CN211045940U

CN211045940U - Automobile pneumatic motor commutator

Info

Publication number: CN211045940U
Application number: CN202020130714.5U
Authority: CN
Inventors: 张康; 解卫华
Original assignee: Taizhou Vocational College of Science and Technology
Current assignee: Taizhou Vocational College of Science and Technology
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-07-17
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses an automobile pneumatic motor commutator, which comprises an outer shell, the upper end joint of shell has first shield, first shield rotates and has cup jointed the input shaft, the first bevel gear of lower extreme fixedly connected with of input shaft, first bevel gear meshing has second bevel gear, second bevel gear's upper end fixedly connected with output shaft, the side fixedly connected with cassette of shell, the cassette is equipped with the draw-in groove, the inner wall fixedly connected with rubber pad of draw-in groove. This car pneumatic motor commutator has the function of conveniently dismantling the bottom, and the staff of being convenient for overhauls the clearance to the commutator is inside, and is simple swift, has improved maintenance efficiency to still have the function of the inside metal iron fillings of automatic clearance commutator, can in time collect the metal iron fillings that first bevel gear meshing second bevel gear produced, reduce the wearing and tearing of first bevel gear and second bevel gear, prolonged the life of commutator.

Description

Automobile pneumatic motor commutator

Technical Field

The utility model relates to an auto-parts technical field specifically is an automobile pneumatic motor commutator.

Background

The commutator is a mechanism capable of changing the mechanical transmission direction, and is one of the indispensable important accessories on the automobile.

At present, when an automobile pneumatic motor commutator is used, the scrap iron generated inside cannot be removed in time, the scrap iron accelerates the abrasion of a gear of the commutator, the service life of the commutator is shortened, the existing commutator bottom cover is generally connected through bolts, when workers overhaul and clean the inside of the commutator, the commutator is disassembled very fussy and time-consuming, and the overhaul efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile pneumatic motor commutator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a commutator of an automobile pneumatic motor comprises a shell, wherein the upper end of the shell is clamped with a first dustproof cover, the first dustproof cover is rotatably sleeved with an input shaft, the lower end of the input shaft is fixedly connected with a first bevel gear, the first bevel gear is engaged with a second bevel gear, the upper end of the second bevel gear is fixedly connected with an output shaft, the side surface of the shell is fixedly connected with a clamping seat, the clamping seat is provided with a clamping groove, the inner wall of the clamping groove is fixedly connected with a rubber pad, the side surface of the shell is fixedly connected with a positioning block, the lower end of the shell is clamped with a bottom cover, the upper end of the bottom cover is fixedly connected with a sealing plug, the upper end of the bottom cover is fixedly connected with a fixed seat, the fixed seat is provided with a through hole, a fixed rod is sleeved in the through hole in a sliding manner, the surface of the fixed rod is fixedly sleeved with a limiting ring, and the outer side of the fixed rod is sleeved with a spring.

Further, the lower extreme fixedly connected with of bottom adsorbs the seat, it is equipped with the recess to adsorb the seat, the inner wall fixedly connected with battery of recess, the battery is established ties there is the coil, the coil contact is connected with the iron core, the surface contact of iron core is connected with the adsorption column.

Furthermore, the upper end joint of shell has the second shield.

Further, the output shaft is rotatably sleeved with a second dustproof cover.

Furthermore, the surface of the fixed rod is in contact connection with a positioning block.

Furthermore, the upper end contact of fixing base is connected with the rubber pad.

Furthermore, the surface of the adsorption column is fixedly sleeved with a bottom cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this car pneumatic motor commutator has the function of conveniently dismantling the bottom, and the staff of being convenient for overhauls the clearance to the commutator is inside, and is simple swift, has improved maintenance efficiency to still have the function of the inside metal iron fillings of automatic clearance commutator.

2. The scrap iron generated by the engagement of the first bevel gear with the second bevel gear can be collected in time, so that the abrasion of the first bevel gear and the second bevel gear is reduced, and the service life of the commutator is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

fig. 4 is an enlarged view of the part B of the present invention.

