Shell assembly of vehicle door driving mechanism

Abstract

The utility model discloses a shell component of a vehicle door driving mechanism, which comprises a connecting shell, a mounting seat and a tail protective tube, a first opening, a second opening and a third opening are arranged on the connecting shell, and the first opening and the second opening are arranged on two side surfaces of the connecting shell along the axis direction of the connecting shell. The tail protection pipe is connected with the first opening side of the connecting shell, the installation base is connected with the second opening side of the connecting shell, the third opening is used for being connected with the driving piece, a worm is arranged on an output shaft of the driving piece, a first cavity, a second cavity and a third cavity are formed in the connecting shell, the first cavity is located between the first opening and the second opening, and the third cavity is located between the second opening and the third opening. The second cavity is located on the side of the third opening, the two sides of the third cavity communicate with the first cavity and the second cavity, the output end of the driving piece is inserted from the third opening, the worm is inserted into the third cavity, the head end of the driving piece is contained in the second cavity, and the first cavity is used for installing the worm wheel. And the plurality of mounting holes of the shell assembly are integrated in the connecting shell, so that the assembly is simple and efficient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of car door drive, concretely relates to a casing assembly of car door drive mechanism. BACKGROUND

[0002] In prior art, the worm hole and the worm wheel hole in the casing of most actuators are mostly designed in split type, the assembly is complex, the positioning is not accurate, and there is no positioning mechanism and anti-rotation mechanism for cooperation of various casings (connecting casing, tail pipe, mounting seat, etc.), which can easily lead to assembly misplacement, inaccurate part positioning, poor sealing performance and other problems, thereby affecting product performance. In addition, the casing of most actuators is made of metal material, which is heavy in weight, complex in processing and high in cost. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem existing in prior art, provides a casing assembly of car door drive mechanism, and multiple mounting holes of the casing assembly are integrated in the connecting casing, so that the assembly is simple and efficient.

[0004] In order to solve the above problems, the utility model adopts the following technical scheme:

[0005] A casing assembly of car door drive mechanism, comprising a connecting casing, a mounting seat and a tail pipe, wherein the connecting casing is provided with a first opening, a second opening and a third opening, the first opening and the second opening are arranged on the two side surfaces of the connecting casing along the axial direction of the connecting casing, the tail pipe is connected to the first opening side of the connecting casing, the mounting seat is connected to the second opening side of the connecting casing, the third opening is used for connecting with a driving member, the output shaft of the driving member is provided with a worm, the inside of the connecting casing is provided with a first cavity, a second cavity and a third cavity, the first cavity is located between the first opening and the second opening, the second cavity is located at the third opening side, the two sides of the third cavity are respectively communicated with the first cavity and the second cavity, the output end of the driving member is inserted from the third opening, the worm is inserted into the third cavity, the head end of the driving member is accommodated in the second cavity, the first cavity is used for mounting a worm wheel, and the worm wheel is engaged with the worm.

[0006] Preferably, the third opening is arranged on the side wall of the connecting casing.

[0007] Preferably, the outer end surface of the first opening is provided with an annular first positioning stopper, the outer diameter of the first positioning stopper is the same as the inner diameter of the opening of the tail pipe, and the first positioning stopper is used for being inserted into the opening of the tail pipe.

[0008] Preferably, a first anti-rotation boss is arranged on the connecting end surface of the tail pipe and the connecting shell, a first groove is arranged on the outer surface of the connecting shell and matched with the first anti-rotation boss, and the first anti-rotation boss is matched with the first groove to prevent the tail pipe from rotating relative to the connecting shell.

[0009] Preferably, a second positioning stopper is arranged in the annular form on the end surface of the mounting seat connected with the connecting shell, and the outer diameter of the second positioning stopper is the same as the inner diameter of the second opening, so as to be inserted into the second opening.

[0010] Preferably, a second anti-rotation boss is arranged on the end surface of the mounting seat connected with the connecting shell, a second groove is arranged on the outer surface of the connecting shell and matched with the second anti-rotation boss, and the second anti-rotation boss is matched with the second groove to prevent the mounting seat from rotating relative to the connecting shell.

[0011] Preferably, a connecting screw is arranged on the end surface of the mounting seat away from the connecting shell.

[0012] Preferably, a reinforcing rib is arranged on the outer surface of the mounting seat.

[0013] Preferably, the shell assembly of the vehicle door driving mechanism further comprises a sealing unit, and the sealing unit comprises a first sealing strip arranged on the end surface of the tail pipe connected with the connecting shell.

[0014] Preferably, the sealing unit further comprises a second sealing strip arranged on the end surface of the mounting seat connected with the connecting shell.

