CN213953297U

CN213953297U - Rotating push rod assembly and oil filler cap actuator using same

Info

Publication number: CN213953297U
Application number: CN202021886005.6U
Authority: CN
Inventors: 凌锋; 胡青松; 吴鹏; 刘司诚; 钟华山; 杨剑飞; 唐强; 程明强; 吴亮发
Original assignee: Anhui Dachang Technology Co ltd
Current assignee: Anhui Dachang Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-08-13
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to a rotary push rod component and an oil filler cover actuator using the same, wherein the rotary push rod component comprises a shaft body and a shell with a lug, and a circle of closed stroke groove is arranged on the shaft body in the circumferential direction; all be equipped with in the millet peak of stroke groove and the bottom of the valley and prevent that the axis body from taking place the locked groove of antiport when cooperating with the lug. The oil filler cover actuator comprises a sealing cover which is matched with the shell to form a motor cavity and a locking cavity, the shaft body is distributed in the locking cavity, and the bump is fixed in the locking cavity; a spring is arranged in the locking cavity; be equipped with the locking hole on the axis body, be equipped with in the motor intracavity with locking hole complex locking pole, be equipped with the actuating mechanism who drives the motion of locking pole in the motor intracavity. The utility model discloses a set up round confined stroke groove and lug cooperation on the axis body, drive the rotatory lift of axis body, replace traditional executor and need lug and unclosed stroke groove to drive the axis body through just reversing and go up and down, reduce the lug and the same regional friction number of times in stroke groove, increase life.

Description

Rotating push rod assembly and oil filler cap actuator using same

Technical Field

The utility model relates to an automobile parts field, specific rotatory push rod subassembly and applied filler cap executor of this subassembly that says so.

Background

Along with the development of the automobile industry and the improvement of the automobile popularity, people have higher and higher requirements on the performance of automobiles, more importance is placed on the rapidness, convenience and safety of various operations of the automobiles, and more importance is placed on the automobile emission along with the increasing influence of automobile exhaust on air. Therefore, the improvement of the vehicle structure and the application of new technology are particularly important for the automobile industry, and the light weight and the convenience of installation of the product are favored by the automobile industry.

In the prior art, to the opening and closing of the filler cap wicket, the majority of the filler cap wickets are opened or closed by adopting a mechanical mode, namely, a lock rod is fixed on the wicket, a lock sleeve is fixed on a vehicle body seat, and the opening and closing are realized by pressing or pulling a zipper, so that the filler cap wicket is easily influenced by external factors to cause error operation. Therefore, a locking structure of the micro actuator is added, so that an electronic secondary locking function is realized, external interference is eliminated, and the safety performance is improved. However, in the existing technical structure, the internal structure of the actuator is designed to be complex, the mounting is carried out by adopting fixing modes such as bolts, and the production and the fixation are complex.

Disclosure of Invention

Now in order to solve the technical problem, the utility model provides a rotatory push rod subassembly and applied filler cap executor of this subassembly. The utility model discloses the technical problem that will solve adopts following technical scheme to realize:

a rotary push rod assembly comprises a shaft body and a shell with a lug, wherein a circle of closed stroke groove is formed in the circumferential direction of the shaft body;

under the action of external force along the axial direction, the shaft body is matched with the lug through the stroke groove to complete the rotation lifting action relative to the shell;

the side surface of the stroke groove is in a continuous wave-like shape after being unfolded, wherein the stroke groove comprises two valley peaks and two valley bottoms;

and lock grooves for preventing the shaft body from rotating reversely when being matched with the convex blocks are arranged in the valley peaks and the valley bottoms of the stroke grooves.

The depth of the lock groove after the side surface of the stroke groove is unfolded is larger than the radius of the lug, and the transverse length between the tail end of the lock groove after the side surface of the stroke groove is unfolded and the inflection point of the profile line of the stroke grooved wheel closest to the lock groove is larger than the radius of the lug.

