Differential half axle gear and production device thereof

By introducing reinforcement components, such as the outer ring, bottom ring, buffer pad, locking bolts, connecting ribs and sealing rings, the problem of insufficient vertical load-bearing capacity of the existing half-axle gear is solved, and a more stable connection between the shaft body and the wheel body is achieved, breakage is avoided, and the normal use of the wheel body is ensured.

CN222963278UActive Publication Date: 2025-06-10CHONGQING YONGHE STRAIGHT BEVEL GEAR CO LTD
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Patent Information

Application Number
CN202422086844.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-06-10
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

In the connection between the shaft body and the wheel body, the existing half-axle gear has strong lateral load-bearing capacity but weak vertical load-bearing capacity, which is prone to fracture, affecting the normal use of the wheel body.

Method used

A differential half-axle gear is designed, and reinforcement components include outer ring, bottom ring, buffer pad, locking bolts, connecting ribs and sealing rings. Through these components, the connection between the shaft body and the wheel body is enhanced and the vertical load-bearing capacity is improved.

Benefits of technology

By strengthening the design of the components, the vertical bearing capacity of the shaft body and the wheel body is significantly improved, breakage is avoided, and the normal operation of the wheel body is ensured.

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Abstract

The utility model relates to the technical field of half axle gear machining, in particular to a differential half axle gear and a production device thereof. Comprising a shaft body, a wheel body, a plurality of outer wheel teeth and a reinforcing assembly, the reinforcing assembly comprises an outer ring, a bottom ring, a buffer pad, a locking bolt, a connecting rib and a sealing ring, the other end of the connecting rib is fixedly connected with the outer ring, the sealing ring is fixedly connected with the outer ring, the bottom ring and the wheel body are provided with threaded holes respectively, the threaded holes are in threaded fit with the locking bolt, and the outer ring penetrates through the shaft body; the buffer pad is in contact with the wheel body, then the locking bolt is tightened, the bottom ring is fixed to one side of the wheel body, the sealing ring can improve the damping feeling between the shaft body and the outer ring, the outer wall of the shaft body is better protected, the connecting rib is used for connecting the outer ring and the bottom ring, and the connectivity between the shaft body and the wheel body is enhanced in the mode. The vertical bearing capacity of the shaft body and the wheel body is improved, the situation of breakage is avoided, and normal work of the wheel body is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of half - shaft gear processing, in particular to a differential half - shaft gear and its production device. Background Technique

[0002] The half - shaft gear is a gear in an automotive differential and is a conical gear. An automobile is equipped with two half - shaft gears. The automobile has two drive shafts, which are respectively connected to the two half - shaft gears to drive the left and right wheels respectively. The half - shaft gear is installed on the differential assembly. One end of the automotive drive half - shaft is connected to the half - shaft gear by splines, and the other end is connected to the automotive drive wheel. For a rear - wheel - drive vehicle, the differential assembly is in the rear axle housing; for a front - wheel - drive vehicle, the differential assembly is in the transmission.

[0003] The existing half - shaft gear mainly consists of a shaft body, a wheel body and a plurality of external gear teeth. A plurality of external gear teeth are evenly distributed on the outer wall of the wheel body, and a tooth groove is formed between two adjacent external gear teeth. The shaft body is fixed to one side of the wheel body.

[0004] Currently, the general process between the shaft body and the wheel body is integral molding. Its lateral load - bearing capacity is relatively strong, but its vertical load - bearing capacity is relatively weak, and it is prone to fracture, affecting the normal use of the wheel body. Content of the Utility Model

[0005] The purpose of the utility model is to provide a differential half - shaft gear and its production device, aiming to solve the technical problem in the existing technology that the general process between the shaft body and the wheel body is integral molding, its lateral load - bearing capacity is relatively strong, but its vertical load - bearing capacity is relatively weak, and it is prone to fracture, affecting the normal use of the wheel body.