[0015] The shell assembly in the utility model comprises a connecting shell, a mounting seat and a tail pipe. The connecting shell is internally provided with a first cavity, a second cavity and a third cavity, which are respectively used for arranging a worm wheel, a head end of a driving piece and a worm, so as to integrate a plurality of mounting holes in the connecting shell, thereby reducing the installation difficulty and improving the installation convenience. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structure schematic view of the shell assembly of the vehicle door driving mechanism in the embodiment 1 of the utility model;

[0017] Figure 2 is the first cross-sectional view of the shell assembly of the vehicle door driving mechanism in the embodiment 1 of the utility model;

[0018] Figure 3 is the second cross-sectional view of the shell assembly of the vehicle door driving mechanism in the embodiment 1 of the utility model;

[0019] Figure 4It is the first three-dimensional structure schematic view of the connecting shell in the embodiment 1 of the utility model;

[0020] Figure 5 It is the second three-dimensional structure schematic view of the connecting shell in the embodiment 1 of the utility model;

[0021] Figure 6 It is the third three-dimensional structure schematic view of the connecting shell in the embodiment 1 of the utility model;

[0022] Figure 7 It is the connection schematic view of the connecting shell and tail protection pipe in the embodiment 1 of the utility model;

[0023] Figure 8 It is the first three-dimensional structure schematic view of the mounting seat in the embodiment 1 of the utility model;

[0024] Figure 9 It is the second three-dimensional structure schematic view of the mounting seat in the embodiment 1 of the utility model.

[0025] In the drawing: 100-connecting shell, 110-first opening, 111-first positioning stop, 120-second opening, 130-third opening, 140-first cavity, 150-second cavity, 160-third cavity, 170-first recess, 180-second recess, 200-tail protection pipe, 210-first anti-rotation boss, 300-mounting seat, 310-second anti-rotation boss, 320-second positioning stop, 330-connecting screw, 340-stiffener, 400-driving part, 410-worm, 420-worm wheel, 500-first sealing strip, 510-second sealing strip. DETAILED DESCRIPTION

[0026] The technical solutions in the utility model will be clearly and completely described below with reference to the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of the utility model.

[0027] In the description of the utility model, it should be explained that the terms such as "upper" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawing, and are only for the convenience and simplification of description, and do not indicate or imply that the indicated device or element must be provided with a particular orientation, constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0028] In the description of the utility model, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection," "setting," "installation," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] This utility model provides a housing assembly for a vehicle door drive mechanism, including a connecting housing, a mounting base, and a tail guard. The connecting housing has a first opening, a second opening, and a third opening. The first opening and the second opening are arranged on both sides of the connecting housing along the axial direction of the connecting housing. The tail guard is connected to the first opening side of the connecting housing, and the mounting base is connected to the second opening side of the connecting housing. The third opening is used to connect to a drive component. A worm gear is provided on the output shaft of the drive component. The connecting housing has a first cavity, a second cavity, and a third cavity inside. The first cavity is located between the first opening and the second opening, and the second cavity is located on the side of the third opening. The two sides of the third cavity are respectively connected to the first cavity and the second cavity. The output end of the drive component is inserted through the third opening, the worm gear is inserted into the third cavity, and the head end of the drive component is accommodated in the second cavity. The first cavity is used to install a worm wheel, and the worm wheel meshes with the worm gear.

[0031] Example 1

[0032] like Figure 1 As shown, this embodiment discloses a housing assembly for a vehicle door drive mechanism, including a connecting housing 100, a mounting base 300, and a rear protective tube 200. The connecting housing 100 has a first opening 110, a second opening 120, and a third opening 130. The first opening 110 and the second opening 120 are arranged on both sides of the connecting housing 100 along its axial direction. Figure 1 (The left and right sides of the middle). The tail guard 200 is connected to the first opening 110 side of the connecting housing 100, the mounting base 300 is connected to the second opening 120 side of the connecting housing 100, and the third opening 130 is used to connect to the drive member 400. The output shaft of the drive member 400 is provided with a worm gear 410, and the connecting housing 100 is provided with a first cavity 140, a second cavity 150, and a third cavity 160. The first cavity 140 is located between the first opening 110 and the second opening 120, the second cavity 150 is located on the side of the third opening 130, and the two sides of the third cavity 160 are respectively connected to the first cavity 140 and the second cavity 150, that is, the third cavity 160 is located between the first cavity 140 and the second cavity 150.

[0033] As shown in Figure 3 particular, the driving member 400 adopts a driving motor, the output end of the driving motor is inserted from the third opening 130, the worm 410 is inserted into the third cavity 160, the head end of the driving motor is accommodated in the second cavity 150, the first cavity 140 is used for mounting the worm wheel 420, and the worm wheel 420 is in meshing with the worm 410.

[0034] As shown in Figure 1 , 6 The third opening 130 is arranged on the side wall of the connecting shell 100, and the plane where the third opening 130 is located is perpendicular to the plane where the first opening 110 and the second opening 120 are located.

