Gear output shaft device with rust-proof structure

Abstract

The utility model discloses a gear output shaft device with a rust-proof structure, and particularly relates to the technical field of gear output shafts, the gear output shaft device comprises a shaft head, a sleeve tooth structure, an oil storage cavity and an oil seal assembly, the sleeve tooth structure is arranged at the lower end of the shaft head, an outer spline is arranged on the outer surface of the sleeve tooth structure, and an oil conveying hole is formed in the outer surface of the outer spline; the oil storage cavity is formed in an inner cavity of the sleeve tooth structure, the lower end of the oil injection cover is connected with an oil injection cavity, and the oil seal assembly is arranged in an inner cavity of the oil injection cavity. Lubricating oil in the oil storage cavity can continuously permeate and cover each tooth groove in the surface of the gear, the seepage speed is low, the lubricating oil can be slowly released in the long-term use process, the constant lubricating state is kept, it can be ensured that the whole gear contact face is evenly lubricated, friction can be effectively reduced, and the service life of the gear is prolonged. The service life of the gear output shaft is prolonged, more stable and durable sealing can be provided through the oil seal assembly in the dynamic state, and the leakage problem caused by abrasion or aging is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear output shaft technical field, more specifically, the utility model relates to a gear output shaft device with rustproof structure. BACKGROUND

[0002] Gear output shaft is the shaft of output gear power, in many large equipment or small high-precision machinery, the shadow of gear output shaft can be seen, since gear output shaft has the characteristics of transmission power, high precision, so when assembling to the machinery, it is very durable and efficient, and gear output shaft can drive various parts, become one of the indispensable devices of modern mechanical equipment,

[0003] Through the retrieval, the existing patent (publication number: CN218718643U) discloses a gear output shaft, which comprises: a shaft rod, a square hole is formed in the inner wall of the shaft rod, a plurality of installation holes one are formed through the shaft rod and the square hole;The gear mechanism comprises a gear body;The positioning mechanism comprises a rod frame, a square rod is fixed at the bottom of the rod frame, an injection groove is formed on the surface of the rod frame, a conical block is movably arranged in the inner side of the injection groove, a spring is installed at the bottom of the conical block, a plate frame is installed at the bottom end of the spring, and the plate frame is fixed in the injection groove.The utility model, the positioning mechanism, when lubricating oil is injected into the shaft rod, the injection head is pressed against the conical block through the external injection pipe tool, the conical block moves to compress the spring, and the lubricating oil is injected into the injection groove.The lubricating oil flows out from the installation hole three, the installation hole one and the outer part of the shaft rod, and spreads to the outside of the gear body, so that the injection of the lubricating oil is convenient, the friction is reduced when the gear body is engaged, and the service life is increased.The inventor found that the prior art has the following problems in the process of realizing the utility model:

[0004] The friction between the gear and the spline of the existing gear output shaft increases sharply under the condition of high load and high speed, so that heat is generated during the operation of the gear, the contact area between the gear and the spline needs to be fully lubricated, and the contact surface cannot be effectively lubricated, which will cause the friction to increase, cause local overheating and material wear to increase, and the oil spreading mode needs time to cover the contact surface with lubricating oil.Under the condition of high load or speed, the lubricating oil cannot reach the gear part in time, resulting in poor local lubrication, and under the condition of rapid motion or heavy load, a large pressure fluctuation may occur, causing the oil to flow back and forth in some cases, forming a reverse flow, conger1 causing oil leakage, and causing safety hazards;

[0005] Therefore, a gear output shaft device with rustproof structure is proposed for the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a gear output shaft device with anti rust structure to solve the problems raised in the above background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a gear output shaft device with anti rust structure, including shaft head, sleeve tooth structure, oil storage cavity and oil seal assembly, the sleeve tooth structure sets up in the lower extreme of the shaft head, the outer surface of the sleeve tooth structure is equipped with the external spline, the outer surface of the external spline is equipped with the oil hole, the oil storage cavity is equipped in the inner chamber of the sleeve tooth structure, the upper end of the sleeve tooth structure is equipped with the oil injection cover, the lower extreme of the oil injection cover is connected with the oil injection cavity, the oil seal assembly sets up in the inner chamber of the oil injection cavity,

[0008] The oil seal assembly includes the mounting block, the mounting block is installed in the lower end of the oil injection cavity inner chamber, the upper end of the mounting block is equipped with the opening, the lower end of the opening is installed with the sealing ball, the both sides of the sealing ball are equipped with the oil channel, and the lower end of the sealing ball is installed with the spring, and the lower end of the spring is provided with the fixed seat.

[0009] Preferably, the lower end of the sleeve tooth structure is provided with a shaft rod, and the lower end of the shaft rod is provided with a shaft tail.

[0010] Preferably, the oil hole is provided with a plurality of groups, and the plurality of groups of oil holes are connected in communication with the sleeve tooth structure and the oil storage cavity.

[0011] Preferably, the sealing ball and the edge of the opening abut each other, the two groups of oil channels correspond to each other in a mirror image mode, and the two groups of oil channels are connected in communication with the oil storage cavity.

