CN220747982U - Guide mechanism of electric stay bar of car trunk door - Google Patents
Guide mechanism of electric stay bar of car trunk door Download PDFInfo
- Publication number
- CN220747982U CN220747982U CN202322192873.4U CN202322192873U CN220747982U CN 220747982 U CN220747982 U CN 220747982U CN 202322192873 U CN202322192873 U CN 202322192873U CN 220747982 U CN220747982 U CN 220747982U
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- axial
- guide
- rod
- wall
- casing
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- 239000000463 material Substances 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011324 bead Substances 0.000 abstract 1
- 230000008093 supporting effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
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Abstract
The utility model provides a guiding mechanism of electronic vaulting pole of car luggage compartment door, includes the reducing mechanism casing, the reducing mechanism casing comprises right casing and left casing fixed connection, and the inner wall of two casings is provided with the axial spacing groove that is used for the axial location to the guide bar respectively, and two axial spacing groove symmetries, the tail end of guide bar is equipped with the axle location flange, and the guide bar passes through axle location flange and axial spacing groove cooperation, and axial location is in the reducing mechanism casing, be provided with axial bulge on the axle location flange, be equipped with the anti-rotation spacing groove that supplies axial bulge male in the axial spacing groove, axial bulge on the axle location flange forms circumference spacing with anti-rotation spacing groove cooperation, prevents that the guide bar from rotating, and the shaft hole inner wall of guide bar is equipped with the guide chute of axial extension, and a telescopic link forms sliding fit with the guide chute through the guide bead that the outer wall set up, a screw rod is located the telescopic link shaft hole, the telescopic link passes through the inner wall setting nut and screw rod cooperation.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to a guiding mechanism of an electric stay bar of a trunk door of a car.
Background
The electric supporting rod mechanism of the car trunk door is widely applied, but has some defects, the guide mechanism of the existing electric supporting rod is only matched with a screw rod and a telescopic rod, and the outer wall of the telescopic rod is directly sleeved with a tension spring; when the luggage compartment door is opened and closed manually and rapidly, the supporting rod mechanism is axially stressed, but the compressive strength is insufficient, and the matching part of the screw rod and the telescopic rod is easy to deform, so that abnormal sound is caused, and the opening and closing of the car door are influenced; the brace rod mechanism is easy to bend and deform after being loaded in the radial direction, and the radial bending strength of the mechanism is insufficient. Therefore, how to solve the above problems has been an important study.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a guide mechanism of an electric stay bar of a trunk door of a car, which is characterized in that a guide bar is arranged on the outer wall of a telescopic bar, and an extension spring is sleeved on the outer wall of the guide bar, so that a screw, the telescopic bar, the guide bar and the extension spring are on the same axis, the guide bar shares the radial load of the screw and the telescopic bar, the radial bending strength of the guide mechanism is enhanced, and the radial bearing capacity of the guide mechanism is improved; meanwhile, the tail end of the guide rod is provided with an axial limiting groove for inserting the axial limiting flange, the guide rod is axially limited and fixed, and an axial protruding part is arranged on the axial limiting groove and inserted into the anti-rotation limiting groove in the axial limiting groove, so that circumferential limiting of the guide rod is realized, circumferential and radial movement of the guide rod are better prevented, the stability of the guide mechanism is improved, and a guide ring is fixedly connected to the head end of the guide rod, so that sliding fit of the guide rod and the telescopic rod is more stable, and radial runout is eliminated; still further set up the direction spout at the inner wall of guide bar, with the spacing sliding fit in direction protruding muscle circumference of telescopic link outer wall, prevent that the telescopic link during operation from producing circumferential rotation, avoid causing abnormal sound bad, improved guiding mechanism's stability and compressive capacity.
The purpose of the utility model is realized in the following way:
the utility model provides a guiding mechanism of electronic vaulting pole of car luggage compartment door, includes the reducing mechanism casing, the reducing mechanism casing comprises right casing and left casing fixed connection, the inner wall of right casing, left casing is provided with the axial spacing groove that is used for to guide bar axial location respectively, and two axial spacing groove symmetries, the tail end of guide bar is equipped with the axle location flange, the guide bar passes through axle location flange and axial spacing groove cooperation, and axial location is in the reducing mechanism casing, be provided with axial bulge on the axle location flange, be equipped with the anti-rotation spacing groove that supplies axial bulge male, axial bulge on the axle location flange forms circumference spacing with anti-rotation spacing groove cooperation for prevent the guide bar rotation, the shaft hole inner wall of guide bar is equipped with the guide chute of axial extension, and a telescopic link is assembled in the shaft hole of guide bar, and the guide chute that axial extension through telescopic link outer wall tail end setting forms circumference spacing sliding fit, a screw rod is located the telescopic link shaft hole, the telescopic link passes through the inner wall setting nut and screw rod cooperation, the motor passes through the reducing mechanism connection, a guide bar has a fixed connection with the guide collar, telescopic link.