The height of the lock groove after the side surface of the stroke groove is unfolded is from the radius of 1 lug to the radius of 1.5 lugs, and the transverse length between the tail end of the lock groove after the side surface of the stroke groove is unfolded and the inflection point of the stroke groove closest to the lock groove is from the radius of 1 lug to the radius of 2 lugs.

The oil filler cover actuator using the assembly comprises a sealing cover which is matched with a shell to form a motor cavity and a locking cavity, wherein a shaft body is distributed in the locking cavity, a bump is fixed in the locking cavity, and when the shaft body is acted by external force along the axial direction, the shaft body is matched with the bump by virtue of a stroke groove to realize the rotation and the lifting of the shaft body relative to the shell.

And a spring which is abutted against the shaft body to provide thrust for the shaft body during lifting is arranged in the locking cavity.

The motor is characterized in that a locking hole is formed in the shaft body, a locking rod matched with the locking hole is arranged in the motor cavity, and a driving mechanism for driving the locking rod to move is arranged in the motor cavity.

The driving mechanism comprises a rack connected with the locking rod, the rack is matched with a gear, and a motor connected with the gear is arranged in the motor cavity.

And a sheath for preventing the spring from excessively wearing the locking cavity is arranged between the spring and the locking cavity.

The utility model has the advantages that: the utility model has the advantages that the round closed stroke groove matched with the lug is arranged on the shaft body to drive the shaft body to rotate and lift, so that the traditional actuator is replaced, the lug and the unclosed stroke groove drive the shaft body to lift through positive and negative rotation, the friction times of the same area of the lug and the stroke groove are reduced, and the service life is prolonged; through set up the locked groove in the millet peak in stroke groove and valley end, prevent that the axis body from taking place the reversal, ensure that the axis body rotates along a direction all the time, can not lead to the filler cap to open or close because of the axis body reversal accident.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

FIG. 2 is a schematic view of the three-dimensional structure of the present invention after removing the cover;

FIG. 3 is a schematic view of the three-dimensional structure of the housing of the present invention;

FIG. 4 is a right side schematic view of the inner structure of the present invention;

fig. 5 is a schematic structural view of the rack and the gear of the present invention;

fig. 6 is a schematic structural view of a plurality of viewing angles of the stroke groove of the present invention;

fig. 7 is a schematic diagram of the side of the travel groove according to the present invention.

In the figure: 1. a shaft body; 2. a bump; 3. a stroke slot; 4. locking the groove; 5. a housing; 6. sealing the cover; 7. a motor cavity; 8. a locking cavity; 9. a lock lever; 10. a drive mechanism; 11. a spring; 12. a sheath; 101. a rack; 102. a gear; 103. a motor; 1a, a locking hole; 5a, a limit frame.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description will be made with reference to the accompanying drawings in the embodiments, and the embodiments described are only a part of the present invention and not all of the present invention, and other embodiments obtained by those skilled in the art without inventive skill based on the present embodiment are all within the protection scope of the present invention.

As shown in fig. 1 to 7, a rotary push rod assembly includes a shaft body 1 and a housing 5 having a protrusion 2, wherein a circle of closed travel grooves 3 is formed in the circumferential direction of the shaft body 1;

under the action of an external force along the axial direction, the shaft body 1 is matched with the lug 2 through the stroke groove 3 to complete the rotating and lifting action relative to the shell;

the side surface of the stroke groove 3 is continuously wave-like after being unfolded, wherein the stroke groove comprises two valley peaks and two valley bottoms;

locking grooves 4 for preventing the shaft body 1 from rotating reversely when being matched with the convex block 2 are formed in the valley peaks and the valley bottoms of the stroke grooves 3; the locking groove 4 prevents the shaft body 1 from being separated from the inflection point of the contour line of the stroke groove 3 in the lifting process and being not clear to be reversed.

The depth of the lock groove 4 after the side surface of the stroke groove 3 is unfolded is larger than the radius of the convex block 2, and the transverse length between the tail end of the lock groove 4 after the side surface of the stroke groove 3 is unfolded and the inflection point of the outline line of the stroke groove 3 closest to the lock groove 4 is larger than the radius of the convex block 2.

