CN212296038U - Push rod structure for automobile door - Google Patents

Push rod structure for automobile door Download PDF

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Publication number
CN212296038U
CN212296038U CN202020246811.0U CN202020246811U CN212296038U CN 212296038 U CN212296038 U CN 212296038U CN 202020246811 U CN202020246811 U CN 202020246811U CN 212296038 U CN212296038 U CN 212296038U
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Prior art keywords
motor
push rod
fixed
screw
automobile door
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CN202020246811.0U
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叶俊辉
谭君明
黄铁劲
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Foshan Fast Time Technology Co ltd
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Foshan Fast Time Technology Co ltd
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Abstract

The utility model discloses a push rod structure for car door, utilize the motor drive lead screw to rotate, make the slider drive the connecting rod and remove and realize its flexible, promote opening/closing of automobile door, because push rod structure needs certain size when the installation, and the connecting rod is established between lead screw and motor, make push rod structure can carry out the fix with screw in the position of the shell of connecting rod both sides, the power that push rod structure's shell received is more balanced, the lug rupture or the shell damage of avoiding being used for connecting screw, the slider adopts and is formed by plastic rubber coating and the inside metal nut of cladding at the plastic rubber coating, at the removal in-process, the noise is littleer, the weight loss. The motor is fixed through keeping the ware, keeps the ware to realize fixedly through side and casing butt and lock joint, and the both ends of lead screw are passed through the sleeve and are fixed on apron and base plate, and set up the bearing in the non-threaded section position near the follow driving wheel, and the bearing passes through O type jump ring fixed, consequently, and inside need not adopt the fix with screw, and the equipment is convenient.