[0035] As shown in Figure 4 The outer end surface of the first opening 110 of the connecting shell 100 is provided with an annular first positioning stop 111, the first positioning stop 111 is an outwardly protruding annular boss, and the outer diameter of the first positioning stop 111 is the same as the inner diameter of the opening of the tail protective tube 200, which is used for inserting into the opening of the tail protective tube 200, so as to complete the preliminary connection of the tail protective tube 200 and the connecting shell 100.

[0036] As shown in Figure 7 Further, the outer edge of the connecting end of the tail protective tube 200 and the connecting shell 100 is provided with four mounting holes, the four mounting holes are aligned with the four bolt holes on the outer end surface of the first opening 110 of the connecting shell 100, and then the tail protective tube 200 is fixed on the connecting shell 100 through bolts.

[0037] As shown in Figure 4 , 5 , 7, optionally, the connecting end surface of the tail protective tube 200 and the connecting shell 100 is provided with a first anti-rotation boss 210. The first anti-rotation boss 210 is distributed on both sides of the connecting end of the tail protective tube 200 and the connecting shell 100, and protrudes forward towards the connecting shell 100. Correspondingly, the left and right sides of the outer surface of the connecting shell 100 are provided with first grooves 170 matched with the first anti-rotation bosses 210, when the tail protective tube 200 and the connecting shell 100 are connected, the first anti-rotation bosses 210 on both sides of the tail protective tube 200 are clamped in the first grooves 170 on both sides of the connecting shell 100, so as to prevent the tail protective tube 200 from rotating relative to the connecting shell 100, thereby ensuring the stability of the connection.

[0038] As shown in Figure 9As shown in the drawings, in the embodiment, the end surface of the mounting base 300 connected with the connecting shell 100 is provided with a second positioning stop 320 in the shape of a ring. The second positioning stop 320 is a ring-shaped protrusion protruding outward. The outer diameter of the second positioning stop 320 is the same as the inner diameter of the second opening 120, so as to be inserted into the second opening 120, thereby completing the preliminary connection of the mounting base 300 with the connecting shell 100.

[0039] Further, the outer edge of the connecting end of the mounting base 300 is provided with four mounting holes. The four mounting holes are aligned with the four bolt holes on the outer end surface of the second opening 120 of the connecting shell 100, and then the mounting base 300 is fixed on the connecting shell 100 through bolts.

[0040] As shown in the drawings, Figure 9 In the embodiment, the end surface of the mounting base 300 connected with the connecting shell 100 is further provided with a second anti-rotation protrusion 310. The second anti-rotation protrusion 310 is distributed on the upper and lower sides of the connecting end surface of the mounting base 300 and the connecting shell 100 and protrudes forward towards the connecting shell 100. Correspondingly, the upper and lower sides of the outer surface of the connecting shell 100 are provided with second grooves 180 matched with the second anti-rotation protrusions 310. When the mounting base 300 is connected with the connecting shell 100, the second anti-rotation protrusions 310 on the mounting base 300 are clamped in the second grooves 180 on the connecting shell 100, so as to prevent the mounting base 300 from rotating relative to the connecting shell 100, thereby ensuring the stability of the connection.

[0041] As shown in the drawings, Figure 8 In the embodiment, the end surface of the mounting base 300 away from the connecting shell 100 is provided with connecting screws 330. Two connecting screws 330 are respectively located on the upper and lower ends of the end surface of the mounting base 300 away from the connecting shell 100, so as to install the mounting base 300, the connecting shell 100 and the tail protective pipe 200 on the vehicle door through the connecting screws 330.

[0042] Optionally, the outer surface of the mounting base 300 is provided with reinforcing ribs 340 for improving the strength of the mounting base 300.

[0043] As shown in the drawings, Figure 2 In the embodiment, the shell assembly of the vehicle door driving mechanism further includes a sealing unit. Specifically, the intersection of the first positioning stop 111, the mounting surface on the left side of the connecting shell 100 and the tail protective pipe 200 is provided with a first sealing groove. The sealing unit includes a first sealing strip 500 arranged in the first sealing groove, for improving the sealing performance of the connection between the tail protective pipe 200 and the connecting shell 100.

[0044] As shown in the drawings, Figure 2As shown, further, the sealing unit further comprises a second sealing strip 510, a second sealing groove is arranged on an end surface of the mounting seat 300 connected with the connecting shell 100, and the second sealing strip 510 is arranged in the second sealing groove, so as to improve the sealing performance of the mounting seat 300 connected with the connecting shell 100.

[0045] Further, the actuator shell in the market adopts metal material, which is heavy, complex in processing and high in cost. The shell assembly in the embodiment is made of plastic.

