Worm structure with high bearing capacity

By designing a worm structure using alloy steel material, combined with mechanical lubrication technology and the use of filler soft sleeves, the problem that traditional worm and worm gear materials are not sufficient to withstand high loads, achieving higher load-bearing capacity and longer use life.

CN222479369UActive Publication Date: 2025-02-14ANHUI CHUTIAN PRECISION TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421423295.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-02-14
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The materials of traditional worms and worm gears may not be sufficient to withstand high loads, resulting in wear, deformation or breakage, and there is too high contact stress. In the contact areas between the worm and worm gear, stress concentration may lead to local premature wear.

Method used

A worm structure including a worm main body, worm gear, storage injection pipe, oil injection hole, top sealing cover, lubricating oil outlet pipe was designed. It uses alloy steel material, and the storage injection pipe is installed internally and through the injection hole and lubrication. Oil outlet pipes enable mechanical lubrication, filled soft sleeves and seals for enhanced installation firmness and sealing performance.

Benefits of technology

It effectively improves the load-bearing capacity of the worm structure, reduces stress concentration, extends service life, and prevents breakage and premature wear through alloy steel materials and mechanical lubrication technology.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222479369U_ABST
    Figure CN222479369U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of worm equipment, and discloses a worm structure with high bearing capacity, which comprises a worm main body, a plurality of worm gears are fixedly mounted on the outer surface of the worm main body, the inside of the worm main body is hollow, a storage oil spray pipe is fixedly mounted in the worm main body, and a plurality of worm gears are fixedly mounted in the storage oil spray pipe. The storage oil spraying pipe is filled with mechanical lubricating oil, a plurality of oil spraying holes are formed in the storage oil spraying pipe, a plurality of lubricating oil outlet pipes are arranged on the outer surface of the worm body, and the lubricating oil outlet pipes are all arranged between the worm gear and the gear. By arranging the worm main body, the worm gear, the storage oil spraying pipe, the oil spraying hole, the top sealing cover and the lubricating oil outlet pipe, the problems that abrasion, deformation or breakage is caused due to the fact that materials of a traditional worm and a traditional worm gear are not enough to bear high loads, meanwhile, contact stress is too high, and the contact area of the worm and the worm gear is too large are effectively solved. And stress concentration may cause local premature wear.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of worm gear equipment, and more specifically to a worm gear structure with high load-bearing capacity. Background Art

[0002] The materials of traditional worms and worm wheels may not be sufficient to withstand high loads, resulting in wear, deformation or fracture. At the same time, there is excessive contact stress. In the contact area between the worm and the worm wheel, stress concentration may cause local premature wear. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a worm structure with high load-bearing capacity to solve the problem that the materials of the traditional worm and worm wheel in the above-mentioned background technology may not be sufficient to withstand high loads, resulting in wear, deformation or fracture, and at the same time there is excessive contact stress. In the contact area between the worm and the worm wheel, stress concentration may cause local premature wear.

[0004] The utility model provides the following technical solution: it includes a worm main body, a plurality of worm gears are fixedly installed on the outer surface of the worm main body, the interior of the worm main body is hollow, a storage oil spray pipe is fixedly installed inside the worm main body, the interior of the storage oil spray pipe is filled with mechanical lubricating oil, a plurality of oil spray holes are opened on the storage oil spray pipe, a plurality of lubricating oil outlet pipes are opened on the outer surface of the worm main body, the lubricating oil outlet pipes are all arranged between the worm gears, a thread groove is opened on the top of the worm main body, a top sealing cover is rotatably installed on the thread groove, and the main body material of the worm main body and the worm gear is alloy steel. When in use, the worm body and worm wheel gear will rotate at high speed driven by the motor. At this time, the storage oil spray pipe installed inside the worm body will also rotate with the worm body, and the lubricating oil inside the storage oil spray pipe will be thrown out from the oil spray hole by centrifugal force. There are corresponding lubricating oil outlet pipes near the oil spray holes. These lubricating oils will gush out from the lubricating oil outlet pipes and continuously lubricate the worm wheel gear to prevent the surface stress of the worm body and worm wheel gear from being excessive and causing breakage. At the same time, the worm body and worm wheel gear are made of alloy steel, which has stronger structural strength, and effectively solves the problem that the materials of traditional worm and worm wheel may not be sufficient to withstand high loads, resulting in wear, deformation or breakage, and there is also excessive contact stress. In the contact area between the worm and the worm wheel, stress concentration may cause local premature wear.