Description

Push rod structure for automobile door
Technical Field
The utility model relates to an auto parts technical field, in particular to push rod structure for car door.
Background
In modern vehicles, their functions are increasingly intelligent, for example, the doors of the vehicle are opened/closed automatically instead of manually. In the execution of the motion of the door by the automatic opening/closing, the motion is generally executed using an electric push rod.
In the existing electric push rod, a motor drives a screw rod to rotate, a rotating nut of the screw rod drives the push rod to move, and because a shell for mounting the screw rod is fixed on an automobile door and one end of the push rod is fixed on an automobile body, when the screw rod drives the push rod to move, the automobile door is opened/closed. For example, "nut screw type automatic door opening and closing mechanism, automatic door for automobile and automobile" disclosed in the prior patent CN 201811480394. However, the push rod structure is arranged outside the motor and the screw rod, so that when the push rod structure is used, the reaction of the push rod to the shell is unbalanced, and to realize the reaction balance, a larger space is needed for arranging the installation positions of the shell close to one side of the connecting rod and the automobile door, and therefore, when the installation requirement of the automobile door is higher, the intelligent upgrading and refitting of the automobile door is limited.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art's weak point, the utility model aims to provide a balanced and small push rod structure for car door of structure of atress.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a push rod structure for an automobile door comprises a shell, a motor, a lead screw, a sliding block and a connecting rod, wherein the shell comprises two cavities, the two cavities are a first cavity and a second cavity respectively, the lead screw is arranged in the first cavity, two ends of the lead screw are rotatably connected with the shell, the motor is fixed in the second cavity, the lead screw is arranged in parallel with a central shaft of the motor, an output shaft of the motor is connected with a transmission structure, and the motor is connected with one end of the lead screw through the transmission structure; the sliding block is in threaded connection with the middle part of the screw rod, and the connecting rod is arranged between the screw rod and the motor and is hinged to one side surface of the sliding block facing the motor; the shell mainly comprises base plate, casing and apron, and first cavity and second cavity are established on the casing, and the apron lid is in transmission structure's the outside, apron one end and casing fixed connection, and the one end of apron is kept away from to the casing is fixed to the base plate, and the outside of base plate is worn out to connecting rod one end, and the both ends of lead screw rotate respectively to be connected on apron and base plate.
In the push rod structure for the automobile door, a retainer is arranged between the motor and the transmission structure, a buckle is arranged on one side surface of the retainer close to the screw rod, a buckling position matched with the buckle is arranged on the shell, and the retainer is fixed on the shell in a matched mode through the buckle and the buckling position and compresses and fixes the motor.
In the push rod structure for the automobile door, the transmission structure comprises a driving shaft fixed on an output shaft of the motor, a driving wheel fixed in the middle of the driving shaft and a driven wheel fixed at one end of the screw rod and meshed with the driving wheel, and one end of the driving shaft far away from the motor is rotatably connected with the cover plate.
In the push rod structure for the automobile door, a bearing is sleeved on the screw rod between the driven wheel and the sliding block, and the bearing is fixed on the shell through an O-shaped snap spring.
In the push rod structure for the automobile door, sleeves are respectively sleeved at the two ends of the screw rod and the connecting position of the cover plate and the base plate and at the rotating connecting position of the driving shaft and the cover plate.
In the push rod structure for the automobile door, the cover plate and the base plate are fixed on the shell through screws.
In the push rod structure for the automobile door, the inner wall surface of the first cavity is provided with a slide rail protruding along the length direction, and the slide block is provided with a slide groove matched with the slide rail.
In the push rod structure for the automobile door, the shell is provided with a lug outside the base plate, the lug is provided with a screw through hole, one side of the lug, which faces the cover plate, is provided with a U-shaped groove, and the screw through hole is arranged in the U-shaped groove.
In the push rod structure for the automobile door, the sliding block is formed by plastic rubber coating and a metal nut coated inside the plastic rubber coating, and the connecting rod is fixed on the metal nut through a pin.
In the push rod structure for the automobile door, the metal nut is a square nut.