The depth of the locking groove 4 after the side surface of the stroke groove 3 is unfolded is 1 to 1.5 of the radius of the convex block 2, and the transverse length between the tail end of the locking groove 4 after the side surface of the stroke groove 3 is unfolded and the inflection point of the stroke groove 3 closest to the locking groove 4 is 1 to 2 of the radius of the convex block 2; the position of the lug 2 is locked after the lug enters the lock groove 4, because the transverse length between the tail end of the lock groove 4 and the inflection point of the contour line of the stroke groove 3 is from the radius of 1 lug 2 to the radius of 2 lugs 2, the center of the lug 2 deviates from the inflection point of the contour line of the stroke groove 3 along the rotation direction, and the lug 2 directly enters the next path of the stroke groove 3 when the shaft body 1 is lifted or lowered by external force; as shown in fig. 7, the depth of the lock groove 4 after the side of the stroke groove 3 is unfolded is s1, and the transverse length between the tail end of the lock groove 4 after the side of the stroke groove 3 is unfolded and the inflection point of the contour line of the stroke groove 3 is s 2.

The oil filler cover actuator applying the assembly comprises a sealing cover 6 which is matched with a shell 5 to form a motor cavity 7 and a locking cavity 8, wherein the shaft body 1 is distributed in the locking cavity 8, the lug 2 is fixed in the locking cavity 8, and when the shaft body 1 is acted by an external force along the axial direction, the shaft body 1 is matched with the lug 2 by virtue of the stroke groove 3 to realize the rotation and the lifting of the shaft body 1 relative to the shell 5;

a spring 11 which is abutted with the shaft body 1 to provide thrust for the shaft body 1 to ascend is arranged in the locking cavity 8;

a locking hole 1a is formed in the shaft body 1, a locking rod 9 matched with the locking hole 1a is arranged in the motor cavity 7, and a driving mechanism 10 for driving the locking rod 9 to move is arranged in the motor cavity 7; when actuating mechanism 10 drove locking pole 9 and breaks away from locking hole 1, spring 11 provides the thrust and drives axis body 1 and rise and open the filler cap.

The driving mechanism 10 comprises a rack 101 connected with the locking rod 9, the rack 101 is matched with a gear 102, and a motor 103 connected with the gear 102 is arranged in the motor cavity 7; a limiting frame 5a for limiting the position of the rack 101 is arranged in the shell 5; the motor 103 drives the gear 102 to rotate, drives the rack 101 to move in and out of the locking hole 1a, and locks or releases the shaft body 1.

As shown in fig. 6, marking the valley peak of the travel groove 3 as point b and point d, and the valley bottom as point a and point c, when the fuel lid is closed, the projection 2 is located at point a inside the travel groove 3; when the oil filler cover is pressed, the spring 11 is further compressed, the shaft body 1 is rotated, when the lug 2 is positioned at a point b in the stroke groove 3, the oil filler cover is released, the shaft body 1 rotates again under the thrust action of the spring 11, and when the lug 2 is positioned at a point c in the stroke groove 3, the oil filler cover is in an open state under the current state; the oil filler cover is pressed again, the spring 11 receives the extrusion, the shaft body 1 rotates, when the convex block 2 is located at the point d in the stroke groove 3, the oil filler cover is released, the shaft body 1 rotates again under the action of the spring 11, when the convex block 2 is overlapped with the point a again, the rotation is stopped, the motor 103 drives the gear 102 to rotate, and the rack 101 is driven to move to enter the locking hole 1 a.