In the figure: the device comprises a shell 1, a first dustproof cover 11, a second dustproof cover 12, an input shaft 2, a first bevel gear 21, an output shaft 3, a second bevel gear 31, a clamping seat 4, a clamping groove 41, a rubber pad 42, a positioning block 43, a bottom cover 5, a sealing plug 51, a fixing seat 6, a through hole 61, a fixing rod 62, a limiting ring 63, a spring 64, an adsorption seat 7, a groove 71, a storage battery 72, a coil 73, an iron core 74 and an adsorption column 75.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a commutator of an automobile pneumatic motor comprises a shell 1, a first dustproof cover 11 is clamped at the upper end of the shell 1, the first dustproof cover 11 is used for preventing dust from entering the commutator to accelerate the abrasion of internal parts, a second dustproof cover 12 is clamped at the upper end of the shell 1, the second dustproof cover 12 is used for preventing dust from entering the commutator to accelerate the abrasion of the internal parts, an input shaft 2 is rotatably sleeved on the first dustproof cover 11, a first bevel gear 21 is fixedly connected at the lower end of the input shaft 2, a second bevel gear 31 is meshed with the first bevel gear 21, an output shaft 3 is fixedly connected at the upper end of the second bevel gear 31, the second dustproof cover 12 is rotatably sleeved on the output shaft 3, a clamping seat 4 is fixedly connected to the side surface of the shell 1, when a bottom cover 5 is clamped on the shell 1, a clamping groove 41 arranged on the clamping seat 4 is used for limiting the moving position of a fixed seat 6, the clamping seat 4 is provided with a clamping, the rubber pad 42 is made of elastic rubber, and is used for pushing the bottom cover 5 downwards when the bottom cover 5 is clamped with the shell 1, so that a fixing rod 62 arranged on the bottom cover 5 is firmly clamped on the positioning block 43, the side surface of the shell 1 is fixedly connected with the positioning block 43, the contact surface of the positioning block 43 and the fixing rod 62 is provided with anti-skid grains, and the lower end of the shell 1 is clamped with the bottom cover 5;

the upper end of the bottom cover 5 is fixedly connected with a sealing plug 51, when the bottom cover 5 is clamped on the shell 1, the shell 1 extrudes the sealing plug 51, the sealing plug 51 has a sealing function, the upper end of the bottom cover 5 is fixedly connected with a fixed seat 6, when the bottom cover 5 is clamped on the shell 1, a fixed rod 62 arranged on the fixed seat 6 is firmly clamped on the surface of the positioning block 43 for fixing the position of the bottom cover 5, the fixed seat 6 is provided with a through hole 61, the fixed rod 62 is sleeved in the through hole 61 in a sliding manner, the contact surface of the fixed rod 62 and the positioning block 43 is a plane, the surface is provided with anti-sliding grains, the surface of the fixed rod 62 is fixedly sleeved with a limiting ring 63, the outer side of the fixed rod 62 is sleeved with a spring 64, when the fixed rod 62 moves towards the outer side, the limiting ring 63 extrudes the spring 64, the lower end of the bottom cover 5 is fixedly connected with an adsorption seat 7, when the first bevel gear 21 is engaged with the second bevel gear 31 to rotate, the generated metal iron chips are timely collected by an adsorption column 75 arranged on an adsorption seat 7, the metal iron chips are prevented from being abraded by a gear, the adsorption seat 7 is provided with a groove 71, the inner wall of the groove 71 is fixedly connected with a storage battery 72, the type of the storage battery 72 is 6-FM-10, the adsorption seat belongs to the prior art, a charging lead of the storage battery 72 is connected with an automobile power generation circuit in series, the storage battery 72 is connected with a coil 73 in series, the coil 73 is in contact connection with an iron core 74, the iron core 74 is made of silicon steel and is a magnetic substance with strong magnetic conductivity, the surface of the iron core 74 is in contact connection with the adsorption, when iron core 74 work produced magnetic attraction, magnetic attraction is through adsorbing the metal iron fillings in the post 75 with the commutator in time collect the clearance, and the fixed cover in surface of adsorbing the post 75 has connect bottom 5.