Has the advantages that: the utility model discloses a push rod structure utilizes motor drive lead screw to rotate, make the slider drive the connecting rod and remove and realize its flexible, promote opening or closing of automobile door, because lead screw and motor need certain size when the installation, and the connecting rod is established between lead screw and motor, and this push rod structure stretches out shell one side and automobile door fixed connection at the connecting rod, make push rod structure can carry out the fix with screw in the position of the shell of connecting rod both sides, and then make the connecting rod when carrying out the action, the power that the shell of push rod structure received is more balanced, avoid being used for connecting the lug rupture of screw or shell damage, and make the structure compacter, the occupation space is little, conveniently install on the automobile door; the slider is formed by plastic rubber coating and a metal nut coated inside the plastic rubber coating, so that the slider is coated with the plastic rubber on the inner wall surface of the shell and the contact part of the slide rail, and therefore, through the structure, under the condition of ensuring the strength, in the moving process, the noise is smaller, the mass can be reduced, and the transmission is more stable. The motor is fixed through keeping the ware, keeps the ware to realize fixedly through side and casing butt and lock joint, and the both ends of lead screw are passed through the sleeve and are fixed on apron and base plate to set up the bearing in driven wheel near non-thread section position, it is fixed that the bearing passes through O type jump ring, consequently, inside need not adopt the fix with screw, the equipment is convenient. The shell cladding can prevent that lead screw, transmission structure from being stained with the dust and influencing its driven stability in the outside of lead screw, motor and transmission structure to can also have certain waterproof function.
Drawings
Fig. 1 is a schematic perspective view of a push rod structure for an automobile door provided by the present invention.
Fig. 2 is a schematic perspective view of fig. 1 in another direction.
Fig. 3 is a front view of the push rod structure for automobile door provided by the present invention.
Description of the main element symbols: 1-shell, 11-cover plate, 12-shell, 121-lug, 122-U-shaped groove, 13-base plate, 2-connecting rod, 3-motor, 4-screw rod, 5-sliding block, 123-first cavity, 6-bearing, 7-O-shaped clamp spring, 8-sleeve, 9-transmission structure, 91-driving wheel, 92-driving shaft, 93-driven wheel, 10-retainer and 101-buckle.
Detailed Description
The utility model provides a push rod structure for car door, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted to follow with reference to the attached drawing the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
Referring to fig. 1-3, a push rod structure for an automobile door comprises a housing 1, a motor 3, a screw rod 4, a slider 5 and a connecting rod 2, wherein the housing 1 comprises two cavities, the two cavities are a first cavity 123 and a second cavity (corresponding to the position of the motor 3 in fig. 3), the screw rod 4 is arranged in the first cavity 123, two ends of the screw rod 4 are rotatably connected with the housing 1, the motor 3 is fixed in the second cavity (corresponding to the position of the motor 3 in fig. 3), an output shaft of the motor 3 is connected with a transmission structure 9, and the motor 3 is connected with one end of the screw rod 4 through the transmission structure 9; the sliding block 5 is in threaded connection with the middle part of the screw rod 4. Preferably, the screw rod 4 is arranged parallel to the central axis of the motor 3. In the above, the motor 3 drives the transmission structure 9 to drive the screw rod 4, so that the sliding block 5 on the screw rod 4 moves in the range of the threaded end along the length direction of the screw rod 4. The connecting rod 2 is hinged to the slider 5, and one end of the connecting rod is arranged in the first cavity 123, so that the connecting rod 2 is driven by the slider 5 to move, and the opening/closing action of the automobile door is implemented.
In a preferred embodiment, the connecting rod 2 is arranged between the screw rod 4 and the motor 3 and hinged on one side surface of the sliding block 5 facing the motor 3, a certain size is required when the screw rod 4 and the motor 3 are installed, the connecting rod 2 is arranged between the screw rod 4 and the motor 3, and the push rod structure is fixedly connected with the automobile door on one side of the connecting rod 2 extending out of the shell 1, so that the push rod structure can be screwed on the positions of the shell 1 on two sides of the connecting rod 2, and further, when the connecting rod 2 performs action, the force applied to the shell 1 of the push rod structure is more balanced, and the lug 121 for connecting the screw is prevented from being broken or the shell 1 is prevented. Compared with the existing electric push rod structure, when the position of the shell 1 on two sides of the connecting rod 2 is adopted for screwing, the structure is more compact, the occupied space is small, and the installation on the automobile door is convenient.
In a preferred embodiment, the inner wall surface of the first cavity 123 is provided with a slide rail (not shown) protruding along the length direction, and the slider 5 is provided with a slide groove matched with the slide rail. In the embodiment of the present application, preferably, the sliding grooves are formed on two adjacent surfaces of the connecting link 2 in the length direction, and two or three surfaces (except the surface of the connecting link 2) of the slider 5 in the length direction are attached to the inner wall surface of the housing 1, so that the movement of the slider 5 is more stable.
In a further embodiment, the slider 5 is formed by a plastic encapsulation and a metal nut encapsulated inside the plastic encapsulation, and the connecting rod 2 is fixed on the metal nut by a pin, wherein the metal nut is preferably, but not limited to, a square nut. In this embodiment, form by plastic rubber coating and the inside metal nut of cladding at the plastic rubber coating through slider 5 for slider 5 is the plastic rubber coating with the internal face of shell 1, slide rail contact part, consequently removes the in-process, through this structure, under the condition of proof strength, compares than current single metal slider 5, and the noise is littleer, and the rubber coating structure can also lighten the quality, makes the transmission more steady. Compared with the existing linear guide rail slide block 5 with the ball, the structure is simple, the processing is convenient, and the size can be smaller. In an alternative scheme of the metal nut, the metal nut is formed by riveting a square metal pipe and a metal column, so that the metal nut is high in strength and small in size.
