阅读说明：本技术 一种撑杆电机线性反速阻尼器 (Linear counter-speed damper of strut motor ) 是由 张保国 胡小龙 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种撑杆电机线性反速阻尼器,包括外套管和内套管,所述外套管的一端安装有第一球窝组件,且外套管的另一端安装有内套管,并且内套管的外端安装有第二球窝组件,所述外套管的内部右端安装有反速阻尼器组件,且反速阻尼器组件的左端连接有电机组件,所述丝杆组件的内部右端设置有连接在齿轮组件表面的丝杆螺母,所述丝杆组件的左端安装有丝杆螺母限位螺帽。该撑杆电机线性反速阻尼器,能够使电动撑杆电机在开始运动时,阻尼器产生有效摩擦力,达到一定转速后,通过离心力内部结构开始运动,阻尼器摩擦力消失,撑杆电机运行在启动和停止过程中可以自由变化线性阻力,使其电机撑杆在开启和关闭往返过程中更加平稳可靠。(The invention discloses a linear counter-speed damper of a strut motor, which comprises an outer sleeve and an inner sleeve, wherein one end of the outer sleeve is provided with a first ball socket assembly, the other end of the outer sleeve is provided with the inner sleeve, the outer end of the inner sleeve is provided with a second ball socket assembly, the right end of the interior of the outer sleeve is provided with a counter-speed damper assembly, the left end of the counter-speed damper assembly is connected with a motor assembly, the right end of the interior of the screw assembly is provided with a screw nut connected to the surface of a gear assembly, and the left end of the screw nut is provided with a screw nut limit nut. This linear counter-speed attenuator of vaulting pole motor can make electronic vaulting pole motor when the initial motion, and the attenuator produces effective frictional force, reaches certain rotational speed after, through centrifugal force inner structure initial motion, the attenuator frictional force disappears, and the vaulting pole motor operation can freely change linear resistance at start-up and stop in-process, makes its motor vaulting pole open and close and come and go the in-process more steady reliable.)

1. The utility model provides a linear counter-speed attenuator of vaulting pole motor, includes outer tube (4) and interior sleeve pipe (8), its characterized in that: first ball-and-socket subassembly (1) is installed to the one end of outer tube (4), and the other end of outer tube (4) installs interior sleeve pipe (8) to second ball-and-socket subassembly (10) are installed to the outer end of interior sleeve pipe (8), anti-fast damper subassembly (2) is installed to the inside right-hand member of outer tube (4), and the left end of anti-fast damper subassembly (2) is connected with motor element (3), the left end of motor element (3) is fixed with gear assembly (5), and the surface connection of gear assembly (5) has lead screw subassembly (7), the inside right-hand member of lead screw subassembly (7) is provided with screw-nut (6) of connection on gear assembly (5) surface, screw-nut limit nut (9) are installed to the left end of lead screw subassembly (7).

2. The linear counter-speed damper of a strut motor as claimed in claim 1, wherein: the reverse-speed damper assembly (2) comprises a nylon rotating sleeve (2-1), a plastic cover (2-2), a nylon friction sleeve (2-3), a spring (2-4) and a stainless steel ball (2-5), the plastic cover (2-2) is installed at the top of the interior of the nylon rotating sleeve (2-1), the nylon friction sleeve (2-3) is arranged at the inner end of the lower portion of the plastic cover (2-2), and the stainless steel ball (2-5) is connected to the inner side of the plastic cover (2-2) through the spring (2-4).

3. The linear counter-speed damper of a strut motor as claimed in claim 1, wherein: the right end of the motor component (3) and the counter-speed damper component (2) form a clamping connection, and the counter-speed damper component (2) is symmetrically provided with two groups relative to the outer surface of the motor component (3).

4. The linear counter-speed damper of a strut motor as claimed in claim 1, wherein: the outer sleeve (4) comprises a left sleeve (4-1), a connecting jack (4-2) is formed in the surface of the right end of the left sleeve (4-1), and a fastening screw (4-3) is installed on the surface of the left sleeve (4-1).

5. The linear counter-speed damper of a strut motor as claimed in claim 1, wherein: the outer sleeve (4) comprises a right sleeve (4-4), connecting inserting rods (4-5) are arranged on the surface of the left end of the right sleeve (4-4) and the connecting inserting holes (4-2) in a one-to-one correspondence mode, and threaded holes (4-6) which are arranged in a one-to-one correspondence mode with the fastening screws (4-3) are formed in the surface of each connecting inserting rod (4-5).

