CN215108276U

CN215108276U - Electric tail gate supporting rod with double-bearing structure

Info

Publication number: CN215108276U
Application number: CN202120292199.5U
Authority: CN
Inventors: 卢飞雨
Original assignee: Guangzhou Changyi Auto Parts LLC
Current assignee: Guangzhou Changyi Auto Parts LLC
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-12-10
Anticipated expiration: 2031-02-02

Abstract

The electric tail gate support rod with the double-bearing structure comprises a motor sleeve, a motor gearbox and a lead screw, wherein the motor is assembled with the motor gearbox, the motor is fixed in the motor sleeve, one end of the lead screw is connected with the motor gearbox, one end, close to the motor gearbox, of the lead screw is provided with a first bearing and a second bearing in a sleeved mode, the first bearing and the second bearing are arranged at intervals, and the first bearing and the second bearing are both fixed with the motor sleeve. The utility model discloses a two bearings are established to the spaced cover on the lead screw, make the lead screw have a plurality of strong points, avoid the lead screw to establish the lead screw that single strong point lever structure that single bearing formed and lead to because of the cover and produce the slope, effectively guarantee the axiality of motor and lead screw, avoid the vaulting pole to influence the life of motor gearbox at the deformation that the during operation takes place.

Description

Electric tail gate supporting rod with double-bearing structure

Technical Field

The utility model relates to an electronic tail-gate vaulting pole technical field especially relates to an electronic tail-gate vaulting pole of duplex bearing structure.

Background

With the rapid development of automotive electronics, the comfort and richness of the vehicle use function are increasingly improved. As a convenient device for opening and closing the tail gate, the electric tail gate support rod of the automobile brings convenience to the life of people and simultaneously faces the sectioning requirements of comfort, safety and stability.

The electronic vaulting pole of car tail-gate in market is provided power by the motor, turn into rotary motion linear motion through the lead screw, realize that the flexible of electronic tail-gate vaulting pole is opened and is closed for the car tail-gate, the stroke of having different according to the motorcycle type design, wherein the stroke is big more the more highly requires highly to the axiality of motor and lead screw, electronic vaulting pole in the present market adopts the motor to add single bearing and drives the lead screw work, the axiality of this kind of structure when bearing and lead screw equipment requires very high, especially the vaulting pole of big stroke, the vaulting pole will influence the life of motor transmission at the deformation that the during operation takes place.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid the weak point among the prior art and provide an electronic tail-gate vaulting pole of two bearing structures, the axiality of motor and lead screw can be guaranteed to this electronic tail-gate vaulting pole of two bearing structures, avoids the vaulting pole to influence the life of motor gearbox at the deformation that the during operation takes place.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an electronic tail-gate vaulting pole of double-bearing structure, including motor sleeve, motor gearbox and lead screw, the motor with the assembly of motor gearbox, the motor with motor gearbox fixes in the motor sleeve, the one end of lead screw with motor gearbox connects, the lead screw is close to motor gearbox's pot head is equipped with first bearing and second bearing, first bearing with the second bearing interval sets up, first bearing with the second bearing all with motor sleeve is fixed. Two bearings are arranged on the screw rod in a sleeved mode at intervals, the screw rod is provided with a plurality of supporting points, the phenomenon that the screw rod is inclined due to the fact that the screw rod is sleeved with a single supporting point lever structure formed by a single bearing is avoided, coaxiality of the motor and the screw rod is effectively guaranteed, and the phenomenon that the service life of a motor gearbox is influenced due to deformation of the supporting rod during working is avoided.

Furthermore, a gearbox damping sleeve is sleeved at one end, close to the screw rod, of the motor gearbox. The gearbox damping sleeve sleeved at one end of the motor gearbox close to the screw rod is used for reducing vibration caused by the motor during working.

Furthermore, the front end sleeve of the gearbox damping sleeve is provided with a motor fixing seat for fixing the motor, the rear end of the motor fixing seat is fixed with the gearbox damping sleeve, and the side surface of the motor fixing seat is fixed with the motor sleeve. The motor and the motor gearbox are fixed in the motor sleeve through the motor fixing seat.

Furthermore, a screw rod bushing is fixed at one end of the screw rod, a conduit assembly is sleeved outside the screw rod, one end of the conduit assembly is fixed with the motor sleeve, and a conduit assembly sealing ring is arranged between the conduit assembly and the motor sleeve. Guarantee through the screw rod bush that the lead screw can be at the pipe subassembly internal rotation, the pipe subassembly sealing washer of setting can prevent that steam from passing through the pipe subassembly outer wall and getting into inside, causing inside destruction.

Furthermore, the lead screw sleeve is provided with a damper, the damper is located between the first bearing and the second bearing, a protrusion is arranged at one end of the damper, a matching groove matched with the protrusion is arranged at one end of the conduit assembly, and the damper and the conduit assembly are fixed. An adjustable damper is arranged between the two bearings, so that the force value precision requirement on the power spring and the requirement on large torque of the motor are reduced, and the precision requirement on the assembly process is greatly reduced.

Furthermore, the first bearing is located the rear end of attenuator, the second bearing is located the front end of attenuator, the first bearing with the second bearing all not with motor sleeve is fixed, the rear end of first bearing is provided with and is used for with first bearing chucking is in jump ring on the attenuator, the rear end of second bearing is provided with and is used for with the second bearing chucking is in the hoop ring on the pipe subassembly, the front and back end of second bearing all is provided with the bearing gasket. For the first bearing is locked by a snap spring, the second bearing is locked on the catheter component by a hoop.

Furthermore, a screw rod sealing ring is fixed between the screw rod bushing and the conduit assembly, and a noise reduction ring is arranged at the other end of the conduit assembly. The lead screw sealing washer that sets up can prevent that steam from passing through the lead screw outer wall and getting into inside, causes inside destruction, and the ring of making an uproar falls in conduit subassembly setting can prevent that nut pipe direct contact on conduit subassembly and the lead screw from producing dry friction, noise reduction.

Furthermore, a spring, an inner pipe and an outer pipe are sequentially sleeved outside the catheter assembly. The spring that the pipe assembly overcoat was established is helping hand spring, and inner tube and outer tube are used for protecting inner structure.

Further, a motor outer pipe is sleeved outside the motor sleeve. The motor outer tube that the motor cover pipe overcoat was established is used for protecting structures such as the inside motor of outer tube.

Further, an outer tube waterproof sealing ring is arranged between the outer tube and the outer tube of the motor. The outer tube with the waterproof sealing washer of outer tube that sets up between the motor sleeve pipe can prevent that steam from getting into inside through the inner tube outer wall in the outer tube, causing inside destruction.

The utility model has the advantages that: the utility model discloses an electronic tail-gate vaulting pole of duplex bearing structure, this electronic tail-gate vaulting pole of duplex bearing structure include motor sleeve, motor gearbox and lead screw, the motor with the assembly of motor gearbox, the motor with motor gearbox fixes in the motor sleeve, the one end of lead screw with motor gearbox connects, the lead screw is close to motor gearbox's pot head is equipped with first bearing and second bearing, first bearing with the second bearing interval sets up, first bearing with the second bearing all with motor sleeve is fixed. The utility model discloses a two bearings are established to the spaced cover on the lead screw, make the lead screw have a plurality of strong points, avoid the lead screw to establish the lead screw that single strong point lever structure that single bearing formed and lead to because of the cover and produce the slope, effectively guarantee the axiality of motor and lead screw, avoid the vaulting pole to influence the life of motor gearbox at the deformation that the during operation takes place.

Drawings

The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.

Fig. 1 is a schematic view of the overall structure of an electric tailgate brace with a double-bearing structure according to the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an exploded view of the structure of the screw and the second bearing.

FIG. 4 is an exploded view of a duct assembly, a duct assembly seal ring and a noise reduction ring.

Fig. 5 is an exploded view of the screw, damper and first bearing.

Fig. 6 is an exploded view of a motor and motor sleeve, etc.

