Gear box shell and quick-release gear box

Abstract

The utility model discloses a gearbox shell and a quick-release gearbox. The gearbox shell comprises a box body, a bottom cover plate and a sealing cover, the bottom cover plate is detachably connected with the bottom of the box body, the lower part of the box body is provided with a quick-release slide way, a bottom slide block in sliding connection with the quick-release slide way is arranged in the quick-release slide way, and the bottom slide block is detachably connected with the bottom cover plate; a gear quick-release opening is formed in the upper part of the box body, and a quick-release sliding block detachably connected with the box body is arranged on the outer side of the gear quick-release opening; the sealing cover is detachably connected with the top of the box body. The quick-release gearbox comprises a gearbox shell, a differential mechanism and a transmission gear set. The transmission gear set is arranged on the upper portion of the gearbox body and is in meshing transmission with a gear on the differential mechanism. According to the detachable gear box, the gear box shell is designed to be of a detachable structure, the specific sliding blocks are additionally arranged at key positions to be matched, so that all gears in the box body can be detached, the problems that the gears in the gear box are not easy to detach and troublesome to maintain can be greatly solved, and meanwhile the sealing performance of the gear box can be reserved.

Description

Technical Field

[0001] The utility model relates to the technical field of gearboxes, in particular to a gearbox shell and a quick-release gearbox. Background Art

[0002] There are two main types of central transfer structures for model cars, open bracket and gearbox structure. The gearbox structure has the advantages of high strength and good sealing, but there is a common problem that the gears are difficult to disassemble, and usually the entire gearbox needs to be dismantled, which makes the gearbox structure have great limitations.

[0003] Therefore, a gearbox housing and a quick-release gearbox have become problems that need to be solved urgently. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a gearbox housing that is easy to disassemble and a quick-release gearbox using the housing, so as to improve the problem that gears in the gearbox of a model car are difficult to disassemble and maintain.

[0005] In order to solve the above technical problems, the utility model provides a technical solution: a gearbox housing, comprising a box body, a bottom cover plate and a sealing cover; the bottom cover plate is detachably connected to the bottom of the box body, a quick-release slide is provided at the lower part of the box body, a bottom slider slidably connected to the quick-release slide is provided in the quick-release slide, and the bottom slider is detachably connected to the bottom cover plate;

[0006] The upper part of the box body is provided with a gear quick-release opening, and the outer side of the gear quick-release opening is provided with a quick-release slider which is detachably connected to the box body;

[0007] The sealing cover is detachably connected to the top of the box body.

[0008] Furthermore, a slide groove is provided in the quick-release slideway, and the side edge of the bottom slider is slidably connected to the slide groove.

[0009] Furthermore, a motor mounting plate detachably connected to the side of the box is provided.

[0010] The utility model also provides a quick-release gearbox, including a gearbox housing, a differential, and a transmission gear set; the differential is arranged at the lower part of the gearbox housing, and the transmission gear set is arranged at the upper part of the housing and meshes with the gears on the differential for transmission.

[0011] Furthermore, the transmission gear set includes a motor gear, a secondary large gear, and a secondary small gear. The motor gear is connected to an external motor, the secondary large gear is meshed with the motor gear for transmission, and the secondary small gear is coaxially driven with the secondary large gear and meshed with the gear on the differential for transmission.

[0012] The advantages of the present invention over the prior art are that the present invention designs the gearbox housing into a detachable structure, and adds specific sliders at key positions to cooperate with the installation logic, so that the gears in the housing can be removed, which can greatly improve the problem that the gears in the gearbox are difficult to remove and the maintenance is troublesome, while also retaining the sealing performance of the gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the gearbox housing.

[0014] Figure 2 This is an exploded view of the gearbox housing.

[0015] Figure 3 This is a schematic diagram of the structure of the quick-release gearbox Figure 1 .

[0016] Figure 4 This is a schematic diagram of the structure of the quick-release gearbox Figure 2 .

[0017] Figure 5 It is a structural diagram of the transmission gear set.

[0018] As shown in the figure: 1. Box body, 2. Bottom cover, 3. Sealing cover, 4. Quick release slide, 5. Bottom slider, 6. Gear quick release port, 7. Quick release slider, 8. Slide groove, 9. Motor mounting plate, 10. Differential, 11. Transmission gear set, 12. Motor gear, 13. Secondary large gear, 14. Secondary small gear. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inside", "outside", "vertical", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The following is a further detailed description of a gearbox housing and a quick-release gearbox of the present invention in conjunction with the accompanying drawings.

[0022] Combined with Figure 1-5 The specific implementation process of the utility model of a gearbox housing and a quick-release gearbox is as follows:

[0023] A gearbox housing comprises a box body 1, a bottom cover plate 2 and a sealing cover 3; the bottom cover plate 2 is detachably connected to the bottom of the box body 1, a quick-release slide 4 is provided at the lower part of the box body 1, a bottom slider 5 slidably connected thereto is provided inside the quick-release slide 4, and the bottom slider 5 is detachably connected to the bottom cover plate 2; through the cooperation between the quick-release slide 4 and the bottom slider 5, the lower part of the box body 1 becomes a detachable structure, the bottom cover plate 2 can also be removed, and the internal structure of the box body 1 can be taken out therefrom.