[0006] To achieve the above - mentioned purpose, a differential half - shaft gear adopted by the utility model includes a shaft body, a wheel body, a plurality of external gear teeth and a strengthening component. The strengthening component includes an outer ring, a bottom ring, a buffer pad, a locking bolt, a connecting rib and a sealing ring. The shaft body is fixedly connected to the wheel body and is located on one side of the wheel body. A plurality of the external gear teeth are fixedly connected to the wheel body and are respectively located on the outer side wall of the wheel body. The strengthening component is arranged between the shaft body and the wheel body. The outer ring is slidably connected to the shaft body and is located on the outer side wall of the shaft body. The buffer pad is in contact with the wheel body and is located on one side of the wheel body. The bottom ring is fixedly connected to the buffer pad and is located on one side of the buffer pad. One end of the connecting rib is fixedly connected to the bottom ring and is located on one side of the bottom ring. The other end of the connecting rib is fixedly connected to the outer ring and is located on the outer side wall of the outer ring. The sealing ring is fixedly connected to the outer ring and is located on the outer side wall of the outer ring, and the sealing ring is in contact with the shaft body. The bottom ring and the wheel body respectively have threaded holes, and the threaded holes are in threaded cooperation with the locking bolt.

[0007] Wherein, the strengthening component further includes an elastic gasket, which is detachably connected to the locking bolt and located on the outer sidewall of the locking bolt, and the elastic gasket contacts the bottom ring.

[0008] The present utility model also provides a production device for a differential half axle gear, for manufacturing the differential half axle gear as described above, including a working frame, a moving plate, a hydraulic cylinder, a fixed seat, a cylinder, a track bin, a slide plate, a first motor, a rotating shaft, a slicer, a clamping component, and a stabilizing component. The moving plate is slidably connected to the working frame and located on the inner sidewall of the working frame. The hydraulic cylinder is fixedly connected to the working frame and located above the working frame. The output end of the hydraulic cylinder is fixedly connected to the moving plate and located above the moving plate. The output end of the hydraulic cylinder penetrates the working frame. The track bin is fixedly connected to the moving plate and located below the moving plate. The slide plate is slidably connected to the track bin and located on the inner sidewall of the track bin. The first motor is fixedly connected to the slide plate and located on one side of the slide plate. The slide plate has a circular hole, and the circular hole is rotationally matched with the rotating shaft. The rotating shaft is fixedly connected to the first motor and located at the output end of the first motor. The slide plate has a cutting hole, and the cutting hole is rotationally matched with the slicer. The slicer is fixedly connected to the rotating shaft and located on the outer sidewall of the rotating shaft. The fixed seat is fixedly connected to the moving plate and located below the moving plate. The cylinder is fixedly connected to the fixed seat and located below the fixed seat. The output end of the cylinder is fixedly connected to the slide plate and located on one side of the slide plate. The clamping component is arranged on the inner bottom wall of the working frame, and the stabilizing component is arranged on the inner sidewall of the working frame.

[0009] Wherein, the clamping component includes a second motor, a fixed box, a bottom plate, and a mechanical claw disc. The fixed box is fixedly connected to the working frame and located on the inner bottom wall of the working frame. The second motor is fixedly connected to the fixed box and located on the inner bottom wall of the fixed box. The bottom plate is fixedly connected to the second motor and located at the output end of the second motor. The output end of the second motor penetrates the fixed box. The mechanical claw disc is fixedly connected to the bottom plate and located above the bottom plate.

[0010] Wherein, the clamping component further includes an abrasive plate and an electric telescopic rod. The electric telescopic rod is fixedly connected to the fixed box and located on the outer sidewall of the fixed box. The abrasive plate is fixedly connected to the electric telescopic rod and located at the output end of the electric telescopic rod.

[0011] Among them, the stabilizing component includes a sliding rod and two limiting rings. The moving plate has a sliding hole which is in sliding fit with the sliding rod. The sliding rod is slidably connected to the track bin and is located on one side of the track bin. The two limiting rings are both fixedly connected to the sliding rod and are respectively located on the outer sidewall of the sliding rod.

