CN217935294U

CN217935294U - Motor end cover sealing structure

Info

Publication number: CN217935294U
Application number: CN202221912873.6U
Authority: CN
Inventors: 连广锋; 刘红彬
Original assignee: Xuzhou Hongrunda Electric Vehicle Co ltd
Current assignee: Xuzhou Hongrunda Electric Vehicle Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-29
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a motor end cover seal structure, including closing cap and buffer spring, the inboard of closing cap is connected with the bearing, just the shaft hole has been seted up to the inboard of bearing, the inner chamber of closing cap has been seted up and has been strengthened the chamber, just the inner chamber of strengthening the chamber is equipped with fixed pipe, buffer spring connect in inner chamber bottom. Utilize the buffer spring who sets up, the combined use between stopper and the bracing piece, can improve the intensity of whole closing cap self, thereby can improve the life of closing cap, prevent that long-time use of closing cap from leading to inside structure to be destroyed, influence its life, the stopper that can promote one side to connect when the bracing piece that the closing cap is inboard receives the extrusion, stopper extrusion buffer spring afterwards, make buffer spring take place deformation, and then utilize the produced reverse effort of buffer spring deformation to offset the effort that the bracing piece brought, with this effort that reduces the closing cap and receive, the life of improvement closing cap.

Description

Motor end cover sealing structure

Technical Field

The utility model relates to a motor end cover seal structure field especially relates to a motor end cover seal structure.

Background

The motor end cover is a cover of the motor shell and is used for fixing and supporting a motor rotating shaft, and the end cover is usually made of metal materials and is usually fixed with a motor in a screw tightening mode;

the utility model discloses a motor end cover seal structure as utility model that the bulletin number is CN209472468U, it is through being provided with movable post, make accessible movable post and elastic ring increase the frictional force between end cover and the motor, and make the motor can avoid the end cover not hard up when high-speed function, thereby reached the effect that can increase the leakproofness of end cover and motor, and this mode can carry out sealing connection, but whole end cover self structural nature is relatively poor, inner structure can be damaged under the vibrations of motor after the long-time use of end cover, and then influence the life of end cover, influence the normal work of follow-up motor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a motor end cover seal structure, can solve general motor end cover through being provided with movable post, make accessible activity post and elastic ring increase the frictional force between end cover and the motor, and make the motor can avoid the end cover not hard up when high-speed function, thereby reached the effect that can increase the leakproofness of end cover and motor, and this mode can carry out sealing connection, but the structural nature of whole end cover self is relatively poor, inner structure can be damaged under the vibrations of motor after the long-time use of end cover, and then the life of influence end cover, influence the technical problem of the normal work of follow-up motor.

In order to solve the technical problem, the utility model provides a following technical scheme: including closing cap and buffer spring, the inboard of closing cap is connected with the bearing, just the shaft hole has been seted up to the inboard of bearing, the inner chamber of closing cap has been seted up and has been strengthened the chamber, just the inner chamber of strengthening the chamber is equipped with fixed pipe, buffer spring connect in inner chamber bottom, buffer spring's the other end is connected with the stopper, just the stopper is kept away from one side of buffer spring is connected with the bracing piece, the slider is installed at the upper and lower both ends of stopper, just the inboard of slider runs through there is the slide bar, the spout has been seted up to the inside wall of fixed pipe.

As a preferred technical scheme of the utility model, the draw-in groove has been seted up to the bottom of closing cap, the sealing plug is installed to the bottom of closing cap, just the adaptation groove has been seted up to the surface of sealing plug, the inboard in adaptation groove is connected with reset spring, just reset spring's the other end is connected with the sealing ring.

As a preferred technical scheme of the utility model, the inner chamber of sealing plug is equipped with the barrier layer, just the bottom of barrier layer is connected with the wearing layer, the opposite side of wearing layer is connected with the enhancement layer, just the enhancement layer is kept away from one side of wearing layer is connected with ventilative layer.

As an optimal technical scheme of the utility model, bearing outside diameter size with closing cap inboard diameter size looks adaptation, just the shaft hole with the bearing is the integral structure.

As a preferred technical scheme of the utility model, the bracing piece perpendicular to one side of stopper, just bracing piece outside diameter size with fixed intraductal side diameter size looks adaptation.