A sheath 12 for preventing the spring 11 from excessively wearing the locking cavity 8 is arranged between the spring 11 and the locking cavity 8; because the axis body 1 can take place to rotate at the lift in-process, can drive spring 11 simultaneously and rotate, if spring 11 direct and casing 5 and the bottom surface direct contact of closing cap 6, easily lead to the bottom surface wearing and tearing of casing 5 and closing cap 6 under the circumstances of long-term rotation, can pierce through the bottom surface of casing 5 and closing cap 6 even when serious, consequently set up sheath 12 and prevent the direct and casing 5 and closing cap 6's of spring 11 bottom surface direct contact, protect casing 5 and closing cap 6, increase of service life.

The utility model discloses in, when needs switching filler cap, first step: the motor 103 drives the gear 102 to rotate, and drives the rack 101 to move away from the locking hole 1 a;

the second step is that: the oil filler cover is pressed, the shaft body 1 is driven to rotate under the action of the spring 11, and meanwhile, the shaft body is driven to lift through the stroke groove 3 and the bump 2, so that the oil filler cover is popped up to open the oil filler cover;

the third step: the opened oil filler cap is pressed again, the spring 11 is squeezed, the shaft body 1 rotates back to the initial point, the motor 103 drives the gear 102 to rotate, and the rack 101 is driven to move into the locking hole 1 a.

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 to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that there can be 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. A rotary push rod assembly comprising a shaft body (1) and a housing (5) with a projection (2), characterized in that: a circle of closed stroke grooves (3) are formed in the circumferential direction of the shaft body (1);

under the action of an external force along the axial direction, the shaft body (1) is matched with the lug (2) through the stroke groove (3) to complete the rotation lifting action relative to the shell;

the side surface of the stroke groove (3) is continuously wave-like after being unfolded, wherein the stroke groove comprises two valley peaks and two valley bottoms;

and lock grooves (4) for preventing the shaft body (1) from reversely rotating when being matched with the convex blocks (2) are arranged in the valley peaks and the valley bottoms of the stroke grooves (3).

2. A rotary pusher bar assembly according to claim 1, wherein: the depth of the lock groove (4) after the side surface of the stroke groove (3) is unfolded is larger than the radius of the lug (2), and the transverse length between the tail end of the lock groove (4) after the side surface of the stroke groove (3) is unfolded and the inflection point of the contour line of the stroke groove (3) closest to the lock groove (4) is larger than the radius of the lug (2).

3. A rotary pusher bar assembly according to claim 2, wherein: the depth of the lock groove (4) after the side surface of the stroke groove (3) is unfolded is from the radius of 1 lug (2) to the radius of 1.5 lugs (2), and the transverse length between the tail end of the lock groove (4) after the side surface of the stroke groove (3) is unfolded and the inflection point of the stroke groove (3) closest to the lock groove (4) is from the radius of 1 lug (2) to the radius of 2 lugs (2).

4. Oil filler cap actuator applying a rotary push rod assembly according to any of claims 1 to 3, comprising a cover (6) cooperating with the housing (5) to form a motor chamber (7) and a lock chamber (8), characterized in that: the shaft body (1) is distributed in the locking cavity (8), the bump (2) is fixed in the locking cavity (8), and when the shaft body (1) is acted by external force along the axial direction, the shaft body (1) is matched with the bump (2) through the stroke groove (3) to realize the rotation and the lifting of the shaft body (1) relative to the shell (5);

a spring (11) which is abutted with the shaft body (1) to provide thrust for the shaft body (1) to ascend is arranged in the locking cavity (8);

the locking mechanism is characterized in that a locking hole (1a) is formed in the shaft body (1), a locking rod (9) matched with the locking hole (1a) is arranged in the motor cavity (7), and a driving mechanism (10) driving the locking rod (9) to move is arranged in the motor cavity (7).

5. The fuel filler cap actuator of claim 4, wherein: the driving mechanism (10) comprises a rack (101) connected with the locking rod (9), the rack (101) is matched with a gear (102), and a motor (103) connected with the gear (102) is arranged in the motor cavity (7).

6. The fuel filler cap actuator of claim 4, wherein: and a sheath (12) for preventing the spring (11) from excessively wearing the locking cavity (8) is arranged between the spring (11) and the locking cavity (8).