CN220756983U - Precise central shaft connecting piece for seat - Google Patents

Abstract

The utility model relates to the technical field of a seat precise central shaft, in particular to a seat precise central shaft connecting piece, which comprises a motor; the output of motor has installed the output shaft, all run through on output shaft and the seat center pin and seted up the through-hole, the end outside that output shaft and seat center pin are relative is provided with one-level upper guard plate and one-level lower guard plate from top to bottom symmetry, the center pin board is installed to one-level lower guard plate arc inboard, two go up the pin pole and block respectively and establish in two through-holes, and two the pin pole symmetry card respectively establishes in two through-holes down, with a side pin board, no. two side pin boards and center pin board intercrossing set up in draw-in groove and No. two draw-in grooves, make two upper pin poles and two lower pin poles respectively upper and lower symmetry set up in two through-holes respectively, and the cooperation has reached torque transmission's effect, and is better than the accurate center pin junction piece moment of torsion transmission effect of traditional seat, and the structure is more stable, has effectively promoted the life of motor.

Description

Precise central shaft connecting piece for seat

Technical Field

The utility model relates to the technical field of a seat precise central shaft, in particular to a seat precise central shaft connecting piece.

Background

The electric seat uses the motor as east, the positions of the seat are adjusted through the motor transmission device and the executing mechanism, a central shaft is arranged between the backrest and the cushion of the electric seat, the secondary central shaft mainly plays a role in adjusting the angle of the backrest,

in the electric seat backrest adjusting mechanism, an output shaft of a motor is mainly connected with a central shaft, a clamping block is arranged at the output end of the motor, a clamping groove is formed in the end part of the central shaft of the seat, an output section of the motor is clamped into the clamping groove of the central shaft during installation, the central shaft is driven to rotate when the output shaft of the motor rotates, and the backrest adjusting angle is driven when the central shaft rotates.

The torque transmission efficiency of the motor is low due to the structure of the existing seat backrest adjusting mechanism, the motor shaft is not firmly connected with the central shaft of the seat, the motor torque is reduced or damaged due to long-time use, and the installation and the connection are inconvenient when the space between the central shaft and the motor shaft is smaller; accordingly, a precise central shaft connector for a seat has been proposed in view of the above-mentioned problems.

Disclosure of Invention

In order to make up the defects of the prior art, the utility model provides a precise central shaft connecting piece of a seat, aiming at the problems in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a precise central shaft connecting piece of a seat, which comprises a motor; the output of motor installs the output, the output subtend is provided with the seat center pin, all run through on output shaft and the seat center pin and seted up the through-hole, draw-in groove No. one has been seted up to the output shaft tip, no. two draw-in grooves have been seted up to the seat center pin tip, the outside symmetry is provided with one-level upper guard plate and one-level lower guard plate about the tip outside that output shaft and seat center pin are relative, one-level upper guard plate arc inboard symmetry install one-number side pin plate and No. two side pin plates, just one-number side pin plate cooperation card is established in a draw-in groove, no. two side pin plate cooperation cards are established in No. two draw-in grooves, center pin plate cooperation card is established between one-number side pin plate and No. two side pin plates to one-level lower guard plate arc inboard, one-number side upper guard plate and one-level lower guard plate arc side equal symmetry install a fixed plate, and cooperate to have reached the effect with output shaft and seat center pin shaft transmission, promote moment of torsion transmission efficiency.

Preferably, the directions of the first clamping groove and the second clamping groove are the same as the directions of the through holes, the first clamping groove, the second clamping groove and the two through holes are perpendicular to the central line of the output shaft and the central shaft of the seat, the first clamping groove is opposite to the opening of the second clamping groove, the matching achieves the effect of convenient installation, and compared with the traditional precise central shaft connecting piece of the seat, the installation is simpler and more convenient.

Preferably, the first-stage upper guard plate and the first-stage lower guard plate can be spliced into a cylindrical sleeve, the center pin plate is positioned on the inner sides of openings of the first clamping groove and the second clamping groove, the first fixing plates are symmetrically distributed on two sides of the end parts of the output shaft and the central shaft of the seat, the torque transmission effect is achieved through cooperation, and the transmission effect is guaranteed.

Preferably, the rib is all installed to the backplate arc outer wall under one-level on backplate and the one-level, the backplate is gone up to the backplate and backplate is gone up to the one-level and the backplate is gone down to the one-level is symmetrical about being provided with second grade on backplate and second grade down in the backplate mutually outside, the rib groove has all been seted up to second grade on backplate and second grade down the backplate inboard each other, just the rib cooperation card is established in the rib inslot, has cooperated and has reached output shaft and seat center pin connection's effect.

Preferably, two upper pin rods are symmetrically arranged on the inner side of the arc of the secondary upper guard plate, two lower pin rods are symmetrically arranged on the inner side of the arc of the secondary lower guard plate, two upper pin rods are respectively clamped in two through holes, two lower pin rods are respectively and symmetrically clamped in two through holes, two fixing plates are symmetrically arranged on the arc sides of the secondary upper guard plate and the arc side of the secondary lower guard plate, connection firmness is improved through cooperation, and torque transmission efficiency is improved.

Preferably, the two rib setting directions are parallel to the central line of the output shaft, the two upper pin rods and the two lower pin rods are respectively and vertically symmetrically arranged in the two through holes, the second fixing plate is positioned at the outer side of the first fixing plate, holes are formed in the second fixing plate and the first fixing plate in a penetrating mode, fastening bolts are arranged in the holes in a penetrating mode, nuts are arranged at threaded ends of the fastening bolts, the fastening effect is achieved through the cooperation, and the connecting piece is prevented from loosening and falling in the using process.

The utility model has the advantages that:

1. according to the utility model, the primary upper guard plate and the primary lower guard plate are symmetrically arranged outside the end parts of the output shaft and the central shaft of the seat, the first side pin plate, the second side pin plate and the central pin plate are mutually crossed and arranged in the first clamping groove and the second clamping groove, so that the two upper pin rods and the two lower pin rods are respectively and vertically symmetrically arranged in the two through holes, the secondary upper guard plate and the secondary lower guard plate are fastened outside the primary upper guard plate and the primary lower guard plate by screwing nuts, the output shaft is driven to rotate by the motor when the motor drives, the output shaft is matched with the connecting piece to transmit torque to the central shaft of the seat, and the torque transmission effect is achieved by matching, so that compared with the traditional precise central shaft connecting piece of the seat, the torque transmission effect is better, the structure is more stable, and the service life of the motor is effectively prolonged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a first three-dimensional main body structure;

FIG. 2 is an enlarged schematic view of the main body structure of the rotary shaft assembly;

FIG. 3 is an enlarged schematic illustration in partial cutaway of a torque transmission assembly body structure;

FIG. 4 is an enlarged schematic view, partially in section, of the primary connector assembly body structure;

FIG. 5 is an enlarged schematic view of the body structure of the secondary connector assembly;

FIG. 6 is an enlarged schematic view of the main structure of the secondary lower guard plate.

In the figure: 1. a motor; 2. an output shaft; 3. a seat center shaft; 4. a through hole; 5. a first clamping groove; 6. a second clamping groove; 7. a first-stage upper guard board; 8. a first-stage lower guard board; 9. a first side pin plate; 10. a second side pin plate; 11. a center pin plate; 12. a first fixing plate; 13. a rib; 14. a second-stage upper guard plate; 15. a second-stage lower guard board; 16. a second fixing plate; 17. a pin rod is arranged; 18. a lower pin rod; 19. rib grooves; 20. a fastening bolt; 21. and (5) a screw cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a precise central shaft connector for a seat comprises a motor 1; the output end of the motor 1 is provided with an output shaft 2, the opposite end of the output shaft 2 is provided with a seat central shaft 3, through holes 4 are respectively and penetratingly formed in the output shaft 2 and the seat central shaft 3, a first clamping groove 5 is formed in the end part of the output shaft 2, a second clamping groove 6 is formed in the end part of the seat central shaft 3, a first-stage upper guard plate 7 and a first-stage lower guard plate 8 are vertically and symmetrically arranged on the outer side of the end part of the output shaft 2 opposite to the seat central shaft 3, a first-stage side pin plate 9 and a second-stage side pin plate 10 are symmetrically arranged on the inner side of an arc of the first-stage upper guard plate 7, the first-stage side pin plate 9 is matched and clamped in the first clamping groove 5, the second-stage side pin plate 10 is matched and clamped in the second clamping groove 6, a central pin plate 11 is arranged on the inner side of the arc of the first-stage lower guard plate 8, the central plate 11 is matched and clamped between the first-stage side pin plate 9 and the second-stage side pin plate 10, the arc-shaped side edges of the first upper guard plate 7 and the first lower guard plate 8 are symmetrically provided with a first fixing plate 12, the opening directions of the first clamping groove 5 and the second clamping groove 6 are the same as the opening directions of the through holes 4, the first clamping groove 5, the second clamping groove 6 and the two through holes 4 are mutually perpendicular to the central lines of the output shaft 2 and the seat central shaft 3, the opening of the first clamping groove 5 and the opening of the second clamping groove 6 are opposite, the first upper guard plate 7 and the first lower guard plate 8 can be spliced into a cylindrical sleeve, the center pin plate 11 is positioned at the inner sides of the opening of the first clamping groove 5 and the second clamping groove 6, the first fixing plate 12 is symmetrically distributed at two sides of the end parts of the output shaft 2 and the seat central shaft 3, the arc-shaped outer walls of the first upper guard plate 7 and the first lower guard plate 8 are respectively provided with ribs 13, the upper guard plate 14 and the lower guard plate 15 are mutually and vertically symmetrically arranged at the outer sides of the first upper guard plate 7 and the first lower guard plate 8, the rib grooves 19 are formed in the inner sides of the secondary upper guard plate 14 and the secondary lower guard plate 15, the ribs 13 are matched and clamped in the rib grooves 19, two upper pin rods 17 are symmetrically arranged on the inner sides of the arc of the secondary upper guard plate 14, two lower pin rods 18 are symmetrically arranged on the inner sides of the arc of the secondary lower guard plate 15, the upper pin rods 17 are respectively clamped in the two through holes 4, the two lower pin rods 18 are respectively and symmetrically clamped in the two through holes 4, two fixing plates 16 are respectively and symmetrically arranged on the arc side edges of the secondary upper guard plate 14 and the secondary lower guard plate 15, the two ribs 13 are parallel to the central line of the output shaft 2, the two upper pin rods 17 and the two lower pin rods 18 are respectively and vertically symmetrically arranged in the two through holes 4, the two fixing plates 16 are positioned on the outer sides of the first fixing plate 12, holes are respectively and internally provided with fastening bolts 20 in a penetrating mode, and the fastening nuts 20 are respectively provided with screw nuts 21.