6. The linear counter-speed damper of a strut motor as claimed in claim 1, wherein: the gear assembly (5) comprises a rotating disc (5-1) and a planetary wheel assembly (5-2), and the rotating disc (5-1) is located at the left end of the planetary wheel assembly (5-2).

7. The linear counter-speed damper of the strut motor as recited in claim 6, wherein: the planetary wheel assembly (5-2) comprises gear rings (5-21), fixed gears (5-22), movable gears (5-23) and connecting shafts (5-24), the fixed gears (5-22) are fixed at the right end of the screw rod assembly (7), the outer ends of the fixed gears (5-22) are meshed with the 3 movable gears (5-23), the outer ends of the movable gears (5-23) are meshed with the gear rings (5-21), the gear rings (5-21) are fixedly installed on a left end machine shell of the motor assembly (3), and the connecting shafts (5-24) in the middle of the movable gears (5-23) are fixed on the surface of the rotating disc (5-1).

8. The linear counter-speed damper of a strut motor as claimed in claim 1, wherein: the outer diameter of the feed screw nut (6) is equal to the inner diameter of the inner sleeve (8), and the inner sleeve (8) is connected with the outer sleeve (4) in a sliding mode.

Technical Field

The invention relates to the technical field of automobiles, in particular to a linear counter-speed damper of a strut motor.

Background

In the automobile market, the electric stay bar of the automobile tail gate is widely used all the time, along with the requirements of people on the functional convenience of vehicles, the technology is mature, the competition of vehicle types is accelerated, the electric tail gate is not limited to top vehicle distribution types for various vehicle enterprises, and a plurality of vehicle factories apply the electric tail gate to more vehicle types. The electric stay bar has the characteristics of reliable performance, sensitive action, relatively stable operation, good environmental adaptability and the like.

The existing stay bar is lower in the operation stability of the opening and closing back and forth process of the tail gate, the stay bar is difficult to stop at any position in a stroke range according to the requirements of a user, the internal structure of the stay bar is complex, the stay bar is inconvenient to disassemble for maintenance, and the practicability is lower.

Aiming at the problems, the linear counter-speed damper of the strut motor is innovatively designed on the basis of the original linear counter-speed damper of the strut motor.

Disclosure of Invention

The invention aims to provide a linear counter-speed damper of a stay bar motor, which aims to solve the problems that the conventional stay bar has low running stability in the opening and closing reciprocating process of a tail gate, is difficult to stay at any position in a stroke range according to the requirement of a user, has a complex internal structure, is inconvenient to disassemble and maintain inside the stay bar and has low practicability in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a linear reverse speed attenuator of vaulting pole motor, includes outer tube and interior sleeve pipe, first ball socket assembly is installed to the one end of outer tube, and the other end of outer tube installs interior sleeve pipe to the second ball socket assembly is installed to interior sheathed tube outer end, reverse speed attenuator subassembly is installed to the inside right-hand member of outer tube, and the left end of reverse speed attenuator subassembly is connected with motor element, motor element's left end is fixed with the gear assembly, and the surface of gear assembly is connected with the lead screw subassembly, the inside right-hand member of lead screw subassembly is provided with the screw-nut of connection on the gear assembly surface, screw-nut stop nut is installed to the left end of screw-nut subassembly.

Preferably, the counter-speed damper assembly comprises a nylon rotating sleeve, a plastic cover, a nylon friction sleeve, a spring and stainless steel balls, the plastic cover is mounted at the top inside the nylon rotating sleeve, the nylon friction sleeve is arranged at the inner end below the plastic cover, and the stainless steel balls are connected to the inner side of the plastic cover through the spring.

Preferably, the right end of the motor component and the reverse-speed damper component form a clamping connection, and the reverse-speed damper components are symmetrically provided with two groups relative to the outer surface of the motor component.

Preferably, the outer sleeve comprises a left sleeve, a connecting jack is formed in the surface of the right end of the left sleeve, and a fastening screw is mounted on the surface of the left sleeve and connected with a threaded hole of the inserted rod through the right sleeve.

Preferably, the outer sleeve comprises a right sleeve, the left end surface of the right sleeve is provided with connecting insertion rods in one-to-one correspondence with the connecting insertion holes, and threaded holes in one-to-one correspondence with the fastening screws are formed in the surface of the connecting insertion rods.

Preferably, the right end of the screw rod assembly and the motor assembly are provided with a rotating disc and a planet wheel assembly, and the rotating disc is positioned at the left end of the planet wheel assembly.

Preferably, the planet wheel assembly comprises a gear ring, a fixed gear, a movable gear and a connecting shaft, the fixed gear is fixed at the right end of the screw rod assembly, the outer end of the fixed gear is meshed with the movable gear, the outer end of the movable gear is meshed with the gear ring, the gear ring is fixedly installed inside the outer sleeve, and the connecting shaft in the middle of the movable gear is fixed on the surface of the rotating disc.

Preferably, the outer diameter of the screw nut is equal to the inner diameter of the inner sleeve, and the inner sleeve is connected with the outer sleeve in a sliding manner.

Compared with the prior art, the invention has the beneficial effects that: the linear counter-speed damper of the stay bar motor has the advantages that the structure of the damper mechanism is simple and compact, the main structure of the stay bar is not required to be changed, and the damper is convenient and practical.

1. Can be through the use of counter-speed attenuator subassembly, the convenience is through the use of nylon friction sleeve cooperation spring and stainless steel ball, can effectual buffer resistance, make electronic vaulting pole motor when the initial motion, the attenuator produces effective frictional force, reach certain rotational speed after, through centrifugal force inner structure initial motion, attenuator frictional force disappears, the vaulting pole motor operation can freely change linear resistance at start-up and stop process, make its motor vaulting pole open and close more steady reliable of round trip in-process.

2. The left pipe sleeve and the right pipe sleeve can be detached and used through the outer pipe sleeve, and the connecting inserted rod at the left end of the right pipe sleeve is inserted into the connecting inserting hole in the inner surface of the left pipe sleeve, so that the appearance sleeve is convenient to mount and detach, and the maintenance and replacement of devices in the stay bar are convenient;

3. can conveniently make this planet wheel go up the movable gear and use with the cooperation of fixed gear through the use of planet wheel subassembly, make things convenient for the effectual torsion that alleviates lead screw subassembly work and produce, improve the life of this vaulting pole motor.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the connection structure of the nylon rotary sleeve and the plastic cover of the present invention;

FIG. 3 is a schematic view of the connection structure of a spring and a stainless steel ball according to the present invention;

FIG. 4 is a schematic view of the outer sleeve structure according to the present invention;

FIG. 5 is a side view of the rotary plate of the present invention;

FIG. 6 is a schematic structural view of a planetary wheel assembly of the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a first ball and socket assembly; 2. a counter-speed damper assembly; 2-1, nylon rotating sleeve; 2-2, plastic cover; 2-3, nylon friction sleeve; 2-4, a spring; 2-5, stainless steel balls; 3. a motor assembly; 4. an outer sleeve; 4-1, a left pipe sleeve; 4-2, connecting the jacks; 4-3, fastening screws; 4-4, a right pipe sleeve; 4-5, connecting the inserted rod; 4-6, a threaded hole; 5. a gear assembly; 5-1, rotating a disc; 5-2, a planet wheel assembly; 5-21, a gear ring; 5-22, fixing a gear; 5-23, a movable gear; 5-24, a connecting shaft; 6. a feed screw nut; 7. a screw assembly; 8. an inner sleeve; 9. a lead screw nut limit nut; 10. a second ball and socket assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a linear counter-speed damper of a strut motor comprises an outer sleeve 4 and an inner sleeve 8, in order to enable the motor strut to be more stable and reliable in the opening and closing reciprocating process, a first ball socket component 1 is arranged at one end of the outer sleeve 4, the inner sleeve 8 is arranged at the other end of the outer sleeve 4, a second ball socket component 10 is arranged at the outer end of the inner sleeve 8, a counter-speed damper component 2 is arranged at the right end inside the outer sleeve 4, a motor component 3 is connected to the left end of the counter-speed damper component 2, the counter-speed damper component 2 comprises a nylon rotating sleeve 2-1, a plastic cover 2-2, a nylon friction sleeve 2-3, a spring 2-4 and a stainless steel ball 2-5, a plastic cover 2-2 is arranged at the top inside of the nylon rotating sleeve 2-1, and a nylon friction sleeve 2-3 is arranged at the inner end below the plastic cover 2-2, the inner side of the plastic cover 2-2 is connected with stainless steel balls 2-5 through springs 2-4, so that the damping is effectively increased, and the running stability of the support rod is improved; motor element 3's right-hand member constitutes the block with anti-fast attenuator subassembly 2 and is connected, and anti-fast attenuator subassembly 2 is provided with two sets ofly about motor element 3's surface symmetry, sleeve 8's stable roll-off in the convenience, motor element 3's left end is fixed with gear assembly 5, and gear assembly 5's surface is connected with lead screw assembly 7, lead screw assembly 7's inside right-hand member is provided with the screw-nut 6 of connection on gear assembly 5 surface, screw-nut limit nut 9 is installed to screw-nut 7's left end, the external diameter of screw-nut 6 equals with interior sleeve 8's internal diameter, and interior sleeve 8 is sliding connection with outer tube 4's connected mode, sleeve 8's roll-off in being convenient for.