[0012] Among them, the stabilizing component further includes two soft pads. The two soft pads are respectively fixedly connected to the corresponding limiting rings and are located on one side of the limiting rings.

[0013] For a differential half shaft gear and its production device of the present utility model, pass the outer ring through the shaft body to make the buffer pad contact the wheel body, and then tighten the locking bolt to fix the bottom ring to one side of the wheel body. The sealing ring can improve the damping feeling between the shaft body and the outer ring, better protect the outer wall of the shaft body. The connecting ribs are used to connect the outer ring and the bottom ring. In this way, the connection between the shaft body and the wheel body is enhanced, the vertical load-bearing capacity between the shaft body and the wheel body is improved, the situation of fracture is avoided, and the normal operation of the wheel body is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 is a schematic structural diagram of the differential half shaft gear of the present utility model.

[0016] Figure 2 is a structural sectional view of the differential half shaft gear of the present utility model.

[0017] Figure 3 is a schematic structural diagram of the production device of the differential half shaft gear of the present utility model.

[0018] Figure 4 is a structural sectional view of the production device of the differential half shaft gear of the present utility model.

[0019] Figure 5 is a front view of the production device of the differential half shaft gear of the present utility model.

[0020] Figure 6 is of the present utility model Figure 5 sectional view taken along line A-A.

[0021] 101 - Shaft body, 102 - Wheel body, 103 - Outer wheel teeth, 104 - Outer ring, 105 - Bottom ring, 106 - Buffer pad, 107 - Locking bolt, 108 - Connecting rib, 109 - Sealing ring, 110 - Elastic gasket, 111 - Threaded hole, 112 - Working frame, 113 - Moving plate, 114 - Hydraulic cylinder, 115 - Fixed seat, 116 - Cylinder, 117 - Track bin, 118 - Slide plate, 119 - First motor, 120 - Rotating shaft, 121 - Slicer, 122 - Second motor, 123 - Fixed box, 124 - Bottom plate, 125 - Mechanical claw disc, 126 - Grinding plate, 127 - Electric telescopic rod, 128 - Slide bar, 129 - Limit ring, 130 - Soft pad, 131 - Round hole, 132 - Cutting hole, 133 - Slide hole. Detailed implementation manner

[0022] Please refer to Figures 1 to 2 , wherein, Figure 1 is a schematic structural view of the differential half shaft gear of the present utility model, Figure 2 is a structural sectional view of the differential half shaft gear of the present utility model.

[0023] The present utility model provides a differential half shaft gear, including a shaft body 101, a wheel body 102, a plurality of outer wheel teeth 103 and a strengthening component. The strengthening component includes an outer ring 104, a bottom ring 105, a buffer pad 106, a locking bolt 107, a connecting rib 108, a sealing ring 109 and an elastic gasket 110. The bottom ring 105 and the wheel body 102 respectively have threaded holes 111.

[0024] The shaft body 101 is fixedly connected to the wheel body 102 and is located on one side of the wheel body 102. A plurality of the outer wheel teeth 103 are all fixedly connected to the wheel body 102 and are respectively located on the outer side wall of the wheel body 102. The strengthening component is arranged between the shaft body 101 and the wheel body 102.

[0025] In this implementation manner, the connection between the shaft body 101 and the wheel body 102 is enhanced through the strengthening component, the vertical load-bearing capacity of the shaft body 101 and the wheel body 102 is improved, the situation of fracture is avoided, and the normal operation of the wheel body 102 is ensured.

[0026] Further, the outer ring 104 is slidably connected to the shaft body 101 and is located on the outer sidewall of the shaft body 101. The buffer pad 106 contacts the wheel body 102 and is located on one side of the wheel body 102. The bottom ring 105 is fixedly connected to the buffer pad 106 and is located on one side of the buffer pad 106. One end of the connecting rib 108 is fixedly connected to the bottom ring 105 and is located on one side of the bottom ring 105. The other end of the connecting rib 108 is fixedly connected to the outer ring 104 and is located on the outer sidewall of the outer ring 104. The sealing ring 109 is fixedly connected to the outer ring 104 and is located on the outer sidewall of the outer ring 104, and the sealing ring 109 contacts the shaft body 101. The bottom ring 105 and the wheel body 102 respectively have threaded holes 111, and the threaded holes 111 are in threaded fit with the locking bolts 107.

[0027] In this embodiment, the outer ring 104 is passed through the shaft body 101 to make the buffer pad 106 contact the wheel body 102, and then the locking bolts 107 are tightened to fix the bottom ring 105 to one side of the wheel body 102. The sealing ring 109 can increase the damping feeling between the shaft body 101 and the outer ring 104, and better protect the outer wall of the shaft body 101. The connecting rib 108 is used to connect the outer ring 104 and the bottom ring 105. In this way, the connection between the shaft body 101 and the wheel body 102 is enhanced, the vertical load-bearing capacity of the shaft body 101 and the wheel body 102 is improved, the situation of fracture is avoided, and the normal operation of the wheel body 102 is ensured.

[0028] Further, the elastic gasket 110 is detachably connected to the locking bolt 107 and is located on the outer sidewall of the locking bolt 107, and the elastic gasket 110 contacts the bottom ring 105.

[0029] In this embodiment, the elastic gasket 110 can increase the contact area between the locking bolt 107 and the bottom ring 105, which is convenient for the installer to fix the bottom ring 105.

[0030] Please refer to Figures 3 to 6 , in which, Figure 3 is a schematic structural diagram of the production device of the differential half shaft gear of the present invention, Figure 4 is a structural sectional view of the production device of the differential half shaft gear of the present invention, Figure 5 is a front view of the production device of the differential half shaft gear of the present invention, Figure 6 is of the present invention Figure 5 A-A line sectional view.

[0031] The present utility model also provides a production device for a differential half shaft gear, for preparing the differential half shaft gear as described above, including a working frame 112, a moving plate 113, a hydraulic cylinder 114, a fixed seat 115, a cylinder 116, an orbital bin 117, a sliding plate 118, a first motor 119, a rotating shaft 120, a slicer 121, a clamping assembly and a stabilizing assembly. The clamping assembly includes a second motor 122, a fixed box 123, a bottom plate 124, a mechanical claw disc 125, an abrasive plate 126 and an electric telescopic rod 127. The stabilizing assembly includes a sliding rod 128, two limiting rings 129 and two soft pads 130. The sliding plate 118 has a circular hole 131 and a cutting hole 132. The moving plate 113 has a sliding hole 133.

[0032] The moving plate 113 is slidably connected to the working frame 112 and is located on the inner side wall of the working frame 112. The hydraulic cylinder 114 is fixedly connected to the working frame 112 and is located above the working frame 112. The output end of the hydraulic cylinder 114 is fixedly connected to the moving plate 113 and is located above the moving plate 113. The output end of the hydraulic cylinder 114 penetrates through the working frame 112. The orbital bin 117 is fixedly connected to the moving plate 113 and is located below the moving plate 113. The sliding plate 118 is slidably connected to the orbital bin 117 and is located on the inner side wall of the orbital bin 117. The first motor 119 is fixedly connected to the sliding plate 118 and is located on one side of the sliding plate 118. The sliding plate 118 has a circular hole 131 which is rotationally matched with the rotating shaft 120. The rotating shaft 120 is fixedly connected to the first motor 119 and is located at the output end of the first motor 119. The sliding plate 118 has a cutting hole 132 which is rotationally matched with the slicer 121. The slicer 121 is fixedly connected to the rotating shaft 120 and is located on the outer side wall of the rotating shaft 120. The fixed seat 115 is fixedly connected to the moving plate 113 and is located below the moving plate 113. The cylinder 116 is fixedly connected to the fixed seat 115 and is located below the fixed seat 115. The output end of the cylinder 116 is fixedly connected to the sliding plate 118 and is located on one side of the sliding plate 118. The clamping assembly is arranged on the inner bottom wall of the working frame 112, and the stabilizing assembly is arranged on the inner side wall of the working frame 112.