The figure includes:

the motor comprises a motor sleeve 1, a motor 2, a motor gearbox 3, a screw rod 4, a first bearing 5, a second bearing 6, a gearbox damping sleeve 7, a motor fixing seat 8, a screw rod bushing 9, a conduit assembly 10, a conduit assembly sealing ring 11, a damper 12, a clamp spring 13, a hoop ring 14, a bearing gasket 15, a screw rod sealing ring 16, a noise reduction ring 17, a spring 18, an inner pipe 19, an outer pipe 20, a motor outer pipe 21 and an outer pipe waterproof sealing ring 22.

Detailed Description

The invention will be further described with reference to the following examples.

Examples

The electronic tail-gate vaulting pole of duplex bearing structure of this embodiment, as shown in fig. 1-6, including motor sleeve 1, motor 2, motor transmission 3 and lead screw 4, motor 2 with motor transmission 3 assembles, motor 2 with motor transmission 3 fixes in the motor sleeve 1, the one end of lead screw 4 with motor transmission 3 connects, lead screw 4 is close to motor transmission 3's an pot head is equipped with first bearing 5 and second bearing 6, first bearing 5 with 6 intervals of second bearing set up, first bearing 5 with second bearing 6 all with motor sleeve 1 is fixed. Two bearings are arranged on the screw rod 4 in a sleeved mode at intervals, the screw rod 4 is provided with a plurality of supporting points, the screw rod 4 is prevented from inclining due to the fact that the screw rod 4 is sleeved with a single supporting point lever structure formed by a single bearing, coaxiality of the motor 2 and the screw rod 4 is effectively guaranteed, and the fact that the service life of the motor gearbox 3 is influenced by deformation of the supporting rods during working is avoided.

One end of the motor gearbox 3 close to the screw rod 4 is sleeved with a gearbox damping sleeve 7. The gearbox damping sleeve 7 sleeved at one end of the motor gearbox 3 close to the screw rod 4 is used for reducing vibration caused by the working of the motor 2.

The front end sleeve of gearbox damping sleeve 7 is equipped with and is used for fixing motor 2's motor fixing base 8, the rear end of motor fixing base 8 with gearbox damping sleeve 7 is fixed, the side of motor fixing base 8 with motor sleeve 1 is fixed. The motor 2 and the motor gearbox 3 are fixed in the motor sleeve 1 through a motor fixing seat 8.

A screw rod bushing 9 is fixed at one end of the screw rod 4, a duct assembly 10 is sleeved outside the screw rod 4, one end of the duct assembly 10 is fixed with the motor sleeve 1, and a duct assembly sealing ring 11 is arranged between the duct assembly 10 and the motor sleeve 1. The screw rod 4 can be ensured to rotate in the conduit assembly 10 through the screw rod bushing 9, and the arranged seal ring 11 of the conduit assembly can prevent water vapor from entering the interior through the outer wall of the conduit assembly 10 to cause internal damage.

The lead screw 4 is sleeved with a damper 12, the damper 12 is located between the first bearing 5 and the second bearing 6, a protrusion is arranged at one end of the damper 12, a matching groove matched with the protrusion is arranged at one end of the duct assembly 10, and the damper 12 is fixed with the duct assembly 10. An adjustable damper 12 is arranged between the two bearings, so that the force value precision requirement on the power spring and the requirement on large torque of the motor are reduced, and the precision requirement on the assembly process is also greatly reduced.

The utility model discloses a damping device, including first bearing 5, second bearing 6, motor sleeve 1, first bearing 5, second bearing 6, first bearing 5 is located the rear end of attenuator 12, second bearing 6 is located the front end of attenuator 12, first bearing 5 with second bearing 6 all not with motor sleeve 1 is fixed, the rear end of first bearing 5 is provided with and is used for with first bearing 5 chucking jump ring 13 on the attenuator 12, the rear end of second bearing 6 is provided with and is used for with second bearing 6 chucking is in embrace hoop 14 on the pipe subassembly 10, the front and back end of second bearing 6 all is provided with bearing pad 15. For the first bearing 5 to be locked by the circlip 13, the second bearing 6 is locked to the catheter assembly 10 by the hoop ring 14.