The head end outer wall fixedly connected with free end joint of telescopic link, telescopic link and the inner wall screw thread fit that the free end connects, the cover has a extension spring on the guide bar, extension spring's head end and free end joint fixed connection, extension spring's tail end and the head end fixed connection of reduction gears casing, the tail end and the stiff end joint fixed connection of reduction gears casing, the tail end of screw rod passes through the bearing support in the stiff end joint.
The guide ring is inserted into the guide rod and is clamped and matched with the clamping groove on the wall of the guide rod through the elastic limiting clamp on the guide ring.
The guide ring is made of polyformaldehyde or polyether-ether-ketone material, and the guide rod is made of resin material.
The combined surface of the left shell and the right shell is provided with a pin, the other shell is provided with a pin hole, the positions of the pin and the pin hole are symmetrical, and the left shell and the right shell are fixedly connected by screws after being folded in opposite directions.
The number of the axial protruding parts on the shaft positioning flange is two, and the number of the anti-rotation limiting grooves is two.
The axial protruding parts are boss structures or tooth structures which are symmetrically arranged.
With the adoption of the scheme, the guiding mechanism of the electric supporting rod of the car trunk door comprises a speed reducing mechanism shell, the speed reducing mechanism shell is formed by fixedly connecting a right shell and a left shell, the inner walls of the right shell and the left shell are respectively provided with axial limiting grooves for axially positioning the guiding rod, the two axial limiting grooves are symmetrical, the tail end of the guiding rod is provided with a shaft positioning flange, the guiding rod is matched with the axial limiting grooves through the shaft positioning flange, the axial positioning is in the speed reducing mechanism shell, the axial direction of the guiding rod is prevented from jumping, the stability of the mechanism is improved, the shaft positioning flange is provided with an axial protruding part, the axial protruding part on the shaft positioning flange is matched with the anti-rotation limiting grooves to form a circumferential limiting groove, the circumferential limiting groove is used for preventing the guiding rod from rotating, the circumferential limiting of the guiding rod is prevented from circumferential and radial jumping, the stability of the guiding rod is prevented, the inner wall of a shaft hole of the guiding rod is provided with an axially extending guiding chute, a telescopic rod is assembled in the shaft hole of the guiding rod, the telescopic rod is arranged in the shaft hole of the guiding rod, the telescopic rod is matched with the guiding rod through the axially extending guiding rib arranged at the tail end of the outer wall of the guiding rod, the telescopic rod is prevented from sliding along the circumferential limiting groove, the guiding rod is prevented from sliding along the inner wall of the guiding rod, the guiding rod is matched with the guiding rod through the axial limiting groove, the telescopic rod is prevented from sliding along the axial limiting groove, the axial limiting groove is matched with the guiding rod, and the guiding rod is prevented from sliding along the axial limiting groove, and the guiding rod is prevented from sliding along the guiding rod, and the guiding rod can be stably by sliding along the car, and the car, and the radial runout of the head end of the guide rod is eliminated.
The guide mechanism of the electric stay bar of the car trunk door has stable structure, eliminates radial runout and axial runout of the guide mechanism, enhances the radial and axial bending strength of the guide mechanism, and improves the radial and axial bearing capacity of the mechanism.
The utility model is further described below with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic structural view of an electric stay for a trunk door of a car according to the present utility model.
Fig. 2 is a cross-sectional view taken along A-A in fig. 1.
Fig. 3 is a schematic perspective view of the guide mechanism of the present utility model.
Fig. 4 is a schematic structural view of the guide mechanism of the present utility model.
Fig. 5 is a perspective view of the guide bar.
Fig. 6 is a perspective view of the guide bar.
Fig. 7 is a perspective view of the left housing.
Fig. 8 is a perspective view of the right housing.
Reference numerals illustrate: the guide rod 1, the guide chute 1-1, the axial protruding part 1-2, the clamping groove 1-4, the telescopic rod 2, the guide ring 3, the screw 4, the right shell 5-1, the left shell 5-2, the tension spring 6, the fixed end connector 7, the free end connector 8, the threaded blind hole 9, the guide protruding rib 10, the external thread 11, the speed reducing mechanism 12, the pin 13, the pin hole 14, the shaft positioning flange 15, the nut 16, the axial limiting groove 17, the threaded through hole 18, the anti-rotation limiting groove 19 and the motor mounting part 20.
