Front transmission box body of beach buggy axle
By designing a combined structure of spline sleeve and spline shaft in the ATV axle transmission, combining support components and transmission components, the problem of low stability caused by chain transmission method is solved, and a more stable power transmission is achieved.
Patent Information
- Application Number
- CN202422320793.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-09-24
AI Technical Summary
The existing ATV axle transmission adopts chain transmission, resulting in low stability and seriously affecting the engine working stability.
A front box for the ATV axle transmission is designed, using a combined structure of spline sleeves and spline shafts. Power transmission is achieved through support components and transmission components (such as large bevel gears and small bevel gears) to improve the stability of the transmission structure.
Compared with the traditional chain transmission method, the newly designed transmission structure is more stable, effectively solving the problem of the impact of engine working stability.
Smart Images

Figure CN222950366U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile transmission, in particular to a beach vehicle axle transmission front box. Background Art
[0002] The car engine is the core component of the car. Its main function is to provide power for the car and ensure that the car can run normally. The engine converts a form of energy into mechanical energy to drive various systems and components of the car.
[0003] The existing beach car axle transmission adopts a chain transmission method to realize the connection transmission structure between the engine and the axle, which has the problem of low stability during operation, seriously affecting the working stability of the engine. Utility Model Content
[0004] The utility model aims to provide a beach vehicle axle transmission front box, aiming to solve the problem that the existing transmission structure using chain transmission to connect the engine and the axle is not stable during operation, which seriously affects the working stability of the engine.
[0005] To achieve the above-mentioned purpose, the utility model provides a beach car axle transmission front box body, comprising a first shell and a second shell, wherein the second shell is detachably connected to the first shell and is located on one side of the first shell, and further comprises an auxiliary device;
[0006] The auxiliary device includes a limit cover, a spline sleeve, a spline shaft, a support assembly and a transmission assembly. The limit cover is fixedly connected to the second shell and is located on one side of the second shell. The spline sleeve is rotatably connected to the first shell and the second shell respectively and is located on the side of the first shell close to the second shell. The spline shaft is rotatably connected to the second shell and the limit cover respectively and is located on the side of the second shell close to the limit cover. The support assemblies are respectively arranged on both sides of the spline sleeve and the spline shaft, and the transmission assemblies are respectively arranged on the spline sleeve and the spline shaft.
[0007] Wherein, the support assembly includes a first rolling bearing and a second rolling bearing, the first rolling bearing is detachably connected to the first housing and is sleeved on the front side of the spline sleeve; the second rolling bearing is detachably connected to the limit cover and is sleeved on the outside of the spline shaft.
[0008] Wherein, the support assembly also includes a first roller bearing and a second roller bearing, the first roller bearing is detachably connected to the second housing and is mounted on the side of the spline sleeve away from the first roller bearing; the second roller bearing is detachably connected to the second housing and is mounted on the side of the spline shaft close to the first roller bearing.
[0009] Wherein, the transmission assembly includes a large bevel gear and a small bevel gear, the large bevel gear is detachably connected to the spline sleeve and is sleeved on the spline sleeve; the small bevel gear is integrally formed with the spline shaft, meshes with the large bevel gear, and is located on the spline shaft.
[0010] Wherein, the spline shaft is also provided with a skeleton-type sealing ring, and the skeleton-type sealing ring is detachably connected to the limit cover.
[0011] The utility model discloses a front box body for beach vehicle axle transmission, wherein the second shell body is installed on one side of the first shell body, the limit cover is installed on one side of the second shell body, the spline sleeve is rotatably installed on the first shell body and the second shell body through a supporting assembly, the spline shaft is rotatably installed on the second shell body through the supporting assembly, the transmission assembly is respectively arranged on the spline sleeve and the spline shaft for realizing power transmission, when in use, the fixing ear on the first shell body is matched with the bolt to fix the front box body, the spline sleeve is connected to the output spline power shaft of the engine, the spline shaft is used to connect the output power of the axle, and the transmission assembly is used to realize the rotation of the spline sleeve to drive the rotation of the spline shaft to realize transmission, the transmission structure of the present application will be more stable than the traditional chain transmission method, and thus can solve the problem that the existing transmission structure which adopts the chain transmission method to realize the connection between the engine and the axle is not stable during operation, which seriously affects the working stability of the engine. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.
[0013] Figure 1 It is a schematic diagram of the overall structure of the front box body of the beach vehicle axle transmission of the utility model.