[0005] Furthermore, at least two filling sleeves are fixedly mounted on the storage fuel injection pipe, and the filling sleeves are both annular and the main body material of the filling sleeves is fluororubber. When in use, the filling sleeves will fill the gap between the storage fuel injection pipe and the worm body, so that the storage fuel injection pipe can be more firmly and tightly installed in the worm body, and the fluororubber has better high temperature resistance.

[0006] Furthermore, a thread groove is formed at the bottom end of the worm body, and a combined coupling is rotatably mounted on the thread groove at the bottom end of the worm body, and the top end of the combined coupling contacts the bottom end of the storage injection pipe. When in use, the combined coupling can effectively provide correction and calibration functions for the high-speed rotation of the worm body, and the top end of the combined coupling can provide effective support for the storage injection pipe.

[0007] Furthermore, a sealing gasket is fixedly installed at the bottom end of the top sealing cover, and the main body material of the sealing gasket is fluororubber. When in use, the sealing gasket can effectively fill and seal the gap between the top sealing cover and the worm body.

[0008] Furthermore, a structural reinforcement layer is fixedly plated on the outer surface of the worm body, and the main material of the structural reinforcement layer is tungsten steel metal. When in use, the structural reinforcement layer uses tungsten steel, which can further enhance the structural strength and corrosion resistance of the outer surface of the worm body.

[0009] Furthermore, the worm gear is composed of two parallel spiral gear lines. When in use, the double-spiral parallel worm gear can transmit torque at multiple points, dispersing the load and effectively improving the service life.

[0010] Technical effects and advantages of the utility model:

[0011] 1. The utility model is provided with a worm body, a worm wheel gear, a storage oil injection pipe, an oil injection hole, a top sealing cover, and a lubricating oil outlet pipe, thereby effectively solving the problem that the materials of the traditional worm and worm wheel may not be sufficient to withstand high loads, resulting in wear, deformation or breakage, and at the same time there is excessive contact stress. In the contact area between the worm and the worm wheel, stress concentration may cause local premature wear.

[0012] 2. The utility model is provided with a filling soft sleeve. When in use, the filling soft sleeve will fill the gap between the storage fuel injection pipe and the worm body, so that the storage fuel injection pipe can be installed more firmly and tightly in the worm body, and the fluororubber has better high temperature resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic front view cross-sectional diagram of the structure of the present utility model.

[0014] Figure 2 It is a schematic front view of the structure of the utility model.

[0015] Figure 3 It is a bottom view schematic diagram of a partial structure of the utility model.

[0016] Figure 4 It is a schematic top view of part of the structure of the utility model.

[0017] The reference numerals in the drawings are: 100, worm body; 110, worm wheel gear; 111, storage oil injection pipe; 112, oil injection hole; 113, top sealing cover; 114, lubricating oil outlet pipe; 115, filling soft sleeve; 116, combined coupling; 117, sealing gasket; 118, structural reinforcement layer. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The worm structure with high load-bearing capacity involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0019] Embodiment 1:

[0020] Reference Figure 1 and Figure 2 The utility model provides a worm structure with high load-bearing capacity, including a worm body 100, a plurality of worm gears 110 are fixedly installed on the outer surface of the worm body 100, the interior of the worm body 100 is hollow, a storage oil injection pipe 111 is fixedly installed inside the worm body 100, the interior of the storage oil injection pipe 111 is filled with mechanical lubricating oil, a plurality of oil injection holes 112 are provided on the storage oil injection pipe 111, a plurality of lubricating oil outlet pipes 114 are provided on the outer surface of the worm body 100, and the lubricating oil outlet pipes 114 are all arranged between the worm gears 110, a thread groove is provided on the top of the worm body 100, a top sealing cover 113 is rotatably installed on the thread groove, and the main body material of the worm body 100 and the worm gear 110 is alloy steel.