[0033] In this embodiment, the clamping assembly is used to fix the workpiece. The hydraulic cylinder 114 is started to make it abut against the moving plate 113 and slide downward until the slicer 121 is located above the workpiece. Then, the first motor 119 is started to make the rotating shaft 120 drive the slicer 121 to rotate. After that, the air cylinder 116 is opened to make the sliding plate 118 slide in the track bin 117. At this time, the slicer 121 grooves the workpiece, and the clamping assembly cooperates with the slicer 121 to perform a 360-degree processing operation on the workpiece. The stabilizing assembly is used to assist the sliding of the moving plate 113. By processing the half shaft gear in this way, the processing efficiency and quality of the half shaft gear can be effectively improved, and the fatigue strength of the staff can be reduced.

[0034] Further, the fixed box 123 is fixedly connected to the workbench 112 and is located on the inner bottom wall of the workbench 112. The second motor 122 is fixedly connected to the fixed box 123 and is located on the inner bottom wall of the fixed box 123. The bottom plate 124 is fixedly connected to the second motor 122 and is located at the output end of the second motor 122. The output end of the second motor 122 penetrates through the fixed box 123. The mechanical claw disc 125 is fixedly connected to the bottom plate 124 and is located above the bottom plate 124.

[0035] In this embodiment, the mechanical chuck is used to fix the workpiece above the bottom plate 124. The second motor 122 is started to drive the workpiece to rotate according to the set process route, and then cooperate with the slicer 121 to perform the grooving function.

[0036] Further, the electric telescopic rod 127 is fixedly connected to the fixed box 123 and is located on the outer side wall of the fixed box 123. The grinding plate 126 is fixedly connected to the electric telescopic rod 127 and is located at the output end of the electric telescopic rod 127.

[0037] In this embodiment, the electric telescopic rod 127 is started to make it abut against the grinding plate 126 and move upward to abut against the bottom wall of the bottom plate 124, restricting the rotation of the bottom plate 124 and avoiding rotation during the grooving operation, ensuring the efficiency and quality of grooving.

[0038] Further, the moving plate 113 has a sliding hole 133, the sliding hole 133 is slidably matched with the sliding rod 128, the sliding rod 128 is slidably connected to the track bin 117 and is located on one side of the track bin 117. Both limiting rings 129 are fixedly connected to the sliding rod 128 and are respectively located on the outer side wall of the sliding rod 128.

[0039] In this embodiment, the sliding rod 128 is used to assist the moving plate 113 to slide downward, and the limiting ring 129 is used to limit the moving distance of the moving plate 113.

[0040] Further, the two cushion pads 130 are respectively fixedly connected to the corresponding limiting rings 129 and are located on one side of the limiting rings 129.

[0041] In this embodiment, the cushion pad 130 can buffer the pressure when the moving plate 113 contacts the limiting ring 129, reducing the cost of subsequent maintenance.

[0042] The above-disclosed is only a preferred embodiment of the present utility model, and of course, it cannot be used to limit the scope of rights of the present utility model. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present utility model still fall within the scope covered by the utility model.

Claims

1. A differential side gear, characterized in that: It comprises a shaft body, a wheel body, a plurality of external gear teeth and a reinforcement assembly, wherein the shaft body is fixedly connected to the wheel body and is located on one side of the wheel body, the plurality of external gear teeth are fixedly connected to the wheel body and are respectively located on the outer side wall of the wheel body, and the reinforcement assembly is arranged between the shaft body and the wheel body; The reinforcement assembly includes an outer ring, a bottom ring, a buffer pad, a locking bolt, a connecting rib and a sealing ring, the outer ring is slidably connected to the shaft body and is located on the outer side wall of the shaft body, the buffer pad contacts the wheel body and is located on one side of the wheel body, the bottom ring is fixedly connected to the buffer pad and is located on one side of the buffer pad, one end of the connecting rib is fixedly connected to the bottom ring and is located on one side of the bottom ring, the other end of the connecting rib is fixedly connected to the outer ring and is located on the outer side wall of the outer ring, the sealing ring is fixedly connected to the outer ring and is located on the outer side wall of the outer ring, and the sealing ring contacts the shaft body, the bottom ring and the wheel body respectively have threaded holes, and the threaded holes are threadedly matched with the locking bolts.

2. The differential side gear according to claim 1, characterized in that: The reinforcement component also includes an elastic gasket, which is detachably connected to the locking bolt and is located on the outer side wall of the locking bolt, and the elastic gasket is in contact with the bottom ring.

3. A production device for a differential side gear, for preparing the differential side gear as claimed in claim 1, characterized in that: It includes a working frame, a movable plate, a hydraulic cylinder, a fixed seat, a cylinder, a track warehouse, a slide plate, a first motor, a rotating shaft, a slicer, a clamping assembly and a stabilizing assembly. The movable plate is slidably connected to the working frame and is located on the inner side wall of the working frame. The hydraulic cylinder is fixedly connected to the working frame and is located above the working frame. The output end of the hydraulic cylinder is fixedly connected to the movable plate and is located above the movable plate. The output end of the hydraulic cylinder passes through the working frame. The track warehouse is fixedly connected to the movable plate and is located below the movable plate. The slide plate is slidably connected to the track warehouse and is located on the inner side wall of the track warehouse. The first motor is fixedly connected to the slide plate and is located On one side of the skateboard, the skateboard has a circular hole, the circular hole is rotatably matched with the rotating shaft, the rotating shaft is fixedly connected to the first motor and is located at the output end of the first motor, the skateboard has a cutting hole, the cutting hole is rotatably matched with the slice, the slice is fixedly connected to the rotating shaft and is located on the outer side wall of the rotating shaft, the fixed seat is fixedly connected to the movable plate and is located below the movable plate, the cylinder is fixedly connected to the fixed seat and is located below the fixed seat, the output end of the cylinder is fixedly connected to the skateboard and is located on one side of the skateboard, the clamping assembly is arranged on the inner bottom wall of the working frame, and the stabilizing assembly is arranged on the inner side wall of the working frame.

4. The production device for differential side gears according to claim 3, characterized in that: The clamping assembly includes a second motor, a fixed box, a base plate and a mechanical claw plate. The fixed box is fixedly connected to the work frame and is located on the inner bottom wall of the work frame. The second motor is fixedly connected to the fixed box and is located on the inner bottom wall of the fixed box. The base plate is fixedly connected to the second motor and is located at the output end of the second motor. The output end of the second motor passes through the fixed box. The mechanical claw plate is fixedly connected to the base plate and is located above the base plate.

5. The production device for differential side gears according to claim 4, characterized in that: The clamping assembly also includes a grinding plate and an electric telescopic rod, wherein the electric telescopic rod is fixedly connected to the fixing box and is located on the outer side wall of the fixing box, and the grinding plate is fixedly connected to the electric telescopic rod and is located at the output end of the electric telescopic rod.

6. The production device for differential side gears according to claim 3, characterized in that: The stabilizing assembly includes a slide rod and two limiting rings. The movable plate has a slide hole. The slide hole is slidably matched with the slide rod. The slide rod is slidably connected to the track bin and is located on one side of the track bin. The two limiting rings are fixedly connected to the slide rod and are respectively located on the outer side walls of the slide rod.

7. The production device for differential side gears according to claim 6, characterized in that: The stabilizing assembly further comprises two soft pads, which are respectively fixedly connected to the corresponding limiting rings and are located on one side of the limiting rings.

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