As an optimal technical scheme of the utility model, the slider is followed the horizontal centerline symmetric distribution of stopper, just the stopper passes through the slider with slide bar sliding connection.

As an optimal technical scheme of the utility model, the sealing ring passes through reset spring with sealing plug sliding connection, just the whole annular that is of sealing ring.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the combined use of the buffer spring, the limiting block and the support rod can improve the strength of the whole sealing cover, so that the service life of the sealing cover can be prolonged, the damage to the internal structure and the influence on the service life of the sealing cover caused by the long-time use of the sealing cover are prevented, the limiting block connected to one side can be pushed when the support rod on the inner side of the sealing cover is extruded, then the limiting block extrudes the buffer spring to deform the buffer spring, and then the acting force brought by the support rod is offset by the reverse acting force generated by the deformation of the buffer spring, so that the acting force exerted on the sealing cover is reduced, and the service life of the sealing cover is prolonged;

2. utilize the sealing plug that sets up, the combined use between sealing ring and the reset spring, leakproofness when can improving whole closing cap and motor housing and be connected to there is the production of gap when preventing the two to connect, after motor housing's inside was imported to the sealing plug, the sealing ring can move to the outside at reset spring's reverse acting force, thereby one side that makes the sealing ring is laminated with motor housing's inside wall, and then can ensure the leakproofness of closing cap and motor housing junction.

Drawings

Fig. 1 is a schematic structural view of the sealing structure of the motor end cover of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 of the sealing structure of the motor end cover according to the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the sealing plug of the sealing structure of the motor end cover according to the present invention;

fig. 4 is a schematic view of a sealing cover three-dimensional structure of the motor end cover sealing structure of the present invention;

wherein: 1. sealing the cover; 2. a bearing; 3. a shaft hole; 4. a reinforcement cavity; 5. fixing the tube; 6. a buffer spring; 7. a limiting block; 8. a support bar; 9. a slider; 10. a slide bar; 11. a chute; 12. a card slot; 13. a sealing plug; 14. an adaptation groove; 15. a return spring; 16. a seal ring; 17. an impermeable layer; 18. a wear layer; 19. a reinforcing layer; 20. and (4) a breathable layer.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1

Referring to fig. 1, fig. 2 and fig. 4, the utility model provides a motor end cover sealing structure, including a sealing cover 1 and a buffer spring 6, the inside of the sealing cover 1 is connected with a bearing 2, and the inside of the bearing 2 is provided with a shaft hole 3, the outside diameter size of the bearing 2 is adapted to the inside diameter size of the sealing cover 1, and the shaft hole 3 is in an integrated structure with the bearing 2, the inner cavity of the sealing cover 1 is provided with a reinforced cavity 4, and the inner cavity of the reinforced cavity 4 is provided with a fixed tube 5, the buffer spring 6 is connected to the bottom of the inner cavity, the other end of the buffer spring 6 is connected with a stopper 7, and one side of the stopper 7 far away from the buffer spring 6 is connected with a support rod 8, the support rod 8 is perpendicular to one side of the stopper 7, and the outside diameter size of the support rod 8 is adapted to the inside diameter size of the fixed tube 5, the upper and lower ends of the stopper 7 are provided with sliders 9, and the inside of the sliders 9 is penetrated with a slide rod 10, the sliders 9 are symmetrically distributed along the transverse center line of the stopper 7, and the stopper 7 is connected with the inner side wall of the slide rod 10 through the slider 9, the inner side wall of the fixed tube 5 is provided with a chute 11, the bottom of the sealing ring 12 is provided with a sealing plug 13, and the sealing plug 15, and the outer surface of the sealing plug is connected with a return spring 16, and the return spring 15, and the return groove 15 is connected with a return groove 16;