[0024] The upper part of the box body 1 is provided with a gear quick-release opening 6, and the outer side of the gear quick-release opening 6 is provided with a quick-release slider 7 which is detachably connected to the box body 1. The gear inside the box body 1 can be removed through the gear quick-release opening 6 and closed by the quick-release slider 7 to ensure the quick-release structure and sealing performance.

[0025] The sealing cover 3 is detachably connected to the top of the box body 1 , and the sealing cover 3 at the top is detachable so that the internal components of the box body 1 can be taken out from the top.

[0026] In one embodiment of the present application, a slide groove 8 is provided in the quick-release slide 4, and the side of the bottom slider 5 is slidably connected to the slide groove 8. The sliding connection method not only ensures the sealing performance, but also enables the bottom slider 5 to be quickly removed, thereby improving the installation and disassembly speed.

[0027] In one embodiment of the present application, a motor mounting plate 9 detachably connected to the side of the box body 1 is provided, and an external drive motor can be installed through the motor mounting plate 9 to facilitate the operation of the gearbox.

[0028] A quick-release gearbox adopts the above-mentioned gearbox housing, and also includes a differential 10 and a transmission gear set 11; the differential 10 is arranged at the lower part of the gearbox housing, and the transmission gear set 11 is arranged at the upper part of the case 1 and meshes with the gears on the differential 10 for transmission.

[0029] Preferably, the transmission gear set 11 includes a motor gear 12, a secondary large gear 13, and a secondary small gear 14. The motor gear 12 is connected to an external motor, the secondary large gear 13 is meshed with the motor gear 12 for transmission, and the secondary small gear 14 is coaxially driven with the secondary large gear 13 and meshed with the gear on the differential 10 for transmission.

[0030] Preferably, the gear quick-release opening 6 is arranged at one side of the secondary pinion 14 , and the gear quick-release opening 6 is arranged there to facilitate taking out the secondary pinion 14 .

[0031] Preferably, the joints on both sides of the differential 10 extend to the outside of the case 1 to connect to external devices, and the joints are located above the bottom slider 5. The joints are in this position so that after removing the bottom cover 2 and the bottom slider 5, the differential 10 can be taken out from the bottom of the gearbox housing.

[0032] Preferably, the motor mounting plate 9 is located on one side of the motor gear 12. The motor mounting plate 9 can be used to conveniently install the motor and, after removing the motor mounting plate 9, to conveniently remove the motor gear 12. After opening the sealing cover 3, the motor gear 12 and the secondary large gear 13 can also be removed from the top.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A gearbox housing, characterized in that: It comprises a box body (1), a bottom cover plate (2) and a sealing cover (3); The bottom cover plate (2) is detachably connected to the bottom of the box body (1); a quick-release slideway (4) is provided at the bottom of the box body (1); a bottom slider (5) slidably connected thereto is provided inside the quick-release slideway (4); and the bottom slider (5) is detachably connected to the bottom cover plate (2); The upper part of the box body (1) is provided with a gear quick-release opening (6), and the outer side of the gear quick-release opening (6) is provided with a quick-release sliding block (7) which is detachably connected to the box body (1); The sealing cover (3) is detachably connected to the top of the box body (1).

2. A gearbox housing according to claim 1, characterized in that: A slide groove (8) is provided in the quick-release slideway (4), and the side edge of the bottom slider (5) is slidably connected to the slide groove (8).

3. A gearbox housing according to claim 2, characterized in that: A motor mounting plate (9) which is detachably connected to the box body (1) is provided on the side thereof.

4. A quick-release gearbox, characterized in that: It comprises a gearbox housing as claimed in any one of claims 1 to 3, as well as a differential (10) and a transmission gear set (11); the differential (10) is arranged at the lower part of the gearbox housing, and the transmission gear set (11) is arranged at the upper part of the housing (1) and meshes with the gears on the differential (10) for transmission.

5. A quick-release gearbox according to claim 4, characterized in that: The transmission gear set (11) comprises a motor gear (12), a secondary large gear (13), and a secondary small gear (14); the motor gear (12) is connected to an external motor; the secondary large gear (13) is meshed with the motor gear (12) for transmission; and the secondary small gear (14) is coaxially driven with the secondary large gear (13) and meshed with a gear on a differential (10) for transmission.

6. A quick-release gearbox according to claim 5, characterized in that: The gear quick-release opening (6) is arranged on one side of the secondary pinion (14).

7. A quick-release gearbox according to claim 6, characterized in that: The joints on both sides of the differential (10) extend to the outside of the box (1) to connect to external devices, and the joints are located above the bottom slider (5).

8. The quick-release gearbox according to claim 7, characterized in that: The motor mounting plate (9) is located on one side of the motor gear (12).

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