[0012] Preferably, the material of the oil injection cover is silica gel, and the shape of the oil injection cover is circular.

[0013] Preferably, the two ends of the spring are connected with the sealing ball and the fixed seat respectively, and the aperture size of the opening is smaller than the diameter of the sealing ball.

[0014] The utility model discloses technical effects and advantages:

[0015] Compared with the prior art, the gear output shaft device with anti rust structure can continuously penetrate and cover in each tooth groove on the gear surface through the lubricating oil in the oil storage cavity, and the exuding speed is slow, can slowly release oil in the long-term use process, maintains constant lubrication state, can ensure that the whole gear contact surface is evenly lubricated, this can effectively reduce the friction, prolongs the service life of gear output shaft.

[0016] 1. Compared with the existing technology, the gear output shaft device with a rust-proof structure can provide a more stable and lasting seal in dynamic conditions through the oil seal assembly, avoiding leakage problems caused by wear or aging. It also automatically adjusts the oil flow through spring resistance and pressure drive, and can adapt to changes in system pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the front cross-section structure of the utility model.

[0018] Figure 2 This is a front view structural diagram of the utility model.

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model.

[0020] Figure 4 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the figure.

[0021] The accompanying drawings are marked as follows: 1. shaft head; 2. sleeve gear structure; 3. external spline; 4. oil storage chamber; 5. oil hole; 6. oil filling cap; 7. oil filling chamber; 8. shaft; 9. oil seal assembly; 901. mounting block; 902. opening; 903. sealing ball; 904. oil channel; 905. spring; 906. fixing seat; 10. shaft tail. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] As attached Figures 1 to 4 The gear output shaft device shown has a rust-proof structure, including a shaft head 1, a sleeve gear structure 2, an oil storage chamber 4, and an oil seal assembly 9. The sleeve gear structure 2 is arranged at the lower end of the shaft head 1. The outer surface of the sleeve gear structure 2 is provided with an external spline 3. The outer surface of the external spline 3 is provided with an oil delivery hole 5. The oil storage chamber 4 is provided in the inner cavity of the sleeve gear structure 2. The upper end of the sleeve gear structure 2 is provided with an oil filling cap 6. The lower end of the oil filling cap 6 is connected to the oil filling chamber 7. The oil seal assembly 9 is provided in the inner cavity of the oil filling chamber 7.

[0025] The oil seal assembly 9 comprises a mounting block 901 mounted in the lower end of the inner cavity of the oil injection cavity 7, an opening 902 is formed in the upper end of the mounting block 901, a sealing ball 903 is mounted at the lower end of the opening 902, oil channels 904 are formed on both sides of the sealing ball 903, and a spring 905 is mounted at the lower end of the sealing ball 903, and a fixing seat 906 is arranged at the lower end of the spring 905.

[0026] When the device is working, the lubricating oil in the oil storage cavity 4 can continuously penetrate and cover each tooth groove on the surface of the outer spline 3 through the oil delivery hole 5, which can ensure that the entire gear contact surface is uniformly lubricated, reduce local wear and heat concentration, thereby prolonging the service life of the outer spline 3. Due to the small diameter of the oil delivery hole 5, the penetration speed is slow, and the oil can be slowly released during long-term use. The lubricating oil flows to the outer spline 3 in the form of centrifugal force generated by the rotation of the gear output shaft, which can achieve more uniform oil film distribution and ensure that each tooth groove and tooth surface is fully lubricated, thereby improving the overall performance of the gear. The lubricating oil can remain in a state of motion, avoiding the deposition of oil in the oil storage cavity 4, ensuring that the lubricating oil can be quickly supplied to the working surface when needed. When the oil is injected into the oil injection cavity 7 through the oil injection cover 6, the oil seal assembly 9 can flexibly respond to pressure changes during injection. When the oil is injected, the spring 905 contracts, causing the sealing ball 903 to move downward and away from the opening 902. The oil enters the oil channels 904 on both sides through the opening 902, allowing the oil to enter. In the absence of oil injection, the spring 905 can return to its original position, the sealing ball 903 rebounds, and the opening 902 is closed to prevent backflow of oil, ensuring the sealing of the system.

[0027] Example 2

[0028] Based on the embodiment 1, the scheme in embodiment 1 is further refined and introduced in detail as follows in combination with the specific working mode: Figures 1 to 4 as shown in the following description:

[0029] As a preferred embodiment, the lower end of the tooth cover structure 2 is provided with a shaft 8, and the lower end of the shaft 8 is provided with a shaft tail 10. Further, the shaft 8 and the shaft tail 10 are responsible for supporting the gear and other components, and also bear the transmission of torque to ensure effective transmission of power.

[0030] As a preferred embodiment, the oil delivery hole 5 is provided with a plurality of groups, and the plurality of groups of oil delivery holes 5 are all connected to the oil storage cavity 4 through the tooth cover structure 2; further, the oil delivery hole 5 communicates with the oil storage cavity 4 to deliver lubricating oil, and the oil delivery hole 5 is used to output and cover lubricating oil on the surface of the outer spline 3.