In a preferred embodiment, the housing 1 mainly comprises a base plate 13, a housing 12 and a cover plate 11, the first cavity 123 and the second cavity are disposed on the housing 12, the cover plate 11 covers the outside of the transmission structure 9, one end of the cover plate 11 is fixedly connected to the housing 12, the base plate 13 is fixed to one end of the housing 12 far away from the cover plate 11, one end of the connecting rod 2 penetrates through the outside of the base plate 13, and two ends of the lead screw 4 are rotatably connected to the cover plate 11 and the base plate 13, respectively.
Wherein, be equipped with between motor 3 and the drive structure 9 and keep ware 10, keep ware 10 and be equipped with buckle 101 in a side that is close to lead screw 4, be equipped with on casing 12 with buckle 101 complex detain the position, keep ware 10 through buckle 101 with detain the position cooperation and fix on casing 12 to compress tightly motor 3 fixedly, motor 3's the other end butt is in second cavity bottom, realizes motor 3's fixed, of course, also can set up a retainer 10 in second cavity bottom and fix.
The transmission structure 9 comprises a driving shaft 92 fixed on the output shaft of the motor 3, a driving wheel 91 fixed in the middle of the driving shaft 92, and a driven wheel 93 fixed at one end of the screw rod 4 and meshed with the driving wheel 91, wherein the driving shaft 92 is rotatably connected with the cover plate 11 at one end far away from the motor 3.
In a further embodiment, the screw rod 4 is sleeved with a bearing 6 between the driven wheel 93 and the sliding block 5, and the bearing 6 is fixed on the shell 12 through an O-shaped snap spring 7. Wherein, casing 12 is equipped with the spacing collar that is used for bearing 6 one side spacing in bearing 6 arrangement position, and the opposite side sets up the recess, and O type jump ring 7 card realizes fixing bearing 6 centre gripping in the recess. Wherein the bearing 6 is arranged on the non-threaded section of the screw rod 4.
In a further embodiment, the sleeve 8 is sleeved on the two ends of the screw rod 4 at the connecting position with the cover plate 11 and the base plate 13 respectively and the driving shaft 92 at the rotating connecting position with the cover plate 11. The friction between the sleeve 8 and the cover plate 11 and the base plate 13 is reduced and the noise is reduced by the arrangement of the sleeve 8. Wherein the sleeve 8 is preferably a ball sleeve.
Of the above, the cover plate 11 and the base plate 13 are preferably fixed to the housing 12 by screws.
In the above-mentioned push rod structure, motor 3 is fixed through keeping ware 10, keeps ware 10 to realize fixedly through side and 12 butts of casing and lock joint, and the both ends of lead screw 4 are fixed on apron 11 and base plate 13 through sleeve 8 to set up bearing 6 from near non-threaded section position of driving wheel 93, bearing 6 is fixed through O type jump ring 7, consequently, inside need not adopt the fix with screw, the equipment is convenient. The shell 1 is coated on the outer sides of the screw rod 4, the motor 3 and the transmission structure 9, so that the screw rod 4 and the transmission structure 9 can be prevented from being stained with dust to influence the transmission stability, and the shell can also have a certain waterproof function.
In a preferred embodiment, the housing 12 is provided with a lug 121 on the outer side of the base plate 13, the lug 121 is provided with a screw through hole, the lug 121 is provided with a U-shaped groove 122 on the side facing the cover plate 11, and the screw through hole is provided in the U-shaped groove 122. The screw through hole is used for penetrating the screw to be connected with the automobile door, when the automobile door is installed, the polygonal nut of the screw is arranged in the U-shaped groove 122, and partial side line of the polygonal nut is attached to the side line of the U-shaped groove 122, so that the rotation of the screw is limited, and the automobile door is convenient to install.
The utility model discloses in, utilize motor 3 drive lead screw 4 to rotate for slider 5 drives connecting rod 2 and removes and realize its flexible, promotes opening or closing of automobile door, and slider 5 adopts and is formed by plastic rubber coating and the inside metal nut of cladding at plastic rubber coating, makes slider 5 and shell 1's internal face, slide rail contact part be the plastic rubber coating, consequently at the removal in-process, and the noise is littleer, can also lighten the quality, makes the transmission more steady. The motor 3 is fixed through keeping ware 10, keeps ware 10 to realize fixedly through side and 12 butts of casing and lock joint, and the both ends of lead screw 4 are fixed on apron 11 and base plate 13 through sleeve 8 to set up bearing 6 from near non-screw section position of driving wheel 93, bearing 6 is fixed through O type jump ring 7, consequently, inside need not adopt the fix with screw, the equipment is convenient. The shell 1 is coated outside the screw rod 4, the motor 3 and the transmission structure 9, so that the screw rod 4 and the transmission structure 9 can be prevented from being stained with dust to influence the transmission stability, and the waterproof function can be realized.
In the above structure, the stroke of the slider 5 can be controlled by controlling the rotation angle of the motor 3, or the movement stroke of the slider 5 can be limited by using the length of the thread section of the lead screw 4, that is, the maximum stroke of the slider 5 is that two ends of the slider 5 abut against two end wall surfaces of the first cavity 123.
In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims (10)