In the scheme, a first clamping groove 5 and a second clamping groove 6 are symmetrically arranged at the end parts of an output shaft 2 and a seat central shaft 3 respectively, a first upper guard plate 7 and a first lower guard plate 8 are symmetrically arranged at the outer sides of the end parts of the output shaft 2 and the seat central shaft 3 in a matching manner in installation, a first side pin plate 9, a second side pin plate 10 and a central pin plate 11 are mutually crossed and arranged in the first clamping groove 5 and the second clamping groove 6, a second upper guard plate 14 and a second lower guard plate 15 are symmetrically arranged at the outer sides of the first upper guard plate 7 and the first lower guard plate 8, two upper pin rods 17 and two lower pin rods 18 are respectively arranged in two through holes 4 in a vertically symmetrical manner, the rib grooves 19 formed on the inner sides of the secondary upper guard plate 14 and the secondary lower guard plate 15 are respectively aligned with the ribs 13 formed on the outer sides of the primary upper guard plate 7 and the primary lower guard plate 8, the ribs 13 are clamped in the rib grooves 19, finally, the fastening bolts 20 penetrate through holes formed on the primary fixing plate 12 and the secondary fixing plate 16 at the same time, the secondary upper guard plate 14 and the secondary lower guard plate 15 are fastened on the outer sides of the primary upper guard plate 7 and the primary lower guard plate 8 by screwing the nuts 21, the primary upper guard plate 7 and the primary lower guard plate 8 are fastened on the outer sides of the connecting ends of the output shaft 2 and the seat central shaft 3, the output shaft 2 is driven to rotate by the motor 1, the torque is transmitted to the seat central shaft 3 by the connecting piece by the output shaft 2, the torque transmission effect is achieved by the matching, compared with the torque transmission effect of the connecting piece of the traditional seat precise central shaft, the structure is more stable, and the service life of the motor is effectively prolonged.

In the working principle, due to the low torque transmission efficiency of the motor of the existing seat backrest adjusting mechanism structure, the connection between a motor shaft and a central shaft of the seat is unstable, the motor torque is reduced or damaged after long-time use, and the installation and connection are inconvenient when the space between the central shaft and the motor shaft is smaller, in the scheme, a first clamping groove 5 and a second clamping groove 6 are symmetrically arranged at the end parts of an output shaft 2 and a central shaft 3 respectively, a first upper guard plate 7 and a first lower guard plate 8 are symmetrically arranged at the outer sides of the end parts of the output shaft 2 and the central shaft 3 by matching during installation, a first side pin plate 9, a second side pin plate 10 and a central pin plate 11 are mutually intersected and arranged in the first clamping groove 5 and the second clamping groove 6, a second upper guard plate 14 and a second lower guard plate 15 are symmetrically arranged at the outer sides of the first upper guard plate 7 and the first lower guard plate 8 respectively, and two upper pin rods 17 and two lower pin rods 18 are respectively arranged in two through holes 4 in an up-down symmetrical manner, the rib grooves 19 formed on the inner sides of the secondary upper guard plate 14 and the secondary lower guard plate 15 are respectively aligned with the ribs 13 formed on the outer sides of the primary upper guard plate 7 and the primary lower guard plate 8, the ribs 13 are clamped in the rib grooves 19, finally, the fastening bolts 20 penetrate through holes formed on the primary fixing plate 12 and the secondary fixing plate 16 at the same time, the secondary upper guard plate 14 and the secondary lower guard plate 15 are fastened on the outer sides of the primary upper guard plate 7 and the primary lower guard plate 8 by screwing the nuts 21, the primary upper guard plate 7 and the primary lower guard plate 8 are fastened on the outer sides of the connecting ends of the output shaft 2 and the seat central shaft 3, the output shaft 2 is driven to rotate by the motor 1, the torque is transmitted to the seat central shaft 3 by the connecting piece by the output shaft 2, the torque transmission effect is achieved by the matching, compared with the torque transmission effect of the connecting piece of the traditional seat precise central shaft, the structure is more stable, and the service life of the motor is effectively prolonged.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a accurate center pin connecting piece of seat which characterized in that: comprises a motor (1); output shaft (2) are installed to the output of motor (1), output shaft (2) are provided with seat center pin (3) to the end, through-hole (4) have all been run through on output shaft (2) and seat center pin (3), draw-in groove (5) No. one have been seted up to output shaft (2) tip, draw-in groove (6) No. two have been seted up to seat center pin (3) tip, the tip outside up-down symmetry that output shaft (2) and seat center pin (3) are relative is provided with backplate (7) and backplate (8) under one-level, backplate (7) arc inboard symmetry is installed one number side pin plate (9) and No. two side pin plates (10), just one number side pin plate (9) cooperation card is established in draw-in groove (5), no. two side pin plates (10) cooperation cards are established in No. two draw-in groove (6), backplate (8) arc inboard installs center pin plate (11) under one-level, center plate (11) cooperation card is established and is equipped with backplate (7) under one-level side and is fixed between backplate (8) arc side and backplate (12).

2. The seat precision center shaft connector according to claim 1, wherein: the direction of the first clamping groove (5) and the second clamping groove (6) is the same as the direction of the through holes (4), the first clamping groove (5), the second clamping groove (6) and the two through holes (4) are perpendicular to the central lines of the output shaft (2) and the seat central shaft (3), and the first clamping groove (5) is opposite to the opening of the second clamping groove (6).

3. The seat precision center shaft connector according to claim 1, wherein: the upper protection plate (7) and the lower protection plate (8) of the first level can be spliced into a cylindrical sleeve, the center pin plate (11) is positioned at the inner sides of openings of the first clamping groove (5) and the second clamping groove (6), and the first fixing plate (12) is symmetrically distributed at two sides of the end parts of the output shaft (2) and the central shaft (3) of the seat.

4. A precision center shaft connection for a seat as set forth in claim 3, wherein: the rib (13) is all installed to backplate (7) under one-level and backplate (8) arc outer wall down in one-level, backplate (14) and backplate (15) under second grade are gone up to backplate (14) and backplate (15) under second grade to the symmetry about the one-level outside of backplate (7) and backplate (8) under one-level each other, rib groove (19) have all been seted up to backplate (14) under second grade and backplate (15) inboard each other, just rib (13) cooperation card is established in rib groove (19).

5. The precise central shaft connector of a seat of claim 4, wherein: two upper pin rods (17) are symmetrically arranged on the inner side of the arc of the secondary upper guard plate (14), two lower pin rods (18) are symmetrically arranged on the inner side of the arc of the secondary lower guard plate (15), the two upper pin rods (17) are respectively clamped in the two through holes (4), the two lower pin rods (18) are respectively symmetrically clamped in the two through holes (4), and two fixing plates (16) are respectively symmetrically arranged on the arc sides of the secondary upper guard plate (14) and the arc sides of the secondary lower guard plate (15).

6. The precise central shaft connector of a seat according to claim 5, wherein: the two ribs (13) are arranged in parallel with the central line of the output shaft (2), the two upper pin rods (17) and the two lower pin rods (18) are respectively arranged in the two through holes (4) in an up-down symmetrical mode, the second fixing plate (16) is located on the outer side of the first fixing plate (12), holes are formed in the second fixing plate (16) and the first fixing plate (12) in a penetrating mode, fastening bolts (20) are arranged in the holes in a penetrating mode, and screw caps (21) are arranged at threaded ends of the fastening bolts (20).