[0031] As a preferred embodiment, the sealing ball 903 abuts against the edge of the opening 902, the two groups of oil channels 904 correspond to each other in a mirror image manner, and the two groups of oil channels 904 are in communication with the oil storage cavity 4; further, the sealing ball 903 is used to block the opening 902, and the two groups of oil channels 904 respectively input oil into the oil storage cavity 4.

[0032] As a preferred embodiment, the material of the oil injection cover 6 is silica gel, and the shape of the oil injection cover 6 is circular; further, the user inputs lubricating oil by piercing the oil injection cover 6.

[0033] As a preferred embodiment, the two ends of the spring 905 are respectively connected with the sealing ball 903 and the fixed seat 906, and the aperture size of the opening 902 is smaller than the diameter of the sealing ball 903; further, the spring 905 connects the opening 902 and the fixed seat 906 to avoid loosening, and the aperture of the opening 902 is smaller than the sealing ball 903, so that the sealing ball 903 is prevented from being pushed out by the spring 905.

[0034] The working process of the utility model is as follows: firstly, when it is needed to inject lubricating oil, the oil injection cavity 7 is entered through the oil injection cover 6 on the upper end of the external spline 3, the oil liquid is prevented from flowing back through the sealing ball 903 of the mounting block 901, the oil channel 904 is communicated with the oil storage cavity 4, the opening 902 of the oil injection cavity 7 is smaller than the sealing ball 903, the spring 905 abuts against the sealing ball 903 at the opening 902, and the oil channel 904 is arranged on the two sides of the sealing ball 903 and is slightly lower, the oil channel 904 is communicated with the oil storage cavity 4, since the lubricating oil liquid enters the oil injection cavity 7, pressure is generated, the sealing ball 903 is pressed downward, the spring 905 is contracted, the oil liquid flows into the oil storage cavity 4 through the oil channels 904 on the two sides, when the oil injection is not performed, the spring 905 automatically rebounds on the fixed seat 906, blocks the opening 902, and prevents the oil liquid from flowing back, when it is used, the shaft head 1, the shaft rod 8 and the shaft tail 10 are responsible for supporting the gear and other components, simultaneously bear the transmission of torque, and ensure the effective transmission of power.

[0035] When the device works, the lubricating oil in the oil storage cavity 4 can continuously permeate and cover in each tooth groove of the external spline 3 on the outer surface of the sleeve tooth structure 2 through the oil supply hole 5, the entire gear contact surface can be uniformly lubricated, and since the oil supply hole 5 is small in diameter, the permeation speed is slow, the oil liquid can be slowly released in the long-term use process, and the lubricating oil is discharged to the surface of the external spline 3 in the form of centrifugal force generated by the rotation of the gear output shaft, and the working principle of the gear output shaft device with the anti-rust structure is as above.

[0036] Finally, the above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gear output shaft device with anti-rust structure, comprising a shaft head (1), a sleeve gear structure (2), an oil storage cavity (4) and an oil seal assembly (9), characterized in that: The sleeve tooth structure (2) is arranged at the lower end of the shaft head (1), the outer surface of the sleeve tooth structure (2) is provided with an external spline (3), the outer surface of the external spline (3) is provided with an oil delivery hole (5), the oil storage cavity (4) is arranged in the inner cavity of the sleeve tooth structure (2), the upper end of the sleeve tooth structure (2) is provided with an oil injection cover (6), the lower end of the oil injection cover (6) is connected with an oil injection cavity (7), and the oil seal assembly (9) is arranged in the inner cavity of the oil injection cavity (7). The oil seal assembly (9) comprises a mounting block (901), the mounting block (901) is mounted at the lower end of the inner cavity of the oil injection cavity (7), the upper end of the mounting block (901) is provided with an opening (902), the lower end of the opening (902) is mounted with a sealing ball (903), the two sides of the sealing ball (903) are provided with oil delivery channels (904), and the lower end of the sealing ball (903) is mounted with a spring (905), and the lower end of the spring (905) is provided with a fixing seat (906).

2. The gear output shaft device with anti-rust structure according to claim 1, characterized in that: The lower end of the sleeve tooth structure (2) is provided with a shaft rod (8), and the lower end of the shaft rod (8) is provided with a shaft tail (10).

3. The gear output shaft device with anti-rust structure according to claim 1, characterized in that: The oil delivery hole (5) is provided with a plurality of groups, and the plurality of groups of oil delivery holes (5) are connected with the oil storage cavity (4) and penetrate the sleeve tooth structure (2).

4. The gear output shaft device with anti-rust structure according to claim 2, characterized in that: The sealing ball (903) and the edge of the opening (902) are in abutment with each other, the two groups of oil delivery channels (904) are in mirror image correspondence, and the two groups of oil delivery channels (904) are connected with the oil storage cavity (4).

5. The gear output shaft device with anti-rust structure according to claim 1, characterized in that: The material of the oil injection cover (6) is silica gel, and the shape of the oil injection cover (6) is circular.

6. The gear output shaft device with anti-rust structure according to claim 4, characterized in that: The two ends of the spring (905) are connected with the sealing ball (903) and the fixing seat (906) respectively, and the aperture size of the opening (902) is smaller than the diameter of the sealing ball (903).

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