Structure-reinforced gearbox shell and toy launcher

Abstract

The utility model discloses a gearbox shell with a strengthened structure, which comprises a first shell and a second shell which are mutually buckled in the radial direction, and the first shell and the second shell jointly limit a containing cavity for containing a piston, a gear and a gearbox; the first shell and the second shell respectively comprise a first part and a second part which are connected with each other in the axial direction, and a third part which is positioned below the first part and the second part and is respectively connected with the first part and the second part, and the axial direction is vertical to the radial direction; the first part is provided with a transmitting end deviating from the second part, a transmitting hole axially penetrating through the gearbox shell is limited in the transmitting end, the gearbox shell further comprises a plurality of reinforcing ribs extending in the axial direction, the reinforcing ribs are attached to the upper circumferential face and the lower circumferential face of the transmitting end, and the reinforcing ribs and the transmitting end are integrally formed. The utility model further discloses a toy launcher comprising the gearbox shell with the reinforced structure.

Description

Technical Field

[0001] This utility model relates to the field of shooting toy technology, specifically to a structurally reinforced gearbox housing and a toy launcher. Background Technology

[0002] Toy guns are a popular toy in the industry. The gearbox is a core transmission component of a toy gun. The gearbox not only houses and supports the mechanical components that circulate and fire within the toy gun, but it also needs to withstand the increased mechanical stress from the high-intensity use of upgraded springs, high-speed motors, and pneumatic systems. Therefore, the gearbox housing must possess extremely high mechanical strength. Existing toy gun gearbox housings are typically made of ordinary aluminum alloy, zinc alloy, or engineering plastics, which have limited mechanical strength and are prone to cracking or deformation under high-load conditions. Furthermore, existing housing designs are usually optimized only for a single model, lacking adaptability to different systems (such as pneumatic / electric hybrid structures) or upgraded components, resulting in poor versatility. Utility Model Content

[0003] In view of this, the present invention provides a structurally reinforced gearbox housing and a toy launcher, which aims to solve or at least improve the above-mentioned problems to a certain extent.

[0004] To solve the above problems, this utility model adopts the following technical solution: a structurally reinforced gearbox housing, comprising: the housing includes a first housing and a second housing that are radially interlocked, the first housing and the second housing jointly defining a receiving cavity for accommodating a piston, gear and gearbox; the first housing and the second housing each include a first part and a second part that are interconnected in the axial direction, and a third part located below the first part and the second part and respectively connected to them, the axial direction being perpendicular to the radial direction; the second part has a cylindrical launching end that is opposite to the first part, the launching end defining a launching hole that axially penetrates the housing, the housing also includes a reinforcing rib extending in the axial direction, the reinforcing rib being connected to the upper and lower circumferential surfaces of the launching end, and the reinforcing rib being integrally formed with the launching end.

[0005] In some embodiments, the first housing is provided with an AOE inspection window that extends radially through the first housing for observing and adjusting the contact between the gear and the piston.

[0006] In some embodiments, the second housing is provided with at least one preload inspection window that radially penetrates the second housing for monitoring the gearbox cycle and piston operation.

[0007] In some embodiments, the AOE inspection window is located at the junction of the second and third portions and extends axially.

[0008] In some embodiments, the at least one pre-tightening inspection window is located at the junction of the second and third portions and is arranged sequentially along the axial direction.

[0009] In some embodiments, the third part is provided with alignment bolt holes for aligning the gearbox, and the alignment bolt holes are located at the reinforcing ribs of the third part.

[0010] In some embodiments, the bottom of the third part is provided with an adjustment bolt hole defined by the first housing and the second housing for installing a trigger preload adjustment screw.

[0011] In some embodiments, the thickness of the reinforcing rib gradually decreases from the first portion to the second portion.

[0012] In some embodiments, the thickness of the third portion gradually decreases from the first portion toward the second portion.

[0013] In some embodiments, the first portion has a rectangular channel that radially penetrates the gearbox housing, and the edges of the rectangular channel that intersect each other are chamfered at 135°.

[0014] On the other hand, this application also provides a toy launcher with a gearbox housing reinforced by the above-mentioned structure.

[0015] Compared with existing technologies, this application provides an integrally formed reinforcing rib on the outer peripheral surface of the launching end of the gearbox housing, and integrates the reinforcing rib directly into the gearbox housing during the casting process. This effectively improves the mechanical strength of the launching end of the gearbox housing, ensures the stability and reliability of the toy launcher during use, and extends its service life. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort. (The drawings are shown as follows:)

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a structurally reinforced gearbox housing according to an embodiment of this application.

[0018] Figure 2 for Figure 1 Another three-dimensional structural diagram of the gearbox housing.

[0019] Figure 3 for Figure 1A three-dimensional structural diagram of the first housing of the gearbox housing.

[0020] Figure 4 for Figure 1 A three-dimensional structural diagram of the second housing of the gearbox housing.

[0021] Figure 5 for Figure 1 Front view of the gearbox housing.

[0022] Figure 6 Show Figure 5 The gearbox housing is shown in cross-sectional views along lines AA and BB, respectively.

[0023] Reference numerals: 100, gearbox housing; 10, first part; 11, transmitter; 12, alignment bolt hole; 13, rectangular channel; 40, rib; 50, reinforcing rib; 20, second part; 30, third part; 31, adjustment bolt hole; 110, first housing; 111, AOE inspection window; 120, second housing; 121, pre-tightening inspection window. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0026] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0027] This utility model discloses a toy launcher (not shown), such as Figures 1 to 4As shown, it includes a structurally reinforced gearbox housing 100. The housing consists of three parts: a first part 10, a second part 20, and a third part 30. The second part 20 is axially connected to the first part 10. The third part 30 is located below the second part 20 and the first part 10, and is connected to both the second part 20 and the first part 10. In this application, the axial direction specifically refers to the direction in which the projectile is launched. As shown, this axial direction corresponds to the left-right orientation.

[0028] The first part 10, facing away from the second part 20, is the launching end 11, and it has a launching hole that extends axially through the entire housing. In addition, the housing 100 is equipped with several reinforcing ribs 50 extending axially. These reinforcing ribs 50 are connected to the upper and lower circumferential surfaces of the launching end 11 and are manufactured using an integral molding process. During the operation of the toy launcher, the launching end 11 of the gearbox housing 100 is the part most significantly affected by the pneumatic system operation. By providing integrally molded reinforcing ribs 50 on the outer circumferential surface of the launching end 11, the mechanical strength of the launching end 11 can be effectively improved, thereby ensuring the stability and reliability of the toy launcher during use and extending its service life.

[0029] Specifically, both the transmitting end 11 and the second part 20 are hollow cylinders. The diameter of the second part 20 is slightly larger than that of the transmitting end 11, and they are arranged concentrically. The upper circumferential surface of the transmitting end 11 and the upper circumferential surface of the second part 20 are connected by axially extending ribs 40. The lower circumferential surface of the transmitting end 11 and the lower circumferential surface of the second part 20 are connected by a third part 30. A portion of the reinforcing ribs 50 are located on the ribs 40, and another portion of the reinforcing ribs 50 are located on the third part 30. This forms a reinforcing structure on both the upper and lower circumferential surfaces of the transmitting end 11, comprehensively enhancing its mechanical strength. In this embodiment, there are four reinforcing ribs 50. Two reinforcing ribs 50 are respectively attached to the radial sides of the ribs 40, with the radial direction perpendicular to the axial direction. As shown in the figure, this radial direction corresponds to the front-rear orientation. The other two reinforcing ribs 50 are respectively attached to the third part 30 of the first housing and the third part 30 of the second housing. During the casting process, the reinforcing rib 50 is directly integrated into the rib 40 and the third part 30 to effectively improve the mechanical strength of the launch end of the gearbox housing.

[0030] The third part 30 is dimensionally increased in the direction along the second part 20, thereby forming a trigger portion in the third part 30.

[0031] like Figure 5 and 6As shown, preferably, the thickness of the reinforcing rib 50 gradually decreases from the first portion 10 to the second portion 20. In this embodiment, the thickness of the reinforcing rib 50 is between 3-5 nm. This design ensures both the high strength requirements of the transmitter 11 and achieves a lightweight structure. More preferably, the thickness of the third portion 30 gradually decreases from the first portion 20 to the second portion 10. This gradient design avoids the stress abruptness problem of traditional constant thickness designs and effectively extends the fatigue life of the shell. The shell thickness of the third portion 30 is between 1-3 nm.

[0032] like Figure 2-5 As shown, the housing 100 also includes a first housing 110 and a second housing 120 that are radially interlocked. Both the first housing 110 and the second housing 120 include a first portion 10, a second portion 20, and a third portion 30. The first housing 110 and the second housing 120 are symmetrically designed, ensuring precise alignment between the corresponding portions of the first housing 110 and the second housing 120. Specifically, the first portion 10 of the first housing 110 is radially opposite to the first portion 10 of the second housing 120, the second portion 20 of the first housing 110 is radially opposite to the second portion 20 of the second housing 120, and the third portion 30 of the first housing 110 is radially opposite to the third portion 30 of the second housing 120. When interlocked, the first housing 110 and the second housing 120 together define a receiving cavity for accommodating key components such as pistons, gears, and gearboxes.

[0033] The gearbox housing 100 of this utility model also adopts a functional integration design, incorporating multiple practical functional features. Specifically, the first housing 110 has an AOE inspection window 111 radially penetrating through it. This AOE inspection window 111 is preferably located in the transition area between the second part 20 and the third part 30, extending axially to facilitate real-time observation and precise adjustment of the meshing contact state between the gear and the piston. Correspondingly, the second housing 120 also has at least one pre-tension inspection window 121 radially penetrating through it, which can effectively monitor the gearbox working cycle and piston operation. The at least one pre-tension inspection window 121 is arranged sequentially along the axial direction at the connection between the second and third parts. In this embodiment, there are three pre-tension inspection windows 121.

[0034] Regarding structural adaptability, the third part 30 of the housing 100 is provided with precision alignment bolt holes 12 near the first part 10. By introducing external screws, fine-tuning of the gearbox mounting holes can be achieved to ensure the gearbox is in optimal working condition. Preferably, the alignment bolt holes 12 are located at the reinforcing ribs 40 of the third part 30, and the reinforcing ribs 40 have notches, exposing the alignment bolt holes 12 to the third part 30. Simultaneously, the bottom of the third part 30 forms adjustment bolt holes 31 jointly defined by the first and second housings, used to install trigger preload adjustment screws to achieve precise adjustment of the launching toy.

[0035] In addition, the first part 10 is provided with a rectangular channel 13 that runs through the housing 100, with a 135° chamfer transition to optimize stress distribution and further ensure structural strength.

[0036] The structurally reinforced gearbox housing in this embodiment, through the integration of a visual inspection window, mechanical reinforcement mechanism, and stress optimization structure, not only significantly improves the reliability and service life of the product, but also provides convenient maintenance and adjustment functions and performance upgrade space, significantly enhancing the practical value and adaptability of the product.

[0037] The above embodiments are merely illustrative of the technical solutions of this utility model. Those skilled in the art can make equivalent modifications within the scope of the claims, all of which fall within the protection scope of this utility model.

Claims

1. A structurally reinforced gear case, characterized in that, the gear case comprises a first case and a second case which are radially interlocked, the first case and the second case jointly defining a receiving cavity for receiving a piston, a gear and a gearbox; the first case and the second case each comprise a first portion and a second portion which are connected to each other, and a third portion which is located below and connected to the first portion and the second portion respectively, the axial direction being perpendicular to the radial direction; the first portion has a launch end which faces away from the second portion, the launch end defining a launch hole which extends axially through the gear case, the gear case further comprising a plurality of reinforcing ribs which extend in the axial direction, the reinforcing ribs being attached to the upper and lower circumferential surfaces of the launch end, and the reinforcing ribs being integrally formed with the launch end; 2. The gear case housing of claim 1, wherein, the first case is provided with an AOE inspection window which extends radially through the gear case, for observing and adjusting the contact between the gear and the piston.

3. The gear case housing of claim 1, wherein, the second case is provided with at least one pre-tightening inspection window which extends radially through the gear case, for monitoring the operation of the gearbox cycle and the piston.

4. The gear case housing of claim 2, wherein, the AOE inspection window is located at the connection between the second portion and the third portion, and extends in the axial direction.

5. The gear case housing of claim 3, wherein, the at least one pre-tightening inspection window is located at the connection between the second portion and the third portion, and is arranged in sequence in the axial direction.

6. The gear case housing of claim 1, wherein, the third portion is provided with an alignment bolt hole for aligning the gearbox, and the alignment bolt hole is located at the reinforcing rib.

7. The gear case housing of claim 1, wherein, the bottom of the third portion is provided with an adjustment bolt hole which is jointly defined by the first case and the second case, for mounting a trigger pre-tightening screw.

8. The gear case housing of claim 1, wherein, the thickness of the reinforcing rib gradually decreases from the first portion to the second portion, and / or the thickness of the third portion gradually decreases from the first portion to the second portion.

9. The gear case housing of claim 1, wherein, the first portion is provided with a rectangular passage which extends radially through the gear case, and the edges of the rectangular passage which intersect with each other are transitioned with a 135° chamfer.

10. A toy launcher characterized by, a gear case according to any one of claims 1-9.

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