[0014] Figure 2 It is a structural schematic diagram of the second shell of the utility model.
[0015] Figure 3 It is a structural schematic diagram of a spline sleeve of the utility model.
[0016] Figure 4 It is a structural schematic diagram of a spline shaft of the utility model.
[0017] Figure 5 It is a structural schematic diagram of the large bevel gear of the utility model.
[0018] In the figure: 101-first housing, 102-second housing, 103-limiting cover, 104-spline sleeve, 105-spline shaft, 106-first rolling bearing, 107-second rolling bearing, 108-first roller bearing, 109-second roller bearing, 110-large bevel gear, 111-small bevel gear, 112-skeleton sealing ring. DETAILED DESCRIPTION
[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0020] like Figures 1 to 5 As shown, Figure 1 This is a schematic diagram of the overall structure of the front box of the beach car axle transmission. Figure 2 is a schematic structural diagram of the second housing 102, Figure 3 is a schematic diagram of the structure of the spline sleeve 104, Figure 4 is a schematic diagram of the structure of the spline shaft 105, Figure 5 It is a structural schematic diagram of a large bevel gear 110. The utility model provides a front box body for a beach car axle transmission: it includes a first housing 101, a second housing 102 and an auxiliary device, the auxiliary device includes a limit cover 103, a spline sleeve 104, a spline shaft 105, a support assembly and a transmission assembly, the support assembly includes a first rolling bearing 106, a second rolling bearing 107, a first roller bearing 108 and a second roller bearing 109, and the transmission assembly includes a large bevel gear 110 and a small bevel gear 111. The above scheme can solve the problem that the existing transmission structure using a chain transmission method to connect the engine and the axle is not stable during operation, which seriously affects the working stability of the engine. It can be understood that the above scheme can achieve a more stable transmission between the engine and the axle.
[0021] In this embodiment, the second shell 102 is detachably connected to the first shell 101 and is located on one side of the first shell 101. The second shell 102 is connected and assembled to the first shell 101 by bolts, and the fixing ears on the first shell 101 can cooperate with the bolts to achieve fixed installation of the front box body.
[0022] Among them, the limit cover 103 is fixedly connected to the second shell 102 and is located on one side of the second shell 102, the spline sleeve 104 is rotatably connected to the first shell 101 and the second shell 102 respectively, and is located on the side of the first shell 101 close to the second shell 102, the spline shaft 105 is rotatably connected to the second shell 102 and the limit cover 103 respectively, and is located on the side of the second shell 102 close to the limit cover 103, the support components are respectively arranged on both sides of the spline sleeve 104 and the spline shaft 105, and the transmission components are respectively arranged on the spline sleeve 104 and the spline shaft 105. The limit cover 103 is connected and assembled with the second shell 102 by bolts, the spline sleeve 104 is rotatably installed on the first shell 101 and the second shell 102 through the support assembly, the spline sleeve 104 is connected to the output spline power shaft of the engine, the spline shaft 105 is installed on the second shell 102 and the limit cover 103 through the support assembly, the spline shaft 105 is used to connect the axle output power, and the transmission assembly is used to realize the rotation of the spline sleeve 104 to drive the spline shaft 105 to rotate, thereby realizing transmission.
[0023] Secondly, the first rolling bearing 106 is detachably connected to the first housing 101 and is mounted on the front side of the spline sleeve 104; the second rolling bearing 107 is detachably connected to the limit cover 103 and is mounted on the outside of the spline shaft 105. A bearing hole for mounting the first rolling bearing 106 is provided on the first housing 101 to facilitate the installation of the first rolling bearing 106. The first rolling bearing 106 can be mounted on the shaft end on the front side of the spline sleeve 104. A bearing mounting hole is provided on the limit cover 103 to facilitate the installation of the second rolling bearing 107. The second rolling bearing 107 can be mounted on the large shaft end of the spline shaft 105 and is limited by a shaft retaining ring.
[0024] Then, the first roller bearing 108 is detachably connected to the second housing 102 and is mounted on the side of the spline sleeve 104 away from the first rolling bearing 106; the second roller bearing 109 is detachably connected to the second housing 102 and is mounted on the side of the spline shaft 105 close to the first roller bearing 108. A bearing mounting hole is provided on the second housing 102 to facilitate the installation of the first roller bearing 108. The first roller bearing 108 has a plurality of short rolling cylinders inside and can be mounted on the end of the spline sleeve 104 away from the first rolling bearing 106 to achieve stable rotation support of the spline sleeve 104. A bearing mounting hole is provided on the second housing 102 to facilitate the installation of the second roller bearing 109. The second roller bearing 109 has a plurality of short rolling cylinders inside and can be mounted on the end of the spline shaft 105 away from the second rolling bearing 107 to achieve stable rotation support of the spline shaft 105.