1. A push rod structure for an automobile door is characterized by comprising a shell, a motor, a screw rod, a sliding block and a connecting rod, wherein the shell comprises two cavities, the two cavities are respectively a first cavity and a second cavity, the screw rod is arranged in the first cavity, two ends of the screw rod are rotatably connected with the shell, the motor is fixed in the second cavity, the screw rod is arranged in parallel with a central shaft of the motor, an output shaft of the motor is connected with a transmission structure, and the motor is connected with one end of the screw rod through the transmission structure; the sliding block is in threaded connection with the middle part of the screw rod, and the connecting rod is arranged between the screw rod and the motor and is hinged to one side surface of the sliding block facing the motor; the shell mainly comprises base plate, casing and apron, and first cavity and second cavity are established on the casing, and the apron lid is in transmission structure's the outside, apron one end and casing fixed connection, and the one end of apron is kept away from to the casing is fixed to the base plate, and the outside of base plate is worn out to connecting rod one end, and the both ends of lead screw rotate respectively to be connected on apron and base plate.
2. The push rod structure for automobile door according to claim 1, wherein a retainer is provided between the motor and the transmission structure, the retainer is provided with a snap on a side surface close to the screw rod, the housing is provided with a snap fitting position, the retainer is fixed to the housing by the snap fitting with the snap fitting position, and the motor is pressed and fixed.
3. The push rod structure for the door of the automobile as claimed in claim 2, wherein the transmission structure comprises a driving shaft fixed to the output shaft of the motor, a driving wheel fixed to the middle portion of the driving shaft, and a driven wheel fixed to one end of the lead screw and engaged with the driving wheel, the driving shaft being rotatably connected to the cover plate at an end remote from the motor.
4. The push rod structure for the automobile door as claimed in claim 3, wherein the screw rod is sleeved with a bearing between the driven wheel and the slider, and the bearing is fixed on the housing by an O-shaped snap spring.
5. The push rod structure for automobile door according to claim 4, wherein the sleeve is fitted over both ends of the screw rod at the connection position with the cover plate and the base plate, respectively, and the drive shaft at the rotation connection position with the cover plate.
6. The push rod structure for an automobile door according to claim 1, wherein the cover plate and the base plate are fixed to the housing by screws.
7. The push rod structure for an automobile door according to claim 1, wherein the first cavity has a slide rail provided on an inner wall surface thereof and protruding in a longitudinal direction, and the slide block has a slide groove engaged with the slide rail.
8. The push rod structure for automobile door as claimed in claim 1, wherein the housing is provided with a lug at an outer side of the base plate, the lug is provided with a screw through-hole, the lug is provided with a U-shaped groove at a side facing the cover plate, and the screw through-hole is provided in the U-shaped groove.
9. The push rod structure for an automobile door according to claim 1, wherein the slider is formed of a plastic rubber and a metal nut coated inside the plastic rubber, and the link is fixed to the metal nut by a pin.
10. The push rod structure for an automobile door according to claim 9, wherein the metal nut is a square nut.
CN202020246811.0U 2020-03-03 2020-03-03 Push rod structure for automobile door Active CN212296038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020246811.0U CN212296038U (en) 2020-03-03 2020-03-03 Push rod structure for automobile door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020246811.0U CN212296038U (en) 2020-03-03 2020-03-03 Push rod structure for automobile door

Publications (1)

Publication Number Publication Date
CN212296038U true CN212296038U (en) 2021-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020246811.0U Active CN212296038U (en) 2020-03-03 2020-03-03 Push rod structure for automobile door

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111287600A (en) * 2020-03-03 2020-06-16 佛山市速时代科技有限公司 Push rod structure for automobile door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111287600A (en) * 2020-03-03 2020-06-16 佛山市速时代科技有限公司 Push rod structure for automobile door

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