as a further embodiment of this embodiment, as shown in fig. 1, fig. 2 and fig. 4, when the sealing cover 1 needs to be connected to the motor housing, the sealing plug 13 is input into the motor housing, then the return springs 15 on both sides push the sealing ring 16 outwards under the action of elasticity, so that the sealing ring 16 can better adhere to the inner side wall of the motor housing, and further achieve better sealing treatment, when the sealing cover 1 is subjected to a relatively strong earthquake and laterally shakes, the sealing cover 1 can make the supporting rod 8 arranged in the inner cavity move laterally, then the stopper 7 can make lateral movement under the action of the supporting rod 8, so that the stopper 7 presses the buffer spring 6 connected on one side, and when the buffer spring 6 is pressed, the buffer spring 6 deforms, and further generates a certain reverse acting force, and then the acting force caused by the supporting rod 8 is counteracted by the reverse acting force, and at the same time the stopper 7 laterally moves, the sliders 9 connected on both sides are simultaneously driven to laterally move along the sliding rod 10 to laterally move, so as to improve the stability of the supporting rod 8 in the lateral movement process, and further improve the strength and stability of the entire sealing cover 1 itself, and the service life of the sealing cover 1, and improve the service life of the sealing cover 1.

Example 2

Referring to fig. 1 and fig. 3, the utility model provides a sealing structure for motor end cap, the inner cavity of the sealing plug 13 is provided with an impermeable layer 17, the bottom of the impermeable layer 17 is connected with a wear layer 18, the other side of the wear layer 18 is connected with a reinforcing layer 19, and one side of the reinforcing layer 19 far away from the wear layer 18 is connected with a ventilation layer 20;

as a further embodiment of this embodiment, as shown in fig. 1 and 3, since the inner structure of the anti-seepage layer 17 is made of anti-seepage material, it has a certain anti-seepage function, and can effectively prevent external liquid from infiltrating into the motor during sealing, and the strength of the whole sealing plug 13 itself can be improved by combining the arrangement of the wear-resistant layer 18, and the arranged air-permeable layer 20 can play a certain air-permeable effect to prevent odor from remaining in the motor.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a motor end cover seal structure, includes closing cap (1) and buffer spring (6), its characterized in that: the inboard of closing cap (1) is connected with bearing (2), just shaft hole (3) have been seted up to the inboard of bearing (2), the inner chamber of closing cap (1) has been seted up and has been strengthened chamber (4), just the inner chamber of strengthening chamber (4) is equipped with fixed pipe (5), buffer spring (6) connect in inner chamber bottom, the other end of buffer spring (6) is connected with stopper (7), just stopper (7) are kept away from one side of buffer spring (6) is connected with bracing piece (8), slider (9) are installed at the upper and lower both ends of stopper (7), just slider (9) inboard run through there is slide bar (10), spout (11) have been seted up to the inside wall of fixed pipe (5).

2. The motor end cover sealing structure according to claim 1, wherein: draw-in groove (12) have been seted up to the bottom of closing cap (1), sealing plug (13) are installed to the bottom of closing cap (1), just adaptation groove (14) have been seted up to the surface of sealing plug (13), the inboard in adaptation groove (14) is connected with reset spring (15), just the other end of reset spring (15) is connected with sealing ring (16).

3. The motor end cover sealing structure according to claim 2, wherein: the inner cavity of sealing plug (13) is equipped with barrier layer (17), just the bottom of barrier layer (17) is connected with wearing layer (18), the opposite side of wearing layer (18) is connected with enhancement layer (19), just one side that wearing layer (18) were kept away from to enhancement layer (19) is connected with ventilative layer (20).

4. The motor end cover sealing structure according to claim 1, wherein: the diameter size of the outer side of the bearing (2) is matched with the diameter size of the inner side of the sealing cover (1), and the shaft hole (3) and the bearing (2) are of an integrated structure.

5. The motor end cover sealing structure according to claim 1, wherein: the supporting rod (8) is perpendicular to one side of the limiting block (7), and the diameter size of the outer side of the supporting rod (8) is matched with the diameter size of the inner side of the fixing pipe (5).

6. The motor end cover sealing structure according to claim 1, wherein: the slider (9) is followed the horizontal central line symmetric distribution of stopper (7), just stopper (7) pass through slider (9) with slide bar (10) sliding connection.

7. The motor end cover sealing structure according to claim 2, wherein: the sealing ring (16) is connected with the sealing plug (13) in a sliding mode through the return spring (15), and the sealing ring (16) is annular as a whole.