CN220470095U - Starter that sealing performance is good - Google Patents

Abstract

The utility model relates to the technical field of starters, in particular to a starter with good sealing performance, which comprises a front cover and a casing, wherein the front cover and the casing are fixedly connected through a connecting disc, the bottom of the front cover is fixedly connected with a water leakage plug, the side edge of the casing is fixedly connected with a rear cover, a motor is arranged in the casing, the output end of the motor is connected with a planet carrier output shaft, one end of the planet carrier output shaft penetrates through the front cover and extends to the outside of the front cover and is connected with a gear shaft, one end of the gear shaft is connected with a tooth head, and a bowl-shaped gasket is arranged between the tooth head and the gear shaft. In the running process of the starter, the bowl-shaped gasket is arranged between the gear shaft and the gear head, and the rubber sealing ring and the baffle are arranged inside the deep groove ball bearing and the isolator sheath, so that gaps inside the starter can be effectively filled, redundant gaps are not formed inside the starter, and the effect of increasing the internal structural compactness of the starter is achieved.

Description

Starter that sealing performance is good

Technical Field

The utility model relates to the technical field of starters, in particular to a starter with good sealing performance.

Background

The starting of the engine requires the support of external force, and the starter plays the role, namely a motor, which converts the electric energy of the storage battery into mechanical energy to drive the flywheel of the engine to rotate so as to realize the starting of the engine.

The existing starter is generally directly fixed on a shell of an engine speed reducer through bolts, and a sealing device is not arranged on a contact surface between the starter and the engine speed reducer, so that lubricating oil inside the engine speed reducer overflows in the running process of the starter, external water vapor and dust enter the starter through the contact surface of the starter, normal use of the starter is affected, and the working efficiency of the starter is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a starter with good sealing performance.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the starter with good sealing performance comprises a front cover and a casing, wherein the front cover is fixedly connected with the casing through a connecting disc, the bottom of the front cover is fixedly connected with a water leakage plug, the side edge of the casing is fixedly connected with a rear cover, a motor is arranged in the casing, the output end of the motor is connected with a planet carrier output shaft, one end of the planet carrier output shaft penetrates through the front cover and extends to the outside of the front cover and is connected with a gear shaft, one end of the gear shaft is connected with a tooth head, and a bowl-shaped gasket is arranged between the tooth head and the gear shaft;

the planetary gear is characterized in that a deep groove ball bearing is sleeved at one end, close to the tooth head, of the planetary gear carrier output shaft, a rubber sealing ring is arranged on the inner wall of the deep groove ball bearing, an isolator sheath is sleeved on the outer surface of the planetary gear carrier output shaft, and a baffle is fixedly connected to the inner wall of the isolator sheath.

Preferably, a sleeve is sleeved at one end of the planet carrier output shaft, which is close to the isolator sheath, a sliding block is arranged on the outer wall of the sleeve, and a shifting fork is fixedly connected to the sliding block.

Preferably, a switch iron core is arranged on one side of the electromagnetic switch, a sealing gasket is fixedly connected to the bottom of the side edge of the electromagnetic switch, a shifting fork seat is fixedly connected to the end part of the sealing gasket, and one end of the shifting fork penetrates through the shifting fork seat and is fixedly connected to one side of the switch iron core.

Preferably, a sealing gasket is arranged on one side of the electromagnetic switch, and one end of the switch iron core is fixedly connected to the sealing gasket.

The beneficial effects of the utility model are as follows:

in the process of starter operation, through setting up bowl shape packing ring between gear shaft and tooth head, set up rubber seal and baffle in deep groove ball bearing, isolator sheath inside, can fill the inside gap of starter effectively, make the inside unnecessary space that does not have of starter, reached the effect that increases starter internal structure compactedness, through all adopting "O" type circle seal structure at the junction of starter, make the starter have good sealing performance, can prevent effectively that the inside lubricating oil of starter from spilling over, with the inside that external steam dust enters into the starter, can not influence the normal use of starter, the work efficiency of starter has been improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a starter with good sealing performance according to the present utility model;

fig. 2 is a schematic side view of a starter with good sealing performance according to the present utility model;

fig. 3 is a schematic diagram showing the connection structure between the inside of the front cover of the starter with good sealing performance and the casing and the electromagnetic switch.

In the figure:

1. a front cover; 2. a housing; 3. a connecting disc; 4. a rear cover; 5. a water leakage plug; 6. a planet carrier output shaft; 7. a gear shaft; 8. a tooth head; 9. a bowl-shaped gasket; 10. a rubber seal ring; 11. deep groove ball bearings; 12. a isolator sheath; 13. a sleeve; 14. a shifting fork; 15. an electromagnetic switch; 16. a switch core; 17. a sealing gasket; 18. a fork base; 19. a baffle; 20. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

What is not described in detail in this specification is prior art known to those skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Examples:

referring to fig. 1-3, a starter with good sealing performance comprises a front cover 1 and a casing 2, wherein the front cover 1 and the casing 2 are fixedly connected through a connecting disc 3, the bottom of the front cover 1 is fixedly connected with a water leakage plug 5, the side edge of the casing 2 is fixedly connected with a rear cover 4, a motor is arranged in the casing 2, the output end of the motor is connected with a planet carrier output shaft 6, one end of the planet carrier output shaft 6 penetrates through the front cover 1 and extends to the outside of the front cover 1 and is connected with a gear shaft 7, one end of the gear shaft 7 is connected with a tooth head 8, and a bowl-shaped gasket 9 is arranged between the tooth head 8 and the gear shaft 7;

the one end cover that planet carrier output shaft 6 is close to tooth head 8 is equipped with deep groove ball bearing 11, and the inner wall of deep groove ball bearing 11 is provided with rubber seal 10, and the surface cover of planet carrier output shaft 6 is equipped with isolator sheath 12, and the inner wall fixedly connected with baffle 19 of isolator sheath 12.

The planet carrier output shaft 6 is close to the one end cover of isolator sheath 12 and is equipped with sleeve 13, and the outer wall of sleeve 13 is provided with the slider, fixedly connected with shift fork 14 on the slider.

A switch iron core 16 is arranged on one side of the electromagnetic switch 15, a sealing washer 17 is fixedly connected to the bottom of the side edge of the electromagnetic switch 15, a shifting fork seat 18 is fixedly connected to the end part of the sealing washer 17, and one end of the shifting fork 14 penetrates through the shifting fork seat 18 and is fixedly connected to one side of the switch iron core 16.

One side of the electromagnetic switch 15 is provided with a gasket 20, and one end of the switch core 16 is fixedly connected to the gasket 20.

In this embodiment, when a power source is used to supply power to the starter, the electromagnet in the starter generates a magnetic field and forms a magnetic flux, so that the magnet in the starter can generate electromagnetic induction to the coil on the magnet, at this time, the current in the coil can form a new magnetic field, the magnetic field interacts with the magnetic field on the electromagnetic field, so that the planet carrier output shaft 6 is subjected to magnetic force to rotate, meanwhile, the electromagnetic switch 15 is in a closed state, the coil in the electromagnetic switch 15 is electrified and generates electromagnetic force and sucks the switch iron core 16, the switch iron core 16 is electrified and generates electromagnetic attraction force, and thus the shift fork 14 is driven to axially move along the planet carrier output shaft 6, when the planet carrier output shaft 6 rotates, the radial load is borne by the deep groove ball bearing 11, and then the planet carrier output shaft 6 drives the gear head 8 to mesh with the flywheel ring gear outside the starter, so that the planet carrier output shaft 6 drives the crankshaft of the external engine to rotate, and thus the starter is driven to normally start;

the novel starter is characterized in that the tooth head 8 is suspended and exposed through the front cover 1, the output power is higher in the running process of the starter, a bowl-shaped gasket 9 is arranged between the gear shaft 7 and the tooth head 8, gaps between the gear shaft 7 and the tooth head 8 can be filled up to form a seal, water can be effectively discharged through arranging the water leakage plug 5 at the bottom of the starter, outside water vapor, dust and the like are prevented from leaking to the inside of the starter, the tooth head 8 can run more safely and stably through good elasticity and vibration reduction performance of the bowl-shaped gasket 9, vibration and noise are reduced, a rubber sealing ring 10 and a baffle 19 are arranged in the deep groove ball bearing 11 and the isolator jacket 12, redundant gaps are not formed in the starter, the compactness of the internal structure of the starter is improved, the starter can be effectively prevented from overflowing through the oil seal structure of the starter at the connecting parts among the front cover 1, the shell 2, the connecting disc 3, the rear cover 4 and the electromagnetic switch 15, the internal structure of the starter is guaranteed, the starter can be stably and safely run, the efficiency of the starter is improved, and the electromagnetic switch is sealed to one side of the electromagnetic switch 15 is provided with a sealing gasket 20.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (4)

1. The starter with good sealing performance comprises a front cover (1) and a casing (2), and is characterized in that the front cover (1) is fixedly connected with the casing (2) through a connecting disc (3), a water leakage plug (5) is fixedly connected to the bottom of the front cover (1), a rear cover (4) is fixedly connected to the side edge of the casing (2), a motor is arranged in the casing (2), an output end of the motor is connected with a planet carrier output shaft (6), one end of the planet carrier output shaft (6) penetrates through the front cover (1) and extends to the outside of the front cover (1) and is connected with a gear shaft (7), one end of the gear shaft (7) is connected with a tooth head (8), and a bowl-shaped gasket (9) is arranged between the tooth head (8) and the gear shaft (7);

one end of the planet carrier output shaft (6) close to the tooth head (8) is sleeved with a deep groove ball bearing (11), the inner wall of the deep groove ball bearing (11) is provided with a rubber sealing ring (10), the outer surface of the planet carrier output shaft (6) is sleeved with a one-way device sheath (12), and the inner wall of the one-way device sheath (12) is fixedly connected with a baffle plate (19).

2. The starter with good sealing performance according to claim 1, wherein a sleeve (13) is sleeved at one end of the planet carrier output shaft (6) close to the isolator sheath (12), a sliding block is arranged on the outer wall of the sleeve (13), and a shifting fork (14) is fixedly connected to the sliding block.

3. The starter with good sealing performance according to claim 2, wherein a switch iron core (16) is arranged on one side of the electromagnetic switch (15), a sealing gasket (17) is fixedly connected to the bottom of the side edge of the electromagnetic switch (15), a shifting fork seat (18) is fixedly connected to the end portion of the sealing gasket (17), and one end of the shifting fork (14) penetrates through the shifting fork seat (18) and is fixedly connected to one side of the switch iron core (16).

4. A starter with good sealing performance according to claim 3, characterized in that a sealing gasket (20) is provided on one side of the electromagnetic switch (15), and one end of the switch core (16) is fixedly connected to the sealing gasket (20).