Detailed Description
Referring to fig. 1 to 8, a guiding mechanism for an electric stay bar of a trunk door of a car, comprising a speed reducing mechanism housing, is characterized in that: the speed reducing mechanism shell is formed by fixedly connecting a right shell 5-1 and a left shell 5-2, axial limiting grooves 17 for axially positioning the guide rod 1 are respectively formed in the inner walls of the right shell 5-1 and the left shell 5-2, the two axial limiting grooves 17 are symmetrical, the two axial limiting grooves 17 are folded in opposite directions to form a circular limiting groove, the tail end of the guide rod 1 is provided with an axial positioning flange 15, the guide rod 1 is matched with the axial limiting grooves 17 through the axial positioning flange 15, the guide rod 1 is axially positioned in the speed reducing mechanism shell, the guide rod 1 is prevented from moving along the axial direction, the stability of the guide mechanism is improved, two axially protruding axial protruding portions 1-2 for inserting the axial protruding portions 1-2 are arranged in the axial limiting grooves 17, the axial protruding portions 1-2 on the axial positioning flange 15 are matched with the anti-rotation limiting grooves 19 to form circumferential limiting grooves for preventing the guide rod 1 from rotating, the guide rod 1 from rotating in the circumferential direction and preventing the guide rod 1 from moving in the radial direction, the stability of the guide rod 1 is improved, and the number of the two axial protruding portions are realized in the axial positioning mode. The axial protruding parts are boss structures or tooth structures which are symmetrically arranged. The axial hole inner wall of the guide rod 1 is provided with an axially extending guide chute 1-1, a telescopic rod 2 is assembled in the axial hole of the guide rod 1, and an axially extending guide rib 10 arranged at the tail end of the outer wall of the telescopic rod 2 forms a circumferential limit sliding fit with the guide chute 1-1 of the guide rod 1, so that the telescopic rod 2 is prevented from rotating circumferentially during working, lateral displacement of the telescopic rod 2 after being pressed by a resisting guide mechanism is avoided, and the compression resistance of the guide mechanism is improved. A screw rod 4 is located telescopic link 2 shaft hole, telescopic link 2 sets up the external screw thread 11 cooperation of nut 16 and screw rod 4 through the inner wall, screw rod 4 passes through reduction gears 12 and connects the motor, and motor drive screw rod 4 rotates along self axis, and screw rod 4 gives telescopic link 2 with power transmission simultaneously, and telescopic link 2 converts the rotary motion of screw rod 4 into rectilinear motion, nut 16 and telescopic link 2 integrated into one piece are located telescopic link 2's inner wall one end, the first fixedly connected with guide ring 3 of guide bar 1, guide ring 3 and telescopic link 2 sliding fit make guide bar 1, telescopic link 2 sliding fit portion more stable, eliminate guide bar 1 first end radial runout, increase guide mechanism stability.
In this embodiment, the outer wall of the head end of the telescopic rod 2 is fixedly connected with a free end connector 8, the telescopic rod 2 is in threaded fit with the inner wall of the free end connector 8, a tension spring 6 is sleeved on the guide rod 1, the head end of the tension spring 6 is fixedly connected with the free end connector 8, the tail end of the tension spring 6 is fixedly connected with the head end of a speed reducing mechanism shell, the tail end of the speed reducing mechanism shell is fixedly connected with a fixed end connector 7, and the tail end of the screw 4 is supported in the fixed end connector 7 through a bearing.
In this embodiment, the guide ring 3 is inserted into the guide rod 1, and is engaged with the engaging groove 1-4 on the wall of the guide rod 1 by the elastic limit clip on the guide ring 3.
In this embodiment, the guide ring 3 is made of polyoxymethylene or polyetheretherketone, and this material has a low friction coefficient and can also have a good supporting effect, and the guide ring 3 is slidably engaged with the telescopic rod 2, so that the telescopic rod 2 stretches out and draws back more smoothly. The guide rod 1 is made of resin materials, so that the cost is low, the weight is low, the product is lighter, and the production and popularization are facilitated.