[0025] Further, the large bevel gear 110 is detachably connected to the spline sleeve 104 and is mounted on the spline sleeve 104; the small bevel gear 111 is integrally formed with the spline shaft 105, meshes with the large bevel gear 110, and is located on the spline shaft 105. The annular tooth hole in the large bevel gear 110 can be directly mounted on the annular toothed end of the spline sleeve 104, the small bevel gear 111 is integrally formed with the spline shaft 105 to ensure transmission strength, and meshes with the large bevel gear 110. After the limit cover 103 is installed and fixed, the small bevel gear 111 can be stably meshed with the large bevel gear 110. At this time, the large bevel gear 110 is prevented from moving by the stable position of the small bevel gear 111 to ensure stable transmission.
[0026] Finally, the spline shaft 105 is also provided with a skeleton-type sealing ring 112, which is detachably connected to the limit cover 103. The function of the skeleton-type sealing ring 112 is to seal and prevent impurities from entering the box body from the spline shaft 105 and the second rolling bearing 107.
[0027] When using the utility model to solve the problem that the existing transmission structure that uses chain transmission to connect the engine and the axle is not stable during operation, which seriously affects the working stability of the engine, when in use, the fixing ears on the first shell 101 are fixed to the front box body by cooperating with bolts. After installation, the spline sleeve 104 and the output spline power shaft of the engine can be connected to each other. The spline shaft 105 is used to connect the axle output power. The transmission assembly is used to realize the rotation of the spline sleeve 104 to drive the spline shaft 105 to rotate to realize transmission. When working, the automobile engine drives The spline power shaft rotates, thereby driving the spline sleeve 104 to rotate. The rotation of the spline sleeve 104 will drive the large bevel gear 110 to rotate. The rotation of the large bevel gear 110 will drive the small bevel gear 111 to rotate. The rotation of the small bevel gear 111 will drive the spline shaft 105 to rotate, thereby outputting power to drive the axle to rotate. The transmission structure of the present application will be more stable than the traditional chain transmission method, and can solve the problem that the existing transmission structure that uses a chain transmission method to connect the engine and the axle is not stable during operation, which seriously affects the working stability of the engine.
[0028] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.
Claims
1. A beach car axle transmission front box, comprising a first shell and a second shell, wherein the second shell is detachably connected to the first shell and is located on one side of the first shell, characterized in that: Also includes auxiliary devices; The auxiliary device includes a limit cover, a spline sleeve, a spline shaft, a support assembly and a transmission assembly. The limit cover is fixedly connected to the second shell and is located on one side of the second shell. The spline sleeve is rotatably connected to the first shell and the second shell respectively and is located on the side of the first shell close to the second shell. The spline shaft is rotatably connected to the second shell and the limit cover respectively and is located on the side of the second shell close to the limit cover. The support assemblies are respectively arranged on both sides of the spline sleeve and the spline shaft, and the transmission assemblies are respectively arranged on the spline sleeve and the spline shaft.
2. The beach vehicle axle transmission front box as claimed in claim 1, characterized in that: The support assembly includes a first rolling bearing and a second rolling bearing. The first rolling bearing is detachably connected to the first housing and is sleeved on the front side of the spline sleeve; the second rolling bearing is detachably connected to the limit cover and is sleeved on the outer side of the spline shaft.
3. The beach vehicle axle transmission front box as claimed in claim 2, characterized in that: The support assembly also includes a first roller bearing and a second roller bearing. The first roller bearing is detachably connected to the second housing and is mounted on the side of the spline sleeve away from the first roller bearing; the second roller bearing is detachably connected to the second housing and is mounted on the side of the spline shaft close to the first roller bearing.
4. The beach vehicle axle transmission front box as claimed in claim 1, characterized in that: The transmission assembly includes a large bevel gear and a small bevel gear. The large bevel gear is detachably connected to the spline sleeve and is sleeved on the spline sleeve. The small bevel gear is integrally formed with the spline shaft, meshes with the large bevel gear, and is located on the spline shaft.
5. The beach vehicle axle transmission front box as claimed in claim 1, characterized in that: The spline shaft is also sleeved with a skeleton-type sealing ring, which is detachably connected to the limit cover.