Referring to fig. 1 and 4, in order to facilitate the detachment of the outer sleeve 4 and the maintenance and replacement of internal devices, the outer sleeve 4 is connected to include a left sleeve 4-1, a connection jack 4-2 is formed on the right end surface of the left sleeve 4-1, a fastening screw 4-3 is installed on the surface of the left sleeve 4-1, a connection jack 4-5 is connected to a threaded hole 4-6 of a connection plug rod 4-4 of the right sleeve 4-4, the outer sleeve 4 includes a right sleeve 4-4, the connection plug rods 4-5 are arranged on the left end surface of the right sleeve 4-4 and the connection jack 4-2 in a one-to-one correspondence manner, and threaded holes 4-6 are formed on the surface of the connection plug rod 4-5 in a one-to-one correspondence manner with the fastening screws 4-3, so that the detachment of the outer sleeve 4 is facilitated and the replacement and maintenance of internal devices are facilitated.

Referring to fig. 1, 5 and 6, in order to prevent the screw rod assembly 7 from being subjected to an excessive torque and prevent the screw rod assembly 7 from being damaged, the gear assembly 5 may include a rotating disk 5-1 and a planetary gear assembly 5-2, the rotating disk 5-1 is located at the left end of the planetary gear assembly 5-2, the planetary gear assembly 5-2 includes a ring gear 5-21, a fixed gear 5-22, a movable gear 5-23 and a connecting shaft 5-24, the fixed gear 5-22 is fixed at the right end of the screw rod assembly 7, the outer ends of the fixed gear 5-22 are engaged with 3 movable gears 5-23, the outer ends of the movable gears 5-23 are engaged with the ring gear 5-21, the ring gear 5-21 is fixedly installed on the left end housing of the motor assembly 3, the connecting shaft 5-24 in the middle of the movable gears 5-23 is fixed on the surface of the rotating disk 5-1, can effectively reduce the torsion force received by the screw rod assembly 7 and improve the using effect of the device.

The working principle is as follows: firstly, when the anti-speed damper assembly is used, the nylon rotating sleeve 2-1 in the anti-speed damper assembly 2 is fixed on a rotating shaft of the motor assembly 3, and generates friction with the nylon friction sleeve 2-3 when the anti-speed damper assembly is static, the motor assembly 3 starts to run, after the rotating speed is higher than a certain rotating speed, the stainless steel balls 2-5 in the nylon rotating sleeve 2-1 start to move outwards, the internal spring 2-4 is compressed through centrifugal force, so that the stainless steel balls 2-5 are separated from the nylon friction sleeve 2-3, the running of the motor assembly 3 is not interfered, after the rotating speed of the motor assembly 3 is reduced to a certain rotating speed, the centrifugal force is reduced, the stainless steel balls 2-5 move backwards, and generate damping after starting to contact with the nylon friction sleeve 2-3, so that the opening and closing processes of the strut are more stable and reliable;

when the appearance sleeve 4 needs to be disassembled for maintenance and replacement of the inside, the fastening screw 4-3 on the surface of the left pipe sleeve 4-1 can be rotated, so that the fastening screw 4-3 can be conveniently separated from the threaded hole 4-6 on the left end connecting inserted rod 4-5 of the right pipe sleeve 4-4, the left end connecting inserted rod 4-5 of the right pipe sleeve 4-4 can be conveniently separated from the connecting inserted hole 4-2 on the surface of the left pipe sleeve 4-1, the disassembly of the appearance sleeve 4 is further facilitated, and the maintenance and replacement of internal devices are facilitated;

when the motor component 3 drives the fixed gears 5-22 to rotate, the fixed gears 5-22 can drive the movable gears 5-23 to rotate on the gear rings 5-21 in a meshed manner, so that the connecting shafts 5-24 in the middle of the 3 movable gears 5-23 drive the rotating disc 5-1 to rotate, and further the rotating disc 5-1 drives the screw rod component 7 to rotate, thereby conveniently and effectively reducing the torsion generated when the screw rod component 7 rotates, and prolonging the service life of the supporting rod.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.