In this embodiment, on the joint surface of the left casing 5-2 and the right casing 5-1, one casing is provided with a pin 13, the other casing is provided with a pin hole 14, the positions of the pin 13 and the pin hole 14 are symmetrical, the left casing 5-2 and the right casing 5-1 are fixedly connected by screws after being folded in opposite directions, the left casing 5-2 is provided with a threaded blind hole 9, the right casing 5-1 is provided with a threaded through hole 18, the screws pass through the threaded through hole 18 and the threaded blind hole 9 to fixedly connect the two casings, the left casing 5-2 is integrally formed with a motor mounting part 20, and the motor is mounted in an inner cavity of the motor mounting part 20.
Claims (7)
1. The utility model provides a guiding mechanism of electronic vaulting pole of car luggage compartment door, includes reducing mechanism casing, its characterized in that: the speed reducing mechanism shell is formed by fixedly connecting a right shell (5-1) and a left shell (5-2), axial limiting grooves (17) for axially positioning the guide rod (1) are respectively formed in the inner walls of the right shell (5-1) and the left shell (5-2), the two axial limiting grooves (17) are symmetrical, an axial positioning flange (15) is arranged at the tail end of the guide rod (1), the guide rod (1) is matched with the axial limiting grooves (17) through the axial positioning flange (15), the axial positioning is in the speed reducing mechanism shell, an axial protruding part (1-2) is arranged on the axial positioning flange (15), an anti-rotation limiting groove (19) for inserting the axial protruding part (1-2) is formed in the axial limiting groove (17), the axial protruding part (1-2) on the axial positioning flange (15) is matched with the anti-rotation limiting groove (19) to form circumferential limiting, an axially extending guide chute (1-1) is arranged on the inner wall of the guide rod (1), an axially extending guide rod (2) is assembled at the tail end of the guide rod (1) through the axial protruding part (1) and the axially extending guide rib (1) is arranged on the outer wall of the guide rod (1), a screw rod (4) is located telescopic link (2) shaft hole, telescopic link (2) are through inner wall setting nut (16) and screw rod (4) cooperation, screw rod (4) are through reducing gear (12) connection motor, the first end fixedly connected with guide ring (3) of guide bar (1), guide ring (3) and telescopic link (2) sliding fit.
2. The guide mechanism for a car trunk door electric stay according to claim 1, wherein: the telescopic rod is characterized in that a free end connector (8) is fixedly connected to the outer wall of the head end of the telescopic rod (2), the telescopic rod (2) is in threaded fit with the inner wall of the free end connector (8), an extension spring (6) is sleeved on the guide rod (1), the head end of the extension spring (6) is fixedly connected with the free end connector (8), the tail end of the extension spring (6) is fixedly connected with the head end of a speed reducing mechanism shell, the tail end of the speed reducing mechanism shell is fixedly connected with a fixed end connector (7), and the tail end of the screw rod (4) is supported in the fixed end connector (7) through a bearing.
3. The guide mechanism for a car trunk door electric stay according to claim 1, wherein: the guide ring (3) is inserted into the guide rod (1) and is clamped and matched with the clamping groove (1-4) on the wall of the guide rod (1) through the elastic limiting clamp on the guide ring (3).
4. A guide mechanism for a power stay for a trunk door of a car according to claim 1 or 3, wherein: the guide ring (3) is made of polyformaldehyde or polyether-ether-ketone material, and the guide rod (1) is made of resin material.
5. The guide mechanism for a car trunk door electric stay according to claim 1, wherein: on the faying surface of left casing (5-2), right casing (5-1), one of them casing is provided with pin (13), and another casing is provided with pinhole (14), the position symmetry of pin (13) and pinhole (14), the back is folded in opposite directions with screw fixed connection to left casing (5-2), right casing (5-1).
6. The guide mechanism for a car trunk door electric stay according to claim 1, wherein: the number of the axial protruding parts (1-2) on the shaft positioning flange (15) is two, and the number of the anti-rotation limiting grooves (19) is two.
7. The guide mechanism for a car trunk door electric stay according to claim 1 or 6, wherein: the axial protruding parts (1-2) are symmetrically arranged boss structures or protruding tooth structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192873.4U CN220747982U (en) | 2023-08-15 | 2023-08-15 | Guide mechanism of electric stay bar of car trunk door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192873.4U CN220747982U (en) | 2023-08-15 | 2023-08-15 | Guide mechanism of electric stay bar of car trunk door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220747982U true CN220747982U (en) | 2024-04-09 |
Family
ID=90559563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322192873.4U Active CN220747982U (en) | 2023-08-15 | 2023-08-15 | Guide mechanism of electric stay bar of car trunk door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220747982U (en) |
-
2023
- 2023-08-15 CN CN202322192873.4U patent/CN220747982U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |