Automobile accelerator pedal and shell cover structure thereof

Abstract

The utility model discloses an automobile accelerator pedal and a shell cover structure thereof, the shell cover structure comprises a shell cover and an outer cover, the outer cover is in interference fit with the shell cover, the shell cover is provided with an annular cavity and an inner wall, the annular cavity and the inner wall are arranged at an interval, a ring groove is formed between the inner wall and the annular cavity, the outer cover covers the annular cavity of the shell cover, and the outer cover covers the shell cover. The outer cover is provided with a waterproof piece corresponding to the annular groove. According to the utility model, the structural design of the shell cover and the outer cover is optimized, the shell cover is provided with the annular groove, the outer cover is provided with the waterproof part, and the waterproof and dustproof effects are formed between the shell cover 1 and the outer cover through the cooperation of the waterproof part and the annular groove, so that the number of parts is reduced, the assembly steps are reduced, and the purpose of reducing the product cost is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to an automobile accelerator pedal and a shell cover structure thereof. BACKGROUND

[0002] The common electronic accelerator pedal on the market detects the pedal through a sensor and controls the vehicle speed by using an electronic signal. The electronic accelerator pedal generally comprises a pedal arm, a shell, a rotor, a spring, a spring base, an electric brush and a PCB. The pedal arm is installed on the shell. The rotor, the spring, the spring base and the electric brush are installed in the shell. The electric brush is installed on the rotor. The lower arc structure of the pedal arm is in contact with the arc structure of the rotor at all times. The shell is covered with a shell cover. The shell cover is further covered with an outer cover. The PCB is installed between the shell cover and the outer cover.

[0003] The existing dustproof and waterproof structure of the accelerator pedal mainly seals the shell and the shell cover by setting a sealing ring between the outer cover and the shell cover, laser welding the outer cover and the shell cover or ultrasonic welding. These methods have the defects of high cost, complex process and high price. In addition, the fixing design of the existing PCB generally adopts bolt fixing or hot melt fixing, which requires an additional assembly process, is time-consuming and high in cost.

[0004] Therefore, the utility model is developed through in-depth thinking and active research and improvement based on the many defects and inconvenience caused by the imperfect waterproof and dustproof structure of the existing accelerator pedal and the fixing method of the PCB. SUMMARY

[0005] The utility model aims at overcoming the defects of complex assembly and high cost of the dustproof and waterproof structure of the existing accelerator pedal and providing a shell cover structure of an automobile accelerator pedal.

[0006] In order to achieve the above purpose, the solution of the utility model is as follows:

[0007] A shell cover structure of an automobile accelerator pedal comprises a shell cover and an outer cover. The outer cover is in interference fit with the shell cover. The shell cover is provided with an annular cavity and an inner wall arranged at intervals with the annular cavity, so that an annular groove is formed between the inner wall and the annular cavity. The outer cover is covered on the annular cavity of the shell cover. The outer cover is provided with a waterproof part corresponding to the annular groove.

[0008] Further, the waterproof part is a water baffle arranged downward from the inner top surface of the outer cover. The water baffle is inserted into the annular groove of the shell cover. After the shell cover and the outer cover are assembled, the annular cavity, the water baffle and the inner wall form multiple bending and multiple contact surfaces.

[0009] Further, the outer periphery of the outer cover is provided with an outer wall corresponding to the annular cavity, and the outer wall is spaced apart from the water baffle, and the annular cavity is arranged between the outer wall and the water baffle.

[0010] Further, at least two retaining walls are further arranged in the annular cavity of the shell cover at equal intervals, and the outer cover is provided with at least two limiting seats corresponding to the retaining walls.

[0011] Further, each limiting seat is provided with a mounting inclined surface at the lower part of one end of the retaining wall, the top surface of the limiting seat is provided with an anti-falling flat surface, the retaining wall is provided with an anti-falling seat corresponding to the anti-falling flat surface, and the anti-falling seat has a gap between the annular cavity for inserting the limiting seat of the outer cover.

[0012] Further, the PCB is mounted in the inner wall of the shell cover, and the inner wall of the shell cover is provided with an elastic mounting seat, and the PCB is mounted between the elastic mounting seat and the inner top surface of the outer cover.

[0013] Further, the elastic mounting seat is in any one of an arched structure, a spring seat or a plurality of rib combinations.

[0014] Further, the waterproof element of the outer cover is at least one waterproof rib arranged on the outer periphery of the outer cover, the outer periphery of the outer cover is provided with a mounting column extending downward from the top surface, the waterproof rib is annularly arranged on the outer periphery of the mounting column, the mounting column is mounted on the outer side of the inner wall in the annular groove, and the waterproof rib is in interference fit between the annular groove on the inner side of the shell cover and the mounting column.

[0015] Another purpose of the utility model is to overcome the deficiencies of complex assembly and high cost of the accelerator pedal dustproof and waterproof structure in the prior art, and provide an automobile accelerator pedal.

[0016] In order to achieve the above purpose, the solution of the utility model is as follows:

[0017] An automobile accelerator pedal comprises a pedal arm, a shell, a rotor, a spring, a spring base, a brush, a PCB and a shell cover structure, the pedal arm is mounted on the shell, the rotor, the spring, the spring base and the brush are mounted in the shell, the brush is mounted on the rotor, the pedal arm has a lower arc in contact with the arc of the rotor, the shell cover structure is combined with a shell cover on the shell, an outer cover is further combined with the shell cover, and the PCB is mounted between the shell cover and the outer cover.

[0018] After the above structure is adopted, the utility model optimizes the structural design of the shell cover and the outer cover, sets an annular groove on the shell cover, sets a waterproof element on the outer cover, and forms a waterproof and dustproof effect between the shell cover 1 and the outer cover through the cooperation of the waterproof element and the annular groove, so that the number of parts is reduced, the assembly steps are reduced, and the purpose of reducing the product cost is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The shell cover structure of the accelerator pedal is exploded and shown in the figure.

[0020] Figure 2 The shell cover structure of the accelerator pedal is combined and shown in the figure.

[0021] Figure 3 The shell cover structure of the accelerator pedal is shown in the figure.

[0022] Figure 4 The shell cover structure of the accelerator pedal is shown in the figure.

[0023] Figure 5 The shell cover structure of the accelerator pedal is exploded and shown in the figure.

[0024] Figure 6 The shell cover structure of the accelerator pedal is exploded and shown in the figure. Figure 5 The accelerator pedal is partially exploded and shown in the figure.

[0025] Label explanation:

[0026] 10, shell cover structure; 1, shell cover; 11, annular cavity; 12, inner wall; 13, ring groove; 14, retaining wall; 141, anti-falling seat; 2, outer cover; 21, water baffle; 22, outer wall; 23, limiting seat; 231, installation inclined surface; 232, anti-falling flat surface; 24, waterproof rib; 25, mounting column; 3, elastic mounting seat; 20, pedal arm; 30, shell; 40, rotor; 50, spring; 60, spring base; 70, brush; 80, PCB. DETAILED DESCRIPTION

[0027] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.

[0028] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0029] As Figures 1 to 4As shown, the utility model discloses a kind of shell cover structure 10 of automobile accelerator pedal, it includes shell cover 1 and outer cover 2, outer cover 2 and shell cover 1 interference fit together, annular cavity 11 and inner wall 12 being set apart with annular cavity 11 are equipped on shell cover 1, so that annular groove 13 is formed between inner wall 12 and annular cavity 11, the outer cover 2 is covered on the annular cavity 11 of shell cover 1, outer cover 2 is equipped with waterproof piece corresponding annular groove 13, and waterproof and dustproof effect is formed between shell cover 1 and outer cover 2 by waterproof piece.The utility model passes through the structural design of optimization shell cover 1 and outer cover 2, to reduce the quantity of parts, reduce assembly step, reach the purpose of reducing product cost.

[0030] As Figures 1 to 5 As shown in the embodiment, the waterproof piece is water baffle 21 arranged by the inner top surface of outer cover 2 downwards, water baffle 21 is inserted into the annular groove 13 of shell cover 1, so that shell cover 1 and outer cover 2 are assembled, annular cavity 11, water baffle 21 and inner wall 12 constitute multiple bends and multiple contact surfaces, form similar labyrinth structure, to realize waterproof and dustproof effect.

[0031] Preferably, the outer wall 22 of the outer cover 2 has an outer wall 22 corresponding to the annular cavity 11, and the outer wall 22 is arranged between the outer wall 22 and the water baffle 21. The annular cavity 11 is arranged between the outer wall 22 and the water baffle 21. The arrangement of the outer wall 22 can further increase the waterproof and dustproof effect of the shell cover 1 and the outer cover 2, and can make the shell cover 1 and the outer cover 2 more firmly connected.

[0032] In order to further improve the connection strength of the shell cover 1 and the outer cover 2, the annular cavity 11 of the shell cover 1 is further provided with at least two barriers 14 arranged at equal intervals, and the outer cover 2 is provided with at least two limiting seats 23 corresponding to the barriers 14. Each limiting seat 23 is provided with an installation inclined surface 231 at the lower part of one end facing the barrier 14. The top surface of the limiting seat 23 has a anti-disengagement flat surface 232. The barrier 14 has a anti-disengagement seat 141 corresponding to the anti-disengagement flat surface 232. The anti-disengagement seat 141 and the annular cavity 11 have a gap for the limiting seat 23 of the outer cover 2 to insert.

[0033] The inner wall 12 of the shell cover 1 is provided with a PCB. In order to fix the PCB between the shell cover 1 and the outer cover 2, the inner wall 12 of the shell cover 1 is further provided with a elastic mounting seat 3 in this embodiment, and the PCB is mounted between the elastic mounting seat 3 and the inner top surface of the outer cover 2. Through the elastic deformation of the elastic mounting seat 3, the PCB is interference fitted between the top surface of the elastic mounting seat 3 of the shell cover 1 and the inner top surface of the outer cover 2.

[0034] The elastic mounting seat 3 shown in the figure is an arch structure, and can also be a spring seat or a combination of multiple rib bars, etc. By designing an elastic structure similar to an arch structure on the shell cover 1, the arch structure can be deformed to provide a reverse pressure to press the PCB, thereby achieving fixation of the PCB.

[0035] As Figure 5 For the shell cover structure of the accelerator pedal of the utility model, in the embodiment, the waterproof part of the outer cover 2 is at least one waterproof rib 24 arranged on the outer periphery of the outer cover 2, the outer periphery of the outer cover 2 has a mounting column 25 extending downward, the waterproof rib 24 is arranged around the outer periphery of the mounting column 25, the mounting column 25 is arranged in the annular groove 13 and located outside the inner wall 12, the waterproof rib 24 is in interference fit between the annular groove 13 on the inner side of the annular cavity 11 of the shell cover 1 and the mounting column 25, and the waterproof and dustproof effect is achieved through the interference fit between the waterproof rib 24 and the annular groove 13 of the shell cover 1.

[0036] The utility model also discloses an accelerator pedal of an automobile comprising the shell cover structure, which comprises a pedal arm 20, a shell 30, a rotor 40, a spring 50, a spring base 60, a brush 70, a PCB 80 and the shell cover structure 10, the shell cover structure 10 is installed on the shell 30, the pedal arm 20 is installed on the shell 30, the rotor 40, the spring 50, the spring base 60 and the brush 70 are installed in the shell 30, the brush 70 is installed on the rotor 40, the pedal arm 20 has a lower arc in contact with the arc of the rotor 40 at any time, the shell 30 is covered with the shell cover 1, the shell cover 1 is further covered with the outer cover 2, and the PCB 80 is installed between the shell cover 1 and the outer cover 2.

[0037] The above embodiment and drawings are not limited to the product form and style of the utility model, and any appropriate changes or modifications made by ordinary skilled persons in the art shall be considered as not departing from the patent scope of the utility model.

Claims

1. A cover structure for an automobile accelerator pedal, comprising a housing cover and an outer cover, characterized in that: The outer cover and the housing cover are interference-fitted together. The housing cover has an annular cavity and an inner wall spaced apart from the annular cavity, so that an annular groove is formed between the inner wall and the annular cavity. The outer cover is fitted onto the annular cavity of the housing cover and has a waterproof component corresponding to the annular groove.

2. The cover structure for an automotive accelerator pedal as described in claim 1, characterized in that: The waterproof component is a water baffle extending downward from the inner top surface of the outer cover. The water baffle is inserted into the annular groove of the shell cover, so that after the shell cover and the outer cover are assembled, the annular cavity, the water baffle, and the inner wall form multiple bends and multiple contact surfaces.

3. The cover structure for an automobile accelerator pedal as described in claim 2, characterized in that: The outer periphery of the outer cover has an outer wall with a corresponding annular cavity, and the outer wall and the water baffle are spaced apart. The annular cavity is located between the outer wall and the water baffle.

4. The cover structure for an automobile accelerator pedal as described in claim 1, characterized in that: The outer cover is provided with at least two equally spaced baffles outside the annular cavity of the shell cover, and the outer cover is provided with at least two limiting seats corresponding to the baffles.

5. The cover structure for an automobile accelerator pedal as described in claim 4, characterized in that: Each limiting seat has an installation slope at the lower end facing the retaining wall, and the top surface of the limiting seat has an anti-detachment plane. The retaining wall has an anti-detachment seat that corresponds to and matches the anti-detachment plane. There is a gap between the anti-detachment seat and the annular cavity for the limiting seat of the outer cover to be inserted.

6. The cover structure for an automotive accelerator pedal as described in claim 1, characterized in that: A PCB is installed inside the inner wall of the housing cover, and an elastic mounting seat is provided inside the inner wall of the housing cover. The PCB board is installed between the elastic mounting seat and the inner top surface of the outer cover.

7. The cover structure for an automobile accelerator pedal as described in claim 6, characterized in that: The elastic mounting base can be any one of an arched structure, a spring seat, or a combination of multiple ribs.

8. The cover structure for an automobile accelerator pedal as described in claim 1, characterized in that: The waterproof component of the outer cover is at least one waterproof rib provided on the outer periphery of the outer cover. The outer periphery of the outer cover has an installation post extending downward from the top surface. The waterproof rib is arranged around the outer periphery of the installation post. The installation post is installed in the annular groove and located on the outer side of the inner wall. The waterproof rib is interference-fitted between the annular groove on the inner side of the shell cover and the installation post.

9. A car accelerator pedal, comprising the housing structure according to any one of claims 1-8, characterized in that, The automotive accelerator pedal also includes a pedal arm, a housing, a rotor, a spring, a spring base, a brush, and a PCB. The pedal arm is mounted on the housing, and the rotor, spring, spring base, and brush are mounted inside the housing. The brush is mounted on the rotor. The pedal arm has a lower arc that contacts the arc of the rotor. A housing cover is fitted on the housing, and an outer cover is also fitted on the housing cover. The PCB is installed between the housing cover and the outer cover.

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