[0021] At least two filling sleeves 115 are fixedly mounted on the storage fuel injection pipe 111 . The filling sleeves 115 are all ring-shaped, and the main body material of the filling sleeves 115 is fluororubber.

[0022] A thread groove is formed at the bottom end of the worm body 100 , and a combined coupling 116 is rotatably mounted on the thread groove at the bottom end of the worm body 100 . The top end of the combined coupling 116 contacts the bottom end of the storage injection pipe 111 .

[0023] Working principle: When in use, the worm body 100 and the worm gear 110 will rotate at high speed driven by the motor. At this time, the storage oil injection pipe 111 installed inside the worm body 100 will also rotate with the worm body 100, and the lubricating oil inside the storage oil injection pipe 111 will be thrown out from the oil injection hole 112 by centrifugal force, and there is a corresponding lubricating oil outlet pipe 114 near the oil injection hole 112. The lubricating oil will flow out from the lubricating oil outlet pipe 114 and continuously lubricate the worm gear 110 to prevent the surface stress of the worm body 100 and the worm gear 110 from being excessive and causing breakage. At the same time, the worm body 100 and the worm gear 110 are made of alloy steel, which has stronger structural strength.

[0024] Embodiment 2:

[0025] Reference Figure 1 The difference between the second embodiment and the first embodiment is that a sealing gasket 117 is fixedly installed at the bottom end of the top sealing cover 113, and the main body material of the sealing gasket 117 is fluororubber.

[0026] A structural reinforcement layer 118 is fixedly electroplated on the outer surface of the worm body 100 , and the main material of the structural reinforcement layer 118 is tungsten steel metal.

[0027] The worm gear 110 is composed of two parallel helical gear lines.

[0028] Working principle: When in use, the double-helix parallel worm gear 110 can transmit torque at multiple points to disperse the load and effectively increase the service life.

[0029] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

Claims

1. A worm structure with high load-bearing capacity, comprising a worm body (100), characterized in that: A plurality of worm gears (110) are fixedly mounted on the outer surface of the worm body (100); the interior of the worm body (100) is hollow; a storage oil injection pipe (111) is fixedly mounted inside the worm body (100); the interior of the storage oil injection pipe (111) is filled with mechanical lubricating oil; a plurality of oil injection holes (112) are provided on the storage oil injection pipe (111); a plurality of lubricating oil outlet pipes (114) are provided on the outer surface of the worm body (100); the lubricating oil outlet pipes (114) are all arranged between the worm gears (110); a thread groove is provided at the top end of the worm body (100); a top sealing cover (113) is rotatably mounted on the thread groove; the main body material of the worm body (100) and the worm gear (110) is alloy steel.

2. A worm structure with high load-bearing capacity according to claim 1, characterized in that: At least two filling soft sleeves (115) are fixedly mounted on the storage fuel injection pipe (111), the filling soft sleeves (115) are both annular in shape, and the main body material of the filling soft sleeves (115) is both fluororubber.

3. A worm structure with high load-bearing capacity according to claim 1, characterized in that: A thread groove is formed at the bottom end of the worm body (100), and a combined coupling (116) is rotatably mounted on the thread groove at the bottom end of the worm body (100), and the top end of the combined coupling (116) is in contact with the bottom end of the storage injection pipe (111).

4. A worm structure with high load-bearing capacity according to claim 1, characterized in that: A sealing gasket (117) is fixedly mounted on the bottom end of the top sealing cover (113), and the main body material of the sealing gasket (117) is fluororubber.

5. A worm structure with high load-bearing capacity according to claim 1, characterized in that: A structural reinforcement layer (118) is fixedly electroplated on the outer surface of the worm body (100), and the main material of the structural reinforcement layer (118) is tungsten steel metal.

6. A worm structure with high load-bearing capacity according to claim 1, characterized in that: The worm gear (110) consists of two parallel spiral gear lines.