeve 530 is provided with a first connecting rod 531 arranged in an annular array, and the other end of the first connecting rod 531 is provided with a bullseye roller 532. The bullseye roller 532 is arranged to enable the first moving sleeve 520 and the second moving sleeve 530 to move in the mounting cylinder 200.

[0038] The screw body 400 penetrates through the bearing at the center position of the outer wall of the end cover 300 and extends to the outside. The end cover 300 and the mounting cylinder 200 are fixedly connected through fastening bolts. Since the end cover 300 and the mounting cylinder 200 are fixedly connected through fastening bolts, the end cover 300 can be disassembled and assembled by the staff, and the structure inside the mounting cylinder 200 can be removed to the outside for maintenance or replacement of parts.

[0039] The limiting groove hole 210 is arranged on the circumferential outer wall of the mounting cylinder 200, and the outer wall of the second connecting rod 610 and the inner wall of the limiting groove hole 210 are in clearance fit. Since the outer wall of the second connecting rod 610 and the inner wall of the limiting groove hole 210 are in clearance fit, the movement of the moving block 100 can be limited and guided.

[0040] One end of the bullseye roller 532 is located in the limiting groove 220, and the outer wall of the bullseye roller 532 and the groove wall of the limiting groove 220 are in clearance fit. The limiting groove 220 is arranged in an annular array on the circumferential inner wall of the mounting cylinder 200. Since the outer wall of the bullseye roller 532 and the groove wall of the limiting groove 220 are in clearance fit, the movement of the first moving sleeve 520 and the second moving sleeve 530 can be limited and guided, and the stability of the first moving sleeve 520 and the second moving sleeve 530 during movement is enhanced.

[0041] The spring 510, the first moving sleeve 520 and the second moving sleeve 530 are located outside the circumferential outer wall of the screw body 400, and the circumferential inner wall of the first moving sleeve 520 and the second moving sleeve 530 and the circumferential outer wall of the screw body 400 are in clearance fit.

[0042] The first connecting plate 540 is installed on the outer wall of the threaded sleeve 600 through fastening bolts, and the second connecting plate 550 is installed on the outer wall of the end cover 300 through fastening bolts. Since the first connecting plate 540 is installed on the outer wall of the threaded sleeve 600 through fastening bolts, and the second connecting plate 550 is installed on the outer wall of the end cover 300 through fastening bolts, the staff can disassemble and replace the reinforcing assembly 500.

[0043] Working principle: when the mobile block 100 carries the object, the force borne by the mobile block 100 is transmitted to the screw body 400 through the threaded sleeve 600, the reinforcing assembly 500 on the screw body 400 can share the force borne by the screw body 400, the arrangement of the reinforcing assembly 500 enhances the carrying performance of the whole screw body 400, thereby the utility model not only effectively improves the carrying capacity of the screw body 400, but also effectively avoids the bending, deformation and other situations of the screw body 400 due to insufficient structural strength, when the screw body 400 rotates, the first connecting plate 540, the second connecting plate 550, the first moving sleeve 520 and the second moving sleeve 530 on the reinforcing assembly 500 can limit the screw body 400 in a certain direction, thereby avoiding the swinging of the screw body 400 during rotation, enhancing the stability of the screw body 400 during rotation, and avoiding the local sinking of the long screw body 400.

[0044] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and the utility model can have various changes and variations for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-strength screw rod comprising a mounting cylinder (200), characterized in that: The end wall of both ends of the mounting cylinder (200) is provided with an end cover (300), the inside of the mounting cylinder (200) is provided with a screw body (400), a threaded sleeve (600) and two reinforcing assemblies (500), the two reinforcing assemblies (500) are respectively sleeved on the two sides of the outer wall of the screw body (400), the threaded sleeve (600) is installed on the outer wall of the screw body (400), and the screw body (400) and the screw body (400) are in threaded connection, the circumferential outer wall of the threaded sleeve (600) is provided with a second connecting rod (610), one end of the second connecting rod (610) penetrates through the limiting groove hole (210) and extends to the outside and is connected with the moving block (100). The reinforcing assembly (500) is composed of a spring (510), a first moving sleeve (520), a second moving sleeve (530), a first connecting plate (540) and a second connecting plate (550), the first connecting plate (540) is connected with the second moving sleeve (530) through the spring (510), the second moving sleeve (530) is connected with the first moving sleeve (520) through the spring (510), and the first moving sleeve (520) is connected with the second connecting plate (550) through the spring (510). The circumferential outer wall of the first moving sleeve (520) and the second moving sleeve (530) is provided with a first connecting rod (531) in annular array distribution, and the other end of the first connecting rod (531) is provided with a bullseye roller (532).

2. The high strength threaded rod of claim 1, wherein: Both ends of the screw body (400) penetrate through the bearing on the center position of the outer wall of the end cover (300) and extend to the outside, and the end cover (300) and the mounting cylinder (200) are fixedly connected through fastening bolts.

3. The high strength threaded rod of claim 1, wherein: The limiting groove hole (210) is arranged on the circumferential outer wall of the mounting cylinder (200), and the outer wall of the second connecting rod (610) and the inner wall of the limiting groove hole (210) are in clearance fit.

4. The high strength threaded rod of claim 1, wherein: One end of the bullseye roller (532) is located in the limiting groove (220), and the outer wall of the bullseye roller (532) and the groove wall of the limiting groove (220) are in clearance fit, and the limiting groove (220) is arranged in annular array on the circumferential inner wall of the mounting cylinder (200).

5. The high strength threaded rod of claim 1, wherein: The spring (510), the first moving sleeve (520) and the second moving sleeve (530) are located outside the circumferential outer wall of the screw body (400), and the circumferential inner wall of the first moving sleeve (520) and the second moving sleeve (530) and the circumferential outer wall of the screw body (400) are in clearance fit.

6. The high strength threaded rod of claim 1, wherein: The first connecting plate (540) is installed on the outer wall of the threaded sleeve (600) through fastening bolts, and the second connecting plate (550) is installed on the outer wall of the end cover (300) through fastening bolts.

Images