[0046] The shell assembly of the door driving mechanism in the embodiment comprises a connecting shell 100, a mounting seat 300 and a tail protection pipe 200. The connecting shell 100 is internally provided with a first cavity 140, a second cavity 150 and a third cavity 160, which are respectively used for arranging a worm wheel 420, a head end of a driving member 400 and a worm 410, so as to integrate a plurality of mounting holes in the connecting shell 100, thereby reducing the installation difficulty and improving the installation convenience. In addition, the connecting part of the connecting shell 100 and the mounting seat 300 and the tail protection pipe 200 on both sides is provided with a positioning stop and an anti-rotation boss, so as to prevent the mounting seat 300 and the tail protection pipe 200 from rotating relative to the connecting shell 100, and improve the installation positioning accuracy. Moreover, the mounting seat 300 is fixedly installed with a connecting screw 330 on an end surface away from the connecting shell 100, and the connecting screw 330 is integrally arranged with the mounting seat 300, thereby reducing the number of parts and improving the convenience and positioning accuracy of connection with the door.

[0047] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principles of the present application, and the present application is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present application, and these modifications and improvements are also regarded as the protection scope of the present application.

Claims

1. A housing assembly for a vehicle door drive mechanism, characterized by, The connecting shell (100), the mounting seat (300), the tail pipe (200), The connecting shell (100) is provided with a first opening (110), a second opening (120) and a third opening (130), the first opening (110) and the second opening (120) are arranged on both sides of the connecting shell (100) along the axial direction of the connecting shell (100), the tail pipe (200) is connected with the first opening (110) side of the connecting shell (100), the mounting seat (300) is connected with the second opening (120) side of the connecting shell (100), the third opening (130) is used for connecting with the driving part (400), the output shaft of the driving part (400) is provided with a worm, The connecting shell (100) is provided with a first cavity (140), a second cavity (150) and a third cavity (160), the first cavity (140) is located between the first opening (110) and the second opening (120), the second cavity (150) is located on the side of the third opening (130), the third cavity (160) is communicated with the first cavity (140) and the second cavity (150) respectively, the output end of the driving part (400) is inserted from the third opening (130), the worm (410) is inserted into the third cavity (160), the head end of the driving part (400) is accommodated in the second cavity (150), the first cavity (140) is used for mounting the worm gear (420), and the worm gear (420) is meshed with the worm (410).

2. The housing assembly of a vehicle door drive mechanism according to claim 1, characterized by, The third opening (130) is arranged on the side wall of the connecting shell (100).

3. The housing assembly of a vehicle door drive mechanism according to claim 2, characterized by, The outer end surface of the first opening (110) is provided with an annular first positioning stop (111), the outer diameter of the first positioning stop (111) is the same as the inner diameter of the opening of the tail pipe (200), and the first positioning stop (111) is inserted into the opening of the tail pipe (200).

4. The housing assembly of a vehicle door drive mechanism according to claim 3, characterized by The connecting end surface of the tail pipe (200) and the connecting shell (100) is provided with a first anti-rotation boss (210), the outer surface of the connecting shell (100) is provided with a first groove (170) matched with the first anti-rotation boss (210), and the first anti-rotation boss (210) is matched with the first groove (170) to prevent the tail pipe (200) from rotating relative to the connecting shell (100).

5. The housing assembly of a vehicle door drive mechanism according to claim 2, characterized by, The end surface of the mounting seat (300) connected with the connecting shell (100) is provided with an annular second positioning stop (320), the outer diameter of the second positioning stop (320) is the same as the inner diameter of the second opening (120), and the second positioning stop (320) is inserted into the second opening (120).

6. The housing assembly of a vehicle door drive mechanism according to claim 5, characterized by A second anti-rotation boss (310) is arranged on the end face of the mounting base (300) connected with the connecting shell (100), an outer surface of the connecting shell (100) is provided with a second groove (180) matched with the second anti-rotation boss (310), and the second anti-rotation boss (310) is matched with the second groove (180) to prevent the mounting base (300) from rotating relative to the connecting shell (100).

7. The housing assembly of a vehicle door drive mechanism according to claim 6, characterized in that, A connecting screw (330) is arranged on the end face of the mounting base (300) away from the connecting shell (100).

8. The housing assembly of a vehicle door drive mechanism according to claim 7, characterized by The outer surface of the mounting base (300) is provided with a reinforcing rib (340).

9. The housing assembly of a vehicle door drive mechanism according to claim 1, characterized by, The sealing unit further comprises a second sealing strip (510) arranged on the end face of the mounting base (300) connected with the connecting shell (100).

10. The housing assembly of a vehicle door drive mechanism according to claim 9, characterized in that, The sealing unit further comprises a second sealing strip (510) arranged on the end face of the mounting base (300) connected with the connecting shell (100).

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