A screw seal ring 16 is fixed between the screw bushing 9 and the duct assembly 10, and a noise reduction ring 17 is arranged at the other end of the duct assembly 10. The lead screw sealing washer 16 that sets up can prevent that steam from passing through the lead screw 4 outer wall and getting into inside, causes inside destruction, and the ring 17 of making an uproar falls of tubing assembly 10 setting can prevent that nut pipe direct contact on tubing assembly 10 and the lead screw 4 from producing dry friction, noise reduction.

The catheter assembly 10 is sleeved with a spring 18, an inner tube 19 and an outer tube 20 in sequence. The spring 18 provided around the catheter assembly 10 is a power spring, and the inner tube 19 and the outer tube 20 are used to protect the internal structure.

The motor sleeve 1 is externally sleeved with a motor outer tube 21. The motor outer tube 22 sleeved on the motor sleeve 1 is used for protecting the motor and other structures inside the outer tube 1.

An outer tube waterproof sealing ring 22 is arranged between the outer tube 20 and the motor outer tube 21. The outer tube waterproof sealing ring 22 arranged between the outer tube 20 and the motor outer tube 21 can prevent water vapor from entering the inner part through the outer wall of the inner tube 19 in the outer tube 20 to cause internal damage.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an electronic tail-gate vaulting pole of duplex bearing structure which characterized in that: including motor sleeve, motor gearbox and lead screw, the motor with the assembly of motor gearbox, the motor with the motor gearbox is fixed in the motor sleeve, the one end of lead screw with the motor gearbox is connected, the lead screw is close to a pot head of motor gearbox is equipped with first bearing and second bearing, first bearing with the second bearing interval sets up, first bearing with the second bearing all with the motor sleeve is fixed.

2. The electric tailgate stay bar of double bearing structure according to claim 1, wherein: one end of the motor gearbox, which is close to the screw rod, is sleeved with a gearbox damping sleeve.

3. The electric tailgate stay of double bearing structure according to claim 2, wherein: the front end sleeve of gearbox shock attenuation cover is equipped with and is used for fixing the motor fixing base of motor, the rear end of motor fixing base with gearbox shock attenuation cover is fixed, the side of motor fixing base with motor sleeve pipe is fixed.

4. The electric tailgate stay bar of double bearing structure according to claim 1, wherein: a screw rod bushing is fixed at one end of the screw rod, a conduit assembly is sleeved outside the screw rod, one end of the conduit assembly is fixed with the motor sleeve, and a conduit assembly sealing ring is arranged between the conduit assembly and the motor sleeve.

5. The power tailgate stay of a double bearing structure as set forth in claim 4, wherein: the lead screw cover is equipped with the attenuator, the attenuator is located between first bearing and the second bearing, the one end of attenuator is provided with the arch, the one end of tubing assembly is provided with the cooperation the bellied cooperation groove, the attenuator with the tubing assembly is fixed.

6. The electric tailgate stay of double bearing structure according to claim 5, wherein: the utility model discloses a damping pipe assembly, including the pipe subassembly, first bearing, second bearing, motor sleeve, first bearing, the rear end of first bearing is located the rear end of attenuator, the second bearing is located the front end of attenuator, first bearing with the second bearing all not with motor sleeve is fixed, the rear end of first bearing be provided with be used for with first bearing chucking is in jump ring on the attenuator, the rear end of second bearing is provided with be used for with the second bearing chucking is in hoop on the pipe subassembly, the front and back end of second bearing all is provided with the bearing gasket.

7. The power tailgate stay of a double bearing structure as set forth in claim 4, wherein: and a screw rod sealing ring is fixed between the screw rod bushing and the conduit assembly, and a noise reduction ring is arranged at the other end of the conduit assembly.

8. The power tailgate stay of a double bearing structure as set forth in claim 4, wherein: the outer of the catheter component is sleeved with a spring, an inner tube and an outer tube in sequence.

9. The electric tailgate stay of double bearing structure according to claim 8, wherein: and a motor outer pipe is sleeved outside the motor sleeve.

10. The power tailgate stay of a double bearing structure as set forth in claim 9, wherein: an outer tube waterproof sealing ring is arranged between the outer tube and the motor outer tube.