The utility model discloses when concrete implementation: when the commutator works, the first bevel gear 21 is meshed with the second bevel gear 31 to rotate, the storage battery 72 transmits electric energy to the coil 73, the surface of the iron core 74 forms magnetism, the magnetism enables metal chips generated by the rotation of the first bevel gear 21 meshed with the second bevel gear 31 to be adsorbed on the surface of the adsorption column 75, the iron chips have the function of automatically cleaning metal chips in the commutator, the metal chips generated by the engagement of the first bevel gear 21 with the second bevel gear 31 can be timely collected, the abrasion of the first bevel gear 21 and the second bevel gear 31 is reduced, the service life of the commutator is prolonged, when the bottom cover 5 needs to be disassembled to overhaul the inside of the commutator, the bottom cover 5 is firstly upwards extruded, the bottom cover 5 upwards moves the fixed rod 62 to generate a gap with the contact surface of the positioning block 43, then the fixed rod 62 is pulled, the fixed rod 62 outwards moves to drive the limiting ring 63 to outwards, the limiting ring 63 outwards, spring 64 forms compression elasticity, and dead lever 62 outwards moves the position that the front end breaks away from locating piece 43, then move bottom 5 downwards can, have the bottom 5 of convenient dismantlement, and the staff of being convenient for overhauls the clearance to the commutator is inside, and is simple swift, has improved maintenance efficiency.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an automobile pneumatic motor commutator, includes shell (1), its characterized in that: the upper end of the shell (1) is clamped with a first dustproof cover (11), the input shaft (2) is rotatably sleeved on the first dustproof cover (11), a first bevel gear (21) is fixedly connected to the lower end of the input shaft (2), a second bevel gear (31) is meshed with the first bevel gear (21), an output shaft (3) is fixedly connected to the upper end of the second bevel gear (31), a clamping seat (4) is fixedly connected to the side face of the shell (1), a clamping groove (41) is formed in the clamping seat (4), a rubber pad (42) is fixedly connected to the inner wall of the clamping groove (41), a positioning block (43) is fixedly connected to the side face of the shell (1), a bottom cover (5) is clamped to the lower end of the shell (1), a sealing plug (6) is fixedly connected to the upper end of the bottom cover (5), the fixing seat (6) is provided with a through hole (61), the fixing rod (62) is sleeved in the through hole (61) in a sliding mode, a limiting ring (63) is sleeved on the surface of the fixing rod (62) in a fixed mode, and a spring (64) is sleeved on the outer side of the fixing rod (62).

2. The automotive pneumatic motor commutator according to claim 1, characterized in that: the lower extreme fixedly connected with of bottom (5) adsorbs seat (7), adsorb seat (7) and be equipped with recess (71), the inner wall fixedly connected with battery (72) of recess (71), battery (72) are established ties and are had coil (73), coil (73) contact is connected with iron core (74), the surface contact of iron core (74) is connected with adsorption column (75).

3. The automotive pneumatic motor commutator according to claim 1, characterized in that: and a second dustproof cover (12) is clamped at the upper end of the shell (1).

4. The automotive pneumatic motor commutator according to claim 1, characterized in that: the output shaft (3) is rotatably sleeved with a second dustproof cover (12).

5. The automotive pneumatic motor commutator according to claim 1, characterized in that: the surface of the fixed rod (62) is in contact connection with a positioning block (43).

6. The automotive pneumatic motor commutator according to claim 1, characterized in that: the upper end of the fixed seat (6) is in contact connection with a rubber pad (42).

7. The automotive pneumatic motor commutator according to claim 2, characterized in that: the surface of the adsorption column (75) is fixedly sleeved with a bottom cover (5).